CN204671244U - The Multifunction puncture trocar - Google Patents
The Multifunction puncture trocar Download PDFInfo
- Publication number
- CN204671244U CN204671244U CN201520334051.8U CN201520334051U CN204671244U CN 204671244 U CN204671244 U CN 204671244U CN 201520334051 U CN201520334051 U CN 201520334051U CN 204671244 U CN204671244 U CN 204671244U
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- China
- Prior art keywords
- puncture needle
- sleeve pipe
- puncture
- tip
- wire casing
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Abstract
This utility model is specifically related to a kind of Multifunction puncture trocar, comprises puncture needle and sleeve pipe, and the bottom of puncture needle is the tip for piercing through tissue, is provided with hook wire casing above tip, and the top of puncture needle is provided with pin cap; Puncture needle assigns in sleeve pipe, and the tip of puncture needle and hook wire casing lean out from the bottom of sleeve pipe.Compared to prior art, the Multifunction puncture trocar that this utility model provides, not only has puncture function, and hook wire casing can hook the wire on stoma, exits puncture needle wire and also exits together to external, simplify operative process; And without the need to exiting gastroscope, whole operation technique all carries out under gastroscope monitoring, more safer than traditional operation.In addition, it also avoid and repeat for twice to insert gastroscope, not only reduce operation easier, and decrease the misery of patient.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to the paracentesis trocar that a kind of Percutaneous endoscopic stomach/Jejunostomy (hauling-out method) uses.
Background technology
In Percutaneous endoscopic stomach/Jejunostomy (PEG/PEJ) (hauling-out method), puncture needle only can play puncture effect in operation.To exit in sleeve pipe after puncture needle enters stomach, then in sleeve pipe, wear traction steel wire and enter gastric, then live traction steel wire with snare (or biopsy forceps) cover (folder) under gastroscope, exit outside patient oral cavity through esophagus together with gastroscope.The bifilar traction steel wire pulled out from patient oral cavity is firmly connected with the coil of stoma head end.Wire outside tractive stomach wall, draws in gastral cavity by stoma through patient oral cavity, has light resistance, now together pull out stomach wall together with sleeve pipe when the conical head end of stoma is pulled in sleeve pipe, until gastric fixed disc is close to coat of the stomach.Preferably again enter scope to assist to determine that the correctness of position and site of puncture are with or without hemorrhage.Existing lancing system, operation technique is loaded down with trivial details, requires higher, gastroscope must be exited to external from gastric in operation process, the part in-vivo procedures of operation not carried out under gastroscope monitoring, adds risk and the difficulty of operation, last gastroscope also will reenter gastral cavity, adds operation wound.
Utility model content
The purpose of this utility model is to provide one can simplify the operating procedure of Percutaneous endoscopic stomach/Jejunostomy (hauling-out method), reduces operation technique difficulty, increases operation safety, and reduces the paracentesis trocar of patient suffering.
For achieving the above object, this utility model provides a kind of Multifunction puncture trocar, comprises puncture needle and sleeve pipe, and the bottom of described puncture needle is the tip for piercing through tissue, is provided with hook wire casing above tip, and the top of puncture needle is provided with pin cap; Described puncture needle assigns in sleeve pipe, and the tip of puncture needle and hook wire casing lean out from the bottom of sleeve pipe.
Wherein, the top of described sleeve pipe is provided with edge plate, and described edge plate is provided with the first ear groove, and described sleeve pipe is provided with the second ear groove, and the notch direction of described first ear groove is perpendicular to the notch direction of the second ear groove, and the degree of depth of the first ear groove is less than the second ear groove; The below of the pin cap of described puncture needle is provided with pin ear, and when described pin ear assigns into the first ear groove, only the tip of puncture needle leans out from the bottom of sleeve pipe, and when described pin ear assigns into the second ear groove, tip and the hook wire casing of puncture needle all lean out from the bottom of sleeve pipe.
Wherein, the side concordant with hooking wire casing opening direction, described tip is plane, and its most advanced and sophisticated lap is coniform.
Wherein, described hook wire casing is made up of oblique slot and the vertical channel that is connected with oblique slot.
The beneficial effects of the utility model are: compared to prior art, the Multifunction puncture trocar that this utility model provides, hook wire casing is provided with at the tip of puncture needle, in Percutaneous endoscopic stomach/Jejunostomy, not only there is puncture function, and hook wire casing can hook the wire on stoma, when exiting puncture needle, wire also exits together to external, wire outside tractive stomach wall, stoma is drawn in gastral cavity through patient oral cavity, when the conical head end of stoma is pulled in sleeve pipe, together stomach wall is pulled out again together with sleeve pipe, until gastric fixed disc is close to coat of the stomach, simplify operative process, and without the need to exiting gastroscope, whole operation technique all carries out under gastroscope monitoring, more safer than traditional operation, in addition, it also avoid and repeat for twice to insert gastroscope, not only reduce operation easier, and decrease the misery of patient.
Accompanying drawing explanation
Fig. 1 is the structure chart of puncture needle of the present utility model;
Fig. 2 is the enlarged drawing of Fig. 1 at A place;
Fig. 3 is the Longitudinal cross section schematic of sleeve pipe of the present utility model;
Fig. 4 is the top view of sleeve pipe of the present utility model.
Main element symbol description is as follows:
1, puncture needle 2, sleeve pipe
11, tip 12, hook wire casing
13, pin cap 14, pin ear
21, edge plate 22, first ear groove
23, the second ear groove 121, oblique slot
122, vertical channel.
Detailed description of the invention
Consult Fig. 1-4, the Multifunction puncture trocar that this utility model provides, comprise puncture needle 1 and sleeve pipe 2, the bottom of puncture needle 1 is the tip 11 for piercing through tissue, and be provided with above most advanced and sophisticated 11 and hook wire casing 12, the top of puncture needle 1 is provided with pin cap 13; Puncture needle 1 assigns in sleeve pipe 2, and the tip 11 of puncture needle 1 and hook wire casing 12 lean out from the bottom of sleeve pipe 2.
After applying the Multifunction puncture trocar that this utility model provides, the operating process of Percutaneous endoscopic stomach/Jejunostomy becomes more simple and safety, illustrates below by contrast.
Do not apply traditional Percutaneous endoscopic stomach/Jejunostomy (hauling-out method) of the Multifunction puncture trocar that this utility model provides, its operating process is as follows:
1, Preoperative Method: comprise empty stomach, oral cavity cleaning, necessary precaution application antibiotics, and note the coagulation function state of patient;
2, select abdomen wall puncture point also to make skin degerming: generally to select the outer 3-5cm place of center line under the abdominal rib edge of upper left, often correspond in body of stomach antetheca middle and lower part, routinely sufficiently sterilised point of puncture and surrounding skin thereof spread aseptic towel;
3. to puncture the preparation before stomach: patient often makes even clinostatism, and the head of a bed is slightly raised; After gastroscope enters stomach, abundant gas injection makes coat of the stomach fully outwards expand; Finger pressure stomach wall finds optimum puncturing point; In point of puncture, local anesthesia is carried out to stomach wall each layer injection local anaesthetics, then with scalpel 0.5cm minimal incision * is done to point of puncture and blunt separation under sarolemma;
4, puncture stomach also sends into twin conductor: under gastroscope monitoring, puncture casing 2 pin is penetrated gastric, exit nook closing member, send into wire to gastral cavity along sleeve pipe 2, under gastroscope, live wire with snare (or biopsy forceps) cover (folder), exit outside patient oral cavity together with scope through esophagus;
5, the twin conductor pulled out from patient's buccal is firmly connected with the coil of stoma head end;
6, place stoma: the wire outside tractive stomach wall, stoma is drawn in gastral cavity through patient oral cavity, has light resistance when the conical head end of stoma is pulled in sleeve pipe, now together pull out stomach wall together with the trocar, until gastric fixed disc is close to coat of the stomach;
7, preferably again enter gastroscope and determine that the correctness of position and coat of the stomach are with or without active hemorrhage;
8, fixing stoma and union joint: fix stoma with supporting fixation clamp, stomach and front stomach wall are close to, and keep suitable elasticity;
9, load and discharge folder fast, cut off stoma tail end, external union joint and complete the process of whole stomach fistulation.
In above-mentioned operation process, step 4-7 is more loaded down with trivial details, higher to technical requirement; And the operation of step 6 carries out under the monitoring of gastroscope useless, therefore not only operation easier, and also dangerous high.
After applying the Multifunction puncture trocar that this utility model provides, the operating process of Percutaneous endoscopic stomach/Jejunostomy is as follows:
1, coil overall length 80 cm of stoma head end, can be made into coil with No. 1 silk thread and lengthen on primary coil;
2, in vitro, first biopsy forceps injected gastroscopic biopsy pipeline and stretch out from gastroscope head, clamping the wire coil that stoma head end lengthens, then setback biopsy pipeline together;
3, the preparation before puncture stomach: patient often makes even clinostatism, and the head of a bed is slightly raised; After gastroscope enters (wire of stoma enters gastral cavity with gastroscope) stomach, fully gas injection makes coat of the stomach fully outwards expand; Finger pressure stomach wall finds optimum puncturing point; In point of puncture, local anesthesia is carried out to stomach wall each layer injection local anaesthetics, then with scalpel 0.5cm minimal incision * is done to point of puncture and blunt separation under sarolemma;
4, puncture stomach, puncture needle 1 head hooks wire casing 12 and hooks loop: under gastroscope monitoring, puncture needle 1 is penetrated gastric together with sleeve pipe 2, biopsy forceps is stretched out in gastroscope, silk thread is hooked with the hook wire casing 12 of puncture needle 1, open biopsy forceps, silk thread slides in wire casing, moves back and exits to external together with wire in puncture needle 1 to sleeve pipe 2;
5, place stoma: the wire outside tractive stomach wall, stoma is drawn in gastral cavity through patient oral cavity, when the conical head end of stoma is pulled in sleeve pipe 2, more together pulls out stomach wall together with sleeve pipe 2, until gastric fixed disc is close to coat of the stomach;
6, determine that the correctness of position and coat of the stomach are with or without active hemorrhage with gastroscope;
7, fixing stoma and union joint: fix stoma with supporting fixation clamp, stomach and front stomach wall are close to, and keep suitable elasticity;
8. load and discharge folder fast, cut off stoma tail end, external union joint and complete the process of whole stomach fistulation.
By the contrast of said process, can find out: compared to prior art, the Multifunction puncture trocar that this utility model provides, be provided with at the tip 11 of puncture needle 1 and hook wire casing 12, in Percutaneous endoscopic stomach/Jejunostomy, not only there is puncture function, and hook wire casing 12 can hook the wire on stoma, exit puncture needle 1 wire also to exit together to external, wire outside tractive stomach wall, stoma is drawn in gastral cavity through patient oral cavity, when the conical head end of stoma is pulled in sleeve pipe 2, together stomach wall is pulled out again together with sleeve pipe 2, until gastric fixed disc is close to coat of the stomach, simplify operative process, and without the need to exiting gastroscope, whole operation technique all carries out under gastroscope monitoring, more safer than traditional operation, in addition, it also avoid and repeat for twice to insert gastroscope, not only reduce operation easier, and decrease the misery of patient.
In the present embodiment, the top of sleeve pipe 2 is provided with edge plate 21, and edge plate 21 is provided with the first ear groove 22, and sleeve pipe 2 is provided with the second ear groove 23, the notch direction of the first ear groove 22 is perpendicular to the notch direction of the second ear groove 23, and the degree of depth of the first ear groove 22 is less than the second ear groove 23; The below of the pin cap 13 of puncture needle 1 is provided with pin ear 14, when pin ear 14 assigns into the first ear groove 22, only the tip 11 of puncture needle 1 leans out from the bottom of sleeve pipe 2, and when pin ear 14 assigns into the second ear groove 23, tip 11 and the hook wire casing 12 of puncture needle 1 all lean out from the bottom of sleeve pipe 2.
When puncture needle 1 pierces through tissue, pin ear 14 assigns into the first ear groove 22, and now only the tip 11 of puncture needle 1 leans out from the bottom of sleeve pipe 2, hooks wire casing 12 and is hidden in sleeve pipe 2, therefore hook wire casing 12 and can not affect piercing process, make puncture needle 1 can pierce through stomach very smoothly; After puncture action completes, puncture needle 1 is first exited the first ear groove 22, then after half-twist, pin ear 14 slides in the second ear groove 23 and continues to insert, and exposes the hook wire casing 12 of puncture needle 1, can hook the wire on stoma with hook wire casing 12.
In the present embodiment, most advanced and sophisticated 11 sides concordant with hooking wire casing 12 opening direction are plane, and its lap at tip 11 is coniform.Specifically, hook wire casing 12 to be made up of oblique slot 121 and the vertical channel 122 that is connected with oblique slot 121.
The tip 11 of said structure and the shape of hook wire casing 12, on the one hand, tissue can be pierced through smoothly in the coniform face of most advanced and sophisticated 11, on the other hand, the plane of most advanced and sophisticated 11, facilitates wire along this planar slide, slipped into by the oblique slot 121 hooking wire casing 12, and finally enter in vertical channel 122.
Certainly, this is only a specific embodiment of the present utility model, the tip 11 of the puncture needle 1 in the present embodiment and the shape of hook wire casing 12 conveniently hook line action, but of the present utility model most advanced and sophisticated 11 and hook the shape of wire casing 12 and be not limited thereto, also can be its shape, hook line action as long as can complete smoothly.
These are only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from this utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a Multifunction puncture trocar, is characterized in that, comprises puncture needle and sleeve pipe, and the bottom of described puncture needle is the tip for piercing through tissue, is provided with hook wire casing above tip, and the top of puncture needle is provided with pin cap; Described puncture needle assigns in sleeve pipe, and the tip of puncture needle and hook wire casing lean out from the bottom of sleeve pipe.
2. the Multifunction puncture trocar according to claim 1, it is characterized in that, the top of described sleeve pipe is provided with edge plate, described edge plate is provided with the first ear groove, described sleeve pipe is provided with the second ear groove, the notch direction of described first ear groove is perpendicular to the notch direction of the second ear groove, and the degree of depth of the first ear groove is less than the second ear groove; The below of the pin cap of described puncture needle is provided with pin ear, and when described pin ear assigns into the first ear groove, only the tip of puncture needle leans out from the bottom of sleeve pipe, and when described pin ear assigns into the second ear groove, tip and the hook wire casing of puncture needle all lean out from the bottom of sleeve pipe.
3. the Multifunction puncture trocar according to claim 1, is characterized in that, the side concordant with hooking wire casing opening direction, described tip is plane, and its most advanced and sophisticated lap is coniform.
4. the Multifunction puncture trocar according to claim 3, is characterized in that, described hook wire casing is made up of oblique slot and the vertical channel that is connected with oblique slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334051.8U CN204671244U (en) | 2015-05-21 | 2015-05-21 | The Multifunction puncture trocar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334051.8U CN204671244U (en) | 2015-05-21 | 2015-05-21 | The Multifunction puncture trocar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204671244U true CN204671244U (en) | 2015-09-30 |
Family
ID=54170975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520334051.8U Expired - Fee Related CN204671244U (en) | 2015-05-21 | 2015-05-21 | The Multifunction puncture trocar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204671244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236209A (en) * | 2016-08-31 | 2016-12-21 | 吴宁 | Get involved percutaneous Gastroenteritic system |
| CN112998788A (en) * | 2020-10-29 | 2021-06-22 | 四川大学 | Suturing instrument for temporomandibular joint disc anchoring operation |
-
2015
- 2015-05-21 CN CN201520334051.8U patent/CN204671244U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236209A (en) * | 2016-08-31 | 2016-12-21 | 吴宁 | Get involved percutaneous Gastroenteritic system |
| CN106236209B (en) * | 2016-08-31 | 2018-09-04 | 吴宁 | Intervene percutaneous Gastroenteritic system |
| CN112998788A (en) * | 2020-10-29 | 2021-06-22 | 四川大学 | Suturing instrument for temporomandibular joint disc anchoring operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150930 Termination date: 20180521 |