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Smooth Transition Medical Catheters

A medical catheter, a technology of smooth transition, applied in the direction of catheter, etc., can solve the problems of inconvenient clinical use, loose catheter, enlarged wound of catheter, etc., to avoid inflammation, improve drainage effect, and reduce trauma.

Inactive Publication Date: 2011-12-21
山东峰源医用材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The transitional medical catheter will become thicker at the junction of the two tubes, and the bonding process is difficult to control and quantify. Less glue will easily lead to loosening of the catheter during use, and more glue will be used between the sleeve and the catheter. There will be obvious steps between the tubes, which will cause the catheter to be pulled out from the body, and the wound will be enlarged to bring pain to the patient, thus bringing a lot of inconvenience to clinical use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 ,Such as figure 1 and Figure 4 As shown, the structural schematic diagram and perspective view of the first embodiment of the present invention are provided respectively, and the smooth transition medical catheter of the present invention shown includes a drainage part 2, a sealing part 3, a drainage groove 4, an extension part 5, an inner core 6. The outer flow channel 7; the catheter body 1 is formed by the drainage part 2 and the sealing part 3. The drainage part 2 is provided with four drainage grooves 4, and the sealing part 3 is a hollow and closed structure. The drainage part 2 and the sealing part 3 are a smooth integrated structure without transition area, that is, the structure from the drainage part 2 to the sealing part 3 is a natural transition, and there is no change in the outer diameter; this structure effectively reduces the catheter insertion and The trauma to the wound tissue when pulled out of the human body avoids additional pain to th...

Embodiment 2

[0027] Example 2 ,Such as figure 2 and Figure 5 As shown, the schematic diagram and perspective view of the structure of the second embodiment of the present invention are respectively provided, which include the drainage part 2, the sealing part 3, the drainage groove 4, the extension part 5, the inner core 6, the outer flow channel 7; the drainage part 2 and The sealing part 3 with a cavity inside constitutes the catheter body 1, and the drainage part 2 is composed of four extension parts 5 and an I-shaped inner core 6 located in the extension parts. The drainage part 2 and the sealing part 3 are a smooth integrated structure without transition area, that is, the structure from the drainage part 2 to the sealing part 3 is a natural transition, and there is no change in the outer diameter; this structure effectively reduces the catheter insertion and The trauma to the wound tissue when pulled out of the human body avoids additional pain to the patient.

[0028] Such as ...

Embodiment 3

[0030] Example 3 ,Such as image 3 and Figure 6As shown, the schematic diagram and perspective view of the smooth transition medical catheter in this embodiment are respectively given, which include drainage part 2, sealing part 3, drainage groove 4, extension part 5, inner core 6, outer flow channel 7, drainage hole 8. The drainage part 2 and the sealing part 3 with a cavity inside constitute the catheter body 1. The drainage part 2 is composed of two extension parts 5 and an inline-shaped inner core 6 located in the extension part. The two ends of the inline-shaped inner core 6 are respectively It is fixed with the two extensions 5 and is used to support the extensions 5 . The drainage part 2 and the sealing part 3 are a smooth integrated structure without transition area, that is, the structure from the drainage part 2 to the sealing part 3 is a natural transition, and there is no change in the outer diameter; this structure effectively reduces the time of catheter inse...

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Abstract

The smooth transition medical catheter of the present invention includes a catheter body with a cavity inside. The catheter body is composed of a drainage part placed in the human body and a sealing part for guiding the drainage liquid. The drainage groove distributed in directions is special in that: the drainage part and the sealing part are a smooth integrated structure without a transition area. The invention effectively reduces the trauma to the wound tissue when the catheter is inserted and pulled out of the human body, avoids extra pain to the patient, and overcomes the disadvantages of the transitional drainage tube made by bonding. The catheter body can be made into various shapes, and the inner core can be made into a cross shape, an I-shape or a straight shape, which can be selected according to different needs. The invention has small trauma, quicker and more thorough drainage, effectively avoids the occurrence of inflammation caused by incomplete drainage, and can be used instead of the transitional drainage tube bonded in the existing market.

Description

Technical field [0001] The present invention involves a smooth transition medical catheter. More specifically, especially a smooth transition medical catheter that is particularly involved in a smooth transitional area with a smooth and non -transitional area. Background technique [0002] At present, most medical catheters are made of medical polymer materials, such as silicone rubber, polyurethane, polyvinyl chloride, etc. Among them, the two polymer materials of silicone rubber and polyurethane have excellent biocompatibility and have not bonding with body tissue.Good performance, so it is widely used in medical care.At present, there are many types of medical catheters on the market. There are ordinary hollow catheters with round sections, and there are also different types of pipes with vertical grooves in the center. Both forms of ducts are often used clinically to form a transition -type medical catheter.This kind of transition -type medical catheter is to connect the two ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/00A61M25/14A61L29/06A61L29/04
Inventor 吴本强
Owner 山东峰源医用材料有限公司
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