CN210962594U - Subretinal space stem cell transplanting device - Google Patents
Subretinal space stem cell transplanting device Download PDFInfo
- Publication number
- CN210962594U CN210962594U CN201921298600.5U CN201921298600U CN210962594U CN 210962594 U CN210962594 U CN 210962594U CN 201921298600 U CN201921298600 U CN 201921298600U CN 210962594 U CN210962594 U CN 210962594U
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- China
- Prior art keywords
- sleeve
- spring
- gear
- stem cell
- piston
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- Expired - Fee Related
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- 210000000130 stem cell Anatomy 0.000 title claims abstract description 32
- 230000000670 limiting effect Effects 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 5
- 241001330002 Bambuseae Species 0.000 claims abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 5
- 239000011425 bamboo Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 4
- 210000001525 retina Anatomy 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000030533 eye disease Diseases 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000009256 replacement therapy Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011476 stem cell transplantation Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a retina cavity of resorption stem cell transplanting device, include main part mechanism, cylinder main part, cylinder end, syringe needle, piston mechanism, push rod, piston, operating device, sleeve, mounting groove, movable block, gear, first spring, stop gear, spacing section of thick bamboo, spacing groove, second spring end, second spring and support the piece. The utility model has the advantages that: holding and pushing the cap and promoting, the connecting rod promotes the gear, make the gear break away from the dentate spacing part on the sleeve inner wall, make first spring receive compression deformation simultaneously, then rotatory push cap, make push cap rotate and drive at last and support the piece and rotate, contradict and slide on telescopic inner wall, when supporting the piece and rotate to be equipped with the movable block department on the sleeve, support the piece and promote the movable block, support the piece simultaneously and get into the draw-in groove that the movable block was located, then support the piece and receive limiting displacement, thereby finally make push cap receive limiting displacement, make can not take place the mistake before the use and touch the condition that push cap made the stem cell liquid to leak, avoided the waste of stem cell liquid.
Description
Technical Field
The utility model relates to a cell transplanter specifically is a retina cavity of resorption stem cell transplanter, belongs to transplanter technical field.
Background
The stem cell is a kind of multipotential cell with self-replicating ability, and the stem cell is an insufficiently differentiated and immature cell, has the potential function of regenerating various tissues, organs and human bodies, and is called as universal cell in the medical field. Studies have shown that the operability of stem cell replacement therapy and the ease of visualization of post-transplant visual function make stem cell-mediated regenerative therapy an ongoing clinical treatment strategy for severely blinding eye diseases. Therefore, stem cells are commonly used for treating blindness of eyes in medical treatment at present, and some transplanters for the stem cells in the subretinal space are commonly used in the implementation process.
However, in the use process of the traditional subretinal space stem cell transplanter, the main body of the transplanter is mostly in the shape of an injection needle tube, and a certain amount of stem cell liquid is extracted for transplantation in each use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a retina cavity of resorption stem cell transplanting device just in order to solve above-mentioned problem, the flexible operation is convenient for carry on the piston rod spacing fixed before pouring into the stem cell liquid into the human body, avoids the mistake to touch and promotes the piston rod, makes the stem cell liquid cause the waste.
The utility model realizes the purpose by the following technical proposal, a subretinal cavity stem cell transplanter comprises a main body mechanism, the main body mechanism comprises a syringe main body, a syringe end and a needle head, one side of the syringe main body is fixedly connected with the syringe end, the syringe end deviates from the middle part of one end of the syringe main body and is fixedly connected with the needle head, a piston mechanism is arranged in the syringe main body and comprises a push rod and a piston, the piston is connected with the inner sliding block of the syringe main body, one end of the piston deviating from the needle head is fixedly connected with the push rod, one end of the push rod deviating from the piston is connected with an operating mechanism, the operating mechanism comprises a sleeve, a mounting groove, a movable block, a gear and a first spring, one end of the push rod deviating from the piston is connected with the inner part of the sleeve in a, the mounting groove is arranged in the sleeve, one end of the mounting groove part on the sleeve is clamped and slidably connected with the gear, the middle part of one side of the gear is fixedly connected with the first spring, the side wall of the sleeve is slidably clamped and connected with the movable block, the limiting mechanism is arranged in the sleeve and comprises a limiting barrel, a limiting groove, a second spring end, a second spring and a supporting block, the limiting barrel is sleeved in the sleeve in a sliding manner, one end of the limiting barrel is connected with one end of the push rod, which is far away from the piston, the limiting groove is formed in the side wall of the middle part of the limiting barrel, one end of the limiting groove is fixedly connected with the second spring end, the other end of the second spring end is fixedly connected with the second spring, and the other end of the second spring is connected with the supporting block, the other end of the abutting block is connected to one side of the movable block.
Preferably, in order to facilitate observation of the injection amount of the stem cell fluid in the using process, the main body mechanism further comprises scale strips, and the scale strips are uniformly distributed on the outer side surface of the syringe main body.
Preferably, in order to protect the needle head in a non-use state, the main body mechanism further comprises a fixing band and a buckle cap, the fixing band is fixedly connected to one end of the outer side wall of the end of the needle cylinder, and the buckle cap is fixedly connected to the other end of the fixing band.
Preferably, in order to facilitate the medical staff to hold and use the device when in use, the operating mechanism further comprises a connecting rod and a push cap, one end of the sleeve, which deviates from the push rod, is connected with the connecting rod in a sliding clamping manner, one end of the connecting rod, which faces the sleeve, is fixedly connected to the middle part of the gear, and one end of the connecting rod, which deviates from the gear, is connected with the push cap.
Preferably, in order to play the movable limiting role for the first spring, the operating mechanism further comprises a limiting rod, the middle of one end of the gear, which deviates from the connecting rod, is connected with the limiting rod, the other end of the limiting rod is connected inside the limiting barrel in a sliding manner, and the limiting rod is wound by the first spring.
Preferably, in order to conveniently limit the gear in the non-use state, a toothed hole groove matched with the outer edge of the gear is formed in the position, in which the gear is arranged, of the sleeve.
The utility model has the advantages that: when the medical cap is used, a medical worker holds the push cap to slightly push the push cap, the connecting rod pushes the gear, the gear is separated from the toothed limiting part on the inner wall of the sleeve, the first spring is compressed and deformed, then the push cap is rotated to drive the connecting rod to rotate, the connecting rod rotates to drive the first spring to rotate, the first spring drives the limiting barrel to rotate, the limiting barrel rotates to drive the abutting block to rotate, abut and slide on the inner wall of the sleeve, when the abutting block rotates to the position where the movable block is arranged on the sleeve, the abutting block pushes the movable block under the action of the resilience force of the second spring, meanwhile, the abutting block also enters the clamping groove where the movable block is arranged, the abutting block is limited, the limiting barrel is driven to be limited, the push cap is limited by the limiting barrel finally, at the moment, the push cap is released, the first spring returns to the original position, the gear is driven to return to the original position and limited, and, the condition that stem cell fluid leaks due to the fact that the push cap is touched by mistake before the device is used is avoided, and waste of the stem cell fluid is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal cross-sectional view of the piston mechanism shown in FIG. 1;
FIG. 3 is a schematic view of a coupling structure of the operating mechanism shown in FIG. 1;
FIG. 4 is a schematic view of the connection structure of the limiting mechanism shown in FIG. 3;
fig. 5 is a cross-sectional view of the sleeve of fig. 3 where a gear is provided.
In the figure: 1. the syringe comprises a main body mechanism, 11, a syringe main body, 12, a syringe end, 13, a needle head, 14, a scale strip, 15, a fixing band, 16, a buckle cap, 2, a piston mechanism, 21, a push rod, 22, a piston, 3, an operating mechanism, 31, a sleeve, 32, a connecting rod, 33, a push cap, 34, a mounting groove, 35, a movable block, 36, a gear, 37, a limiting rod, 38, a first spring, 4, a limiting mechanism, 41, a limiting cylinder, 42, a limiting groove, 43, a second spring end, 44, a second spring, 45 and a butting block.
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, a subretinal space stem cell transplantation device includes a main body mechanism 1, where the main body mechanism 1 includes a syringe main body 11, a syringe end 12 and a needle 13, one side of the syringe main body 11 is fixedly connected with the syringe end 12, the middle of one end of the syringe end 12 departing from the syringe main body 11 is fixedly connected with the needle 13, a piston mechanism 2 is disposed inside the syringe main body 11, the piston mechanism 2 includes a push rod 21 and a piston 22, the piston 22 is connected to the inside of the syringe main body 11 in a sliding and clamping manner, one end of the piston 22 departing from the needle 13 is fixedly connected with the push rod 21, one end of the push rod 21 departing from the piston 22 is connected with an operating mechanism 3, the operating mechanism 3 includes a sleeve 31, a mounting groove 34, a movable block 35, a gear 36 and a first spring 38, one end of the push rod 21 departing from the piston 22 is connected to the inside of the sleeve, the mounting groove 34 is arranged in the sleeve 31, the gear 36 is connected to one end of the sleeve 31, which is provided with the mounting groove 34, in a clamping and sliding manner, the first spring 38 is fixedly connected to the middle of one side of the gear 36, the movable block 35 is connected to the side wall of the sleeve 31 in a sliding and clamping manner, the limiting mechanism 4 is arranged in the sleeve 31, the limiting mechanism 4 comprises a limiting cylinder 41, a limiting groove 42, a second spring end 43, a second spring 44 and a supporting block 45, the limiting cylinder 41 is sleeved in the sleeve 31 in a sliding manner, one end of the limiting cylinder 41 is connected to one end of the push rod 21, which is far away from the piston 22, the limiting groove 42 is arranged on the side wall of the middle of the limiting cylinder 41, one end of the limiting groove 42 is fixedly connected with the second spring end 43, and the other end of the second spring end 43 is fixedly connected with the second spring 44, the other end of the second spring 44 is connected to the abutting block 45, and the other end of the abutting block 45 is connected to one side of the movable block 35.
As a technical optimization scheme of the utility model, main part mechanism 1 still includes scale bar 14, be equipped with on the lateral surface of cylinder main part 11 and be evenly distributed scale bar 14.
As a technical optimization scheme of the utility model, the main body mechanism 1 still includes fixed band 15 and knot cap 16, the one end fixedly connected with of 12 lateral walls in cylinder end 15 fixed band, the other end fixedly connected with of fixed band 15 knot cap 16.
As a technical optimization scheme of the utility model, operating mechanism 3 still includes connecting rod 32 and pushes away cap 33, sleeve 31 deviates from the one end slip block of push rod 21 is connected with connecting rod 32, the connecting rod 32 orientation sleeve 31's one end fixed connection in gear 36's middle part, connecting rod 32 deviates from gear 36's one end is connected with push away cap 33.
As a technical optimization scheme of the utility model, operating device 3 still includes gag lever post 37, gear 36 deviates from the one end middle part of connecting rod 32 is connected with gag lever post 37, the other end sliding connection of gag lever post 37 in the inside of a spacing section of thick bamboo 41, just gag lever post 37 quilt first spring 38 twines.
As a technical optimization scheme of the present invention, the position of the gear 36 in the sleeve 31 is provided with a tooth-shaped hole slot corresponding to the outer edge of the gear 36.
When the utility model is used, firstly, the medical staff holds the syringe main body 11 with one hand, holds the push cap 33 with the other hand, aims the needle 13 at the stem cell liquid to be transplanted, sucks the stem cell liquid into the syringe main body 11, and completes the preparation work of the device, then, the medical staff holds the push cap 33 to lightly push, the connecting rod 32 pushes the gear 36, the gear 36 is separated from the dentate limiting part on the inner wall of the sleeve 31, meanwhile, the first spring 38 is compressed and deformed, then the push cap 33 is rotated, the push cap 33 is rotated to drive the connecting rod 32 to rotate, the connecting rod 32 rotates to drive the first spring 38 to rotate, the first spring 38 drives the limiting cylinder 41 to rotate, the limiting cylinder 41 rotates to drive the abutting block 45 to rotate, abutting and sliding on the inner wall of the sleeve 31, when the abutting block 45 rotates to the position of the movable block 35 on the sleeve 31, the abutting block 45 pushes the movable block 35 under the resilience force of the second spring 44, meanwhile, the supporting block 45 also enters the clamping groove where the movable block 35 is located, the supporting block 45 is subjected to a limiting effect, so that the limiting cylinder 41 is driven to be subjected to the limiting effect, the limiting cylinder 41 finally enables the push cap 33 to be subjected to the limiting effect, at the moment, the push cap 33 is loosened, the first spring 38 returns to the original position, the gear 36 is driven to return to the original position to be limited, the push cap 33 is further limited, the situation that the push cap 33 is touched by mistake to cause leakage of the stem cell liquid before use is avoided, and waste of the stem cell liquid is avoided; when the transplanted stem cells need to be injected to a patient, the movable block 35 is pressed down, the push cap 33 is pushed at the same time, the push cap 33 is rotated after the gear 36 is not limited, when the abutting block 45 is separated from the clamping groove where the movable block 35 is located, the rotation of the push cap 33 is stopped, the needle 13 is pricked into the corresponding transplanted part of the patient, and the push cap 33 is pushed, so that the injection and transplantation process can be completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A subretinal space stem cell transplanter comprises a main body mechanism (1), and is characterized in that: main part mechanism (1) includes cylinder main part (11), cylinder end (12) and syringe needle (13), one side fixedly connected with of cylinder main part (11) cylinder end (12), cylinder end (12) deviate from the one end middle part fixedly connected with of cylinder main part (11) syringe needle (13), the inside of cylinder main part (11) is equipped with piston mechanism (2), piston mechanism (2) are including push rod (21) and piston (22), the inside slip block of cylinder main part (11) is connected with piston (22), piston (22) deviate from the one end fixedly connected with of syringe needle (13) push rod (21), push rod (21) deviate from the one end of piston (22) is connected with operating device (3), operating device (3) include sleeve (31), mounting groove (34), movable block (35), Gear (36) and first spring (38), the one end sliding connection that push rod (21) deviates from piston (22) in the inside of sleeve (31), the inside of sleeve (31) is equipped with mounting groove (34), be equipped with on sleeve (31) the one end block sliding connection at mounting groove (34) position has gear (36), one side middle part fixedly connected with of gear (36) first spring (38), sliding block is connected with on the lateral wall of sleeve (31) movable block (35), the inside of sleeve (31) is equipped with stop gear (4), stop gear (4) include spacing section of thick bamboo (41), spacing groove (42), second spring end (43), second spring (44) and support block (45), the inside sliding sleeve of sleeve (31) has spacing section of thick bamboo (41), the one end of spacing section of thick bamboo (41) connect in push rod (21) deviates from the one end of piston (22), the limiting groove (42) is formed in the side wall of the middle of the limiting barrel (41), one end of the limiting groove (42) is fixedly connected with the second spring end (43), the other end of the second spring end (43) is fixedly connected with the second spring (44), the other end of the second spring (44) is connected with the abutting block (45), and the other end of the abutting block (45) is connected to one side of the movable block (35).
2. The subretinal stem cell transplant device of claim 1, wherein: the main body mechanism (1) further comprises scale strips (14), and the scale strips (14) are uniformly distributed on the outer side surface of the needle cylinder main body (11).
3. The subretinal stem cell transplant device of claim 1, wherein: the main body mechanism (1) further comprises a fixing band (15) and a buckle cap (16), wherein one end of the outer side wall of the needle cylinder end (12) is fixedly connected with the fixing band (15), and the other end of the fixing band (15) is fixedly connected with the buckle cap (16).
4. The subretinal stem cell transplant device of claim 3, wherein: operating device (3) still include connecting rod (32) and push away cap (33), sleeve (31) deviate from the one end slip block of push rod (21) is connected with connecting rod (32), connecting rod (32) orientation the one end fixed connection of sleeve (31) in the middle part of gear (36), connecting rod (32) deviate from the one end of gear (36) is connected with push away cap (33).
5. The subretinal stem cell transplant device of claim 4, wherein: the operating mechanism (3) further comprises a limiting rod (37), the middle of one end, deviating from the connecting rod (32), of the gear (36) is connected with the limiting rod (37), the other end of the limiting rod (37) is connected to the inside of the limiting barrel (41) in a sliding mode, and the limiting rod (37) is wound by the first spring (38).
6. The subretinal stem cell transplant device of claim 1, wherein: the part of the sleeve (31) in which the gear (36) is arranged is provided with a toothed hole groove which is matched with the outer edge of the gear (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298600.5U CN210962594U (en) | 2019-08-12 | 2019-08-12 | Subretinal space stem cell transplanting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298600.5U CN210962594U (en) | 2019-08-12 | 2019-08-12 | Subretinal space stem cell transplanting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210962594U true CN210962594U (en) | 2020-07-10 |
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ID=71455399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921298600.5U Expired - Fee Related CN210962594U (en) | 2019-08-12 | 2019-08-12 | Subretinal space stem cell transplanting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210962594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317817A (en) * | 2021-05-21 | 2021-08-31 | 武汉凯进医疗技术有限公司 | Integrated wireless palm color Doppler ultrasound machine |
-
2019
- 2019-08-12 CN CN201921298600.5U patent/CN210962594U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113317817A (en) * | 2021-05-21 | 2021-08-31 | 武汉凯进医疗技术有限公司 | Integrated wireless palm color Doppler ultrasound machine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201130 Granted publication date: 20200710 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20231130 Granted publication date: 20200710 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |