CN106137278B - Resection organization's extractor - Google Patents
Resection organization's extractor Download PDFInfo
- Publication number
- CN106137278B CN106137278B CN201610586834.4A CN201610586834A CN106137278B CN 106137278 B CN106137278 B CN 106137278B CN 201610586834 A CN201610586834 A CN 201610586834A CN 106137278 B CN106137278 B CN 106137278B
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- outer tube
- support frame
- ring
- material bag
- tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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 resection organization's extractor, including outer tube and can be along the inner tube that its inner wall moves back and forth, the distal end of inner tube is located in outer tube lumen, the support frame made of shape-memory material with open loop is arranged in distal outer tube lumen contract, material bag is arranged on support frame, the opening of support frame extends outward to form two free ends, the free end is fixedly connected with inner tube distal end, the material bag for being located at the opening simultaneously is connected by line with proximal outer tube, and the line is in bending state；Push inner tube that support frame and material bag is made to remove outer tube for the first time and when line reaches tight state, support frame and material bag open completely；When retracting inner tube makes part support frame be contracted to distal outer tube lumen, material bag sack to tighten therewith and be co-located at outer tube side with another part support frame, line is detached from tight state；When pushing inner tube that line is made to reach tight state again, support frame and material bag open completely；It realizes material bag and repeats opening and closing.
Description
Technical field
The present invention relates to a kind of surgical instruments, in particular to the pathological tissues in endoscope-assistant surgery for that will cut off take out external
Resection organization's extractor.
Background technique
In endoscope-assistant surgery, generallys use resection organization's extractor and take the pathological tissues that living body is cut off out of operative space
Out.Common extractor includes cylindrical long tube, material bag 4, support frame 3, inner tube and handle, around material outside support frame 3
Support frame 3 is recovered into cylindrical long tube by drawing handle when use by the sack of bag 4, and 4 sack of material bag is long by cylinder
Spout part is limited and is closed；But after 4 sack of material bag is closed, because between 4 sack of material bag and support frame 3 there are frictional force, to
Before when being again pushed into handle, 4 sack of material bag of closing is mobile with 3 one of support frame, such as Fig. 1, so that 4 sack of material bag can not
It opens again；Therefore, the current material bag for taking sundries can only be opened and closed disposably.
And generally require to cut off multiple tissues in performing the operation, to avoid the extractor bring constantly more renewed in surgical procedure
The problems such as trivial operations, operating time lengthen, operation cost improves, safety reduces, therefore, the tissue first cut off in art need to be put
It sets and is waited in patient's body lumen, until can be all included in extractor after cutting off all pathological tissues, sold by extractor band
Art space；This process is likely to cause the Implantation matastasis of sick cell, causes to seriously affect to the health of patient.And
And it is current take sundries material bag sack can not accurate adjusting size, cannot mutually be fitted with the tissue size actually cut off in operation
Match, takes out pathological tissues to operator and bring inconvenience.
Summary of the invention
Goal of the invention: can be more it is an object of the invention to aiming at the problems existing in the prior art, provide a kind of material bag
Resection organization's extractor that secondary folding and material bag sack can be adjusted accurately.
Technical solution: resection organization's extractor of the present invention, including outer tube and in can moving back and forth along its inner wall
Pipe, the distal end of inner tube are located in outer tube lumen, and distal outer tube lumen contract, which is arranged to have made of shape-memory material, to be opened
The support frame of ring is arranged material bag on the support frame, and the opening of support frame extends outward to form two free ends, the freedom
End is fixedly connected with inner tube distal end, while the material bag for being located at the opening is connected by line with proximal outer tube, and the line
In bending state；Push inner tube that support frame and material bag is made to remove outer tube for the first time and when line reaches tight state, support frame
It is opened completely with material bag；Retracting inner tube makes that part support frame is contracted to distal outer tube lumen, material bag sack is tightened simultaneously therewith
When being co-located at outer tube side with another part support frame, line is detached from tight state；Push inner tube that line is made to reach tight shape again
When state, support frame and material bag open completely.
After pushing inner tube to open support frame and material bag completely for the first time, retracting inner tube makes support frame into outer tube lumen
It shrinks, two free ends of support frame drive entire support frame to slide relative to material bag at this time, and support frame is farthest
End slides also relative to distal outer tube, and the distance of sliding is bigger, and material bag sack is with regard to smaller, when the distalmost end approach of support frame is outer
When pipe distal end, sack is closed completely, simultaneously as material bag is always positioned on the outside of outer tube, therefore the position of line distal end becomes
Change less, line is only made to be detached from tight state；When needing to be again turned on material bag storage tissue, inner tube is pushed, support frame is most
Distal end is slided, while the material bag at support frame distalmost end being driven to slide, since the material bag of support frame opening is by line
Tractive force cause opposing stationary with outer tube herein, the material bag at support frame distalmost end can not be followed to synchronize and be subjected to displacement, made
Obtaining material bag sack can be opened again.
Preferably, line is polyurethane line or nylon wire.
Preferably, which further includes sealing ring, along sealing ring inner wall to the projecting inward formation of ring for wrapping
Enclose the outer ring of outer tube and the inner ring for surrounding inner tube, wherein outer ring and inner ring coaxial arrangement, junction form cyclic annular convex
It rises, the proximal end of outer tube is butted on the high spot, and inner tube can move back and forth along inner ring inner wall.
Further, inner ring is located in the ring of outer ring or outside ring.
Further, interference fit is respectively formed between outer ring and outer tube, inner ring and inner tube.
Above-mentioned sealing ring is silica gel sealing ring.
Above-mentioned shape-memory material is marmem or elastic material；Preferably, marmem is NiTi shape
Shape memory alloys；Further, elastic material is medical stainless steel spring or elastic polymer material.
The proximal end of above-mentioned inner tube is fixedly connected with handle, which is located on the outside of outer tube.
The distal end of above-mentioned outer tube is fixedly connected with handle, and the proximal end of inner tube is pierced by the handle.
The utility model has the advantages that compared with the prior art, the advantages of the present invention are as follows: (1) present invention is by adding line, and will support
The material bag and line of frame opening carry out flexibility and fix, when needing to be again turned on the material bag after tightening, since support frame is opened
The material bag at mouthful place is caused opposing stationary with outer tube herein by the tractive force of line, can not follow the rest part of material bag is synchronous to send out
Raw displacement, enables material bag sack to be opened again, and so as to realize the repetition folding of material bag sack, cuts off every time
It can be included in material bag after pathological tissues, effectively avoid the sick cell Implantation matastasis that may cause in art, while energy
Enough simplify the operating process of performer, effectively saves operating time, reduces operation cost；(2) after the tightening of material bag sack, operation
Person can adjust openings of sizes when material bag opens again by control thrust size, enable performer more easily will be sick
Become tissue to be included in material bag；(3) present invention is by adding sealing ring, so that between inner and outer pipe and external environment and outer tube
Sealing structure is formed between inner tube, is effectively kept the normal maintenance of pneumoperitoneum in operative space, is avoided inner tube during push-and-pull
Caused by gas leakage, further increase the safety of operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when material bag of resection organization's extractor in the prior art is released again；
Fig. 2 is the perspective view of resection organization's extractor of the invention；
Fig. 3 is the structural schematic diagram of resection organization's extractor of the invention in the initial state；
Fig. 4 a is the main view of resection organization's extractor of the invention under material bag sack open configuration；
Fig. 4 b is the top view of material bag of the invention when sack opens；
Fig. 4 c is the enlarged drawing in Fig. 4 b at A；
Fig. 5 a is the main view of resection organization's extractor of the invention under material bag sack closed state；
Fig. 5 b is the top view of material bag of the invention when sack is closed；
Fig. 5 c is the enlarged drawing in Fig. 5 b at B；
Fig. 6 a is the perspective view of sealing ring of the invention；
Fig. 6 b is the cross-sectional view of sealing ring of the invention；
Fig. 7 is the assembling figure of part in handle and handle of the invention；
Fig. 8 is the installation diagram of sealing ring of the invention and the first fixed ring and the second fixed ring.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawing.
Such as Fig. 2, resection organization's extractor of the invention, including outer tube 1, inner tube 2, support frame 3 and material bag 4.The present invention
In, for convenience of understanding, resection organization's extractor is defined as proximal end close to one end of operator, close to the one of operative site
End is defined as distal end.
Outer tube 1 is set in outside inner tube 2, inner tube 2 can the inner wall of outer tube 1 move back and forth, and the distal end of inner tube 2 is located at outer tube
In 1 lumen；The proximal end of inner tube 2, which can be located at 1 outside of outer tube, can also be fixedly connected with one in the proximal end of inner tube 2 for convenience of operating
Hand 7 is such as connected by bolt, and handle 7 is located at 1 outside of outer tube；The distal end of outer tube 1 can also be fixedly connected with handle 8, such as ears hand
Handle, the proximal end of inner tube 2 is pierced by the handle 8, in use, proficiency gripping handle 8, the position of resection organization's extractor is fixed, separately
Push-and-pull inner tube 2 or handle 7 move inner tube 2 in outer tube 1 on the other hand.
Outer tube 1 can be directly fixedly connected with handle 8, and the locking steel ring 81 being fixedly connected and can also be arranged in handle 8
One fixed ring 82, first fixed ring 82 and locking steel ring 81 are coaxial；Such as Fig. 7, the first fixed ring 82 is fixedly connected with handle 8,
It is such as connected by a snap, and is internally provided with the first fixation hole to match with 1 outer diameter of outer tube, the proximal end insertion first of outer tube 1
In fixation hole, and the outer wall of tooth-shape structure and outer tube 1 for locking steel ring 81 offsets, and is securely fixed, prevent its from rotate with
It moves left and right, can effectively prevent the loosening of outer tube 1.
Support frame 3 is the annular with opening, and material bag 4 is set on support frame 3；The opening of support frame 3 is to extension
It stretches to form two free ends 31, two free ends 31 are fixedly connected with the distal end of inner tube 2；It can be arranged on two free ends 31
Fixing buckle can also be arranged buckle outside fixing buckle, be then inserted into inner tube 2, by bolt connection make free end 31 with
Inner tube 2 is fixed；Support frame 3 is made of shape-memory material, which can be marmem, such as NiTi shape
Shape memory alloys can also be elastic material, such as medical stainless steel spring, elastic polymer material.
Line 5 is equipped between inner tube 2 and outer tube 1, line 5 can be the flexible wires such as polyurethane line, nylon wire；The connection of its proximal end is outer
1 proximal end of pipe is distally connect with the material bag 41 of 3 opening of support frame, is formed flexible fixed.
Such as Fig. 3, under original state, it is intracavitary that material bag 4 with support frame 3 is contracted in 1 distal tube of outer tube, and line 5 is managed in outer tube 1
It is intracavitary to be in bending state；
Inner tube 2 is pushed for the first time, and support frame 3 and material bag 4 move in 1 lumen of outer tube with inner tube 2, until fully extended
The tension of outer tube 1, support frame 3 struts the sack of material bag 4 completely, at this point, 5 distal end of line reaches furthest travel, it is in tight shape
State, such as Fig. 4 a~4c；
Inner tube 2 is retracted, makes support frame 3 to 1 lumen contract of outer tube, two free ends 31 of support frame 3 drive whole at this time
A support frame 3 slides relative to material bag 4, and support frame 3 distalmost end (i.e. in the ring structure of support frame 3 with outer tube 1
Distal end apart from farthest position) distally slid also relative to outer tube 1, the distance of sliding is bigger, the sack of material bag 4 with regard to smaller,
When the distalmost end of support frame 3 approaches 1 distal end of outer tube, sack is closed completely, at this point, most of support frame is located at outer tube 1
Distal tube is intracavitary, and material bag 4 and sub-fraction support frame are co-located at 1 outside of outer tube, therefore the change in location of 5 distal end of line is not
Greatly, line 5 is only made to be detached from tight state, such as Fig. 5 a~5c；
When needing to be again turned on the storage tissue of material bag 4, inner tube 2 is pushed, the distalmost end of support frame 3 is slided, together
When drive support frame distalmost end at material bag sliding, since the material bag 41 of 3 opening of support frame is caused by the tractive force of line 5
It is opposing stationary with outer tube 1 herein, the material bag at support frame distalmost end can not be followed to synchronize and be subjected to displacement, so that 4 bags of material bag
Mouth can be opened again；When 4 sack of material bag opens completely again, such as Fig. 4 a~4c, line 5 becomes tight state again.
The present invention is by the opening again after adding realization 4 sack of the material bag closure of line 5, to realize the weight of material bag 4
It is multiple to open and close, it can be included in material bag after each removal lesion tissue, effectively avoid the sick cell that may cause in art
Implantation matastasis, while the operating process of performer can be simplified, operating time is effectively saved, reduce operation cost.4 bags of material bag
During mouth opens again, the degree that operator can be pushed out the thrust size of inner tube 2, control support frame 3 by control,
To adjust openings of sizes when material bag 4 opens again, performer is enable more easily to take out pathological tissues.
Resection organization's extractor may also include sealing ring 6, such as Fig. 6 a~6b, along 6 inner wall of sealing ring to the projecting inward formation of ring
Outer ring 61 and inner ring 62, outer ring 61 are enclosed in outside outer tube 1, and the size of interior bone and the outer diameter of outer tube 1 match, operation
When, intraperitoneal formation pneumoperitoneum can make outer tube 1 and abdominal cavity outside when resection organization's extractor is placed in pneumoperitoneum for a long time
Between keep sealing；Inner ring 62 is enclosed in outside inner tube 2, and the outer diameter of the size and inner tube 2 of interior bone matches, when performing the operation long
Between when carrying out, can make to keep sealing between inner tube 2 and abdominal cavity outside；Inner tube 2 can move back and forth along 62 inner wall of inner ring, so as to phase
Outer tube 1 is moved back and forth；Outer ring 61 and inner ring 62 are coaxially disposed, and the junction of the two forms annular projection 63, outer tube 1 it is close
End is butted at the protrusion 63, makes to keep sealing between inner tube 2 and outer tube 1, when inner tube 2 is moved relative to outer tube 1, can be prevented
Gas leakage between inner and outer pipe guarantees the normal maintenance of intraperitoneal pneumoperitoneum.
The size of 61 inner via hole of outer ring can be slightly less than the outer diameter of outer tube 1, the size of 62 inner via hole of inner ring can be slightly less than inner tube 2
Outer diameter, make the component cooperated two-by-two contact site formed be interference fitted, by inner and outer pipe tube body to 6 inner via hole of sealing ring
Extruding, so that sealing ring 6 and inner and outer pipe contact site is completely cut off air；Outer ring 61 and inner ring 62 may be configured as concentric ring, and bias can
Gap is generated when can will lead to tube body and the assembly of sealing ring 6, reduces the sealing effect of sealing ring 6.Lead in outer ring 61 and inner ring 62
The both ends in hole can be set as oblique angle, by the rounding off at oblique angle, so that inner tube 2, outer tube 1 and the assembly of sealing ring 6 are more convenient, together
When can make the smooth sliding in inner ring 62 of inner tube 2.
Sealing ring 6 can be located in the handle 8 of proximal outer tube, be used cooperatively with the first fixed ring 82 and locking steel ring 81, this
When, it also needs to increase by the second fixed ring 83, such as Fig. 8, in handle 8, the first fixed ring 82, sealing ring 6 and the second fixed ring 83 are successively
Be fixedly connected, the first fixed ring 82, the second fixed ring 83 are fixed with handle 8, and be equipped in the second fixed ring 83 with outside inner tube 2
The second fixation hole that diameter matches；The proximal end of outer tube 1 sequentially passes through the outer ring of locking steel ring 81, the first fixed ring 82, sealing ring 6
It 61 and offsets with annular projection 63, the proximal end of inner tube 2 is pierced by the proximal end of outer tube 1 and sequentially passes through the inner ring of sealing ring 6
62, the second fixed ring 83, it is fixed with handle 7, by by sealing ring 6 and locking steel ring 81, the first fixed ring 82, the second fixed ring
83 are used cooperatively, and can effectively prevent 6 seal failure of sealing ring caused by outer tube 1 loosens.
Claims (7)
1. a kind of resection organization's extractor, which is characterized in that including outer tube (1) and can along the inner tube (2) that its inner wall moves back and forth,
The distal end of inner tube (2) is located in outer tube (1) lumen, and the intracavitary contraction of outer tube (1) distal tube is arranged made of shape-memory material
Support frame (3) with open loop is arranged material bag (4) on the support frame (3), and the opening of support frame (3) extends outward to form
Two free ends (31), the free end (31) are distally fixedly connected with inner tube (2), while being located at the material bag of the opening
(41) it is connected by line (5) with outer tube (1) proximal end and the line (5) is in bending state；Inner tube (2) are pushed to make to support for the first time
Frame (3) and material bag (4) remove outer tube (1) and when line (5) reach tight state, and support frame (3) and material bag (4) are opened completely
It opens；Retract inner tube (2) make that part support frame (3) is contracted to outer tube (1) distal end lumen, material bag (4) sack is closed therewith and with
When another part support frame (3) is co-located at outer tube (1) side, line (5) is detached from tight state；Inner tube (2) are pushed to make line again
(5) when reaching tight state, support frame (3) and material bag (4) open completely；The line (5) is polyurethane line；
Further include sealing ring (6), along sealing ring (6) inner wall to ring it is projecting inward formed for surround outer tube (1) outer ring (61) and
For surrounding the inner ring (62) of inner tube (2), wherein outer ring (61) and inner ring (62) coaxial arrangement, junction form cyclic annular convex
It rises (63), the proximal end of the outer tube (1) is butted at the protrusion (63), and inner tube (2) can move back and forth along inner ring (63) inner wall；It is described
Interference fit is respectively formed between outer ring (61) and outer tube (1), inner ring (62) and inner tube (2).
2. resection organization's extractor according to claim 1, which is characterized in that the inner ring (62) is located at outer ring (61)
In ring or outside ring.
3. resection organization's extractor according to claim 1, which is characterized in that the sealing ring (6) is silica gel sealing ring.
4. resection organization's extractor according to claim 1, which is characterized in that the shape-memory material is shape memory
Alloy or elastic material.
5. resection organization's extractor according to claim 4, which is characterized in that the marmem is NiTi shape
Memorial alloy, the elastic material are medical stainless steel spring or elastic polymer material.
6. resection organization's extractor according to claim 1, which is characterized in that the proximal end of said inner tube (2) is fixedly connected
There are handle (7), which is located on the outside of outer tube (1).
7. resection organization's extractor according to claim 1, which is characterized in that the distal end of the outer tube (1) is fixedly connected
Have handle (8), the proximal end of inner tube (2) is pierced by the handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586834.4A CN106137278B (en) | 2016-07-22 | 2016-07-22 | Resection organization's extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610586834.4A CN106137278B (en) | 2016-07-22 | 2016-07-22 | Resection organization's extractor |
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| Publication Number | Publication Date |
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| CN106137278A CN106137278A (en) | 2016-11-23 |
| CN106137278B true CN106137278B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610586834.4A Active CN106137278B (en) | 2016-07-22 | 2016-07-22 | Resection organization's extractor |
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| CN (1) | CN106137278B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220100955A (en) | 2019-11-15 | 2022-07-18 | 어플라이드 메디컬 리소시스 코포레이션 | Re-deployable Tissue Retrieval System |
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| CN104783843A (en) * | 2015-04-22 | 2015-07-22 | 联合微创医疗器械（深圳）有限公司 | Minimally invasive surgery fetching bag capable of being disassembled |
| CN206102679U (en) * | 2016-07-22 | 2017-04-19 | 南京东万生物技术有限公司 | Extractor is organized in excision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1528244A (en) * | 2003-10-17 | 2004-09-15 | 李艳芳 | Recycled biological sample bag |
| CN102327134A (en) * | 2010-07-13 | 2012-01-25 | 周星 | Novel endoscope object taking bag and delivery system |
| EP2783636A1 (en) * | 2010-10-04 | 2014-10-01 | Covidien LP | Surgical retrieval apparatus |
| CN202355445U (en) * | 2011-11-16 | 2012-08-01 | 常州市久虹医疗器械有限公司 | Spherical stone removing net basket |
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| CN204484239U (en) * | 2015-03-13 | 2015-07-22 | 广州维力医疗器械股份有限公司 | Negative pressure suction device |
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| CN106137278A (en) | 2016-11-23 |
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