CN109171829A - Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs - Google Patents
Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs Download PDFInfo
- Publication number
- CN109171829A CN109171829A CN201811120614.8A CN201811120614A CN109171829A CN 109171829 A CN109171829 A CN 109171829A CN 201811120614 A CN201811120614 A CN 201811120614A CN 109171829 A CN109171829 A CN 109171829A
- Authority
- CN
- China
- Prior art keywords
- seal wire
- outer pipe
- elastic outer
- pass joint
- sample pickup
- 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.)
- Granted
Links
- 210000003445 biliary tract Anatomy 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 title claims abstract description 9
- 239000012943 hotmelt Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 206010058109 Hangnail Diseases 0.000 claims description 2
- 230000003902 lesion Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000001574 biopsy Methods 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007459 endoscopic retrograde cholangiopancreatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
Abstract
The present invention relates to the field of medical instrument technology, more particularly to a kind of molding connection method for the seal wire pass joint for crossing seal wire biliary tract sample pickup tongs and sample pickup tongs, the structure docked using seal wire pass joint (double lumen tube) with elastic outer pipe, one through-hole of seal wire pass joint is across drag-line, to control the work of sample pickup tongs, another through-hole is used to through seal wire, and sample pickup tongs enters lesions position along seal wire, and then samples.Using the structure, the working diameter outside sample pickup tongs can accomplish not change substantially, not high by the working clamp road diametric requirements of scope, and be easier to reach lesions position, reduce patient suffering.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of seal wires for crossing seal wire biliary tract sample pickup tongs and sample pickup tongs
The molding connection method of pass joint.
Background technique
Currently, ERCP operation consent will carry out the biopsy of tissue, since biliary tract is narrow, sample pickup tongs hardly enters biliary tract
Interior, after being generally introduced into biliary tract by seal wire, sample pickup tongs passes through the biliary tract that is directed into of seal wire again, this mode due to seal wire with
Sample pickup tongs be it is separated, inconvenient and accuracy rate is not high, also will affect sampling effect.The hair of Publication No. CN206836909U
Bright patent discloses a kind of biopsy forceps sheath, although being additionally arranged seal wire duct body outside the distal end of sheath, by seal wire duct body and
Sample pickup tongs is combined together, but the diameter of entire biopsy forceps sheath becomes larger, especially distal diameter in 3.3mm or more, it is general in
The internal diameter of sight glass is 2.8mm, and since the diameter of entire biopsy forceps sheath becomes larger, then corresponding endoscope structure will also cooperate change
Change, increases difficulty to the device structure of operation, in addition human body is also not suitable with the biopsy forceps sheath that diameter becomes larger.
Summary of the invention
The technical problem to be solved by the present invention is it is larger in order to solve sample pickup tongs outer diameter in the prior art, it can not adapt to
The operation requirement of high request, brings uncomfortable technical problem to human body, and the present invention, which provides, a kind of to be crossed seal wire biliary tract sample pickup tongs and take
The molding connection method of the seal wire pass joint of sample pincers.
The technical solution adopted by the present invention to solve the technical problems is: a kind of seal wire biliary tract sample pickup tongs excessively, including binding clip,
Binding clip frame, seal wire pass joint, elastic outer pipe, drag-line, boost tube, slip ring and core bar, the binding clip are movably arranged on binding clip frame
The rear end of front end, binding clip frame is fixedly connected with elastic outer pipe front end, and the rear end of elastic outer pipe is connected with the front end of core bar, slip ring
It is slidably fitted on core bar, drag-line is movably interspersed in the elastic outer pipe, and the front end of drag-line is connected with binding clip, drag-line
Rear end be connected with the front end of boost tube, the rear end of boost tube is connected with slip ring, and the seal wire pass joint is fixed at
On elastic outer pipe, the both ends of seal wire pass joint and elastic outer pipe are docked, and are provided with drag-line hole and thread eye on seal wire pass joint, are drawn
It is connected inside rope hole and elastic outer pipe, drag-line runs through drag-line hole, and after seal wire runs through thread eye, seal wire is pierced by the part of thread eye
It is respectively positioned on outside sample pickup tongs, thread eye is arranged along the longitudinal direction.The knot that the present invention uses seal wire pass joint to dock with elastic outer pipe
Structure, seal wire pass joint are plastic part, i.e. seal wire pass joint is located on a certain section of elastic outer pipe, and a through-hole of seal wire pass joint is
Across drag-line, to control the work of sample pickup tongs, another through-hole is used to through seal wire, and sample pickup tongs enters lesions position along seal wire, into
And it samples.Using the structure, the working diameter outside sample pickup tongs can accomplish not change substantially, pass through the working clamp road of scope
Diametric requirements are not high, and are easier to reach lesions position, reduce patient suffering.
Further, specifically, the maximum outside diameter of the seal wire pass joint is D1, and D1 < 2.8mm, D1 are the elastic outer pipe
On maximum outside diameter.Increase cooperation of the seal wire channel diameter in 3.3mm or more, to endoscope in sample pickup tongs front end in the prior art
It is required that very high, inconvenience is widely applied.
Further, in order to guarantee the guide effect of seal wire pass joint passageway silk, the installation site of the seal wire pass joint leaned on
The front end of nearly elastic outer pipe.
Further, preferably, the distance L of the front end of the front end and elastic outer pipe of the seal wire pass joint is 0-50mm.
Further, the seal wire pass joint and elastic outer pipe are docked by the way that hot melting way is fixed.
In order to improve the stability of hot-melt adhesive paste, the end setting that the elastic outer pipe is connected with seal wire pass joint is flexible
Outer pipe connected pipe, the periphery of elastic outer pipe connecting tube are provided with barb structure, and the both ends of seal wire pass joint are sleeved on elastic outer pipe
It simultaneously heats hot melt and is fixedly connected in connecting tube periphery.
When the distance L of the front end of the front end and elastic outer pipe of the seal wire pass joint is 0, the front end of seal wire pass joint and pincers
The rear end of head frame is fixedly connected, and the rear end of seal wire pass joint is fixedly connected with the front end of elastic outer pipe.
The rear end of the binding clip frame is extended with binding clip frame connecting tube, and the periphery of binding clip frame connecting tube is provided with barb structure,
The front end of seal wire pass joint, the front end sleeve of seal wire pass joint are mounted in binding clip frame connecting tube periphery and heat hot melt and be fixedly connected, bullet
The periphery that the front end of property outer tube is extended with elastic outer pipe connecting tube elastic outer pipe connecting tube is provided with barb structure, seal wire pass joint
Rear end cap mounted in elastic outer pipe connecting tube periphery and heat hot melt and be fixedly connected.
Preferably, the outer diameter of the seal wire pass joint is consistent with the outer diameter of elastic outer pipe, thread eye is not located at outside elasticity
Outside pipe, outside the seal wire pass joint and elastic outer pipe or rear end of binding clip frame forms coherent one, and the channel in thread eye is in
Arc communicates outside the two-port and sample pickup tongs of thread eye.
When the outer diameter of seal wire pass joint and the consistent outer diameter of elastic outer pipe, it is a kind of cross seal wire biliary tract sample pickup tongs seal wire connect
Head molding connection method, has following steps:
1) double lumen tube is taken, the double lumen tube is plastic part, and the outer diameter of double lumen tube and the outer diameter of elastic outer pipe are consistent；
2) the double lumen tube tool is there are two axially extending bore, and a through-hole is drag-line hole, and the periphery of double lumen tube is at two close end
It is opened up respectively there are two radial perforation, perforation is connected with another through-hole, passes through core filaments in two perforation, and core filaments are passed through
Another through-hole is worn,
3) double lumen tube in step 2 is heated, so that deformation occurs for another perforative through-hole of core filaments, forms arc
Channel, arc to double lumen tube central concave,
4) after curved channel molding, core filaments are extracted out, curved channel is thread eye.
5) double lumen tube and binding clip frame/elastic outer pipe are heated into heat-melting butt-joint again, docking backstay hole is used to run through drag-line, lead
Wire hole is used to run through seal wire, and the two-port of another through-hole is plugged in docking reflow process.
The invention has the advantages that the of the invention seal wire pass joint for crossing seal wire biliary tract sample pickup tongs and sample pickup tongs at
Type connection method, using the structure of seal wire pass joint and elastic outer pipe heat-melting butt-joint, a through-hole of seal wire pass joint be across
Drag-line, to control the work of sample pickup tongs, another through-hole is used to through seal wire, and sample pickup tongs is directed into lesions position along seal wire,
And then it samples.Using the structure, the working diameter outside sample pickup tongs can accomplish not change, straight by the working clamp road of scope
Diameter is of less demanding, and is easier to reach lesions position, reduces patient suffering.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram that the present invention crosses one seal wire biliary tract sample pickup tongs of embodiment.
Fig. 2 is the structural schematic diagram that the present invention crosses that one seal wire biliary tract sample pickup tongs seal wire of embodiment passes through.
Fig. 3 is the structural schematic diagram that the present invention crosses two seal wire biliary tract sample pickup tongs of embodiment.
Fig. 4 is the structural schematic diagram that the present invention crosses three seal wire biliary tract sample pickup tongs of embodiment.
Fig. 5 is the structural schematic diagram that the present invention crosses example IV seal wire biliary tract sample pickup tongs.
Fig. 6 is the structural schematic diagram that the present invention crosses five double lumen tube of embodiment.
Fig. 7 is the structural schematic diagram that the present invention crosses five seal wire biliary tract sample pickup tongs of embodiment.
In figure: 1, binding clip, 2, binding clip frame, 21, binding clip frame connecting tube, 3, seal wire pass joint, 31, thread eye, 32, drag-line
Hole, 4, elastic outer pipe, 41, elastic outer pipe connecting tube, 5, drag-line, 6, boost tube, 7, slip ring, 8, core bar, 9, seal wire, 11, two-chamber
Pipe, 111, perforation.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As illustrated in fig. 1 and 2, be the embodiment of the present invention one, it is a kind of cross seal wire biliary tract sample pickup tongs, including binding clip 1, binding clip frame 2,
Seal wire pass joint 3, elastic outer pipe 4, drag-line 5, boost tube 6, slip ring 7 and core bar 8, before binding clip 1 is movably arranged on binding clip frame 2
End, the rear end of binding clip frame 2 are fixedly connected with 4 front end of elastic outer pipe, and the rear end of elastic outer pipe 4 is connected with the front end of core bar 8, sliding
Ring 7 is slidably fitted on core bar 8, and drag-line 5 is movably interspersed in elastic outer pipe 4, and the front end of drag-line 5 is connected with binding clip 1,
The rear end of drag-line 5 is connected with the front end of boost tube 6, and the rear end of boost tube 6 is connected with slip ring 7, and the rear end of core bar 8 is provided with
Pull ring, seal wire pass joint 3 are fixed on elastic outer pipe 4, and the both ends of seal wire pass joint 3 and elastic outer pipe 4 dock, and seal wire is logical
It is provided with drag-line hole 32 and thread eye 31 on connector 3, is connected inside drag-line hole 32 and elastic outer pipe 4, drag-line 5 runs through drag-line hole
32, thread eye 31 is located at outside elastic outer pipe 4, and thread eye 31 is arranged along the longitudinal direction.The maximum outside diameter of seal wire pass joint 3 is
D1, D1 < 2.8mm, D1 are the maximum outside diameter on elastic outer pipe 4 (seal wire pass joint 3 and elastic outer pipe 4 form an entirety).It leads
The installation site of silk pass joint 3 is close to the front end of elastic outer pipe 4.The front end of the front end and elastic outer pipe 4 of seal wire pass joint 3 away from
It is 0 < L < 50mm from L.The seal wire pass joint 3 and elastic outer pipe 4 are docked by the way that hot melting way is fixed.
Embodiment two
As shown in figure 3, the difference of embodiment two and embodiment one is, the elastic outer pipe 4 and seal wire pass joint 3 are connected
End be provided with elastic outer pipe connecting tube 41, the periphery of elastic outer pipe connecting tube 41 is provided with barb structure, seal wire pass joint 3
Both ends be sleeved on 41 periphery of elastic outer pipe connecting tube and heat hot melt and be fixedly connected.
Embodiment three
As shown in figure 4, the difference of embodiment three and embodiment one is: L 0, the i.e. front end of seal wire pass joint 3 and binding clip
The rear end of frame 2 directly heats and is fixedly connected, and the rear end of seal wire pass joint 3 is fixedly connected with the front end of elastic outer pipe 4 hot melt.
Example IV
As shown in figure 5, the difference of example IV and embodiment two is: L 0, the i.e. front end of seal wire pass joint 3 and binding clip
The rear end of frame 2 directly heats and is fixedly connected, and the rear end of binding clip frame 2 is extended with binding clip frame connecting tube 21, binding clip frame connecting tube 21
Periphery is provided with barb structure, and the front end of seal wire pass joint 3, the front end sleeve of seal wire pass joint 3 is outside binding clip frame connecting tube 21
Week simultaneously heats hot melt and is fixedly connected, and the front end of elastic outer pipe 4 is extended with 41 elastic outer pipe connecting tube 41 of elastic outer pipe connecting tube
Periphery is provided with barb structure, and the rear end cap of seal wire pass joint 3 mounted in 41 periphery of elastic outer pipe connecting tube and heats hot melt fixation
Connection.
Embodiment five
As shown in Figures 6 and 7, the difference of embodiment five and embodiment one is: the outer diameter and elasticity of the seal wire pass joint 3
The outer diameter of outer tube 4 is consistent, i.e., thread eye 31 does not externally protrude out in elastic outer pipe, and the channel in thread eye 31 is arc-shaped, thread eye 31
It is communicated outside two-port and sample pickup tongs.
The seal wire pass joint that seal wire biliary tract sample pickup tongs is crossed described in a kind of embodiment five forms connection method, and feature exists
In with following steps:
1) double lumen tube 11 is taken, the double lumen tube 11 is plastic part, the outer diameter of double lumen tube 11 and the outer diameter of elastic outer pipe 4
Unanimously；
2) there are two axially extending bores for the tool of double lumen tube 11, and a through-hole is drag-line hole 32, and the periphery of double lumen tube 11 is close
It is opened up respectively at both ends there are two radial perforation 111, perforation 111 is connected with another through-hole, wears in two perforation 111
Core filaments are crossed, and core filaments run through another through-hole,
3) double lumen tube 11 in step 2 is heated, so that deformation occurs for another perforative through-hole of core filaments, forms arc
Shape channel, arc to 11 central concave of double lumen tube,
4) after curved channel molding, core filaments are extracted out, curved channel is thread eye 31.
5) double lumen tube 11 and elastic outer pipe 4 are heated into heat-melting butt-joint again, docking backstay hole 32 is used to run through drag-line 5, lead
Wire hole 31 is used to run through seal wire 9, and the two-port of another through-hole is plugged in docking reflow process.
The seal wire pass joint 3 for crossing seal wire biliary tract sample pickup tongs in embodiment five, can also be logical with seal wire in similar embodiment three
The front end of connector 3 directly heats with the rear end of binding clip frame 2 and is fixedly connected.In embodiment five at the hot-melt adhesive paste of seal wire pass joint 3,
The structure of hangnail can also be added, using the extension connecting tube in similar embodiment four and embodiment two to improve the steady of hot-melt adhesive paste
Solidity.
One through-hole of the structure docked using seal wire pass joint 3 (double lumen tube) with elastic outer pipe 4, seal wire pass joint 3 (is drawn
Rope hole 32) it is across drag-line 5, to control the work of binding clip 1, another through-hole (thread eye 31) is used to through seal wire 9, sample pickup tongs edge
Seal wire 9 is directed into lesions position, and then samples.Working diameter outside sample pickup tongs can accomplish not change substantially, because
For the general diameter for only increasing 1mm or so of thread eye 31 of evagination, the thread eye 31 without evagination is not influence outside sample pickup tongs
The working diameter in portion, the working diameter outside such sample pickup tongs is not high by the diametric requirements in the working clamp road of scope, and
Lesions position is more easily reached, patient suffering is reduced.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of cross seal wire biliary tract sample pickup tongs, it is characterised in that: including binding clip (1), binding clip frame (2), seal wire pass joint (3), bullet
Property outer tube (4), drag-line (5), boost tube (6), slip ring (7) and core bar (8), the binding clip (1) are movably arranged on binding clip frame (2)
The rear end of front end, binding clip frame (2) is fixedly connected with elastic outer pipe (4) front end, before the rear end of elastic outer pipe (4) and core bar (8)
End is connected, and slip ring (7) is slidably fitted on core bar (8), and drag-line (5) is movably interspersed in the elastic outer pipe (4), draws
The front end of rope (5) is connected with binding clip (1), and the rear end of drag-line (5) is connected with the front end of boost tube (6), after boost tube (6)
End is connected with slip ring (7),
The seal wire pass joint (3) is fixed on elastic outer pipe (4), the both ends of seal wire pass joint (3) and elastic outer pipe (4)
It docks, drag-line hole (32) and thread eye (31) is provided on seal wire pass joint (3), drag-line hole (32) and elastic outer pipe (4) are internal
It is connected, drag-line (5) runs through drag-line hole (32), and after seal wire (9) runs through thread eye (31), seal wire (9) is pierced by thread eye (31)
Part is respectively positioned on outside sample pickup tongs, and thread eye (31) is arranged along the longitudinal direction.
2. as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the maximum of the seal wire pass joint (3) is outer
Diameter is D1, and D1 < 2.8mm, D1 are the maximum outside diameter on the elastic outer pipe (4).
3. as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the installation position of the seal wire pass joint (3)
Rest against the front end of nearly elastic outer pipe (4).
4. it is as claimed in claim 3 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the front end of the seal wire pass joint (3) and
The distance L of the front end of elastic outer pipe (4) is 0-50mm.
5. as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: outside the seal wire pass joint (3) and elasticity
(4) are managed to dock by the way that hot melting way is fixed.
6. as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the elastic outer pipe (4) and seal wire connect
The end of head (3) connection is provided with elastic outer pipe connecting tube (41), and the periphery of elastic outer pipe connecting tube (41) is provided with hangnail knot
Structure, the both ends of seal wire pass joint (3) are sleeved on elastic outer pipe connecting tube (41) periphery and heat hot melt and are fixedly connected.
7. it is as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the front end of the seal wire pass joint (3) and
When the distance L of the front end of elastic outer pipe (4) is 0, the front end of seal wire pass joint (3) is fixedly connected with the rear end of binding clip frame (2), is led
The rear end of silk pass joint (3) is fixedly connected with the front end of elastic outer pipe (4).
8. as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the rear end of the binding clip frame (2) is extended with
Binding clip frame connecting tube (21), the periphery of binding clip frame connecting tube (21) are provided with barb structure, and the front end of seal wire pass joint (3) is led
The front end sleeve of silk pass joint (3) is mounted in binding clip frame connecting tube (21) periphery and heats hot melt and is fixedly connected, before elastic outer pipe (4)
The periphery that end is extended with elastic outer pipe connecting tube (41) elastic outer pipe connecting tube (41) is provided with barb structure, seal wire pass joint
(3) rear end cap is mounted in elastic outer pipe connecting tube (41) periphery and heats hot melt and is fixedly connected.
9. it is as described in claim 1 cross seal wire biliary tract sample pickup tongs, it is characterised in that: the outer diameter of the seal wire pass joint (3) and
The outer diameter of elastic outer pipe (4) is consistent, and the channel in thread eye (31) is arc-shaped, outside the two-port and sample pickup tongs of thread eye (31)
It communicates.
10. a kind of seal wire pass joint as claimed in claim 9 for crossing seal wire biliary tract sample pickup tongs forms connection method, feature exists
In with following steps:
1) double lumen tube (11) is taken, the double lumen tube (11) is plastic part, the outer diameter of double lumen tube (11) and elastic outer pipe (4)
Outer diameter is consistent；
2) there are two axially extending bores for double lumen tube (11) tool, and a through-hole is drag-line hole (32), and the periphery of double lumen tube (11) is leaned on
It is opened up respectively at two close end there are two radial perforation (111), perforation (111) is connected with another through-hole, perforates at two
(111) core filaments are passed through in, and core filaments run through another through-hole,
3) double lumen tube (11) in step 2 is heated, so that deformation occurs for another perforative through-hole of core filaments, forms arc
Channel, arc to double lumen tube (11) central concave,
4) after curved channel molding, core filaments are extracted out, curved channel is thread eye (31)
5) heat-melting butt-joint is heated into double lumen tube (11) and binding clip frame (2)/elastic outer pipe (4) again, docking backstay hole (32) is used for
Through drag-line (5), thread eye (31) is used to run through seal wire (9), and the two-port of another through-hole is blocked in docking reflow process
Firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120614.8A CN109171829B (en) | 2018-09-26 | 2018-09-26 | Forming connection method of guide wire through joint of guide wire biliary tract sampling forceps and sampling forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120614.8A CN109171829B (en) | 2018-09-26 | 2018-09-26 | Forming connection method of guide wire through joint of guide wire biliary tract sampling forceps and sampling forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109171829A true CN109171829A (en) | 2019-01-11 |
| CN109171829B CN109171829B (en) | 2024-04-16 |
Family
ID=64910018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811120614.8A Active CN109171829B (en) | 2018-09-26 | 2018-09-26 | Forming connection method of guide wire through joint of guide wire biliary tract sampling forceps and sampling forceps |
Country Status (1)
| Country | Link |
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| CN (1) | CN109171829B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115416320A (en) * | 2022-11-02 | 2022-12-02 | 常州凯士多医疗科技有限公司 | Sampling forceps conveying system and feeding method |
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