CN100448411C

CN100448411C - Blood vessel blocking drainage tube with thin wall sandwiched balloon

Info

Publication number: CN100448411C
Application number: CNB2007100673054A
Authority: CN
Inventors: 陈祥明; 王荐品
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2007-02-12
Filing date: 2007-02-12
Publication date: 2009-01-07
Anticipated expiration: 2027-02-12
Also published as: CN101019774A

Abstract

The blood vessel blocking drainage tube with thin wall sandwiched balloon has the structure including one inflatable sandwich formed with one inner air bag and one outer air bag, and one hollow tube including one front part outside the air bags and one back pat, with the hollow tube possessing one front pressure monitoring port in the end of the front part and one back pressure monitoring port in the end of the back part. There are also one inflating pipe set inside the hollow tube and extending into the air bag, and one pipe inside the sandwich for blood to flow back. The blood vessel blocking drainage tube has both blood flow blocking and blood draining functions, and is set in proper position of artery and vein.

Description

Blood vessel blocking drainage tube with thin wall sandwiched balloon

Technical field

The invention belongs to the clinical medicine technical field, relate to medical apparatus and instruments, be specially a kind of bloodstream blocking and drainage tube, be mainly used in tremulous pulse and venous bloodstream blocking, it is hemorrhage with backflowing property of minimizing to block postcava when being applicable to operation on liver, and needs interruption artery to reduce the various occasions of intraoperative hemorrhage.

Background technology

In the clinical position, hemorrhage when reducing operation on liver often needs blocking-up simultaneously to go into liver and goes out liver blood stream.Blocking blood flow can make operating field clear, makes that the reparation of excision, wound of some tumors is smooth, and especially operation on liver is hemorrhage many, and effectively control is gone into liver blood stream and can't be undergone surgery; For right side gigantic liver tumor, inferior caval " central type " hepatocarcinoma behind caudal lobe tumor or the contiguous hepatic vein root regulating liver-QI, because the danger that may tear postcava and hepatic vein generation massive hemorrhage and air embolism more needs to block simultaneously into liver and goes out liver blood stream back and performs the operation under " depletion of blood " state.Inferior caval blocking-up is huge for the systemic blood flow effect of kinetics, and part patient causes operative failure owing to not tolerating, even causes death.

The postcava blocking-up can influence the dynamic (dynamical) variation of systemic blood flow, thereby cause multiple complications, how could when operation on liver, can block postcava quickly and easily and to come liver blood flow, make operative hemorrhage few, operating field is clear, again can the dynamic (dynamical) variation of little effect systemic blood flow, guarantee the normal blood confession of important organ, be the problem that presses for solution clinically.

Traditional Sacral Tumors resection operation often because of dissect complexity, the tumor body is huge, intraoperative hemorrhage is more, becomes the difficult problem of bone surgery.Big of rumpbone or inferior full amputation art treatment Sacral Tumors all exist lose blood in the art more, damage surrounding organ and the generation that causes other complication easily.It is reported that high-order excision of presacral tumor intraoperative hemorrhage can reach 1600-13000ml, average 6080ml.Need conventional ligation bilateral internal iliac to reduce intraoperative hemorrhage at present clinically, and this operation process needs ligation bilateral internal iliac under patient's dorsal position, transfers the descending excision of presacral tumor in ventricumbent position then to, needs a plurality of operative incisions, operating time is long, causes patient's wound bigger.How to reduce patient's wound, shorten operating time, can reduce hemorrhage again is a difficult problem of being badly in need of solution at present clinically.

Summary of the invention

In order to solve these difficult problems, reach above-mentioned every requirement, the invention provides a kind of blocking-up of tool blood flow and the pipeline of drain dual function, place it in tremulous pulse and venous proper site, reach the blocking effect of blood flow by aerating gasbag, reach the effect of blood drainage by the pipeline of air bag inside, thus all deficiencies that cause when avoiding interruption artery and vein clinically, for facility is created in operation, for the patient provides safe and effective therapeutic equipments and means.

The present invention is achieved through the following technical solutions:

Blood vessel blocking drainage tube with thin wall sandwiched balloon of the present invention is made up of a double-layer air bag 4 and a hollow pipe 11 that passes external gas-bag layer 7.Described double-layer air bag 4 is by external gas-bag layer 7 and internal gas-bag layer 8, and the inflatable interlayer 9 between the internal and external layers of gas bag, and the bleed back tube road 10 in the internal gas-bag layer 8 is formed.Described hollow pipe 11 passes the skin of air bag 4, and it stays air bag 4 outer parts is preceding hollow pipe 3 and back hollow pipe 5, and the end of preceding hollow pipe 3 has a preceding pressure monitoring mouth 1, and the end of back hollow pipe 5 has a back pressure monitoring hole 6.An aerating pipe 12 is arranged in the described hollow pipe 11, one end of aerating pipe 12 communicates by the air of inflation inlet 13 with interlayer 9 in interlayer 9, and the other end of aerating pipe 12 hollow pipe 3 forward extends, and pass hollow pipe in the pro-hollow pipe 3, form the aerating pipe port 2 of introducing outside air.

The present invention is a blood vessel blocking drainage tube with thin wall sandwiched balloon, its internal gas-bag layer 8 and external gas-bag layer 7 form an inflatable interlayer 9, hollow pipe 11 passes the inside and outside layer of air bag, it is preceding hollow pipe 3 and back hollow pipe 5 that hollow pipe 11 is stayed the outer part of air bag, the end of preceding hollow pipe 3 has a preceding pressure monitoring mouth 1, and the end of back hollow pipe 5 has a back pressure monitoring hole 6.

An aerating pipe 12 is arranged in hollow pipe 11 and the preceding hollow pipe 3, and aerating pipe 12 is worn to inside and outside air bag layer by inflation inlet 13, and pressure monitoring mouth 1 end extends to aerating pipe port 2 forward.

Air bag 4 is a double-layer thin wall air bag, external gas-bag layer 7 and internal gas-bag layer 8 are formed an airtight air bag interlayer 9, aerating pipe 12 links to each other with aerating pipe port 2, and links to each other with inflation inlet 13 and communicate, and the air communication gas overcharging pipeline 12 and the inflation inlet 13 of aerating pipe port 2 enter air bag interlayer 9.Blood refluxes from the pipeline 10 of interlayer gas bag inside.

The present invention has following characteristics: 1, rational in infrastructure, easy to operate, and definite effect; 2, the application of the present invention in operation on liver can be avoided dissecting and be exposed the liver superior and inferior vena cava, can save operating time, reduces operation wound and reduces intraoperative hemorrhage; The present invention blocks hepatic vein regulating liver-QI venule, prevents that effectively liver blood flow from backflowing; The inferior caval blood flow of effective drainage alleviates blood stasis and the effective returned blood volume of assurance that postcava refluxes and organizes to right atrium again simultaneously, improves the safety of operation; 3, when Sacral Tumors is performed the operation, can avoid preceding road otch to expose internal iliac artery, can reduce wound, reduce hemorrhage.

Description of drawings

Fig. 1 is an external overall structural representation of the present invention.

Fig. 2 is the cross sectional view of air bag 4.

Fig. 3 is an interlayer gas bag internal pipeline 3-D solid structure sketch map.

The specific embodiment

The present invention will be further described in conjunction with the accompanying drawings.

The structure of 1 one kinds of bloodstream blocking drainage tubes of embodiment is as follows:

Referring to accompanying drawing 1, Fig. 2 and Fig. 3; blood vessel blocking drainage tube with thin wall sandwiched balloon mainly connects air bag 4, aerating pipe 12 and aerating pipe port 2 by hollow pipe 11; front and rear sections of air bag 4 is preceding hollow pipe 3 and back hollow pipe 5; head end of preceding hollow pipe 3 is preceding pressure monitoring mouth 1, and the tail end of back hollow pipe 5 is a back pressure monitoring hole 6.Interlayer gas bag is actual to be the double-layer thin wall air bag, and external gas-bag layer 7 and internal gas-bag layer 8 are formed an airtight air bag interlayer 9.Aerating pipe 12 links to each other with aerating pipe port 2, and links to each other with inflation inlet 13 and communicate, and the air communication gas overcharging pipeline 12 and the inflation inlet 13 of aerating pipe port 2 enter air bag interlayer 9.Hollow pipe 11 two ends are preceding monitoring mouth 1 and back monitoring mouth 6.Blood refluxes from the pipeline 10 of interlayer gas bag inside.

Embodiment 2

By a use-case, explain orally blood vessel blocking drainage tube with thin wall sandwiched balloon using method of the present invention:

Sting in the neck or femoral vein with commercially available internal jugular vein puncture free clothing, place guide wire, with venipuncture bag institute belt leather skin convergent divergent channel skin expansion and internal jugular vein, place commercially available float catheter trocar sheath along guide wire, suture is fixed.Connect preceding pressure monitoring mouth 1 with the 20ml syringe, injecting heparin normal saline prefilled hollow pipe 11 connects the integrity that aerating pipe port 2 is checked air bags with the 10ml syringe, and gas is exhausted fully.Then blood vessel blocking drainage tube with thin wall sandwiched balloon of the present invention is put into the float catheter trocar sheath, be advanced into correct position (touching air bag, C arm machine by the surgical operation person takes the photograph in sheet or the art B ultrasonic and determine drain and blocking tube position).When operation needs the blocking-up hepatic vein, connect aerating pipe port 2 with the 10ml syringe, it is full to air bag interlayer 9 to charge into carbon dioxide, and guaranteeing does not like this have blood to be back to liver from hepatic vein regulating liver-QI venule, and inferior caval backflow blood arrives right atrium by pipeline 10.

Claims

1, blood vessel blocking drainage tube with thin wall sandwiched balloon, form by a double-layer air bag (4) and a hollow pipe (11) that passes external gas-bag layer (7), it is characterized in that: described double-layer air bag (4) is by external gas-bag layer (7) and internal gas-bag layer (8), and the inflatable interlayer (9) between the internal and external layers of gas bag, the bleed back tube road (10) in the internal gas-bag layer (8) is formed; An aerating pipe (12) is arranged in the described hollow pipe (11), one end of aerating pipe (12) is in interlayer (9), communicate by the air of inflation inlet (13) with interlayer (9), the other end of aerating pipe (12) hollow pipe (3) forward extends, and pass hollow pipe in the pro-hollow pipe (3), form the aerating pipe port (2) of introducing outside air.