CN206836909U - Biopsy forceps sheath - Google Patents
Biopsy forceps sheath Download PDFInfo
- Publication number
- CN206836909U CN206836909U CN201621382924.3U CN201621382924U CN206836909U CN 206836909 U CN206836909 U CN 206836909U CN 201621382924 U CN201621382924 U CN 201621382924U CN 206836909 U CN206836909 U CN 206836909U
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- CN
- China
- Prior art keywords
- biopsy forceps
- sheath
- way piece
- seal wire
- wire duct
- 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.)
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Abstract
The utility model discloses a kind of biopsy forceps sheath, it includes：Sheath, the apparatus intervention passage that can penetrate biopsy forceps is provided with the sheath；Seal wire duct body, on the outer wall for the close end that seal wire duct body is arranged on sheath, the seal wire duct axially through seal wire duct body is provided with the body of the seal wire duct.It can facilitate sample pickup tongs being sent into biliary tract by the utility model and be sampled biopsy, it is very easy to use.
Description
Technical field
A kind of biopsy forceps sheath is the utility model is related to, belongs to medical instruments field.
Background technology
At present, ERCP operation consents will carry out the biopsy of tissue, and because biliary tract is narrow, biopsy forceps hardly enters biliary tract
It is interior, biopsy is carried out to tissue, urgent need is a kind of can to guide biopsy forceps to enter biliary tract or the apparatus of other slypes.
The content of the invention
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of biopsy forceps sheath,
It can facilitate sample pickup tongs being sent into biliary tract by it and be sampled biopsy, it is very easy to use.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of biopsy forceps sheath, it includes：
Sheath, the apparatus intervention passage that can penetrate biopsy forceps is provided with the sheath；
Seal wire duct body, on the outer wall for the close end that seal wire duct body is arranged on sheath, in the body of the seal wire duct
It is provided with the seal wire duct axially through seal wire duct body.
Liquid is injected further for convenient, biopsy forceps sheath also includes three-way piece, is provided with the three-way piece straight-through
Road, liquid injection port is provided with the three-way piece, the liquid injection port is connected with straight channel, the apparatus intervention passage and straight channel
Near-end be connected.
The attachment structure of a kind of three-way piece and sheath is further provided, sheath is provided with the near-end of the three-way piece
Pipe, the distal portion of the sheath are stretched into the protecting pipe.
Further, biopsy forceps sheath also includes lock sleeve, and the lock sleeve is arranged on the distal portion of the three-way piece, and
The duct being connected with straight channel is provided with the lock sleeve.
The attachment structure of a kind of lock sleeve and the three-way piece is further provided, the lock sleeve, which has, stretches into part,
The distal portion of the three-way piece is provided with stepped hole, and the part of stretching into is stretched into the stepped hole of the three-way piece.
Further for preventing liquid outflow, between the axial step face of the axial end for stretching into part and stepped hole
It is provided with sealing ring.
The attachment structure of more specifical lock sleeve and the three-way piece is further provided, the lock sleeve has locking
Part, the distal portion of the three-way piece are provided with the card convex projected radially outward, and the lock portion is provided with neck, when described
When lock sleeve is arranged on the distal portion of the three-way piece, the card convex is embedded in the neck.
After employing above-mentioned technical proposal, seal wire is first inserted in biliary tract, then the seal wire duct of this biopsy forceps is along leading
Silk enters biliary tract, and then biopsy forceps enters biliary tract by apparatus intervention passage 21 again, carries out the biopsy of tissue, of the present utility model
Contain sealing ring and liquid injection port at three-way piece, when carrying out fluid injection operation, sealing ring plays sealing function, prevents liquid outflow,
The utility model simultaneously not only limits the use of the operation in biopsy forceps, can be also used for the fast exchange of other ERCP apparatuses.
Brief description of the drawings
Fig. 1 is the structural representation of biopsy forceps sheath of the present utility model；
Fig. 2 is the schematic diagram that lock sleeve of the present utility model is connected with three-way piece.
Embodiment
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail to the utility model.
As shown in Figure 1, 2, a kind of biopsy forceps sheath, it includes：
Sheath 2, the apparatus intervention passage 21 that can penetrate biopsy forceps is provided with the sheath 2；
Seal wire duct body 1, on the outer wall for the close end that seal wire duct body 1 is arranged on sheath 2, seal wire duct body
The seal wire duct 11 axially through seal wire duct body is provided with 1.
Biopsy forceps sheath also includes three-way piece 5, and straight channel 51 is provided with the three-way piece 5, is set on the three-way piece 5
There is liquid injection port 52, the liquid injection port 52 is connected with straight channel 51, the apparatus intervention passage 21 and the near-end phase of straight channel 51
Connection.
Protecting pipe 3 is provided with the near-end of the three-way piece 5, the distal portion of the sheath 2 is stretched into the protecting pipe 3.
Biopsy forceps sheath also includes lock sleeve 7, and the lock sleeve 7 is arranged on the distal portion of the three-way piece 5, and described
The duct 71 being connected with straight channel 51 is provided with lock sleeve 7.
The lock sleeve 7, which has, stretches into part, and the distal portion of the three-way piece 5 is provided with stepped hole, described to stretch into part
Stretch into the stepped hole of the three-way piece 5.
Sealing ring 6 is provided between the axial step face of the axial end for stretching into part and stepped hole.
The lock sleeve 7 has lock portion, and the distal portion of the three-way piece 5 is provided with the card convex projected radially outward
53, the lock portion is provided with neck 72, when the lock sleeve 7 is arranged on the distal portion of the three-way piece 5, the card convex
In the 53 insertion necks 72.
Operation principle of the present utility model is as follows：
Seal wire is first inserted in biliary tract, then the seal wire duct 11 of this biopsy forceps enters biliary tract, then biopsy along seal wire
Pincers intervene passage 21 by apparatus again and enter biliary tract, carry out the biopsy of tissue, contain sealing ring at three-way piece 5 of the present utility model
6 and liquid injection port 52, when carrying out fluid injection operation, sealing ring 6 plays sealing function, prevents liquid outflow, the utility model is not
The operation in biopsy forceps is only limited the use of, can be also used for the fast exchange of other ERCP apparatuses.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect solved to the utility model are entered
Further description is gone, should be understood that and the foregoing is only specific embodiment of the utility model, and do not have to
In limitation the utility model, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of the utility model.
Claims (7)
1. a kind of biopsy forceps sheath, it is characterised in that it includes：
Sheath (2), the sheath (2) is interior to be provided with the apparatus intervention passage (21) that can penetrate biopsy forceps；
Seal wire duct body (1), seal wire duct body (1) are arranged on the outer wall of the close end of sheath (2), the seal wire duct
The seal wire duct (11) axially through seal wire duct body is provided with body (1).
2. biopsy forceps sheath according to claim 1, it is characterised in that：Also include three-way piece (5), the three-way piece (5)
Straight channel (51) is inside provided with, liquid injection port (52), the liquid injection port (52) and straight channel (51) are provided with the three-way piece (5)
It is connected, the apparatus intervention passage (21) is connected with the near-end of straight channel (51).
3. biopsy forceps sheath according to claim 2, it is characterised in that：Shield is provided with the near-end of the three-way piece (5)
Sleeve pipe (3), the distal portion of the sheath (2) are stretched into the protecting pipe (3).
4. biopsy forceps sheath according to claim 2, it is characterised in that：Also include lock sleeve (7), the lock sleeve (7)
Distal portion installed in the three-way piece (5), and the duct being connected with straight channel (51) is provided with the lock sleeve (7)
(71)。
5. biopsy forceps sheath according to claim 4, it is characterised in that：The lock sleeve (7), which has, stretches into part, described
The distal portion of three-way piece (5) is provided with stepped hole, and the part of stretching into is stretched into the stepped hole of the three-way piece (5).
6. biopsy forceps sheath according to claim 5, it is characterised in that：The axial end and stepped hole for stretching into part
Axial step face between be provided with sealing ring (6).
7. biopsy forceps sheath according to claim 4, it is characterised in that：The lock sleeve (7) has lock portion, described
The distal portion of three-way piece (5) is provided with the card convex (53) projected radially outward, and the lock portion is provided with neck (72), works as institute
When stating lock sleeve (7) installed in the distal portion of the three-way piece (5), in the embedded neck (72) of the card convex (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382924.3U CN206836909U (en) | 2016-12-15 | 2016-12-15 | Biopsy forceps sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382924.3U CN206836909U (en) | 2016-12-15 | 2016-12-15 | Biopsy forceps sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206836909U true CN206836909U (en) | 2018-01-05 |
Family
ID=60789535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382924.3U Active CN206836909U (en) | 2016-12-15 | 2016-12-15 | Biopsy forceps sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206836909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171829A (en) * | 2018-09-26 | 2019-01-11 | 常州市久虹医疗器械有限公司 | Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs |
-
2016
- 2016-12-15 CN CN201621382924.3U patent/CN206836909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171829A (en) * | 2018-09-26 | 2019-01-11 | 常州市久虹医疗器械有限公司 | Cross the molding connection method of the seal wire pass joint of seal wire biliary tract sample pickup tongs and sample pickup tongs |
| CN109171829B (en) * | 2018-09-26 | 2024-04-16 | 常州市久虹医疗器械有限公司 | Forming connection method of guide wire through joint of guide wire biliary tract sampling forceps and sampling forceps |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |