CN113081422A

CN113081422A - Preprocessing device that vascular stent implanted

Info

Publication number: CN113081422A
Application number: CN202110345987.0A
Authority: CN
Inventors: 张文斌
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-07-09

Abstract

The invention discloses a pretreatment device for implantation of a vascular stent, which comprises a pressure applying pipe body, wherein one side of the pressure applying pipe body is rotatably connected with a connecting pipe body, one side of the connecting pipe body is fixedly connected with a dredging pipe, one side of the pressure applying pipe body is fixedly connected with a connecting block, the inner wall of the connecting block is slidably connected with a sliding rod, part of the sliding rod is slidably connected with the pressure applying pipe body and the inner cavity of the connecting pipe body, one side of the sliding rod is fixedly connected with a sliding block, one side of the sliding block is contacted with a first spring, and the other end of the first spring is fixedly connected; personnel are through promoting the slide bar in to the pressure tube during use, make slide block and first spring conflict completely and to the vascular department of patient's exerting pressure, thereby make the pipe inflation expansion blood vessel, when personnel loosen the slide bar, the elasticity of first spring can make the slide bar reset to the opposite direction to the drive is dredged the pipe other end and is breathed in to patient affected part blood vessel, has avoided twice dynamics to differ the problem and influence the condition of effect, and it is more convenient to use.

Description

Preprocessing device that vascular stent implanted

Technical Field

The invention relates to the field of vascular stents, in particular to a pretreatment device for implantation of a vascular stent.

Background

The intravascular stent is characterized in that on the basis of the expansion forming of a saccule in a lumen, a stent is arranged in a lesion section to support a blood vessel at a stenotic occlusion section, reduce the elastic retraction and reshaping of the blood vessel and keep the blood flow of the lumen smooth, the intravascular stent can be divided into a pure support type stent and a treatment type stent according to functions, the treatment type stent comprises a stent or a radioactive stent which is coated with a medicament on the outer surface of the stent or carries a treatment substance by utilizing a film coated outside the stent, and the intravascular stent can be divided into a self-expanding type and a saccule expanding type according to the mode of expanding in the blood vessel; the former is a Z-shaped stent or a mesh stent, which can be self-expanded in a blood vessel, and the latter is inelastic and attached to the blood vessel by means of expansion of the balloon to a certain diameter.

At present most blood vessel stent implants are through external pressurization's mode expansion blood vessel, then the suction sacculus withdraws from the body, implants the support again, and this mode needs personnel to pressurize and two kinds of operations of suction when the operation, if the difference of twice dynamics control is great, then probably influence treatment, it is also comparatively inconvenient to use.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the pretreatment device for the implantation of the vascular stent, which is provided with the sliding rod and the first spring, does not need personnel to operate pressurization and suction twice, avoids the condition that the effect is influenced by the problem of difference of two forces, and is more convenient and faster to use.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a preprocessing device that vascular support was implanted, is including the body of exerting pressure, one side of the body of exerting pressure is rotated and is connected with the connecting tube body, one side fixedly connected with of connecting tube body dredges the pipe, just one side fixedly connected with connecting block of the body of exerting pressure, the inner wall sliding connection of connecting block has the slide bar, the partial sliding connection of slide bar in exert pressure the body the inner chamber of connecting tube body, one side fixedly connected with sliding block of slide bar, one side contact of sliding block has first spring, the other end fixedly connected with position fixing ring of first spring.

As a preferred technical scheme of the invention, the bottom end of the connecting block is fixedly connected with a fixed block, the bottom end of the fixed block is provided with a groove, an inner cavity of the groove is fixedly connected with a fixed strip, one side of the fixed strip is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a sliding strip, and the bottom end of the sliding strip is fixedly connected with a retaining block.

As a preferable technical solution of the present invention, there are two fixing strips, and the two fixing strips are symmetrical with respect to the inner cavity of the groove.

As a preferred technical solution of the present invention, the pressure applying pipe body and the connecting pipe body are in a sealed state after being rotatably connected.

In a preferred embodiment of the present invention, the diameter of the retaining ring is equal to the diameter of the sliding block.

As a preferable technical solution of the present invention, a handle is provided at one side of the sliding rod.

As a preferable technical solution of the present invention, the first spring is made of stainless steel.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. through setting up slide bar and first spring, personnel make the body of exerting pressure and connect the body to constitute complete pressure application pipe through rotating at first during the use, then will dredge on the other end butt joint needs carry out the device of the blood vessel department of support to the patient, again through promoting the slide bar in to the pressure application pipe, make slide block and first spring conflict completely and exert pressure to patient's blood vessel department, thereby make the pipe inflation expand blood vessel, when personnel loosen the slide bar, the elasticity of first spring can make the slide bar reset to the opposite direction, thereby it breathes in to drive to dredge the pipe other end to patient affected part blood vessel, with sacculus suction, so that follow-up personnel implant the operation of support, do not need personnel to divide pressurization and suction again to operate twice, the condition that the effect is influenced to the problem of also having avoided twice dynamics phase difference, it is more convenient to use.

2. Through setting up fixed block and maintenance piece, through outside promoting two maintenance pieces respectively during the use, make the distance space between two maintenance pieces increase, then make the fixing device that the cooperation was used put between two maintenance pieces, loosen the maintenance piece again, the second spring resets, makes two maintenance pieces tight card and live to the holistic equilibrium of pressing tube and stability have been increased.

Drawings

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

FIG. 2 is a schematic diagram of the inner chamber structure of the present invention;

FIG. 3 is a schematic view of the retaining ring and slider of the present invention;

fig. 4 is a schematic structural view of the fixing block and the retention block of the present invention.

Wherein: 1. a pressure applying pipe body; 2. connecting the pipe body; 3. a dredging pipe; 4. connecting blocks; 5. a slide bar; 6. a slider; 7. a first spring; 8. a retention ring; 9. a fixed block; 10. a groove; 11. a fixing strip; 12. a second spring; 13. a slide bar; 14. and (4) a retention block.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the invention provides a pretreatment device for vascular stent implantation, which comprises a pressure applying pipe body 1, wherein one side of the pressure applying pipe body 1 is rotatably connected with a connecting pipe body 2, one side of the connecting pipe body 2 is fixedly connected with a dredging pipe 3, one side of the pressure applying pipe body 1 is fixedly connected with a connecting block 4, the inner wall of the connecting block 4 is slidably connected with a sliding rod 5, part of the sliding rod 5 is slidably connected with the pressure applying pipe body 1 and the inner cavity of the connecting pipe body 2, one side of the sliding rod 5 is fixedly connected with a sliding block 6, one side of the sliding block 6 is contacted with a first spring 7, and the other end of the first spring 7 is fixedly connected;

by arranging the sliding rod 5 and the first spring 7, when in use, a person firstly rotates the pressure applying pipe body 1 and the connecting pipe body 2 to form a complete pressure applying pipe, then the other end of the dredging pipe 3 is connected to a device at the blood vessel position needing to be stented, the sliding rod 5 is pushed into the pressure applying pipe, the sliding block 6 and the first spring 7 are completely abutted, the blood vessel position of the patient is pressed, the pipe is expanded, and the blood vessel is dilated, when the person releases the slide lever 5, the slide lever 5 is returned in the reverse direction by the elastic force of the first spring 7, thereby drive and dredge 3 other ends of pipe and inhale to patient affected part blood vessel, with the sacculus suction to follow-up personnel carry out the operation of implanting the support, do not need personnel to divide pressurization and suction twice again and operate, have also avoided twice dynamics to differ the problem and influence the condition of effect, it is more convenient to use.

In other embodiments, the bottom end of the connecting block 4 is fixedly connected with a fixing block 9, the bottom end of the fixing block 9 is provided with a groove 10, an inner cavity of the groove 10 is fixedly connected with a fixing strip 11, one side of the fixing strip 11 is fixedly connected with a second spring 12, the other end of the second spring 12 is fixedly connected with a sliding strip 13, and the bottom end of the sliding strip 13 is fixedly connected with a retaining block 14;

through setting up fixed block 9 and retaining block 14, during the use through outside respectively promoting two retaining blocks 14, make the distance space between two retaining blocks 14 increase, then make the fixing device who uses in coordination put between two retaining blocks 14, loosen retaining block 14 again, second spring 12 resets, makes two retaining blocks 14 tightly block and live to the holistic equilibrium of pressure tube and stability have been increased.

In other embodiments, there are two fixing strips 11, and the two fixing strips 11 are symmetrical about the inner cavity of the groove 10;

two fixing strips 11 are arranged, so that two second springs 12 can be arranged inside the groove 10, and the retaining block 14 has a clamping and fixing function.

In other embodiments, the pressure applying pipe body 1 and the connecting pipe body 2 are in a sealing state after being rotatably connected;

the connection of the pressure applying pipe body 1 and the connecting pipe body 2 is in a sealing state, so that the pressure applying and reducing operation of the device in use is guaranteed, and the use is more convenient.

In other embodiments, the diameter of retention ring 8 is equal to the diameter of sliding block 6;

the diameter size through setting up retaining ring 8 equals the diameter size of sliding block 6, makes the connection between retaining ring 8, sliding block 6 and the spring more stable.

In other embodiments, a handle is provided on one side of the sliding rod 5;

through setting up the handle, personnel can operate through gripping handle when using slide bar 5, and it is more convenient to use.

In other embodiments, the first spring 7 is made of stainless steel material;

through setting up first spring 7 and making for stainless steel material, thereby avoided the interior first spring 7 of jar to use the back surface rust for a long time and influence the condition emergence safe in utilization.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A preprocessing device that vascular stent was implanted, includes body (1) of exerting pressure, its characterized in that: one side of body (1) of exerting pressure is rotated and is connected with connecting pipe body (2), one side fixedly connected with of connecting pipe body (2) dredges pipe (3), just one side fixedly connected with connecting block (4) of body (1) of exerting pressure, the inner wall sliding connection of connecting block (4) has slide bar (5), the partial sliding connection of slide bar (5) in exert pressure body (1) the inner chamber of connecting pipe body (2), one side fixedly connected with sliding block (6) of slide bar (5), one side contact of sliding block (6) has first spring (7), the other end fixedly connected with solid position circle (8) of first spring (7).

2. The pretreatment device for stenting a blood vessel according to claim 1, wherein: the bottom fixedly connected with fixed block (9) of connecting block (4), the bottom of fixed block (9) is equipped with recess (10), the inner chamber fixedly connected with fixed strip (11) of recess (10), one side fixedly connected with second spring (12) of fixed strip (11), the other end fixedly connected with sliding strip (13) of second spring (12), the bottom fixedly connected with position fixing piece (14) of sliding strip (13).

3. The pretreatment device for stenting a blood vessel according to claim 2, wherein: the number of the fixing strips (11) is two, and the two fixing strips (11) are symmetrical about the inner cavity of the groove (10).

4. The pretreatment device for stenting a blood vessel according to claim 1, wherein: the pressure applying pipe body (1) and the connecting pipe body (2) are in a sealing state after being rotationally connected.

5. The pretreatment device for stenting a blood vessel according to claim 1, wherein: the diameter of the retaining ring (8) is equal to that of the sliding block (6).

6. The pretreatment device for stenting a blood vessel according to claim 1, wherein: one side of the sliding rod (5) is provided with a handle.

7. The pretreatment device for stenting a blood vessel according to claim 1, wherein: the first spring (7) is made of stainless steel materials.