CN202605510U

CN202605510U - Surface coated balloon catheter

Info

Publication number: CN202605510U
Application number: CN 201220287664
Authority: CN
Inventors: 李斌; 张志军
Original assignee: DONGGUAN BODI SIMAI MEDICAL DEVICES CO LTD
Current assignee: Guangdong Bomai Medical Technology Co Ltd
Priority date: 2012-06-19
Filing date: 2012-06-19
Publication date: 2012-12-19
Anticipated expiration: 2022-06-19

Abstract

The utility model discloses a surface coated balloon catheter, which relates to the field of intervention medical appliances, in particular to a balloon structure. The surface coated balloon catheter comprises a pipe section, a conical part and a working section, wherein the pipe section penetrates the conical part and the working section, the surface coated balloon catheter also comprises a coating, wherein the coating covers the pipe section and the conical part, and preferentially the coating also covers the head end and the tail end of the working section, or preferentially the part of the working section covered by the coating is alternately arranged with the uncovered parts, or preferentially the parts of the working section and the conical part covered by the coating are alternatively arranged with the uncovered parts. According to the surface coated balloon catheter, by changing the area of the hydrophilic coating on the surface of the original balloon catheter, three different cover structures are provided, and the ultra-smoothness of the hydrophilic coating is effectively improved on the premise of not influencing the lubrication performance of the balloon, so that the balloon is staggered to a diseased part.

Description

The foley's tube of face coat

Technical field

this utility model relates to the interventional medical device field, particularly a kind of balloon configuration.

Background technology

are current, and the outer surface of the employed most of foley's tube of intervene operation is coated with hydrophilic coating, and this hydrophilic coating can improve the trafficability characteristic and the passing through property of pathological changes of foley's tube.But; Because this hydrophilic coating superslide property is in the process of balloon expandable, because balloon surface all is coated with hydrophilic coating; Make sacculus can misplace with lesions thereupon beating of heart once in a while, this situation particularly manifests in owing to the sacculus of expanding behind the support.

The utility model content

this utility model technical problem to be solved is the deficiency that the structure that overcomes the hydrophilic coating of traditional sacculus makes the lesions dislocation; A kind of foley's tube of face coat is provided; Handle the hydrophilic coating on sacculus top layer; Make sacculus not exclusively apply hydrophilic coating, reach sacculus and lesions does not misplace.

This utility model is realized through following technical scheme

mode 1: the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section; The foley's tube of described face coat also comprises coating, and said coating covers said pipeline section and tapering, and said coating also covers the head end and the tail end of said active section.

mode 2: the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section; The foley's tube of described face coat also comprises coating, and said coating covers said pipeline section and tapering, and the part that said coating covers said active section and the part that does not have to cover are alternately.

mode 3: the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section; The foley's tube of described face coat also comprises coating, and said coating covers said pipeline section, and the part that said coating covers said active section and tapering and the part that does not have to cover are alternately.

this novel beneficial effect is: the foley's tube of the face coat in the mode 1; Only the middle body at active section does not apply hydrophilic coating, and processing technology is simple, and is easy to operate; Only need to use a ring-shaped material 4 parcel sacculus; Bubble advances in the hydrophilic liquid again, after overheated or ultraviolet oven dry, gets final product, and the part of parcel does not just apply hydrophilic layer so.The foley's tube of the face coat in the mode 2 utilizes active section seal coat and non-seal coat mode alternately partly, changes the area of hydrophilic coating.The structure of the use striated in the mode 3 covers tapering and active section, carries out hydrophilic coating then and covers, and uses the part of stripe covers not have hydrophilic coating; Same realize above effect, more than three kinds of modes all improve from structure, under the state of compression, can keep superslide property in order to make conduit; Arrive lesions smoothly; Following at full state can keep certain friction, reaches the effect that sacculus does not misplace with lesions.

Description of drawings

Fig. 1 is the mode 1 coverage mode sketch map of this utility model;

Fig. 2 is that the mode 1 of this utility model covers sketch map behind the hydrophilic coating;

Fig. 3 is the mode 2 coverage mode sketch maps of this utility model;

Fig. 4 launches sketch map after the mode 2 of this utility model covers hydrophilic coating;

Fig. 5 is that the mode 3 of this utility model covers sketch map behind the hydrophilic coatings.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is further described:

The part that Fig. 1-5 oblique line covers is the part of hydrophilic coating.

mode 1: like the foley's tube of Fig. 2 face coat, comprise pipeline section 3, tapering 2 and active section 1, pipeline section 3 passes said tapering 2 and active section 1; The foley's tube of described face coat also comprises coating, and said coating covers said pipeline section 3 and tapering 2, and said coating also covers the head end and the tail end of said active section 1; Realize that such coating can use following method: use as shown in Figure 1 can be soft PVC or elastoplast polyurethane less than active section 1 nominal diameter ring-shaped material 4, and covering sacculus active section 1 needs the place that covers; Full then sacculus; Propped up by sacculus up to ring-shaped material 4, then active section in the sacculus 1 is comprised that tapering 2 and pipeline section 3 carry out the immersion of hydrophilic solution, give the sacculus pressure release then; Take off ring-shaped material 4; The unlapped part surface of sacculus is with hydrophilic coating, and the part of covering does not then have, and is to be depicted as the sacculus that covers the face coat behind the hydrophilic coating like Fig. 1.When using, sacculus compression back parcel pipeline section 3, the diameter in tapering 2 is bigger than the diameter that active section 1 does not cover hydrophilic coating; Because tapering 2 possess hydrophilic property coatings, so slide into lesions smoothly, full subsequently sacculus; The part that sacculus does not cover hydrophilic coating contacts with lesions; Do not have superslide property this moment, just can not misplace, arrive the effect of treatment with lesions.The area that arrives the lesions covering can be adjusted according to the needed degree of lubrication of characteristic, effect and sacculus of hydrophilic coating.

mode 2: like the foley's tube of Fig. 4 face coat, comprise pipeline section 3, tapering 2 and active section 1, pipeline section 3 passes said tapering 2 and active section 1; The foley's tube of described face coat also comprises coating, and said coating covers said pipeline section 3 and tapering 2, and the part that said coating covers said active section 1 and the part that not have covering are alternately; Can use following mode to cover hydrophilic coating: as shown in Figure 3 because sacculus is thin film, with sacculus folding after, (being converted into two lobes, three lobes or more) according to the sacculus product attribute; Give the sacculus evacuation, keep shape, the immersion of then sacculus being carried out (comprising active section 1, tapering 2 and pipeline section 3) hydrophilic solution is after overheated or ultraviolet oven dry; Shown in Fig. 3 or 4, eclipsed part does not cover hydrophilic coating between the lobe, when in use; Keep identical folding mode, when sliding into lesions, integral body all covers hydrophilic coating; Superslide property remains unchanged, and full sacculus when arriving lesions is with regard to eclipsed balloon membrane between the unfolded lobe; Because eclipsed part is the possess hydrophilic property coating not, so just has friction.Reach the effect of mode 1 equally.

mode 3: as shown in Figure 5, the foley's tube of face coat comprises pipeline section 3, tapering 2 and active section 1; Pipeline section 3 passes said tapering 2 and active section 1, and the foley's tube of described face coat also comprises coating, and said coating covers said pipeline section 3; The part that said coating covers said active section 1 and tapering 2 and the part that not have to cover can use following mode to realize that coating covers alternately: under the sacculus that fills, and strip protective layer in the covering (as the Citrullus vulgaris striated); Then sacculus (comprising active section 1, tapering 2 and pipeline section 3 parts) is carried out the immersion of hydrophilic solution, give the sacculus pressure release then, take off strip material and abandon; The unlapped part surface of sacculus is with hydrophilic coating, and the part of covering does not then have, and the area of covering can be adjusted according to the required degree of lubrication of characteristic, effect and the sacculus of hydrophilic coating; When using, compression balloon is not owing to there is the part meeting projection of the hydrophilic coating of covering; So slide main part by the covering hydrophilic coating, after the arrival lesions, full sacculus; The part that does not cover hydrophilic coating has friction with lesions, reaches the effect of mode 1 and 2 equally.

Describe this novel specific embodiment above in detail.But should be appreciated that this novel embodiment is not limited in the foregoing description, the description of the foregoing description only is used to help to understand this novel spirit.Under this novel spirit that discloses,, all fall in this novel scope these novel various variant of doing.

Claims

1. the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section, it is characterized in that, the foley's tube of described face coat also comprises coating; Said coating covers said pipeline section and tapering, and said coating also covers the head end and the tail end of said active section.

2. the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section, it is characterized in that, the foley's tube of described face coat also comprises coating; Said coating covers said pipeline section and tapering, and the part that said coating covers said active section and the part that does not have to cover are alternately.

3. the foley's tube of face coat; Comprise pipeline section, tapering and active section; Pipeline section passes said tapering and active section, it is characterized in that, the foley's tube of described face coat also comprises coating; Said coating covers said pipeline section, and the part that said coating covers said active section and tapering and the part that does not have to cover are alternately.