CN106510817A - Medical foreign matter recoverer - Google Patents
Medical foreign matter recoverer Download PDFInfo
- Publication number
- CN106510817A CN106510817A CN201611025847.0A CN201611025847A CN106510817A CN 106510817 A CN106510817 A CN 106510817A CN 201611025847 A CN201611025847 A CN 201611025847A CN 106510817 A CN106510817 A CN 106510817A
- Authority
- CN
- China
- Prior art keywords
- terminal
- lasso
- string bag
- pipe
- withdrawer
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
-
- 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
- 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
- A61B2017/00526—Methods of manufacturing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a medical foreign matter recoverer. The recoverer comprises a handle unit and a net pocket unit, wherein the handle unit comprises a core rod and a sliding block; the sliding block is connected to the core rod in a sliding way; the net pocket unit comprises a net pocket, a ferrule, a pull rope and an outer pipe; the net pocket is fixed to the ferrule; two ends of the ferrule are connected with the pull rope; and the pull rope extends to a near end in the outer pipe and is connected to the sliding block. According to the recoverer, a binding rope connected with the net pocket is arranged at a far end of the ferrule; the near end of the ferrule comprises a first terminal and a second terminal; the tail of the other end of the first terminal is sleeved with a first bonding pipe; the tail of the other end of the second terminal is sleeved with a second bonding pipe; the first bonding pipe and the second bonding pipe are connected with a heat shrink pipe in a sleeved manner; the heat shrink pipe is located in the outer pipe; and the first terminal and the second terminal are both connected with one end of the pull rope.
Description
Technical field
The present invention relates to field of medical device, particularly a kind of medical foreign body withdrawer.
Background technology
Lasso, basket are widely used in capturing and reclaiming polyp specimen and foreign body with thing pincers are taken, and product can be used in
In the laparoscopy of human or animal, it is only necessary to can just be worked by a little opening, conventional gastrointestinal polyps
Excision, is exactly, by endoscopic forceps channel, first to entangle polyp with lasso, tighten up, then by polypectomy, or adopts high-frequency electrical, will
Polyp tissue is stripped out, then reclaims the polyp tissue for cutting off with the string bag, and this benefit with string bag recovery polyp tissue is
Ensure that the structural intergrity of polyp tissue.
In this process, the string bag and snare will very easily pass through endoscopic forceps channel, current most products
This point can be accomplished, net first near polyp tissue, is then stretched out from pipeline by the string bag when target polyp tissue is extracted
Come and open, net is lived into polyp slowly then, but adjustment string bag direction is not very convenient.
The content of the invention
Goal of the invention：The technical problem to be solved is for the deficiencies in the prior art, there is provided a kind of medical different
Thing withdrawer.
In order to solve above-mentioned technical problem, the invention provides a kind of medical foreign body withdrawer, including handle unit and net
Pocket unit, the handle unit include core bar and slide block, and the slide block is slidably connected on core bar, and the string bag unit includes net
Pocket, lasso, drag-line and outer tube, the string bag are fixed on lasso, and lasso connection drag-line, drag-line are connected to proximal extension in outer tube
Slide block.
In the present invention, the lasso distal end is provided with for connecting the bundle rope of the string bag, and lasso near-end includes the first terminal and
Two-terminal, the first terminal other end afterbody are cased with the first bonding pipe, and the afterbody of the Second terminal other end is cased with the second bonding pipe, the
Heat-shrink tube is socketed with jointly outside one bonding pipe and the second bonding pipe, heat-shrink tube is located in outer tube, and the first terminal and Second terminal are equal
One end of connection drag-line.Reusable heat draw socket after first bonding pipe and the second bonding Guan Yu string bag bonding.
In the present invention, a boosting bar is provided between the drag-line near-end and slide block, on the outside of boosting bar, is provided with more than one
Knob, is provided with hollow knob accommodating chamber on the outside of core distal end, knob combination accommodates intracavity, the knob axial direction installed in knob
The cross-section adaptation of a through hole, the through hole and boosting bar is provided with, knob drives boosting bar to rotate.
In the present invention, the proximal outer tube is provided with nut, and core distal end is provided with the screw thread being adapted to nut.Nut screwing clamping is arrived
On core bar, outer tube is fixed, facilitate slide block control drag-line stretching or reclaim the string bag.
In the present invention, on the outside of the proximal outer tube, protecting pipe is provided with.
In the present invention, the boosting bar cross section is square.
In the present invention, the boosting bar cross section is polygon.
In the present invention, the boosting bar cross section is ellipse.
In the present invention, lasso is made up of one section of filamentary material, and curved distal folds wedge angle, near-end both sides as the first terminal and
Second terminal.In the present invention, lasso is made up of more than two sections of filamentary material, and wedge angle is made in distal end stitching portion, and the two of ragged edge
Side filamentary material is used as the first terminal and Second terminal.
In the present invention, the shape of boosting bar cross section can have various so that knob can drive boosting bar to rotate, and help
Push rod cannot be rotated freely in knob.
In the present invention, the boosting bar near-end is provided with near-end limited block and distal end limited block, for limiting the axle of boosting bar
To displacement, prevent from coming off with knob.
The invention also discloses a kind of manufacture method of the withdrawer head of medical foreign body withdrawer, comprises the following steps：
Step 1：One section of lasso steel wire is taken, the angular lasso of distally is made；
Step 2：Prepare a piece of web material more than lasso, by the first terminal of lasso staggeredly through the two or more net of web material
Eye copies the cancellated string bag so as to form one；
Step 3：In lasso distal end sharp corner, lasso and the string bag are connected with bundle rope；
Step 4：The first bonding pipe of a polymerizable material is socketed on the first terminal, one is socketed in Second terminal
Second bonding pipe of polymerizable material, closes up lasso, by the string bag hot pressing of near-end on the first bonding pipe and the second bonding pipe, the
One terminal with simultaneously bond together with Second terminal, form the lasso of a closing；
Step 5：Unnecessary web material is wiped out, string bag near-end is enclosed within heat-shrink tube, carry out pyrocondensation, glued first on heat-shrink tube
Adapter, the second bonding pipe and the string bag are strengthened being secured together, so as to form withdrawer head.
In step 1, using moulds of industrial equipment thermal finalization mode.
Beneficial effect：The medical foreign body withdrawer production technology is easier, and qualification rate is higher, can adjust string bag side
To being conducive to user operation, be user-friendly to the product to cover and reclaim foreign body.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is done and is further illustrated, the present invention it is above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is the structural representation of embodiment；
Fig. 2 is partial enlarged drawing；
Fig. 3 is knob schematic diagram.
Specific embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
Embodiment：
Such as Fig. 1, a kind of medical foreign body withdrawer of the present embodiment offer, including bundle rope 1, lasso 2, the string bag 3, the first bonding
Pipe 4a, the second bonding pipe 4b, heat-shrink tube 5, outer tube 6, protecting pipe 7, nut 8, drag-line 9, boosting bar 10, upper knob 11, lower knob
12nd, slide block 13, near-end limited block 14, core bar 15, distal end limited block 16, the first terminal 17, Second terminal 18, knob accommodating chamber 19
With through hole 20；Wherein slide block 13 is slidably connected on core bar 15, and the string bag 3 is fixed on lasso 2,2 two ends of lasso connection drag-line 9,
Drag-line 9 is connected to slide block 13 to proximal extension in outer tube 6.
It is specifically, such as Fig. 2 that 2 two ends of lasso are the first terminal 17 and Second terminal 18, and it is viscous that the first terminal 17 is enclosed within first
In adapter 4a, Second terminal 18 is enclosed within the second bonding pipe 4b, and the first bonding pipe and the second bonding pipe are socketed in heat-shrink tube 5 jointly
Interior, heat-shrink tube 5 is socketed in outer tube 6, and the first terminal 17 and Second terminal 18 are all connected with drag-line 9.
It is specifically, such as Fig. 3, a boosting bar 10 is provided between 9 near-end of drag-line and slide block 13, one on the outside of boosting bar, is provided with
Knob above, 15 distal exterior of core bar are provided with more than one knob accommodating chamber 19, and knob combination is installed in knob accommodating chamber
In 19, the rotation axis is provided with the cross-section adaptation of a through hole 20, the through hole and boosting bar upwards, and knob drives boosting
Bar is rotated, and 6 near-end of the outer tube is provided with nut 8, and 15 distal end of core bar is provided with the screw thread being adapted to nut 8.6 proximal lateral of outer tube sets
There is protecting pipe 7.Boosting bar near-end is provided with near-end limited block 14 and distal end limited block 16.
In the present embodiment, a kind of manufacture method of the withdrawer head of medical foreign body withdrawer is comprised the following steps：
Step 1：One section of lasso steel wire is taken, the angular lasso of distally is made；
Step 2：Prepare a piece of web material more than lasso, by the first terminal of lasso staggeredly through the two or more net of web material
Eye copies the cancellated string bag so as to form one；
Step 3：In lasso distal end sharp corner, lasso and the string bag are connected with bundle rope；
Step 4：The first bonding pipe of a polymerizable material is socketed on the first terminal, one is socketed in Second terminal
Second bonding pipe of polymerizable material, closes up lasso, by the string bag hot pressing of near-end on the first bonding pipe and the second bonding pipe, the
One terminal with simultaneously bond together with Second terminal, form the lasso of a closing；
Step 5：Unnecessary web material is wiped out, string bag near-end is enclosed within heat-shrink tube, carry out pyrocondensation, glued first on heat-shrink tube
Adapter, the second bonding pipe and the string bag are strengthened being secured together, so as to form withdrawer head.
Wherein in step 1, using moulds of industrial equipment thermal finalization mode.
Withdrawer head specifically makes and using method：
The distal end of the string bag adopts binding mode, and web material is fixed on the distal end of lasso, and lasso interts successively through the string bag, closely
End respectively covers one-step polymerization thing sleeve pipe on the both sides of lasso, after lasso is closed up, by string bag hot pressing on this polymer, now, net
Together with polymer bonding, then lasso upper end unnecessary web material is removed, then puts heat-shrink tube, pyrocondensation, now net is by jail
The near-end of lasso is fixed on firmly.
After the string bag is made, then riveted using connecting tube with drag-line or laser welding, drag-line adopts multiply alloy-steel wire group
Into the material has very strong toughness, and the string bag can be driven to rotate.Drag-line passes through outer tube, is fixed on slide block in near-end, and drag-line is near
End is connected with boosting bar, and in this embodiment, boosting bar selects square boosting bar, respectively assembles a rotation up and down in square boosting bar
Button, upper knob 11 and lower knob 12, two knobs are got up by gluing or ultrasonic bonding, are assembled into a complete knob,
It is square through hole in knob, boosting bar can only longitudinal sliding motion in the knob, it is impossible to axial-rotation, and knob can drive boosting bar
Rotation, outer tube 6 are fixed on core bar by nut 8, and oral area increases protecting pipe 7.Upon rotation of the knob, it is possible to drive square helping
Push rod is rotated, and as square boosting bar and drag-line are riveted or are welded together, can thus drive drag-line to rotate, so as to drive
The dynamic string bag turns in outer tube inward turning, and knob can be rotated with left and right directions.
It is square boosting bar that the device drives drag-line rotary part, and this connecting rod can only longitudinal sliding motion, it is impossible to axially revolve
Turn, in square connecting rod, be fixed with two limited blocks, be separately fixed at the two ends of slide block, slide block limits the axial direction of square boosting bar
Degree of freedom, square boosting bar can be rotated in the case where knob drives, and slide block drives the axial movement of boosting bar, so as to the string bag is opened or
Reclaim.
The string bag product when in use, by the pincers road of scope, reaches foreign body position, then by moving handss to distal end
Slide block 13 on handle, the string bag 3 is opened, and drives square boosting bar 10 to rotate by knob, so as to adjust drag-line 9 and string bag side
To, taking foreign body is then covered, after foreign body is packaged, the string bag is slowly drawn in, thus foreign body can be enclosed within net by slide block of slowly dropping back
It is in pocket, then that foreign body is external.
The invention provides a kind of medical foreign body withdrawer, implements the method and approach of the technical scheme a lot, with
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the principle of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the present invention
Protection domain.In the present embodiment, clearly each ingredient not can use prior art to be realized.
Claims (10)
1. a kind of medical foreign body withdrawer, it is characterised in that including handle unit and string bag unit, the handle unit includes core
Bar (15) and slide block (13), the slide block (13) are slidably connected on core bar (15), and the string bag unit includes the string bag (3), set
Circle (2), drag-line (9) and outer tube (6), the string bag (3) are fixed on lasso (2), lasso (2) connection drag-line (9), and drag-line (9) is outside
Slide block (13) is connected to proximal extension in pipe (6).
2. a kind of medical foreign body withdrawer according to claim 1, it is characterised in that lasso (2) distal end is provided with use
In the bundle rope (1) of the connection string bag (3), lasso (2) near-end includes the first terminal (17) and Second terminal (18), the first terminal (17)
Other end afterbody is cased with the first bonding pipe (4a), and the afterbody of Second terminal (18) other end is cased with the second bonding pipe (4b), and first
Be socketed with jointly heat-shrink tube (5) outside bonding pipe and the second bonding pipe, heat-shrink tube (5) in outer tube (6), the first terminal (17) and
Second terminal (18) is all connected with one end of drag-line (9).
3. a kind of medical foreign body withdrawer according to claim 2, it is characterised in that drag-line (9) near-end and slide block
(13) a boosting bar (10) is provided between, knob on the outside of boosting bar, is provided with, core bar (15) distal exterior is provided with hollow knob is held
Receive chamber (19), knob is arranged in knob accommodating chamber (19), the rotation axis is provided with a through hole (20) upwards, the through hole with help
The cross-section adaptation of push rod, knob drive boosting bar to rotate.
4. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that outer tube (6) near-end is provided with spiral shell
Female (8), core bar (15) distal end is provided with the screw thread being adapted to nut (8).
5. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that outer tube (6) proximal lateral sets
There is protecting pipe (7).
6. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that the boosting bar cross section is side
Shape.
7. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that the boosting bar cross section is polygon
Shape.
8. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that the boosting bar cross section is ellipse
Shape.
9. a kind of medical foreign body withdrawer according to claim 3, it is characterised in that the boosting bar near-end is provided with near-end
Limited block (14) and distal end limited block (16).
10. a kind of manufacture method of the withdrawer head of medical foreign body withdrawer, it is characterised in that comprise the following steps：
Step 1：One section of lasso steel wire is taken, the angular lasso of distally (2) is made；
Step 2：Prepare a piece of web material more than lasso (2), by the first terminal (17) of lasso (2) staggeredly through two of web material
Above mesh copies the cancellated string bag (3) so as to form one；
Step 3：In lasso (2) distal end sharp corner, lasso (2) and the string bag (3) are connected with bundle rope (1)；
Step 4：The first bonding pipe (4a) of a polymerizable material is socketed on the first terminal (17), in Second terminal (18)
Second bonding pipe (4b) of one polymerizable material of socket, closes up lasso (2), by the string bag (3) hot pressing of near-end in the first bonding
On pipe (4a) and the second bonding pipe (4b), the first terminal (17) is with Second terminal (18) while bonding together, formation one is sealed
The lasso for closing；
Step 5：Unnecessary web material is wiped out, the string bag (3) near-end is enclosed within heat-shrink tube (5), carry out pyrocondensation, will on heat-shrink tube (5)
First bonding pipe (4a), the second bonding pipe (4b) and the string bag (3) are strengthened being secured together, so as to form withdrawer head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025847.0A CN106510817A (en) | 2016-11-17 | 2016-11-17 | Medical foreign matter recoverer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611025847.0A CN106510817A (en) | 2016-11-17 | 2016-11-17 | Medical foreign matter recoverer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106510817A true CN106510817A (en) | 2017-03-22 |
Family
ID=58351759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611025847.0A Pending CN106510817A (en) | 2016-11-17 | 2016-11-17 | Medical foreign matter recoverer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106510817A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742803A (en) * | 2018-07-04 | 2018-11-06 | 佛山市墨宸智能科技有限公司 | A kind of spiral mesh basket mondet forceps |
| CN109223119A (en) * | 2018-10-17 | 2019-01-18 | 陈哲 | Reality knurl vivo excision equipment used in laparoscopic surgery |
| CN110584795A (en) * | 2018-06-12 | 2019-12-20 | 江苏安特尔医疗科技有限公司 | Manufacturing process of medical net bag |
| CN111685809A (en) * | 2020-07-03 | 2020-09-22 | 重庆橙壹科技有限公司 | Improved extractor for gastrointestinal surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110584795A (en) * | 2018-06-12 | 2019-12-20 | 江苏安特尔医疗科技有限公司 | Manufacturing process of medical net bag |
| CN108742803A (en) * | 2018-07-04 | 2018-11-06 | 佛山市墨宸智能科技有限公司 | A kind of spiral mesh basket mondet forceps |
| CN109223119A (en) * | 2018-10-17 | 2019-01-18 | 陈哲 | Reality knurl vivo excision equipment used in laparoscopic surgery |
| CN109223119B (en) * | 2018-10-17 | 2021-06-22 | 陈哲 | Solid tumor body internal cutting equipment used in laparoscopic surgery |
| CN111685809A (en) * | 2020-07-03 | 2020-09-22 | 重庆橙壹科技有限公司 | Improved extractor for gastrointestinal surgery |
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Address after: 210061, No. 10, hi tech three road, Pukou hi tech Industrial Development Zone, Nanjing, Jiangsu Applicant after: Nanwei Medical Technology Co., Ltd Address before: 210061, No. 10, hi tech three road, Pukou hi tech Industrial Development Zone, Nanjing, Jiangsu Applicant before: Micro-Tech (Nanjing) Co., Ltd. |
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Application publication date: 20170322 |