CN208755950U - Choledochoscope guide device under a kind of laparoscope - Google Patents
Choledochoscope guide device under a kind of laparoscope Download PDFInfo
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- CN208755950U CN208755950U CN201820665314.7U CN201820665314U CN208755950U CN 208755950 U CN208755950 U CN 208755950U CN 201820665314 U CN201820665314 U CN 201820665314U CN 208755950 U CN208755950 U CN 208755950U
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- pipeline section
- guiding
- choledochoscope
- laparoscope
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Abstract
The utility model discloses choledochoscope guide devices under a kind of laparoscope, belong to the field of medical instrument technology.Choledochoscope guide device under a kind of laparoscope of the utility model, including guide pipe, the guide pipe is formed by being sequentially connected 3 logical pipeline sections, it is respectively oriented to beginning pipeline section, pipeline section and is oriented to last pipeline section in guiding, the nose end of the guiding beginning pipeline section is provided with the sealing cap that may pass through choledochoscope, and pipeline section is bending deformed bellows piece in guiding.Using choledochoscope guide device under a kind of laparoscope of the utility model, the utility model structure is simple, easily fabricated, easy to use；Channel in guide pipe is the channel of choledochoscope disengaging, and choledochoscope is passed in and out out of guide pipe, and avoiding problems choledochoscopes to rub repeatedly with tissue, reduces the abrasion of choledochoscope rubber, improves the service life of choledochoscope.
Description
Technical field
The utility model relates to choledochoscope guide devices under a kind of laparoscope, belong to the field of medical instrument technology.
Background technique
Laparoscopic common bile duct exploration, when taking stone and taking tissue pathology checking, choledochoscope is the equipment that must be used, biliary tract
Mirror enters in bile duct after entering the abdominal cavity of human body through bile duct notch.Since choledochoscope is soft lens, choledochoscope enters the abdominal cavity of human body
After be easily bent, and when choledochoscope interts repeatedly into human body, will generate friction with tissue, and choledochoscope rubber is easy to be ground
Damage, influences the service life of choledochoscope.
Summary of the invention
The goal of the invention of the utility model is: in view of the above problems, providing choledochoscope under a kind of laparoscope and draws
Device is led, the guide device of the utility model has the channel for choledochoscope disengaging, reduces the abrasion of choledochoscope rubber, improves
The service life of choledochoscope.
The technical solution adopted in the utility model is as follows:
Choledochoscope guide device under a kind of laparoscope, including guide pipe, the guide pipe is by being sequentially connected 3 logical pipeline section groups
At, respectively guiding beginning pipeline section, pipeline section and be oriented to last pipeline section in guiding, the nose end of the guiding beginning pipeline section, which is provided with, may pass through
The sealing cap of choledochoscope, pipeline section is bending deformed bellows piece in guiding.
When choledochoscope guide device under the laparoscope of the utility model is placed in human abdominal cavity, it is oriented to the nose end of beginning pipeline section
Outside abdominal cavity, the part (or whole) of pipeline section and the last pipeline section of guiding are inserted into bile duct through bile duct notch in guiding, guide pipe
Interior channel is the channel of choledochoscope disengaging, and choledochoscope is passed in and out out of guide pipe, and avoiding problems choledochoscopes and tissue
It rubs repeatedly, reduces the abrasion of choledochoscope rubber, improve the service life of choledochoscope.Specifically, choledochoscope passes through sealing cap
Enter in bile duct by pipeline section, the last pipeline section of guiding in guiding beginning pipeline section, guiding afterwards.It is oriented between beginning pipeline section inner wall and choledochoscope
Gap is sealed by sealing cap, can sealing liquid, remain preferable hydraulic.Pipeline section is bending deformed bellows piece in guiding,
It is conveniently adjusted the locality for being oriented to last pipeline section.
Choledochoscope guide device under a kind of laparoscope of the utility model, the outer diameter D 1 and guiding of the guiding beginning pipeline section
The outer diameter D 3 of last pipeline section is less than the outer diameter D 2 of pipeline section in guiding；The internal diameter of pipeline section in the internal diameter d1 for being oriented to beginning pipeline section, guiding
D2 and the internal diameter d3 for being oriented to last pipeline section are equal.That is, D1 < D2, D3 < D2, d1=d2=d3.The purpose of the design is, due to
Pipeline section is bellows piece in guiding, and D2 is larger compared with D1, D3, and bellows piece is fitted close with bile duct inner wall,
Increase the frictional force between bellows piece and bile duct, make to be oriented to last pipeline section and be capable of fixing in bile duct, effectively avoids guide pipe
It is mobile, while being also avoided that in bile duct that liquid is flow to intraperitoneal through bile duct notch.
Further, D1 7mm-9mm, D2 8mm-10mm, D3 7mm-9mm；D1, d2, d3 6mm-8mm.Obviously
, the outer diameter of each pipeline section is greater than internal diameter.
The length L1 of choledochoscope guide device under a kind of laparoscope of the utility model, the guiding beginning pipeline section is 100mm-
120mm, the length L2 of pipeline section is 30mm-50mm in guiding, and the length L3 for being oriented to last pipeline section is 10mm-20mm.
Choledochoscope guide device under a kind of laparoscope of the utility model, the nose end for being oriented to last pipeline section is angle.
Convenient for being oriented to last pipeline section through in bile duct notch insertion bile duct.
Further, the high point of the angle and low spot distance b≤10mm.
Choledochoscope guide device under a kind of laparoscope of the utility model pipeline section and is led in the guiding beginning pipeline section, guiding
It is made into integration to form guide pipe to last pipeline section.
Choledochoscope guide device under a kind of laparoscope of the utility model, the nose end outer wall setting of the guiding beginning pipeline section
There is boss.The design of boss can be avoided guide pipe and fall into human abdominal cavity.
Choledochoscope guide device under a kind of laparoscope of the utility model, the guiding beginning pipeline section outer wall are provided with for connecting
The liquid injection pipe of infusion apparatus is connect, the nose end of liquid injection pipe connection guiding beginning pipeline section and close guiding beginning pipeline section.It is needing to bile duct
When interior injection liquid, have benefited from the design of liquid injection pipe, without extracting choledochoscope out of guide pipe.At this point, only need to be by infusion apparatus
It is connected with liquid injection pipe, after liquid enters guide pipe from liquid injection pipe, the gap between choledochoscope and guide pipe is flowed into bile duct, no
The service aisle of choledochoscope is occupied, it is very convenient.
Further, the nose end of the liquid injection pipe is removably equipped with the pipe cap for sealing liquid injection pipe.Need to
In bile duct when injection liquid, liquid needed for infusion apparatus injects can be connected by removing pipe cap；When not needing to inject liquid into bile duct,
Pipe cap is assembled into the nose end in liquid injection pipe, to realize the fluid injection seal of tube.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
Choledochoscope guide device under a kind of laparoscope of the utility model, the utility model structure is simple, easily fabricated, makes
With conveniently；Channel in guide pipe is the channel of choledochoscope disengaging, and choledochoscope is passed in and out out of guide pipe, and avoiding problems biliary tracts
Mirror rubs repeatedly with tissue, reduces the abrasion of choledochoscope rubber, improves the service life of choledochoscope.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of choledochoscope guide device under laparoscope.
Marked in the figure: in 1- guide pipe, 11- guiding beginning pipeline section, 12- guiding pipeline section, 13- be oriented to last pipeline section, 131- angle,
The outer diameter of pipeline section, D3- are oriented to last pipeline section during 2- sealing cap, 3- liquid injection pipe, 4- pipe cap, D1- are oriented to the outer diameter of beginning pipeline section, D2- is oriented to
Outer diameter, the outer diameter of D4- boss, the internal diameter of d1- guiding beginning pipeline section, the internal diameter of pipeline section, d3- are oriented to last pipeline section in d2- guiding
The length of pipeline section, L3- are oriented to the length of last pipeline section during internal diameter, the internal diameter of d4- sealing cap, L1- are oriented to the length of beginning pipeline section, L2- is oriented to
Degree, b- angle high point at a distance from low spot, the nose end of e- liquid injection pipe be oriented to beginning pipeline section outer wall at a distance from.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, choledochoscope guide device under a kind of laparoscope of the present embodiment, including guide pipe 1, the guide pipe 1
Be made of 3 pipeline sections for being sequentially connected logical, respectively guiding beginning pipeline section 11, pipeline section 12 and be oriented to last pipeline section 13 in guiding, it is described
The nose end of guiding beginning pipeline section 11 is provided with the sealing cap 2 that may pass through choledochoscope, and pipeline section 12 is bending deformed ripple in guiding
Pipeline section.
By (guide pipe 1 can be stabbed from stomach wall when choledochoscope guide device merging human abdominal cavity under the laparoscope of the utility model
Hole or Trocar are placed in abdominal cavity), the nose end of guiding beginning pipeline section 11 is located at outside abdominal cavity, the part (or whole) of pipeline section 12 in guiding
And last pipeline section 13 is oriented to through in bile duct notch insertion bile duct, the channel in guide pipe 1 is the channel of choledochoscope disengaging, biliary tract
Mirror is passed in and out out of guide pipe 1, and avoiding problems choledochoscopes to rub repeatedly with tissue, reduces the abrasion of choledochoscope rubber,
Improve the service life of choledochoscope.Specifically, choledochoscope pass through sealing cap 2 after by guiding beginning pipeline section 11, guiding in pipeline section 12,
Last pipeline section 13 is oriented to enter in bile duct.Gap between guiding 11 inner wall of beginning pipeline section and choledochoscope is sealed by sealing cap 2, can be closed
Liquid remains preferable hydraulic.Pipeline section 12 is bending deformed bellows piece in guiding, is conveniently adjusted and is oriented to last pipeline section 13
Locality.It will be evident that the nose end of guiding beginning pipeline section 11 is to be oriented to that one end of beginning pipeline section 11 far from pipeline section 12 in guiding.It can
Selective, the sealing cap 2 is annular shape, to pass through choledochoscope；Further, 2 internal diameter d4 of sealing cap is 4mm-5mm；Into one
Step, sealing cap 2 is made of medical silica-gel.Alternative, sealing cap 2 is filled in the nozzle of guiding beginning pipeline section 11；Or, sealing cap 2
It is sleeved on the nose end of guiding beginning pipeline section 11.
Further optimization based on the present embodiment, in another embodiment, it is described guiding beginning pipeline section 11 outer diameter D 1 with
And it is oriented to outer diameter D 2 of the outer diameter D 3 less than pipeline section 12 in guiding of last pipeline section 13；The internal diameter d1 of the guiding beginning pipeline section 11, guiding
The internal diameter d2 of middle pipeline section 12 and the internal diameter d3 for being oriented to last pipeline section 13 are equal.That is, D1 < D2, D3 < D2, d1=d2=d3.The design
Purpose be that, since pipeline section 12 is bellows piece in guiding, and D2 is larger compared with D1, D3, enable bellows piece with
Bile duct inner wall is fitted close, and increases the frictional force between bellows piece and bile duct, is made to be oriented to last pipeline section 13 and is capable of fixing in bile duct
It is interior, it is mobile effectively to avoid guide pipe 1, while being also avoided that in bile duct that liquid is flow to intraperitoneal through bile duct notch.Preferably, D1
=D3。
Further, in another embodiment, D1 7mm-9mm, D2 8mm-10mm, D3 7mm-9mm；d1,d2,d3
For 6mm-8mm.It will be evident that the outer diameter of each pipeline section is greater than internal diameter.In one embodiment, D1=7mm, D2=8mm, D3=
7mm；d1=d2=d3=6mm.In another embodiment, D1=8mm, D2=9mm, D3=8mm；d1=d2=d3=7mm.In another implementation
In example, D1=9mm, D2=10mm, D3=9mm；d1=d2=d3=8mm.
Further optimization based on the present embodiment, in another embodiment, the length L1 of the guiding beginning pipeline section 11 is
100mm-120mm, the length L2 of pipeline section 12 is 30mm-50mm in guiding, and the length L3 for being oriented to last pipeline section 13 is 10mm-20mm.
In one embodiment, L1=100mm, L2=50mm, L3=10mm.In another embodiment, L1=110mm, L2=40mm, L3=
15mm.In another embodiment, L1=120mm, L2=30mm, L3=20mm.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 1, guiding end pipeline section 13
Nose end be angle 131.Convenient for being oriented to last pipeline section 13 through in bile duct notch insertion bile duct.It will be evident that being oriented to last pipeline section 13
Nose end is to be oriented to that one end of last pipeline section 13 far from pipeline section 12 in guiding.
Further, in another embodiment, the high point of the angle 131 and low spot distance b≤10mm.Preferably,
In one embodiment, b=5mm.
Further optimization based on the present embodiment, in another embodiment, pipeline section in the guiding beginning pipeline section 11, guiding
12 are made into integration to form guide pipe 1 with last pipeline section 13 is oriented to.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 1, the guiding beginning pipeline section 11
Nose end outer wall be provided with boss 111.The design of boss 111 can be avoided guide pipe 1 and fall into human abdominal cavity.For choosing
It selects, boss 111 is annular in shape, and further, the outer diameter D 4 of boss 111 is 10mm-12mm；Preferably, boss 111 and guiding
Beginning pipeline section 11 is made into integration.
Further optimization based on the present embodiment, in another embodiment, as shown in Figure 1, the guiding beginning pipeline section 11
Outer wall is provided with the liquid injection pipe 3 for connecting infusion apparatus, the liquid injection pipe 3 connection guiding beginning pipeline section 11 and close guiding beginning pipeline section 11
Nose end.When needing to inject liquid into bile duct, have benefited from the design of liquid injection pipe 3, is not necessarily to choledochoscope out of guide pipe 1
It extracts.At this point, only infusion apparatus need to be connected with liquid injection pipe 3, after liquid is from liquid injection pipe 3 into guide pipe 1, from choledochoscope and guiding
Gap between pipe 1 flows into bile duct, is not take up the service aisle of choledochoscope, very convenient.Preferably, the liquid injection pipe 3
Nose end and guiding 11 outer wall distance e≤0.5mm of beginning pipeline section.Preferably, liquid injection pipe 3 and guiding 11 1 system of beginning pipeline section
At.
Further, in another embodiment, as shown in Figure 1, the nose end of the liquid injection pipe 3 removably assemble it is useful
In the pipe cap 4 of sealing liquid injection pipe.When needing to inject liquid into bile duct, liquid needed for infusion apparatus injects can be connected by removing pipe cap 4
Body；When not needing to inject liquid into bile duct, by the assembly of pipe cap 4 in the nose end of liquid injection pipe 3, liquid injection pipe 3 is sealed with realizing.
It will be evident that the nose end of liquid injection pipe 3 is that one end of liquid injection pipe 3 far from guiding beginning pipeline section 11.Alternative, pipe cap 4 is set with
In the nose end of liquid injection pipe 3；Or, pipe cap 4 is filled in the nozzle of liquid injection pipe 3.
Specific action process based on the various embodiments described above, in one embodiment, specifically give one it is optional
Choledochoscope guide device under the laparoscope of specification.Wherein, D1=8mm, D2=9mm, D3=8mm, d1=d2=d3=6mm, L1=100mm,
L2=50mm, L3=20mm, b=5mm, D4=11mm, d4=4.5mm, e=0.5mm.In the present embodiment, choledochoscope passes in and out guide pipe 1
Outer tube diameter is 4.5mm, and choledochoscope guide device can be used alone under the laparoscope of the design；It is 10mm that specification, which can also be cooperated,
Or the Trocar of 12mm is used.
In conclusion structure is simple, is easy to make using choledochoscope guide device under a kind of laparoscope of the utility model
It makes, it is easy to use；Channel in guide pipe is the channel of choledochoscope disengaging, and choledochoscope passes in and out out of guide pipe, this it is avoided that
Choledochoscope rubs repeatedly with tissue, reduces the abrasion of choledochoscope rubber, improves the service life of choledochoscope.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. choledochoscope guide device under a kind of laparoscope, it is characterised in that: including guide pipe (1), the guide pipe (1) is by successively phase
Pipeline section (12) and the last pipeline section (13) of guiding, described to lead in 3 pipeline sections composition of connection, respectively guiding beginning pipeline section (11), guiding
The sealing cap (2) that may pass through choledochoscope is provided with to the nose end of beginning pipeline section (11), pipeline section (12) is bending deformed in guiding
Bellows piece.
2. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the guiding beginning pipeline section
(11) outer diameter D 3 of the last pipeline section (13) of outer diameter D 1 and guiding is less than the outer diameter D 2 of pipeline section (12) in guiding；The guiding begins to manage
In the section internal diameter d1 of (11), guiding the internal diameter d2 of pipeline section (12) and be oriented to last pipeline section (13) internal diameter d3 it is equal.
3. choledochoscope guide device under a kind of laparoscope as claimed in claim 2, it is characterised in that: D1 7mm-9mm, D2 are
8mm-10mm, D3 7mm-9mm；D1, d2, d3 6mm-8mm.
4. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the guiding beginning pipeline section
(11) length L1 is 100mm-120mm, and the length L2 of pipeline section (12) is 30mm-50mm in guiding, is oriented to last pipeline section (13)
Length L3 is 10mm-20mm.
5. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the last pipeline section of the guiding
(13) nose end is angle (131).
6. choledochoscope guide device under a kind of laparoscope as claimed in claim 5, it is characterised in that: the angle (131)
High point and low spot distance b≤10mm.
7. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the guiding beginning pipeline section
(11), pipeline section (12) and the last pipeline section (13) of guiding are made into integration to form guide pipe (1) in guiding.
8. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the guiding beginning pipeline section
(11) nose end outer wall is provided with boss (111).
9. choledochoscope guide device under a kind of laparoscope as described in claim 1, it is characterised in that: the guiding beginning pipeline section
(11) outer wall is provided with the liquid injection pipe (3) for connecting infusion apparatus, the liquid injection pipe (3) connection guiding beginning pipeline section (11) and close to leading
To the nose end of beginning pipeline section (11).
10. choledochoscope guide device under a kind of laparoscope as claimed in claim 9, it is characterised in that: the liquid injection pipe (3)
Nose end is removably equipped with the pipe cap (4) for sealing liquid injection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665314.7U CN208755950U (en) | 2018-05-07 | 2018-05-07 | Choledochoscope guide device under a kind of laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820665314.7U CN208755950U (en) | 2018-05-07 | 2018-05-07 | Choledochoscope guide device under a kind of laparoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208755950U true CN208755950U (en) | 2019-04-19 |
Family
ID=66126034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820665314.7U Expired - Fee Related CN208755950U (en) | 2018-05-07 | 2018-05-07 | Choledochoscope guide device under a kind of laparoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208755950U (en) |
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2018
- 2018-05-07 CN CN201820665314.7U patent/CN208755950U/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: 20190419 Termination date: 20200507 |