CN221181343U

CN221181343U - Foldable neurovascular balloon

Info

Publication number: CN221181343U
Application number: CN202321882862.2U
Authority: CN
Inventors: 田之林
Original assignee: Nanjing Maichuang Medical Technology Co ltd
Current assignee: Nanjing Maichuang Medical Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-06-21
Anticipated expiration: 2033-07-18

Abstract

The utility model relates to a foldable neurovascular balloon, in particular to a foldable neurovascular balloon, which comprises a stretching and folding mechanism, wherein one end of the stretching and folding mechanism is fixedly connected with a balloon mechanism, one end of the stretching and folding mechanism is fixed in the balloon mechanism, one end of the stretching and folding mechanism pulls the balloon mechanism inwards, the outer part of one end of the stretching and folding mechanism is fixedly connected with an inflation mechanism, the inflation mechanism is fixedly connected with the balloon mechanism, the balloon mechanism is communicated with the inflation mechanism, two ends of the inflation mechanism are respectively fixedly connected with the stretching and folding mechanism and the inflation mechanism, and the protection of an insertion tube can be realized when the memory metal wire is bent through the arranged memory metal wire and a fixing ring, so that the insertion tube can be prevented from being bent and blocked into an air inlet and outlet pipeline after the insertion tube is inserted into a blood vessel, and the use is more convenient.

Description

Foldable neurovascular balloon

Technical Field

The utility model relates to a medical instrument, in particular to a foldable neurovascular balloon.

Background

Balloon is a medical device which expands a stenosed part of a blood vessel by inflation of the balloon to locally open the stenosed part, balloon angioplasty generally uses a balloon-shaped balloon attached to a catheter inserted into an artery, and the balloon is inflated by the catheter where plaque deposits close or narrow a blood flow channel, and the plaque is attached to a wall of the blood vessel by inflation of the catheter a plurality of times to pass blood, but after the catheter is inserted into the blood vessel, once the catheter is folded in an inflated state, a folded section of a pipeline is easily caused to be in a relatively closed state, so that gas is difficult to enter the interior of the balloon, and certain defects exist.

There is therefore a need for a collapsible neurovascular balloon that ameliorates the above-described problems.

Disclosure of utility model

The present utility model is directed to a foldable neurovascular balloon, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a collapsible neurovascular sacculus, includes tensile folding mechanism, tensile folding mechanism's one end fixedly connected with sacculus mechanism, tensile folding mechanism's one end is fixed in the inside of sacculus mechanism, tensile folding mechanism's one end inwards pulls sacculus mechanism, tensile folding mechanism's one end's outside fixedly connected with inflation mechanism, inflation mechanism and sacculus mechanism fixed connection, sacculus mechanism and inflation mechanism intercommunication, inflation mechanism's both ends respectively with tensile folding mechanism and inflation mechanism fixed connection.

As a preferable scheme of the utility model, the stretching and folding mechanism comprises a limiting block, four first sliding holes are formed in the edge of the inner part of the limiting block at equal intervals, memory metal wires are arranged in the four first sliding holes in a penetrating mode, the memory metal wires slide in the limiting block, one end of each memory metal wire is fixedly connected with a bending section, one end of each bending section is fixedly connected with a second fixing block, the second fixing blocks are fixedly connected with the arc-shaped memory metal wires, and the outer part of each arc-shaped memory metal wire is fixedly connected with a balloon mechanism.

As a preferable scheme of the utility model, the other end of the memory metal wire is fixedly connected with a grab handle, an inflation mechanism is arranged among the four memory metal wires, the inflation mechanism is positioned at the central position inside the stretching and folding mechanism and the balloon mechanism, one side of the balloon mechanism is fixedly connected with a sleeve, and the sleeve is sleeved outside the stretching and folding mechanism and the inflation mechanism.

As a preferable scheme of the utility model, the balloon mechanism comprises a balloon, the balloon is sleeved outside one end of the inflation mechanism and one end of the stretching and folding mechanism, one end of the balloon is fixedly connected with the inflation mechanism, the tail end of the insertion end of the balloon is fixedly connected with a spherical insertion end, one end of the balloon is fixedly connected with a second bowl-shaped cylinder, the other end of the balloon is fixedly connected with a first bowl-shaped cylinder, four arc-shaped memory metal wires are distributed on the outer walls of the first bowl-shaped cylinder and the second bowl-shaped cylinder at equal intervals, and two ends of each arc-shaped memory metal wire are fixedly connected with the outer walls of the first bowl-shaped cylinder and the second bowl-shaped cylinder respectively.

As a preferable scheme of the utility model, a first fixing block is fixedly connected to the narrow opening position of the first bowl-shaped cylinder, a spherical insertion end is fixedly connected to the narrow opening position of the second bowl-shaped cylinder, the spherical insertion end seals the narrow opening end of the first bowl-shaped cylinder, the first fixing block is distributed on the narrow opening end of the first bowl-shaped cylinder, and the wide opening positions of the first bowl-shaped cylinder and the second bowl-shaped cylinder are oppositely arranged.

As a preferable scheme of the utility model, the first fixed block is fixedly connected with one end of the saccule, the four corners in the first fixed block are respectively provided with a third sliding hole, the inside of the third sliding hole is penetrated and provided with a memory metal wire, the memory metal wire is positioned in the third sliding hole to slide, and the inner wall of the third sliding hole is provided with a rubber ring which can be attached to the outer surface of the memory metal wire.

As the preferable scheme of the utility model, the grab handle comprises an insertion pipe, one end of the insertion pipe is fixedly connected with a limiting block, the other end of the insertion pipe is fixedly connected with a metal pipe, two ends of the metal pipe are respectively fixedly connected with two ends of the inside of the balloon mechanism, the insertion pipe is communicated with the metal pipe, an exhaust through hole is formed in the middle position of the inside of the metal pipe, the exhaust through hole is communicated with the metal pipe and the balloon mechanism, the exhaust through hole is positioned in the center position of the inside of the balloon mechanism, one end of a second fixing block is fixedly connected with the center position of the inside of an arc-shaped memory metal wire, a third fixing block is fixedly connected to the outside of the metal pipe, four second sliding holes are distributed in the inside of the third fixing block at equal intervals, the inside of the second sliding holes is suitable for penetrating through the memory metal wire, and the memory metal wire and the bending section are both positioned in the inside of the second sliding holes to slide.

As a preferable scheme of the utility model, the outside of the memory metal wire is equidistantly fixed with a fixed ring, the memory metal wire equidistantly penetrates through the edge of the inside of the fixed ring, a sleeve is sleeved on the outside of the fixed ring, and the other end of the sleeve is fixedly connected with a limiting block.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the memory metal wire and the fixing ring are arranged to realize the protection of the insertion tube when the memory metal wire is bent, so that the insertion tube is prevented from bending and blocking the air inlet and outlet pipeline after being inserted into a blood vessel, and the use is more convenient.

2. According to the utility model, the handle is arranged, so that the convex ends of the arc memory metal wires can be pulled when the handle and the bending section at one end of the handle are pulled, the balloon is pulled inwards to reduce the expansion volume of the balloon, and flexible adjustment of the balloon is realized.

2. In the utility model, the inflation of the balloon inside by the intubation tube and the exhaust through hole can be realized through the exhaust through hole, and the inflation of the balloon volume is assisted by the inflation of the inflation balloon mutually with the arc memory metal wire and the telescopic mechanism of the bending section

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the front view of the present utility model;

Fig. 4 is an enlarged schematic view of the structure a of the present utility model.

In the figure: 1. a stretching and folding mechanism; 2. a balloon mechanism; 3. an inflation mechanism; 4. a grab handle; 5. a limiting block; 6. a first slide hole; 7. a memory wire; 8. a fixing ring; 9. a curved section; 10. a first fixed block; 11. a balloon; 12. a first bowl-shaped cylinder; 13. a second bowl-shaped cylinder; 14. a spherical insertion end; 15. a second fixed block; 16. an arc-shaped memory wire; 17. a cannula; 18. an exhaust through hole; 19. a third fixed block; 20. a second slide hole; 21. a sleeve; 22. a metal tube; 23. and a third slide hole.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides a technical solution:

Referring to fig. 1, 2, 3 and 4, a foldable neurovascular balloon includes a stretching and folding mechanism 1, one end of the stretching and folding mechanism 1 is fixedly connected with a balloon mechanism 2, one end of the stretching and folding mechanism 1 is fixed in the balloon mechanism 2, one end of the stretching and folding mechanism 1 pulls the balloon mechanism 2 inwards, an inflation mechanism 3 is fixedly connected to the outside of one end of the stretching and folding mechanism 1, the inflation mechanism 3 is fixedly connected with the balloon mechanism 2, the balloon mechanism 2 is communicated with the inflation mechanism 3, and two ends of the inflation mechanism 3 are respectively fixedly connected with the stretching and folding mechanism 1 and the inflation mechanism 3.

Referring to fig. 1, 3 and 4, the stretching and folding mechanism 1 includes a limiting block 5, four first sliding holes 6 are provided at equal intervals on the inner edge of the limiting block 5, memory wires 7 are provided inside the four first sliding holes 6 in a penetrating manner, the memory wires 7 slide inside the limiting block 5, one end of each memory wire 7 is fixedly connected with a bending section 9, one end of each bending section 9 is fixedly connected with a second fixing block 15, the second fixing blocks 15 are fixedly connected with an arc-shaped memory wire 16, and the outer portion of each arc-shaped memory wire 16 is fixedly connected with a balloon mechanism 2.

In the embodiment, referring to fig. 1, 3 and 4, the other end of the memory wire 7 is fixedly connected with a handle 4, an inflation mechanism 3 is disposed between the four memory wires 7, the inflation mechanism 3 is located at the central position inside the stretching and folding mechanism 1 and the balloon mechanism 2, a sleeve 21 is fixedly connected to one side of the balloon mechanism 2, and the sleeve 21 is sleeved outside the stretching and folding mechanism 1 and the inflation mechanism 3.

Referring to fig. 1, 3 and 4, the balloon mechanism 2 includes a balloon 11, the balloon 11 is sleeved outside one end of the inflation mechanism 3 and one end of the stretching and folding mechanism 1, one end of the balloon 11 is fixedly connected with the inflation mechanism 3, the end of the insertion end of the balloon 11 is fixedly connected with a spherical insertion end 14, one end of the interior of the balloon 11 is fixedly connected with a second bowl-shaped barrel 13, the other end of the interior of the balloon 11 is fixedly connected with a first bowl-shaped barrel 12, four arc-shaped memory metal wires 16 are distributed on the outer walls of the first bowl-shaped barrel 12 and the second bowl-shaped barrel 13 at equal intervals, and two ends of the arc-shaped memory metal wires 16 are respectively fixedly connected with the outer walls of the first bowl-shaped barrel 12 and the second bowl-shaped barrel 13.

Referring to fig. 1, 3 and 4, a first fixing block 10 is fixedly connected to a narrow opening of a first bowl-shaped barrel 12, a spherical insertion end 14 is fixedly connected to a narrow opening of a second bowl-shaped barrel 13, the spherical insertion end 14 closes the narrow opening of the first bowl-shaped barrel 12, the first fixing block 10 is distributed at the narrow opening of the first bowl-shaped barrel 12, and the wide opening of the first bowl-shaped barrel 12 and the wide opening of the second bowl-shaped barrel 13 are oppositely arranged.

Referring to fig. 1, 3 and 4, the first fixing block 10 is fixedly connected with one end of the balloon 11, the four corners of the inside of the first fixing block 10 are respectively provided with a third sliding hole 23, the inside of the third sliding hole 23 is penetrated and provided with a memory metal wire 7, the memory metal wire 7 is positioned in the third sliding hole 23 to slide, and the inner wall of the third sliding hole 23 is provided with a rubber ring which can be attached to the outer surface of the memory metal wire 7.

Referring to fig. 1, 3 and 4, the handle 4 includes a cannula 17, one end of the cannula 17 is fixedly connected with the limiting block 5, the other end of the cannula 17 is fixedly connected with a metal tube 22, two ends of the metal tube 22 are respectively fixedly connected with two ends of the interior of the balloon mechanism 2, the cannula 17 is communicated with the metal tube 22, an exhaust through hole 18 is formed in the middle position of the interior of the metal tube 22, the exhaust through hole 18 is communicated with the metal tube 22 and the balloon mechanism 2, the exhaust through hole 18 is located in the center position of the interior of the balloon mechanism 2, one end of the second fixing block 15 is fixedly connected with the center position of the interior of the arc-shaped memory wire 16, a third fixing block 19 is fixedly connected with the exterior of the metal tube 22, four second sliding holes 20 are distributed in the interior of the third fixing block 19 at equal intervals, the interior of the second sliding holes 20 is adapted to penetrate through the memory wire 7, and the memory wire 7 and the bent section 9 are located in the interior of the second sliding holes 20.

In the embodiment, referring to fig. 1, 2 and 3, a fixing ring 8 is fixed on the outer portion of the memory wire 7 at equal intervals, the memory wire 7 penetrates through the inner edge of the fixing ring 8 at equal intervals, a sleeve 21 is sleeved on the outer portion of the fixing ring 8, and the other end of the sleeve 21 is fixedly connected with the limiting block 5.

Working principle: during the use, sacculus 11 and sleeve pipe 21 adaptation are inserted and are gone into in the blood vessel of pathological change, memory wire 7 and solid fixed ring 8 can realize carrying out the protection to cartridge 17 when memory wire 7 is buckled, can avoid cartridge 17 to take place to buckle after inserting the blood vessel to block up the air inlet and outlet pipeline, it is more convenient to use, handle 4 pulling the protruding end of arc memory wire 16 when the crooked section 9 of grab handle 4 one end, inwards pulling the inflation volume of shrink sacculus with sacculus 11, realize the nimble regulation to the sacculus, aerify the inside of sacculus 11 by intubate 17 and exhaust through-hole 18, with the mutual supplementary volume of inflation sacculus 11 of the telescopic machanism of arc memory wire 16 and crooked section 9.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A foldable neurovascular balloon, comprising a stretching and folding mechanism (1), characterized in that: the inflatable bag is characterized in that one end of the stretching and folding mechanism (1) is fixedly connected with the balloon mechanism (2), one end of the stretching and folding mechanism (1) is fixed in the balloon mechanism (2), one end of the stretching and folding mechanism (1) is inwards pulled by the balloon mechanism (2), the outer part of one end of the stretching and folding mechanism (1) is fixedly connected with the inflation mechanism (3), the inflation mechanism (3) is fixedly connected with the balloon mechanism (2), the balloon mechanism (2) is communicated with the inflation mechanism (3), and two ends of the inflation mechanism (3) are respectively fixedly connected with the stretching and folding mechanism (1) and the inflation mechanism (3).

2. A collapsible neurovascular balloon as in claim 1, wherein: the stretching and folding mechanism (1) comprises a limiting block (5), four first sliding holes (6) are formed in the edge of the inner portion of the limiting block (5) at equal intervals, memory metal wires (7) are arranged in the inner portion of the first sliding holes (6) in a penetrating mode, the memory metal wires (7) slide in the inner portion of the limiting block (5), one end of each memory metal wire (7) is fixedly connected with a bending section (9), one end of each bending section (9) is fixedly connected with a second fixing block (15), the second fixing blocks (15) are fixedly connected with arc-shaped memory metal wires (16), and the outer portion of each arc-shaped memory metal wire (16) is fixedly connected with a balloon mechanism (2).

3. A collapsible neurovascular balloon as in claim 2, wherein: the novel inflatable folding device is characterized in that the other end of the memory metal wire (7) is fixedly connected with a grab handle (4), an inflation mechanism (3) is arranged between the four memory metal wires (7), the inflation mechanism (3) is located at the central position inside the stretching folding mechanism (1) and the balloon mechanism (2), one side of the balloon mechanism (2) is fixedly connected with a sleeve (21), and the sleeve (21) is sleeved outside the stretching folding mechanism (1) and the inflation mechanism (3).

4. A collapsible neurovascular balloon as in claim 2, wherein: the balloon mechanism (2) comprises a balloon (11), the balloon (11) is sleeved outside one end of the inflation mechanism (3) and one end of the stretching and folding mechanism (1), one end of the balloon (11) is fixedly connected with the inflation mechanism (3), the tail end of the insertion end of the balloon (11) is fixedly connected with a spherical insertion end (14), one end of the interior of the balloon (11) is fixedly connected with a second bowl-shaped cylinder (13), the other end of the interior of the balloon (11) is fixedly connected with a first bowl-shaped cylinder (12), four arc-shaped memory metal wires (16) are distributed on the outer walls of the first bowl-shaped cylinder (12) and the second bowl-shaped cylinder (13) at equal intervals, and two ends of each arc-shaped memory metal wire (16) are respectively fixedly connected with the outer walls of the first bowl-shaped cylinder (12) and the second bowl-shaped cylinder (13).

5. A collapsible neurovascular balloon as in claim 4, wherein: the novel bowl is characterized in that a first fixing block (10) is fixedly connected to the narrow opening of the first bowl barrel (12), a spherical insertion end (14) is fixedly connected to the narrow opening of the second bowl barrel (13), the spherical insertion end (14) closes the narrow opening end of the first bowl barrel (12), the first fixing block (10) is distributed at the narrow opening end of the first bowl barrel (12), and the wide opening positions of the first bowl barrel (12) and the second bowl barrel (13) are oppositely arranged.

6. A collapsible neurovascular balloon as in claim 5, wherein: the device is characterized in that the first fixing block (10) is fixedly connected with one end of the balloon (11), third sliding holes (23) are formed in four corners of the inner portion of the first fixing block (10), memory metal wires (7) penetrate through the inner portion of the third sliding holes (23), the memory metal wires (7) slide in the third sliding holes (23), and rubber rings capable of being attached to the outer surfaces of the memory metal wires (7) are arranged on the inner walls of the third sliding holes (23).

7. A collapsible neurovascular balloon according to claim 3, wherein: grab handle (4) include intubate (17), the one end and stopper (5) fixed connection of intubate (17), the other end fixedly connected with tubular metal resonator (22) of intubate (17), the both ends of tubular metal resonator (22) respectively with the inside both ends fixed connection of sacculus mechanism (2), intubate (17) and tubular metal resonator (22) intercommunication, exhaust through-hole (18) have been seted up to the inside intermediate position of tubular metal resonator (22), exhaust through-hole (18) intercommunication tubular metal resonator (22) and sacculus mechanism (2), exhaust through-hole (18) are located the inside central point of sacculus mechanism (2), the inside central point fixed connection of one end and arc memory wire (16) of second fixed block (15), the outside fixedly connected with third fixed block (19) of tubular metal resonator (22), the inside equidistance of third fixed block (19) distributes and has four second slide holes (20), the inside adaptation of second slide hole (20) runs through memory wire (7), memory wire (7) and second slide hole (9) are located inside the equal slide hole of second section (20).

8. A collapsible neurovascular balloon as in claim 7, wherein: the memory metal wires (7) are fixed with fixing rings (8) at equal intervals, the memory metal wires (7) penetrate through the edges of the inner portions of the fixing rings (8) at equal intervals, a sleeve (21) is sleeved on the outer portion of the fixing rings (8), and the other end of the sleeve (21) is fixedly connected with a limiting block (5).