CN112426617B

CN112426617B - Cone-shaped expansion saccule for cardiovascular interventional therapy

Info

Publication number: CN112426617B
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: 2023-09-01
Anticipated expiration: 2038-07-30
Also published as: CN109224264B; CN109224264A; CN112402773A; CN112426617A

Abstract

The invention discloses an expansion saccule for cardiovascular interventional therapy, which comprises a threaded connecting block, a threaded fixing head and a ventilation hose, wherein clamping grooves are formed in the top and the bottom of one side of the threaded fixing head, a groove matched with the threaded fixing head is formed in one side of the threaded connecting block, and first clamping grooves are formed in the top and the bottom of the inner wall of the groove, and the expansion saccule relates to the technical field of medical equipment. This a toper expansion sacculus for cardiovascular intervention, fine solution current toper expansion sacculus integrated design and sacculus and breather pipe department can not dismantle can not convenient abluent problem, can carry out repeatedly usable, avoid causing a large amount of wastes of medical material, realized carrying out fine dismantlement with sacculus and pipeline, fine reached and made things convenient for medical personnel to carry out abluent purpose to the sacculus, realized carrying out quick replacement to the sacculus when the sacculus uses the damage for a long time to medical personnel have made things convenient for the expansion sacculus greatly.

Description

Cone-shaped expansion saccule for cardiovascular interventional therapy

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

Technical Field

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

Background

Cardiovascular diseases become the first major diseases which are harmful to life health of human beings, the number of deaths caused by cardiovascular and cerebrovascular diseases reaches 1500 ten thousand people each year, the percutaneous coronary artery stent is the first place of death caused by diseases of human beings, the percutaneous coronary artery stent is the most basic and most main interventional treatment method for treating coronary atherosclerotic lumen stenosis due to high efficiency and micro-creation, the percutaneous coronary artery stent implantation uses balloon catheter technology, a metal stent is pressed and held at the periphery of the balloon, the stent reaches a lesion vessel by using a balloon conveying system, the lumen of the stenosed lesion vessel is enlarged after the stent is pressed and expanded, and is attached on the vessel wall, thereby improving blood supply of the cardiovascular system, ensuring smoothness of blood flow, the method of intravascular interventional therapy is used for treating lesions such as vascular occlusion stenosis, embolism and the like, is an important method of current cardiovascular disease operation treatment, a conventional balloon catheter conveying system comprises a catheter body and an expandable balloon extending at the distal end of the catheter body, the balloon is conveyed to a lesion blood vessel and then filled with liquid or gas for expansion, the balloon or the catheter can be improved according to the requirements of different lesions, but the inner diameter of a far and near blood vessel similar to carotid artery, femoral artery, left anterior descending branch of coronary artery and the like of a human body is greatly changed, namely the inner diameter of the blood vessel is gradually tapered along the axial direction of the blood vessel, and the tapered balloon is inflated by filling gas into a box tapered balloon, so that the combined blood vessel is expanded.

Most of the existing conical expansion balloons are integrally designed, and the balloon and the vent pipe cannot be detached and cleaned conveniently, so that the balloon and the vent pipe are generally disposable, however, a large amount of medical materials are wasted, the balloon and the pipeline cannot be well detached, the aim of cleaning the balloon by medical staff cannot be achieved, the balloon cannot be quickly replaced when the balloon is damaged due to long-term use, and great inconvenience is brought to the medical staff who uses the expansion balloon.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the 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 great amount of medical materials are wasted, the balloon and a pipeline cannot be well disassembled, the aim of cleaning the balloon by medical staff cannot be achieved, and the balloon cannot be quickly replaced when the balloon is damaged due to long-term use can not be achieved.

The second technical scheme is that the invention is realized by the following technical scheme: a toper expansion sacculus for cardiovascular intervention treatment, including screw thread connecting block, screw thread fixed head and breather hose, draw-in groove has all been seted up to the top and the bottom of screw thread fixed head one side, the recess with screw thread fixed head looks adaptation has been seted up to one side of screw thread connecting block, first chucking groove has all been seted up to the top and the bottom of recess inner wall, and the inner wall in first chucking groove passes through first chucking spring fixedly connected with T type dop, one side that first chucking spring was kept away from to the T type dop runs through screw thread connecting block and draw-in groove in proper order and extends to the inside of draw-in groove, the buffer tank has been seted up to the inside of screw thread connecting block, the opposite side fixedly connected with installation piece of screw thread connecting block, and the arc wall has been seted up to one side of keeping away from the screw thread connecting block, one side fixedly connected with clamping device of ball, and the opposite side fixedly connected with center tube of screw thread fixed head, the one side fixedly connected with front end guide block of keeping away from the screw thread fixed head, just be located between the surface fixedly connected with expansion sacculus of center tube.

Preferably, the clamping device comprises a clamping block, an installation groove is formed in one side of the clamping block, second clamping grooves are formed in the clamping block, the second clamping grooves are formed in the top and the bottom of the installation groove, the inner wall of each second clamping groove is fixedly connected with a clamping head through a second clamping spring, one end, far away from the second clamping spring, of each clamping head penetrates through the installation groove and extends to the inside of the installation groove, and one side, extending to the inner portion of the installation groove, of each clamping head is in contact with the air hose.

Preferably, the surface cover of ventilation 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 one side fixed connection of clamp block, ventilation hose's one end runs through clamp head, swivel ball, installation piece and threaded connection piece respectively and extends to the inside of buffer tank.

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 duct, and one end of the air duct, which is far away from the threaded connection block, sequentially penetrates through the threaded fixing head and the central tube and extends to the inside of the central tube.

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

Preferably, the other end of the ventilation hose penetrates through the clamping block and extends to the outside of the clamping block, and one end of the ventilation hose extending to the outside of the clamping block is fixedly connected with the connector. 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 an adhesive.

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

(1) This cardiovascular toper expansion sacculus for interventional therapy, through all having seted up the draw-in groove at the top and the bottom of screw thread fixed head one side, and screw thread connecting block's one side has seted up the recess with screw thread fixed head looks adaptation, respectively through first chucking groove, first chucking spring, T type dop, the installation piece, the arc groove, the rotating ball, clamping device, the center tube, the expansion sacculus, the cooperation setting of air hose and screw thread connecting block, can realize dismantling fast and installing sacculus and air hose, the problem that can not conveniently wash can not be dismantled in current toper expansion sacculus integrated design and sacculus and breather pipe department has been solved like this, can carry out repeatedly used, avoid causing a large amount of waste of medical material, realized carrying out fine dismantlement with sacculus and pipeline, fine realization 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 uses for a long time and damage, thereby medical personnel use the expansion sacculus has been greatly facilitated.

(2) The conical expansion balloon for cardiovascular interventional therapy is formed by bonding and extruding the latex elastic material layer, the PVC elastic material layer and the aluminum foil elastic material layer through the adhesive respectively, so that the elasticity degree of the expansion balloon can be well enhanced, the phenomenon that the surface of the expansion balloon is wrinkled in the long-term expansion use process, and the normal insertion of the balloon into a patient is influenced is avoided, and the normal use of the expansion balloon is ensured.

(3) This cardiovascular intervention is with toper expansion sacculus, through the other end at the air hose runs through the clamp block and extend to the outside of clamp block, the rethread extends to the outside one end fixedly connected with connector of clamp block at the air hose, can realize carrying out fine connection with air hose and external world, prevents to appear the condition emergence of gas leakage in many expansion sacculus inflation processes.

(4) This cardiovascular intervention is with toper expansion sacculus, through set up the dashpot in the inside of screw thread connecting block, can realize reducing the air velocity of letting in gas, avoid inflating too fast, make patient feel uncomfortable to guaranteed patient's vasodilatation's security, the rethread is at the top of center tube and bottom all fixedly connected with mouth of giving vent to anger, can realize letting in the gas in the center tube in the expansion sacculus.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a cross-sectional view of the threaded connection block, threaded fixation head and dilatation balloon structure of the present invention.

Fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present invention.

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 inflatable bladder of the present invention.

In the figure, 1 screw thread connecting block, 2 screw thread fixed head, 3 air hose, 4 draw-in groove, 5 recess, 6 first chucking groove, 7 first chucking spring, 8T type dop, 9 buffer groove, 10 installation piece, 11 arc wall, 12 turning ball, 13 clamping device, 131 clamping piece, 132 installation groove, 133 second chucking groove, 134 second chucking spring, 135 clamping head, 14 center tube, 15 guide block, 16 expansion sacculus, 161 latex elastic material layer, 162 PVC elastic material layer, 163 aluminium foil elastic material layer, 17T type pressure head, 18 screw thread go-between, 19 air duct, 20 air outlet mouth, 21 connector.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without creative efforts, are within the protection scope of the invention.

Referring to fig. 1-5, the embodiment of the present invention provides a technical solution: a conical expansion saccule for cardiovascular intervention treatment comprises a threaded connection block 1, a threaded fixing head 2 and a ventilation hose 3, clamping grooves 4 are formed in the top and the bottom of one side of the threaded fixing head 2, a groove 5 matched with the threaded fixing head 2 is formed in one side of the threaded connection block 1, a first clamping groove 6 is formed in the top and the bottom of the inner wall of the groove 5, a T-shaped clamping head 8,T type clamping head 8,T is fixedly connected to the inner wall of the first clamping groove 6 through a first clamping spring 7, one side, far away from the first clamping spring 7, of a clamping head 8 sequentially penetrates through the threaded connection block 1 and the clamping groove 4 and extends to the inside of the clamping groove 4, a buffer groove 9 is formed in the inside of the threaded connection block 1, a mounting block 10 is fixedly connected to the other side of the threaded connection block 1, an arc-shaped groove 11 is formed in one side of the mounting block 10 far away from the threaded connection block 1, a rotating ball 12 is movably connected to the inside of the arc-shaped groove 11, one side of the rotating ball 12 is fixedly connected with a clamping device 13, the clamping device 13 comprises a clamping block 131, one side of the clamping block 131 is provided with a mounting groove 132, the inside of the clamping block 131 is internally and is provided with a second clamping groove 135, the top and the bottom of the clamping block 132 is located inside the mounting block 132 is sequentially penetrated by the second clamping groove 135, the second clamping groove 135 is contacted with the second clamping head 135 and extends to the inside of the ventilation hose 132 through the first clamping groove 135, the second clamping head is contacted with the inner end 133, and the inner end of the clamping head 132 is contacted with the inner end of the clamping head 132, and the inner end of the clamping head 132 is contacted with the corresponding to the inner end of the clamping groove is contacted with the corresponding to the clamping groove 132, the other side of the thread fixing head 2 is fixedly connected with a central tube 14, the outer surface of the ventilation hose 3 is sleeved with a T-shaped pressure head 17, the top and the bottom of one side of the T-shaped pressure head 17 are fixedly connected with one side of a clamping block 131 respectively through a reset spring, one end of the ventilation hose 3 penetrates through the clamping head 135, the rotating ball 12, the mounting block 10 and the thread connecting block 1 respectively and extends to the inside of the buffer groove 9, one end of the central tube 14, far away from the thread fixing head 2, is fixedly connected with a front end guide block 15, the outer surface of the thread connecting block 1 is in threaded connection with the outer surface of the thread fixing head 2 through a thread connecting ring 18, one side of the thread connecting block 1 is communicated with an air duct 19, one end of the air duct 19, far away from the thread connecting block 1, penetrates through the thread fixing head 2 and the central tube 14 in sequence and extends to the inside of the central tube 14, the expansion sacculus 16 is fixedly connected with on one side of front end guide block 15 and the screw thread fixed head 2 and is located the surface of center tube 14, expansion sacculus 16 is respectively formed by latex elastic material layer 161, PVC elastic material layer 162 and aluminium foil elastic material layer 163 through the bonding extrusion of adhesive, latex elastic material layer 161, PVC elastic material layer 162 and aluminium foil elastic material layer 163 all have fine elasticity effect, the top and the bottom of center tube 14 all fixedly connected with mouth 20 of giving vent to anger, the other end of ventilation hose 3 runs through clamping piece 131 and extends to clamping piece 131's outside, the one end fixedly connected with connector 21 that ventilation hose 3 extends to clamping piece 131 outside.

When the drainage device is used, medical staff can send the expansion sacculus 16 to a patient through a conveying system, then the ventilation hose 3 is in good sealing connection with external negative pressure equipment through the connector 21, then the medical staff can charge air into the ventilation hose 3 through the external negative pressure equipment, air can sequentially enter the expansion sacculus 16 through the buffer groove 9, the air duct 19, the central tube 14 and the air outlet nozzle 20, so that the expansion sacculus 16 starts to expand blood vessels of the patient, when the expansion sacculus 16 is required to be disassembled after the use is finished, the medical staff can firstly press the T-shaped pressure head 17 to squeeze the clamping head 135 back into the second clamping groove 133, then the ventilation hose 3 can be pulled out of the buffer groove 9, then the medical staff can rotate the threaded connection ring 18 upwards and forcefully pull out the T-shaped clamping head 8, the threaded connection block 1 and the threaded fixing head 2 are separated, and then the expansion sacculus 16 can be taken away for cleaning, disinfection or replacement, and readiness for reuse, so that the whole use process of the drainage device for cardiovascular nursing is completed.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 will be appreciated by those of ordinary skill in the art that the embodiments can be made without departing from the principles and spirit of the invention

Many variations, modifications, substitutions and alternatives are contemplated in the scope of the invention will be determined by the following claims and their equivalents.

Claims

1. Cardiovascular intervention is with toper expansion sacculus, including threaded connection piece (1), screw thread fixed head (2) and ventilation hose (3), its characterized in that: clamping grooves (4) are formed in the top and the bottom of one side of the thread fixing head (2), grooves (5) matched with the thread fixing head (2) are formed in one side of the thread connecting block (1), first clamping grooves (6) are formed in the top and the bottom of the inner wall of the grooves (5), T-shaped clamping heads (8) are fixedly connected to the inner wall of the first clamping grooves (6) through first clamping springs (7), one side, far away from the first clamping springs (7), of the T-shaped clamping heads (8) sequentially penetrates through the thread connecting block (1) and the clamping grooves (4) and extends to the inside of the clamping grooves (4), buffer grooves (9) are formed in the inside of the thread connecting block (1), installation blocks (10) are fixedly connected to the other side of the thread connecting block (1), arc grooves (11) are formed in one side, far away from the thread connecting block (1), of the arc grooves (10) are movably connected with rotating balls (12), one side, far away from the rotating balls (12), of the rotating balls (13) is fixedly connected with clamping devices, one side, far away from the thread connecting block (2), of the other side (14) is fixedly connected with one end of the thread connecting block (14), far away from the front end of the thread connecting pipe (14), the front end guide block (15) is fixedly connected with an expansion balloon (16) between one side of the front end guide block and the thread fixing head (2) and positioned on the outer surface of the central tube (14), the clamping device (13) comprises a clamping block (131), one side of the clamping block (131) is provided with a mounting groove (132), the inside of the clamping block (131) and the top and the bottom of the mounting groove (132) are provided with second clamping grooves (133), the inner wall of the second clamping groove (133) is fixedly connected with a clamping head (135) through a second clamping spring (134), one end of the clamping head (135) far away from the second clamping spring (134) penetrates through the mounting groove (132) and extends to the inside of the mounting groove (132), one side of the clamping head (135) extends to the inside of the mounting groove (132) to be in contact with a ventilation hose (3), the outer surface of the ventilation hose (3) is sleeved with a T-shaped pressure head (17), the top and the bottom of one side of the T-shaped pressure head (17) are respectively fixedly connected with one side of the clamping block (131) through reset springs, one end of the clamping head (135) far away from the second clamping spring (134) penetrates through the mounting groove (132) and extends to the inside of the thread fixing head (10), the outer surface of screw thread connecting block (1) passes through threaded connection ring (18) and the surface threaded connection of screw thread fixed head (2), and one side intercommunication of screw thread connecting block (1) has air duct (19), the one end that screw thread connecting block (1) was kept away from to air duct (19) runs through screw thread fixed head (2) and center tube (14) in proper order and extends to the inside of center tube (14), the equal fixedly connected with mouth (20) of giving vent to anger in top and the bottom of center tube (14).

2. The tapered dilation 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 of the ventilation hose (3) extending to the outside of the clamping block (131) is fixedly connected with the connector (21).

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