CN210750817U - Guide wire for urinary surgery - Google Patents
Guide wire for urinary surgery Download PDFInfo
- Publication number
- CN210750817U CN210750817U CN201920450971.4U CN201920450971U CN210750817U CN 210750817 U CN210750817 U CN 210750817U CN 201920450971 U CN201920450971 U CN 201920450971U CN 210750817 U CN210750817 U CN 210750817U
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- Prior art keywords
- guide wire
- nut
- stud
- diameter
- hole
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Abstract
The utility model provides a guide wire for urinary surgery, which comprises a guide wire, wherein the guide wire is made of a polymer cladding metal wire, a water injection channel is arranged in the polymer cladding, one end of the water injection channel is connected with a water outlet at the head part of the guide wire, and the other end of the water injection channel penetrates through the tail part of the guide wire; one end of the guide wire, which is far away from the water outlet, is movably connected with the stud, one end of the stud is provided with external threads, a cylindrical counter bore is arranged in the stud, and a rubber fastening lining is arranged in a large hole of the cylindrical counter bore; nut one end sets up the internal thread, sets up the kicking block in the nut, sets up the second through-hole in the kicking block, and the nut is kept away from internal threaded one end and is set up the water filling port, and water filling port and nut fixed connection make the seal wire realize the water injection function, can wash to focus position water injection in advance, guarantee that the scope of entering field of vision is clear, improve the operation success rate, have extensive popularization and application and worth.
Description
Technical Field
The utility model belongs to the field of medical equipment, it is specific, the utility model relates to a seal wire is used in uropoiesis operation.
Background
Due to the continuous development of interventional medicine, in the process of endoscopic diagnosis and treatment of urinary tract and digestive tract, the guide wire is matched with an endoscope for use, under the endoscope, the guide wire is inserted under a percutaneous renal puncture method or a urethrovesicae and ureteroscope to play a role in supporting, guiding or guiding other instruments, and the guide wire is novel, zebra stripes on the surface of the guide wire are favorable for observing the movement or transposition of the guide wire, and the guide and guide effects of the guide wire are the guide of a subsequent catheter or stent, the injection of a contrast medium, the insertion of a stone basket and the like, and play an indispensable role. However, the existing guide wire has single function and limited application range, and the guide wire for urinary surgery is urgently needed, so that the guide wire is simple and quick in the guiding process, the success rate of the surgery is improved, and the pain of patients is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of limited application range, single function and the like of the prior guide wire, the utility model aims to provide a guide wire for urinary surgery.
The utility model discloses a realize through following technical scheme:
the utility model provides a seal wire for urinary surgery, which comprises a seal wire, wherein the seal wire is made of a polymer cladding metal wire, a water injection channel is arranged in the polymer cladding, one end of the water injection channel is connected with a water outlet at the head part of the seal wire, and the other end of the water injection channel penetrates through the tail part of the seal wire; one end of the guide wire, which is far away from the water outlet, is movably connected with the stud, one end of the stud is provided with external threads, a cylindrical counter bore is arranged in the stud, and a rubber fastening lining is arranged in a large hole of the cylindrical counter bore; nut one end sets up the internal thread, sets up the kicking block in the nut, sets up the second through-hole in the kicking block, and the internal screw thread one end is kept away from to the nut sets up the water filling port, water filling port and nut fixed connection.
The utility model discloses in, all set up the butterfly arch on the double-screw bolt and on the nut.
The utility model discloses in, the one end of the mouth of a river is established to the lead-in to the seal wire, and the lead-in is the toper section of tapering, and the top of lead-in sets up spherical arch.
The utility model discloses in, the diameter of cylindricality counter bore aperture suits the setting with the seal wire diameter on the double-screw bolt.
The utility model discloses in, set up first through-hole on the rubber fastening inside lining, first through-hole internal diameter suits the setting with seal wire diameter.
The utility model discloses in, set up the sealing rubber packing ring between double-screw bolt and the nut.
The utility model discloses in, the diameter of second through-hole suits the setting with the diameter of seal wire in the kicking block.
The utility model discloses in, the diameter of second through-hole suits the setting with first through-hole diameter in the kicking block.
The utility model discloses in, the outer wall of polymer cladding thing sets up super-lubricity hydrophilic coating, and seal wire and double-screw bolt connecting portion do not have hydrophilic coating.
Preferably, the wire is nitinol with a superelastic core and excellent torsional properties.
Preferably, in the utility model discloses, polytetrafluoroethylene is chooseed for use to the polymer cladding thing.
Use the utility model discloses following beneficial effect has:
(1) the utility model discloses an increase water filling port, water injection passageway and delivery port, make the seal wire have the function effect of water injection, the hydrophilic layer of the super slipperiness on cooperation seal wire surface makes the leading-in degree of difficulty greatly reduced of seal wire, can wash to focus position water injection in advance, guarantees to advance the mirror field of vision clear.
(2) When the human tissue was touch to the spherical arch in top of the toper taper section of guide-in end, can initiatively turn to and give way to avoid causing the damage to the patient, improved the success rate of operation greatly, compare with current ureteroscope guide wire and pipe, the utility model discloses a novel guide wire guide advances and moves back in a flexible way, and the operation is more simple and convenient, the not damaged.
(3) The fixed seal wire is more convenient for the cooperation of double-screw bolt and nut to make, and the leakproofness is good, prevents to drop, and is also more convenient during the dismantlement, has reduced ureteroscope operation's the degree of difficulty by a wide margin, has improved the success rate of operation, has also shortened beginner's learning curve, has good clinical application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 shows the structure of the present invention.
Fig. 2 shows a cross-sectional view of the present invention.
Fig. 3 shows a cross-sectional view of the stud of the present invention.
Fig. 4 is a partially enlarged schematic view of a portion a of fig. 2 according to the present invention.
Fig. 5 is a partially enlarged view of the portion B in fig. 2 according to the present invention.
Fig. 6 is a cross-sectional view taken at C-C of fig. 2 according to the present invention.
In FIGS. 1-6: 1-guide wire, 2-polymer coating, 3-metal wire, 4-water injection channel, 5-water outlet, 6-stud, 61-cylindrical counter bore, 7-nut, 8-butterfly-shaped bulge, 9-sealing rubber gasket, 10-rubber fastening lining, 101-first through hole, 11-top block, 111-second through hole and 12-water injection port.
Detailed Description
The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 6 and examples, but the present invention is not limited to the following examples.
In the present invention, for convenience of description, the description of the relative relationship between the components of the urinary catheter is described according to the layout of fig. 1, for example, the positional relationship between the upper, lower, left, right, etc. is determined according to the layout of fig. 1.
The utility model provides a seal wire for urinary surgery, which comprises a seal wire 1, wherein the seal wire 1 is made of a polymer cladding 2 cladding metal wire 3, a water injection channel 4 is arranged in the polymer cladding 2, one end of the water injection channel 4 is connected with a water outlet 5 at the head part of the seal wire 1, and the other end of the water injection channel 4 penetrates through the tail part of the seal wire 1; one end of the guide wire 1, which is far away from the water outlet 5, is movably connected with a stud 6, one end of the stud 6 is provided with external threads, a cylindrical counter bore 61 is arranged in the stud 6, and a rubber fastening lining 10 is arranged in a large hole of the cylindrical counter bore; 7 one end of nut sets up the internal thread, sets up kicking block 11 in the nut 7, sets up second through-hole 111 in the kicking block 11, and the internal screw thread one end of keeping away from of nut 7 sets up water filling port 12, water filling port 12 and nut 7 fixed connection.
The utility model discloses in, all set up butterfly arch 8 on stud 6 and on nut 7.
The utility model discloses in, the one end that seal wire 1 established outlet 5 is established to the lead-in end, and the lead-in end is the toper section of tapering, and the top of lead-in end sets up spherical arch.
The utility model discloses in, the diameter of cylindricality counter bore 61 aperture on the double-screw bolt 6 suits the setting with seal wire 1 diameter.
The utility model discloses in, set up first through-hole 101 on the rubber fastening inside lining 10, first through-hole 101 internal diameter suits the setting with 1 diameter of seal wire.
The utility model discloses in, set up sealing rubber packing ring 9 between double-screw bolt 6 and the nut 7.
The utility model discloses in, the diameter of second through-hole 111 suits the setting with the diameter of seal wire 1 in the kicking block 11.
The utility model discloses in, the diameter of second through-hole 111 suits the setting with first through-hole 101 diameter in the kicking block 11.
The utility model discloses in, the outer wall of polymer cladding thing 22 sets up super-lubricity hydrophilic coating, and seal wire 1 does not have hydrophilic coating with double-screw bolt 6 coupling part.
Preferably, the wire 3 is made of nitinol with a superelastic core and an excellent torsional capacity.
Preferably, in the present invention, the polymer coating 2 is made of polytetrafluoroethylene.
When the utility model is used, the guide wire 1 is inserted under percutaneous kidney puncture method or urethra bladder and ureteroscope, the tail end of the guide wire 1 is inserted into the cylindrical counter bore 61 in the stud 6, after the tail end of the guide wire 1 extends out of the first through hole 101 on the rubber fastening lining 10, the stud 6 and the nut 7 are screwed up by using the butterfly-shaped bulge 8, the sealing rubber gasket 9 seals between the nut 7 and the stud 6 to prevent water leakage, meanwhile, the top block in the nut 7 extrudes the rubber fastening lining 10 in the stud to enable the rubber fastening lining 10 to extrude the guide wire 1, the guide wire 1 is firmly fixed in the second through hole 111 in the top block 11, water is injected into the nut 7 through the water injection port 12 on the nut 7, water flows into from the nut 7 and is ejected from the water outlet 5 through the water injection channel 4 in the guide wire 1, after use, the nut 7 and the stud 6 are separated from the stud 6 through the butterfly-shaped bulge 8 on, the top block 11 in the nut 7 loosens the rubber fastening lining 10, the rubber fastening lining 10 does not extrude the guide wire 1 any more, the guide wire 1 is drawn out from the cylindrical counter bore 61 in the stud 6, the guide wire 1 is retained in the body of a patient, and the guide wire 1 is used for subsequent guidance or other instruments are introduced.
The utility model discloses in, super hydrophilic coating of slipperiness, seal wire 1, polymer cladding 2, wire 3, double-screw bolt 6, nut 7, butterfly arch 8, sealing rubber packing ring 9, rubber fastening inside lining 10, kicking block 11 etc. ordinary technical personnel in the field all can obtain through purchase or customization.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A guide wire for urinary surgery comprises a guide wire and is characterized in that the guide wire is made of a polymer coating material coated with a metal wire, a water injection channel is arranged in the polymer coating material, one end of the water injection channel is connected with a water outlet at the head part of the guide wire, and the other end of the water injection channel penetrates through the tail part of the guide wire; one end of the guide wire, which is far away from the water outlet, is movably connected with the stud, one end of the stud is provided with external threads, a cylindrical counter bore is arranged in the stud, and a rubber fastening lining is arranged in a large hole of the cylindrical counter bore; nut one end sets up the internal thread, sets up the kicking block in the nut, sets up the second through-hole in the kicking block, and the internal screw thread one end is kept away from to the nut sets up the water filling port, water filling port and nut fixed connection.
2. The urinary surgical guidewire of claim 1, wherein the stud and the nut each include a knob.
3. The urinary catheter of claim 1, wherein the guide wire has a tapered end and a spherical protrusion at the top of the guide end.
4. The urinary catheter of claim 1, wherein the diameter of the cylindrical counter bore of the stud is adapted to the diameter of the urinary catheter.
5. The urinary catheter of claim 1, wherein the rubber-based inner liner has a first through-hole with an inner diameter corresponding to the diameter of the catheter.
6. The urinary procedure guidewire of claim 1, wherein a rubber gasket is disposed between the stud and the nut.
7. The urinary surgical guidewire of claim 1, wherein the second through-hole in the top block has a diameter adapted to the diameter of the guidewire.
8. The urinary surgical guidewire of claim 1, wherein the second through hole in the top block has a diameter adapted to the diameter of the first through hole.
9. The urinary catheter of claim 1, wherein the polymeric coating has a hydrophilic coating on the outer wall, and the portion of the guidewire that is coupled to the post has no hydrophilic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450971.4U CN210750817U (en) | 2019-04-04 | 2019-04-04 | Guide wire for urinary surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920450971.4U CN210750817U (en) | 2019-04-04 | 2019-04-04 | Guide wire for urinary surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210750817U true CN210750817U (en) | 2020-06-16 |
Family
ID=71054805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920450971.4U Expired - Fee Related CN210750817U (en) | 2019-04-04 | 2019-04-04 | Guide wire for urinary surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210750817U (en) |
-
2019
- 2019-04-04 CN CN201920450971.4U patent/CN210750817U/en not_active Expired - Fee Related
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Legal Events
| 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: 20200616 |