JP2015093142A - Drape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent movement of a cord from an unclean region to a clean region in accordance with movement of a medical instrument.SOLUTION: A drape 1 covering a patient 9 at the time of medical treatment includes a drape body 11 and an appliance cover 2. The drape body 11 includes an opening 110 which exposes a surgical site of the patient 9 and an appliance insertion hole 116 to which an ultrasonic probe 81 being a medical instrument connected to the tip of the cord 82 is inserted from an unclean surface 112 side. The appliance cover 2 is fixed over the whole circumference to the periphery of the appliance insertion hole 116 of the drape body 11. The appliance cover 2 includes a cylindrical cord covering part 21 for covering the periphery of the cord 82 at a clean surface 111 side of the drape body 11, and a bag-like appliance covering part 22 for closing the tip of the cord covering part 21 and covering the ultrasonic probe 81. With this configuration, the movement of the cord 82 and the appliance cover 2 from the unclean region to the clean region in accordance with the movement of the ultrasonic probe 81 can be prevented.

Description

  The present invention relates to a drape that covers a patient during surgery.

  Conventionally, when a medical procedure such as a surgical operation is performed in an operating room, the body surface of a patient, which is defined as an unclean area, is covered with a medical drape and the clean area is isolated from the unclean area. ing. The drape is provided with an opening for exposing the patient's surgical site.

  For example, Patent Document 1 discloses a laparoscopic surgical covering. In laparoscopic surgery, a plurality of small holes are made in the patient's abdomen, and various types of medical instruments such as a laparoscopic camera (laparoscope) and an electric knife are inserted into the abdominal cavity. Cords such as an insulation coated electric wire, a tube, and an optical fiber are connected to the medical instrument. Further, when performing an ultrasonic diagnosis in a central venous catheter insertion operation or the like, an ultrasonic probe which is a medical instrument is used. A cord is also connected to the ultrasonic probe.

JP-A-5-146453

  By the way, when using a medical instrument such as an ultrasonic probe, as the medical instrument moves, a part of the cord connected to the medical instrument changes from an unclean area such as on the floor to a clean area on the drape. May move. In some cases, medical instruments and cords may be covered with a sterilized cover, but part of the cord covered by the cover moves from the clean area to the dirty area as the surgical instrument moves, and then returns to the clean area. Sometimes it moves.

  The present invention has been made in view of the above problems, and an object of the present invention is to prevent a cord from moving from an unclean area to a clean area as the medical instrument moves.

  The invention according to claim 1 is a drape that covers a patient during a medical procedure, and an opening that exposes the surgical site of the patient and a medical instrument connected to the tip of the cord are inserted from the unclean side. A drape main body provided with an instrument insertion hole, and a cylindrical cord covering portion fixed around the instrument insertion hole of the drape main body and covering the periphery of the cord on the clean surface side of the drape main body An instrument cover.

  Invention of Claim 2 is the drape of Claim 1, Comprising: The said instrument cover further has a bag-shaped instrument coating | coated part which covers the said medical instrument while obstruct | occluding the front-end | tip of the said code | cord | chord coating | coated part. .

  The invention described in claim 3 is the drape according to claim 2, wherein the medical instrument is an ultrasonic probe of an ultrasonic diagnostic apparatus.

  The invention according to claim 4 is the drape according to claim 3, which is used for the operation of inserting a central venous catheter.

  The invention according to claim 5 is the drape according to any one of claims 1 to 4, wherein a non-penetrating weakening line extending from an edge of the drape body to the opening is provided in the drape body.

  A sixth aspect of the present invention is the drape according to any one of the first to fifth aspects, wherein a part of the instrument cover is folded inward before the medical instrument is inserted into the instrument insertion hole. Accordingly, the length of the instrument cover is shortened, and when the medical instrument is inserted into the instrument cover, the part of the instrument cover is pulled out from the inside.

  The invention according to claim 7 is the drape according to claim 6, wherein before the medical instrument is inserted into the instrument insertion hole, a site in the vicinity of the joint portion of the instrument cover with the drape main body is provided. The drape body protrudes toward the unclean surface, and the tip of the instrument cover protrudes from the unclean surface toward the clean surface.

  The invention according to claim 8 is the drape according to any one of claims 1 to 7, wherein a part of the drape main body is the clean surface before the medical instrument is inserted into the instrument insertion hole. The folded part which is the part of the drape main body includes the instrument insertion hole.

  The invention according to claim 9 is the drape according to claim 8, wherein the folded-back portion is temporarily attached to the other part of the drape main body before the medical instrument is inserted into the instrument insertion hole. Fixed.

  A tenth aspect of the present invention is the drape according to the eighth or ninth aspect, wherein a grip portion that can be gripped is provided on the unclean surface of the folded portion.

  Invention of Claim 11 is the drape of Claim 10, Comprising: Before insertion of the said medical instrument to the said instrument insertion hole, a part of said folding | returning part is a 1st folding line. Folded with the unclean surface facing each other, and further folded with the second fold line facing the clean surface, and the portions on both sides of the second fold line are the knobs.

  A twelfth aspect of the present invention is the drape according to any one of the eighth to eleventh aspects, wherein a label is attached to the unclean surface of the folded portion.

  A thirteenth aspect of the present invention is the drape according to any one of the first to twelfth aspects, wherein the drape is attached to the clean surface of the drape main body, removed from the drape main body during use, and the instrument cover is attached to the drape main body. A medical device or a fixture for fixing to the cord is further provided.

  In the present invention, it is possible to prevent the cord from moving from the unclean area to the clean area as the medical instrument moves.

It is a top view of the drape which concerns on one embodiment. It is a top view of a drape. It is sectional drawing of an instrument cover. It is sectional drawing of an instrument cover. It is a top view of a drape. It is a top view of a drape. It is a top view of a drape.

  FIG. 1 is a plan view showing a medical drape 1 according to an embodiment of the present invention. The medical drape 1 (hereinafter simply referred to as “drape 1”) covers the patient 9 when a medical procedure or examination such as an operation is performed in a medical facility, thereby removing the body surface of the patient 9 that is an unclean area. It is a sheet-like member that isolates the clean area.

  The drape 1 is used for, for example, an insertion operation of a central venous catheter (CVC). In the insertion operation of the central venous catheter, when performing puncture with a catalan needle or the like, the position of the needle in the body is confirmed using an ultrasonic diagnostic apparatus. At this time, the ultrasonic probe of the ultrasonic diagnostic apparatus is pressed near the puncture position of the patient 9, and the position of the needle in the body is displayed on the monitor.

  The drape 1 includes a drape body 11 and an instrument cover 2. The drape main body 11 is a substantially rectangular sheet-like member and covers the body of the patient 9. The instrument cover 2 is fixed to the drape body 11. In the following description, the surface of the drape body 11 opposite to the patient is referred to as “clean surface 111”, and the surface of the drape body 11 on the patient side is referred to as “unclean surface 112”. In FIG. 1, the drape body 11 is drawn with the clean surface 111 facing forward.

  The left-right direction in FIG. 1 corresponds to the left-right direction of the patient in the supine position, and is hereinafter simply referred to as “left-right direction”. The vertical direction in FIG. 1 corresponds to the body axis direction that penetrates the body axis of the patient's head, neck, and trunk. In the following description, the vertical direction in FIG. 1 is referred to as “front-rear direction”, the head side is referred to as “front side”, and the leg side is referred to as “rear side” (the same applies to other drawings).

  The drape main body 11 includes a transparent portion 113 and an opaque portion 114. The transparent portion 113 is a substantially rectangular portion that extends from the edge 117 on the front side (ie, the upper side in FIG. 1) of the drape main body 11 to the rear side. The transparent portion 113 is located at the approximate center in the left-right direction of the drape main body 11. The opaque part 114 is continuously arranged on both the left and right sides and the rear side of the transparent part 113. The transparent portion 113 is arranged so as to overlap with the head 91, the neck 92, and a part of the chest 93 of the patient 9. The opaque portion 114 covers the remaining portion of the chest 93 of the patient 9 and the left and right upper arm portions 94. Note that illustration of the patient 9 is omitted in FIG.

  The transparent portion 113 of the drape body 11 is provided with an opening 110 that exposes the surgical site of the patient 9. The opening 110 is substantially circular, for example. In the example shown in FIG. 1, the surgical site is located on the right shoulder of the patient 9. For this reason, the opening 110 is located on the left side in FIG. 1 from the center of the transparent portion 113 in the left-right direction. The opening 110 may have another shape such as a rectangle or a polygon as necessary.

  The transparent portion 113 of the drape main body 11 is provided with a non-penetrating weakening line 118 extending from the front edge 117 of the drape main body 11 (also the front edge of the transparent portion 113) to the opening 110. The weakening line 118 is, for example, a perforation having a plurality of non-penetrating cuts formed intermittently on the unclean surface 112 of the drape body 11.

  The dirty surface 112 of the drape body 11 is provided with an adhesive layer 115 surrounding the opening 110. The outer shape of the adhesive layer 115 is, for example, a substantially rectangular shape. When the drape 1 is used, the dirty surface 112 of the drape body 11 is stuck around the surgical site of the patient by the adhesive layer 115. This prevents the opening 110 from being displaced from the surgical site.

  The opaque part 114 of the drape main body 11 is provided with an instrument insertion hole 116 into which an ultrasonic probe 81 that is a medical instrument is inserted. The instrument insertion hole 116 is disposed on the right side and the rear side of the transparent portion 113, for example. The instrument insertion hole 116 is, for example, a slit-shaped opening that goes to the left side from the front side toward the rear side.

  The instrument cover 2 is a long and relatively flexible cylindrical member. The instrument cover 2 is formed of, for example, a transparent or translucent resin. The instrument cover 2 is formed of, for example, a sheet-like member that is thinner and more flexible than the drape main body 11. One end (that is, the front end) of the instrument cover 2 is closed, and the other end is opened without being closed. The instrument cover 2 has an opening at the other end (hereinafter referred to as “cover opening 23”) over the instrument insertion hole 116, and extends around the instrument insertion hole 116 of the drape main body 11 over the entire circumference. Fixed. The instrument cover 2 has no opening other than the cover opening 23, and the internal space of the instrument cover 2 is continuous with the space outside the instrument cover 2 through the cover opening 23. The internal space of the instrument cover 2 is a dirty area that continues to the space on the dirty surface 112 side of the drape main body 11 through the instrument insertion hole 116. The instrument cover 2 extends from the instrument insertion hole 116 to the clean surface 111 side of the drape main body 11. The outer surface of the instrument cover 2 is sterilized in advance.

  In the drape 1, the ultrasonic probe 81 connected to the tip of the cord 82 is inserted into the instrument insertion hole 116 from the dirty surface 112 side of the drape body 11, and enters the instrument cover 2 on the clean surface 111 side of the drape body 11. Be contained. The internal space of the instrument cover 2, that is, the space in which the ultrasonic probe 81 and the cord 82 are accommodated is an unclean area as described above, and is isolated from the clean area by the instrument cover 2.

  The instrument cover 2 includes a cord covering part 21 and an instrument covering part 22. The cord covering portion 21 is a cylindrical portion that covers the periphery of the cord 82 on the clean surface 111 side of the drape main body 11. The cord covering portion 21 covers the periphery of a portion of the cord 82 that extends from the instrument insertion hole 116 toward the clean surface 111 side. The instrument covering portion 22 is a bag-like portion that closes the tip of the cord covering portion 21 (that is, the end portion away from the instrument insertion hole 116). In other words, by providing the instrument covering portion 22 at the tip of the cord covering portion 21, the instrument cover 2 has a bag shape having a cover opening 23 that overlaps the instrument insertion hole 116. The instrument covering portion 22 covers the entire ultrasonic probe 81 on the clean surface 111 side of the drape main body 11.

  The ultrasonic probe 81 is a substantially T-shaped medical instrument including a distal end portion 811 and a grip portion 812. The width of the tip portion 811 is larger than the width of the grip portion 812. The grip portion 812 is a substantially cylindrical portion that continues from the distal end portion 811, and is connected to the cord 82. When the ultrasonic probe 81 is used, the grip portion 812 covered with the instrument covering portion 22 is gripped by the operator, and the tip portion 811 also covered with the instrument covering portion 22 is the opening 110 of the drape main body 11. Is pressed against the patient 9 via

  In the example shown in FIG. 1, a ring-shaped fixture 31 having elasticity is wound around the grasping portion 812 of the ultrasonic probe 81 from above the instrument covering portion 22. The fixing tool 31 is preferably wound around the boundary between the grip portion 812 and the tip portion 811 of the ultrasonic probe 81. The instrument cover 2 is fixed to the ultrasonic probe 81 by being tightened by the fixing tool 31. The fixing tool 31 may be wound around the cord 82 from above the cord covering portion 21. Thereby, the instrument cover 2 is fixed to the cord 82.

  In a state before use, the ultrasonic probe 81 and the cord 82 are not inserted into the instrument insertion hole 116, and the drape 1 is folded. When the drape 1 is used, as shown in FIG. 2, the drape body 11 of the drape 1 is approximately deployed and placed on the patient 9 (see FIG. 1). FIG. 2 shows a state before the ultrasonic probe 81 is inserted into the instrument insertion hole 116. In FIG. 2, the drape main body 11 is drawn with the clean surface 111 on the front side except for a folded portion 13 described later.

  As shown in FIG. 2, a part of the drape body 11 is folded at a folding line 131. In the following description, the part of the drape body 11 that has been folded is referred to as “folding part 13”. Specifically, the folded portion 13 is a portion on the right side and the rear side of the opening 110 of the drape body 11, and includes a lower right corner portion 135 in FIG. The fold line 131 is a straight line from the right edge of the drape main body 11 to the rear edge. In other words, the folding line 131 is an inclined straight line that goes to the left as it goes from the front side to the rear side. In FIG. 1, the folding line 131 is indicated by a two-dot chain line. As shown in FIG. 1, the folded line 131 is located between the corner portion 135 and the opening 110 when the folded portion 13 is expanded without being folded.

  As shown in FIGS. 1 and 2, the folded portion 13 is folded while the clean surfaces 111 are opposed to each other on the other portion 14 of the drape main body 11. In the following description, a portion 14 of the drape main body 11 that faces the folded portion 13 is referred to as “opposing portion 14”. The clean surface 111 of the folded portion 13 is provided with a first fastening portion 132 having a substantially rectangular shape. In addition, a substantially rectangular second fastening part 142 is provided on the clean surface 111 of the facing part 14. The first fastening part 132 and the second fastening part 142 are, for example, hook members and loop members of a hook-and-loop fastener. In the example shown in FIG. 1, the first fastening portion 132 is located near the right edge of the drape main body 11. Further, the second fastening part 142 is located in the vicinity of the right edge of the transparent part 113 on the transparent part 113 of the drape main body 11.

  As shown in FIG. 2, the first fastening part 132 overlaps the second fastening part 142 in a state where the folded part 13 is opposed to the facing part 14. In the drape 1, the first fastening portion 132 and the second fastening portion 142 are detachably fastened, whereby the folded portion 13 is temporarily fixed to the facing portion 14. Temporary fixation means that the drape 1 is detachably fixed so that it can be released when it is used.

  A portion of the folded portion 13 in the vicinity of the corner portion 135 is folded while the unclean surface 112 is opposed to the first folded line 136, and is folded while the clean surface 111 is opposed to the second folded line 137. In the following description, the first folding line 136 is referred to as “first corner folding line 136”, and the second folding line 137 is referred to as “second corner folding line 137”. The first corner fold line 136 and the second corner fold line 137 are straight lines from the right edge to the rear edge of the drape main body 11, and are substantially parallel to the fold line 131. In a state in which the drape main body 11 is not folded back by the first corner folding line 136 and the second corner folding line 137 (that is, in a state where the portion near the corner 135 of the folding part 13 is expanded), the second corner folding line 137. Is located between the corner 135 of the drape body 11 and the first corner fold line 136.

  In the drape 1, portions on both sides of the second corner fold line 137 become grippable knobs 138 provided on the unclean surface 112 of the fold 13. Specifically, a portion between the second corner fold line 137 and the first corner fold line 136 and a portion facing the portion between the second corner fold line 137 and the corner 135 are: This is the knob 138 described above.

  A label 139 is affixed to the unclean surface 112 of the knob portion 138 or the unclean surface 112 in the vicinity of the knob portion 138 at a position visible to the assistant. The label 139 displays a text indicating that the surface on which the label 139 is affixed is the unclean surface 112 of the drape main body 11. On the label 139, a symbol, a pattern, or the like may be displayed as front / back identification information for identifying the clean surface 111 and the unclean surface 112 of the drape main body 11 instead of the text. The label 139 may display characters, symbols, or the like indicating that the part to which the label 139 is attached is the knob 138. When the information displayed on the label 139 is the above-described front / back identification information, the label 139 may be affixed to the unclean surface 112 in a portion other than the knob portion 138 in the folded portion 13.

  The instrument insertion hole 116 is located in the folded portion 13. In other words, the folded portion 13 includes the instrument insertion hole 116. The slit-shaped instrument insertion hole 116 is located in the vicinity of the fold line 131 and is approximately parallel to the fold line 131. Therefore, when the drape main body 11 is expanded as shown in FIG. 1, that is, when the folded portion 13 is expanded, the fold line 131 is positioned between the instrument insertion hole 116 and the opening 110 in the vicinity of the instrument insertion hole 116. To do.

  As shown in FIG. 2, before the insertion of the ultrasonic probe 81 into the instrument insertion hole 116, the instrument cover 2 is folded so that the length in the longitudinal direction is shortened, and the unclean surface of the drape main body 11. Located on the 112 side.

  FIG. 3 is a cross-sectional view of the instrument cover 2 before the ultrasonic probe 81 is inserted. In FIG. 3, a part of the drape body 11 is drawn together. In the following description, each part obtained by dividing the instrument cover 2 shown in FIG. 1 into approximately four equal parts in the longitudinal direction is moved from the instrument insertion hole 116 toward the instrument covering portion 22 as shown in FIG. 241 "," second part 242 "," third part 243 "and" fourth part 244 ". A first portion 241 that is a portion in the vicinity of the joint portion of the instrument cover 2 with the drape main body 11 protrudes toward the dirty surface 112 of the drape main body 11. The cylindrical first portion 241 is turned over so that the inner surface faces the outside. As shown in FIG. 1, the inner surface of the instrument cover 2 is a surface facing inward when the instrument cover 2 is stretched without being folded.

  The cylindrical second portion 242 continuous with the first portion 241 is folded inside the first portion 241 with the inner surface facing inward. A cylindrical third portion 243 that is continuous with the second portion 242 is folded inside the second portion 242 with the inner surface facing outward. The bag-like fourth portion 244 continuous with the third portion is folded inside the third portion 243 with the inner surface facing inward. The fourth portion 244 includes the instrument covering portion 22 that is the tip of the instrument cover 2. The fourth portion 244 is convex in the direction from the unclean surface 112 to the clean surface 111. In other words, the direction in which the fourth part 244 extends from the boundary (that is, the fold) between the fourth part 244 and the third part 243 is approximately equal to the direction from the dirty surface 112 toward the clean surface 111.

  In the drape 1, as described above, a part of the instrument cover 2 is nested inside the instrument cover 2 so that the length of the instrument cover 2 is shortened. In the example illustrated in FIG. 3, the distal end of the fourth portion 244 (that is, the distal end of the instrument cover 2) is not inserted into the instrument insertion hole 116 and is positioned on the dirty surface 112 side of the drape main body 11. Further, the boundary between the third part 243 and the fourth part 244 is located at a position farther from the dirty surface 112 of the drape body 11 than the boundary between the first part 241 and the second part 242. That is, a portion in the vicinity of the boundary between the third portion 243 and the fourth portion 244 protrudes from the cylindrical first portion 241 in the direction from the clean surface 111 toward the unclean surface 112.

  When the drape 1 is used, first, as shown in FIG. 2, the patient 9 is covered with the drape 1 in a state where the folded portion 13 is folded. As described above, since the label 139 is affixed to the unclean surface 112 of the folded portion 13, the clean surface 111 and the unclean surface 112 of the drape main body 11 can be easily identified when covering the patient 9.

  Subsequently, the instrument cover 2 folded in a nested manner is held and lifted by an assistant such as a nurse, and the opening 245 of the fourth portion 244 shown in FIG. 3 faces the assistant. From the opening 245, gel is injected into the instrument covering portion 22 which is the tip portion of the fourth portion 244. Next, the ultrasonic probe 81 is inserted into the fourth part 244 from the opening 245 of the fourth part 244 and positioned in the instrument covering portion 22. Then, the ultrasonic probe 81 is pushed out together with the instrument cover 2 toward the instrument insertion hole 116. As a result, as shown in FIG. 4, the distal end portion of the ultrasonic probe 81 is inserted into the instrument insertion hole 116 together with the instrument cover 2, and protrudes from the instrument insertion hole 116 toward the clean surface 111 side of the drape main body 11.

  When a part of the ultrasonic probe 81 protrudes toward the clean surface 111 side of the drape main body 11, the knob 138 of the drape main body 11 shown in FIG. As described above, since the label 139 is affixed to the knob portion 138 or a portion near the knob portion 138, the assistant can easily recognize the position of the knob portion 138. Subsequently, when the picking portion 138 is lifted by an assistant, the first fastening portion 132 provided in the folded portion 13 is peeled off from the second fastening portion 142 provided in the facing portion 14, and the folded portion 13 is separated from the facing portion 14. And the ultrasonic probe 81 which protrudes in the clean surface 111 side of the drape main body 11 from the instrument insertion hole 116 appears in front of a practitioner by expanding the folding | returning part 13 as shown in FIG.

  Next, the ultrasonic probe 81 is grasped together with the instrument cover 2 by the practitioner and pulled out from the instrument insertion hole 116 to the clean surface 111 side of the drape main body 11. At this time, a portion (see FIG. 4) of the instrument cover 2 folded in a nested manner is pulled out from the inside of the instrument cover 2 and extends toward the clean surface 111 side of the drape main body 11 as shown in FIG. Further, the cord 82 connected to the ultrasonic probe 81 is also drawn out from the instrument insertion hole 116 toward the clean surface 111 side inside the instrument cover 2.

  In the vicinity of the instrument insertion hole 116, the above-described fixture 31 is detachably attached to the clean surface 111 of the drape main body 11. In the example shown in FIG. 6, the two fixtures 31 are attached to the fixture attachment portion 32 fixed to the clean surface 111 of the drape main body 11. The fixture attachment portion 32 includes a belt-like attachment main body 34 that is folded in two along a folding line 33, and attachment fastening portions 35 that are provided at both ends of the attachment main body 34. Of the attachment main body 34, one part of the fold line 33 is directly fixed to the clean surface 111 of the drape main body 11, and the other part is not directly fixed to the drape main body 11. One of the two attachment fastening portions 35 is a hook member of a hook-and-loop fastener, and the other is a loop member of the hook-and-loop fastener. Each fixing tool 31 is fixed to the fixing tool mounting portion 32 by disposing a part of each fixing tool 31 between the portions on both sides of the bending line 33 of the mounting main body portion 34 and fixing the two mounting fixing portions 35. It is attached to the clean surface 111 of the drape body 11 via

  As described above, when the ultrasonic probe 81 is pulled out to the clean surface 111 side of the drape body 11, the two attachment fastening portions 35 are peeled off, and one fixture 31 is removed from the fixture attachment portion 32 and the drape body 11. Removed. Then, as shown in FIG. 1, the fixing tool 31 is wound around the grip portion 812 of the ultrasonic probe 81 from the device covering portion 22 of the device cover 2. As described above, the fixing tool 31 is preferably wound around the boundary between the grip portion 812 and the tip portion 811 of the ultrasonic probe 81. Thereby, the instrument cover 2 is fixed to the ultrasonic probe 81.

  As described above, in the drape 1, the instrument insertion hole 116 is provided in the drape main body 11, and the ultrasonic probe 81 connected to the tip of the cord 82 is inserted into the instrument insertion hole 116 from the dirty surface 112 side. . The instrument cover 2 has a cylindrical cord covering portion 21 that is fixed to the drape main body 11 around the instrument insertion hole 116 and covers the periphery of the cord 82 on the clean surface 111 side of the drape main body 11. Thus, since the cord 82 is covered with the cord covering portion 21 of the instrument cover 2, when the cord 82 moves as the ultrasonic probe 81 moves, the cord 82 is exposed from the instrument cover 2 in the clean area. Can be prevented. In addition, since the instrument cover 2 is fixed to the drape main body 11, it is possible to prevent the instrument cover 2 from moving to an unclean area as the ultrasonic probe 81 moves.

  Specifically, when the ultrasonic probe 81 is returned from the vicinity of the opening 110 of the drape main body 11 to the vicinity of the instrument insertion hole 116, a part of the cord 82 located on the clean surface 111 side of the drape main body 11 is It moves to the dirty surface 112 side of the drape main body 11 through the instrument insertion hole 116. Further, the cord covering portion 21 of the instrument cover 2 is shortened along the cord 82 while forming a wrinkle on the clean surface 111 of the drape main body 11. As a result, it is possible to prevent the cord 82 and the instrument cover 2 from moving from the dirty area to the clean area as the ultrasonic probe 81 moves.

  In addition to the cord covering portion 21, the instrument cover 2 includes a bag-like instrument covering portion 22 that closes the tip of the cord covering portion 21 and covers the ultrasonic probe 81. For this reason, the internal space of the instrument cover 2 which is an unclean area | region can be isolated from a clean area | region. Thereby, it can prevent that a clean area | region and an unclean area | region continue. Further, the ultrasonic probe 81 and the cord 82 housed in the instrument cover 2 can be isolated from the clean area. Such a structure of the drape 1 is a medical procedure or examination in which a medical instrument connected to a cord is relatively moved, for example, a medical procedure using an ultrasonic probe 81 (such as a central venous catheter insertion operation). Especially suitable for inspection.

  In the drape 1, the length of the instrument cover 2 is shortened by folding a part of the instrument cover 2 inward before the ultrasonic probe 81 is inserted into the instrument insertion hole 116, and the ultrasonic probe 81 is When inserted into the cover 2, the part of the instrument cover 2 is pulled out from the inside. Thereby, the insertion of the ultrasonic probe 81 into the long instrument cover 2 can be facilitated. Further, it is possible to prevent the instrument cover 2 from hanging down from the drape main body 11 for a long time before the drape 1 is used. As a result, handling such as folding of the drape body 11 can be facilitated.

  As described above, before the ultrasonic probe 81 is inserted into the instrument insertion hole 116, the portion in the vicinity of the joint portion of the instrument cover 2 with the drape body 11 protrudes toward the dirty surface 112 side of the drape body 11, and the instrument cover 2. The tip of the projection is convex in the direction from the unclean surface 112 to the clean surface 111. Thereby, the instrument cover 2 can be easily gripped on the dirty surface 112 side of the drape main body 11 when the ultrasonic probe 81 is inserted into the instrument cover 2. Further, the insertion of the ultrasonic probe 81 into the instrument cover 2 can be made easier.

  In the drape 1, before the ultrasonic probe 81 is inserted into the instrument insertion hole 116, the drape main body 11 is folded back with the clean surface 111 facing each other, and the folded portion 13 that is the folded portion of the drape main body 11 is the instrument. An insertion hole 116 is included. Thereby, on the drape main body 11, the position where the ultrasonic probe 81 is inserted can be easily grasped. As a result, the insertion of the ultrasonic probe 81 into the instrument cover 2 can be further facilitated.

  Further, the folded portion 13 is temporarily fixed to the facing portion 14 of the drape main body 11 before the ultrasonic probe 81 is inserted into the instrument insertion hole 116. Thereby, the state which turned up the folding | returning part 13 on the opposing part 14 can be maintained easily. As a result, the insertion of the ultrasonic probe 81 into the instrument cover 2 can be further facilitated.

  As described above, the grip surface 138 is provided on the unclean surface 112 of the folded portion 13. When the folded portion 13 is separated from the facing portion 14, the knob portion 138 is gripped by an assistant and the folded portion 13 is lifted. Thereby, the folding | returning part 13 can be easily spaced apart from the opposing part 14, and can be expanded, without an assistant touching the clean surface 111 of the drape main body 11. FIG. Further, when the ultrasonic probe 81 is inserted into the instrument cover 2, the folding part 13 and the movement of the instrument insertion hole 116 provided in the folding part 13 are held by holding the knob 138 as necessary. Can be limited. As a result, the insertion of the ultrasonic probe 81 into the instrument cover 2 can be further facilitated.

  In the drape 1, before the ultrasonic probe 81 is inserted into the instrument insertion hole 116, a part of the folded portion 13 is folded at the first corner folded line 136 and the second corner folded line 137, and the drape body 11, the portions on both sides of the second corner fold line 137 are the above-described knob portions 138. In this manner, the knob portion 138 can be easily formed by folding a part of the folded portion 13. Moreover, the manufacturing cost of the drape 1 can be reduced compared with the case where a knob | pick part is formed by joining a member different from the drape main body 11 to the drape main body 11.

  As described above, in the drape 1, the fixture 31 is attached to the clean surface 111 of the drape main body 11, and is removed from the drape main body 11 during use and the instrument cover 2 is fixed to the ultrasonic probe 81 or the cord 82. Thereby, it can suppress that the instrument cover 2 slip | deviates from the ultrasonic probe 81 or the code | cord | chord 82. FIG. Further, the fixing tool 31 is attached to the vicinity of the instrument insertion hole 116 of the drape main body 11. Thereby, the instrument cover 2 can be quickly fixed to the ultrasonic probe 81 immediately after being pulled out from the instrument insertion hole 116 to the clean surface 111 side.

  In the drape body 11, a weakening line 118 extending from the front edge 117 to the opening 110 is provided. Thus, even when the catheter or the like extends outward from the surgical field, the drape 1 is easily removed from the patient 9 by tearing the drape body 11 from the edge 117 to the opening 110 at the weakening line 118. be able to. Moreover, since the weakening line 118 is non-penetrating, it is possible to prevent the space on the clean surface 111 side and the space on the dirty surface 112 side of the drape main body 11 from continuing through the weakening line 118. The weakening line 118 only needs to be provided from any edge of the drape main body 11 to the opening 110. The weakening line 118 may have various structures other than the perforation.

  In the drape 1, various changes are possible.

  The 1st fastening part 132 provided in the folding | returning part 13 and the 2nd fastening part 142 provided in the opposing part 14 are not limited to a hook-and-loop fastener, Various structures (for example, adhesive sheet) may be sufficient. . The same applies to the two attachment fastening portions 35 of the fixture attachment portion 32.

  In the example shown in FIG. 3, the tip of the instrument cover 2 before the ultrasonic probe 81 is inserted is located on the dirty surface 112 side of the drape main body 11, but the tip is inserted into the instrument insertion hole 116 and draped. It may be located on the clean surface 111 side of the main body 11. Even in this case, the insertion of the ultrasonic probe 81 into the instrument cover 2 can be facilitated because the tip of the instrument cover 2 is convex in the direction from the unclean surface 112 toward the clean surface 111. .

  In the example shown in FIG. 3, a part of the instrument cover 2 is folded inside the instrument cover 2, and the instrument cover 2 has a four-stage nesting shape (that is, the side wall portion has a four-layer nesting shape) The shape of the instrument cover 2 before the ultrasonic probe 81 is inserted is not limited to the shape shown in FIG. For example, when a part of the instrument cover 2 is folded inward, the folded instrument cover 2 may be an even number of nested shapes. Moreover, the instrument cover 2 may be folded in various ways to shorten the length before use.

  In the folded portion 13, the first corner folded line 136 may be positioned between the corner 135 and the second corner folded line 137 in a state where the portion near the corner 135 is expanded. Also in this case, as shown in FIG. 7, the portions on both sides of the second corner fold line 137 become grippable knob portions 138 provided on the unclean surface 112 of the fold portion 13. Specifically, the portion between the second corner fold line 137 and the first corner fold line 136 and the portion on the opposite side of the second corner fold line 137 from the first corner fold line 136 The opposing part is the above-mentioned knob part 138.

  Further, the knob portion 138 is not necessarily formed by folding a part of the folded portion 13 of the drape main body 11. For example, the ring-shaped knob may be joined to the unclean surface 112 of the folded portion 13.

  The fixture 31 for fixing the instrument cover 2 to the ultrasonic probe 81 or the cord 82 is not necessarily limited to a ring shape having contractility, and the fixture 31 having various shapes and structures (for example, an adhesive tape). May be used to fix the instrument cover 2. Further, the attachment position of the fixing tool 31 to the drape main body 11 is not necessarily near the instrument insertion hole 116 and may be variously changed.

  The drape 1 may be used for various medical procedures or examinations other than a central venous catheter insertion operation. Further, in the above embodiment, the medical instrument inserted into the instrument insertion hole 116 is the ultrasonic probe 81 of the ultrasonic diagnostic apparatus, but various medical instruments other than the ultrasonic probe 81 may be the drape 1. It may be inserted into the instrument insertion hole 116. For example, when the drape 1 is used for laparoscopic surgery, a laparoscopic camera, which is one of medical instruments used in laparoscopic surgery, is inserted into the instrument insertion hole 116 and the instrument cover 2. In this case, the instrument cover 2 is not provided at the tip of the instrument cover 2, and the tip of the cord cover 21 is open. The abdominal camera inserted into the instrument cover 2 is pulled out from the opening at the tip of the instrument cover 2 and inserted into the abdominal cavity, and the cord connected to the abdominal camera is located on the clean surface 111 side of the drape main body 11. Covered by the instrument cover 2.

  The configurations in the above-described embodiments and modifications may be combined as appropriate as long as they do not contradict each other.

DESCRIPTION OF SYMBOLS 1 Drape 2 Instrument cover 9 Patient 11 Drape main body 13 Folding part 14 Opposite part 21 Code coating part 22 Instrument coating part 31 Fixing tool 81 Ultrasonic probe 82 Code 110 Opening 111 Clean surface 112 Unclean surface 116 Instrument insertion hole 117 Edge 118 Weakening line 136 First Corner Fold Line 137 Second Corner Fold Line 138 Knob 139 Label

Claims (13)

A drape covering the patient during a medical procedure,
A drape body provided with an opening for exposing the surgical site of the patient, and an instrument insertion hole into which a medical instrument connected to the tip of the cord is inserted from the unclean side
An instrument cover having a cylindrical cord covering portion fixed around the instrument insertion hole of the drape body and covering the circumference of the cord on the clean surface side of the drape body;
A drape characterized by comprising. A drape according to claim 1, wherein
The drape is characterized in that the instrument cover further includes a bag-shaped instrument covering portion that closes the tip of the cord covering portion and covers the medical instrument. A drape according to claim 2, wherein
The drape according to claim 1, wherein the medical instrument is an ultrasonic probe of an ultrasonic diagnostic apparatus. A drape according to claim 3, wherein
A drape characterized by being used for central venous catheter insertion surgery. A drape according to any of claims 1 to 4,
A drape having a non-penetrating weakening line extending from an edge of the drape body to the opening is provided in the drape body. A drape according to any of claims 1 to 5,
Before insertion of the medical instrument into the instrument insertion hole, the length of the instrument cover is shortened by folding a part of the instrument cover inside,
When the medical instrument is inserted into the instrument cover, the part of the instrument cover is pulled out from the inside. A drape according to claim 6, wherein
Prior to insertion of the medical instrument into the instrument insertion hole, a part of the instrument cover near the junction with the drape body projects to the dirty surface side of the drape body, and the tip of the instrument cover is The drape is convex in a direction from the unclean surface to the clean surface. A drape according to any of claims 1 to 7,
Before insertion of the medical instrument into the instrument insertion hole, a part of the drape body is folded back on another part with the clean surface facing the folded part, and the folded part that is the part of the drape body Including the instrument insertion hole. A drape according to claim 8, wherein
The drape is characterized in that the folded portion is temporarily fixed to the other part of the drape body before the medical instrument is inserted into the instrument insertion hole. A drape according to claim 8 or 9, wherein
A drape characterized in that a gripping portion that can be gripped is provided on the unclean surface of the folded portion. A drape according to claim 10, wherein
Before the medical instrument is inserted into the instrument insertion hole, a part of the folded portion is folded back with the unclean surface facing the first folding line, and further, the second folding line The drape is folded while facing a clean surface, and the portions on both sides of the second fold line are the knobs. A drape according to any of claims 8 to 11, comprising
A drape, wherein a label is affixed to the unclean surface of the folded portion. A drape according to any of claims 1 to 12,
A drape attached to the clean surface of the drape body, further comprising a fixture that is removed from the drape body during use and that fixes the instrument cover to the medical instrument or the cord.

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