CN201436988U - disposable biopsy forceps - Google Patents
disposable biopsy forceps Download PDFInfo
- Publication number
- CN201436988U CN201436988U CN2009201483259U CN200920148325U CN201436988U CN 201436988 U CN201436988 U CN 201436988U CN 2009201483259 U CN2009201483259 U CN 2009201483259U CN 200920148325 U CN200920148325 U CN 200920148325U CN 201436988 U CN201436988 U CN 201436988U
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- CN
- China
- Prior art keywords
- binding clip
- biopsy forceps
- forceps
- pin
- metal hose
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- 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
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- Endoscopes (AREA)
Abstract
The utility model relates to a surgical instrument for medical examination and discloses disposal biopsy forceps which mainly solve the problem that the biopsy forceps in prior art is difficult in passing through the forceps channel with smaller radius of an endoscope. The disposal biopsy forceps are structurally composed of a steel wire, a forceps head component, a metal hose and a handle. A guiding spring tube is fixedly mounted on a section of the thin steel wire connected with a core head to replace a rigid joint piece in prior art, one end of the guiding spring tube extends out of a front fork to be in clearance fit with the metal hose so that when the endoscope has smaller bend radius, the biopsy forceps can pass through the forceps channel and the pin can never fall off. The defect that the pin is easy to fall off when the forceps head is open found in current surgical instrument is radically solved, so the biopsy forceps can pass through the forceps channel when the endoscope reaches smaller bend radius, and the pin can never fall off.
Description
Technical field
This utility model relates to a kind of operating theater instruments that is used for medical examination, is specially disposable biopsy forceps.
Background technology
In recent years, in clinical medicine was checked, splanchnoscopy had obtained extensive use as a kind of aided diagnosis method.When certain diseased region was checked in to the patient body, biopsy forceps can stretch in the body by the speculum forceps road, the gripping pathological tissues.By endoscope's sampling, Wicresoft hinders, misery is little, so splanchnoscopy is a kind of well received diagnostic method.
Existing biopsy forceps is made up of steel wire, binding clip assembly, metal hose and handle etc.The binding clip assembly comprises linkage and front fork.Linkage is by left binding clip, right binding clip, left connecting rod, right connecting rod and connect pin accordingly and form, and wherein elongated wire is mainly used in and connects linkage and flexible handle; Metal hose mainly connects binding clip assembly and Handleset, thereby make flexible handle drive elongated wire, steel wire drives the linkage in the binding clip assembly, the motion of linkage just can make two binding clips in the binding clip assembly finish the opening and closing process, so just pathological tissues can be taken out in the body and check.
Present biopsy forceps has long rigid attachment part between binding clip assembly and elongated wire, main rising connects and guide effect, thereby it is crooked that binding clip is not produced after opening, but also increased the length of rigid section simultaneously, when checking some diseased regions, needed the bendable endoscope head just can observe, this moment, biopsy forceps just must be by the pincers road of endoscope head bending, when this bending radius hour, rigidity segment length's biopsy forceps just is difficult to pass through, and has brought difficulty to inspection.
In present biopsy forceps binding clip assembly, with the pin riveted joint, when binding clip was opened, the junction of binding clip and connecting rod can exceed the height of gathering sill on the front fork between two connecting rods and two binding clips, and at this moment pin is easy to get loose.
The utility model content
This utility model provides disposable biopsy forceps, the problem that has difficulties when solving present biopsy forceps binding clip by the less pincers road of endoscope's bending radius, and the problem that pin is easy to get loose in the present biopsy forceps binding clip assembly.
A kind of disposable biopsy forceps of the present utility model, comprise: steel wire, binding clip assembly and metal hose, in described metal hose, the one end fixed installation of a section of being connected of steel wire and guide spring pipe, the other end of this guide spring pipe with core print stretch out in the described binding clip assembly front fork and with the metal hose matched in clearance.
Wherein, described guide spring pipe is non-rigid connector.
Wherein, described binding clip assembly comprises: be installed in left binding clip and right binding clip on the long pin, described left and right binding clip can rotate around this long pin; Left and right binding clip does not link to each other with two joint plates respectively with an end of cutting edge, and the other end of described two joint plates is connected by dump bolt with core print, and described two joint plates can rotate around dump bolt.
The disposable biopsy forceps of another kind of the present utility model comprises: steel wire, binding clip assembly and metal hose, and described binding clip assembly comprises: be installed in left binding clip and right binding clip on the long pin, described left and right binding clip can rotate around this long pin; Left and right binding clip does not link to each other with two joint plates respectively with an end of cutting edge, and the other end of described two joint plates is connected by dump bolt with the core print in the metal hose, and described two joint plates can rotate around dump bolt.
This utility model beneficial effect is as follows: this utility model improves to some extent on structural design.Introduced the guide spring pipe to substitute the rigid attachment part of biopsy forceps in the prior art, because the guide spring pipe is non-rigid connector, so not only guaranteed the function of use of present biopsy forceps, and can by in the endoscope head than the pincers road of small-bend radius, the problem that has had difficulties when having solved present biopsy forceps binding clip by the less pincers road of endoscope's bending radius.
The joint plate of this utility model design has replaced the connecting rod of present biopsy forceps, because the joint plate in this utility model is that original connecting rod is become an integral body with pin designs.Binding clip directly is connected with the joint plate, so stopped the pin phenomenon that gets loose.
Description of drawings
Fig. 1 is this utility model outline drawing;
Fig. 2 is this utility model biopsy forceps binding clip modular construction sketch map;
Fig. 3 is the linkage sketch map in this utility model binding clip assembly.
The specific embodiment
This utility model provides disposable biopsy forceps referring to shown in Figure 1, and its profile comprises: the metal hose 5 of Xiang Lianing, handle 12 and draw ring 13 successively.
Embodiment 1, as shown in Figures 2 and 3, when endoscopy reaching during than small-bend radius, can be by the biopsy forceps in pincers road, promptly the disposable biopsy forceps of present embodiment comprises front fork 1, left binding clip 11, right binding clip 10, left side joint plate 8, right joint plate 9, core print 4, metal hose 5 (being flexible pipe 5 among Fig. 2), guide spring pipe 6 and steel wire 7.Left binding clip 11, right binding clip 10 are installed on the long pin 2 (being to have strong market potential 2 among Fig. 2), and guarantee that two binding clips can rotate around long pin 2.Two binding clips do not link to each other with two joint plates respectively with an end of cutting edge, and the other end of two joint plates is connected by dump bolt 3 (being the short-and-medium pin 3 of Fig. 2) with core print 4, and can both rotate around dump bolt 3.The other end of core print 4 and steel wire 7 are welded to connect, when binding clip is closed, and one section installing hole that can not exceed on the front fork 1 that core print 4 is connected with steel wire 7.In metal hose 5, one section fixed installation guide spring pipe 6 that steel wire 7 links to each other with core print 4, the other end of guide spring pipe 6 stretch out front fork 1 and with metal hose 5 matched in clearance, can guarantee that like this guide spring pipe 6 and metal hose 5 are crooked simultaneously, thereby make the binding clip assembly by pincers road than small-bend radius.
Originally be among the embodiment, introduced the guide spring pipe to substitute the rigid attachment part of biopsy forceps in the prior art, because the guide spring pipe is non-rigid connector, so not only guaranteed the function of use of present biopsy forceps, and can by in the endoscope head than the pincers road of small-bend radius, the problem that has had difficulties when having solved present biopsy forceps binding clip by the less pincers road of endoscope's bending radius.And to save connecting rod and the pin that plate has replaced existing biopsy forceps.In present biopsy forceps binding clip assembly, two binding clips are connected by pin with two connecting rods, and when binding clip was opened, the junction of binding clip and connecting rod can exceed the height of gathering sill on the front fork, and the pin that at this moment connects binding clip and connecting rod is easy to get loose.The joint plate of present embodiment has replaced the connecting rod of present biopsy forceps, and the joint plate is that existing connecting rod is become an integral body with pin designs.Binding clip directly is connected with the joint plate, has stopped the pin phenomenon that gets loose.Material in the present embodiment all adopts the stainless steel material manufacturing except that Handleset, prevent to get rusty.
Embodiment 2, referring to shown in Figure 2, the disposable biopsy forceps of present embodiment comprises front fork 1, core print 4, metal hose 5 (being flexible pipe 5 among Fig. 2), guide spring pipe 6, steel wire 7, and connecting rod and pin in the existing biopsy forceps binding clip modular construction.One end and the steel wire 7 of core print 4 are welded to connect, when binding clip is closed, and one section installing hole that can not exceed on the front fork 1 that core print 4 is connected with steel wire 7.In metal hose 5, one section fixed installation guide spring pipe 6 that steel wire 7 links to each other with core print 4, the other end of guide spring pipe 6 stretch out front fork 1 and with metal hose 5 matched in clearance, can guarantee that like this guide spring pipe 6 and metal hose 5 are crooked simultaneously, thereby make the binding clip assembly by pincers road than small-bend radius.
Though present embodiment can not be stopped the pin phenomenon that gets loose, but introduced the guide spring pipe to substitute the rigid attachment part of biopsy forceps in the prior art, because the guide spring pipe is non-rigid connector, so not only guaranteed the function of use of present biopsy forceps, and can by in the endoscope head than the pincers road of small-bend radius, the problem that has had difficulties when having solved present biopsy forceps binding clip by the less pincers road of endoscope's bending radius.Material in the present embodiment all adopts the stainless steel material manufacturing except that Handleset, prevent to get rusty.
Embodiment 3, referring to shown in Figure 3, the disposable biopsy forceps of present embodiment comprises: left binding clip 11, right binding clip 10, left side joint plate 8, right joint plate 9.Left binding clip 11, right binding clip 10 are installed on the pin, and guarantee that two binding clips can rotate around this pin.Two binding clips do not link to each other with two joint plates respectively with an end of cutting edge, and the other end of two joint plates is connected by another pin with core print, and can both rotate around this pin.Present embodiment adopts the rigid attachment part of biopsy forceps in the prior art to connect biopsy forceps in binding clip assembly and elongated wire.
Though the problem that present embodiment has difficulties in the time of can not solving present biopsy forceps binding clip by the less pincers road of endoscope's bending radius, but also there is other problem in present biopsy forceps, be in the biopsy forceps binding clip assembly, two binding clips are connected by pin with two connecting rods, when binding clip is opened, the junction of binding clip and connecting rod can exceed the height of gathering sill on the front fork, and the pin that at this moment connects binding clip and connecting rod is easy to get loose.Joint plate in the present embodiment has replaced the connecting rod of present biopsy forceps, and the joint plate is that existing connecting rod is become an integral body with pin designs.Binding clip directly is connected with the joint plate, has stopped the pin phenomenon that gets loose.Material in the present embodiment all adopts the stainless steel material manufacturing except that Handleset, prevent to get rusty.
Obviously, those skilled in the art can carry out various changes and modification to this utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of this utility model claim and equivalent technologies thereof, then this utility model also is intended to comprise these changes and modification interior.
Claims (4)
1. disposable biopsy forceps, comprise: steel wire (7), binding clip assembly and metal hose (5), it is characterized in that, in described metal hose (5), the one end fixed installation of a section of being connected of steel wire (7) and guide spring pipe (6), the other end of this guide spring pipe (6) with core print (4) stretch out in the described binding clip assembly front fork (1) and with metal hose (5) matched in clearance.
2. a kind of disposable biopsy forceps as claimed in claim 1 is characterized in that described guide spring pipe (6) is non-rigid connector.
3. a kind of disposable biopsy forceps as claimed in claim 1 is characterized in that, described binding clip assembly comprises: be installed in left binding clip (11) and right binding clip (10) on the long pin (2), described left and right binding clip can rotate around this long pin (2); Left and right binding clip does not link to each other with two joint plates respectively with an end of cutting edge, and the other end of described two joint plates is connected by dump bolt (3) with core print (4), and described two joint plates can rotate around dump bolt (3).
4. disposable biopsy forceps, comprise: steel wire (7), binding clip assembly and metal hose (5), it is characterized in that described binding clip assembly comprises: be installed in left binding clip (11) and right binding clip (10) on the long pin (2), described left and right binding clip can rotate around this long pin (2); Left and right binding clip does not link to each other with two joint plates respectively with an end of cutting edge, and the other end of described two joint plates is connected by dump bolt (3) with the core print (4) in the metal hose (5), and described two joint plates can rotate around dump bolt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201483259U CN201436988U (en) | 2009-04-02 | 2009-04-02 | disposable biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201483259U CN201436988U (en) | 2009-04-02 | 2009-04-02 | disposable biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201436988U true CN201436988U (en) | 2010-04-14 |
Family
ID=42398968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201483259U Expired - Fee Related CN201436988U (en) | 2009-04-02 | 2009-04-02 | disposable biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201436988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107647888A (en) * | 2017-10-13 | 2018-02-02 | 上海市肺科医院 | A kind of efficient bronchoscope is shoveled with biopsy |
| WO2021035785A1 (en) * | 2019-08-27 | 2021-03-04 | 南微医学科技股份有限公司 | Disposable biopsy forceps |
-
2009
- 2009-04-02 CN CN2009201483259U patent/CN201436988U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107647888A (en) * | 2017-10-13 | 2018-02-02 | 上海市肺科医院 | A kind of efficient bronchoscope is shoveled with biopsy |
| CN107647888B (en) * | 2017-10-13 | 2024-04-26 | 上海市肺科医院 | Efficient biopsy shovel for bronchoscope |
| WO2021035785A1 (en) * | 2019-08-27 | 2021-03-04 | 南微医学科技股份有限公司 | Disposable biopsy forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20140402 |