CN211534657U - Percutaneous nephroscope dilator capable of being directly viewed - Google Patents
Percutaneous nephroscope dilator capable of being directly viewed Download PDFInfo
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- CN211534657U CN211534657U CN201921478984.9U CN201921478984U CN211534657U CN 211534657 U CN211534657 U CN 211534657U CN 201921478984 U CN201921478984 U CN 201921478984U CN 211534657 U CN211534657 U CN 211534657U
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- Prior art keywords
- direct
- view
- water injection
- channel
- expansion pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 210000003195 fascia Anatomy 0.000 claims abstract description 19
- 206010019909 Hernia Diseases 0.000 claims abstract description 9
- 230000010339 dilation Effects 0.000 claims description 9
- 230000000916 dilatatory effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
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- 238000005286 illumination Methods 0.000 claims description 2
- 210000003734 kidney Anatomy 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract description 5
- 238000001356 surgical procedure Methods 0.000 description 7
- 241001164374 Calyx Species 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 208000008589 Obesity Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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Abstract
The utility model discloses a percutaneous nephroscope expander capable of being directly viewed, which comprises a fascia sheath, an expansion tube, a lighting lamp and a camera, wherein the fascia sheath and the expansion tube form a kit. Wherein the fascia sheath is a uniform hollow cylindrical pipe; the front end of the expansion pipe is a pointed end, the main body part is in a uniform hollow cylinder shape, and two working channels which are parallel to the long axis of the expansion pipe are arranged in the wall of the expansion pipe and are respectively a direct-view equipment channel and a water injection channel; the direct-view equipment passageway in the expansion pipe wall is followed to light and camera and is distributed, and the light is connected with outside hernia lamp cold light source, and the camera is connected with the outside display, and the water injection passageway is connected with the syringe through the extension pipe and is carried out artifical water injection. The utility model discloses can make the art person through visual whole process of looking over percutaneous nephroscope expander entering kidney set system to guarantee accurate establishment percutaneous nephroscope operation route.
Description
The technical field is as follows:
the invention belongs to the technical field of medical instruments, and particularly relates to a direct-view percutaneous nephroscope dilator.
Background art:
percutaneous nephrolithotomy is the gold standard for treating larger (> 2 cm) or more complex kidney stones, and is the most common operation mode for treating stones in hospitals at all levels. In percutaneous nephroscope operation, it is crucial to establish a working channel between skin and kidney, after a puncture needle under B-ultrasonic or X-ray monitoring punctures a kidney assembly system successfully, a dilator is needed to establish the percutaneous kidney working channel, when a traditional dilator expands the channel, the dilator often needs to rely on an operator to feel the falling empty feeling of the dilator penetrating into the kidney assembly system, the experience requirement of the operator is high, uncertain factors are many, the depth of the dilator entering needs to be observed repeatedly by using a nephroscope, the operation is time-consuming, and the phenomena of insufficient or excessive expansion depth, more serious complications occur, such as channel loss, peripheral organ injury, kidney penetrating injury and the like, thereby causing operation failure, and meanwhile, the dilation difficulty is higher for patients with obesity, antler-shaped calculi, scoliosis and the like. The utility model discloses mainly solve percutaneous nephroscope operation route and establish the in-process, do not judge well whether the expander gets into kidney set system and whether puncture to the tram palace through the kidney, and directly look at and expand the tissue dissection that can accurately know the puncture route under, know the position of guide seal wire, accurate through the expansion of target tram vaulting and get into kidney set system.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The utility model has the following contents:
an object of the utility model is to provide a can look directly at percutaneous nephroscope expander to the passageway is lost when solving percutaneous kidney passageway expansion, kidney and surrounding internal organs damage scheduling problem, makes the art person get into the whole process of kidney set system through visual expander of looking over, in order to guarantee accurate establishment percutaneous kidney working channel.
In order to solve the above problems, the patent proposes the following technical solutions: the direct-view percutaneous nephroscope dilator is characterized by comprising a fascia sheath and a dilation tube, wherein the fascia sheath is a hollow cylindrical pipeline;
the expansion pipe main body part is a uniform hollow cylindrical pipeline, one end part of the expansion pipe main body part is in a reducing shape, the other end part of the expansion pipe main body part is in a flat mouth, and a direct-view equipment channel and a water injection channel which are axially parallel to the expansion pipe are arranged in the wall of the expansion pipe;
the dilator has: fascia sheath cup joints the outside component parts of expansion pipe, and light and camera penetrate the opening part that the direct-view equipment passageway reachd the expansion pipe reducing end from the plain end of expansion pipe respectively, and light and camera do not stand out the opening of direct-view equipment passageway at the reducing end, and the light links with outside hernia lamp cold light source electricity, and the camera is connected with outside display communication, and the water injection passageway is connected the operating condition who carries out artifical water injection through extension pipe and syringe.
Preferably, the center of the expanding tube is axially provided with a hollow channel, the hollow channel is provided with round holes at the flat opening end and the reducing end, and the inner diameter of the hollow channel is larger than the outer diameter of the guide wire.
Preferably, the illuminating lamp is connected with the external hernia lamp cold light source through a cable and a USB interface; the camera is in wired communication connection with an external display through a data line and a USB interface.
Preferably, the illumination lamp and the camera do not protrude out of the opening of the direct-view device channel at the reduced diameter end, and the inner diameter of the direct-view device channel in the expanded tube wall is 1.2-1.5 mm.
Preferably, the water injection passage has an inner diameter of 1.2 to 1.5mm, and is manually injected with water by being connected to the syringe through an extension tube.
Preferably, the circle centers of the direct-view equipment channel and the water injection channel are positioned on the same circumference of the expansion pipe, and the closest distance between the two channels is 0.8-1.0 mm.
Preferably, the fascia sheath has an inner diameter of 14Fr to 26Fr and a length of 15-20 cm.
Preferably, the external diameter of the expansion pipe is 14Fr to 26Fr, and the length of the expansion pipe is 22-25 cm.
The utility model discloses a designed two close working channel at the expansion pipe inner wall, water injection channel can guarantee at the clarity of the expansion in-process direct-view equipment field of vision, avoids the cover or the interference of blood, tissue etc..
The utility model discloses a design the percutaneous nephroscope expander that can look directly of different diameter models simultaneously, can establish multiple operation expansion route according to calculus size and position, satisfy different operations required.
The utility model discloses a through the expansion of direct-viewing percutaneous kidney route, its process is more accurate and safe, has reduced effectively that the route is established bleeding, damage and the passageway in-process and has lost complications such as, has improved the efficiency and the security of percutaneous kidney operation, has higher popularization and application and worth.
Description of the drawings:
fig. 1 is a schematic view and a sectional view of a fascia sheath of a percutaneous nephroscope dilator which can be seen directly.
Fig. 2 is a schematic view and a sectional view of the dilation tube of the percutaneous renal surgery dilation kit provided by the present invention.
Fig. 3 is a schematic and sectional view of a direct view device after placement in an dilation tube.
Fig. 4 is a schematic diagram of the practical use of the direct-view percutaneous nephroscope dilator.
In the figure: 1 is the fascia sheath, 2 is the head end round hole, 3 is the afterbody opening, 4 is seal wire working channel, 5 is the direct vision equipment passageway, 6 is the water injection passageway, 7 is the extension coupling of water injection passageway connection, 8 is the light, 9 is the camera, 10 is the light cable, 11 is camera data line, 12 is for being connected the USB interface with hernia lamp cold light source, 13 is for being connected the USB interface with the display, two points AB are the opening of direct vision passageway at the expansion pipe head end, point A is the open-ended summit, point B is the open-ended minimum.
The specific implementation mode is as follows:
example 1:
as shown in fig. 1 to 4, the direct-view percutaneous nephroscope dilator of the present invention comprises a fascia sheath 1, a dilation tube (fig. 2), an illuminating lamp 8 and a camera 9. The fascia sheath 1 has an inner diameter of 14Fr and a length of 15 cm. The front end of the dilating tube is a pointed end, the main body part is a uniform cylinder, the outer diameter is 14Fr, and the length is 22 cm. The expanding tube is hollow, the head end is provided with a front end round hole 2, the tail part is provided with an opening 3, and a guide wire can be placed in the expanding tube through a hollow channel 4.
Have in the expansion pipe wall can look at passageway 5 and water injection passageway 6 directly, two passageway internal diameters are 1.2mm, at a distance of shortest distance 0.8mm, look at passageway 5 and allow light 8 and camera 9 to pass through, wherein the line of two points of light 8 and camera 9 do not outstanding expansion pipe AB, pass through light cable 10 and USB interface 12 with outside hernia lamp cold light source with light 8 during the expansion and be connected, be connected camera 9 with the outside display through camera data line 11 and USB interface 13, connect extension pipe and syringe with water injection passageway 6 through extension pipe joint 7 simultaneously and carry out artifical water injection, can directly observe the entering depth through imaging at the display.
When a working channel is established in percutaneous renal surgery, after B-ultrasonic or X-ray guided puncture is successful, an illuminating lamp and a camera are placed in a direct-view channel of an expansion tube, a water injection channel is connected with an injector through an extension tube to carry out artificial water injection to keep a good visual field, an aponeurosis sheath and a matched expansion tube are sleeved together along a guide wire, the channel is expanded under direct view without repeated measurement or positioning, the expansion tube is expanded to a target renal calyx along a renal calyx fornix under direct view, the expansion tube and a direct-view device are pulled out after the successful expansion, and the aponeurosis sheath is reserved for lithotripsy surgery.
Example 2:
as shown in fig. 1 to 4, the direct-view percutaneous nephroscope dilator of the present invention comprises a fascia sheath 1, a dilation tube (fig. 2), an illuminating lamp 8 and a camera 9. The inner diameter of the fascia sheath is 24 Fr; the length is 15 cm. The front end of the dilating tube is a pointed end, the main body part is a uniform cylinder, the outer diameter is 24Fr, and the length is 22 cm. The expanding tube is hollow, the head end is provided with a front end round hole 2, the tail part is provided with an opening 3, and a guide wire can be placed in the expanding tube through a hollow channel 4.
Have in the expansion pipe wall can look at passageway 5 and water injection passageway 6 directly, two passageway internal diameters are 1.5mm, at a distance of shortest distance 1.0mm, look at passageway 5 and allow light 8 and camera 9 to pass through, wherein the line of two points of light 8 and camera 9 do not outstanding expansion pipe AB, pass through light cable 10 and USB interface 12 with outside hernia lamp cold light source with light 8 during the expansion and be connected, be connected camera 9 with the outside display through camera data line 11 and USB interface 13, connect extension pipe and syringe with water injection passageway 6 through extension pipe joint 7 simultaneously and carry out artifical water injection, can directly observe the depth of entry through imaging at the display. When a working channel is established in percutaneous renal surgery, after B-ultrasonic or X-ray guided puncture is successful, an illuminating lamp and a camera are placed in a direct-view channel of an expansion tube, a water injection channel is connected with an injector through an extension tube to carry out artificial water injection to keep a good visual field, an aponeurosis sheath and a matched expansion tube are sleeved together along a guide wire, the channel is expanded under direct view without repeated measurement or positioning, the expansion tube is expanded to a target renal calyx along a renal calyx fornix under direct view, the expansion tube and a direct-view device are pulled out after the successful expansion, and the aponeurosis sheath is reserved for lithotripsy surgery.
Example 3:
as shown in fig. 1 to 4, the direct-view percutaneous nephroscope dilator of the present invention comprises a fascia sheath 1, a dilation tube (fig. 2), an illuminating lamp 8 and a camera 9. The inner diameter of the fascia sheath is 26 Fr; the length is 20 cm. The front end of the dilating tube is a pointed end, the main body part is a uniform cylinder, the outer diameter is 26Fr, and the length is 25 cm. The expanding tube is hollow, the head end is provided with a front end round hole 2, the tail part is provided with an opening 3, and a guide wire can be placed in the expanding tube through a hollow channel 4.
Have in the expansion pipe wall can look at passageway 5 and water injection passageway 6 directly, two passageway internal diameters are 1.5mm, at a distance of shortest distance 1.0mm, look at passageway 5 and allow light 8 and camera 9 to pass through, wherein the line of two points of light 8 and camera 9 do not outstanding expansion pipe AB, pass through light cable 10 and USB interface 12 with outside hernia lamp cold light source with light 8 during the expansion and be connected, be connected camera 9 with the outside display through camera data line 11 and USB interface 13, connect extension pipe and syringe with water injection passageway 6 through extension pipe joint 7 simultaneously and carry out artifical water injection, can directly observe the depth of entry through imaging at the display.
When a working channel is established in percutaneous renal surgery, after B-ultrasonic or X-ray guided puncture is successful, an illuminating lamp and a camera are placed in a direct-view channel of an expansion tube, a water injection channel is connected with an injector through an extension tube to carry out artificial water injection to keep a good visual field, an aponeurosis sheath and a matched expansion tube are sleeved together along a guide wire, the channel is expanded under direct view without repeated measurement or positioning, the expansion tube is expanded to a target renal calyx along a renal calyx fornix under direct view, the expansion tube and a direct-view device are pulled out after the successful expansion, and the aponeurosis sheath is reserved for lithotripsy surgery.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various equivalent changes and substitutions may be made without departing from the spirit of the present invention.
Claims (9)
1. A percutaneous nephroscope dilator capable of being seen directly comprises a fascia sheath and a dilation tube, and is characterized in that the fascia sheath is a hollow cylindrical pipeline; the expansion pipe main body part is a uniform hollow cylindrical pipeline, one end part of the expansion pipe main body part is in a reducing shape, the other end of the expansion pipe main body part is in a flat mouth, and two working channels axially parallel to the expansion pipe are arranged in the wall of the expansion pipe and are respectively a direct-view equipment channel and a water injection channel;
the dilator has: fascia sheath cup joints the outside component parts of expansion pipe, and light and camera penetrate the opening part that the direct-view equipment passageway reachd the expansion pipe reducing end from the plain end of expansion pipe respectively, and light and camera do not stand out the opening of direct-view equipment passageway at the reducing end, and the light links with outside hernia lamp cold light source electricity, and the camera is connected with outside display communication, and the water injection passageway is connected the operating condition who carries out artifical water injection through extension pipe and syringe.
2. The direct-view percutaneous nephroscope dilator of claim 1, wherein the internal diameter of the direct-view device channel is larger than the sum of the external diameters of the illumination lamp and the camera.
3. The direct-view percutaneous nephroscope dilator of claim 2, wherein: the internal diameter of the direct-view device channel in the dilating tube wall is 1.2-1.5 mm.
4. The direct-view percutaneous nephroscope dilator according to claim 1, wherein the central axial direction of the dilating tube is provided with a hollow channel, the hollow channel is provided with round holes at both the flat opening end and the reducing end, and the inner diameter of the hollow channel is larger than the outer diameter of the guide wire.
5. The direct-view percutaneous nephroscope dilator of claim 1, wherein: the illuminating lamp is connected with an external hernia lamp cold light source through a cable and a USB interface; the camera is in wired communication connection with an external display through a data line and a USB interface.
6. The direct-view percutaneous nephroscope dilator of claim 1, wherein: the inner diameter of the water injection channel is 1.2-1.5mm, and the water injection channel is connected with an injector through an extension pipe for manual water injection.
7. The direct-view percutaneous nephroscope dilator of claim 1, wherein: the circle centers of the direct-view equipment channel and the water injection channel are positioned on the same circumference of the expansion pipe, and the closest distance between the two channels is 0.8-1.0 mm.
8. The direct-view percutaneous nephroscope dilator according to claim 1, wherein the fascia sheath has an inner diameter of 14Fr to 26Fr and a length of 15-20 cm.
9. The direct-view percutaneous nephroscope dilator according to claim 1, wherein the dilating tube has an outer diameter of 14Fr to 26Fr and a length of 22-25 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478984.9U CN211534657U (en) | 2019-09-06 | 2019-09-06 | Percutaneous nephroscope dilator capable of being directly viewed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478984.9U CN211534657U (en) | 2019-09-06 | 2019-09-06 | Percutaneous nephroscope dilator capable of being directly viewed |
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| Publication Number | Publication Date |
|---|---|
| CN211534657U true CN211534657U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921478984.9U Expired - Fee Related CN211534657U (en) | 2019-09-06 | 2019-09-06 | Percutaneous nephroscope dilator capable of being directly viewed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114224445A (en) * | 2021-12-16 | 2022-03-25 | 复旦大学附属中山医院青浦分院 | Device for establishing blood vessel tunnel under direct vision |
| CN114680957A (en) * | 2020-12-31 | 2022-07-01 | 丰超 | Built-in lens type expansion drainage sheath |
-
2019
- 2019-09-06 CN CN201921478984.9U patent/CN211534657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114680957A (en) * | 2020-12-31 | 2022-07-01 | 丰超 | Built-in lens type expansion drainage sheath |
| CN114224445A (en) * | 2021-12-16 | 2022-03-25 | 复旦大学附属中山医院青浦分院 | Device for establishing blood vessel tunnel under direct vision |
| CN114224445B (en) * | 2021-12-16 | 2023-12-05 | 复旦大学附属中山医院青浦分院 | Device for establishing vascular tunnel under direct vision |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |