Intra-aortic balloon pumping set

A complete set of device, aorta technology, applied in the directions of circulatory auxiliary device, blood pump, blood pump, etc., can solve the problems of improving sensitivity, thickening catheter, increasing patient burden, etc., achieving good sensitivity and reducing burden.

Active Publication Date: 2010-04-14
ZEON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there is a problem that most of the flow path of the pressurized fluid is located in the catheter of the balloon catheter. Therefore, simply increasing the cross-sectional area of ​​the flow path of the pressurized fluid will make the catheter thicker, and when the catheter is inserted into the body, will increase the burden on patients
[0005] However, in recent years, the demand for reducing the burden on patients in various treatments has become stronger, and the balloon catheter used in the IABP method has also been further required to be reduced in diameter to reduce the burden on patients. The described method cannot sufficiently achieve the effect of improving the sensitivity

Method used

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  • Intra-aortic balloon pumping set
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  • Intra-aortic balloon pumping set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0100] The introducer of A=2.73mm, B=3.50mm, C=185mm and the matching intra-aortic balloon catheter were made as follows.

[0101]First, a polyamide outer tube joined by Part 1, Part 2, and Part 3 was fabricated using a metal mandrel with three types of outer diameters and heat-shrinkable tubing, where: Part 1 has an outer diameter of 2.70mm, inner diameter 2.36mm, length 280mm; Part 2 has outer diameter 2.80mm, inner diameter 2.45mm, length 185mm; Part 3 has outer diameter 3.70mm, inner diameter 3.30mm, length 45mm.

[0102] In addition, at the same time or thereafter, an inner tube made of polyether ether ketone, a balloon part made of polyurethane elastomer, a tip tip made of polyurethane elastomer, and a connector made of ABS are prepared, wherein the inner tube The axial length of the balloon is 720mm, the inner diameter is 0.72mm, and the thickness is 0.11mm; the axial length of the balloon part is 200mm, the inner volume is 30cc, the outer diameter is 14mm, and the film...

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PUM

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Abstract

The invention provides an intra-aortic balloon pumping set for conducting the IABP therapy whereby a burden on a patient can be lessened and a balloon can be inflated and deflated at a high response.An intra-aortic balloon pumping set having an introducer and an intra-aortic balloon catheter. The introducer has an inner diameter at the distant end of A mm and a tubular member having a diameter ofBmm or less can be inserted thereinto but a tubular member having a diameter exceeding B mm cannot be inserted. The length in the axial direction of the introducer is C mm. The outer tube of the ballo on catheter has an outer diameter of less than A mm. It is composed of a first part having a length of from 1 to 400 mm, a second part which is connected to the proximal end side of the first part andhas an outer diameter of from A to B mm and a length of from (C-10) to (C+30) mm, and a third part which is connected to the proximal end side of the second part and has an outer diameter exceedingBmm.

Description

technical field [0001] The present invention relates to an intra-aortic balloon pump set (Intra-Aortic Balloon Pumping Set) used in the treatment of the intra-aortic balloon pump method, the method is in the patient's aortic The intra-aortic balloon catheter (Intra-Aortic Balloon Catheter) is inserted, and the blood flow in the patient's coronary artery and other places is increased through the expansion and contraction of the balloon. Specifically, the present invention relates to an intra-aortic balloon pump set that reduces the burden on the patient and allows the balloon to dilate and deflate with good sensitivity. Background technique [0002] As a treatment method for low heart function, an intra-aortic balloon pump method (hereinafter, sometimes referred to as the IABP method) is known. This method is to insert a balloon catheter into the aorta and relax and The balloon is deflated to increase blood pressure in the aorta to assist heart function. [0003] In the IAB...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/12A61M25/00A61M60/13A61M60/139A61M60/295A61M60/497A61M60/865
CPCA61M2001/125A61M1/1072A61M1/12A61M2205/32A61M60/274A61M60/497A61M60/865A61M60/139A61M60/13A61M60/295
Inventor 森谦二大川靖洋饭田隆浩
Owner ZEON CORP
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