CN206792722U - A kind of minimally invasive biliary stent applied to liver transplantation - Google Patents
A kind of minimally invasive biliary stent applied to liver transplantation Download PDFInfo
- Publication number
- CN206792722U CN206792722U CN201720088463.7U CN201720088463U CN206792722U CN 206792722 U CN206792722 U CN 206792722U CN 201720088463 U CN201720088463 U CN 201720088463U CN 206792722 U CN206792722 U CN 206792722U
- Authority
- CN
- China
- Prior art keywords
- connecting pin
- minimally invasive
- liver transplantation
- biliary stent
- communicating pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of minimally invasive biliary stent applied to liver transplantation, including T-shaped component and puncture guidance part, the puncture guidance part is fixed on the T-shaped component, the T-shaped component includes the first communicating pipe and the second communicating pipe, second communicating pipe includes connecting pin bores, the connecting pin bores is located at one end of second communicating pipe, the other end of second communicating pipe is communicated in the middle and lower part of the first communicating pipe, the puncture guidance part includes connecting pin, puncture lead segment and piercing needle, described one end for puncturing lead segment is connecting pin, the other end is piercing needle, the connecting pin is fixedly connected with connecting pin bores, the piercing needle includes penetrating portion and guidance part, the length of the piercing needle is 0.7 1.6cm.
Description
Technical field
The utility model belongs to technical field of medical equipment, and in particular to a kind of minimally invasive courage applied to liver transplantation
Road drainage tube.
Background technology
Conventional biliary stent is formed by connecting by vertical tube and horizontal tube, be T-shaped structure, body carry can X-ray show
The mark line of shadow, length mark is labeled with vertical tube.Product is according to vertical tube and horizontal tube caliber different demarcation specification, by curing
With silastic material it is extruded, vulcanization, bonding form, can developing to for X-ray developing mark line be divided into barium sulfate.Biliary stent
It is usually used in the operations such as calculus is removed, bile is discharged.
Biliary stent of the prior art, there is following technical problem not solve in use：
1st, need first to cut biliary tract wall during operation and carry out catheter drainage operation again, add operation technique stream
Journey, extend operation time；
2nd, need first to cut biliary tract wall during operation and carry out catheter drainage operation again, this damage to patient's biliary tract wall
Hinder it is larger, and be possible to damage biliary tract supply blood vessel, influence biliary anastomosis mouth blood supply and healing.
3rd, seepage of bile can be caused by cutting biliary tract wall wound and drainage tube mismatch.
Based on as above problem, the utility model provides a kind of minimally invasive biliary stent applied to liver transplantation, with
Overcome defect present in above-mentioned prior art.
Utility model content
A kind of minimally invasive biliary stent applied to liver transplantation, including T-shaped component and puncture guidance part, it is described to wear
Thorn guidance part is fixed on the T-shaped component, and the T-shaped component includes the first communicating pipe and the second communicating pipe, and described second connects
Siphunculus includes connecting pin bores, and the connecting pin bores is located at one end of second communicating pipe, the other end of second communicating pipe
The middle and lower part of the first communicating pipe is communicated in, the puncture guidance part includes connecting pin, punctures lead segment and piercing needle, described to wear
The one end for piercing lead segment is connecting pin, and the other end is piercing needle, and the connecting pin is fixedly connected with connecting pin bores, the puncture
Syringe needle includes penetrating portion and guidance part, and the length of the piercing needle is 0.7-1.6cm.
Further, the length for puncturing lead segment is 8-10cm, a diameter of 8f-12f for puncturing lead segment.
Further, the puncture lead segment includes linkage section and bending section, between the linkage section and the bending section
Angle be 110-130 °.
Further, it is raised that anticreep is also included on the connecting pin, the raised surface for being located at the connecting pin of the anticreep.
Further, the length of the piercing needle is 0.8cm.
Further, the T-shaped component is latex material, and the puncture lead segment is stainless steel, the connecting pin
It is interference fitted with connecting pin bores, external diameter is consistent after combination.
Further, the length of first communicating pipe is 6cm, and the length of second communicating pipe is 40cm, and the two connects
1/3 opening position of the logical position in the first connection length of tube.
Further, the angle between the linkage section and the bending section is 120 °.
Further, section in smoothing junction is also included between the linkage section and the bending section.
Further, the length of the linkage section is 6cm.
Compared with prior art, superior effect of the present utility model is：
1st, the minimally invasive biliary stent described in the utility model applied to liver transplantation, by that will penetrate portion and lead
The portion of drawing is arranged to integral type, makes to penetrate and cut the process simplification of biliary tract catheter drainage.
2nd, the minimally invasive biliary stent described in the utility model applied to liver transplantation, by that will penetrate portion and lead
The portion of drawing is arranged to integral type, reduces the wound to patient's biliary tract wall.
3rd, the minimally invasive biliary stent described in the utility model applied to liver transplantation, set by the way that anticreep is raised
Put, make the combination of T-shaped component and puncture guidance part closer, it is difficult for drop-off, and external diameter is consistent, prevents seepage of bile.
4th, the minimally invasive biliary stent described in the utility model applied to liver transplantation, passes through section in smoothing junction
Set, make damage of the puncture lead segment to biliary tract tissue around slight.
Brief description of the drawings
Fig. 1 is the structural representation of the minimally invasive biliary stent described in the utility model applied to liver transplantation；
Fig. 2 is the structural representation of puncture lead segment described in the utility model.
Reference is as follows：
1-T types component, the communicating pipes of 11- first, the communicating pipes of 12- second, 121- connecting pin bores, 2- puncture guidance part, 21- companies
Pin, 211- anticreeps are raised, 22- punctures lead segment, 221- linkage sections, 222- bending sections, 223- smooth connections section, 23- are punctured
Syringe needle, 231- penetrate portion, 232- guidance parts.
Embodiment
The utility model embodiment is described in further detail below.
As described in Figure 1, a kind of minimally invasive biliary stent applied to liver transplantation, including T-shaped component 1 and puncture
Guidance part 2, the puncture guidance part 2 are fixed on the T-shaped component 1, and the T-shaped component 1 includes the first communicating pipe 11 and the
Two communicating pipes 12, include connecting pin bores 121 second communicating pipe 12, the connecting pin bores 121 is located at second communicating pipe
12 one end, the other end of second communicating pipe 12 are communicated in the middle and lower part of the first communicating pipe 11, and the puncture guidance part 2 wraps
Include connecting pin 21, puncture lead segment 22 and piercing needle 23, described one end for puncturing lead segment 22 is connecting pin 21, and the other end is
Piercing needle 23, the connecting pin 21 are fixedly connected with connecting pin bores 121, and the piercing needle 23 includes penetrating portion 231 and led
Draw portion 232, the length of the piercing needle 23 is 0.7-1.6cm.
Further, the length for puncturing lead segment 22 is 8-10cm, a diameter of 8f- for puncturing lead segment 22
12f。
Further, the puncture lead segment 22 includes linkage section 221 and bending section 222, the linkage section 221 and described
Angle between bending section 222 is 110-130 °.
Further, anticreep projection 211 is also included on the connecting pin 21, the anticreep projection 211 is located at the connection
The surface of pin 21.
Further, the length of the piercing needle 23 is 0.8cm.
Further, the T-shaped component 1 is latex material, and the puncture lead segment 22 is stainless steel, the connection
Pin 21 is interference fitted with connecting pin bores 121, and external diameter is consistent with entirety after connection.
Further, the length of first communicating pipe 11 is 6cm, and the length of second communicating pipe 12 is 40cm, two
1/3 opening position of person's communicating position in the length of the first communicating pipe 11.
Further, the angle between the linkage section 221 and the bending section 222 is 120 °.
Further, section 223 in smoothing junction is also included between the linkage section 221 and the bending section 222.
Further, the length of the linkage section 221 is 6cm.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of minimally invasive biliary stent applied to liver transplantation, including T-shaped component and puncture guidance part, the puncture
Guidance part is fixed on the T-shaped component, and the T-shaped component includes the first communicating pipe and the second communicating pipe, second connection
Pipe includes connecting pin bores, and the connecting pin bores is located at one end of second communicating pipe, and the other end of second communicating pipe connects
The middle and lower part of the first communicating pipe is passed through, the puncture guidance part includes connecting pin, punctures lead segment and piercing needle, the puncture
One end of lead segment is connecting pin, and the other end is piercing needle, and the connecting pin is fixedly connected with connecting pin bores, and its feature exists
In the piercing needle includes penetrating portion and guidance part, and the length of the piercing needle is 0.7-1.6cm.
2. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that described to wear
The length for piercing lead segment is 8-10cm, a diameter of 8f-12f for puncturing lead segment.
3. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that described to wear
Thorn lead segment includes linkage section and bending section, and the angle between the linkage section and the bending section is 110-130 °.
4. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that the company
It is raised also to include anticreep in pin, the raised surface for being located at the connecting pin of the anticreep.
5. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that described to wear
The length of pricker head is 0.8cm.
6. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that the T
Type component is latex material, and the puncture lead segment is stainless steel, and the connecting pin is interference fitted with connecting pin bores.
7. the minimally invasive biliary stent according to claim 1 applied to liver transplantation, it is characterised in that described
The length of a connecting pipe is 6cm, and the length of second communicating pipe is 40cm, and the two communicating position is in the first connection length of tube
1/3 opening position.
8. the minimally invasive biliary stent according to claim 3 applied to liver transplantation, it is characterised in that the company
It is 120 ° to connect the angle between section and the bending section.
9. the minimally invasive biliary stent applied to liver transplantation according to claim 3 or 8, it is characterised in that institute
Stating also includes section in smoothing junction between linkage section and the bending section.
10. the minimally invasive biliary stent according to claim 9 applied to liver transplantation, it is characterised in that described
The length of linkage section is 6cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088463.7U CN206792722U (en) | 2017-01-20 | 2017-01-20 | A kind of minimally invasive biliary stent applied to liver transplantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088463.7U CN206792722U (en) | 2017-01-20 | 2017-01-20 | A kind of minimally invasive biliary stent applied to liver transplantation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206792722U true CN206792722U (en) | 2017-12-26 |
Family
ID=60728243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720088463.7U Expired - Fee Related CN206792722U (en) | 2017-01-20 | 2017-01-20 | A kind of minimally invasive biliary stent applied to liver transplantation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206792722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492099A (en) * | 2023-06-16 | 2023-07-28 | 昆明市第一人民医院 | Method for establishing rat tree shrew xenogeneic in-situ liver transplantation model |
-
2017
- 2017-01-20 CN CN201720088463.7U patent/CN206792722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492099A (en) * | 2023-06-16 | 2023-07-28 | 昆明市第一人民医院 | Method for establishing rat tree shrew xenogeneic in-situ liver transplantation model |
| CN116492099B (en) * | 2023-06-16 | 2023-09-15 | 昆明市第一人民医院 | Bile duct puncture outfit for rat tree shrew xenogeneic in-situ liver transplantation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |