CN110432933A - A kind of soft endoscope biopsy forceps - Google Patents
A kind of soft endoscope biopsy forceps Download PDFInfo
- Publication number
- CN110432933A CN110432933A CN201910785514.5A CN201910785514A CN110432933A CN 110432933 A CN110432933 A CN 110432933A CN 201910785514 A CN201910785514 A CN 201910785514A CN 110432933 A CN110432933 A CN 110432933A
- Authority
- CN
- China
- Prior art keywords
- jaw
- slide switch
- flexible member
- biopsy forceps
- cable wire
- 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.)
- Pending
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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
- A61B10/04—Endoscopic instruments
-
- 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
Abstract
The invention discloses a kind of soft endoscope biopsy forceps, including conduit, manipulate cable wire, binding clip, control handle；The hollow interior of conduit is arranged in the manipulation cable wire；The binding clip includes retained part and support frame, the retained part includes attachment base, flexible member, shaft and jaw, one end of the attachment base and one end rigid connection for manipulating one end rigid connection of cable wire, the other end and flexible member, the other end of the flexible member is hinged by one end of shaft and jaw, and one end of support frame as described above is connect with catheter, the other end is connected by the middle and back of rigid hinge and jaw；The control handle includes handle body and slide switch, the other end rigid connection of the slide switch and manipulation cable wire.The present invention substitutes rigid link using flexible member at binding clip, and using the bending deformation conduction movement of flexible member and power, required space is smaller, and structure is more compact, has broad application prospects.
Description
Technical field
The present invention relates to curable product technology, in particular to a kind of soft endoscope biopsy forceps.
Background technique
In recent years, because of many factors such as dietary structure, environment, heredity, becoming for rising is presented in the disease incidence of human primary gastrointestinal cancers
Gesture.It is the optimal path for avoiding cancer metastasis and complication from occurring for the early diagnosis of human primary gastrointestinal cancers, early treatment.Endoscope
Check or operation be clinically human primary gastrointestinal cancers are early diagnosed, one of the common method of early treatment, be mainly used for carrying out each
Kind checks and biopsy extraction.
Biopsy forceps is endoscopy and the indispensable tool of biopsy extraction, for checking diseased region in Microendoscopic
With collection alimentary canal mucous membrane tissue, in biopsy procedure, operator can also suitably be treated according to disease.
The binding clip position of existing biopsy forceps, the main structure connected using rigid member with conventional hinge, this kind of structure are accounted for
Big with space, number of components is more, brings a series of problems to biopsy forceps use.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of soft endoscope biopsy forceps is provided, the present invention exists
Rigid link is substituted using flexible member at binding clip, using the bending deformation conduction movement of flexible member and power, required movement is empty
Between it is smaller, structure is more compact, has broad application prospects.
The technical scheme adopted by the invention is that: a kind of soft endoscope biopsy forceps, comprising:
Conduit, the conduit are hollow structure；
Cable wire is manipulated, the hollow interior of the conduit is arranged in the manipulation cable wire；
Binding clip, the binding clip include retained part and support frame, and the retained part includes attachment base, flexible member, turns
One end of axis and jaw, one end of the attachment base and the manipulation cable wire is rigidly connected, the other end of the attachment base and institute
One end rigid connection of flexible member is stated, the other end of the flexible member is cut with scissors by one end of the shaft and the jaw
It connects, one end of support frame as described above is connect with the catheter, and the other end of support frame as described above passes through rigid hinge and the pincers
The middle and back connection of mouth, makes the flexible member bend, so that the jaw be driven to open by the movement of the attachment base
It closes；And
Control handle, the control handle include handle body and slide switch, the slide switch and the manipulation steel
The other end of rope is rigidly connected, and can slide on the handle body, to drive the manipulation cable wire to transport in the conduit
It is dynamic, so that the attachment base be driven to move, the jaw is finally driven to move.
Further, the flexible member is two identical flexible rectangular section strip boards, two flexible squares
Tee section strip boards are hinged by the shaft and the rear end for two calipers for forming the jaw respectively；Every flexibility
One end of rectangular section strip plate is rigidly connected with the corresponding shaft rigid connection, the other end and the attachment base；
The shaft is connect with the rear end of the caliper by revolute pair.
Wherein, the width direction of flexible rectangular section strip boards and the center line of the shaft and the jaw
Hinge centerline is parallel.
Further, one end of the conduit and one end of the handle body are interference fitted, the other end and the support
Frame one end interference fit.
Further, sliding groove is offered on the handle body, the slide switch can be along the sliding groove from described
The first end of sliding groove is moved to the second end of the sliding groove, so that the jaw being connected with the slide switch
It is corresponding to be flared to maximum opening angle from 0 °, meanwhile, it is fitted close between the sliding groove and the slide switch so that institute
The sliding groove first end can be locked in any position between the second end, so that with the cunning by stating slide switch
It is dynamic switch the jaw that is connected be capable of fixing be maintained at the slide switch it is static when present position corresponding to opening angle.
Further, the shape of the handle body and the slide switch is circle, is held convenient for biopsy forceps user.
Further, the jaw is shell structure.
The beneficial effects of the present invention are: the present invention in terms of existing technologies, uses flexible material to clamp as biopsy forceps
The connecting rod of head, reduces a rigid hinge, structure is more compact, and required space is smaller, more can adapt to narrow behaviour
Make environment, and flexible material can directly be calculated by the resistance of pathological tissue by the deflection of flexible material, does not need additional
Force snesor is installed, is had broad application prospects.
Detailed description of the invention
Fig. 1 is soft endoscope biopsy forceps structural schematic diagram of the present invention；
Fig. 2 is tong head schematic diagram of the invention；
Fig. 3 is that jaw of the invention deforms schematic diagram.
Attached drawing mark: 1- control handle, 11- handle body, 12- slide switch, 2- conduit, 3- manipulation cable wire, 4- binding clip,
41- attachment base, 42- flexible member, 43- shaft, 44- support frame, 45- jaw.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
As shown in Fig. 1, a kind of soft endoscope biopsy forceps, including binding clip 4, the control jaw 45 using flexible member 42
The conduit 2 of the control handle 1 of folding, the manipulation cable wire 3 of connection binding clip 4 and control handle 1 and suit manipulation cable wire 3.It is described
The retained part of biopsy forceps substitutes the rigid link of traditional biopsy forceps head using flexible member 42, is bent by flexible member 42
The transmitting of movement and power is realized, to realize that jaw 45 opens and closes.
The control handle 1 includes handle body 11 and slide switch 12, to allow the slide switch 12 along setting about
Handle ontology 11 slides back and forth, and guarantees the stability after sliding, sliding groove is provided on the handle body 11, the sliding is opened
12 the second ends that can be moved to the sliding groove from the first end of the sliding groove along the sliding groove are closed, so that with described
The jaw 45 that slide switch 12 is connected is corresponding to be flared to maximum from 0 ° (first end of the corresponding sliding groove)
Angle of release degree (the second end of the corresponding sliding groove), meanwhile, it is fitted close between the sliding groove and the slide switch 12
The slide switch 12 is enabled to be locked in the sliding groove first end to any position between the second end, so that
The jaw 45 being connected with the slide switch 12 be capable of fixing be maintained at the slide switch 12 it is static when present position institute
Corresponding opening angle, that is, for the slide switch 12 when not sliding, it is motionless that the jaw 45 is maintained at special angle.It is described
The shape of handle body 11 and the slide switch 12 is circle, meets ergonomic designs, is held convenient for biopsy forceps user.
The slide switch 12 can slide on the handle body 11, to drive the manipulation cable wire 3 to move in the conduit 2,
To drive the attachment base 41 to move, the jaw 45 is finally driven to move.
The conduit 2 is hollow structure, to guarantee that movement and the power of the slide switch 12 can be described in the accurate transmission arrive
Binding clip 4, the internal diameter of the conduit 2 need to be matched extremely with the outer diameter of the manipulation cable wire 3, be clearance fit.The one of the conduit 2
End and one end of the handle body 11 are interference fitted, and the other end and 44 one end of support frame as described above are interference fitted, to guarantee to use
Reliability in the process.
The manipulation cable wire 3 be steel wire, be arranged in the conduit 2 it is hollow in, it is described manipulation cable wire 3 one end with it is described
Slide switch 12 is rigidly connected, and the other end and the attachment base 41 are rigidly connected, to guarantee the reliability in motion process.
The binding clip 4 includes retained part and support frame 44.The retained part include attachment base 41, flexible member 42,
Shaft 43 and jaw 45.One end of the attachment base 41 and one end of the manipulation cable wire 3 are rigidly connected, the attachment base 41
One end of the other end and the flexible member 42 is rigidly connected, and the other end of the flexible member 42 passes through the shaft 43 and institute
The one end for stating jaw 45 is hinged.Support frame as described above 44 is for installing and supporting the binding clip 4, one end of support frame as described above 44 and institute
The rigid connection of conduit 2 is stated, the other end of support frame as described above 44 is connect by rigid hinge with the middle and back of the jaw 45.Pass through
The movement of the attachment base 41 makes the flexible member 42 bend, so that the jaw 45 be driven to open and close.
As shown in Fig. 2, the jaw 45 is rigid member, including two calipers being mutually twisted, the flexible member
42 it is corresponding include two identical flexible rectangular section strip boards, two flexible rectangular section strip boards are led to respectively
It crosses the shaft 43 and the rear end for two calipers for forming the jaw 45 is hinged；Every flexible rectangular section strip boards
One end be rigidly connected with the corresponding shaft 43 rigid connection, the other end and the attachment base 41；The shaft 43 is pacified
In the hole of the caliper rear end, revolute pair is formed between the two.
The shaft 43, flexible member 42, the specific rigid connection between attachment base 41, according to actual production feelings
Condition selects most reliable connection type.
Flexible rectangular section strip boards are the strip plate that section is rectangle, and material should reasonably select,
The rigidity and stability of 4 structure of binding clip are improved using elastic material (such as stainless steel, spring steel etc.) under normal circumstances.It is described
The width direction of flexible rectangular strip boards is parallel with the hinge centerline of the center line of the shaft 43 and the jaw 45.Institute
Bending direction when flexible member 42 works is stated, connection type uniquely determines by its both ends.
The jaw 45 is execution unit, is directly contacted with pathological tissue, can be used by shell structure, and use intensity
The small material of high density (such as aluminium, carbon fiber plastic etc.), reliability when mitigating weight and increase its work.
The maximum opening angle of the jaw 45 and the size of jaw 45 and flexible member 42, according to requirements really
Fixed, in the present embodiment, the maximum opening angle of the jaw 45 is between 120 ° to 150 °.
When the jaw 45 is in closure and open configuration, the bending direction of the flexible member 42 is as shown in Figure 3.
When user opens biopsy forceps, slide switch 12 is pushed forward along handle body 11, manipulation cable wire 3 is driven to transport forward
It is dynamic, it drives attachment base 41 to travel forward, is further driven to the bending of flexible member 42, flexible member 42 generates restoring force when being bent,
Since 45 around hinge of jaw rotates, therefore 45 stress of jaw is opened；Principle is similar when jaw 45 is closed, and this will not be repeated here.
Invention substitutes rigid link using flexible member 42 at binding clip 4, is conducted using the bending deformation of flexible member 42
Movement and power, required space is smaller, and structure is more compact, has broad application prospects.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (7)
1. a kind of soft endoscope biopsy forceps characterized by comprising
Conduit (2), the conduit (2) are hollow structure；
It manipulates cable wire (3), manipulation cable wire (3) setting is in the hollow interior of the conduit (2)；
Binding clip (4), the binding clip (4) include retained part and support frame (44), and the retained part includes attachment base (41), soft
Property component (42), shaft (43) and jaw (45), one end rigidity of one end of the attachment base (41) and manipulation cable wire (3)
Connection, the other end of the attachment base (41) and the one end of the flexible member (42) are rigidly connected, the flexible member (42)
The other end it is hinged by the shaft (43) and one end of the jaw (45), one end of support frame as described above (44) is led with described
(2) rigid connection is managed, the other end of support frame as described above (44) is connect with the middle and back of the jaw (45) by rigid hinge, led to
The movement for crossing the attachment base (41) makes the flexible member (42) bend, so that the jaw (45) be driven to open and close；With
And
Control handle (1), the control handle (1) include handle body (11) and slide switch (12), the slide switch
(12) other end with manipulation cable wire (3) is rigidly connected, and can slide on the handle body (11), described in driving
It manipulates cable wire (3) movement in the conduit (2) and finally drives the jaw to drive the attachment base (41) movement
(45) it moves.
2. a kind of soft endoscope biopsy forceps according to claim 1, which is characterized in that the flexible member (42) is two
The identical flexible rectangular section strip boards of item, two flexible rectangular section strip boards pass through the shaft (43) respectively
It is hinged with the rear end for two calipers for forming the jaw (45)；One end of every flexible rectangular section strip boards with
The corresponding shaft (43) rigid connection, the other end and the attachment base (41) are rigidly connected；The shaft (43) with it is described
The rear end of caliper is connected by revolute pair.
3. a kind of soft endoscope biopsy forceps according to claim 2, which is characterized in that flexible rectangular section strip
The width direction of plate is parallel with the hinge centerline of the center line of the shaft (43) and the jaw (45).
4. a kind of soft endoscope biopsy forceps according to claim 1, which is characterized in that one end of the conduit (2) with
One end of the handle body (11) is interference fitted, and the other end and support frame as described above (44) one end are interference fitted.
5. a kind of soft endoscope biopsy forceps according to claim 1, which is characterized in that opened on the handle body (11)
Equipped with sliding groove, the slide switch (12) can be moved to the sliding from the first end of the sliding groove along the sliding groove
The second end of slot, so that corresponding with the jaw (45) that the slide switch (12) is connected be flared to maximum from 0 °
Angle of release degree, meanwhile, it is fitted close between the sliding groove and the slide switch (12) so that the slide switch (12) can be locked
The sliding groove first end is scheduled on to any position between the second end, so that being connected with the slide switch (12)
The jaw (45) connect be capable of fixing be maintained at the slide switch (12) it is static when present position corresponding to opening angle.
6. a kind of soft endoscope biopsy forceps according to claim 1, which is characterized in that the handle body (11) and institute
The shape of slide switch (12) is stated as circle, is held convenient for biopsy forceps user.
7. a kind of soft endoscope biopsy forceps according to claim 1, which is characterized in that the jaw (45) is shell knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785514.5A CN110432933A (en) | 2019-08-23 | 2019-08-23 | A kind of soft endoscope biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910785514.5A CN110432933A (en) | 2019-08-23 | 2019-08-23 | A kind of soft endoscope biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110432933A true CN110432933A (en) | 2019-11-12 |
Family
ID=68437404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910785514.5A Pending CN110432933A (en) | 2019-08-23 | 2019-08-23 | A kind of soft endoscope biopsy forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110432933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991034A (en) * | 2020-08-21 | 2020-11-27 | 天津大学 | Multiple biopsy device embedded in capsule endoscope |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228451A (en) * | 1990-05-10 | 1993-07-20 | Symbiosis Corporation | Biopsy forceps device having stiff distal end |
| US5782748A (en) * | 1996-07-10 | 1998-07-21 | Symbiosis Corporation | Endoscopic surgical instruments having detachable proximal and distal portions |
| CN102217956A (en) * | 2010-04-16 | 2011-10-19 | 上海菲捷实业有限公司 | Living tissue sampling forceps |
| CN103909478A (en) * | 2014-04-09 | 2014-07-09 | 西安电子科技大学 | Flexible cut-off clamp for use in narrow operating space and application method thereof |
| CN206228372U (en) * | 2016-08-06 | 2017-06-09 | 上海市同济医院 | A kind of readable endoscope biopsyforceps |
| CN107095704A (en) * | 2017-05-26 | 2017-08-29 | 天津大学 | A kind of telescopic Minimally Invasive Surgery pincers with bistable behaviour |
-
2019
- 2019-08-23 CN CN201910785514.5A patent/CN110432933A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228451A (en) * | 1990-05-10 | 1993-07-20 | Symbiosis Corporation | Biopsy forceps device having stiff distal end |
| US5782748A (en) * | 1996-07-10 | 1998-07-21 | Symbiosis Corporation | Endoscopic surgical instruments having detachable proximal and distal portions |
| CN102217956A (en) * | 2010-04-16 | 2011-10-19 | 上海菲捷实业有限公司 | Living tissue sampling forceps |
| CN103909478A (en) * | 2014-04-09 | 2014-07-09 | 西安电子科技大学 | Flexible cut-off clamp for use in narrow operating space and application method thereof |
| CN206228372U (en) * | 2016-08-06 | 2017-06-09 | 上海市同济医院 | A kind of readable endoscope biopsyforceps |
| CN107095704A (en) * | 2017-05-26 | 2017-08-29 | 天津大学 | A kind of telescopic Minimally Invasive Surgery pincers with bistable behaviour |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111991034A (en) * | 2020-08-21 | 2020-11-27 | 天津大学 | Multiple biopsy device embedded in capsule endoscope |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |