CN203139358U - Improved structure type double-cavity balloon catheter used for injecting foam hardening agent - Google Patents
Improved structure type double-cavity balloon catheter used for injecting foam hardening agent Download PDFInfo
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- CN203139358U CN203139358U CN 201320061409 CN201320061409U CN203139358U CN 203139358 U CN203139358 U CN 203139358U CN 201320061409 CN201320061409 CN 201320061409 CN 201320061409 U CN201320061409 U CN 201320061409U CN 203139358 U CN203139358 U CN 203139358U
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- sclerosing agent
- saccule
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Abstract
The utility model discloses an improved structure type double-cavity balloon catheter used for injecting a foam hardening agent. The improved structure type double-cavity balloon catheter comprises a double-cavity balloon catheter which is internally provided with a treatment cavity and a balloon cavity; a balloon is arranged inside an insertion body of the double-cavity balloon catheter; the balloon cavity is communicated with the inner cavity of the balloon; one end of the balloon cavity is connected to the balloon injector; and the improved structure type double-cavity balloon catheter is characterized in that multiple side holes communicated with the treatment cavity and three marks for preventing penetration of X-rays are arranged on a pipe wall of the double-cavity balloon catheter, two ends of the treatment cavity are communicated, and the treatment cavity is internally provided with a guide wire for guiding and positioning and a protective inner core for injecting the foam hardening agent. Through the no penetration of the X-rays and the guide wire for positioning and guiding arranged in the treatment cavity, the double-cavity balloon catheter can be positioned rapidly and precisely, the most dangerous complication, namely, pulmonary embolism of varicosity of injection therapy of the foam hardening agent is prevented efficiently, and therefore, the efficient, minimally invasive and beautiful foam hardening agent injection therapy scheme is generalized greatly.
Description
Technical field
This utility model relates to a kind of improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent.Belong to technical field of medical instruments,
Background technology
Varicose veins of the lower extremity is commonly encountered diseases and the frequently-occurring disease of vascular surgery Venous system, tradition divests lesion vessels based on surgical operation the treatment of varicose veins of the lower extremity, adopted sclerosing agent treatment varicosis in recent years, its principle is to inject the chemical sclerosing agent in the vein blood vessel tube chamber of varicose, the reaction of vein tube wall secondary aseptic inflammation, continuing compressing by postoperative withers vein, the fibrosis that granulation tissue hyperplasia continues, make the inaccessible and final formation fiber rope of cirso-bar, thereby reach the cirsoid purpose for the treatment of.Behind liquid hardening agent injection lesion vessels, wash away by hemodilution and by blood flow easily, make the effectiveness of liquid hardening agent low, need to use a large amount of sclerosing agents that concentrate to reach desired larger area sclerosis of blood vessels obturation, invented the foam sclerosing agent afterwards again, the foam sclerosing agent refers to liquid hardening agent mixed by a certain percentage with air and the novel foam shape sclerosing agent material that forms, after the foam sclerosing agent injects lesion vessels, the blood that is equivalent to self-capacity (gas+liquid hardening agent) can be squeezed away in lumen of vessels, and be difficult for washing away by hemodilution with by blood flow, increase and prolongation time of contact with the contact area of blood vessel endothelium, reduced the consumption of sclerosing agent when having improved curative effect, therefore the treatment of foam injection of sclerosing agent is a kind of both attractive in appearance, wound is little, can reach the therapeutic modality of good therapeutic effect again.But certainly exist because the gas in the foam sclerosing agent returns the heart with blood flow and enters the danger that pulmonary circulation causes pulmonary infarction at intravenous injection foam sclerosing agent.
There is the scholar to develop a kind of catheter with double-cavity saccule, send conduit to near-end from the great saphenous vein far-end by maneuver control, heave sacculus blocking-up great saphenous vein by a chamber wherein and return painstaking effort stream, and by another chamber injected foam sclerosing agent, slowly reclaim sacculus again after injection finishes and recall conduit.Though can reduce the incidence rate of pulmonary infarction by this design, but this catheter with double-cavity saccule far-end is a cecum, can only conduit be sent into great saphenous vein by maneuver control, be difficult to by twisting tangible great saphenous vein, the sacculus location is difficult to the location, and the conduit side opening is few, and the foam sclerosing agent can not be evenly distributed on the great saphenous vein wall, and efficacy result is restricted.
Summary of the invention
The purpose of this utility model is for deficiency such as the location difficulty, the safety guarantee coefficient that overcome the prior art great saphenous varicose vein be low, and a kind of improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent is provided.This catheter with double-cavity saccule can precisely be located, and prevents the pulmonary infarction that the treatment of foam injection of sclerosing agent causes; Increase distributing equilibrium rate and the utilization rate of foam sclerosing agent on the lesion vessels wall, improve the therapeutic effect of injected foam sclerosing agent.
Goal of the invention of the present utility model can be achieved through the following technical solutions:
The improvement structural type catheter with double-cavity saccule that is used for the injected foam sclerosing agent; comprise catheter with double-cavity saccule; in catheter with double-cavity saccule, be provided with treatment chamber and balloon cavity; insertion body inside at catheter with double-cavity saccule is arranged with sacculus; balloon cavity communicates with the inner chamber of sacculus; one end of balloon cavity is connected with the sacculus syringe; it is characterized in that: the tube wall at catheter with double-cavity saccule is provided with the labelling that the anti-X line of several side openings that communicate with the treatment chamber and three places penetrates; two ends, described treatment chamber communicate, and the treatment intracavity is provided with the seal wire of guiding location and the protection inner core of injected foam sclerosing agent.
Treatment of the present utility model chamber is the center of catheter with double-cavity saccule; by radiopaque labelling being set at catheter with double-cavity saccule and at the treatment intracavity seal wire that guiding is located being set; seal wire by opacity and guiding location is rapid with catheter with double-cavity saccule earlier; safety send to the endovascular accurate position of varicose; take out the seal wire of the guiding location for the treatment of intracavity then; change the protection inner core of injected foam sclerosing agent; one end of the protection inner core of injected foam sclerosing agent will be treated the inner sealing of insertion body in chamber; the other end links to each other with foam injection of sclerosing agent device; and guarantee the unimpeded of whole treatment chamber; the foam sclerosing agent enters into the treatment chamber by the protection inner core of injected foam sclerosing agent, enters in the lesion vessels with the side opening that the catheter with double-cavity saccule tube wall communicates by the treatment chamber again.Because two chambeies are not connected, treatment intracavity material can not enter in the balloon cavity, and the protection inner core of the injected foam sclerosing agent that is inserted in for the treatment of intracavity will treat the chamber and insert the inner sealing of body, treats the intracavity material and can not enter in the distal vessels yet.Thereby make sacculus heave the blocking-up great saphenous vein by balloon cavity injection of contrast medium or air in the sacculus that inserts body the inner and return painstaking effort stream.
Further: the labelling that the anti-X line in three places of described catheter with double-cavity saccule penetrates is separately positioned on forward and backward two ends and the sacculus place that catheter with double-cavity saccule inserts part in the body.Being arranged on forward and backward two ends and this three place, sacculus place of inserting the interior part of body is convenient to observe and accurately locate.
Further: described sacculus is arranged on leading section or the rearward end that catheter with double-cavity saccule inserts part in the body.By sacculus being arranged on leading section or the rearward end that catheter with double-cavity saccule inserts part in the body, need to be suitable for different treatments.
Further: several side openings that communicate with the treatment chamber are evenly distributed on catheter with double-cavity saccule and insert on the tube wall of part in the body.By the tube wall that adopts laser-engraving technique part in catheter with double-cavity saccule inserts body side opening thin and close and that be evenly distributed is set, the foam sclerosing agent is sprayed from side opening equably, the foam sclerosing agent evenly distributes on the lesion vessels wall, the efficient utilization thereby make, and is conducive to improve curative effect and prevents recurrence.
Further: between the rearward end and sacculus of described side opening part in catheter with double-cavity saccule inserts body that several communicate with the treatment chamber, perhaps be positioned at the front end of sacculus.Sacculus and two place's diverse locations of side opening can adapt to through the direct motion of great saphenous vein far-end and insert or through two kinds of different treatment needs that femoral vein drives in the wrong direction and inserts great saphenous vein, reach identical therapeutic purposes simultaneously.
Further: the outer wall at catheter with double-cavity saccule is provided with hydrophilic coating.Outer wall at catheter with double-cavity saccule is provided with hydrophilic coating, can make conduit smooth and easy current in lumen of vessels, reduces the damage to blood vessel wall, is conducive to reduce operation wound, shortens operating time.
Further: the protection inner core of described injected foam sclerosing agent is made of seal head, lead and screw-casing; seal head links to each other by lead with screw-casing; it is trapezoidal that screw-casing is; the inner sealing of insertion body that seal head matches with the insertion body the inner in treatment chamber and makes the treatment chamber; the outside of screw-casing is spirally connected with the external end in treatment chamber, and the inboard of screw-casing is connected with foam injection of sclerosing agent device.The seal head of the protection inner core of injected foam sclerosing agent is convenient to the insertion body the inner in closed treating chamber; the screw-casing of the protection inner core of injected foam sclerosing agent namely is convenient to closely be connected with the treatment chamber; be convenient to again be connected with foam injection of sclerosing agent device, guaranteed the unimpeded for the treatment of intracavity.
Further: the length of the protection inner core of described injected foam sclerosing agent is longer than catheter with double-cavity saccule.Be convenient to be connected with foam injection of sclerosing agent device.
Further: the seal wire of guiding location and the protection inner core of injected foam sclerosing agent are made by nickel alloy.
Further: described catheter with double-cavity saccule is the Y type, and the treatment chamber of catheter with double-cavity saccule and balloon cavity are by the medical macromolecular materials integrated molding.
The utlity model has following beneficial effect:
1, this utility model arranges opacity and treats the seal wire that intracavity arranges the guiding location by the tube wall at catheter with double-cavity saccule; the endovascular accurate position of arrival varicose that can catheter with double-cavity saccule is rapid, safe; be convenient to the injected foam sclerosing agent by the protection inner core that the injected foam sclerosing agent is set at the treatment intracavity then; thereby be conducive to shorten operating time, improve therapeutic effect.
2, this utility model arranges hydrophilic coating by the outer wall at catheter with double-cavity saccule and can make conduit smooth and easy passing through in lumen of vessels, reduces the damage to blood vessel wall, is conducive to reduce operation wound, shortens operating time.
3, side opening thin and close and that be evenly distributed being set on the tube wall of this utility model catheter with double-cavity saccule can make the foam sclerosing agent equably from all side opening ejections, thereby make the foam sclerosing agent on the lesion vessels wall, evenly distribute, improve curative effect, also help and prevent recurrence.
4, this utility model is arranged on sacculus and the side opening on the catheter with double-cavity saccule of two kinds of diverse locations, can adapt to different treatment demands.Catheter with double-cavity saccule of the present utility model has not only been set up the treatment passage but also has been had protector; can prevent cirsoid danger complications---the pulmonary infarction of foam injection of sclerosing agent treatment effectively, thereby make that the foam injection of sclerosing agent treats that this is efficient, Wicresoft, therapeutic scheme attractive in appearance promoted greatly.
Description of drawings
Fig. 1 is the cutaway view of this specific embodiment 1.
Fig. 2 is the structural representation of this specific embodiment 1 seal wire.
Fig. 3 is the cutaway view of the protection inner core of this specific embodiment 1 injected foam sclerosing agent.
Fig. 4 is this specific embodiment 1 cross sectional representation.
Fig. 5 is the cutaway view of this specific embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described.
Specific embodiment 1:
As Fig. 1; Fig. 2; Fig. 3 and the improvement structural type catheter with double-cavity saccule that is used for the injected foam sclerosing agent shown in Figure 4; comprise catheter with double-cavity saccule 1; in catheter with double-cavity saccule 1, be provided with treatment chamber 11 and balloon cavity 12; insertion body inside at catheter with double-cavity saccule 1 is arranged with sacculus 15; balloon cavity 12 communicates with the inner chamber of sacculus 15; one end of balloon cavity 12 is connected with the sacculus syringe; describe and in conjunction with laser-engraving technique by computer; tube wall at catheter with double-cavity saccule 1 is provided with the labelling 13 that the anti-X line of several side openings 14 that communicate with treatment chamber 11 and three places penetrates; 11 two ends, described treatment chamber communicate; treatment is provided with the seal wire 17 of guiding location and the protection inner core 20 of injected foam sclerosing agent in the chamber 11, and the seal wire 17 of guiding location and the protection inner core of injected foam sclerosing agent 20 are made by nickel alloy.
Described catheter with double-cavity saccule 1 is the Y type, is provided with hydrophilic coating at the outer wall of catheter with double-cavity saccule 1, and the treatment chamber 11 of catheter with double-cavity saccule 1 and balloon cavity 12 are by the medical macromolecular materials integrated molding.Described catheter with double-cavity saccule 1 can be arranged to 70cm and two kinds of specifications of 100cm by the length of human body great saphenous vein, and the diameter of catheter with double-cavity saccule 1 is 4F.
The labelling 13 that the anti-X line in three places of described catheter with double-cavity saccule 1 penetrates is separately positioned on forward and backward two ends and sacculus 15 places that catheter with double-cavity saccule 1 inserts part in the body.Described sacculus 15 is arranged on the leading section that catheter with double-cavity saccule 1 inserts part in the body.Several side openings 14 that communicate with treatment chamber 11 are evenly distributed on catheter with double-cavity saccule 1 and insert on the tube wall of part in the body, the described side opening 14 that several communicate with treatment chamber 11 inserts between the rearward end and sacculus 15 of part in the body at catheter with double-cavity saccule 1, perhaps is positioned at the front end of sacculus 15.
The protection inner core 20 of described injected foam sclerosing agent is made of seal head 19, lead and screw-casing 18; seal head 19 and screw-casing 18 link to each other by lead; screw-casing 18 is trapezoidal; inner 16 sealings of insertion body that seal head 19 matches with the insertion body the inner 16 in treatment chamber 11 and makes treatment chamber 11; the outside of screw-casing 18 is spirally connected with the external end in treatment chamber 11; prevent that air from entering; the inboard of screw-casing 18 is connected with foam injection of sclerosing agent device, and the length of the protection inner core 20 of described injected foam sclerosing agent is longer than catheter with double-cavity saccule 1.
Using method of the present utility model:
During operation; the seal wire 17 of guiding location at first is installed in the treatment chamber 11 of catheter with double-cavity saccule 1; in conjunction with the radiopaque labelling in three places on the catheter with double-cavity saccule 1; catheter with double-cavity saccule 1 is located fast in the endovascular position of varicose; take out the seal wire 17 of the guiding location in the treatment chamber 11 then; in treatment chamber 11, be inserted in the protection inner core 20 of injected foam sclerosing agent at last; the seal head 19 of the protection inner core 20 of injected foam sclerosing agent will be treated the inner sealing of insertion body in chamber 11; the screw-casing 18 of the protection inner core 20 of injected foam sclerosing agent is the outside locking that is threaded with the treatment chamber 11 of external end; and keep the unobstructed for the treatment of intracavity; screw-casing 18 is that the inboard links to each other with foam injection of sclerosing agent device; the foam sclerosing agent enters in the treatment chamber 11 by screw-casing 18; enter in the lesion vessels uniformly by the side opening 14 that communicates with treatment chamber 11 again, and can not enter in the distal vessels.Contrast agent or air in the sacculus syringe enter balloon cavity 12, by balloon cavity 12 contrast agent or air are input to the sacculus 15 that inserts body the inner, thereby make sacculus 15 heave blocking blood flow.
Specific embodiment 2:
As shown in Figure 5, the characteristics of present embodiment are: described sacculus 15 is arranged on the rearward end that catheter with double-cavity saccule 1 inserts part in the body, and other characteristics are identical with specific embodiment 1.
Claims (10)
1. the improvement structural type catheter with double-cavity saccule that is used for the injected foam sclerosing agent; comprise catheter with double-cavity saccule (1); in catheter with double-cavity saccule (1), be provided with treatment chamber (11) and balloon cavity (12); insertion body inside at catheter with double-cavity saccule (1) is arranged with sacculus (15); balloon cavity (12) communicates with the inner chamber of sacculus (15); one end of balloon cavity (12) is connected with the sacculus syringe; it is characterized in that: the tube wall at catheter with double-cavity saccule (1) is provided with the labelling (13) that the anti-X line of several side openings (14) that communicate with treatment chamber (11) and three places penetrates; two ends, described treatment chamber (11) communicate, and are provided with the seal wire (17) of guiding location and the protection inner core (20) of injected foam sclerosing agent in the treatment chamber (11).
2. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1 is characterized in that: the labelling (13) that the anti-X line in three places of described catheter with double-cavity saccule (1) penetrates is separately positioned on forward and backward two ends and the sacculus (15) that catheter with double-cavity saccule (1) inserts part in the body and locates.
3. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1 and 2 is characterized in that: described sacculus (15) is arranged on leading section or the rearward end that catheter with double-cavity saccule (1) inserts part in the body.
4. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1 is characterized in that: several side openings (14) that communicate with treatment chamber (11) are evenly distributed on catheter with double-cavity saccule (1) and insert on the tube wall of part in the body.
5. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 4, it is characterized in that: the described side opening (14) that several communicate with treatment chamber (11) is positioned at catheter with double-cavity saccule (1) and inserts between the body rearward end and sacculus (15) partly, perhaps is positioned at the front end of sacculus (15).
6. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1, it is characterized in that: the outer wall at catheter with double-cavity saccule (1) is provided with hydrophilic coating.
7. the according to claim 1 one improvement structural type catheter with double-cavity saccule that is used for the injected foam sclerosing agent; it is characterized in that: the protection inner core (20) of described injected foam sclerosing agent is by seal head (19); lead and screw-casing (18) constitute; seal head (19) links to each other by lead with screw-casing (18); screw-casing (18) is trapezoidal; insertion body the inner (16) sealing that seal head (19) matches with the insertion body the inner (16) in treatment chamber (11) and makes treatment chamber (11); the outside of screw-casing (18) is spirally connected with the external end in treatment chamber (11), and the inboard of screw-casing (18) is connected with foam injection of sclerosing agent device.
8. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 7, it is characterized in that: the length of the protection inner core (20) of described injected foam sclerosing agent is longer than catheter with double-cavity saccule (1).
9. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1 is characterized in that: guide the seal wire (17) of location and the protection inner core (20) of injected foam sclerosing agent to be made by nickel alloy.
10. the improvement structural type catheter with double-cavity saccule for the injected foam sclerosing agent according to claim 1, it is characterized in that: described catheter with double-cavity saccule (1) is the Y type, and the treatment chamber (11) of catheter with double-cavity saccule (1) and balloon cavity (12) are by the medical macromolecular materials integrated molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061409 CN203139358U (en) | 2013-02-01 | 2013-02-01 | Improved structure type double-cavity balloon catheter used for injecting foam hardening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061409 CN203139358U (en) | 2013-02-01 | 2013-02-01 | Improved structure type double-cavity balloon catheter used for injecting foam hardening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203139358U true CN203139358U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320061409 Expired - Fee Related CN203139358U (en) | 2013-02-01 | 2013-02-01 | Improved structure type double-cavity balloon catheter used for injecting foam hardening agent |
Country Status (1)
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| CN (1) | CN203139358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740748A (en) * | 2013-12-31 | 2015-07-01 | 微创神通医疗科技（上海）有限公司 | Guiding catheter |
| WO2018083703A1 (en) * | 2016-11-06 | 2018-05-11 | Technion Research And Development Foundation Limited | Foam for pulmonary drug delivery |
| CN109310409A (en) * | 2016-07-26 | 2019-02-05 | 普罗文西斯有限公司 | For applying the syringe of foam |
-
2013
- 2013-02-01 CN CN 201320061409 patent/CN203139358U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104740748A (en) * | 2013-12-31 | 2015-07-01 | 微创神通医疗科技（上海）有限公司 | Guiding catheter |
| CN104740748B (en) * | 2013-12-31 | 2019-06-11 | 微创神通医疗科技（上海）有限公司 | A kind of guiding catheter |
| CN109310409A (en) * | 2016-07-26 | 2019-02-05 | 普罗文西斯有限公司 | For applying the syringe of foam |
| CN109310409B (en) * | 2016-07-26 | 2022-10-28 | 普罗文西斯有限公司 | Syringe for applying foam |
| WO2018083703A1 (en) * | 2016-11-06 | 2018-05-11 | Technion Research And Development Foundation Limited | Foam for pulmonary drug delivery |
| CN110167529A (en) * | 2016-11-06 | 2019-08-23 | 泰克年研究发展基金会公司 | Foam for pulmonary drug delivery |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20190201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |