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Medical conjoined sleeve wire without tearing traces and preparation method of medical conjoined sleeve wire

A sleeve and one-piece technology, applied in the field of medical devices, can solve problems such as scratches, glue residue, and protrusions, and achieve the effect of improving safety performance and avoiding damage

Pending Publication Date: 2021-07-30
东莞市彩炫光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing colonoscope tubes are generally bonded together by glue or extruded in one piece. When in use, it is necessary to tear a section of the top of the two tubes together, and there will be glue on the torn part. Residues or protrusions on the surface, entering the body may have the risk of scratching the body

Method used

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  • Medical conjoined sleeve wire without tearing traces and preparation method of medical conjoined sleeve wire
  • Medical conjoined sleeve wire without tearing traces and preparation method of medical conjoined sleeve wire
  • Medical conjoined sleeve wire without tearing traces and preparation method of medical conjoined sleeve wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for preparing a tear-free medical conjoined sleeve wire, comprising the following steps:

[0035] 1) Put the raw materials used in the sleeve 2 and the wire tube 1 into two extruders respectively, heat at 170°C for 8 minutes to melt and extrude, and then pass through the mold to form the sleeve 2 and the wire tube 1 respectively;

[0036] 2) At the moment when the sleeve 2 and the wire tube 1 obtained in step 1) leave the mold, they enter the infrared heater, and after contacting the surface of the sleeve 2 and the wire tube 1, they are heated at a constant temperature of 180°C. The surfaces of casing 2 and wire pipe 1 are evenly heated to make their skins self-adhesive, and then cooled by 8°C cooling water for 30 seconds to be shaped, the following is obtained: figure 1 The tear-free medical one-piece sleeve wire shown.

[0037] Wherein, in step 1), the raw materials used for the casing 2 and the wire tube 1 are polyvinyl chloride (PVC) free of phthalate. Ph...

Embodiment 2

[0042] A method for preparing a tear-free medical conjoined sleeve wire, comprising the following steps:

[0043] 1) Put the raw materials used in the sleeve 2 and the wire tube 1 into the extruder respectively, heat and melt at 225°C for 5 minutes to extrude, and then pass through the mold to form the sleeve 2 and the wire tube 1 respectively;

[0044] 2) At the moment when the casing 2 and the wire tube 1 obtained in step 1) leave the mold, they enter the infrared heater, and after contacting the surface of the sleeve 2 and the wire tube 1, they are heated at a constant temperature of 250°C. The surfaces of casing 2 and wire pipe 1 are evenly heated to make their skins self-adhesive, and then cooled by 30°C cooling water for 5 seconds to be shaped, the following is obtained: Figure 4 The tear-free medical one-piece sleeve wire shown.

[0045]Wherein, in step 1), the raw materials used for the sleeve 2 and the wire tube 1 are both medical thermoplastic elastomers (TPE). Th...

Embodiment 3

[0049] A method for preparing a tear-free medical conjoined sleeve wire, comprising the following steps:

[0050] 1) Put the raw materials used in the sleeve 2 and the wire tube 1 into two extruders respectively, heat at 260°C for 10 minutes to melt and extrude, and then pass through the mold to form the sleeve 2 and the wire tube 1 respectively;

[0051] 2) At the moment when the sleeve 2 and the wire tube 1 obtained in step 1) leave the mold, they enter the infrared heater, and after contacting the surface of the sleeve 2 and the wire tube 1, they are heated at a constant temperature of 250°C. The surface of the middle casing 2 and the electric wire tube 1 is evenly heated to make the skins of the two self-adhesive, and then cooled by 30°C cooling water for 5s to 30°C to be shaped, the following is obtained: figure 1 The tear-free medical one-piece sleeve wire shown.

[0052] Wherein, in step 1), the raw materials used for the casing 2 and the wire tube 1 are polyvinyl chlo...

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PUM

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Abstract

The invention discloses a medical conjoined sleeve wire without tearing traces and a preparation method of the medical conjoined sleeve wire. The method comprises the following steps: firstly, respectively molding a sleeve and a wire tube in an extruder, then enabling the sleeve and the wire tube to be in surface contact at an outlet, then carrying out secondary constant-temperature heating, and then carrying out cooling and shaping, and obtaining the medical conjoined sleeve wire without tearing traces. After the sleeve wire is torn off, the conditions of chemical glue residue and unsmooth skin are avoided, the damage to human body soft tissues after the chemical glue residue and unsmooth skin are in contact with a human body is avoided, and the safety performance is improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a tear-free medical conjoined sleeve wire and a preparation method thereof. Background technique [0002] The colonoscope is a slender and flexible medical instrument with a diameter of about 1 cm and a length of about 140 cm. It is flexible and has a fiber hose with a light source and a miniature electronic camera at the end. A colonoscope is passed through the anus into the rectum and into the large intestine, allowing the doctor to see inside the colon and large intestine. A colonoscopy is a diagnostic procedure used by doctors to examine the large intestine and the inside of the colon for disease. [0003] The colonoscope tube is made up of two tubes, a gas-filled tube (also called a cannula) and a wire tube. Inflatable tubes are used to inflate the bowel with air during the examination to provide the physician with a view of the operation. Electrical conduits are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/09B29C48/885B29C48/00B29L31/00
CPCB29C48/09B29C48/885B29C48/0021B29L2031/753
Inventor 叶海清
Owner 东莞市彩炫光电科技有限公司
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