CN105708504A - Endoscopic extracting mesh basket and preparation method thereof - Google Patents
Endoscopic extracting mesh basket and preparation method thereof Download PDFInfo
- Publication number
- CN105708504A CN105708504A CN201610131240.4A CN201610131240A CN105708504A CN 105708504 A CN105708504 A CN 105708504A CN 201610131240 A CN201610131240 A CN 201610131240A CN 105708504 A CN105708504 A CN 105708504A
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- CN
- China
- Prior art keywords
- arc sections
- snare
- microendoscopic
- thing basket
- mesh bag
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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
- 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
- A61B17/50—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
- 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 discloses an endoscopic extracting mesh basket and a preparation method thereof, and relates to the field of medical apparatus and instruments, in particular to the endoscopic extracting mesh basket. The endoscopic extracting mesh basket comprises a ferrule and a mesh bag; the mesh bag and the ferrule are bonded by liquid polyurethane. According to the preparation method disclosed by the invention, the safe non-toxic endoscopic extracting mesh basket is prepared by applying a liquid polyurethane prepolymer to the medical apparatus and instruments; the endoscopic extracting mesh basket is relatively high in strength, and is enough to meet the application need of endoscopic extracting; production steps are simple, cost is relatively low, and production efficiency is extremely high; any solvent or additive is not used in a whole process, so that the whole process is very safe.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of endoscope takes thing basket and preparation method thereof.
Background technology
Endoscope takes thing basket and is formed by connecting by snare and mesh bag, and its application is with internal, it is likely that contact blood, so snare and mesh bag abstain from glue when connecting very much.Given this, existing endoscope takes thing basket and all adopts the form by snare and mesh bag line are pricked to link together, more firm in order to what snare and mesh bag were connected, need in the middle of snare, repeatedly penetrate very thin film filament, it is wound around, causing that the difficulty of binding is very high, inefficient, production cost is also high.
Summary of the invention
The present invention is in order to overcome the deficiency of above-mentioned technical problem, it is provided that a kind of endoscope takes thing basket and preparation method thereof, it is possible to be fully solved above-mentioned technical problem.
The technical scheme solving above-mentioned technical problem is as follows:
A kind of endoscope takes thing basket, and including snare and mesh bag, mesh bag adopts bonding way to be connected with snare.
Described mesh bag is bonding by liquid polyurethane hot setting with snare, and liquid polyurethane is the base polyurethane prepolymer for use as of liquid.
Described snare includes the first arc sections, second arc sections and transition part, the first described arc sections, second arc sections and transition part one bending and molding, described intermediate location is in the front end of the first arc sections and the second arc sections, the first described arc sections and the end of the second arc sections are connected with one end of connecting tube by laser weld, the connecting tube other end and manipulation titanium-nickel wire are welded to connect, described transition part includes the first connecting portion and the second connecting portion, one end of the first described connecting portion and the first arc sections are by the first circular sliding slopes, one end of the second described connecting portion and the second arc sections are by the second circular sliding slopes, the other end of the first described connecting portion and the other end of the second connecting portion are connected by three-arc.
Described snare is formed by steel wire rope one bending or high-temperature shaping.
Described steel wire rope is formed by the steel wire winding that 5～10 diameters are 0.05～0.2mm.
Described steel wire is 304 stainless steel silks or 316 stainless steel silks.
Described mesh bag is silk screen or thin film.
Present invention also offers the preparation method that this endoscope takes thing basket, comprise the following steps:
Steel wire rope bending or high-temperature shaping are become snare, welded with connecting tube, then snare and mesh bag are positioned in mould on request, liquid polyurethane is injected again in mould, together with product, mould is inserted hot environment makes liquid polyurethane solidify, temperature adopts 75～130 DEG C, and after solidifying 30～60 minutes, taking-up is cooled to room temperature and namely completes the bonding of snare and mesh bag.
Having it is a further object to provide the application at medical instruments field of a kind of liquid polyurethane performed polymer, liquid polyurethane performed polymer can be applied in medical instruments field with the form of bonding agent.
The adhesion principle of liquid polyurethane performed polymer is different from the polyurethanes adhesive on conventional meaning, especially moisture-curable class adhesive for polyurethane, this kind of adhesive for polyurethane reaches bonding also with the viscosity of polyurethane itself, it is distinctive in that polyurethanes gluing is to be coated on product by the polyurethanes adhesive being warmed to 80 DEG C, by solidifying thus reaching bonding purpose with the reaction of moisture in air, if air overdrying, then can not rapid solidification, it is that solid-state exists before using, and heating could soften after 80 DEG C；Liquid polyurethane performed polymer then contrast, is be warmed to 75～130 DEG C of solidifications after being injected into mould, and in cooling procedure, environment need to be very dry, can not contact wetting, its use before be liquid.The common purposes of liquid polyurethane is used as cast sheath or protective layer purposes, has artificial blood vessel, artificial heart valve etc shaped article at normal usage medically, generally not as adhesive purposes.
Liquid polyurethane performed polymer is applied in the bonding effect of medical apparatus and instruments by the present invention, and the endoscope being prepared for a kind of safety non-toxic takes thing basket, has higher intensity, it is sufficient to meets endoscope and takes thing application.Production stage is simple, less costly, and production efficiency is high.Whole process does not use any solvent or additive, very safe.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of transition part；
In figure: 1 is snare, 2 is mesh bag, and 3 is transition part, and 11 is the first arc sections, and 12 is the second arc sections, and 31 is the first connecting portion, and 32 is the second connecting portion, and 33 is the first circular arc, and 34 is the second circular arc, and 35 is three-arc, and 4 is connecting tube, and 5 is manipulation titanium-nickel wire.
Detailed description of the invention
A kind of endoscope as shown in Figure 1 takes thing basket, and including snare 1 and mesh bag 2, mesh bag 2 is bonding with snare 1.
Described mesh bag 2 is bonding by the base polyurethane prepolymer for use as hot setting of liquid with snare 1.
Described snare 1 includes the first arc sections 11, second arc sections 12 and transition part 3, the first described arc sections 11, second arc sections 12 and transition part 3 one bending and molding, described transition part 3 is positioned at the front end of the first arc sections 11 and the second arc sections 12, the first described arc sections 11 and the end of the second arc sections 12 are connected with one end of connecting tube 4 by laser weld, connecting tube 4 other end and manipulation titanium-nickel wire 5 are welded to connect, described transition part 3 includes the first connecting portion 31 and the second connecting portion 32, one end of the first described connecting portion 31 is connected by the first circular arc 33 with the first arc sections 11, one end of the second described connecting portion 32 is connected by the second circular arc 34 with the second arc sections 12, the other end of the first described connecting portion 31 and the other end of the second connecting portion 32 are connected by three-arc 35.
Described snare 1 is formed by steel wire rope one bending or high-temperature shaping.
Described steel wire rope is formed by the steel wire winding that 5～10 diameters are 0.05～0.2mm.
Described steel wire is 304 stainless steel silks or 316 stainless steel silks.
Described mesh bag 2 is silk screen or thin film.
The endoscope that the present invention produces takes thing basket before the use, it is compressed in a tubule, after tubule is stretched to human body, by artificial push-and-pull tubule internal that arrange with take push rod that thing basket weld part is connected endoscope taken thing basket release tubule, endoscope takes thing basket Automatic-expanding and desirable thing, one circular arc transition part is set owing to the endoscope of the present invention takes thing basket so that endoscope takes thing basket and can be easier to launch, convenient use.
Liquid polyurethane performed polymer is applied in medical apparatus and instruments by the present invention, and the endoscope being prepared for a kind of safety non-toxic takes thing basket, has higher intensity, it is sufficient to meets endoscope and takes thing application.Production stage is simple, less costly, and production efficiency is high.Whole process does not use any solvent or additive, very safe.
The above, be only presently preferred embodiments of the present invention, the present invention not does any pro forma restriction, any simple modification that above example is made by every technical spirit according to the present invention, equivalent variations, each falls within protection scope of the present invention.
Claims (9)
1. Microendoscopic takes a thing basket, including snare and mesh bag, it is characterised in that described mesh bag adopts bonding way to be connected with snare.
2. a kind of Microendoscopic according to claim 1 takes thing basket, it is characterised in that described mesh bag is bonding by liquid polyurethane hot setting with snare.
3. a kind of Microendoscopic according to claim 1 takes thing basket, it is characterized in that, described snare includes the first arc sections, second arc sections and transition part, the first described arc sections, second arc sections and transition part one bending and molding, described intermediate location is in the front end of the first arc sections and the second arc sections, the first described arc sections and the end of the second arc sections are connected with one end of connecting tube by laser weld, the connecting tube other end and manipulation titanium-nickel wire are welded to connect, described transition part includes the first connecting portion and the second connecting portion, one end of the first described connecting portion and the first arc sections are by the first circular sliding slopes, one end of the second described connecting portion and the second arc sections are by the second circular sliding slopes, the other end of the first described connecting portion and the other end of the second connecting portion are connected by three-arc.
4. a kind of Microendoscopic according to claims 1 to 3 takes thing basket, it is characterised in that described snare is formed by steel wire rope one bending or high-temperature shaping.
5. a kind of Microendoscopic according to claim 4 takes thing basket, it is characterised in that described steel wire rope is formed by the steel wire winding that 5～10 diameters are 0.05～0.2mm.
6. a kind of Microendoscopic according to claim 5 takes thing basket, it is characterised in that described steel wire is stainless steel silk.
7. a kind of Microendoscopic according to claim 1 takes thing basket, it is characterised in that described mesh bag is silk screen or thin film.
8. the preparation method that the Microendoscopic as described in claim 1～7 takes thing basket, it is characterised in that comprise the following steps:
Steel wire rope bending or high-temperature shaping are become snare, welded with connecting tube, then snare and mesh bag are positioned in mould on request, liquid polyurethane is injected again in mould, together with product, mould is inserted hot environment makes liquid polyurethane solidify, temperature adopts 75～130 DEG C, and after solidifying 30～60 minutes, taking-up is cooled to room temperature and namely completes the bonding of snare and mesh bag.
9. a liquid polyurethane is in the application of medical instruments field, it is characterised in that liquid polyurethane can be applied in medical instruments field with the form of bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131240.4A CN105708504A (en) | 2016-03-08 | 2016-03-08 | Endoscopic extracting mesh basket and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131240.4A CN105708504A (en) | 2016-03-08 | 2016-03-08 | Endoscopic extracting mesh basket and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105708504A true CN105708504A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610131240.4A Pending CN105708504A (en) | 2016-03-08 | 2016-03-08 | Endoscopic extracting mesh basket and preparation method thereof |
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| CN (1) | CN105708504A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359413A (en) * | 1999-03-09 | 2002-07-17 | 卫生与营养实验室 | Novel hydrocolloid adhesive mass with improved resistance to deterioration of its absorption capacity after being sterilised by radiation |
| US20050096611A1 (en) * | 2003-10-30 | 2005-05-05 | Stoyer Brian C. | Multi-adhesive medical appliance |
| CN101563381A (en) * | 2006-11-14 | 2009-10-21 | 迈图高新材料集团 | Adhesive-forming composition and blend of adhesives obtained therefrom |
| CN102008745A (en) * | 2009-09-08 | 2011-04-13 | 张娟娟 | Medical pressure sensitive adhesive |
| CN202761370U (en) * | 2012-04-26 | 2013-03-06 | 常州乐奥医疗科技有限公司 | Novel gallstone removing device |
| CN103561785A (en) * | 2011-05-03 | 2014-02-05 | 粘合剂研究股份有限公司 | Pressure sensitive adhesive for application on skin and process for the production thereof |
| CN203970516U (en) * | 2014-07-10 | 2014-12-03 | 江苏唯德康医疗科技有限公司 | Overlay film band net foreign body forceps |
| CN104548194A (en) * | 2014-12-18 | 2015-04-29 | 方萌 | Medical high-performance binding agent |
| CN204364096U (en) * | 2014-11-25 | 2015-06-03 | 安瑞医疗器械(杭州)有限公司 | Foreign matter removal device |
| CN205586056U (en) * | 2015-12-08 | 2016-09-21 | 江苏安特尔医疗科技有限公司 | String bag and foreign matter pincers thereof |
-
2016
- 2016-03-08 CN CN201610131240.4A patent/CN105708504A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359413A (en) * | 1999-03-09 | 2002-07-17 | 卫生与营养实验室 | Novel hydrocolloid adhesive mass with improved resistance to deterioration of its absorption capacity after being sterilised by radiation |
| US20050096611A1 (en) * | 2003-10-30 | 2005-05-05 | Stoyer Brian C. | Multi-adhesive medical appliance |
| CN101563381A (en) * | 2006-11-14 | 2009-10-21 | 迈图高新材料集团 | Adhesive-forming composition and blend of adhesives obtained therefrom |
| CN102008745A (en) * | 2009-09-08 | 2011-04-13 | 张娟娟 | Medical pressure sensitive adhesive |
| CN103561785A (en) * | 2011-05-03 | 2014-02-05 | 粘合剂研究股份有限公司 | Pressure sensitive adhesive for application on skin and process for the production thereof |
| CN202761370U (en) * | 2012-04-26 | 2013-03-06 | 常州乐奥医疗科技有限公司 | Novel gallstone removing device |
| CN203970516U (en) * | 2014-07-10 | 2014-12-03 | 江苏唯德康医疗科技有限公司 | Overlay film band net foreign body forceps |
| CN204364096U (en) * | 2014-11-25 | 2015-06-03 | 安瑞医疗器械(杭州)有限公司 | Foreign matter removal device |
| CN104548194A (en) * | 2014-12-18 | 2015-04-29 | 方萌 | Medical high-performance binding agent |
| CN205586056U (en) * | 2015-12-08 | 2016-09-21 | 江苏安特尔医疗科技有限公司 | String bag and foreign matter pincers thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |