CN210447296U

CN210447296U - Degradable vascular stent releasing device

Info

Publication number: CN210447296U
Application number: CN201920846990.9U
Authority: CN
Inventors: 梅仲涛
Original assignee: Meihejin Bio Tech Shanghai Co ltd
Current assignee: Meihejin Bio Tech Shanghai Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-05-05
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a degradable vascular support release, including centre gripping upper cover, baffle and pivot, the below of centre gripping upper cover is provided with vascular support, and vascular support's below is provided with the centre gripping lower cover, baffle installation is on vascular support's right side, the right side of centre gripping upper cover is connected with the connecting plate, and the right side of connecting plate is provided with the pole setting, the upper right side in the pole setting is installed in the pivot. The main characteristic of the degradable vascular stent release device is that the baffle is utilized to prevent the vascular stent from being stuck inside the clamping upper cover when the release device is taken out, the release stability of the device is improved, the release distance of the vascular stent can be prolonged by utilizing the connecting plate, the application range and the capability of the device are improved, and the holding part adopts the arc design, the contact between the hands of a doctor and the body of a patient during an operation can be reduced, the operation difficulty of the operation is reduced, the mode of clamping the vascular stent from top to bottom is adopted, and the reduction of the vascular stent is facilitated.

Description

Degradable vascular stent releasing device

Technical Field

The utility model relates to the technical field of medical science, specifically be a degradable vascular stent release.

Background

The intravascular stent is characterized in that on the basis of the expansion and forming of a lumen saccule, an inner stent is placed in a lesion section to support a blood vessel of a narrow occlusion section, the elastic retraction and the reshaping of the blood vessel are reduced, the blood flow of the lumen is kept smooth, degradable materials are degradable materials in a period of time in the thermodynamic and kinetic meanings, and in order to reduce the operation pain of patients, most of the existing intravascular stents are made of degradable materials, so that the intravascular stents can be degraded in vivo.

Since the vascular stent has strong elasticity, it is difficult to compress it, and the releasable distance of the conventional stent releasing device is fixed, and there is a case that the vascular stent is stuck on the releasing device and is difficult to be detached, we propose a degradable vascular stent releasing device therefor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a degradable vascular stent release to solve and propose in the above-mentioned background art because vascular stent has stronger elasticity, lead to being difficult to compress it, and traditional stent release's releasable distance is fixed, has the vascular stent to glue the condition that is difficult to break away from on release moreover.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a degradable vascular stent release, includes centre gripping upper cover, baffle and pivot, the below of centre gripping upper cover is provided with vascular support, and vascular support's below is provided with the centre gripping lower cover, the baffle is installed on vascular support's right side, the right side of centre gripping upper cover is connected with the connecting plate, and the right side of connecting plate is provided with the pole setting, the upper right side in the pole setting is installed in the pivot.

Preferably, the surface of centre gripping upper cover is provided with the skin, and the connected mode between the surface of skin and centre gripping upper cover is adhesive connection, the material that the skin used is the silica gel material.

Preferably, the shape structures of the clamping upper cover and the clamping lower cover are circular arc structures, a semi-surrounding structure is formed between the clamping upper cover and the clamping lower cover and the vascular stent, and the left ports of the clamping upper cover and the clamping lower cover are provided with clamping ends.

Preferably, the below of baffle is provided with the slider, and the below of slider is provided with the spout, the appearance structure of baffle is circular structure, and the connected mode between baffle and the slider is fixed connection, constitute sliding construction between slider and the spout, and constitute half enclosure structure between slider and the spout, the right side fixedly connected with pull rod of baffle.

Preferably, the connection mode between the connecting plate and the side surface of the clamping upper cover is fixed connection, the connection mode between the connecting plate and the inner surface of the vertical rod is movable connection, the outer surface of the vertical rod is provided with a nut, and the connection mode between the nut and the connecting plate is meshed connection.

Preferably, the top of pivot is provided with the grab handle, and the surface of grab handle is provided with the rubber layer, the pivot passes through to constitute rotating-structure between grab handle and the pole setting, and the connected mode between rubber layer and the grab handle is adhesive bonding, the appearance structure of pole setting is the arc structure.

1. The outer layer is made of silica gel, so that the device is more compatible with blood vessels, the rejection to the blood vessels is reduced, the radian design of the clamping end can avoid larger impact on the blood vessels, the blood vessels are conveniently expanded and the use is convenient, the purpose of the arranged clamping upper cover and the clamping lower cover is to facilitate the reduction of the blood vessel stent, reduce the difficulty of the blood vessel stent extending into the blood vessels and save the time of operation;

2. the purpose of the baffle plate is to prevent the vascular stent from being stuck inside the clamping upper cover when the release device is taken out, the release stability of the device is improved, the operation quality is improved, the pull rod adopts an L-shaped structure, the operation is convenient, the purpose of the connecting plate is to prolong the release distance of the vascular stent, the application range and the capability of the device are improved, and the use is convenient;

3. the purpose of the pivot of setting is used for splicing centre gripping upper cover and centre gripping lower cover, and the pole setting adopts curved design, very big reduction the operation degree of difficulty of operation, avoids the mistake to touch patient's health, adopts skid-proof rubber layer simultaneously, has stronger practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the baffle plate of the present invention;

fig. 3 is a schematic diagram of a side view structure of the connection board of the present invention.

In the figure: 1. clamping the upper cover; 2. an outer layer; 3. a vascular stent; 4. a clamping end; 5. clamping the lower cover; 6. a baffle plate; 7. a slider; 8. a chute; 9. a connecting plate; 10. erecting a rod; 11. a nut; 12. a pull rod; 13. a rotating shaft; 14. a handle; 15. a rubber layer.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a degradable vascular stent release device comprises a clamping upper cover 1, a baffle 6 and a rotating shaft 13, a vascular stent 3 is arranged below the clamping upper cover 1, a clamping lower cover 5 is arranged below the blood vessel support 3, a baffle 6 is arranged at the right side of the blood vessel support 3, the right side of the clamping upper cover 1 is connected with a connecting plate 9, and the right side of the connecting plate 9 is provided with an upright stanchion 10, the rotating shaft 13 is arranged at the right upper part of the upright stanchion 10, the outer layer 2 is arranged on the outer surface of the clamping upper cover 1, the outer layer 2 is connected with the outer surface of the clamping upper cover 1 in an adhesive way, the outer layer 2 is made of silica gel, the function is that the outer layer 2 is made of silica gel material, so that the device is more compatible with blood vessels, the rejection to the blood vessels is reduced, the radian design adopted by the clamping end 4 can avoid large impact on the blood vessel, so that the blood vessel is conveniently expanded and used;

the appearance structures of the upper clamping cover 1 and the lower clamping cover 5 are arc structures, a semi-surrounding structure is formed between the upper clamping cover 1 and the lower clamping cover 5 and the vascular stent 3, the left ports of the upper clamping cover 1 and the lower clamping cover 5 are provided with clamping ends 4, the upper clamping cover 1 and the lower clamping cover 5 are used for reducing the vascular stent 3, the difficulty of the vascular stent 3 extending into a blood vessel is reduced, time and operation time is saved, a sliding block 7 is arranged below the baffle 6, a sliding groove 8 is arranged below the sliding block 7, the appearance structure of the baffle 6 is a circular structure, the baffle 6 and the sliding block 7 are fixedly connected, a sliding structure is formed between the sliding block 7 and the sliding groove 8, the semi-surrounding structure is formed between the sliding block 7 and the sliding groove 8, a pull rod 12 is fixedly connected to the right side of the baffle 6, and the baffle 6 is used for preventing the vascular stent 3 from being stuck in the upper clamping cover 1 when the release device is taken out The device has the advantages that the release stability of the device is improved, the operation quality is guaranteed, and the pull rod 12 is of an L-shaped structure and is convenient to operate;

the connection mode between the connecting plate 9 and the side surface of the clamping upper cover 1 is fixed connection, the connection mode between the connecting plate 9 and the inner surface of the vertical rod 10 is movable connection, the outer surface of the vertical rod 10 is provided with a nut 11, the connection mode between the nut 11 and the connecting plate 9 is meshing connection, the connection mode has the function of arranging the connecting plate 9 and is used for prolonging the release distance of the intravascular stent 3, the application range and the capability of the device are improved, the device is convenient to use, a grab handle 14 is arranged above a rotating shaft 13, a rubber layer 15 is arranged on the outer surface of the grab handle 14, the rotating shaft 13 forms a rotating structure through the grab handle 14 and the vertical rod 10, the connection mode between the rubber layer 15 and the grab handle 14 is adhesive connection, the appearance structure of the vertical rod 10 is arc-shaped structure, and the function of arranging the rotating shaft 13 and is used for splicing the clamping upper, and the pole setting 10 adopts the curved design, very big reduction the operation degree of difficulty of operation, avoids the mistake to touch patient's health, adopts skid-proof rubber layer 15 simultaneously, has stronger practicality.

The working principle is as follows: for this type of support release, the device is mainly composed of a clamping upper cover 1, a baffle 6 and a rotating shaft 13, when the device is used, the rubber layer 15 at the grab handle 14 is firstly held, the condition of operation accident caused by sliding during holding is avoided, the handles 14 of the two groups are then pulled outwards, so that the uprights 10 are separated outwards by the rotation between the spindle 13 and the handles 14, thus, the clamping upper cover 1 and the clamping lower cover 5 at the leftmost side are separated up and down, the common blood vessel support 3 has certain elasticity, the blood vessel support 3 is placed between the clamping upper cover 1 and the clamping lower cover 5, then, the inner sides of the two groups of handles 14 can be gradually pressed, so that the clamping upper cover 1 and the clamping lower cover 5 approach to the inner sides, meanwhile, the side surfaces of the clamping upper cover 1 and the clamping lower cover 5 are attached by using external surgical tools, so that the intravascular stent 3 can be prevented from being separated towards two sides when being compressed.

After two sets of grab handles 14 are close to suitable distance, can break away from external operation instrument, be not totally closed between centre gripping upper cover 1 and the centre gripping lower cover 5, certain gap has between the two, can avoid causing the damage to vascular support 3, just so place vascular support 3 between centre gripping upper cover 1 and centre gripping lower cover 5, then can stretch into the blood vessel with the port of centre gripping upper cover 1 and centre gripping lower cover 5, outer 2 adopts the silica gel material, can reduce after getting into the blood vessel and the repulsion between the blood vessel, and tip 4 adopts the inside side bend pattern, wrap up vascular support 3 in the inside of centre gripping upper cover 1 and centre gripping lower cover 5.

When the blood vessel support 3 reaches the designated position, the pull rod 12 can be held by the other hand, and then the device is stretched to the outside of the blood vessel by the hand holding the grip handle 14, the baffle 6 fixedly connected with the left port of the pull rod 12 utilizes the sliding between the slide block 7 and the slide groove 8 to resist the blood vessel support 3 in situ, the condition that the blood vessel support 3 is bonded with the clamping upper cover 1 and the clamping lower cover 5 by blood to cause non-separation can be avoided, and simultaneously, in order to improve the application range of the device, after the blood vessel support 3 extends into the blood vessel, the nut 11 can be screwed, because the lower port of the nut 11 is engaged and connected with the connecting plate 9 inside the upright 10, the connecting plate 9 is moved leftwards inside the upright 10, and the blood vessel is moved continuously by propping against the clamping upper cover 1 fixedly connected with the left port, which is the using process and the working principle of the device.

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

Claims

1. The utility model provides a degradable vascular stent release, includes centre gripping upper cover (1), baffle (6) and pivot (13), its characterized in that: the utility model discloses a blood vessel support of blood vessel support, including centre gripping upper cover (1), the below of centre gripping upper cover (1) is provided with vascular support (3), and the below of vascular support (3) is provided with centre gripping lower cover (5), baffle (6) are installed in the right side of vascular support (3), the right side of centre gripping upper cover (1) is connected with connecting plate (9), and the right side of connecting plate (9) is provided with pole setting (10), pivot (13) are installed in the upper right side of pole setting (10).

2. The device for releasing the degradable blood vessel stent according to claim 1, wherein: the surface of centre gripping upper cover (1) is provided with skin (2), and the connected mode between the surface of skin (2) and centre gripping upper cover (1) is adhesive connection, the material that skin (2) used is the silica gel material.

3. The device for releasing the degradable blood vessel stent according to claim 1, wherein: the clamping device is characterized in that the appearance structures of the clamping upper cover (1) and the clamping lower cover (5) are arc-shaped structures, a semi-surrounding structure is formed between the clamping upper cover (1) and the clamping lower cover (5) and the vascular stent (3), and clamping ends (4) are arranged at left ports of the clamping upper cover (1) and the clamping lower cover (5).

4. The device for releasing the degradable blood vessel stent according to claim 1, wherein: the utility model discloses a novel baffle, including baffle (6), the below of baffle (6) is provided with slider (7), and the below of slider (7) is provided with spout (8), the appearance structure of baffle (6) is circular structure, and the connected mode between baffle (6) and slider (7) is fixed connection, constitute sliding construction between slider (7) and spout (8), and constitute between slider (7) and spout (8) and partly surround the structure, the right side fixedly connected with pull rod (12) of baffle (6).

5. The device for releasing the degradable blood vessel stent according to claim 1, wherein: the connecting mode between the connecting plate (9) and the side surface of the clamping upper cover (1) is fixedly connected, the connecting mode between the connecting plate (9) and the inner surface of the vertical rod (10) is movably connected, the nut (11) is arranged on the outer surface of the vertical rod (10), and the connecting mode between the nut (11) and the connecting plate (9) is meshed and connected.

6. The device for releasing the degradable blood vessel stent according to claim 1, wherein: the top of pivot (13) is provided with grab handle (14), and the surface of grab handle (14) is provided with rubber layer (15), pivot (13) pass through and constitute revolution mechanic between grab handle (14) and pole setting (10), and the connected mode between rubber layer (15) and grab handle (14) is adhesive connection, the appearance structure of pole setting (10) is the arc structure.