CN109646075A - A kind of stone extraction basket structure - Google Patents
A kind of stone extraction basket structure Download PDFInfo
- Publication number
- CN109646075A CN109646075A CN201910117953.9A CN201910117953A CN109646075A CN 109646075 A CN109646075 A CN 109646075A CN 201910117953 A CN201910117953 A CN 201910117953A CN 109646075 A CN109646075 A CN 109646075A
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- China
- Prior art keywords
- handle
- sliding shoe
- screw
- hole
- mesh basket
- 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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- 239000004575 stone Substances 0.000 title claims abstract description 30
- 238000000605 extraction Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 38
- 230000000694 effects Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 108010010803 Gelatin Proteins 0.000 description 2
- 210000003445 biliary tract Anatomy 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000002504 lithotomy Methods 0.000 description 2
- 230000009469 supplementation Effects 0.000 description 2
- 208000009911 Urinary Calculi Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22031—Gripping instruments, e.g. forceps, for removing or smashing calculi
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention discloses a kind of stone extraction basket structure, includes, mesh basket ontology；Mesh basket sheath, inner containment have mesh basket traction fiber；It controls handle and is formed with the screw receiving hole being disposed radially on the handle front with handle front, middle handle and handle rear portion；Handle sliding shoe, is slidingly arranged at the middle handle and the handle sliding shoe shifts in the longitudinal direction, and the sliding shoe limit hole being disposed radially is formed on the handle sliding shoe；Handle locating piece is fixedly arranged at the handle rear portion；And location locking mechanism, with ripple pearl screw, the ripple pearl screw is contained in the screw receiving hole, and the ripple pearl screw has the screw decorative pearl on top of an official cap and the screw decorative pearl on top of an official cap is pierced by the outside that the screw receiving hole is exposed to the handle front.The beneficial effects of the present invention are: mitigate the labor intensity of operator, avoids the generation for the insecurity factor that calculus falls off caused by taking stone in the process because situations such as promptly unstable.
Description
Technical field
The present invention relates to medical instruments fields, and a kind of stone extraction basket structure, is widely used in biliary tract, urinary calculi in particular
The minimally invasive intervention of illness is performed the operation.
Background technique
Biliary tract and stone in urinary system annoying many patients for many years, are frequently necessary to treat by open surgery in early days,
And patient needs in hospital through after a period of time could rehabilitation.The appearance of Minimally Invasive Surgery substantially reduces pain and the contracting of patient
Short hospital stays, one of instrument are exactly disposable stone extraction basket, it is by mesh basket ontology, mesh basket sheath and control hand
Three major part compositions of handle.Mesh basket ontology is made by the wire with biocompatibility.Mesh basket ontology can pass through
The back-and-forth motion of handle sliding shoe is closed and is opened in control handle.
" stone extraction basket " of Chinese utility model patent CN206995303U bulletin proposes a kind of glide direction along sliding sleeve
Offer the structure of several card slots, it is therefore intended that sliding sleeve is limited, avoids stone extraction basket that from can not locking after extracting calculus,
It needs by manually holding with a firm grip so that calculus is limited in prevents from falling off in mesh basket.However the mechanism needs manually when discharging calculus
Screw rod is unclamped, and adjust spring and connecting rod just can be to need to be resetted, operate when taking stone repeatedly again before taking stone again
Come relatively time-consuming.
In addition, operator's exertin causes to damage to stone extraction basket, or even causes the fracture of mesh basket silk, need by other devices
Tool is sued and laboured, and the pain of patient is not only increased, but also patient is made to pay expensive medical expense again.
Summary of the invention
The technical problem to be solved by the present invention is to realize handle sliding shoe by the way of manually holding with a firm grip in the prior art
It limits and the operation of stone process is taken to be more troublesome, further, the present invention also technical problems to be solved are that operator is firmly excessive
Cause stone extraction basket to be broken, a kind of novel stone extraction basket structure is provided.
In order to realize the purpose, technical scheme is as follows: a kind of stone extraction basket structure includes,
Mesh basket ontology；
Mesh basket sheath, inner containment have mesh basket traction fiber；
Control handle is formed on the handle front and is disposed radially with handle front, middle handle and handle rear portion
Screw receiving hole；
Handle sliding shoe, is slidingly arranged at the middle handle and the handle sliding shoe shifts in the longitudinal direction, institute
State the sliding shoe limit hole for being formed with and being disposed radially on handle sliding shoe；
Handle locating piece is fixedly arranged at the handle rear portion, moves back the handle sliding shoe, when the handle sliding shoe
With handle locating piece phase front backward against the handle locating piece limits handle sliding shoe rear end；And
Location locking mechanism, with ripple pearl screw, the ripple pearl screw is contained in the screw receiving hole, the ripple pearl spiral shell
Silk has the screw decorative pearl on top of an official cap and the screw decorative pearl on top of an official cap is pierced by the outside that the screw receiving hole is exposed to the handle front, and move forward institute
Handle sliding shoe is stated, when mutually radial direction is overlapped the screw receiving hole with the sliding shoe limit hole, the screw decorative pearl on top of an official cap is just pushed up
Enter the inside of the sliding shoe limit hole, the ripple pearl screw limits handle sliding shoe front end；
Wherein, the mesh basket traction fiber is for connecting the mesh basket ontology and the handle sliding shoe.
As a kind of preferred embodiment of stone extraction basket structure, the cunning extended along the longitudinal direction is formed on the middle handle
Dynamic slot, the handle sliding shoe are contained in the inside of the sliding groove.
As a kind of preferred embodiment of stone extraction basket structure, locating slot is formed on the handle rear portion, the handle is fixed
Position block is contained in the inside of the locating slot.
As a kind of preferred embodiment of stone extraction basket structure, also include, stress release mechanism；
The stress release mechanism includes,
Spring retaining sleeve is placed between the mesh basket sheath and the control handle；
Spring sliding seat is contained in the inside of the spring retaining sleeve and the inside of the spring retaining sleeve is divided into fixing sleeve
Leading portion and fixing sleeve back segment, the front end of the mesh basket sheath extend forwardly into the inside of the fixing sleeve back segment, and the spring is living
The sliding seat that front and back perforation is formed on dynamic seat passes through hole and the sliding seat passes through hole and is divided into across hole leading portion and after passing through hole
Section；
Inner conductor is contained in the inside of the fixing sleeve leading portion, and the rear end of the inner conductor is back through the activity
Seat passes through the inside that hole extends to the fixing sleeve back segment；
Outer conductor is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the inner conductor, the outer layer
The rear end of conduit extands rearward to the inside for passing through hole leading portion, the outside of the outer conductor and described across hole leading portion
Inner face is mutually bonded；
Buffer spring is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the outer conductor, the buffering
Spring has the movable end close to the spring sliding seat and the fixing end far from the spring sliding seat, the buffer spring
Movable end and spring sliding seat phase front backward against or it is corresponding；
Internal layer heat-shrink tube, be contained in the inside of the fixing sleeve back segment and be surrounded on the inner conductor rear end and the net
The periphery of the front end of basket sheath, the internal layer heat-shrink tube extend forwardly into the inside for passing through hole back segment, the internal layer pyrocondensation
The outside of pipe is mutually be bonded with the inner face across hole back segment, the inner face of the internal layer heat-shrink tube respectively with the inner conductor
Outside and the outside of the mesh basket sheath are mutually bonded；And
Conduit is pushed, the inside at the handle rear portion is contained in, the rear end of the push conduit extands rearward to the internal layer
Between conduit and the outer conductor；
Wherein, the mesh basket draught line begins from the handle sliding shoe, successively by the push conduit, the inner conductor and
The mesh basket sheath finally extends to the mesh basket ontology.
As a kind of preferred embodiment of stone extraction basket structure, the stress release mechanism also includes,
Outer layer heat-shrink tube is contained in the inside of the fixing sleeve back segment and is surrounded on the periphery of the internal layer heat-shrink tube.
As a kind of preferred embodiment of stone extraction basket structure, the bonding is to be formed using quick-drying gelatin.
Compared with prior art, beneficial effects of the present invention at least that: 1) by location locking mechanism, mitigate behaviour significantly
The labor intensity of author avoids the generation for the insecurity factor that calculus falls off caused by taking stone in the process because situations such as promptly unstable.
2) it by the location locking mechanism, unclamps calculus and is relatively easy to, it is only necessary to operator's one-handed performance, the hand described in finger push
Handle sliding shoe releases the ripple pearl screw to described with this so that the screw decorative pearl on top of an official cap is separated with the sliding shoe limit hole
The front end of handle sliding shoe limits, easy to operate, time saving and energy saving.3) by the stress release mechanism, the safety of instrument is improved
Property, avoid operator exert oneself it is excessive caused by lithotomy net be broken, mitigate the pain of patient, be properly arrived at surgical effect.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and by these
Except beneficial effect brought by the technical characteristic of technical solution, other technologies problem, technical solution that the present invention can solve
In include other technical characteristics and these technical characteristic bring beneficial effects, will be made in conjunction with attached drawing further details of
Explanation.
Detailed description of the invention
Fig. 1 is the constructional appearance schematic diagram of one embodiment of the invention.
Fig. 2 is the inside configuration schematic diagram of one embodiment of the invention.
Fig. 3 is the structural schematic diagram of ripple pearl screw in one embodiment of the invention.
Fig. 4 is the structural schematic diagram in Fig. 2 at A.
Fig. 5 is the structural schematic diagram (the first situation) in Fig. 2 at B.
Fig. 6 is the structural schematic diagram (second situation) in Fig. 2 at B.
Fig. 7 is the structural schematic diagram of location locking mechanism in another embodiment of the present invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.It needs to illustrate herein
It is the explanation of these embodiments to be used to help to understand the present invention, but do not constitute a limitation of the invention.In addition, below
Involved technical characteristic as long as they do not conflict with each other can phase in the described each embodiment of the present invention
Mutually combination.
Referring to Figure 1 to 2, a kind of stone extraction basket structure is shown in the figure.The mesh basket ontology is mainly by mesh basket ontology
1, mesh basket sheath 2, control handle 3, handle sliding shoe 4, handle locating piece 5, location locking mechanism 6 and stress release mechanism 7 etc.
Composition.
2 inner containment of mesh basket sheath has mesh basket traction fiber 20.
The control handle 3 has handle front, middle handle and handle rear portion.It is formed on the handle front along diameter
To the screw receiving hole of setting.
The handle sliding shoe 4 is slidingly arranged at the middle handle.In the present embodiment, formed on the middle handle
There is the sliding groove extended along the longitudinal direction.The handle sliding shoe 4 is contained in the inside of the sliding groove.The handle sliding shoe
4 shift in the longitudinal direction along the sliding groove.It is sliding with the handle that the mesh basket traction fiber 20 connects the mesh basket ontology 1
Motion block 4.Front and back shifts the handle sliding shoe 4, drives the opening of the mesh basket ontology 1 by the mesh basket traction fiber 20 or closes
It closes, to achieve the purpose that crawl or decontrol calculus.
The sliding shoe limit hole 41 being disposed radially is formed on the handle sliding shoe 4.The sliding shoe limit hole 41
Inner end and the screw receiving hole outer end flush.
The handle locating piece 5 is fixedly arranged at the handle rear portion.In the present embodiment, formed on the handle rear portion
There is locating slot.The handle locating piece 5 is contained in the inside of the locating slot.Further, the handle locating piece 5 also utilizes
Lock-on connection locking positioning.
Move back the handle sliding shoe 4, when the handle sliding shoe 4 with 5 phase front of handle locating piece backward against institute
Handle locating piece 5 is stated to limit 4 rear end of handle sliding shoe.
The location locking mechanism 6 has ripple pearl screw 60.The ripple pearl screw 60 is contained in the screw receiving hole.
The ripple pearl screw 60 is mold typical standard part.Fig. 3 is referred to, the ripple pearl screw 60 has screw shell, screw bullet
Spring and the screw decorative pearl on top of an official cap 600.The screw decorative pearl on top of an official cap 600 is pierced by the outside that the screw receiving hole is exposed to the handle front.Institute
The screw decorative pearl on top of an official cap 600 is stated under the action of the screw spring, can radially be shifted.
Grab the process of calculus: move forward the handle sliding shoe 4, drives the mesh basket sheet by the mesh basket traction fiber 20
Body 1 is gradually closed crawl.In the process, the screw decorative pearl on top of an official cap 600 is first pressed into the screw receiving hole by the handle sliding shoe 4
Inside, and when the screw receiving hole is radially overlapped with 41 phase of sliding shoe limit hole (that is, the handle sliding shoe 4 arrives
Up to its extreme position, indicate that crawl is completed), the screw decorative pearl on top of an official cap 600 just heads into the inside of the sliding shoe limit hole 41, institute
It states ripple pearl screw 60 to limit 4 front end of handle sliding shoe, the handle sliding shoe 4 is held in position motionless.It is not difficult to find out that this
Mode of operation does not need operator and holds the handle sliding shoe 4 always as mentioned in the background art, can subtract significantly in this way
The labor intensity of light work person avoids the hair for the insecurity factor that calculus falls off caused by taking stone in the process because situations such as promptly unstable
It is raw.
It unclamps the process of calculus: only needing operator's one-handed performance, push the handle sliding shoe 4 backward with finger, make
It obtains the screw decorative pearl on top of an official cap 600 to be separated with the sliding shoe limit hole 41, the ripple pearl screw 60 is released to the handle with this
The front end of sliding shoe 4 limits, easy to operate, time saving and energy saving.When the handle sliding shoe 4 move back to the handle locating piece 5
Phase front is backward against making the mesh basket ontology 1 restore releasing orientation.
Fig. 4 is referred to, the stress release mechanism 7 is mainly by spring retaining sleeve 71, spring sliding seat 72, inner conductor
73, the composition such as outer conductor 74, buffer spring 75, internal layer heat-shrink tube 76, outer layer heat-shrink tube 77 and push conduit 78.Preferably,
The inner conductor 73, the outer conductor 74, the internal layer heat-shrink tube 76, the outer layer heat-shrink tube 77 and the push conduit
78 select flexible pipe.
The spring retaining sleeve 71 is placed between the mesh basket sheath 2 and the control handle 3.
The spring sliding seat 72 is contained in the inside of the spring retaining sleeve 71 and will be in the spring retaining sleeve 71
Part is at fixing sleeve leading portion and fixing sleeve back segment.The front end of the mesh basket sheath 2 extends forwardly into the interior of the fixing sleeve back segment
Portion.The sliding seat that front and back perforation is formed in the spring sliding seat 72 passes through hole 720 and the sliding seat passes through hole 720 and is divided into
Across hole leading portion and pass through hole back segment.
The inner conductor 73 is contained in the inside of the fixing sleeve leading portion.The rear end of the inner conductor 73 back through
The sliding seat passes through the inside that hole 720 extends to the fixing sleeve back segment.
The outer conductor 74 is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the inner conductor 73.
The rear end of the outer conductor 74 extands rearward to the inside for passing through hole leading portion.The outside of the outer conductor 74 with it is described
Inner face across hole leading portion is mutually bonded.
The buffer spring 75 is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the outer conductor 74.
The buffer spring 75 has the movable end close to the spring sliding seat 72 and the fixing end far from the spring sliding seat 72.
The movable end of the buffer spring 75 and 72 phase front of spring sliding seat backward against or it is corresponding.
After the internal layer heat-shrink tube 76 is contained in the inside of the fixing sleeve back segment and is surrounded on the inner conductor 73
The periphery of end and the front end of the mesh basket sheath 2.The internal layer heat-shrink tube 76 extends forwardly into the inside for passing through hole back segment.
The outside of the internal layer heat-shrink tube 76 is mutually be bonded with the inner face across hole back segment.The inner face of the internal layer heat-shrink tube 76 is distinguished
It is mutually be bonded with the outside of the outside of the inner conductor 73 and the mesh basket sheath 2.
The push conduit 78 is contained in the inside at the handle rear portion.The rear end of the push conduit 78 extands rearward to
Between the inner conductor 73 and the outer conductor 74.
The outer layer heat-shrink tube 77 is contained in the inside of the fixing sleeve back segment and is surrounded on the internal layer heat-shrink tube 76
Periphery.The outer layer heat-shrink tube 77 gets up internal layer heat-shrink tube cladding, increases the inner conductor 73 and the mesh basket sheath
The intensity of the coupling part of pipe 2.The internal layer heat-shrink tube 76 and the outer layer heat-shrink tube 77 provide jointly for the mesh basket sheath 2
Flexible connection, can be effectively prevented from the mesh basket sheath 2 and fracture.
Wherein, the mesh basket draught line begins from the handle sliding shoe 4, successively by the push conduit 78, described interior
Layer conduit 73 and the mesh basket sheath 2, finally extend to the mesh basket ontology 1.
It is that the bonding is to be formed using quick-drying gelatin with requiring supplementation with.
It is that the matching relationship of the mesh basket ontology 1 and the mesh basket traction fiber 20 is either there is head knot with requiring supplementation with
Structure (see figure 5) is also possible to no header structure (see figure 6).
The working principle of the stress release mechanism 7: the mesh basket ontology 1 is received under the drive of the mesh basket traction fiber 20
To the rear end of the mesh basket sheath 2.If continuing to exert oneself, the spring sliding seat 72, the inner conductor 73, the outer conductor
74, the buffer spring 75, the internal layer heat-shrink tube 76, described outer layer heat-shrink tube 77 etc., which synchronize, shifts forward, and utilizes the bullet
Spring sliding seat 72 compresses the buffer spring 75, and excessive power is buffered with this, improves the safety of instrument, operator is avoided to exert oneself
The fracture of lithotomy net caused by excessive.If without the stress release mechanism 7, after exertin, then will lead to the mesh basket ontology 1 along
The axial relative movement of the mesh basket sheath 2 damages.
Fig. 7 is referred to, location locking mechanism in another embodiment is shown in the figure.The location locking mechanism is plastics
Buckle structure.The buckle structure is divided into two parts, and a part 82 is the same as the handle sliding shoe injection molding together, another part
81 with the control handle injection molding together, and contact surface engages similar to band structure to be positioned.
And embodiments of the present invention are only expressed above, the description thereof is more specific and detailed, but and cannot therefore manage
Solution is the limitation to patent of invention range.It should be pointed out that for those of ordinary skill in the art, not departing from this
Under the premise of inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, originally
The scope of protection shall be subject to the appended claims for patent of invention.
Claims (6)
1. a kind of stone extraction basket structure, which is characterized in that include,
Mesh basket ontology；
Mesh basket sheath, inner containment have mesh basket traction fiber；
Control handle is formed on the handle front and is disposed radially with handle front, middle handle and handle rear portion
Screw receiving hole；
Handle sliding shoe, is slidingly arranged at the middle handle and the handle sliding shoe shifts in the longitudinal direction, institute
State the sliding shoe limit hole for being formed with and being disposed radially on handle sliding shoe；
Handle locating piece is fixedly arranged at the handle rear portion, moves back the handle sliding shoe, when the handle sliding shoe
With handle locating piece phase front backward against the handle locating piece limits handle sliding shoe rear end；And
Location locking mechanism, with ripple pearl screw, the ripple pearl screw is contained in the screw receiving hole, the ripple pearl spiral shell
Silk has the screw decorative pearl on top of an official cap and the screw decorative pearl on top of an official cap is pierced by the outside that the screw receiving hole is exposed to the handle front, and move forward institute
Handle sliding shoe is stated, when mutually radial direction is overlapped the screw receiving hole with the sliding shoe limit hole, the screw decorative pearl on top of an official cap is just pushed up
Enter the inside of the sliding shoe limit hole, the ripple pearl screw limits handle sliding shoe front end；
Wherein, the mesh basket traction fiber is for connecting the mesh basket ontology and the handle sliding shoe.
2. a kind of stone extraction basket structure according to claim 1, which is characterized in that be formed on the middle handle along preceding
The sliding groove that rear direction extends, the handle sliding shoe are contained in the inside of the sliding groove.
3. a kind of stone extraction basket structure according to claim 1, which is characterized in that be formed with positioning on the handle rear portion
Slot, the handle locating piece are contained in the inside of the locating slot.
4. a kind of stone extraction basket structure as claimed in any of claims 1 to 3, which is characterized in that also include, by
Power release mechanism；
The stress release mechanism includes,
Spring retaining sleeve is placed between the mesh basket sheath and the control handle；
Spring sliding seat is contained in the inside of the spring retaining sleeve and the inside of the spring retaining sleeve is divided into fixing sleeve
Leading portion and fixing sleeve back segment, the front end of the mesh basket sheath extend forwardly into the inside of the fixing sleeve back segment, and the spring is living
The sliding seat that front and back perforation is formed on dynamic seat passes through hole and the sliding seat passes through hole and is divided into across hole leading portion and after passing through hole
Section；
Inner conductor is contained in the inside of the fixing sleeve leading portion, and the rear end of the inner conductor is back through the activity
Seat passes through the inside that hole extends to the fixing sleeve back segment；
Outer conductor is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the inner conductor, the outer layer
The rear end of conduit extands rearward to the inside for passing through hole leading portion, the outside of the outer conductor and described across hole leading portion
Inner face is mutually bonded；
Buffer spring is contained in the inside of the fixing sleeve leading portion and is surrounded on the periphery of the outer conductor, the buffering
Spring has the movable end close to the spring sliding seat and the fixing end far from the spring sliding seat, the buffer spring
Movable end and spring sliding seat phase front backward against or it is corresponding；
Internal layer heat-shrink tube, be contained in the inside of the fixing sleeve back segment and be surrounded on the inner conductor rear end and the net
The periphery of the front end of basket sheath, the internal layer heat-shrink tube extend forwardly into the inside for passing through hole back segment, the internal layer pyrocondensation
The outside of pipe is mutually be bonded with the inner face across hole back segment, the inner face of the internal layer heat-shrink tube respectively with the inner conductor
Outside and the outside of the mesh basket sheath are mutually bonded；And
Conduit is pushed, the inside at the handle rear portion is contained in, the rear end of the push conduit extands rearward to the internal layer
Between conduit and the outer conductor；
Wherein, the mesh basket draught line begins from the handle sliding shoe, successively by the push conduit, the inner conductor and
The mesh basket sheath finally extends to the mesh basket ontology.
5. a kind of stone extraction basket structure according to claim 4, which is characterized in that the stress release mechanism also includes
Have,
Outer layer heat-shrink tube is contained in the inside of the fixing sleeve back segment and is surrounded on the periphery of the internal layer heat-shrink tube.
6. a kind of stone extraction basket structure according to claim 4 or 5, which is characterized in that the bonding is using rapid-curing cutback
Glue forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117953.9A CN109646075A (en) | 2019-02-15 | 2019-02-15 | A kind of stone extraction basket structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117953.9A CN109646075A (en) | 2019-02-15 | 2019-02-15 | A kind of stone extraction basket structure |
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| CN109646075A true CN109646075A (en) | 2019-04-19 |
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ID=66122764
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910117953.9A Pending CN109646075A (en) | 2019-02-15 | 2019-02-15 | A kind of stone extraction basket structure |
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