CN103394154A - Three-cavity double-balloon venous catheter in assistance to completing total hepatic vascular exclusion - Google Patents
Three-cavity double-balloon venous catheter in assistance to completing total hepatic vascular exclusion Download PDFInfo
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- CN103394154A CN103394154A CN2013103116768A CN201310311676A CN103394154A CN 103394154 A CN103394154 A CN 103394154A CN 2013103116768 A CN2013103116768 A CN 2013103116768A CN 201310311676 A CN201310311676 A CN 201310311676A CN 103394154 A CN103394154 A CN 103394154A
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Abstract
The invention provides a three-cavity double-balloon venous catheter in assistance to completing total hepatic vascular exclusion, and belongs to the technical field of medical apparatus and instruments. The three-cavity double-balloon venous catheter comprises a three-cavity catheter body and two balloons. The three-cavity catheter body is composed of a guide wire and transfusion cavity (3), a first balloon cavity (4) and a second balloon cavity (5), and the guide wire and transfusion cavity (3), the first balloon cavity (4) and the second balloon cavity (5) are not communicated with one another. The front end of the three-cavity catheter body is a conical pointed end, and an opening formed in the middle of the conical pointed end is communicated with the guide wire and transfusion cavity (3). The outer wall of the three-cavity catheter body is wrapped with a first balloon (1) and a second balloon (2). The first balloon (1) is communicated with the first balloon cavity (4) through a first balloon opening (6) in the outer wall of the three-cavity catheter body, while the second balloon (2) is communicated with the second balloon cavity (5) through a second balloon opening (7) in the outer wall of the three-cavity catheter body. The three-cavity double-balloon venous catheter is applicable to suprahepatic and infrahepatic vena cava vascular exclusion and is confirmed by animal experiments to be true and reliable in blocking blood flowing. The three-cavity double-balloon venous catheter is easier, safer, more time saving and suitable for being used in general hospitals as compared with the traditional one.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion.
Background technology
Primary hepatocarcinoma is one of major malignant tumor that threatens the human life, and excision remains putative first-selected Therapeutic Method at present.But to the tumor of involving second and third hepatic portal and merging hepatic vein, postcava cancer embolus, due to fatefulue massive hemorrhage and/or air embolism easily occurring in art, the past is abandoned operative treatment more.In recent years, along with liver is dissected to deepening continuously and the progress of surgical technic and the raising of anesthesia management level of research, make such patient can be by full hepatic vascular exclusion technology (Total hepatic vascular exclusion THVE) tumor resection, thus improve the patient prognosis, extend life span.
Under room temperature, at first the application of full hepatic vascular exclusion technology is reported by Heaney the earliest.But initial THVE method is more complicated.This updates by the many scholars in home and abroad, make this art formula easier, safety and by everybody, admitted and adopt gradually.The full hepatic vascular exclusion of improvement comprises the blocking-up of porta hepatis, infrahepatic vena cava and infrahepatic vena cava at present.For the blocking-up of porta hepatis, by tightening hepatoduodenal ligament, can conveniently complete, the above infrahepatic vena cava section of renal veins level also more easily appears.But due to special anatomical position, much more difficult for liver superior and inferior vena cava blocking-up, can safety complete the key point that the blocking-up of liver superior and inferior vena cava is also become to full hepatic blood flow technology.
Anatomically, the liver superior and inferior vena cava is divided into 3 sections by pericardium to hepatic vein entrance, and namely pericardium inner segment, pericardium are to diaphram section (being interlude), diaphram to hepatic vein entrance (diaphram hypomere).At present liver superior and inferior vena cava blocked method commonly used mainly contains following several: the blocking-up of (1) diaphram hypomere: due to this section postcava than short and individual variation is large, Gao, gap in position is narrow in addition, separate dissection liver superior and inferior vena cava certain danger is arranged, in case cause the caval vein rear wall to tear, hemorrhage often being difficult to controlled.And when tumor is huge or during with the extensive adhesion of diaphram, inferior caval liver postcibal vomiting hypomere more is difficult to appear.(2) pericardium inner segment blocking-up: in the time of when the diaphram hypomere, because tumor is huge, can't appears or derive from main hepatic venous postcava cancer embolus near-end over the diaphram plane, need be at pericardium inner segment blocking-up liver superior and inferior vena cava.Previously need out in this case breasts more, cut diaphram and pericardium, operation wound is large, needs thoracic surgeon's cooperation.There is in recent years the scholar to pass through through abdominal incision trefoil tendon and the inferior caval pericardium inner segment of pericardium blocking-up, though do not need out breast, the concurrent pericardial effusion of postoperative still possibility, pericardial tamponade etc.
Said method, because having higher risk, can only and have at fairly large Genneral Surgery center the specialist of many years of experience just can complete at present, in general hospital, is difficult to carry out.And China is the hotspot of primary hepatocarcinoma, only relies on several large Genneral Surgery centers can not meet patient's treatment demand.Therefore, seek a kind of new liver superior and inferior vena cava blocking-up method simple to operate, safer, that effectively be suitable for general hospital still very necessary.
In recent years, development along with less invasive techniques, a kind ofly utilize foley's tube carries out intravascular occlusion to target vessel new technique to start application clinical, Chinese patent application CN02113689.0 for example, denomination of invention is " sacculus catheter for arterial blood vessel ", publication number is CN1454677, a kind of sacculus catheter for arterial blood vessel is disclosed, by conduit and sacculus etc., formed, by Filled Balloon, make it to fit tightly with blood vessel wall, thus blocking blood flow.
There is no at present about foley's tube being applicable on liver to reach the infrahepatic vena cava Endovascular and block the bibliographical information that completes full hepatic vascular exclusion with auxiliary.
Summary of the invention
The purpose of this invention is to provide a kind of three caval vein conduits with sacculus that the infrahepatic vena cava Endovascular has been blocked full hepatic vascular exclusion that are applicable on liver reach.
For solving the problems of the technologies described above, the invention provides a kind ofly for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, this conduit comprises a three cavities conduit pipe body and two sacculus; Described three cavities conduit pipe body is comprised of not connected seal wire and transfusing chamber, the first balloon cavity and the second balloon cavity, and the front end of three cavities conduit pipe body is conical tip, the middle opening of conical tip and communicating with seal wire and transfusing chamber; On the outer wall of three cavities conduit pipe body, be enclosed with the first sacculus and the second sacculus, the first sacculus communicates with the first balloon cavity by the first sacculus perforate on the external wall of three cavities conduit pipe, and the second sacculus communicates with the second balloon cavity by the second sacculus perforate on the external wall of three cavities conduit pipe.
The rear end of described three cavities conduit pipe body, can be connected on a firm banking, on firm banking, establishes three holes, and seal wire and transfusing chamber, the first balloon cavity and the second balloon cavity are respectively by these three holes.
On described seal wire and transfusing chamber, the first balloon cavity and the second balloon cavity, is furnished with bayonet socket; Further, on described seal wire and transfusing chamber, the first balloon cavity and the second balloon cavity, be connected to extension tube, three extension tubes are furnished with respectively the bayonet socket of different colours.
The interval of described the first sacculus and the second sacculus, at 5-8 centimetre, preferably, is 6 centimetres.
Described conical tip, more preferably, select flexible material, as medical grade polyurethane material or silica gel etc.
Described the first sacculus perforate and the second sacculus perforate, be positioned at the offside of the external wall of three cavities conduit pipe.
Three cavities conduit pipe body of the present invention can adopt the medical grade polyurethane material with good biocompatibility to manufacture, and also can under X ray, develop.
Of the present invention a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, by after the first balloon cavity or the second balloon cavity water filling or gas injection, make the first sacculus or the second sacculus fill blood flow capable of blocking; Described seal wire and transfusing chamber, front opening, can do guiding seal wire use, and seal wire can carry out blood transfusion infusion after pulling out.The present invention can insert postcava through the puncture femoral vein, under X-ray examination or in art, make two air bags lay respectively on liver and the infrahepatic vena cava section, postcava section blood flow after the blocking-up liver after Filled Balloon, seal wire and transfusing chamber can carry out blood transfusion infusion again simultaneously, are applicable to the auxiliary full hepatic vascular exclusion that completes.
Of the present invention a kind of for assisting the two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion simple in structure, easy to use, with low cost; And by zoopery confirm to utilize that the present invention blocks on liver, the infrahepatic vena cava blood flow really, reliable, with traditional method, compare easy and simple to handle, safely, save time, be more suitable for general hospital.In addition, the present invention also has the following advantages: 1. to involving the huge tumor of liver caval vein joint portion, previously as preoperative estimation, be difficult to separation and appear liver superior and inferior vena cava section, often abandon excision.By this conduit, can conveniently complete full hepatic vascular exclusion, be expected to improve Resection Rate.2. by through femoral vein, inserting the present invention, the sacculus location carry out under X-ray examination in the preoperative or art in open after abdomen postcava guiding Anesthetist intubate after the patient touches liver and carry out, easy and simple to handle, be suitable for the basic hospital Popularization.3. sacculus full after, in art, can conveniently touch and with this as postcava and liver caval vein joint portion sign, avoid in art postcava and liver caval vein joint portion after the damage liver.4. this foley's tube also alternative the past previously the internal jugular vein indwelling pipe in liver surgery, as venous transfusion fluid infusion passage is conventional, use.5. insert in advance the present invention, to the massive hemorrhage that causes because of unexpected damage hepatic vein in art, can complete rapidly by the way of Filled Balloon liver after Inferior Vena Cava Blood Flow isolated, improve salvage success rate.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross sectional representation of A-A ' in Fig. 1;
Fig. 3 is the cross sectional representation of B-B ' in Fig. 1;
Fig. 4 is the cross sectional representation of C-C ' in Fig. 1;
Fig. 5 is for utilizing the present invention to block on liver and liver Inferior Vena Cava Blood flow diagram;
Description of reference numerals:
1 first sacculus, 2 second sacculus, 3 seal wires and transfusing chamber, 4 first balloon cavities, 5 second balloon cavities, 6 first sacculus perforates, 7 second sacculus perforates.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail, but enforcement of the present invention is not limited only to this.
Embodiment 1:
As Figure 1-4, a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, this conduit comprises a three cavities conduit pipe body and two sacculus; Described three cavities conduit pipe body is comprised of not connected seal wire and transfusing chamber 3, the first balloon cavity 4 and the second balloon cavity 5, and the front end of three cavities conduit pipe body is conical tip, the middle opening of conical tip and communicating with seal wire and transfusing chamber; On the outer wall of three cavities conduit pipe body, be enclosed with the first sacculus 1 and the second sacculus 2, the first sacculus communicates with the first balloon cavity by the first sacculus perforate 6 on the external wall of three cavities conduit pipe, and the second sacculus communicates with the second balloon cavity by the second sacculus perforate 7 on the external wall of three cavities conduit pipe.
Embodiment 2:
A kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, all the other are with embodiment 1, the rear end of described three cavities conduit pipe body, be connected on a firm banking, on firm banking, establish three holes, seal wire and transfusing chamber 3, the first balloon cavity 4 and the second balloon cavity 5 are respectively by these three holes.
On described seal wire and transfusing chamber, the first balloon cavity and the second balloon cavity, is furnished with bayonet socket.
Embodiment 3:
A kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, all the other are with embodiment 1, described the first sacculus 1 and the second sacculus 2 be spaced apart 6 centimetres.
Described the first sacculus perforate 6 and the second sacculus perforate 7 are positioned at the offside of the external wall of three cavities conduit pipe.
Embodiment 4:
Of the present invention a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, during clinical use, by femoral vein, insert embodiments of the invention 1,2 or 3 described a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, the location of the first sacculus 1 and the second sacculus 2 carry out under X-ray examination in the preoperative or art in open after abdomen postcava guiding Anesthetist intubate after the patient touches liver and carry out.During intubate, described seal wire and transfusing chamber, front opening, can do guiding seal wire use, and seal wire can carry out blood transfusion infusion after pulling out.By after the first balloon cavity 4 or the second balloon cavity 5 water fillings or gas injection, make the first sacculus or the second sacculus fill blood flow capable of blocking; As shown in Figure 5, after the first sacculus is full, be positioned at the suprahepatic vena cava section, after the second sacculus is full, be positioned at liver postcava section.After two sacculus are full, namely block postcava section blood flow after liver.In art, can carry out simultaneously blood transfusion infusion by seal wire and transfusing chamber 3.
Embodiment 5:
By zoopery confirm to utilize that the present invention blocks on liver, the infrahepatic vena cava blood flow really, reliable.
1, experimental technique
1.1, A organizes (n=5): utilize the auxiliary full hepatic vascular exclusion right hemihepatectomy of row of having no progeny that completes of the present invention.
Laboratory animal is selected small-sized Panamanian pig (purchased from the dried bio tech ltd of Shanghai first)
Preoperatively by femoral vein, insert three chamber central venous catheters with sacculus of the present invention, under X-ray examination, be positioned respectively on liver the first sacculus and the second sacculus and the infrahepatic vena cava section.Sacculus location also can be carried out in art: open the free all ligaments of right side liver week that cut off after abdomen, the patient touches postcava inner catheter after liver, boot helper is adjusted catheter position, the foley's tube head end is positioned in the suprahepatic vena cava section, on liver and in infrahepatic vena cava place sacculus, after the saline injection Filled Balloon, further confirms respectively the sacculus position.As not good as position, after the sacculus of finding time, continue to adjust its position until satisfied.Behind the sacculus location, adopt Pringle method (Pringle JH.Notes on the Arrest of Hepatic Hemorrhage Due to Trauma.Ann Surg.1908; 48 (4): 541 – 549.) control into hepatic blood flow.Respectively on liver and in infrahepatic vena cava place sacculus after the saline injection Filled Balloon, realize full hepatic vascular exclusion simultaneously.Along liver center, split right side and cut Glisson's capsule and shallow-layer liver parenchyma, with clamp+refer to that pinching method is from disconnected liver parenchyma, pipeline configuration is appropriate ligation one by one, capable right hemihepatectomy (reservation gallbladder).After right hemihepatectomy, the hemostasis of liver wound surface Stitch.Find time successively on liver, infrahepatic vena cava place sacculus, recover Inferior Vena Cava Blood Flow after liver.Unclamp hepatoduodenal ligament, recover into hepatic blood flow.Check without after hemorrhage and gallbladder leakage, successively close abdomen.
1.2, B organizes (n=5): adopt conventional full hepatic vascular exclusion technology to complete the right hemihepatectomy of row after blocking-up
Adopt the Pringle method to control into hepatic blood flow.The free all ligaments of right side liver week that cut off, dissect and appear under liver and the liver superior and inferior vena cava respectively rapidly, walks around umbilical cord, after tightening up, completes full hepatic vascular exclusion.Excising right half liver step organizes with A.
2, experimental result
2.1 surgery situation
Two groups of laboratory animals all complete the right hemihepatectomy under full hepatic vascular exclusion smoothly.Utilize the auxiliary full hepatic vascular exclusion group (A group) that completes of the present invention to be respectively 90.8 ± 23.5ml and 103.2 ± 32.1ml with the full hepatic vascular exclusion group of traditional method (B group) intraoperative blood loss; Completing the full hepatic vascular exclusion break time is respectively: 2.7 ± 0.3min and 25.7 ± 6.5min; Operating time is respectively 61.4 ± 11.2min and 95.3 ± 13.7min, and the A group obviously shortens than the B group, and detailed data is in Table 1.
And utilize auxiliary full hepatic vascular exclusion group (A group) not generation cavity venous injury, massive hemorrhage, the air embolism etc. of completing of the present invention, all survivals; And conventional full hepatic vascular exclusion technology blocking-up group (B group) occurs in 1 routine art because of air embolism death.
Table 1:A group and B group Comparison of experiment results
3, experimental result discussion
Along with the development of surgery operating technology, the improving of perioperative treatment, the Hepatectomy case fatality rate significantly reduces.But, control intraoperative hemorrhage and be still a great problem in liver surgery, avoiding in art too much hemorrhage and transfusion amount is one of study hotspot of present surgery of liver.The control of hepatic blood flow is often successful implementation hepatectomy and the key that reduces operative mortality and complication.Along with to being positioned at liver deep Central primary liver carcinoma and invading and the hepatocarcinoma of hepatic portal particularly is positioned at the raising of the second hepatic hilar tumor resection rate, hepatic venous complication rate is corresponding increase also, and wherein the most serious complication is that hepatic vein breaks and causes massive hemorrhage and air embolism.The reason of massive hemorrhage in analysis part generation hepatectomy, 60% case is relevant with injury of hepatic vein.Under room temperature, full hepatic vascular exclusion hepatectomy (THVE) is though can obtain the effect that good control hepatic vein is hemorrhage, avoid air embolism, but due to special anatomical position, the blocking-up of liver superior and inferior vena cava is very difficult, very risky, in case damage, can cause mortality massive hemorrhage, air embolism etc.This experimental result shows utilizes after the isolated liver of three chamber dual balloon catheters that Inferior Vena Cava Blood Flow is auxiliary completes full hepatic vascular exclusion, and effect is certain.Hemodynamics and hepatic and renal function impact are compared without significant difference with traditional method, but avoided on the anatomical isolation liver reaching the risk that infrahepatic vena cava brings.
In addition, the present invention also has the following advantages: 1. to involving the huge tumor of liver caval vein joint portion, previously as preoperative estimation, be difficult to separation and appear liver superior and inferior vena cava section, often abandon excision.By this conduit, can conveniently complete full hepatic vascular exclusion, be expected to improve Resection Rate.2. by through femoral vein, inserting the present invention, the sacculus location carry out under X-ray examination in the preoperative or art in open after abdomen postcava guiding Anesthetist intubate after the patient touches liver and carry out, easy and simple to handle, be suitable for the basic hospital Popularization.3. sacculus full after, in art, can conveniently touch and with this as postcava and liver caval vein joint portion sign, avoid in art postcava and liver caval vein joint portion after the damage liver.4. this foley's tube also alternative the past previously the internal jugular vein indwelling pipe in liver surgery, as venous transfusion fluid infusion passage is conventional, use.5. insert in advance the present invention, to the massive hemorrhage that causes because of unexpected damage hepatic vein in art, can complete rapidly by the way of Filled Balloon liver after Inferior Vena Cava Blood Flow isolated, improve salvage success rate.
Full hepatic vascular exclusion is the important technical guarantee of liver neoplasm that excision involves second and third hepatic portal and merges hepatic vein, postcava cancer embolus.Wherein blocking-up is the key point of full hepatic blood flow technology to the liver superior and inferior vena cava.By solution, cut at present the method for the outer blocking-up of hepatic vein root, liver superior and inferior vena cava diaphragm hypomere or the laggard promoting the circulation of blood pipe of pericardium inner segment, operating difficulties, risk is larger, in general hospital, is difficult to carry out.The present invention, can be under X-ray examination on liver, reaching the method that infrahepatic vena cava carries out intravascular occlusion, and femoral venous method is inserted by puncturing.Due to the method without dissecting on liver, infrahepatic vena cava, simple to operate, operation wound and risk have been reduced, improved the safety of liver surgery, and be expected to improve operation of liver cancer resection rate, reduction operative mortality and complication rate, thereby improve the overall treatment level of China's hepatocarcinoma.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite without prejudice to the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (9)
1. one kind for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, it is characterized in that, this conduit comprises a three cavities conduit pipe body and two sacculus; Described three cavities conduit pipe body is comprised of not connected seal wire and transfusing chamber (3), the first balloon cavity (4) and the second balloon cavity (5), and the front end of three cavities conduit pipe body is conical tip, the middle opening of conical tip and communicating with seal wire and transfusing chamber; On the outer wall of three cavities conduit pipe body, be enclosed with the first sacculus (1) and the second sacculus (2), the first sacculus communicates with the first balloon cavity by the first sacculus perforate (6) on the external wall of three cavities conduit pipe, and the second sacculus communicates with the second balloon cavity by the second sacculus perforate (7) on the external wall of three cavities conduit pipe.
2. according to claim 1 a kind ofly it is characterized in that for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, described the first sacculus (1) and the second sacculus (2) be spaced apart 5-8 centimetre.
3. according to claim 1 a kind ofly it is characterized in that for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, described the first sacculus (1) and the second sacculus (2) be spaced apart 6 centimetres.
4. according to claim 1,2 or 3 is described a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, it is characterized in that, the rear end of described three cavities conduit pipe body is connected on a firm banking, on firm banking, establish three holes, seal wire and transfusing chamber (3), the first balloon cavity (4) and the second balloon cavity (5) are respectively by these three holes.
5. according to claim 4 a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, it is characterized in that being furnished with bayonet socket on described seal wire and transfusing chamber (3), the first balloon cavity (4) and the second balloon cavity (5).
6. according to claim 5 a kind of for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, it is characterized in that, on described seal wire and transfusing chamber (3), the first balloon cavity (4) and the second balloon cavity (5), be connected to extension tube, three extension tubes are furnished with respectively the bayonet socket of different colours.
7. according to claim 1,2 or 3 described a kind ofly it is characterized in that for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, described the first sacculus perforate (6) and the second sacculus perforate (7) are positioned at the offside of the external wall of three cavities conduit pipe.
8. according to claim 1 a kind ofly it is characterized in that for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, described conical tip, select medical grade polyurethane material or silica gel.
9. according to claim 1 a kind ofly it is characterized in that for the auxiliary two sacculus venous ductes in three chambeies that complete full hepatic vascular exclusion, described three cavities conduit pipe body selects the medical grade polyurethane material to manufacture, and develops under X ray.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103705996A (en) * | 2014-01-07 | 2014-04-09 | 山东威高集团医用高分子制品股份有限公司 | Peripheral vein transfusion catheter |
| CN105749415A (en) * | 2016-02-03 | 2016-07-13 | 陈挺松 | Balloon catheter applied to portal vein |
| CN106669015A (en) * | 2017-02-13 | 2017-05-17 | 广西医科大学第附属医院 | Water-lubricating composite balloon ureteral dilator |
| CN106726040A (en) * | 2017-03-14 | 2017-05-31 | 重庆康华众联心血管病医院有限公司 | Support sacculus is put with luggage |
| CN106924862A (en) * | 2017-03-29 | 2017-07-07 | 南方医科大学南方医院 | Double horizontal balloon occlusion pressurization infusion systems in aorta lumen |
| CN108366855A (en) * | 2016-05-17 | 2018-08-03 | 阿斯皮赛福解决方案股份有限公司 | Expandable cannula assembly |
| CN109124719A (en) * | 2018-09-29 | 2019-01-04 | 东莞市先健医疗有限公司 | Foley's tube and its system |
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| CN1651107A (en) * | 2005-02-24 | 2005-08-10 | 四川大学华西医院 | Multi saccule catheter in blood vessel |
| CN201244281Y (en) * | 2008-08-27 | 2009-05-27 | 兖矿集团有限公司 | Three-chamber double-balloon catheter |
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| CN1593681A (en) * | 2004-06-25 | 2005-03-16 | 四川大学华西医院 | Double-saccule blood vessel inner conduct |
| CN1651107A (en) * | 2005-02-24 | 2005-08-10 | 四川大学华西医院 | Multi saccule catheter in blood vessel |
| CN201244281Y (en) * | 2008-08-27 | 2009-05-27 | 兖矿集团有限公司 | Three-chamber double-balloon catheter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103705996A (en) * | 2014-01-07 | 2014-04-09 | 山东威高集团医用高分子制品股份有限公司 | Peripheral vein transfusion catheter |
| CN105749415A (en) * | 2016-02-03 | 2016-07-13 | 陈挺松 | Balloon catheter applied to portal vein |
| CN108366855A (en) * | 2016-05-17 | 2018-08-03 | 阿斯皮赛福解决方案股份有限公司 | Expandable cannula assembly |
| US10272228B1 (en) | 2016-05-17 | 2019-04-30 | Aspisafe Solutions Inc. | Expandable intubation assemblies |
| US11135407B2 (en) | 2016-05-17 | 2021-10-05 | Aspisafe Solutions Inc. | Expandable intubation assemblies |
| CN106669015A (en) * | 2017-02-13 | 2017-05-17 | 广西医科大学第附属医院 | Water-lubricating composite balloon ureteral dilator |
| CN106726040A (en) * | 2017-03-14 | 2017-05-31 | 重庆康华众联心血管病医院有限公司 | Support sacculus is put with luggage |
| CN106924862A (en) * | 2017-03-29 | 2017-07-07 | 南方医科大学南方医院 | Double horizontal balloon occlusion pressurization infusion systems in aorta lumen |
| CN109124719A (en) * | 2018-09-29 | 2019-01-04 | 东莞市先健医疗有限公司 | Foley's tube and its system |
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| CN103394154B (en) | 2015-12-09 |
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