CN110964275A - Sealing plastic film and medical capsule endoscope using same - Google Patents

Sealing plastic film and medical capsule endoscope using same Download PDF

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Publication number
CN110964275A
CN110964275A CN201911342319.1A CN201911342319A CN110964275A CN 110964275 A CN110964275 A CN 110964275A CN 201911342319 A CN201911342319 A CN 201911342319A CN 110964275 A CN110964275 A CN 110964275A
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capsule endoscope
medical capsule
shell
plastic film
aid
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王海涛
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Wuxi Anzhizhuo Medical Robot Co ltd
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Wuxi Anzhizhuo Medical Robot Co ltd
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2327/00—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 at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—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 at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
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    • 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
    • C08J2433/06—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 of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
    • 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
    • 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
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • 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
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2483/04—Polysiloxanes
    • 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
    • C08J2489/00—Characterised by the use of proteins; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0806—Silver
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers

Abstract

The invention relates to a sealing plastic film for a medical capsule endoscope, which comprises PVC resin, polymethacrylate, diatomite, polydicyclopentadiene, an antibacterial aid A, an anti-reflection aid B and an aid C. The medical capsule endoscope comprises a left shell and a right shell which are symmetrically and separately arranged, and also comprises an annular heat-shrinkable film. The left shell and the right shell are oppositely inserted, the guide insertion rod is inserted in the insertion guide groove in a matching mode to form a guide positioning effect, the left shell and the right shell are aligned, the annular heat-shrinkable film is sleeved on the left shell and the right shell and is heated, and the annular heat-shrinkable film is shrunk and hooped on the surface of the annular heat-shrinkable film in the heating process.

Description

Sealing plastic film and medical capsule endoscope using same
Technical Field
The invention relates to a miniature medical device, in particular to a sealing plastic film and a medical capsule endoscope using the same.
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) flexible flat cable, a battery, a camera and the like, and two sides are fixed to form a finished capsule endoscope.
Disclosure of Invention
The invention aims to provide a sealing plastic film for a medical capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: a sealing plastic film for medical capsule endoscope is prepared from PVC resin, polymethacrylate, diatomite, polydicyclopentadiene, antibacterial assistant A, anti-reflection assistant B and assistant C.
Preferably, the antibacterial auxiliary agent A comprises gelatin, nano silicon dioxide, nano peptide dioxide, nano silver-loaded titanium dioxide, calcium chloride and PDMAEMA.
Preferably, the content of each substance in the antibacterial auxiliary A is as follows:
Figure BDA0002331809290000021
preferably, antireflective aid B comprises:
Figure BDA0002331809290000022
Figure BDA0002331809290000031
preferably, the auxiliary C comprises one or more of a plasticizer, an antioxidant, a cross-linking agent, a stabilizer and a cross-linking agent which are mixed in any proportion.
The invention aims to provide a plastic film sealed medical capsule endoscope.
The technical purpose of the invention is realized by the following technical scheme: a medical capsule endoscope comprises a left shell and a right shell which are symmetrically and separately arranged, and further comprises an annular heat-shrinkable film.
Preferably, the surface of the left shell facing the right shell is provided with an inserting guide groove, and the surfaces of all the right shells facing the left shell are provided with guide inserting rods which can be inserted into the inserting guide grooves in a matched mode.
Preferably, the inserting guide groove and the guide inserting rod are provided with a plurality of groups.
In conclusion, the invention has the following beneficial effects:
1. the left shell and the right shell are oppositely inserted, the guide insertion rod is inserted in the insertion guide groove in a matching mode to form a guide positioning effect, the left shell and the right shell are aligned, the annular heat-shrinkable film is sleeved on the left shell and the right shell and is heated, and the annular heat-shrinkable film is shrunk and hooped on the surface of the annular heat-shrinkable film in the heating process;
2. one end of the medical capsule endoscope is made of transparent materials, so that an internal micro camera can observe and shoot images from the position conveniently, but the environment in a human body is complex, and when other impurities are adhered to the internal micro camera, the actual observation is influenced; the sealing plastic film in the scheme shrinks and covers the shell after being heated, has good light permeability, does not influence the use of the medical capsule endoscope, has good antibacterial property, is nontoxic and harmless, and is suitable for the use in the internal environment of a human body.
Drawings
FIG. 1 is a sectional view of the entire structure in the embodiment;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
In the figure, 1, a left shell; 11. inserting a guide groove; 2. a right housing; 21. guiding the insertion rod; 3. and (5) an annular heat-shrinkable film.
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 plastic film sealed medical capsule endoscope is shown in figures 1 and 2 and comprises a left shell 1 and a right shell 2 which are symmetrically and separately arranged, and an annular heat-shrinkable film 3.
As shown in fig. 1 and 2, the surface of the left housing 1 facing the right housing 2 is provided with an insertion guide groove 11, and the surface of the right housing 2 facing the left housing 1 is provided with a guide insertion rod 21 capable of being inserted into the insertion guide groove 11 in a matching manner.
As shown in fig. 1 and 2, the insertion guide grooves 11 and the guide insertion rods 21 are provided in multiple sets.
The left shell 1 and the right shell 2 are oppositely inserted, the guide insertion rod 21 is inserted in the insertion guide groove 11 in a matching mode, a guide positioning effect is formed, the left shell 1 and the right shell 2 are aligned, the annular heat-shrinkable film 3 is sleeved on the left shell 1 and the right shell 2, the annular heat-shrinkable film 3 is heated, and in the heating process, the annular heat-shrinkable film 3 is tightly shrunk and hooped on the surface of the annular heat-shrinkable film 3.
The sealing plastic film comprises 30 parts of PVC resin, 5-8 parts of polymethacrylate, 2-4 parts of diatomite, 1-3 parts of polydicyclopentadiene, 5-10 parts of antibacterial aid A, 3-8 parts of anti-reflection aid B and 1-10 parts of aid C.
The antibacterial auxiliary agent A comprises 20 parts of gelatin, 1-2 parts of nano silicon dioxide, 1-2 parts of nano peptide dioxide, 1-5 parts of nano silver-loaded titanium dioxide, 2-3 parts of calcium chloride and 5-8 parts of PDMAEMA.
The anti-reflection auxiliary agent B comprises 10-20 parts of PMMA-g-PS, 5-10 parts of organic silica gel and 1-3 parts of SEBS.
The auxiliary agent C comprises one or more of a plasticizer, an antioxidant, a cross-linking agent, a stabilizer and a cross-linking agent which are mixed in any proportion.
Examples 2-8 in the case where the above conditions are met, several embodiments are provided, as detailed in Table 1, Table 2, Table 3, below,
Table 1:
Figure BDA0002331809290000051
Figure BDA0002331809290000061
table 2:
PMMA-g-PS organic silica gel SEBS
Example 2 10 5 1
Example 3 12 4 2
Example 4 14 3 3
Example 5 16 2 2
Example 6 20 10 3
Example 7 20 10 3
Example 8 20 10 3
Table 3:
Figure BDA0002331809290000062
Figure BDA0002331809290000071
one end of the medical capsule endoscope is made of transparent materials, so that an internal micro camera can observe and shoot images from the position conveniently, but the environment in a human body is complex, and when other impurities are adhered to the internal micro camera, the actual observation is influenced; the sealing plastic film in the scheme shrinks and covers the shell after being heated, has good light permeability, does not influence the use of the medical capsule endoscope, has good antibacterial property, is nontoxic and harmless, and is suitable for the use in the internal environment of a human body.

Claims (9)

1. A sealing plastic film for medical capsule endoscope is characterized in that: comprises PVC resin, polymethacrylate, diatomite, polydicyclopentadiene, an antibacterial aid A, an anti-reflection aid B and an aid C.
2. The sealing film for a medical capsule endoscope according to claim 1, wherein: the antibacterial auxiliary agent A comprises gelatin, nano silicon dioxide, nano peptide dioxide, nano silver-loaded titanium dioxide, calcium chloride and PDMAEMA.
3. The sealing plastic film for medical capsule endoscopes according to claim 2, wherein the content of each substance in the antibacterial auxiliary A is as follows:
Figure FDA0002331809280000011
4. the sealing plastic film for a medical capsule endoscope according to claim 1, wherein an anti-reflection auxiliary B comprises:
10-20 parts of PMMA-g-PS
5-10 parts of organic silica gel
1-3 parts of SEBS.
5. The sealing film for a medical capsule endoscope according to claim 1, wherein:
Figure FDA0002331809280000012
Figure FDA0002331809280000021
6. the sealing film for a medical capsule endoscope according to claim 1, wherein: the auxiliary agent C comprises one or more of a plasticizer, an antioxidant, a cross-linking agent, a stabilizer and a cross-linking agent which are mixed in any proportion.
7. A medical capsule endoscope to which a sealing film of the medical capsule endoscope of any one of claims 1 to 6 is applied, characterized in that: the shell comprises a left shell (1) and a right shell (2) which are symmetrically and separately arranged, and further comprises an annular heat-shrinkable film (3).
8. The medical capsule endoscope of claim 7, wherein: the surface of the left shell (1) facing the right shell (2) is provided with an inserting guide groove (11), and the surface of all the right shells (2) facing the left shell (1) is provided with a guide inserting rod (21) which can be inserted into the inserting guide groove (11) in a matching manner.
9. The medical capsule endoscope of claim 8, wherein: and a plurality of groups of inserting guide grooves (11) and guide inserting rods (21) are arranged.
CN201911342319.1A 2019-12-23 2019-12-23 Sealing plastic film and medical capsule endoscope using same Pending CN110964275A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077248A1 (en) * 2004-02-07 2005-08-25 Kerang Jiang Capsule-shaped endoscope
CN102596276A (en) * 2010-04-08 2012-07-18 奥林巴斯医疗株式会社 Elastomer molded article for endoscope
CN104403227A (en) * 2014-11-14 2015-03-11 宁波一舟塑胶有限公司 Silica gel-like flame-retardant polyvinyl chloride plastic
CN106117880A (en) * 2016-07-06 2016-11-16 河南驼人医疗器械集团有限公司 A kind of transparent type medical antibacterial pvc material and preparation method thereof
CN209529809U (en) * 2018-08-16 2019-10-25 广东科学技术职业学院 A kind of dropping funnel vision amplifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077248A1 (en) * 2004-02-07 2005-08-25 Kerang Jiang Capsule-shaped endoscope
CN102596276A (en) * 2010-04-08 2012-07-18 奥林巴斯医疗株式会社 Elastomer molded article for endoscope
CN104403227A (en) * 2014-11-14 2015-03-11 宁波一舟塑胶有限公司 Silica gel-like flame-retardant polyvinyl chloride plastic
CN106117880A (en) * 2016-07-06 2016-11-16 河南驼人医疗器械集团有限公司 A kind of transparent type medical antibacterial pvc material and preparation method thereof
CN209529809U (en) * 2018-08-16 2019-10-25 广东科学技术职业学院 A kind of dropping funnel vision amplifier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
于亮 等, 科学技术文献出版社 *

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