Stem cell transplantation implanter

Abstract

The utility model relates to the technical field of stem cell transplantation, in particular to a stem cell transplantation implanter which comprises an injector body, a matching support, a driving assembly and a connecting assembly, the injector body is connected with the matching support, the driving assembly is connected to the matching support, and the connecting assembly is connected to the matching support. According to the utility model, the liquid medicine is uniformly injected through the linear movement of the moving end of the driving assembly along the injector main body, the accurate control of the dosage in the process of injecting the liquid medicine is avoided, and the arranged connecting assembly can be used for quickly connecting and detaching the injector main body and the matched bracket only through rotation; and when the injector main body is mounted and dismounted, the dismounting steps of workers can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stem cell transplantation, specifically relates to a stem cell transplantation implant. BACKGROUND

[0002] In the process of clinical treatment, joint injury, arthritis and other factors cause joint swelling, pain, joint cavity effusion, and it is necessary to use the transplant needle for injection to inject liquid medicine into the bone joint cavity to achieve the purpose of slowing down and curing the diseased part. Mesenchymal stem cells are a kind of multipotent stem cells, which have self-renewal and multi-directional differentiation ability, and are considered to be the most promising non-hematopoietic tissue multipotent stem cells for treating various diseases.

[0003] The Chinese patent with publication number CN221888339U discloses a stem cell transplantation implant, which comprises an injection tube, one end of the injection tube is provided with an injection head, one end of the injection tube is provided with a connecting rod, one end of the connecting rod inside the injection tube is fixedly installed with a piston, one side of the outer wall of the injection tube is provided with an arc-shaped fixing piece, and the number of arc-shaped fixing pieces is two. The stem cell transplantation implant, through the cooperation of the injection tube, the piston, the connecting rod, the injection head, the connecting plate, the adjusting screw, the adjusting block, the limiting groove, the protective cover, the storage battery, the micro motor, the arc-shaped arm, the switch, the handle, the second butterfly bolt, the fixing rod and the fixing sleeve, the movement of the piston does not need to rely on manual control, but is realized through electric drive in the whole operation process. This design effectively solves the problem that the traditional implant needs manual force and control during the pushing process.

[0004] However, in the above technical solution, the injection tube is connected through the arc-shaped fixing piece and the connecting mechanism, but both connections need to disassemble the arc-shaped fixing piece and the connecting mechanism to disassemble the injection tube, which increases the workload of the staff. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a stem cell transplantation implant.

[0006] The technical scheme of the utility model: a stem cell transplantation implant, comprising an injector main body, which is connected with a matching support; a driving assembly connected to the matching support; in the use state of the driving assembly, the moving end moves linearly along the injector main body, and the moving end drives the injector main body to suck in or discharge liquid medicine; a connecting assembly connected to the matching support; in the use state of the connecting assembly, the connecting assembly is detachably connected with the injector main body.

[0007] Preferably, the syringe body is composed of a tube, a piston rod, a piston plate and a needle, the tube is detachably connected with the matching support, the piston rod is arranged in the tube through one end of the tube and connected with the piston plate, and the tube is connected with the needle at the end away from the piston rod.

[0008] Preferably, the matching support is composed of a handle, two symmetrical support plates and a fixing ring, the support plates are connected with the outer wall of the fixing ring, the end of the support plates away from the fixing ring is used for connecting the handle, and the fixing ring is detachably connected with the tube.

[0009] Preferably, the driving assembly comprises a driving device connected with any one of the support plates, a threaded rod arranged in a sliding groove formed in the support plate, one end of the threaded rod connected with the output end of the driving device, the other end of the threaded rod rotatably connected in the sliding groove, a moving seat threadedly connected with the threaded rod, the moving seat matched with the shape of the sliding groove, a connecting plate connected with the moving seat, and a matching rod connected with a sliding groove in the other support plate, the matching rod connected with a sliding seat, and the sliding seat connected with the connecting plate.

[0010] Preferably, the connecting assembly comprises two symmetrically arranged connecting blocks connected with one end of the piston rod, a fixing column connected with the connecting plate, an accommodating groove formed in the side of the fixing column close to the piston rod, a fixing groove formed in the inner wall of the accommodating groove matched with the connecting block, a limiting assembly connected with the matching support, and the moving end of the limiting assembly synchronously limited to the position of the syringe body in the use state of the limiting assembly.

[0011] Preferably, the limiting assembly comprises two symmetrically arranged pressing plates matched with the shape of the inner wall of the fixing ring, a plurality of moving rods, one end of the moving rod connected with the pressing plate, the other end of the moving rod connected with a clamping block through the fixing ring, the clamping block matched with a clamping groove formed in the tube, and a plurality of elastic members corresponding to the moving rods, the elastic member sleeved on the outer side of the moving rod, and the elastic member connected with the fixing ring and the clamping block at two ends.

[0012] Preferably, the support plate is connected with symmetrically arranged protrusions, and the protrusion is connected with an anti-skid pad.

[0013] Preferably, the tube is connected with a plurality of positioning blocks matched with grooves formed in the piston rod.

[0014] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0015] In the utility model, the moving end of the driving assembly moves linearly along the syringe body to uniformly inject the liquid medicine, the use amount is accurately controlled in the process of injecting the liquid medicine, the connecting assembly is only rotated to quickly connect and detach the syringe body and the matching support, and the disassembling steps of the staff can be reduced during the installation and removal of the syringe body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the utility model;

[0017] Figure 2 is a sectional view of the fixed column;

[0018] Figure 3 is a sectional view of the fixed column; Figure 1

[0019] Figure 4 is an enlarged view of structure A of the fixed column; Figure 3

[0020] Figure 5 is an enlarged view of structure B of the fixed column. Figure 3 Reference signs: 1, syringe body; 2, matching support; 3, pipe body; 4, piston rod; 5, piston plate; 6, needle; 7, handle; 8, support plate; 9, fixed ring; 10, driving device; 11, threaded rod; 12, sliding groove; 13, moving seat; 14, connecting plate; 15, matching rod; 16, sliding seat; 17, connecting block; 18, fixed column; 19, containing groove; 20, fixed groove; 21, pressing plate; 22, moving rod; 23, clamping block; 24, elastic piece; 25, protruding block; 26, positioning block.

[0021] DETAILED DESCRIPTION

[0022] Example one

[0023] As shown in the utility model discloses a kind of stem cell transplantation implanters, including syringe body 1, matching support 2, driving assembly and connecting assembly, syringe body 1 is connected with matching support 2; Figures 1-5

[0024] In an alternative embodiment, syringe body 1 is composed of pipe body 3, piston rod 4, piston plate 5 and needle 6, pipe body 3 is detachably connected with matching support 2, piston rod 4 one end passes through pipe body 3 and is arranged in pipe body 3 and is connected with piston plate 5, pipe body 3 is connected with needle 6 away from piston rod 4 one end;

[0025] In an alternative embodiment, matching support 2 is composed of handle 7, support plate 8 and fixed ring 9, two symmetrical support plates 8 are connected with the outer wall of fixed ring 9, support plate 8 is used for connecting handle 7 away from fixed ring 9 one end, and fixed ring 9 is detachably connected with pipe body 3;

[0026] ​​​​The driving assembly is connected on the matching support 2; in the use state of the driving assembly, the moving end moves linearly along the syringe body 1, and the moving end drives the syringe body 1 to suck or discharge the liquid medicine; the connecting assembly is connected on the matching support 2; in the use state of the connecting assembly, the connecting assembly is detachably connected with the syringe body 1.

[0027] Embodiment two

[0028] As shown in Figure 1 , Figure 3 , the stem cell transplantation implanting device, compared with embodiment one, the embodiment records the detailed structure of the driving assembly, the driving assembly includes a driving device 10, a threaded rod 11, a moving seat 13, a connecting plate 14, a matching rod 15 and a sliding seat 16, the driving device 10 is connected on any one support plate 8; the driving device 10 is selected but not limited to a motor; the threaded rod 11 is arranged in the sliding groove 12 formed in the support plate 8, one end of the threaded rod 11 is connected with the output end of the driving device 10, and the other end of the threaded rod 11 is rotatably connected in the sliding groove 12; the moving seat 13 is screwedly connected on the threaded rod 11, the moving seat 13 is in shape fit with the sliding groove 12, the connecting plate 14 is connected on the moving seat 13, the matching rod 15 is connected in the sliding groove 12 on the other support plate 8, the sliding seat 16 is connected on the matching rod 15, and the sliding seat 16 is connected with the connecting plate 14.

[0029] Embodiment three

[0030] As shown in Figures 2-5 , the stem cell transplantation implanting device, compared with embodiment two, the embodiment records the detailed structure of the connecting assembly, the connecting assembly includes a connecting block 17, a fixed column 18 and a limiting assembly, the connecting block 17 is symmetrically provided with two, the connecting block 17 is connected on one end of the piston rod 4, the fixed column 18 is connected on the connecting plate 14, the fixed column 18 is provided with a containing groove 19 close to one side of the piston rod 4, and a fixed groove 20 matched with the connecting block 17 is formed in the inner wall of the containing groove 19; the fixed groove 20 is in L-shaped; the limiting assembly is connected on the matching support 2; in the use state of the limiting assembly, the moving end of the limiting assembly synchronously restricts the position of the syringe body 1 from one end;

[0031] The limiting assembly comprises a pressing plate 21, a moving rod 22, a clamping block 23 and an elastic member 24, the pressing plate 21 is symmetrically provided with two, the inner wall shape of the pressing plate 21 is matched with the fixed ring 9, the moving rod 22 is equidistantly distributed with a plurality of moving rods 22 along the central axis direction of the pipe body 3, one end of the moving rod 22 is connected with the pressing plate 21, the other end of the moving rod 22 passes through the fixed ring 9 and is connected with the clamping block 23, the clamping block 23 is matched with the clamping groove arranged on the pipe body 3, the cross section shape of the clamping block 23 and the clamping groove is a sector, the number of the elastic member 24 corresponds to the moving rod 22, the elastic member 24 is sleeved on the outer side of the moving rod 22, the two ends of the elastic member 24 are connected with the fixed ring 9 and the clamping block 23 respectively, and the elastic member 24 is selected from but not limited to a spring;

[0032] In an optional embodiment, the support plate 8 is connected with symmetrically arranged protrusions 25, and the protrusions 25 are connected with anti-skid pads; the protrusions 25 are convenient for a worker to hold the handle 7 with one hand and hold the support plate 8 with the other hand, thereby maintaining the stability during holding.

[0033] In an optional embodiment, the pipe body 3 is connected with a plurality of positioning blocks 26, and the positioning blocks 26 are matched with the grooves arranged on the piston rod 4; the positioning blocks 26 limit the rotation of the piston rod 4, thereby preventing the piston rod 4 from rotating to cause liquid leakage and temperature precision reduction.

[0034] In summary, when the utility model is used, the worker inserts the needle 6 into a container for storing liquid medicine, pulls the connecting block 17 on the piston rod 4 to drive the piston rod 4 and the piston plate 5 to move to generate negative pressure to extract the liquid medicine, or the worker can install the syringe main body 1 on the matched support 2 to extract the liquid medicine, when the syringe main body 1 is installed, the driving device 10 is started, the output end of the driving device 10 rotates to drive the threaded rod 11 to rotate, the moving seat 13 on the threaded rod 11 and the sliding seat 16 on the matched rod 15 move along the sliding groove 12 to approach the fixed ring 9, the pipe body 3 is inserted between the two support plates 8 from the fixed ring 9, the volume of the pipe body 3 extrudes the clamping block 23 to drive the moving rod 22 to move linearly and compress the length of the elastic member 24, the piston rod 4 approaches the fixed column 18 on the connecting plate 14, the groove arranged on the piston rod 4 is matched with the positioning block 26 on the pipe body 3 to limit the rotation of the piston rod 4, so that the piston rod 4 also rotates synchronously when the pipe body 3 rotates, one end of the piston rod 4 is inserted into the accommodating groove 19 on the fixed column 18, at this time, the connecting block 17 enters the accommodating groove 19, the connecting block 17 enters the fixed groove 20 by rotating, at this time, with the rotation of the pipe body 3, the clamping block 23 enters the clamping groove arranged on the pipe body 3, the elastic member 24 rebounds to push the clamping block 23 to be close to the clamping groove to limit the pipe body 3, when the pipe body 3 is disassembled, the worker rotates the pipe body 3 to move the clamping block 23 out of the clamping groove on the pipe body 3, and then the piston rod 4 is away from the fixed column 18 when the pipe body 3 is pulled, so that the pipe body 3 can be disassembled.

[0035] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A stem cell transplant applicator, comprising: The injection device comprises a syringe body (1) connected with a matching support (2); a driving assembly connected on the matching support (2); in use, the moving end moves linearly along the syringe body (1), and drives the syringe body (1) to suck or discharge liquid medicine; a connecting assembly connected on the matching support (2); in use, the connecting assembly is detachably connected with the syringe body (1).

2. The stem cell transplant applicator of claim 1, wherein, The syringe body (1) is composed of a tube body (3), a piston rod (4), a piston plate (5) and a needle (6); the tube body (3) is detachably connected with the matching support (2); one end of the piston rod (4) penetrates through the tube body (3) and is arranged inside the tube body (3) to be connected with the piston plate (5); and the end of the tube body (3) away from the piston rod (4) is connected with the needle (6).

3. The stem cell transplant applicator of claim 2, wherein, The matching support (2) is composed of a handle (7), a support plate (8) and a fixing ring (9); two symmetrical support plates (8) are connected with the outer wall of the fixing ring (9); the end of the support plate (8) away from the fixing ring (9) is used for connecting the handle (7); and the fixing ring (9) is detachably connected with the tube body (3).

4. The stem cell transplant applicator of claim 3, wherein, The driving assembly comprises a driving device (10) connected on any one of the support plates (8); a threaded rod (11) arranged in a sliding groove (12) formed on the support plate (8); one end of the threaded rod (11) is connected with the output end of the driving device (10); and the other end of the threaded rod (11) is rotatably connected in the sliding groove (12); a moving seat (13) threadedly connected on the threaded rod (11); the moving seat (13) is in shape fit with the sliding groove (12); and the moving seat (13) is connected with a connecting plate (14); a matching rod (15) connected in the sliding groove (12) on the other support plate (8); the matching rod (15) is connected with a sliding seat (16); and the sliding seat (16) is connected with the connecting plate (14).

5. The stem cell transplant applicator of claim 2, wherein, The connecting assembly comprises two connecting blocks (17) symmetrically arranged; the connecting blocks (17) are connected on one end of the piston rod (4); a fixing column (18) connected on the connecting plate (14); the fixing column (18) is formed with an accommodating groove (19) on the side close to the piston rod (4); and the inner wall of the accommodating groove (19) is formed with a fixing groove (20) matched with the connecting block (17); a limiting assembly connected on the matching support (2); in use, the moving end of the limiting assembly synchronously moves towards one end to limit the position of the syringe body (1).

6. The stem cell transplant applicator of claim 5, wherein the stem cell transplant applicator is configured to be inserted into the patient's body through the incision. The limiting assembly comprises two press plates (21) symmetrically arranged; the inner wall of the press plate (21) is in shape fit with the fixing ring (9); a plurality of moving rods (22); one end of the moving rod (22) is connected with the press plate (21); the other end of the moving rod (22) penetrates through the fixing ring (9) to be connected with a clamping block (23); and the clamping block (23) is matched with a clamping groove formed on the tube body (3); a plurality of elastic members (24) corresponding to the moving rods (22); the elastic member (24) is sleeved on the outer side of the moving rod (22); and the two ends of the elastic member (24) are respectively connected with the fixing ring (9) and the clamping block (23).

7. The stem cell transplant applicator of claim 6, wherein the stem cell transplant applicator is configured to be inserted into the patient's body through the incision. The support plate (8) is connected with symmetrically arranged protrusions (25), and the protrusions (25) are connected with anti-skid pads.

8. The stem cell transplant applicator of claim 2, wherein, A plurality of positioning blocks (26) are connected to the pipe body (3), and the positioning blocks (26) are matched with grooves arranged on the piston rod (4).

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