CN112426617A

CN112426617A - Expansion saccule for cardiovascular interventional therapy

Info

Publication number: CN112426617A
Application number: CN202011231571.8A
Authority: CN
Inventors: 孟哲
Original assignee: First Affiliated Hospital of Zhengzhou University
Current assignee: First Affiliated Hospital of Zhengzhou University
Priority date: 2018-07-30
Filing date: 2018-07-30
Publication date: 2021-03-02
Anticipated expiration: 2038-07-30
Also published as: CN112402773A; CN109224264A; CN112426617B; CN109224264B

Abstract

The invention discloses an expansion balloon for cardiovascular interventional therapy, which comprises a threaded connecting block, a threaded fixing head and an air hose, wherein the top and the bottom of one side of the threaded fixing head are both provided with a clamping groove, one side of the threaded connecting block is provided with a groove matched with the threaded fixing head, and the top and the bottom of the inner wall of the groove are both provided with a first clamping groove. This a toper expansion sacculus for cardiovascular intervention treatment, fine solution current toper expansion sacculus integral type design and sacculus and breather pipe department can not dismantle the problem that can not conveniently wash, can carry out used repeatedly, avoid causing a large amount of wastes of medical material, realized carrying out fine dismantlement with sacculus and pipeline, fine reaching makes things convenient for medical personnel to carry out abluent purpose to the sacculus, realized carrying out quick replacement to the sacculus when the sacculus is used for a long time and damages, thereby made things convenient for medical personnel to use the expansion sacculus greatly.

Description

Expansion saccule for cardiovascular interventional therapy

The patent application is divisional application, the application number of a parent application is 201810851283.9, and the application date of the parent application is 2018, 07 and 30.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a conical expansion balloon for cardiovascular interventional therapy.

Background

Cardiovascular diseases become the first major diseases which are harmful to human life and health, the number of people died due to cardiovascular and cerebrovascular diseases reaches 1500 million people worldwide every year, people live the first place of death due to diseases, percutaneous coronary artery stent becomes the most basic interventional therapy method for treating coronary atherosclerotic luminal stenosis due to high efficiency and minimal invasion, the percutaneous coronary artery stent implantation adopts a balloon catheter technology, a metal stent is pressed and held at the periphery of a balloon, a balloon conveying system is utilized to enable the stent to reach a diseased vessel, the stenotic diseased vessel lumen is expanded after the stent is pressurized, expanded and released and attached to the vessel wall, thus the blood supply of the cardiovascular system can be improved, the smoothness of blood flow is ensured, the intravascular interventional therapy is used for treating the pathological changes such as vessel occlusion stenosis, embolism and the like, and the method is an important method for the current cardiovascular disease surgical therapy, the conventional balloon catheter delivery system comprises a catheter body and an expandable balloon extending at the far end of the catheter body, wherein the balloon is delivered to a diseased blood vessel and then is filled with liquid or gas for expansion, the balloon or the catheter can be improved according to different pathological requirements, but the inner diameter of a blood vessel at the far end and the near end of a human body, which is similar to the carotid artery, the femoral artery, the left anterior descending branch of the coronary artery and the like, is greatly changed, namely the inner diameter of the blood vessel is gradually reduced into a cone shape along the axial direction of the blood vessel, and the cone-shaped balloon can be expanded by filling gas into the cone-shaped balloon, so that the blood vessel can be expanded.

Present toper expansion sacculus is the integral type design mostly, because sacculus and breather pipe department can not dismantle and can not conveniently wash, consequently generally be disposable, however, can cause a large amount of wastes of medical material like this, can not realize carrying out fine dismantlement with sacculus and pipeline, can't reach and make things convenient for medical personnel to carry out abluent purpose to the sacculus, can not realize carrying out quick more changing to the sacculus when the sacculus is used for a long time to use the expansion sacculus for medical personnel to bring very big inconvenience.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a conical expansion balloon for cardiovascular interventional therapy, which solves the problems that most of the existing conical expansion balloons are integrally designed and are generally disposable, however, a large amount of medical materials are wasted, the balloon and a pipeline cannot be well disassembled, the purpose of cleaning the balloon by medical personnel cannot be achieved conveniently, and the balloon cannot be quickly replaced when the balloon is damaged after being used for a long time.

In order to achieve the purpose, the invention is realized by the following technical scheme: a conical expansion balloon for cardiovascular intervention treatment comprises a threaded connection block, a threaded fixing head and an air hose, wherein the top and the bottom of one side of the threaded fixing head are respectively provided with a clamping groove, one side of the threaded connection block is provided with a groove matched with the threaded fixing head, the top and the bottom of the inner wall of the groove are respectively provided with a first clamping groove, the inner wall of each first clamping groove is fixedly connected with a T-shaped clamping head through a first clamping spring, one side, far away from the first clamping spring, of each T-shaped clamping head sequentially penetrates through the threaded connection block and the clamping groove and extends into the clamping groove, a buffer groove is formed in the threaded connection block, the other side of the threaded connection block is fixedly connected with an installation block, one side, far away from the threaded connection block, of the installation block is provided with an arc-shaped groove, and the, one side fixedly connected with clamping device of live-rolling ball, and the opposite side fixedly connected with center tube of thread tightening head, the one end fixedly connected with front end guide block of thread tightening head is kept away from to the center tube, just be located the outer fixed surface of center tube and be connected with expansion sacculus between one side of front end guide block and the thread tightening block.

Preferably, clamping device is including pressing from both sides tight piece, the mounting groove has been seted up to the one side of pressing from both sides tight piece, press from both sides tight piece inside and be located the top and the bottom of mounting groove and all seted up second chucking groove, and the inner wall in second chucking groove passes through second chucking spring fixedly connected with and presss from both sides tight head, press from both sides the inside that the one end that second chucking spring was kept away from to tight head runs through the mounting groove and extends to the mounting groove, press from both sides one side that tight head extended to the mounting groove inside and contact with the breather hose.

Preferably, the outer surface cover of breather hose is equipped with T type pressure head, and the top and the bottom of T type pressure head one side all pass through reset spring respectively with press from both sides one side fixed connection of tight piece, one end of breather hose runs through respectively and presss from both sides tight head, turning ball, installation piece and threaded connection piece and extends to the inside of dashpot.

Preferably, the outer surface of the threaded connection block is in threaded connection with the outer surface of the threaded fixing head through a threaded connection ring, one side of the threaded connection block is communicated with an air guide pipe, and one end, far away from the threaded connection block, of the air guide pipe sequentially penetrates through the threaded fixing head and the central pipe and extends to the inside of the central pipe.

Preferably, the top and the bottom of the central tube are both fixedly connected with air outlet nozzles.

Preferably, the other end of the air hose penetrates through the clamping block and extends to the outside of the clamping block, and one end of the air hose extending to the outside of the clamping block is fixedly connected with the connecting head. Preferably, the expansion balloon is formed by bonding and extruding a latex elastic material layer, a PVC elastic material layer and an aluminum foil elastic material layer through adhesives respectively.

(III) the invention provides an expansion balloon for cardiovascular interventional therapy, which has the following beneficial effects compared with the prior art:

(1) the expansion balloon for cardiovascular interventional therapy is characterized in that the top and the bottom of one side of the threaded fixing head are respectively provided with a clamping groove, one side of the threaded connecting block is provided with a groove matched with the threaded fixing head, and then the balloon and the ventilation hose can be quickly disassembled and assembled through the matching arrangement of the first clamping groove, the first clamping spring, the T-shaped clamping head, the assembling block, the arc-shaped groove, the rotating ball, the clamping device, the central pipe, the expansion balloon, the ventilation hose and the threaded connecting block, so that the problems that the existing conical expansion balloon is integrally designed and the balloon and the ventilation hose cannot be conveniently disassembled and cleaned are solved, the balloon can be repeatedly used, the waste of medical materials is avoided, the balloon and a pipeline can be well disassembled, and the aim of facilitating the medical care personnel to clean the balloon is well fulfilled, the balloon can be quickly replaced when being damaged after being used for a long time, so that medical staff can use the expansion balloon conveniently.

(2) This cardiovascular intervention treatment is with expansion sacculus, through being formed by latex elastic material layer, PVC elastic material layer and aluminium foil elastic material layer through adhesive bonding extrusion at the expansion sacculus respectively, the elasticity degree of reinforcing expansion sacculus that can be fine has avoided the expansion sacculus at long-term inflation in-process surface fold to appear, and influences the sacculus and normally insert patient's internal to the normal use of expansion sacculus has been guaranteed.

(3) This cardiovascular intervention treatment is with expansion sacculus, through the other end at air hose run through press from both sides tight piece and extend to the outside of pressing from both sides tight piece, the rethread extends to the outside one end fixedly connected with connector of pressing from both sides tight piece at air hose, can realize carrying out fine connection with air hose and external world, prevents to take place the condition that appears leaking gas at many expansion sacculus inflation in-process.

(4) This cardiovascular intervention treatment is with expansion sacculus, has seted up the dashpot through the inside at threaded connection piece, can realize reducing the air velocity that lets in gas, avoids aerifing too fast, makes patient feel uncomfortable to guaranteed patient's vascular expansion's security, the rethread is at the top of center tube and the equal fixedly connected with of bottom play gas nozzle, can realize letting in the gas in the center tube in the expansion gasbag.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a cross-sectional view of the threaded connection block, threaded fastener head and dilation balloon arrangement of the present invention.

Fig. 3 is a partial enlarged view of the invention at a in fig. 2.

Fig. 4 is a schematic structural view of the clamping device of the present invention.

FIG. 5 is a schematic view of the structure of the expanding airbag of the present invention.

In the figure, 1 is a threaded connecting block, 2 is a threaded fixing head, 3 is an air hose, 4 is clamping grooves, 5 is a groove, 6 is a first clamping groove, 7 is a first clamping spring, 8T-shaped clamping heads, 9 is a buffer groove, 10 is an installation block, 11 is an arc groove, 12 is a rotating ball, 13 is a clamping device, 131 is a clamping block, 132 is an installation groove, 133 is a second clamping groove, 134 is a second clamping spring, 135 is a clamping head, 14 is a central pipe, 15 is a guide block, 16 is an expansion balloon, 161 latex elastic material layer, 162 is a PVC elastic material layer, 163 is an aluminum foil elastic material layer, 17T-shaped pressure heads, 18 is a threaded connecting ring, 19 is an air guide pipe, 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a conical expansion balloon for cardiovascular intervention treatment comprises a threaded connection block 1, a threaded fixing head 2 and an air hose 3, wherein the top and the bottom of one side of the threaded fixing head 2 are respectively provided with a clamping groove 4, one side of the threaded connection block 1 is provided with a groove 5 matched with the threaded fixing head 2, the top and the bottom of the inner wall of the groove 5 are respectively provided with a first clamping groove 6, the inner wall of the first clamping groove 6 is fixedly connected with a T-shaped clamping head 8 through a first clamping spring 7, one side of the T-shaped clamping head 8, far away from the first clamping spring 7, sequentially penetrates through the threaded connection block 1 and the clamping groove 4 and extends into the clamping groove 4, the inside of the threaded connection block 1 is provided with a buffer groove 9, and the other side of the threaded connection block 1 is fixedly connected, an arc-shaped groove 11 is formed in one side, away from the threaded connecting block 1, of the mounting block 10, a rotating ball 12 is movably connected inside the arc-shaped groove 11, a clamping device 13 is fixedly connected to one side of the rotating ball 12, the clamping device 13 comprises a clamping block 131, a mounting groove 132 is formed in one side of the clamping block 131, second clamping grooves 133 are formed in the clamping block 131 and located at the top and the bottom of the mounting groove 132, a clamping head 135 is fixedly connected to the inner wall of the second clamping groove 133 through a second clamping spring 134, one end, away from the second clamping spring 134, of the clamping head 135 penetrates through the mounting groove 132 and extends into the mounting groove 132, one side, extending into the mounting groove 132, of the clamping head 135 is in contact with the air hose 3, and the other side of the threaded fixing head 2 is fixedly, the surface cover of breather hose 3 is equipped with T type pressure head 17, and the top and the bottom of T type pressure head 17 one side all through reset spring respectively with press from both sides one side fixed connection of tight piece 131, the one end of breather hose 3 runs through respectively and presss from both sides tight head 135, turning ball 12, installation piece 10 and threaded connection piece 1 and extend to the inside of dashpot 9, the one end fixedly connected with front end guide block 15 of threaded connection head 2 is kept away from to center tube 14, threaded connection ring 18 and the surface threaded connection of threaded connection head 2 are passed through to the surface of threaded connection piece 1, and one side intercommunication of threaded connection piece 1 has air duct 19, the one end that threaded connection piece 1 was kept away from to air duct 19 runs through threaded connection head 2 and center tube 14 in proper order and extends to the inside of center tube 14, between one side of front end guide block 15 and the threaded connection piece Fixed surface is connected with expansion sacculus 16, expansion sacculus 16 is respectively by latex elastic material layer 161, PVC elastic material layer 162 and aluminium foil elastic material layer 163 form through the adhesive bonding extrusion, latex elastic material layer 161, PVC elastic material layer 162 and aluminium foil elastic material layer 163 all have fine elasticity effect, the equal fixedly connected with air outlet nozzle 20 in top and the bottom of center tube 14, the other end of air hose 3 runs through and presss from both sides tight piece 131 and extend to the outside of pressing from both sides tight piece 131, air hose 3 extends to the outside one end fixedly connected with connector 21 of pressing from both sides tight piece 131.

When in use, medical personnel can send the expansion sacculus 16 to a patient through the conveying system, then the vent hose 3 is in good sealing connection with external negative pressure equipment through the connector 21, then the medical personnel can inflate the vent hose 3 through the external negative pressure equipment, the air can enter the expansion sacculus 16 through the buffer groove 9, the air duct 19, the central tube 14 and the air outlet nozzle 20 in sequence, so that the expansion sacculus 16 starts to expand the blood vessel of the patient, when the expansion sacculus 16 needs to be disassembled after the use is finished, the medical personnel can press the T-shaped pressure head 17 to extrude the clamping head 135 back into the second clamping groove 133, then the vent hose 3 can be pulled out from the buffer groove 9, and then the medical personnel can rotate the threaded connecting ring 18 upwards, the T-shaped clamping head 8 is pulled out forcefully to separate the threaded connecting block 1 from the threaded fixing head 2, and then the expansion saccule 16 can be taken away for cleaning, disinfection or replacement to be prepared for reuse, so that the whole using process of the drainage device for nursing in the cardiovascular department is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention

Many changes, modifications, substitutions and variations are possible, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. Cardiovascular intervention treatment is with expansion sacculus, including threaded connection piece (1), thread tightening head (2) and air hose (3), its characterized in that: the thread fixing device is characterized in that the top and the bottom of one side of the thread fixing head (2) are both provided with a clamping groove (4), one side of the thread connecting block (1) is provided with a groove (5) matched with the thread fixing head (2), the top and the bottom of the inner wall of the groove (5) are both provided with a first clamping groove (6), the inner wall of the first clamping groove (6) is fixedly connected with a T-shaped clamping head (8) through a first clamping spring (7), one side, away from the first clamping spring (7), of the T-shaped clamping head (8) sequentially penetrates through the thread connecting block (1) and the clamping groove (4) and extends to the inside of the clamping groove (4), the inside of the thread connecting block (1) is provided with a buffer groove (9), the other side of the thread connecting block (1) is fixedly connected with a mounting block (10), and one side, away from the thread connecting block (1), of the, and the inside swing joint of arc wall (11) has rotating ball (12), one side fixedly connected with clamping device (13) of rotating ball (12), and the opposite side fixedly connected with center tube (14) of thread tightening head (2), the one end fixedly connected with front end guide block (15) of center tube (14) far away from thread tightening head (2), the surface fixedly connected with expansion sacculus (16) that just is located center tube (14) between one side of front end guide block (15) and thread tightening block (2), clamping device (13) include press from both sides tight piece (131), the mounting groove (132) has been seted up to one side of pressing from both sides tight piece (131), press from both sides the inside and be located the top and the bottom of mounting groove (132) and all seted up second chucking groove (133), and the inner wall of second chucking groove (133) is through second chucking spring (134) fixedly connected with presss from both sides tight head (135), the one end that presss from both sides tight head (135) and keep away from second chucking spring (134) runs through mounting groove (132) and extends to the inside of mounting groove (132), press from both sides tight head (135) and extend to the inside one side and the breather hose (3) contact of mounting groove (132), the surface cover of breather hose (3) is equipped with T type pressure head (17), and the top and the bottom of T type pressure head (17) one side all through reset spring respectively with press from both sides one side fixed connection of tight piece (131), the one end of breather hose (3) is run through respectively presss from both sides tight head (135), turning ball (12), installation block (10) and threaded connection piece (1) and extends to the inside of dashpot (9), the surface of threaded connection piece (1) passes through the outer surface threaded connection of threaded connection ring (18) and thread tightening head (2), and one side intercommunication of threaded connection piece (1) has air duct (19), the one end that threaded connection piece (1) was kept away from in air duct (19) runs through thread tightening head (2) and center tube (14) in proper order and extends to the inside of center tube (14), the equal fixedly connected with of top and the bottom of center tube (14) goes out gas nozzle (20).

2. A dilatation balloon for cardiovascular intervention according to claim 1, wherein: the other end of the ventilation hose (3) penetrates through the clamping block (131) and extends to the outside of the clamping block (131), and one end, extending to the outside of the clamping block (131), of the ventilation hose (3) is fixedly connected with a connecting head (21).

3. A dilatation balloon for cardiovascular intervention according to claim 1, wherein: the expansion balloon (16) is formed by adhering and extruding a latex elastic material layer (161), a PVC elastic material layer (162) and an aluminum foil elastic material layer (163) through adhesives.