CN111019561A - Stable thermoplastic rubber and welding type capsule endoscope - Google Patents
Stable thermoplastic rubber and welding type capsule endoscope Download PDFInfo
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- CN111019561A CN111019561A CN201911337774.2A CN201911337774A CN111019561A CN 111019561 A CN111019561 A CN 111019561A CN 201911337774 A CN201911337774 A CN 201911337774A CN 111019561 A CN111019561 A CN 111019561A
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- thermoplastic rubber
- capsule endoscope
- annular
- shell
- lower shell
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- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 33
- 239000002775 capsule Substances 0.000 title claims abstract description 23
- 238000005493 welding type Methods 0.000 title abstract description 7
- 229920005549 butyl rubber Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 239000004094 surface-active agent Substances 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 5
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 5
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010070 extrusion (rubber) Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000167880 Hirundinidae Species 0.000 description 1
- 229920001153 Polydicyclopentadiene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2445/00—Characterised by the use of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Optics & Photonics (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Polymers & Plastics (AREA)
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- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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Abstract
The invention relates to a stable thermoplastic rubber and welding type capsule endoscope, which comprises an upper shell and a lower shell which are arranged in a split mode, wherein the upper shell is sunken towards one end of the lower shell to form an annular groove, a clamping groove is formed in the position, corresponding to the lower shell, of the lower shell, and an annular thermoplastic rubber strip is arranged in the annular groove and is formed by extruding the stable thermoplastic rubber. After the upper shell and the lower shell are oppositely inserted, the annular thermoplastic rubber strip is arranged in the annular groove and the clamping groove, the position, corresponding to the annular thermoplastic rubber strip, of the outer wall of the shell is heated, the surface of the shell is softened, the thermoplastic rubber is softened and melted, and the annular groove and the clamping groove are refilled, so that the upper shell and the lower shell are fixedly connected.
Description
Technical Field
The invention relates to a micro medical device, in particular to a stable thermoplastic rubber and a welding type capsule endoscope.
Background
A capsule endoscope, known as capsule endoscope, is a capsule-shaped endoscope and is a medical instrument used for examining human intestinal tracts. The capsule endoscope can enter a human body and is used for spying the health conditions of the intestines, stomach and esophagus of the human body so as to help doctors to diagnose patients. After a patient swallows the capsule endoscope, the patient photographs the inner wall of the gastrointestinal tract through the miniature camera encapsulated in the corrosion-resistant capsule, and the photographed image is sent to an external receiving end in a wireless mode and stored in the SD card.
The capsule endoscope is provided with a small permanent magnet, the capsule endoscope is arranged in a biological cavity, an external magnet or a magnetic object driving device is manually controlled to enable the external magnet to move, and the capsule endoscope is pulled to move by the magnetic force between the external magnet and the permanent magnet or moves and observes by depending on the self-peristalsis of a human body. The capsule endoscope scans the condition in the biological cavity in the moving process; most capsule endoscopes on the market are composed of two parts, the inner hollow part is used for accommodating components such as a PCB (printed circuit board), an FPC (flexible printed circuit), a battery, a camera and the like, and two sides of the capsule endoscope are fixed to form a finished capsule endoscope.
Disclosure of Invention
The invention aims to provide a stable thermoplastic rubber.
The technical purpose of the invention is realized by the following technical scheme: the stable thermoplastic rubber comprises a substrate layer and an adhesive layer, wherein the substrate layer is made of a resistant elastic material, and the adhesive layer comprises butyl rubber, organic siloxane, polyacrylate, rosin, a plasticizer, a surfactant and a cross-linking agent.
Preferably, the content of each component is as follows:
preferably, the surfactant comprises linear glyceryl ether, sodium dodecyl sulfate, methacrylate and in a ratio of 3-5:1-2: 2-3.
The invention aims to provide a preparation method of a stable thermoplastic rubber.
The technical purpose of the invention is realized by the following technical scheme: a preparation method of stable thermoplastic rubber mainly comprises the following steps:
step 1: preparing a resistant elastic material;
step 2: mixing organic siloxane, polyacrylate, rosin, plasticizer, surfactant and cross-linking agent into butyl rubber to obtain modified butyl rubber
And step 3: and (3) co-extruding and molding the resistant elastic material prepared in the step (1) and the step (2) and the modified butyl rubber.
Preferably, the substrate layer is made of EVA.
The invention aims to provide a welding type capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a butt fusion formula capsule endoscope, includes last casing and the lower casing that the components of a whole that can function independently set up, go up the sunken annular groove that forms of one end of casing down of casing orientation, the position department that corresponds with it forms the joint groove down on the casing, still including setting up the rubber strip is moulded to annular heat in the annular groove, the rubber strip is moulded by the rubber extrusion moulding is moulded to stable form heat to the annular heat.
Preferably, the upper shell and the lower shell are made of medical modified polypropylene.
Preferably, the medical modified polypropylene comprises the following components in percentage by weight:
in conclusion, the invention has the following beneficial effects:
1. the stable thermoplastic rubber in the scheme can be melted after being heated, is solidified again after being cooled, is filled in the annular groove and the clamping groove, and connects the upper shell and the lower shell into a whole;
2. after the upper shell and the lower shell are oppositely inserted, the annular thermoplastic rubber strip is arranged in the annular groove and the clamping groove, the position, corresponding to the annular thermoplastic rubber strip, of the outer wall of the shell is heated, the surface of the shell is softened, the thermoplastic rubber is softened and melted, and the annular groove and the clamping groove are refilled, so that the upper shell and the lower shell are fixedly connected.
Drawings
FIG. 1 is a schematic diagram of the overall structure in practice;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the figure, 1, an upper shell; 11. an annular groove; 12. an annular thermoplastic rubber strip; 2. a lower housing; 21. a clamping groove.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
a welding type capsule endoscope comprises an upper shell 1 and a lower shell 2 which are arranged in a split mode, wherein the upper shell 1 is sunken towards one end of the lower shell 2 to form an annular groove 11, a clamping groove 21 is formed in the position, corresponding to the lower shell 2, of the lower shell 2, the welding type capsule endoscope further comprises an annular thermoplastic rubber strip 12 arranged in the annular groove 11, and the annular thermoplastic rubber strip 12 is formed by extruding stable thermoplastic rubber.
The upper shell 1 and the lower shell 2 are made of medical modified polypropylene, and the medical modified polypropylene comprises 100 parts of polypropylene, 10-30 parts of polyacrylate monomer, 5-20 parts of polydicyclopentadiene, 1-5 parts of cross-linking agent, 1-2 parts of calcium chloride and 0.1-2 parts of foaming agent.
Examples 2-5 are provided in the following examples, where conditions are met, and are detailed in table 1 below.
Table 1:
the stable thermoplastic rubber comprises 30-50 parts of butyl rubber, 5-10 parts of organic siloxane, 5-10 parts of polyacrylate, 1-3 parts of rosin, 1-2 parts of plasticizer, 1-3 parts of surfactant and 1-2 parts of cross-linking agent.
The surfactant comprises linear glyceryl ether, sodium dodecyl sulfate and methacrylate at a ratio of 3-5:1-2: 2-3.
Examples 6-10 are provided in several instances where conditions are met, as detailed in tables 2 and 3 below.
Table 2:
table 3:
examples 6-10 the modified polypropylene material for chinese medical use in example 5 has the same contents of the respective substances, and the compounding ratio of the stable thermoplastic rubber in examples 1-5 is the same as that in example 6.
The stable thermoplastic rubber in the scheme can be melted after being heated, is solidified again after being cooled, is filled in the annular groove 11 and the clamping groove 21, and connects the upper shell 1 and the lower shell 2 into a whole.
Claims (8)
1. A stabilized thermoplastic rubber characterized by: the adhesive comprises a substrate layer and an adhesive layer, wherein the substrate layer is made of a resistant elastic material, and the adhesive layer comprises butyl rubber, organic siloxane, polyacrylate, rosin, a plasticizer, a surfactant and a cross-linking agent.
2. A stabilized thermoplastic rubber according to claim 1, wherein the following components are present:
3. a stabilized thermoplastic rubber according to claim 2, wherein: the surfactant comprises linear glyceryl ether, sodium dodecyl sulfate and methacrylate at a ratio of 3-5:1-2: 2-3.
4. A method of making a stabilized thermoplastic rubber according to any of claims 1 to 3, consisting essentially of the steps of:
step 1: preparing a resistant elastic material;
step 2: mixing organic siloxane, polyacrylate, rosin, plasticizer, surfactant and cross-linking agent into butyl rubber to obtain modified butyl rubber
And step 3: and (3) co-extruding and molding the resistant elastic material prepared in the step (1) and the step (2) and the modified butyl rubber.
5. The method of claim 4 wherein the stabilized thermoplastic rubber is prepared by the steps of: the substrate layer is made of EVA.
6. A welded capsule endoscope using the stabilized thermoplastic rubber joint according to any one of claims 1 to 3, comprising an upper shell (1) and a lower shell (2) which are separately provided, characterized in that: go up casing (1) towards the sunken annular groove (11) that forms of one end of lower casing (2), the position department that corresponds with it on casing (2) down forms joint groove (21), still including setting up the annular thermoplastic rubber strip (12) in annular groove (11), annular thermoplastic rubber strip (12) are by the thermoplastic rubber extrusion moulding of stable form.
7. The fused capsule endoscope of claim 6, wherein: the upper shell (1) and the lower shell (2) are made of medical modified polypropylene.
8. The fused capsule endoscope of claim 7, wherein the medically modified polypropylene comprises the following components in the following amounts:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337774.2A CN111019561A (en) | 2019-12-23 | 2019-12-23 | Stable thermoplastic rubber and welding type capsule endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337774.2A CN111019561A (en) | 2019-12-23 | 2019-12-23 | Stable thermoplastic rubber and welding type capsule endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111019561A true CN111019561A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911337774.2A Pending CN111019561A (en) | 2019-12-23 | 2019-12-23 | Stable thermoplastic rubber and welding type capsule endoscope |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194151A (en) * | 2012-01-10 | 2013-07-10 | 上海铂砾耐材料科技有限公司 | Butyl rubber sealing strip and preparation method thereof |
| CN105086134A (en) * | 2015-06-12 | 2015-11-25 | 福路明精密管材（北京）有限公司 | Medical macromolecular material and preparation method therefor |
| CN107383583A (en) * | 2017-09-15 | 2017-11-24 | 广州市合诚化学有限公司 | A kind of outer cover material of the low opening force of high rigidity and preparation method and application |
| CN109229744A (en) * | 2018-09-28 | 2019-01-18 | 深圳市资福医疗技术有限公司 | It is a kind of to seal fungi-proofing capsule endoscope packing device |
-
2019
- 2019-12-23 CN CN201911337774.2A patent/CN111019561A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194151A (en) * | 2012-01-10 | 2013-07-10 | 上海铂砾耐材料科技有限公司 | Butyl rubber sealing strip and preparation method thereof |
| CN105086134A (en) * | 2015-06-12 | 2015-11-25 | 福路明精密管材（北京）有限公司 | Medical macromolecular material and preparation method therefor |
| CN107383583A (en) * | 2017-09-15 | 2017-11-24 | 广州市合诚化学有限公司 | A kind of outer cover material of the low opening force of high rigidity and preparation method and application |
| CN109229744A (en) * | 2018-09-28 | 2019-01-18 | 深圳市资福医疗技术有限公司 | It is a kind of to seal fungi-proofing capsule endoscope packing device |
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