CN211410624U - Device is put into in ureter inner support drainage under peritoneoscope - Google Patents
Device is put into in ureter inner support drainage under peritoneoscope Download PDFInfo
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- CN211410624U CN211410624U CN201921797592.9U CN201921797592U CN211410624U CN 211410624 U CN211410624 U CN 211410624U CN 201921797592 U CN201921797592 U CN 201921797592U CN 211410624 U CN211410624 U CN 211410624U
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- tube
- guide wire
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- elastic
- ureter
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Abstract
The utility model provides a drainage implanting device for an endoureteral stent under a laparoscope, which comprises a double J tube, a guide wire, a push tube and a catheter, wherein the catheter, the guide wire and the push tube are used for matching the double J tube to be implanted into a ureter; the guide wire is elastically bendable and has a hardness greater than the first and second elastic crimps, respectively, and the guide wire may protrude from the side hole. The utility model provides a device is put into in ureter internal support drainage under peritoneoscope utilizes the side opening on the two J pipes, has changed the mode of putting into of two J pipes, has effectively reduced the two J pipes and has put into the degree of difficulty.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a device is put into in ureter inner support drainage under peritoneoscope.
Background
Ureteral stenosis is a common urological disease, and ureteral stenosis excision + end-to-end ureterostomy is one of the main treatment methods for the disease. More and more of these procedures are currently performed laparoscopically, during which it is necessary to place the inner double J-tube inside the anastomosed ureter in order to reduce the occurrence of ureteric leakage and ureteral stenosis.
The two ends of the existing double J tube are opened usually, in the operation, one end of the double J tube which is placed into the ureter is placed into the corresponding kidney hoop or bladder along the guide wire, then the guide wire is drawn out, the end part of the double J tube restores to the original shape, at the moment, the other end of the double J tube which is placed into the ureter becomes difficult, the main reason is that the end part of the double J tube is not supported into a bending state by the guide wire, the double J tube is not beneficial to being placed, an operator usually adopts an operating clamp to place the other end of the double J tube in the prior art, the placing is difficult, time and labor are wasted, and the requirement on the technical level of the.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a device is put into in ureter inner support drainage under peritoneoscope to reduce putting into the degree of difficulty of two J pipes, shorten the time of putting into, improve and put into efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drainage and embedding device for an endoureteral stent under a laparoscope comprises a double J tube, a guide wire, a push tube and a catheter, wherein the catheter, the guide wire and the push tube are used for being matched with the double J tube to be embedded into a ureter; the guide wire is elastically bendable and has a hardness greater than the first and second elastic crimps, respectively, and the guide wire may protrude from the side hole.
The intra-ureteral stent drainage implanting device under the laparoscope provided by the scheme has the following use modes:
firstly, a first end of a catheter is placed into an operation area through a laparoscope operation channel, a second end of the catheter is positioned outside the operation area, a head end of a guide wire is placed into the catheter from the second end of the catheter, the guide wire is led out from the first end of the catheter and then inserted into a kidney loop end of a ureter, and a tail end of the guide wire is positioned outside the catheter;
secondly, sleeving the double J tube on a guide wire, and pushing a first elastic curling part of the double J tube into a kidney loop end of the ureter by using a push tube; then slowly withdrawing the guide wire out of the operation area, wherein the first elastic curling part of the double J tube is naturally bent, and when the head end of the guide wire is withdrawn to the side hole, the head end of the guide wire is extended out of the side hole;
thirdly, the head end of the guide wire extends into the bladder end of the ureter from the position where the double J tube extends into the ureter, the push tube is used for pushing the second elastic curling part of the double J tube, and the second elastic curling part of the double J tube can extend into the bladder along the guide wire;
and fourthly, when the double J tubes are integrally placed into the ureter, the push tube, the guide wire and the catheter are taken out in sequence.
The drainage implanting device for the ureteral internal stent under the laparoscope, which is provided by the technical scheme, changes the implanting mode of the double J tubes by utilizing the side holes on the double J tubes, effectively reduces the implanting difficulty of the double J tubes, shortens the implanting time and reduces the implanting risk.
In order to better implement the above solution, optionally, the conduit includes a transparent hard tube and a transparent bendable tube connected to one end of the hard tube, and the other end of the hard tube is provided with an air leakage preventing device.
The beneficial effects of the preferable technical scheme are as follows: the angle of the bendable pipe can be adjusted according to the shape of the operation channel so as to be matched with the guide wire and the double J pipe to be placed in the ureter.
Preferably, the side hole is one, and the side hole is provided near the first elastic curl portion or the second elastic curl portion.
The beneficial effects of the preferable technical scheme are as follows: when the side hole is close to the first elastic curling part or the second elastic curling part, the length of the rear part of the double J tube, which is put into the end of the ureter, can be reduced, and the difficulty of putting the double J tube into the whole body is further reduced.
Optionally, the number of the side holes is two or more, and the side holes are uniformly distributed in the axial direction of the pipe body.
Optionally, the projection of the side hole on the axial surface of the pipe body is elliptical or rectangular.
Optionally, the width of the narrowest part of the side hole is 2-5 times the diameter of the guide wire.
Optionally, the guide wire is a metal wire.
Optionally, the end of the guide wire placed in the ureter has a weak portion.
Optionally, the length of the guide wire is 10cm-20cm longer than the length of the double J-tube.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view illustrating a procedure (a) for placing a laparoscopic endoureteral stent drainage implantation device according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a process (ii) for placing a laparoscopic endoureteral stent drainage implantation device according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a procedure (iii) for placing a laparoscopic endoureteral stent drainage implantation device according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an insertion process (iv) of a laparoscopic endoureteral stent drainage insertion device according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating an insertion process (v) of a laparoscopic endoureteral stent drainage insertion device according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating an insertion process (vi) of a laparoscopic endoureteral stent drainage insertion device according to an embodiment of the present invention;
fig. 7 is a schematic view of a laparoscopic endoureteral stent drainage implantation device according to an embodiment of the present invention after completing a double J-tube implantation;
FIG. 8 is a schematic view of the double J-tube of FIGS. 2-7;
FIG. 9 is a schematic view of the catheter of FIGS. 1-6;
in the reference symbols:
10. a double J tube; 11. a body portion; 13. a first elastic curl portion; 12. a second elastic curl portion; 14. A side hole;
20. a guide wire;
30. pushing the tube;
40. a conduit; 41. a rigid tubular body; 42. a bendable tube; 43. an air leakage prevention device;
50. kidney yang;
60. the bladder;
70. a ureter;
80. the boundary of the operative field.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Example 1:
referring to fig. 1 to 9, the present embodiment provides a laparoscopic endoureteral stent drainage implantation device, comprising a double J-tube 10, a guide wire 20, a push tube 30 and a catheter 40, wherein the catheter 40, the guide wire 20 and the push tube 30 are used to cooperate with the double J-tube 10 to be implanted into a ureter 70.
As shown in fig. 8, the double J-tube 10 includes a tube body 11 located in the ureter 70, a first elastic bending portion 12 extending into the kidney membrane, and a second elastic bending portion 13 extending into the bladder, the first elastic bending portion 12, the tube body 11, and the second elastic bending portion 13 are connected in sequence and are communicated, the first elastic bending portion 12 and the second elastic bending portion 13 are both open ends, and the tube body 11 is provided with at least one side hole 14.
In this embodiment, the double J-tube is made of the same material as that of the double J-tube in the prior art, the specific material is polyurethane, which is soft, highly elastic, has many side holes, large flow rate, is not easy to deform, has a smooth surface, is easy to pass through the ureter, has good biocompatibility, is harmless to tissues, has no stimulation, is not blocked, can be completely developed by X-ray, and is convenient for examination.
In the present embodiment, when there is one side hole 14, the side hole 14 is provided near the first elastic bent portion 12 or the second elastic bent portion 13.
In this embodiment, the projection of the side hole 14 on the axial plane of the body 11 is an ellipse or a rectangle, and the width of the narrowest part of the side hole 14 is 2-5 times the diameter of the guide wire 20, so as to facilitate the rapid exit of the head end of the guide wire 20 from the double J-tube.
The guide wire 20 is elastically bendable, and the hardness of the guide wire 20 is greater than the hardness of the first elastic curled portion 12 and the second elastic curled portion 13, respectively, and the guide wire 20 can protrude from the side hole 14. in the present embodiment, it is preferable that the end of the guide wire 20 inserted into the ureter 70 has a weak portion whose hardness is greater than the hardness of the first elastic curled portion 12 and the second elastic curled portion 13, respectively, so that the weak portion can expand the first elastic curled portion 12 and the second elastic curled portion 13.
As shown in fig. 9, the catheter 40 includes a transparent hard tube 41 and a transparent bendable tube 42 connected to one end of the hard tube 41, the bendable tube 42 is preferably made of medical silica gel, the other end of the hard tube 41 is provided with an air leakage preventing device 43, the air leakage preventing device 43 is made of rubber, and a telescopic hole for penetrating the double J-tube 10 is preset in the air leakage preventing device 43.
In this embodiment, to facilitate the guiding guidewire 20 to guide the double J-tube 10 into the ureter 70, the guiding guidewire 20 is preferably 10cm to 20cm longer than the double J-tube 10.
The usage method of the intra-ureteral bracket drainage and insertion device based on the side hole 14 provided by the embodiment is as follows:
1. as shown in FIG. 1, the bendable tube 42 of the catheter 40 is placed from a laparoscopic procedure channel through the abdomen or waist into the surgical field (the left side of the surgical field dividing line 80 represents the inside of the surgical field, and the right side of the surgical field dividing line 80 represents the outside of the surgical field), and the bendable end 42 is adjusted to a suitable angle under the endoscope, and the rigid tube body 41 of the catheter 40 is located outside the surgical field;
2. as shown in fig. 2, the soft end of the guide wire 20 is inserted into the catheter 40 from the outer port of the rigid tube 41, and is led out from the port of the bendable tube 41 of the catheter 40 and inserted into the kidney loop of the ureter 70, at this time, the double J-tube 10 is sleeved on the guide wire 20, the first elastic curled portion 12 of the double J-tube 10 is pushed into the kidney loop 50 by the push tube 30, and the second elastic curled portion 13 of the double J-tube 10 is positioned outside the catheter 40;
3. as shown in fig. 3, the guide wire 20 is slowly withdrawn out of the operation area, and the first elastic bending part 12 of the double J-tube 10 is naturally bent, so that when the weak end of the guide wire 20 is withdrawn to the side hole 14, the weak end of the guide wire 20 is extended out of the side hole 14 by a proper length;
4. as shown in fig. 4, the catheter 40 is rotated so that the curved tube 42 of the catheter 40 faces the other end of the ureter 40;
5. as shown in fig. 5, the weak end of the guide wire 20 extends from the double J-tube 10 into the ureter 40 to the bladder end of the ureter 40;
6. as shown in FIG. 6, the second elastic crimp 13 of the double J-tube 10 is pushed along the guide wire 20 by the push tube 30 and is placed into the bladder.
7. When the double J-tube 10 is integrally inserted into the ureter 40, the pusher tube 30, the guide wire 10 and the catheter 40 are sequentially removed, as shown in FIGS. 6 and 7.
In the above-described method of use, the second elastic crimping portion 13 may be placed in the bladder 60 first, and then the first elastic crimping portion 12 may be placed in the kidney membrane 50.
According to the drainage implanting device for the ureteral internal stent under the laparoscope, the side hole 14 on the double J tube is utilized, the implanting mode of the double J tube 10 is changed, the implanting difficulty of the double J tube 10 is effectively reduced, the implanting time is shortened, the implanting risk is reduced, and meanwhile, the influence on the ureter 70 is also reduced.
Example 2:
this embodiment is similar to embodiment 1, but differs therefrom in that: in this embodiment, the number of the side holes 14 is two or more, the side holes 14 are uniformly distributed in the axial direction of the body portion 11, and during the insertion process on the double J-tube, the double J-tube can be inserted by using two side holes 14 or more than two side holes.
The drainage implanting device for the ureteral stent under the laparoscope provided by the embodiment also utilizes the side holes 14 on the double J tubes, so that the implanting mode of the double J tubes 10 is changed, the implanting difficulty of the double J tubes 10 is effectively reduced, the implanting time is shortened, the implanting risk is reduced, and meanwhile, the influence on the ureter 70 is also reduced.
In the present embodiment, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present example, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The particular features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A ureteral stent drainage implantation device under a laparoscope comprises a double J tube (10), a guide wire (20), a push tube (30) and a catheter (40), wherein the catheter (40), the guide wire (20) and the push tube (30) are used for being matched with the double J tube (10) to be implanted into a ureter, and the ureteral stent drainage implantation device is characterized in that:
the double-J tube (10) comprises a tube body part (11) extending into the ureter, a first elastic curling part (12) extending into the kidney loop and a second elastic curling part (13) extending into the bladder, the first elastic curling part (12), the tube body part (11) and the second elastic curling part (13) are sequentially connected into a whole and communicated, the first elastic curling part (12) and the second elastic curling part (13) are both open ends, and the tube body part (11) is provided with at least one side hole (14);
the guide wire (20) is elastically bendable, and the hardness of the guide wire (20) is greater than the hardness of the first and second elastic crimps (12, 13), respectively, and the guide wire (20) may protrude from the side hole (14).
2. The endoureteral stent drainage implantation device according to claim 1, wherein the catheter (40) comprises a transparent hard tube body (41) and a transparent bendable tube (42) connected to one end of the hard tube body (41), and the other end of the hard tube body (41) is provided with an air leakage prevention device (43).
3. A laparoscopic endoureteral stent drainage implantation device according to claim 1, wherein said side hole (14) is one, and said side hole (14) is disposed adjacent to said first elastic crimp (12) or said second elastic crimp (13).
4. A laparoscopic endoureteral stent drainage implantation device according to claim 1, wherein said side holes (14) are two or more, and said side holes (14) are uniformly distributed in an axial direction of said body portion (11).
5. A laparoscopic endoureteral stent drainage implantation device according to claim 3 or 4, wherein the projection of the side hole (14) on the axial plane of the body portion (11) is elliptical or rectangular.
6. A laparoscopic endoureteral stent drainage implantation device according to claim 5, wherein the width of the narrowest part of the side hole (14) is 2-5 times the diameter of the guide wire (20).
7. The laparoscopic endoureteral stent drainage placement device according to claim 1, wherein said guide wire (20) is a metal wire.
8. The endoureteral stent drainage implantation device according to claim 7, wherein an end of the guide wire (20) to be placed in the ureter has a weak portion.
9. A laparoscopic endoureteral stent drainage implantation device according to any of claims 1 to 3, wherein the length of said guide wire (20) is 10cm-20cm longer than the length of said double J-tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797592.9U CN211410624U (en) | 2019-10-24 | 2019-10-24 | Device is put into in ureter inner support drainage under peritoneoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797592.9U CN211410624U (en) | 2019-10-24 | 2019-10-24 | Device is put into in ureter inner support drainage under peritoneoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211410624U true CN211410624U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921797592.9U Expired - Fee Related CN211410624U (en) | 2019-10-24 | 2019-10-24 | Device is put into in ureter inner support drainage under peritoneoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211410624U (en) |
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2019
- 2019-10-24 CN CN201921797592.9U patent/CN211410624U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20211024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |