CN214735658U

CN214735658U - Stem cell puncture extractor

Info

Publication number: CN214735658U
Application number: CN202022961983.9U
Authority: CN
Inventors: 刘明佳
Original assignee: Weiliwei Shanghai Medical Technology Co ltd
Current assignee: Weiliwei Shanghai Medical Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-16
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a stem cell puncture extractor, which relates to the technical field of stem cell extraction and comprises a needle head and a first needle cylinder, wherein the upper surface of the first needle cylinder is fixedly connected with the lower surface of a box body, the right inner wall of the box body is provided with a fixed plate, a chute is arranged in the fixed plate, the left inner wall of the chute is in sliding connection with the left side of a rack, the right side of the rack is fixedly connected with the left side of a spring A, the right side of the spring A is fixedly connected with the left side of a sliding block, the left side of the rack is meshed with the right side of a gear, the inner wall of the gear is in rotating connection with the outer wall of a rotating rod, the rotating rod penetrates through a second needle cylinder, when a handle is pulled to move downwards, the rack is driven to move downwards, the rack drives the gear to rotate, the gear drives the rotating rod to rotate, the rotating rod drives the second needle cylinder to do circular motion, the second syringe is opened and the syringe is replaced.

Description

Stem cell puncture extractor

Technical Field

The utility model relates to a stem cell draws technical field, specifically is a stem cell puncture extractor.

Background

Briefly, stem cells are a class of cells that have unlimited or immortal self-renewal capacity and are capable of producing at least one type of highly differentiated progeny cells, the definition of stem cells being continually revised over the years and defined at different levels. Most biologists and physicians now believe that stem cells are a class of cells derived from embryonic, fetal, or adult cells that have the ability to self-renew and proliferate and differentiate without restriction under certain conditions, and that are capable of producing daughter cells with the same phenotype and genotype as themselves, and also capable of producing specialized cells that make up body tissues and organs, and also capable of differentiating into progenitor cells.

Among the prior art, stem cell extraction of puncturing ware has solved the people and has taken the cylinder, can produce and unconsciously rock, and nevertheless when changing the syringe needle and the needle tubing inside, the staff is not convenient for change, consequently designs a stem cell extraction of puncturing ware.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stem cell puncture extractor has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a stem cell puncture extractor comprises a needle head and a first needle cylinder, wherein the upper surface of the first needle cylinder is fixedly connected with the lower surface of a box body, the inner wall of the right side of the box body is provided with a fixed plate, a chute is arranged in the fixed plate, the inner wall of the left side of the chute is in sliding connection with the left side of a rack, the right side of the rack is fixedly connected with the left side of a spring A, the right side of the spring A is fixedly connected with the left side of a sliding block, the sliding block is in sliding connection in the chute, the front side of the rack is provided with a buckle A, the lower surface of the buckle A is in clamping connection with the upper surface of a buckle B, the left side of the rack is meshed with the right side of a gear, the inner wall of the gear is rotatably connected with the outer wall of a rotating rod, the rotating rod penetrates through a second needle cylinder, the back side of the rotating rod is movably connected with the front side of a supporting plate, and the right side of the supporting plate is fixedly connected with the inner wall of the right side of the box body, the right side of second cylinder and the one end fixed connection of rope, the other end of rope and the right side fixed connection of inserted bar, the left side inner wall of second cylinder is provided with the recess, the top of second cylinder is provided with circular slotted hole, it has the depression bar to run through in the circular slotted hole, evenly be provided with a plurality of through-holes on the depression bar, depression bar lower surface and briquetting upper surface fixed connection, depression bar upper surface and clamp plate lower fixed surface are connected, first cylinder bottom inner wall and spring B's bottom fixed connection, the upper surface of syringe needle and the lower fixed surface of needle tubing are connected, the upper surface of needle tubing and the lower fixed surface of stripper plate are connected.

Preferably, the right side of the first needle cylinder is fixedly connected with the left side of the fixing block, and the right side of the fixing block is hinged with the left side of the supporting leg.

Preferably, the top of the box body is provided with a slotted hole.

Preferably, the box is provided with two sets, and two sets of boxes use the central line of the first syringe in the vertical direction as the symmetry axis symmetry setting.

Preferably, the lower surface of the rack is fixedly connected with the upper surface of the handle.

Preferably, the supporting legs are provided with two groups, and the two groups of supporting legs are symmetrically arranged by taking the central line in the vertical direction of the first syringe as a symmetry axis.

(III) advantageous effects

The utility model provides a stem cell puncture extractor. The method has the following beneficial effects:

(1) when the handle is pressed, the rack moves rightwards due to the elasticity of the spring A, the buckle A is separated from the buckle B, the handle is pulled to move downwards to drive the rack to move downwards, the rack moves downwards to drive the gear to rotate, the gear drives the rotating rod to rotate, and the rotating rod is fixedly connected with the second needle cylinder, so that the second needle cylinder is driven to do circular track motion in the slotted hole, the second needle cylinder is opened, and the needle cylinder is placed and taken out.

(2) This stem cell puncture extractor moves down when pressing the clamp plate, drives the depression bar and moves down, and the depression bar moves down, makes the briquetting extrusion stripper plate, makes the syringe needle descend, when descending when extracting the stem cell position, and the inserted bar inserts from through-hole department, when the inserted bar inserts the recess, makes the depression bar fix like this, shakes when preventing to draw.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is a schematic view of the side view structure of the inside of the case body of the present invention;

FIG. 4 is a schematic view of the structure of the chute;

FIG. 5 is a schematic top view of the second syringe of the present invention;

fig. 6 is a schematic view of the top view structure of the box body of the present invention.

In the figure: the needle comprises a needle head 1, a first needle cylinder 2, a box body 3, a fixing plate 4, a sliding chute 5, a rack 6, a spring A7, a sliding block 8, a buckle A9, a buckle B10, a gear 11, a rotating rod 12, a second needle cylinder 13, a supporting plate 14, a handle 15, a rope 16, an inserted link 17, a groove 18, a pressing rod 19, a through hole 20, a pressing block 21, an extrusion plate 22, a spring B23, a fixing block 24, a supporting leg 25, a circular slotted hole 26, a slotted hole 27, a needle tube 28 and a pressing plate 29.

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. 1-6, the present invention provides a technical solution: a stem cell puncture extractor comprises a needle head 1 and a first needle cylinder 2, the right side of the first needle cylinder 2 is fixedly connected with the left side of a fixed block 24, the right side of the fixed block 24 is hinged with the left side of supporting legs 25, the arrangement of the supporting legs 25 plays a role of stabilizing in the extraction process, two groups of supporting legs 25 are arranged, the two groups of supporting legs 25 are symmetrically arranged by taking the central line in the vertical direction of the first needle cylinder 2 as a symmetry axis, the upper surface of the first needle cylinder 2 is fixedly connected with the lower surface of a box body 3, the box body 3 is provided with two groups, the two groups of box bodies 3 are symmetrically arranged by taking the central line in the vertical direction of the first needle cylinder 2 as a symmetry axis, a slotted hole 27 is arranged at the top of the box body 3, the arrangement of the slotted hole 27 enables a second needle cylinder 13 to do circular track motion in the slotted hole 27, a fixed plate 4 is arranged on the inner wall of the right side of the box body 3, a sliding chute 5 is arranged in the fixed plate 4, the inner wall of the left side of the sliding connection with the left side of a rack 6, the lower surface of a rack 6 is fixedly connected with the upper surface of a handle 15, the right side of the rack 6 is fixedly connected with the left side of a spring A7, the arrangement of the spring A7 enables the spring A7 to contract when the rack 6 moves rightwards, the buckle A9 is separated from the buckle B10, the right side of the spring A7 is fixedly connected with the left side of a slider 8, the slider 8 is connected in a sliding way 5, the front surface of the rack 6 is provided with a buckle A9, the lower surface of the buckle A9 is connected with the upper surface of the buckle B10 in a clamping way, the left side of the rack 6 is meshed with the right side of a gear 11, the inner wall of the gear 11 is connected with the outer wall of a rotating rod 12 in a rotating way, the rotating rod 12 penetrates through a second needle cylinder 13, the back surface of the rotating rod 12 is movably connected with the front surface of a supporting plate 14, the right side of the supporting plate 14 is fixedly connected with the inner wall of the right side of a box body 3, the right side of the second needle cylinder 13 is fixedly connected with one end of a rope 16, the other end of the rope 16 is fixedly connected with the right side of an inserted rod 17, the left side of the second needle cylinder 13 is provided with a groove 18, the top of the second syringe is provided with a circular slot hole 26, a pressure lever 19 penetrates through the circular slot hole 26, a plurality of through holes 20 are uniformly formed in the pressure lever 19, the through holes 20 enable the insertion rod 17 to be inserted into the through holes 20, the lower surface of the pressure lever 19 is fixedly connected with the upper surface of a pressing block 21, the upper surface of the pressure lever 20 is fixedly connected with the lower surface of a pressing plate 29, the inner wall of the bottom of the first syringe 2 is fixedly connected with the bottom of a spring B23, the upper surface of a needle 1 is fixedly connected with the lower surface of a needle tube 28, and the upper surface of the needle tube 28 is fixedly connected with the lower surface of an extrusion plate 22.

When the syringe is in operation (or in use), when the handle 15 is pressed, the rack 6 moves rightwards due to the elasticity of the spring A7, the buckle A9 is separated from the buckle B10, the handle 15 is pulled to move downwards to drive the rack 6 to move downwards, the rack 6 moves downwards to drive the gear 11 to rotate, the gear 11 drives the rotating rod 12 to rotate, the rotating rod 12 is fixedly connected with the second syringe 13, the second syringe 13 is driven to do circular track motion in the slotted hole 27, the second syringe 13 is opened, when the syringe is opened to a certain degree, the handle is released, the spring A7 moves leftwards due to the elasticity, the buckle A9 is clamped with the buckle B10, the second syringe 13 is fixed, and the syringe 28 is taken out after being put in and taken out. When the pressing plate 29 is pressed to move downwards, the pressing rod 19 is driven to move downwards, the pressing rod 19 moves downwards, the pressing block 21 presses the extrusion plate 22, the needle head 1 descends, when the pressing block descends to the position for extracting stem cells, the inserting rod 17 is inserted into the through hole 20, when the inserting rod 17 is inserted into the groove 18, the pressing rod 19 is fixed to prevent shaking during extraction, when the extraction is finished, the inserting rod 17 is extracted, the needle head 1 is rapidly extracted due to the elastic force of the spring B23, and therefore the operation of workers is facilitated.

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. A stem cell puncture extractor comprises a needle head (1) and a first needle cylinder (2), and is characterized in that: the upper surface of the first needle cylinder (2) is fixedly connected with the lower surface of the box body (3), the right inner wall of the box body (3) is provided with a fixing plate (4), a sliding chute (5) is arranged in the fixing plate (4), the left inner wall of the sliding chute (5) is in sliding connection with the left side of the rack (6), the right side of the rack (6) is fixedly connected with the left side of the spring A (7), the right side of the spring A (7) is fixedly connected with the left side of the sliding block (8), the sliding block (8) is in sliding connection in the sliding chute (5), the front side of the rack (6) is provided with a buckle A (9), the lower surface of the buckle A (9) is in clamping connection with the upper surface of a buckle B (10), the left side of the rack (6) is meshed with the right side of the gear (11), the inner wall of the gear (11) is in rotating connection with the outer wall of the rotating rod (12), and the rotating rod (12) penetrates through the second needle cylinder (13), the back of the rotating rod (12) is movably connected with the front of the supporting plate (14), the right side of the supporting plate (14) is fixedly connected with the inner wall of the right side of the box body (3), the right side of the second needle cylinder (13) is fixedly connected with one end of a rope (16), the other end of the rope (16) is fixedly connected with the right side of the inserted rod (17), the inner wall of the left side of the second needle cylinder (13) is provided with a groove (18), the top of the second needle cylinder is provided with a circular slotted hole (26), a pressing rod (19) penetrates through the circular slotted hole (26), a plurality of through holes (20) are uniformly formed in the pressing rod (19), the lower surface of the pressing rod (19) is fixedly connected with the upper surface of a pressing block (21), the upper surface of the pressing rod (19) is fixedly connected with the lower surface of a pressing plate (29), the inner wall of the bottom of the first needle cylinder (2) is fixedly connected with the bottom of a spring B (23), the upper surface of the needle head (1) is fixedly connected with the lower surface of the needle tube (28), and the upper surface of the needle tube (28) is fixedly connected with the lower surface of the extrusion plate (22).

2. The stem cell puncturing extractor of claim 1, wherein: the right side of the first needle cylinder (2) is fixedly connected with the left side of the fixing block (24), and the right side of the fixing block (24) is hinged with the left side of the supporting leg (25).

3. The stem cell puncturing extractor of claim 1, wherein: the top of the box body (3) is provided with a slotted hole (27).

4. The stem cell puncturing extractor of claim 1, wherein: the two groups of the box bodies (3) are arranged, and the two groups of the box bodies (3) are symmetrically arranged by taking the central line of the first needle cylinder (2) in the vertical direction as a symmetry axis.

5. The stem cell puncturing extractor of claim 1, wherein: the lower surface of the rack (6) is fixedly connected with the upper surface of the handle (15).

6. The stem cell puncturing extractor of claim 2, wherein: the support legs (25) are provided with two groups, and the two groups of support legs (25) are symmetrically arranged by taking the central line of the first needle cylinder (2) in the vertical direction as a symmetry axis.