CN215134338U

CN215134338U - Stem cell extractor

Info

Publication number: CN215134338U
Application number: CN202121337304.9U
Authority: CN
Inventors: 闫永生; 张珣
Original assignee: Henan Duter Pharmaceutical Technology Co ltd
Current assignee: Henan Duter Pharmaceutical Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-14
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a stem cell extractor, which comprises a cylinder body, wherein a liquid containing cavity is fixedly arranged at the bottom end inside the cylinder body, a needle tube is fixedly connected inside the liquid containing cavity in a penetrating way, the outer wall of the needle tube penetrates through the cylinder body, the top end of the needle tube is fixedly connected with a push plate, the bottom end of the liquid containing cavity is fixedly connected with a needle head, an extension spring is fixedly arranged at the middle part of the top end of the cylinder body, a fixed ring is fixedly connected with the top end of the cylinder body, one side of the outer wall of the fixed ring is fixedly connected with a drawing block, one end of the drawing block is fixedly connected with a pressing block, and the inner wall of the fixed ring is fixedly provided with a plurality of connecting blocks. The effect of assisting the pushing of the pushing plate is achieved.

Description

Stem cell extractor

Technical Field

The utility model relates to an extractor device, in particular to stem cell extractor.

Background

Stem cells are a kind of cells having unlimited or immortal self-renewal ability, and capable of producing at least one type of highly differentiated progeny cells, and the source of stem cells mainly includes both peripheral blood stem cells and bone marrow stem cells, and doctors usually puncture the iliac region of donors to collect hematopoietic stem cells in bone marrow, so a stem cell extractor is required for extracting stem cells from human bodies.

However, the existing stem cell extractor has a poor structure and also has certain defects:

1. the doctor needs at the uniform velocity pull when using the extractor to take stem cell out, and most new syringe is more astringent when using for the first time, need pull hard and just can take out the needle tubing, if the doctor forgets before using to carry out the pull inspection to new syringe, blocks suddenly when leading to using, brings pain and discomfort for the user, has also increased medical personnel's the degree of difficulty of extracting.

2. The extracted stem cells cannot be conveyed and stored quickly and timely after being extracted, and the stem cells are easy to overflow if an operator touches the push plate for a short time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stem cell extractor to the syringe bite that provides in solving above-mentioned background art increases and draws the degree of difficulty and the operator does not touch the push rod hour, leads to the problem that the stem cell spills over easily.

In order to achieve the above object, the utility model provides a following technical scheme: a stem cell extractor comprises a barrel, wherein a liquid containing cavity is fixedly arranged at the bottom end inside the barrel, a needle tube is connected inside the liquid containing cavity in a penetrating manner, the outer wall of the needle tube penetrates through the barrel, the top end of the needle tube is fixedly connected with a pushing plate, the bottom end of the liquid containing cavity is connected with a needle head in a penetrating manner, an extension spring is fixedly arranged in the middle of the top end of the barrel, a fixing ring is fixedly connected to the top end of the barrel, a drawing block is connected to one side of the outer wall of the fixing ring in a penetrating manner, a pressing block is fixedly connected to one end of the drawing block, a plurality of connecting blocks are fixedly arranged on the inner wall of the fixing ring, baffle plates are rotatably connected to adjacent ends of two adjacent connecting blocks, and the bottom ends of the baffle plates are attached to the top end of the extension spring; one side through connection of barrel outer wall has the sealed box, the front sliding connection of sealed box has the push rod, the fixed gasbag that is equipped with in one side of barrel inner wall, the fixed suction nozzle that is equipped with of one end of gasbag, the one end and the sealed box through connection of suction nozzle.

As an optimized technical proposal of the utility model, the outer wall of the needle head is connected with the bottom end of the cylinder body in a penetrating way.

As an optimal technical scheme of the utility model, extension spring's inner wall and the outer wall swing joint of needle tubing, extension spring's size is less than the size of retainer plate.

As a preferred technical scheme of the utility model, the diameter of briquetting is greater than extension spring's diameter, the bottom of briquetting and extension spring's top swing joint.

As a preferred technical scheme of the utility model, adjacent two the height of connecting block is for evenly increasing progressively, a plurality of the connecting block all is located the top of taking out the piece.

As an optimal technical scheme of the utility model, take out the other end fixedly connected with plectrum of piece, the outer wall of plectrum is fixed and is equipped with the slipmat.

As an optimized technical scheme of the utility model, the outer wall of push rod one side and the inner wall swing joint of airtight box, the outer wall of gasbag is laminated with the outer wall of needle tubing mutually.

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

1. the utility model relates to a stem cell extractor, through having set up extension spring, the retainer plate, take out the piece, plectrum and briquetting, drive when medical personnel stimulate the catch plate and drive the needle tubing and remove the bite and take out the piece outwards through stirring the plectrum drive, the piece of taking out of outwards removing drives the briquetting aversion simultaneously, make the extension spring who compresses in the bottom bounce, it upwards promotes to drive the catch plate after the bottom laminating with the catch plate to stretch to, reach and play the effect of supplementary promotion to the catch plate, the connecting block that sets up and the setting of baffle, extension spring to just playing plays the cushioning effect, prevent that elasticity from influencing medical personnel's operation too greatly, the bite suddenly when having solved the use, bring painful and uncomfortable problem for the user.

2. The utility model relates to a stem cell extractor, through having set up the airtight box, the push rod, gasbag and suction nozzle, after the extraction stem cell, promote the push rod and drive in gaseous entering gasbag through the suction nozzle, make the gasbag get into the air and reach the inflation, the outer wall is supported the pressure to the needle tubing behind the expanded gasbag volume grow, it is spacing to make the needle tubing by the gasbag extrusion, reach fixed spacing effect, make operating personnel touch also can't carry out the displacement to the slurcam, if the operator does not touch the slurcam in the hour, lead to the problem that the stem cell spills over easily.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the fixing ring of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: 1. a barrel; 2. a liquid containing cavity; 3. a needle tube; 4. a push plate; 5. a needle head; 6. an extension spring; 7. a stationary ring; 8. extracting blocks; 9. a shifting sheet; 10. briquetting; 11. connecting blocks; 12. a baffle plate; 13. a sealed box; 14. a push rod; 15. an air bag; 16. an air inlet nozzle.

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.

The first embodiment is as follows:

the medical needle tube comprises a tube body 1, a liquid containing cavity 2 is fixedly arranged at the bottom end inside the tube body 1, a needle tube 3 is connected inside the liquid containing cavity 2 in a penetrating manner, the outer wall of the needle tube 3 penetrates through the tube body 1, a pushing plate 4 is fixedly connected to the top end of the needle tube 3, a needle head 5 is connected to the bottom end of the liquid containing cavity 2 in a penetrating manner, an extension spring 6 is fixedly arranged in the middle of the top end of the tube body 1, a fixing ring 7 is fixedly connected to the top end of the tube body 1, a pulling block 8 is connected to one side of the outer wall of the fixing ring 7 in a penetrating manner, a pressing block 10 is fixedly connected to one end of the pulling block 8, a plurality of connecting blocks 11 are fixedly arranged on the inner wall of the fixing ring 7, baffle plates 12 are rotatably connected to the adjacent ends of the two connecting blocks 11, the bottom ends of the plurality of baffle plates 12 are respectively attached to the top end of the extension spring 6, when medical staff pull the pushing plate 4 to drive the needle tube 3 to move and block 8 to move outwards through the pulling block 9, the pulling block 8 which moves outwards simultaneously to drive the pressing block 10 to move, make the compression bounce at the extension spring 6 of bottom, stretch to drive the pushing plate 4 and upwards promote after laminating with the bottom of pushing plate 4, reach the effect that plays supplementary promotion to pushing plate 4, the setting of connecting block 11 and baffle 12 that set up plays cushioning effect to the extension spring 6 of just bounceing, prevents that elasticity from too big influence medical personnel's operation.

Outer wall and the bottom through connection of barrel 1 of syringe needle 5, syringe needle 5 holds the chamber 2 cooperation with liquid and holds the chamber 2 with extract suction liquid, extension spring 6's inner wall and needle tubing 3's outer wall swing joint, extension spring 6's size is less than the size of retainer plate 7, the diameter of briquetting 10 is greater than extension spring 6's diameter, the bottom of briquetting 10 and extension spring 6's top swing joint, two adjacent connecting blocks 11 highly be for evenly increasing progressively, a plurality of connecting blocks 11 all are located the top of taking out piece 8, connecting block 11 can cushion extension spring 6 many times for increasing progressively the setting, take out the other end fixedly connected with plectrum 9 of piece 8, the outer wall of plectrum 9 is fixed and is equipped with the slipmat, the slipmat makes the friction increase between operating personnel's finger and the plectrum 9 with the cooperation of plectrum 9, reach skid-proof effect.

When the stem cell extractor is used in detail, the needle tube 3 is pushed to the bottom end of the liquid containing cavity 2 when the stem cells are extracted, the needle head 5 is pricked into the skin of a human body, the needle tube 3 is driven to move upwards by the drawing pushing plate 4, the needle head 5 is matched with the liquid containing cavity 2 to draw extract into the liquid containing cavity 2, when medical personnel pull the pushing plate 4 to drive the needle tube 3 to move and block, the drawing block 8 arranged on the fixed ring 7 is driven to move outwards by stirring the poking sheet 9, the drawing block 8 moving outwards simultaneously drives the pressing block 10 to move, so that the extension spring 6 compressed at the bottom is bounced, the extension spring is attached to the bottom of the pushing plate 4 to drive the pushing plate 4 to push upwards, the effect of assisting in pushing the pushing plate 4 is achieved, the baffle 12 arranged on the extension spring 6 is stopped in a limiting way, and the extension spring 6 is continuously moved upwards through the connecting block 11 in a rotating connection way, connecting block 11 can cushion extension spring 6 for a plurality of times for increasing progressively the setting, prevents that elasticity too big influence medical personnel's operation, and sudden jam when having solved the use brings pain and uncomfortable problem for the user.

Example two:

on the basis of the first embodiment, as shown in fig. 1 and fig. 2, one side of the outer wall of the cylinder 1 is connected with a sealed box 13 in a penetrating manner, the front side of the sealed box 13 is connected with a push rod 14 in a sliding manner, one side of the inner wall of the cylinder 1 is fixedly provided with an air bag 15, one end of the air bag 15 is fixedly provided with an air inlet nozzle 16, one end of the air inlet nozzle 16 is connected with the sealed box 13 in a penetrating manner, the outer wall of one side of the push rod 14 is movably connected with the inner wall of the sealed box 13, the outer wall of the air bag 15 is attached to the outer wall of the needle tube 3, after stem cells are extracted, the push rod 14 is pushed to drive air to enter the air bag 15 through the air inlet nozzle 16, the air bag 15 expands, the outer wall presses against the needle tube 3, the needle tube 3 is extruded and limited by the air bag 15, a fixed limiting effect is achieved, and an operator can not move when touching the push plate 4.

When specifically using, the utility model relates to a stem cell extractor, after extraction stem cell, promote to set up push rod 14 in airtight box 13 and drive gaseous extrusion and pass through in air inlet nozzle 16 gets into gasbag 15, make gasbag 15 get into the air and reach the inflation, 15 volume grow of gasbag after the inflation, outer wall after the inflation supports pressure to needle tubing 3, it is spacing to make needle tubing 3 extrude by gasbag 15, reach fixed spacing effect, make operating personnel touch also can't carry out the displacement to slurcam 4, solved if the operator does not touch slurcam 4 for a hour, lead to the problem that the stem cell spills over easily.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 extractor comprising a cartridge (1), characterized in that: a liquid containing cavity (2) is fixedly arranged at the bottom end inside the cylinder body (1), a needle tube (3) is connected inside the liquid containing cavity (2) in a penetrating way, the outer wall of the needle tube (3) penetrates through the barrel body (1), the top end of the needle tube (3) is fixedly connected with a pushing plate (4), the bottom end of the liquid containing cavity (2) is connected with a needle head (5) in a penetrating way, the middle part of the top end of the cylinder body (1) is fixedly provided with an extension spring (6), a fixed ring (7) is fixedly connected to the top end of the cylinder body (1), a drawing block (8) is connected to one side of the outer wall of the fixed ring (7) in a penetrating manner, one end of the pulling block (8) is fixedly connected with a pressing block (10), the inner wall of the fixing ring (7) is fixedly provided with a plurality of connecting blocks (11), one end of each two adjacent connecting blocks (11) is rotatably connected with a baffle (12), and the bottom ends of the baffles (12) are attached to the top end of the extension spring (6); one side through connection of barrel (1) outer wall has sealed box (13), the front sliding connection of sealed box (13) has push rod (14), fixed gasbag (15) that are equipped with in one side of barrel (1) inner wall, the fixed suction nozzle (16) that are equipped with of one end of gasbag (15), the one end and the sealed box (13) through connection of suction nozzle (16).

2. A stem cell extractor according to claim 1, wherein: the outer wall of the needle head (5) is in through connection with the bottom end of the barrel body (1).

3. A stem cell extractor according to claim 1, wherein: the inner wall of the extension spring (6) is movably connected with the outer wall of the needle tube (3), and the size of the extension spring (6) is smaller than that of the fixing ring (7).

4. A stem cell extractor according to claim 1, wherein: the diameter of the pressing block (10) is larger than that of the extension spring (6), and the bottom end of the pressing block (10) is movably connected with the top end of the extension spring (6).

5. A stem cell extractor according to claim 1, wherein: the heights of two adjacent connecting blocks (11) are uniformly increased, and the connecting blocks (11) are all positioned at the top of the drawing block (8).

6. A stem cell extractor according to claim 1, wherein: the other end of the pulling block (8) is fixedly connected with a shifting sheet (9), and an anti-slip pad is fixedly arranged on the outer wall of the shifting sheet (9).

7. A stem cell extractor according to claim 1, wherein: the outer wall of one side of the push rod (14) is movably connected with the inner wall of the closed box (13), and the outer wall of the air bag (15) is attached to the outer wall of the needle tube (3).