CN202619762U

CN202619762U - Vascular closure device

Info

Publication number: CN202619762U
Application number: CN 201220311880
Authority: CN
Inventors: 王峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-30
Filing date: 2012-06-30
Publication date: 2012-12-26
Anticipated expiration: 2022-06-30

Abstract

The utility model discloses a vascular closure device which can be used for effectively closing broken blood vessels, especially thick-diameter blood vessels, veins and the like in a possible or burst vascular injury state so as to inhibit bleeding and win time for smooth operation. The vascular closure device comprises left and right symmetrical catheters, the top of each catheter is provided with a liquid inlet, and a one-way valve is fixedly connected to each liquid inlet; the tail end of each catheter is closed, a plurality of liquid outlets are uniformly distributed on the tail wall of each catheter, a ball bag is fixedly connected to the wall outside the tail end of each catheter, and the length of each ball bag ensure that all the liquid inlets can be covered therein; and the middle parts of the left and right catheters are connected into a whole, and the liquid passages of the two catheters are not intersected with each other. The vascular closure device is skilful in design, simple in structure, easy to operate, low in cost and good in hemostatic effect, can be used for reducing the difficulty of operation in disguised form, and is extremely easy to popularize.

Description

Blood vessel blocking device

Technical field

This utility model relates to a kind of medical science surgery auxiliary treatment apparatus; It specifically is a kind of blood vessel blocking device; This blood vessel blocking device can meet with blood vessel injury and break when hemorrhage in vascular surgery or other operation processs, damaged blood vessels is realized safe, reliable and effective shutoff.

Background technology

Situation about the most often running in the surgical operation is: blood vessel injury break cause hemorrhage, often cause the operation can't carry out smoothly or stop the operation in addition the initiation life danger.The what is called major operation is it and wants around the cut-out tissue of outbalance and bigger blood vessel are arranged, very easily damage, and more hard to manage after the damage, can in art, reach peri-operation period and cause comparatively severe complications, wherein of paramount importance is exactly blood vessel injury.Blood vessel injury is divided into arterial injury and venous injury, and after less blood vessel sustained damage, amount of bleeding was less, and is little to the wild influence of art, can in the wild hematocele of cleaning art, carry out the repairing of injury region.During arterial injury, available vessel clamp clamping injury region both sides far-end normal blood vessels tube wall, blocking-up two ends blood circulation; Make injury region temporarily be in the depletion of blood state; Thereby the clear display art is wild, carries out vascular suture or identical or artificial blood vessel bridging again, thereby realizes the breakage repairing.But vein is different with tremulous pulse, and wall of vein is thin, and myocyte and elastic fiber are less, so the venous blocking-up is particularly important: 1. can not use the vascular forceps clamping, can damage and tear blood vessel wall, thereby damage is further enlarged.2. in special vascular surgery, can be earlier that its two ends normal blood vessels surrounding tissue is free, will block again be with put after; Just can carry out next step operation, cause the people to enlarge, increase the weight of damage for causing wound surface; Complication is increased the weight of, and when damage burst busyly do prior preparation, be caught unprepared.

Though some blood vessel plugging devices are also arranged now, these install mostly complex structure, it is loaded down with trivial details to use, and operating technology is had relatively high expectations, and also need to improve further.

Summary of the invention

The purpose of this utility model is for a kind of blood vessel blocking device is provided; Under the blood vessel injury state that maybe or happen suddenly, damaged blood vessel is especially carried out effective shutoff than extra heavy pipe footpath blood vessel, vein blood vessel etc., thereby suppress hemorrhage; Race against time, so as the operation carry out smoothly.

This utility model is realized through following technical scheme:

A kind of blood vessel blocking device comprises left and right two identical and symmetrically arranged conduits, and catheter tip offers inlet, is connected with check valve on the inlet; Catheter tip sealing and be uniformly distributed with some liquid outlets on the tube wall endways is connected with sacculus on the catheter tip outer tube wall, in the length of sacculus will guarantee all liquid outlets are all covered; The mid portion of left and right two conduits is connected to an integral body; And the fluid passage separately of two conduits does not occur simultaneously mutually, and (that is: the mid portion of two conduits is solidly connected with each other; But two conduits fluid passage does not separately occur simultaneously mutually; This device designs for DLC, two inlets, biliquid road, and communicate separately).

This utility model blood vessel blocking device adopts the DLC design, two inlets, biliquid road, and communicate separately, do not occur simultaneously mutually.Inlet is provided with check valve, and (this check valve can adopt check valve of the prior art; The check valve in the catheter for example); Promptly have in the inlet of this check valve if between the crack that connects and each crack high resiliency press together (like Fig. 5,6); The liquid that injects in the conduit can't get out, reach liquid and can only advance the purpose that can not go out; Offer some liquid outlets on the tube wall of catheter tip, the liquid outlet outside is covered by sacculus.Operation principle is: with syringe the check valve of liquid through inlet is injected in the conduit; It is terminal that liquid arrives the conduit fluid passage along the conduit fluid passage; Flow out in the liquid outlet of liquid from the catheter tip tube wall; Along with increasing of liquid, flat before flat sacculus topping up gradually becomes big, until sacculus get big or small can block blood vessel till; After finishing using, the reuse syringe is extracted the liquid in the conduit out through the check valve of inlet, and the air bag of catheter tip has just recovered former state.

Further, the inlet place of catheter tip also is equipped with the liquid inlet joint of body with cover, and check valve places in the liquid inlet joint.Liquid inlet joint not only can make the fixing tightr of check valve and conduit, and injecting fluid in the more convenient syringe conductive pipe, and the lid on the liquid inlet joint guaranteed in the conduit totally, not contaminated.

The activity of the center of lid inside top be plugged with one with the hardness that strengthens conduit, make conduit can contrary blood flow behind the intravasation and on arrive the hard stilet of appointed part.Stilet with certain degree of hardness can change the conduit flexibility, and the auxiliary hardness that strengthens conduit makes conduit when inserting damaged blood vessels, can go up against blood flow and arrive appointed part; After treating that conduit reaches the assigned address in the blood vessel, just can stilet be extracted out and disassemble.

Conduit, check valve, sacculus all adopt medical macromolecular materials to process, and check valve, sacculus all adopt the rubber-like medical macromolecular materials to process, and liquid inlet joint adopts medical plastic to process.

When blood vessel injury takes place, need push injury region hemostasis and processing in time at once and know that art is wild, estimate blood vessel diameter; Then this blood vessel blocking device is moved to the art open country; The two terminal heads that the place of pushing removes these blood vessel blocking device two conduits of a little confession enter into through osculum that (at this moment, the sacculus of catheter head is an initial condition, and promptly sacculus is shrunken flat shape in the lumen of vessels; Being close to conduit does not enlarge); Two of two conduits terminal heads enter into respectively in the lumen of vessels of wound both sides, and through stilet two conduits are extended more than damage wound 5cm and to locate, and so just can not make the distortion of damage wound and be unfavorable for operation.After treating that conduit arrives assigned address, with injecting normal saline in stilet taking-up and the check valve conductive pipe of use syringe through two conduit inlets, it is terminal that normal saline gets into fluid passage along the conduit fluid passage; Normal saline flows out from the liquid outlet on the catheter tip tube wall; Along with the increase of normal saline injection rate, flat flat sacculus becomes greatly gradually before can making it, and surpasses the vascular canal diameter until balloon diameter; Examination will be oppressed gently and removed this moment; If it is excessive that injury region does not have blood, then the sacculus of explanation expansion has been blocked blood vessel, just can compressing be withdrawn fully; If when removing, injury region still has and overflows, and then continues to inject normal saline till nothing is overflowed.Next carry out vascular repair; When repairing fast finishing, use syringe that the normal saline in two conduits is pumped, make conduit recover former state; And stay an aperture to supply two conduits to withdraw from the blood vessel in the wound; Damage the wound and obviously diminish this moment, and its excessive blood can not affect greatly the art open country, then can continue to accomplish the repairing of residue operation.When on the blood vessel in the 5cm scope of damaged wound both sides bifurcated being arranged, can use two cover this utility model devices to carry out two blood vessels of bifurcated are carried out shutoff simultaneously, method for using is the same.

This utility model design is ingenious, simple in structure, processing ease, with low cost, haemostatic effect good, in a disguised form reduced the difficulty of operation, and is very easily universal.And in professional vascular surgery, use some the preparatory operations before this utility model device can reduce art, to reduce the rank of operating before the art; As: free ends normal blood vessels surrounding tissue; Operation such as outside blood vessel, block, can reduce blood vessel and tissue injury like this, reduce operating difficulty; Shorten operating time, reduce post-operative complication.

Description of drawings

Fig. 1 for this utility model when plugging stilet, structural representation when air bag does not fill up.

Fig. 2 is the cutaway view of Fig. 1.

Fig. 3 for this utility model when stilet is extracted, structural representation when air bag fills up.

Fig. 4 is the cutaway view of Fig. 3.

Fig. 5 is the check valve sectional structure sketch map in this utility model.

Fig. 6 is the check valve vertical view in this utility model.

Fig. 7 for this utility model when plugging stilet, fundamental diagram when air bag does not fill up.

Fig. 8 for this utility model when stilet is extracted, fundamental diagram when air bag fills up.

Among the figure: 1-conduit, 2-check valve, 3-liquid outlet, 4-sacculus, 5-liquid inlet joint, 6-lid, 7-stilet, 8-blood vessel, 9-blood.

The specific embodiment

Below in conjunction with accompanying drawing this utility model is done to describe further:

To shown in Figure 6, a kind of blood vessel blocking device comprises left and right two identical and symmetrically arranged conduits 1 like Fig. 1, and conduit 1 top offers inlet, is connected with check valve 2 on the inlet; Conduit 1 endcapped and be uniformly distributed with some liquid outlets 3 on the tube wall endways is connected with sacculus 4 on the conduit 1 terminal outer tube wall, in the length of sacculus 4 will guarantee all liquid outlets 3 are all covered; The mid portion of left and right two conduits 1 is connected to an integral body, and the fluid passage separately of two conduits 1 does not occur simultaneously mutually.

During practical implementation, conduit 1, check valve 2, sacculus 4 all adopt medical macromolecular materials to process, and check valve 2 and sacculus 4 all adopt and have elastomeric medical macromolecular materials and process; Liquid inlet joint 5 adopts medical plastic to process.

During use,, two conduit 1 ends are inserted into respectively in blood vessel 8 inner chambers of vascular wound both sides (at this moment like Fig. 7 and shown in Figure 8; The sacculus of catheter head is an initial condition, and promptly sacculus is shrunken flat shape, is close to conduit and does not enlarge); Through stilet 7 two conduits 1 are delivered in the blood vessel apart from the assigned address more than the damage wound 5cm; After treating that conduit 1 arrives assigned address, with stilet 7 taking-ups and with propelling normal saline in check valve 2 conductive pipe 1 of syringe through conduit 1 inlet 2, it is terminal that normal saline gets into fluid passage along conduit 1 fluid passage; Normal saline flows out from the liquid outlet 3 on conduit 1 end tube wall; Along with the increase of normal saline injection rate, flat flat sacculus 4 becomes greatly because of notes fill normal saline gradually before can making it, until becoming big sacculus 4 with blood vessel 8 shutoff; Make the blood 9 in the blood vessel 8 block no longer outflow, just can repair afterwards blood vessel 8 wounds.When repairing fast finishing; Use syringe that the normal saline in two conduits 1 is pumped; Make conduit 1 recover former state, and stay an aperture to supply two conduits 1 in blood vessel 8, to withdraw from the wound, damage the wound and obviously diminish this moment; Its excessive blood 9 can not affect greatly the art open country, then can continue to accomplish the repairing of residue operation.

Claims

1. blood vessel blocking device, it is characterized in that: comprise left and right two identical and symmetrically arranged conduits (1), conduit (1) top offers inlet, is connected with check valve (2) on the inlet; Conduit (1) endcapped and be uniformly distributed with some liquid outlets (3) on the tube wall endways is connected with sacculus (4) on the terminal outer tube wall of conduit (1), in the length of sacculus (4) will guarantee all liquid outlets (3) are all covered; The mid portion of left and right two conduits (1) is connected to an integral body, and the fluid passage separately of two conduits (1) does not occur simultaneously mutually.

2. blood vessel blocking device according to claim 1 is characterized in that: the vertical inlet of conduit (1) place also is equipped with the liquid inlet joint (5) of body with cover (6), and check valve (2) places in the liquid inlet joint (5).

3. blood vessel blocking device according to claim 2 is characterized in that: the center activity of lid (6) inside top be plugged with one with the hardness that strengthens conduit, make conduit can contrary blood flow behind the intravasation and on arrive the hard stilet (7) of appointed part.

4. according to claim 1 or 2 or 3 described blood vessel blocking devices, it is characterized in that: conduit (1), check valve (2), sacculus (4) all adopt medical macromolecular materials to process.

5. blood vessel blocking device according to claim 4 is characterized in that: check valve (2), sacculus (4) all adopt the rubber-like medical macromolecular materials to process.

6. according to claim 2 or 3 described blood vessel blocking devices, it is characterized in that: liquid inlet joint (5) adopts medical plastic to process.