CN213526874U

CN213526874U - Disposable syringe suitable for stem cell treatment

Info

Publication number: CN213526874U
Application number: CN202021732623.5U
Authority: CN
Inventors: 吴亚剑; 周卫国; 王素娟; 闵雨蒙
Original assignee: Western Medical Science And Technology Group Co ltd
Current assignee: Western Medical Science And Technology Group Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-25
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a disposable syringe suitable for stem cell treatment, including disposable syringe, disposable syringe from the bottom up has set gradually syringe needle, the lower sleeve, a disconnect-type storage cylinder, go up sleeve and press the depression bar, the syringe needle headgear inlays in the afterbody of lower sleeve, the butt joint of the bottom screw thread of lower telescopic top and disconnect-type storage cylinder, the upper end and the last sleeve screw thread butt joint of disconnect-type storage cylinder, a disconnect-type storage cylinder includes a main section of thick bamboo, bottom and top cap, the below and the butt joint of bottom screw thread of a main section of thick bamboo and upper end and top cap screw thread butt joint, the top of a main section of thick bamboo is fixed with protection diaphragm and the below and is open structure. The utility model discloses the disconnect-type storage cylinder that is located the middle part can carry out stem cell preparation storage under the conventional state, uses and can dock the installation with lower sleeve, upper sleeve when needs, can simplify stem cell preparation's transfer number of times to a great extent, reduces the possibility of polluting, also can reduce the damage in the extraction of cell preparation simultaneously.

Description

Disposable syringe suitable for stem cell treatment

Technical Field

The utility model relates to the technical field of syringes, in particular to a disposable syringe suitable for stem cell treatment.

Background

Stem cell transplantation therapy is the transplantation of healthy stem cells into a patient's body to repair or replace damaged cells or tissues, thereby achieving the goal of healing. Stem cell transplantation has a wide range of therapies, and can generally treat neurological disorders, immune system disorders, and other surgical disorders. Stem cells, known in the medical community as "universal cells," can differentiate into a variety of functional cells or tissue organs. Because stem cells cultured in an APSC pluripotent cell laboratory have the potential of unlimited proliferation and multidirectional differentiation, and have the characteristics of hematopoietic support, immunoregulation, self-replication and the like, currently, in the clinical operation of biological treatment or cell treatment, the clinical application of cell preparations mainly comprises intravenous infusion and local injection, the intravenous infusion operation of the cell preparations basically refers to the blood transfusion routine, the blood transfusion device is used as an infusion device, and the local injection of the cell preparations has no previous reference standard or special injection device and is basically replaced by a common injector.

However, the existing disposable syringe for stem cell therapy has the following problems during use: (1) the method is mainly used by a conventional syringe, a special syringe for stem cell treatment is lacked, a container for containing the stem cells is generally required to be opened and extracted by the syringe during the process of transferring the stem cells, then injection is carried out, and the cell preparation is easily polluted by transferring for a plurality of times; (2) cell preparations are easily destroyed during transfer through the syringe several times. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable syringe suitable for stem cell treatment has solved and has mainly used with conventional syringe, lacks the special syringe that is used for stem cell treatment, is transferring the process to stem cell, and the container that will hold stem cell generally need be opened and is extracted through the syringe, then injects, and several times shifts and leads to the pollution of cell preparation easily, this technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a disposable injector suitable for stem cell treatment comprises a disposable injector, the disposable injector is provided with an injection needle, a lower sleeve, a separated storage cylinder, an upper sleeve and a pressing rod from bottom to top in sequence, the injection needle head is sheathed and embedded at the tail part of the lower sleeve, the upper part of the lower sleeve is in threaded butt joint with the bottom of the separated storage cylinder, the upper end of the separated storage cylinder is in threaded butt joint with the upper sleeve, the separated storage cylinder comprises a main cylinder, a bottom cover and a top cover, the lower part of the main cylinder is in threaded butt joint with the bottom cover, the upper end of the main cylinder is in threaded butt joint with the top cover, a protective diaphragm is fixed above the main cylinder, the lower part of the main cylinder is in an open structure, the protection diaphragm is fixedly connected with the inner wall of the main cylinder, the pressing rod is inserted in the lower sleeve, the separated storage cylinder and the upper sleeve in a penetrating mode, and the pressing rod comprises a pressing rod and a piston fixed at the tail end of the pressing rod.

As a preferred embodiment of the present invention, the surface of the protective membrane is formed with a plurality of groups of spherical bumps and has the same size as the piston.

As a preferred embodiment of the present invention, the joint between the periphery of the protective membrane and the inner wall of the main tube is formed into a point-break structure.

As a preferred embodiment of the present invention, the bottom of the piston is formed with a plurality of groups of extrusion bumps, and the extrusion bumps are hemispherical structures and correspond to the spherical bumps.

As a preferred embodiment of the present invention, the bottom cover and the top cover are both in a hemispherical structure protruding outward.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. this scheme is the injection tube design for the syllogic structure and includes the lower sleeve, disconnect-type storage cylinder and last sleeve, the disconnect-type storage cylinder that is located the middle part can carry out stem cell preparation storage under the conventional state, use when needs can with bottom and top cap split respectively and with the lower sleeve, go up the sleeve and carry out the butt joint installation, the number of times that shifts of stem cell preparation can be simplified to such design to a great extent, reduce the possibility of pollution, damage in the extraction of cell preparation also can be reduced simultaneously.

2. The injector designed by the scheme has a simple structure, can achieve two functions of injection and storage simultaneously, and is simple to operate and convenient to use.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural diagram of the separating storage cylinder of the present invention;

FIG. 3 is a structural diagram of the main cylinder of the present invention;

FIG. 4 is a top structure view of the main cylinder of the present invention;

fig. 5 is a structure diagram of the piston of the present invention.

In the figure, 1, an injection needle; 2. a lower sleeve; 3. a separate storage cartridge; 4. an upper sleeve; 5. a main barrel; 6. A bottom cover; 7. a top cover; 8. a protective membrane; 9. a pressure lever; 10. a piston; 11. a spherical bump; 12. the bump is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a disposable injector suitable for stem cell therapy comprises a disposable injector, the disposable injector is provided with an injection needle 1, a lower sleeve 2 and a separated storage barrel 3 from bottom to top in sequence, go up sleeve 4 and press the depression bar, 1 cover of injection needle inlays in the afterbody of sleeve 2 down, the top of sleeve 2 down and the butt joint of the bottom screw thread of disconnect-type storage cylinder 3, the upper end and the butt joint of last sleeve 4 screw thread of disconnect-type storage cylinder 3, disconnect-type storage cylinder 3 includes main section of thick bamboo 5, bottom 6 and top cap 7, the below and the butt joint of bottom 6 screw thread of main section of thick bamboo 5 and upper end and the butt joint of top cap 7 screw thread, the top of main section of thick bamboo 5 is fixed with protection diaphragm 8 and below and is open structure, the inner wall fixed connection of protection diaphragm 8 and main section of thick bamboo 5, press the depression bar to alternate in lower sleeve 2, the inside of disconnect-type storage cylinder 3 and last sleeve 4, press the depression bar to include depression bar 9 and fix at the terminal.

Further improved, as shown in fig. 4: the surface of the protective membrane 8 is processed and formed with a plurality of groups of spherical bumps 11 with the same specification as the piston 10.

Further improved, as shown in fig. 4: the connection between the periphery of the protective membrane 8 and the inner wall of the main cylinder 5 is formed as a point-break structure, which is designed to separate the entire protective membrane 8 during the extrusion of the piston 10.

Further improved, as shown in fig. 5: the bottom of the piston 10 is formed with a plurality of groups of extrusion protrusions 12, the extrusion protrusions 12 are hemispherical structures and correspond to the spherical protrusions 11, and the design mode is convenient for the piston 10 to contact with the protective diaphragm 8 and open the protective diaphragm 8.

Specifically, the bottom cover 6 and the top cover 7 are both in a hemispherical structure protruding outwards.

When in use: the utility model discloses before needs carry out the stem cell injection to patient, can take out disconnect-type storage cylinder 3 from the stem cell storage box, then invert disconnect-type storage cylinder 3 and take off bottom 6, then it is sealed with 3 screw thread butt joints of lower sleeve 2 and disconnect-type storage cylinder, then put disconnect-type storage cylinder 3 upright and take off upper sleeve 4 and dock with upper sleeve 4, then medical personnel extrusion depression bar 9 makes piston 10 extrusion protective film 8, break away from protective film 8, and extrude the gas that probably exists inside, inject patient at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-use syringe suitable for stem cell therapy, comprising a single-use syringe, characterized in that: disposable syringe from the bottom up has set gradually injection needle (1), lower sleeve (2), disconnect-type storage cylinder (3), goes up sleeve (4) and press the depression bar, injection needle (1) cover inlays in the afterbody of lower sleeve (2), the top of lower sleeve (2) and the bottom screw thread butt joint of disconnect-type storage cylinder (3), the upper end and the last sleeve (4) screw thread butt joint of disconnect-type storage cylinder (3), disconnect-type storage cylinder (3) are including main section of thick bamboo (5), bottom (6) and top cap (7), the below and bottom (6) screw thread butt joint of main section of thick bamboo (5) and upper end and top cap (7) screw thread butt joint, the top of main section of thick bamboo (5) is fixed with protection diaphragm (8) and below and is open structure, the inner wall fixed connection of protection diaphragm (8) and main section of thick bamboo (5), press the depression bar to wear in lower sleeve (2) and already, down, The interior of the separated storage cylinder (3) and the upper sleeve (4) comprises a pressing rod (9) and a piston (10) fixed at the tail end of the pressing rod (9).

2. A single-use syringe suitable for stem cell therapy according to claim 1, wherein: the surface of the protective diaphragm (8) is processed and formed with a plurality of groups of spherical bumps (11) with the same specification as the piston (10).

3. A single-use syringe suitable for stem cell therapy according to claim 2, wherein: the connecting part of the periphery of the protective diaphragm (8) and the inner wall of the main cylinder (5) is processed and formed into a point-break structure.

4. A single-use syringe suitable for stem cell therapy according to claim 2, wherein: the bottom of the piston (10) is processed and formed with a plurality of groups of extrusion lugs (12), and the extrusion lugs (12) are of hemispherical structures and correspond to the spherical lugs (11).

5. A single-use syringe suitable for stem cell therapy according to claim 1, wherein: the bottom cover (6) and the top cover (7) are both in hemispherical structures protruding outwards.