CN113940744A - Intramedullary nail and blocking nail aiming device - Google Patents
Intramedullary nail and blocking nail aiming device Download PDFInfo
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- CN113940744A CN113940744A CN202111233061.9A CN202111233061A CN113940744A CN 113940744 A CN113940744 A CN 113940744A CN 202111233061 A CN202111233061 A CN 202111233061A CN 113940744 A CN113940744 A CN 113940744A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/25—User interfaces for surgical systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B2090/364—Correlation of different images or relation of image positions in respect to the body
- A61B2090/365—Correlation of different images or relation of image positions in respect to the body augmented reality, i.e. correlating a live optical image with another image
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Abstract
The invention discloses an intramedullary nail and a nail-blocking aiming device, in particular to the field of medical instruments, which comprises the intramedullary nail, wherein a cross rod parallel to the intramedullary nail is arranged above the intramedullary nail, and the front end of the cross rod is provided with an aiming mechanism; aiming mechanism includes first slip track and second slip track, first slip track one end is fixed to be equipped with first connecting block, first connecting block is fixed to be established in horizontal pole one end, first slip track other end is fixed to be equipped with the second connecting block, second slip track is established in first slip track one side, second slip track one end is fixed to be equipped with the third connecting block, the third connecting block is fixed to be established in the horizontal pole outer end, first slip track and second slip track lateral surface are equipped with a support fixation roller jointly. According to the invention, the blocking nail is driven on the intramedullary nail through the concentric circle theory, so that the bone nailing is more accurate, the patient is safer, meanwhile, the fixing nail can be driven on the intramedullary nail, and the application range is wide.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an intramedullary nail and a nail-blocking aiming device.
Background
An intramedullary nail belongs to an orthopedic internal fixation instrument in medical instruments. The structure is provided with an intramedullary nail rod, a near-end locking screw hole is arranged at the near end of the intramedullary nail rod, and a pressure reduction plane is arranged on the surface of the intramedullary nail rod. More than one strip-shaped decompression plane is arranged on the surface of the intramedullary nail rod, and the decompression plane can extend from the proximal end of the intramedullary nail rod to the distal end of the intramedullary nail rod. The proximal end of the intramedullary nail rod is provided with a locking screw rod positioning screw hole and a connecting sleeve positioning groove. The previous bone nailing method is used for blind nailing, or a support frame of a drilling machine is enabled to be 180 degrees absolutely parallel to an intramedullary nail, the drilling machine can slide on the support frame randomly to stop and nail the bone, so that the accuracy of some bone nailing is improved, but an aiming system is still not perfect, and the bone nailing error still occurs.
Disclosure of Invention
Therefore, the intramedullary nail and the aiming device for the blocking nail are provided, the blocking nail is driven on the intramedullary nail through the concentric circle theory, the bone nailing is more accurate, the patient is safer, meanwhile, the fixing nail can be driven on the intramedullary nail, and the application range is wide.
In order to achieve the above purpose, the invention provides the following technical scheme: an intramedullary nail and a nail-blocking aiming device comprise the intramedullary nail, wherein the intramedullary nail consists of a straight section and an arc-shaped section, a cross rod parallel to the intramedullary nail is arranged above the intramedullary nail, one end of the cross rod is fixedly connected with one end of the arc-shaped section of the intramedullary nail through a connecting fixed rod, and the front end of the cross rod is provided with an aiming mechanism;
the aiming mechanism comprises a first sliding track and a second sliding track, wherein a first connecting block is fixedly arranged at one end of the first sliding track, the first connecting block is fixedly arranged at one end of a cross rod, a second connecting block is fixedly arranged at the other end of the first sliding track, the second sliding track is arranged at one side of the first sliding track, a third connecting block is fixedly arranged at one end of the second sliding track, the third connecting block is fixedly arranged at the outer end of the cross rod, a fourth connecting block is fixedly arranged at the other end of the second sliding track, the second connecting block and the fourth connecting block are both fixedly connected with an intramedullary nail through a second iron nail, a first iron nail penetrates through the first connecting block, the first connecting block is fixedly connected with the intramedullary nail and the cross rod through the first iron nail, a supporting and fixing roller is jointly arranged on the outer side surface of the first sliding track and the second sliding track, and the supporting and fixing roller is arranged in front of the cross rod, the supporting and fixing roller is parallel to the intramedullary nail and the cross rod, the diameter of the supporting and fixing roller is the same as that of the intramedullary nail, the first sliding track and the second sliding track are both quarter circular arcs, and the circle centers of the first sliding track and the second sliding track and the circle center of a straight section of the intramedullary nail are in the same horizontal line.
Further, arc spout has all been seted up to first slip track and the orbital lateral surface of second slip, support the fixed roller and be close to fixed two sliders that are equipped with in one side of first slip track and second slip track, and two sliders slide respectively and establish inside the arc spout, support the fixed roller and pass through slider and first slip track and the orbital arc spout sliding fit of second slip.
Further, through holes are formed in the second connecting block and the fourth connecting block and matched with the second iron nails.
Further, the connecting fixing rod comprises an integrally formed vertical rod, a first fixing sleeve and a second fixing sleeve, the first fixing sleeve and the second fixing sleeve are respectively arranged at two ends of the vertical rod, the first fixing sleeve is fixedly connected with the other end of the transverse rod, and the second fixing sleeve is fixedly connected with one end of the arc-shaped section of the intramedullary nail.
Further, the horizontal pole is equipped with the sliding sleeve with supporting the fixed roller outer end, the sliding sleeve can slide and support the fixed roller and lock with the horizontal pole and support the fixed roller through fastening bolt respectively along the horizontal pole, the fixed holding ring that is equipped with in sliding sleeve outer end, the sliding sleeve on the horizontal pole is established between first connecting block and third connecting block, the sliding sleeve on the support fixed roller is established between first slip track and second slip track.
Further, the first connecting block and the second connecting block are integrally formed with the first sliding rail, and the third connecting block and the fourth connecting block are integrally formed with the second sliding rail.
The invention also comprises a virtual reality system, wherein the virtual reality system consists of a computer, a helmet display and a collecting camera and comprises the following operation steps:
the method comprises the following steps: the acquisition camera is positioned above the operating table, the angle can be adjusted to shoot a patient operation part to acquire a dynamic image, and the acquired dynamic image is transmitted to the computer;
step two: the computer analyzes 3D imaging through modeling, then the computer obtains a virtual imaging image of the intramedullary nail in the bone, displays all structural characteristics of the intramedullary nail, marks the centers of circles of the intramedullary nail, the first sliding track and the second sliding track and the positions of key points supporting the fixed rollers and the sliding sleeve through the computer, and displays a three-dimensional image;
step three: the computer transmits the image to the helmet display, and the medical staff wears the helmet display and drives the blocking nail of the intramedullary nail according to the concentric circle theory.
The invention has the following advantages:
1. the intramedullary nail of the invention is penetrated in a bone, and then a first iron nail and a second iron nail are driven into a first sliding track and a second sliding track to play a role of fixing the first sliding track and the second sliding track, a sliding block on a supporting and fixing roller can slide along arc-shaped sliding grooves on the first sliding track and the second sliding track, and because the circle centers of the first sliding track and the second sliding track and the circle center of the straight section of the intramedullary nail are positioned on the same horizontal line, therefore, the circle center of the moving track of the supporting and fixing roller is also on the horizontal line, the circle formed by the moving track of the supporting and fixing roller and the excircle of the intramedullary nail form a concentric circle, the tangent line of the excircle of the intramedullary nail is made by the positioning ring by utilizing the concentric circle theory, the blocking nail is arranged on the intramedullary nail through the tangent line, so that the bone nailing is more accurate, the patient is safer, meanwhile, the fixing nail can be arranged on the intramedullary nail, and the application range is wide.
2. According to the invention, the supporting and fixing rollers can slide on the first sliding track and the second sliding track according to different positions and angles of the patient nail bones, and are always parallel to the intramedullary nail, and the circles formed by the moving tracks of the supporting and fixing rollers and the excircle of the intramedullary nail are always concentric, so that the precision is high.
3. The invention can also utilize a virtual reality system to perform the operation, so that the hands of the doctor are quicker, the operation of the doctor with insufficient experience is more convenient and simpler, the operation efficiency is favorably improved, and the operation process is more intelligent and accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic structural view of a first sliding rail according to the present invention;
FIG. 3 is a schematic structural view of a second sliding track according to the present invention;
FIG. 4 is a schematic view of the connecting rod structure according to the present invention;
in the figure: the intramedullary nail comprises an intramedullary nail 1, a cross rod 2, a supporting and fixing roller 3, a first iron nail 4, a sliding sleeve 5, a first sliding track 6, a second iron nail 7, a connecting and fixing rod 8, a second sliding track 9, a first connecting block 10, a second connecting block 11, a third connecting block 12, a fourth connecting block 13, a positioning ring 14, a vertical rod 81, a first fixing sleeve 82 and a second fixing sleeve 83.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the invention provides an intramedullary nail and a nail-blocking aiming device, which comprises an intramedullary nail 1, wherein the intramedullary nail 1 consists of a straight section and an arc-shaped section, a cross rod 2 parallel to the intramedullary nail 1 is arranged above the intramedullary nail 1, one end of the cross rod 2 is fixedly connected with one end of the arc-shaped section of the intramedullary nail 1 through a connecting fixing rod 8, the connecting fixing rod 8 comprises a vertical rod 81, a first fixing sleeve 82 and a second fixing sleeve 83 which are integrally formed, the first fixing sleeve 82 and the second fixing sleeve 83 are respectively arranged at two ends of the vertical rod 81, the first fixing sleeve 82 is fixedly connected with the other end of the cross rod 2, and the second fixing sleeve 83 is fixedly connected with one end of the arc-shaped section of the intramedullary nail 1.
The front end of the cross rod 2 is provided with an aiming mechanism, the aiming mechanism comprises a first sliding track 6 and a second sliding track 9, one end of the first sliding track 6 is fixedly provided with a first connecting block 10, the first connecting block 10 is fixedly arranged at one end of the cross rod 2, the other end of the first sliding track 6 is fixedly provided with a second connecting block 11, the first connecting block 10 and the second connecting block 11 are integrally formed with the first sliding track 6, the second sliding track 9 is arranged at one side of the first sliding track 6, one end of the second sliding track 9 is fixedly provided with a third connecting block 12, the third connecting block 12 is fixedly arranged at the outer end of the cross rod 2, the other end of the second sliding track 9 is fixedly provided with a fourth connecting block 13, the third connecting block 12 and the fourth connecting block 13 are integrally formed with the second sliding track 9, and the second connecting block 11 and the fourth connecting block 13 are both fixedly connected with the intramedullary nail 1 through a second iron nail 7, the second connecting block 11 and the fourth connecting block 13 are both provided with through holes, the through holes are matched with the second iron nails 7, the second iron nails 7 play a role of fixing the first sliding track 6 and the second sliding track 9, the first connecting block 10 is provided with the first iron nails 4 in a penetrating way, the first connecting block 10 is fixedly connected with the intramedullary nail 1 and the cross rod 2 through the first iron nails 4, the first iron nails 4 play a role of fixing the first sliding track 6, the outer side surfaces of the first sliding track 6 and the second sliding track 9 are both provided with a supporting and fixing roller 3, the outer side surfaces of the first sliding track 6 and the second sliding track 9 are both provided with arc-shaped chutes, one side of the supporting and fixing roller 3 close to the first sliding track 6 and the second sliding track 9 is fixedly provided with two sliding blocks, the two sliding blocks are respectively arranged in the arc-shaped chutes in a sliding way, the supporting and fixing roller 3 is in sliding fit with the arc-shaped chutes of the first sliding track 6 and the second sliding track 9 through the sliding blocks, so that the supporting and fixing roller 3 can slide along the first sliding track 6 and the second sliding track 9, the supporting and fixing roller 3 is arranged in front of the cross rod 2, the supporting and fixing roller 3 is parallel to the intramedullary nail 1 and the cross rod 2, the supporting and fixing roller 3 has the same diameter as the intramedullary nail 1, the first sliding track 6 and the second sliding track 9 are quarter circular arcs, the circle centers of the first sliding track 6 and the second sliding track 9 and the circle center of a straight section of the intramedullary nail 1 are in the same horizontal line, the cross rod 2 and the outer end of the supporting and fixing roller 3 are provided with sliding sleeves 5, the sliding sleeves 5 can slide along the cross rod 2 and the supporting and fixing roller 3 and are locked with the cross rod 2 and the supporting and fixing roller 3 through fastening bolts respectively, the outer end of the sliding sleeves 5 is fixedly provided with a positioning ring 14, the sliding sleeves 5 on the cross rod 2 are arranged between the first connecting block 10 and the third connecting block 12, the sliding sleeve 5 on the supporting and fixing roller 3 is arranged between the first sliding track 6 and the second sliding track 9.
The implementation scenario is specifically as follows: the intramedullary nail 1 is penetrated in a bone, then a first iron nail 4 and a second iron nail 7 are driven into the first sliding track 6 and the second sliding track 9 to play a role of fixing the first sliding track 6 and the second sliding track 9, a sliding block on the supporting and fixing roller 3 can slide along arc-shaped sliding grooves on the first sliding track 6 and the second sliding track 9, the circle centers of the first sliding track 6 and the second sliding track 9 and the straight section of the intramedullary nail 1 are positioned on the same horizontal line, so the circle center of the moving track of the supporting and fixing roller 3 is also positioned on the horizontal line, a circle formed by the moving track of the supporting and fixing roller 3 and the excircle of the intramedullary nail 1 form a concentric circle, the concentric circle theory is used for making a tangent line of the excircle of the intramedullary nail 1 through a positioning ring 14, namely, the tangent line is driven to the intramedullary nail 1 through the tangent line to form a blocking nail, the bone nail is more accurate, a patient is safer, and simultaneously the fixing nail can be driven to the intramedullary nail 1, the application range is wide;
according to the position and the angle of a patient nail bone, the supporting and fixing roller 3 can slide on the first sliding rail 6 and the second sliding rail 9 and is always parallel to the intramedullary nail 1, and the circle formed by the moving track of the supporting and fixing roller 3 and the excircle of the intramedullary nail 1 are always concentric, so that the precision is high.
Example 2
For the operation of inexperienced doctors, the invention also comprises a virtual reality system, wherein the virtual reality system consists of a computer, a helmet display and a collecting camera and comprises the following operation steps:
the method comprises the following steps: the acquisition camera is positioned above the operating table, the angle can be adjusted to shoot a patient operation part to acquire a dynamic image, and the acquired dynamic image is transmitted to the computer;
step two: the computer analyzes 3D imaging through modeling, then the computer obtains a virtual imaging image of the intramedullary nail 1 in a bone, displays all structural characteristics of the intramedullary nail 1, marks the circle centers of the intramedullary nail 1, the first sliding track 6 and the second sliding track 9 and the positions of key points of the supporting fixed roller 3 and the sliding sleeve 5 through the computer, and displays a three-dimensional image;
step three: the computer transmits the image to the helmet display, and the medical personnel wear the helmet display. The blocking nail of the intramedullary nail 1 is driven by the concentric theory of embodiment 1 described above.
The invention can also utilize a virtual reality system to perform the operation, so that the hands of the doctor are quicker, the operation of the doctor with insufficient experience is more convenient and simpler, the operation efficiency is favorably improved, and the operation process is more intelligent and accurate.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. An intramedullary nail and blocking nail aiming device comprises an intramedullary nail (1), and is characterized in that: the intramedullary nail (1) consists of a straight section and an arc section, a cross rod (2) parallel to the intramedullary nail (1) is arranged above the intramedullary nail (1), one end of the cross rod (2) is fixedly connected with one end of the arc section of the intramedullary nail (1) through a connecting fixing rod (8), and the front end of the cross rod (2) is provided with a sighting mechanism;
the aiming mechanism comprises a first sliding track (6) and a second sliding track (9), wherein one end of the first sliding track (6) is fixedly provided with a first connecting block (10), the first connecting block (10) is fixedly arranged at one end of a cross rod (2), the other end of the first sliding track (6) is fixedly provided with a second connecting block (11), the second sliding track (9) is arranged at one side of the first sliding track (6), one end of the second sliding track (9) is fixedly provided with a third connecting block (12), the third connecting block (12) is fixedly arranged at the outer end of the cross rod (2), the other end of the second sliding track (9) is fixedly provided with a fourth connecting block (13), the second connecting block (11) and the fourth connecting block (13) are fixedly connected with an intramedullary nail (1) through a second iron nail (7), and a first iron nail (4) penetrates through the first connecting block (10), first connecting block (10) are through first iron nail (4) and intramedullary nail (1) and horizontal pole (2) fixed connection, first slip track (6) and second slip track (9) lateral surface are equipped with one jointly and support fixed roller (3), support fixed roller (3) and establish in horizontal pole (2) the place ahead, it is parallel to each other with intramedullary nail (1) and horizontal pole (2) to support fixed roller (3), it is the same with intramedullary nail (1) diameter to support fixed roller (3), first slip track (6) and second slip track (9) are the quarter circular arc, the centre of a circle of first slip track (6) and second slip track (9) is in same water flat line with the centre of a circle of intramedullary nail (1) straight section.
2. The intramedullary nail and barrier nail aiming device of claim 1, wherein: arc-shaped sliding grooves are formed in the outer side faces of the first sliding rail (6) and the second sliding rail (9), two sliding blocks are fixedly arranged on one side, close to the first sliding rail (6) and the second sliding rail (9), of the supporting and fixing roller (3), the two sliding blocks slide respectively and are arranged inside the arc-shaped sliding grooves, and the supporting and fixing roller (3) is in sliding fit with the arc-shaped sliding grooves of the first sliding rail (6) and the second sliding rail (9) through the sliding blocks.
3. The intramedullary nail and barrier nail aiming device of claim 1, wherein: through holes are formed in the second connecting block (11) and the fourth connecting block (13) and matched with the second iron nails (7).
4. The intramedullary nail and barrier nail aiming device of claim 1, wherein: connect dead lever (8) including integrated into one piece's montant (81), the fixed cover of first (82) and the fixed cover of second (83), the fixed cover of first (82) and second (83) is established respectively at montant (81) both ends, the fixed cover of first (82) and horizontal pole (2) other end fixed connection, the fixed cover of second (83) and the one end fixed connection of intramedullary nail (1) segmental arc.
5. The intramedullary nail and barrier nail aiming device of claim 1, wherein: horizontal pole (2) and support fixed roll (3) outer end and be equipped with sliding sleeve (5), sliding sleeve (5) can slide and support fixed roll (3) and lock through fastening bolt and horizontal pole (2) and support fixed roll (3) respectively along horizontal pole (2), sliding sleeve (5) outer end is fixed and is equipped with holding ring (14), sliding sleeve (5) on horizontal pole (2) are established between first connecting block (10) and third connecting block (12), sliding sleeve (5) on the support fixed roll (3) are established between first slip track (6) and second slip track (9).
6. The intramedullary nail and barrier nail aiming device of claim 1, wherein: the first connecting block (10) and the second connecting block (11) are integrally formed with the first sliding rail (6), and the third connecting block (12) and the fourth connecting block (13) are integrally formed with the second sliding rail (9).
7. The intramedullary nail and barrier nail aiming device of any one of claims 1 to 6, wherein: still include the virtual reality system, the virtual reality system comprises computer, helmet display and acquisition camera, includes following operation steps:
the method comprises the following steps: the acquisition camera is positioned above the operating table, the angle can be adjusted to shoot a patient operation part to acquire a dynamic image, and the acquired dynamic image is transmitted to the computer;
step two: the computer analyzes 3D imaging through modeling, then the computer obtains a virtual imaging image of the intramedullary nail (1) in a bone, displays all structural characteristics of the intramedullary nail (1), marks the centers of the intramedullary nail (1), the first sliding track (6) and the second sliding track (9) and the positions of key points of the supporting fixing roller (3) and the sliding sleeve (5) through the computer, and displays a three-dimensional image;
step three: the computer transmits the image to the helmet display, and medical personnel wear the helmet display and drive the blocking nail of the intramedullary nail (1) through the concentric circle theory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111233061.9A CN113940744B (en) | 2021-10-22 | 2021-10-22 | Intramedullary nail and blocking nail aiming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111233061.9A CN113940744B (en) | 2021-10-22 | 2021-10-22 | Intramedullary nail and blocking nail aiming device |
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| CN113940744A true CN113940744A (en) | 2022-01-18 |
| CN113940744B CN113940744B (en) | 2023-05-23 |
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| CN211934260U (en) * | 2020-02-05 | 2020-11-17 | 蚌埠医学院第一附属医院（蚌埠医学院附属肿瘤医院） | Intramedullary nail screw aiming positioner |
| CN112155706A (en) * | 2020-10-29 | 2021-01-01 | 河南省洛阳正骨医院（河南省骨科医院） | Fine-adjustment aiming device for distal locking nail of femoral intramedullary nail |
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2021
- 2021-10-22 CN CN202111233061.9A patent/CN113940744B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1356777A2 (en) * | 2002-04-15 | 2003-10-29 | HIT MEDICA S.r.L. | Screw Guide for an intramedullary nail |
| US20080039857A1 (en) * | 2006-08-10 | 2008-02-14 | Stryker Trauma Gmbh | Distal targeting device |
| WO2015164689A1 (en) * | 2014-04-25 | 2015-10-29 | DePuy Synthes Products, Inc. | Aiming device for distal locking of intramedullary nails and methods of use |
| CN107913099A (en) * | 2017-11-24 | 2018-04-17 | 苏州市康力骨科器械有限公司 | The adjustable sighting device of distal end positioned parallel platform |
| CN207996232U (en) * | 2017-12-05 | 2018-10-23 | 河北省沧州中西医结合医院 | Femoral interlocking nail distal locking nail assists sighting device |
| CN211934260U (en) * | 2020-02-05 | 2020-11-17 | 蚌埠医学院第一附属医院（蚌埠医学院附属肿瘤医院） | Intramedullary nail screw aiming positioner |
| CN112155706A (en) * | 2020-10-29 | 2021-01-01 | 河南省洛阳正骨医院（河南省骨科医院） | Fine-adjustment aiming device for distal locking nail of femoral intramedullary nail |
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| CN113940744B (en) | 2023-05-23 |
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