CN213048874U - Local anesthesia equipment for anesthesia department - Google Patents
Local anesthesia equipment for anesthesia department Download PDFInfo
- Publication number
- CN213048874U CN213048874U CN202021332487.0U CN202021332487U CN213048874U CN 213048874 U CN213048874 U CN 213048874U CN 202021332487 U CN202021332487 U CN 202021332487U CN 213048874 U CN213048874 U CN 213048874U
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- China
- Prior art keywords
- guide rail
- block
- sliding
- limiting
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 18
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 18
- 238000002690 local anesthesia Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000003444 anaesthetic effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000003589 local anesthetic agent Substances 0.000 claims description 3
- 238000001949 anaesthesia Methods 0.000 claims 1
- 206010011409 Cross infection Diseases 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007830 nerve conduction Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 238000002694 regional anesthesia Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A local anesthesia device for anesthesia department comprises an installation barrel, a protective cover, a handle, a trigger, a first slide block, a first guide rail, a second slide block, a second guide rail, a limiting mechanism, a needle cylinder, a needle head, a piston, a push rod, a second installation block and a third guide rail; the protective cover, the handle, the first guide rail and the second guide rail are all arranged on the mounting cylinder; the first sliding block is arranged on the first guide rail in a sliding manner; the second sliding block is arranged on the second guide rail in a sliding manner; the first slide block and the second slide block are both connected with the needle cylinder; the needle head is sleeved on the needle cylinder, and one end of the needle head is positioned in the telescopic channel; the piston is arranged inside the needle cylinder in a sliding manner; the first sliding block is provided with a driving mechanism for driving the piston to move; the output end of the driving mechanism is connected with the push rod; the push rod is arranged on the piston; the trigger is rotationally arranged on the handle and is in sliding connection with the first sliding block. The utility model discloses a first guide rail and first slider make the cylinder can remove to in contracting flexible passageway with the syringe needle, avoid the syringe needle to infect.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a department of anesthesia uses local anesthesia equipment.
Background
Local anesthesia, also known as regional anesthesia, refers to the state of being blocked to some extent while the sensory nerve conduction function of a certain part of the body is temporarily blocked and the motor nerve conduction remains intact, by applying local anesthetic to the body part of a patient in a conscious state.
In the existing local anesthesia operation, a medical worker holds an anesthetic injector by hand, pricks a needle to a part of a patient needing anesthesia, and then pushes a piston rod to inject the anesthetic into the patient; multiple injections of anesthetic may be required in a single procedure due to its time-effectiveness; the needle head of the anesthetic is easily infected when exposed to the air, thus harming the safety of the patient; when the medical staff pushes the piston rod, hands of the medical staff shake when the anesthetic is injected due to different physical qualities of the medical staff, and pain of a patient is increased.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a local anesthesia equipment for anesthesia department, which can move a needle cylinder through a first guide rail and a first slide block, and the needle cylinder drives a needle head to move, so that the needle head is contracted into a telescopic channel, and the infection of the needle head is avoided; the driving mechanism is used for pushing the piston to move, so that the shaking of the needle cylinder during the movement of the piston can be effectively avoided; the syringe needle can be dismantled to conveniently change the syringe needle, avoid cross infection.
(II) technical scheme
The utility model provides a local anesthesia device for anesthesia department, which comprises an installation barrel, a protective cover, a handle, a trigger, a first slide block, a first guide rail, a second slide block, a second guide rail, a limiting mechanism, a needle cylinder, a needle head, a piston, a push rod, a second installation block and a third guide rail;
the protective cover, the handle, the first guide rail and the second guide rail are all arranged on the mounting cylinder; the mounting cylinder is in threaded connection with the protective cover; the first sliding block, the first guide rail, the second sliding block, the second guide rail, the needle cylinder, the push rod, the second mounting block and the third guide rail are all positioned in the mounting cylinder; the mounting cylinder is provided with a telescopic channel; the first sliding block is arranged on the first guide rail in a sliding manner; the second sliding block is arranged on the second guide rail in a sliding manner; the first slide block and the second slide block are both connected with the needle cylinder; the needle head is sleeved on the needle cylinder, and one end of the needle head is positioned in the telescopic channel; the piston is arranged inside the needle cylinder in a sliding manner; the first sliding block is provided with a driving mechanism for driving the piston to move; the output end of the driving mechanism is connected with the push rod; the push rod is arranged on the piston; the trigger is rotationally arranged on the handle and is in sliding connection with the first sliding block.
Preferably, the mounting cylinder is provided with a reset mechanism, a limiting mechanism and a third mounting block; the second guide rail is arranged on the third mounting block; a limiting groove is formed in the second sliding block; the reset mechanism comprises a limiting block and a first elastic piece; the limiting block is arranged on the second guide rail in a sliding manner and is connected with the needle cylinder; the first elastic piece is arranged on the outer peripheral side of the second guide rail, and two ends of the first elastic piece are respectively connected with the mounting cylinder and the limiting block; the limiting mechanism comprises a handle, a limiting shaft, a second elastic piece and a limiting plate; the limiting shaft is arranged on the mounting cylinder in a sliding manner, one end of the limiting shaft is positioned in the limiting groove, and the other end of the limiting shaft is connected with the handle; the limiting plate is arranged on the limiting shaft; the second elastic piece sets up the periphery side at spacing axle, and the both ends of second elastic piece are connected with installation section of thick bamboo and limiting plate respectively.
Preferably, a first mounting block, a second mounting block and a third guide rail are arranged in the mounting cylinder; the first mounting block and the second mounting block are both arranged on the first sliding block; two ends of the third guide rail are respectively arranged on the first mounting block and the second mounting block; the driving mechanism comprises a driving motor, a driving gear, a driven gear, a screw rod and a screw rod nut; the screw rod is rotatably arranged on the second mounting block; the screw rod nut is arranged on the third guide rail in a sliding mode, is in threaded connection with the screw rod and is arranged on the push rod; the driving motor is arranged on the first sliding block, and the output end of the driving motor is connected with the driving gear; the driving gear is meshed with the driven gear; the driven gear is arranged on the screw rod.
Preferably, the push rod is a hollow round pipe; one end of the screw rod is positioned in the push rod.
Preferably, the trigger is provided with a sliding groove; a sliding shaft is arranged on the first sliding block; the sliding shaft is positioned in the sliding groove and is in sliding connection with the sliding groove.
Preferably, a switch is arranged on the handle; the switch is electrically connected with the driving mechanism.
Preferably, the handle is provided with anti-slip lines.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
when the utility model is used, a user holds the handle by hand and then pulls the trigger, the trigger rotates to push the first slider to move, the first slider drives the needle cylinder to move, the needle cylinder drives the needle head to move, so that the needle head protrudes out of the telescopic channel, the limiting mechanism limits the second slider, and the second slider limits the needle cylinder, so that the needle head is fixed and the trigger is loosened; pricking the needle head on the body of a patient, starting the driving mechanism, pushing the push rod to move by the driving mechanism, and pushing the piston to move by the push rod, so that the anesthetic in the needle cylinder is pushed into the body of the patient; after anesthesia is finished, the needle head is pulled out of the patient; pulling the limiting mechanism, and releasing the limiting of the second sliding block by the limiting mechanism; the needle cylinder is reset under the pushing of the resetting mechanism; when the needle head is replaced, the protective cover is firstly unscrewed, then the trigger is pulled, so that the needle head protrudes out of the telescopic channel, the old needle head is taken down, and the new needle head is replaced; the needle cylinder can move through the first guide rail and the first sliding block, and the needle cylinder drives the needle head to move, so that the needle head is retracted into the telescopic channel, and the infection of the needle head is avoided; the driving mechanism is used for pushing the piston to move, so that the shaking of the needle cylinder during the movement of the piston can be effectively avoided; the syringe needle can be dismantled to conveniently change the syringe needle, avoid cross infection.
Drawings
Fig. 1 is a schematic structural view of a local anesthesia apparatus for anesthesia department of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Reference numerals: 1. mounting the cylinder; 101. a telescopic channel; 2. a protective cover; 3. a handle; 4. a trigger; 401. a sliding groove; 5. a first slider; 501. a sliding shaft; 6. a first guide rail; 7. a second slider; 701. a limiting groove; 8. a second guide rail; 9. a limiting block; 10. a first elastic member; 11. a limiting mechanism; 1101. a handle; 1102. a limiting shaft; 1103. a second elastic member; 1104. a limiting plate; 12. a needle cylinder; 13. a needle head; 14. a piston; 15. a push rod; 16. a first mounting block; 17. a drive mechanism; 1701. a drive motor; 1702. a driving gear; 1703. a driven gear; 1704. a screw rod; 1705. a feed screw nut; 18. a second mounting block; 19. a third guide rail; 20. a switch; 21. and a third mounting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the local anesthesia apparatus for anesthesia department of the present invention comprises an installation tube 1, a protection cover 2, a handle 3, a trigger 4, a first slider 5, a first guide rail 6, a second slider 7, a second guide rail 8, a limiting mechanism 11, a needle cylinder 12, a needle 13, a piston 14, a push rod 15, a second installation block 18 and a third guide rail 19;
the protective cover 2, the handle 3, the first guide rail 6 and the second guide rail 8 are all arranged on the mounting cylinder 1; the mounting cylinder 1 is in threaded connection with the protective cover 2; the first sliding block 5, the first guide rail 6, the second sliding block 7, the second guide rail 8, the needle cylinder 12, the push rod 15, the second mounting block 18 and the third guide rail 19 are all positioned in the mounting cylinder 1; the installation cylinder 1 is provided with a telescopic channel 101; the first sliding block 5 is arranged on the first guide rail 6 in a sliding manner; the second sliding block 7 is arranged on the second guide rail 8 in a sliding manner; the first slide block 5 and the second slide block 7 are both connected with the needle cylinder 12; the needle head 13 is sleeved on the needle cylinder 12, and one end of the needle head 13 is positioned in the telescopic channel 101; the piston 14 is slidingly arranged inside the syringe 12; the first slide block 5 is provided with a driving mechanism 17 for driving the piston 14 to move; the output end of the driving mechanism 17 is connected with the push rod 15; the push rod 15 is arranged on the piston 14; the trigger 4 is rotatably arranged on the handle 3, and the trigger 4 is connected with the first slide block 5 in a sliding way.
In an alternative embodiment, the mounting cylinder 1 is provided with a reset mechanism, a limiting mechanism 11 and a third mounting block 21; the second guide rail 8 is arranged on the third mounting block 21; the second sliding block 7 is provided with a limit groove 701; the reset mechanism comprises a limiting block 9 and a first elastic piece 10; the limiting block 9 is arranged on the second guide rail 8 in a sliding manner, and the limiting block 9 is connected with the needle cylinder 12; the first elastic piece 10 is arranged on the outer peripheral side of the second guide rail 8, and two ends of the first elastic piece 10 are respectively connected with the mounting cylinder 1 and the limiting block 9; the limiting mechanism 11 comprises a handle 1101, a limiting shaft 1102, a second elastic piece 1103 and a limiting plate 1104; the limiting shaft 1102 is arranged on the mounting barrel 1 in a sliding mode, one end of the limiting shaft 1102 is located in the limiting groove 701, and the other end of the limiting shaft 1102 is connected with the handle 1101; the limit plate 1104 is arranged on the limit shaft 1102; the second elastic member 1103 is disposed on the outer peripheral side of the stopper shaft 1102, and both ends of the second elastic member 1103 are connected to the mounting tube 1 and the stopper plate 1104, respectively.
It should be noted that, when the needle 13 is extended, the first slider 5 moves to drive the needle cylinder 12 to move, and the needle cylinder 12 drives the second slider 7 and the needle 13 to move; when the limiting groove 701 of the second slider 7 moves to the lower side of the limiting shaft 1102, the second elastic element 1103 pushes the limiting plate 1104 to move, and the limiting plate 1104 drives the limiting shaft 1102 to move, so that the limiting shaft 1102 is clamped in the limiting groove 701 for limiting; when the needle 13 needs to be retracted, the handle 1101 is pulled, the handle 1101 drives the limiting shaft 1102 to move, so that the limiting shaft 1102 is separated from the limiting groove 701, and limiting is released; the first elastic piece 10 pushes the limiting block 9 to move, the limiting block 9 drives the needle cylinder 12 to move, and the needle cylinder 12 drives the needle head 13 and the second sliding block 7 to move, so that the limiting shaft 1102 is far away from the upper part of the limiting groove 701; the syringe 12 is reset under the action of the reset mechanism; the needle is retracted.
In an alternative embodiment, a first mounting block 16, a second mounting block 18 and a third guide rail 19 are arranged in the mounting tube 1; the first mounting block 16 and the second mounting block 18 are both arranged on the first sliding block 5; both ends of the third guide rail 19 are respectively arranged on the first mounting block 16 and the second mounting block 18; the driving mechanism 17 includes a driving motor 1701, a driving gear 1702, a driven gear 1703, a screw 1704, and a screw nut 1705; the screw 1704 is rotatably arranged on the second mounting block 18; the screw nut 1705 is arranged on the third guide rail 19 in a sliding mode, the screw nut 1705 is in threaded connection with the screw 1704, and the screw nut 1705 is arranged on the push rod 15; the driving motor 1701 is arranged on the first slide block 5, and the output end of the driving motor 1701 is connected with the driving gear 1702; the driving gear 1702 is meshed with the driven gear 1703; a driven gear 1703 is provided on the screw 1704.
In an alternative embodiment, the push rod 15 is a hollow circular tube; one end of the lead screw 1704 is located within the push rod 15.
It should be noted that the hollow circular tube is provided to prevent the push rod 15 from hitting the lead screw 1704 when moving backward.
In an alternative embodiment, the handle 3 is provided with anti-slip threads.
It should be noted that the driving motor 1701 drives the driving gear 1702 to rotate, the driving gear 1702 is in meshed transmission with the driven gear 1703, the driven gear 1703 drives the screw 1704 to rotate, and the screw 1704 drives the screw nut 1705 to move. The feed screw nut 1705 drives the push rod 15 to move.
In an alternative embodiment, the trigger 4 is provided with a slide slot 401; the first slider 5 is provided with a sliding shaft 501; the sliding shaft 501 is located in the sliding groove 401, and the sliding shaft 501 is slidably connected with the sliding groove 401.
It should be noted that, when the trigger 4 is rotated, the trigger 4 pushes the sliding shaft 501 to move, and the sliding shaft 501 slides in the sliding groove 401, so that the sliding shaft 501 drives the first slider 5 to move.
In an alternative embodiment, the handle 3 is provided with a switch 20; the switch 20 is electrically connected to the driving mechanism 17.
It should be noted that the switch 20 facilitates controlling the movement of the output of the driving mechanism 17.
It should be noted that the anti-slip lines enable a user to better hold the handle 3, thereby improving the stability of the novel use.
When the utility model is used, a user holds the handle 3 by hand, then pulls the trigger 4, the trigger 4 rotates to push the first slider 5 to move, the first slider 5 drives the needle cylinder 12 to move, the needle cylinder 12 drives the needle head 13 to move, so that the needle head 13 protrudes out of the telescopic channel 101, the limiting mechanism 11 limits the second slider 7, the second slider 7 limits the needle cylinder 12, so that the needle head 13 is fixed, and the trigger 4 is loosened; pricking the needle 13 to the patient, starting the driving mechanism 17, wherein the driving mechanism 17 pushes the push rod 15 to move, and the push rod 15 pushes the piston 14 to move, so that the anesthetic in the needle cylinder 12 is pushed to the patient; after the anesthesia is finished, the needle head 13 is pulled out of the patient; pulling the limiting mechanism 11, and releasing the limiting of the second sliding block 7 by the limiting mechanism 11; the syringe 12 is reset under the push of the reset mechanism; the needle head 13 is sleeved on the needle cylinder 12, so that the needle head 13 can be conveniently replaced, when the needle head 13 is replaced, the protective cover 2 is firstly unscrewed, the trigger 4 is pulled, the needle head 13 protrudes out of the telescopic channel 101, the old needle head 13 is taken down, and the needle head 13 is replaced with a new needle head 13.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A local anesthesia device for anesthesia department is characterized by comprising an installation barrel (1), a protective cover (2), a handle (3), a trigger (4), a first sliding block (5), a first guide rail (6), a second sliding block (7), a second guide rail (8), a limiting mechanism (11), a needle cylinder (12), a needle head (13), a piston (14), a push rod (15), a second installation block (18) and a third guide rail (19);
the protective cover (2), the handle (3), the first guide rail (6) and the second guide rail (8) are all arranged on the mounting cylinder (1); the mounting cylinder (1) is in threaded connection with the protective cover (2); the first sliding block (5), the first guide rail (6), the second sliding block (7), the second guide rail (8), the needle cylinder (12), the push rod (15), the second mounting block (18) and the third guide rail (19) are all positioned inside the mounting cylinder (1); a telescopic channel (101) is arranged on the mounting cylinder (1); the first sliding block (5) is arranged on the first guide rail (6) in a sliding manner; the second sliding block (7) is arranged on the second guide rail (8) in a sliding manner; the first sliding block (5) and the second sliding block (7) are both connected with the needle cylinder (12); the needle head (13) is sleeved on the needle cylinder (12), and one end of the needle head (13) is positioned in the telescopic channel (101); the piston (14) is arranged inside the syringe (12) in a sliding way; the first sliding block (5) is provided with a driving mechanism (17) for driving the piston (14) to move; the output end of the driving mechanism (17) is connected with the push rod (15); the push rod (15) is arranged on the piston (14); the trigger (4) is rotatably arranged on the handle (3), and the trigger (4) is in sliding connection with the first sliding block (5).
2. The local anesthesia apparatus for anesthesia department as claimed in claim 1, wherein the mounting cylinder (1) is provided with a reset mechanism, a limit mechanism (11) and a third mounting block (21); the second guide rail (8) is arranged on the third mounting block (21); a limit groove (701) is arranged on the second sliding block (7); the reset mechanism comprises a limiting block (9) and a first elastic piece (10); the limiting block (9) is arranged on the second guide rail (8) in a sliding manner, and the limiting block (9) is connected with the needle cylinder (12); the first elastic piece (10) is arranged on the outer peripheral side of the second guide rail (8), and two ends of the first elastic piece (10) are respectively connected with the mounting cylinder (1) and the limiting block (9); the limiting mechanism (11) comprises a handle (1101), a limiting shaft (1102), a second elastic piece (1103) and a limiting plate (1104); the limiting shaft (1102) is arranged on the mounting barrel (1) in a sliding mode, one end of the limiting shaft (1102) is located in the limiting groove (701), and the other end of the limiting shaft (1102) is connected with the handle (1101); the limiting plate (1104) is arranged on the limiting shaft (1102); the second elastic piece (1103) is arranged on the outer peripheral side of the limiting shaft (1102), and two ends of the second elastic piece (1103) are respectively connected with the mounting cylinder (1) and the limiting plate (1104).
3. The local anesthesia apparatus for anesthesia department of claim 1, wherein a first mounting block (16), a second mounting block (18) and a third guide rail (19) are arranged in the mounting tube (1); the first mounting block (16) and the second mounting block (18) are both arranged on the first sliding block (5); two ends of the third guide rail (19) are respectively arranged on the first mounting block (16) and the second mounting block (18); the driving mechanism (17) comprises a driving motor (1701), a driving gear (1702), a driven gear (1703), a screw rod (1704) and a screw rod nut (1705); the screw rod (1704) is rotatably arranged on the second mounting block (18); the screw nut (1705) is arranged on the third guide rail (19) in a sliding mode, the screw nut (1705) is in threaded connection with the screw (1704), and the screw nut (1705) is arranged on the push rod (15); the driving motor (1701) is arranged on the first sliding block (5), and the output end of the driving motor (1701) is connected with the driving gear (1702); the driving gear (1702) is meshed with the driven gear (1703); the driven gear (1703) is provided on the lead screw (1704).
4. A local anesthetic apparatus for anesthesia department according to claim 3, wherein the push rod (15) is a hollow circular tube; one end of the screw rod (1704) is positioned in the push rod (15).
5. A local anesthetic apparatus for anesthesia department as claimed in claim 1, wherein the trigger (4) is provided with a sliding groove (401); a sliding shaft (501) is arranged on the first sliding block (5); the sliding shaft (501) is positioned in the sliding groove (401), and the sliding shaft (501) is connected with the sliding groove (401) in a sliding mode.
6. A local anaesthetic apparatus for department of anaesthesia as claimed in claim 1 characterised in that a switch (20) is provided on the handle (3); the switch (20) is electrically connected with the driving mechanism (17).
7. The local anesthesia apparatus for anesthesia department as claimed in claim 1, wherein the handle (3) is provided with anti-slip lines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021332487.0U CN213048874U (en) | 2020-07-08 | 2020-07-08 | Local anesthesia equipment for anesthesia department |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021332487.0U CN213048874U (en) | 2020-07-08 | 2020-07-08 | Local anesthesia equipment for anesthesia department |
Publications (1)
Publication Number | Publication Date |
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CN213048874U true CN213048874U (en) | 2021-04-27 |
Family
ID=75571478
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Application Number | Title | Priority Date | Filing Date |
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CN202021332487.0U Expired - Fee Related CN213048874U (en) | 2020-07-08 | 2020-07-08 | Local anesthesia equipment for anesthesia department |
Country Status (1)
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CN (1) | CN213048874U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114469278A (en) * | 2022-01-19 | 2022-05-13 | 刘前生 | Orthopedics department joint hydrops extraction equipment |
-
2020
- 2020-07-08 CN CN202021332487.0U patent/CN213048874U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114469278A (en) * | 2022-01-19 | 2022-05-13 | 刘前生 | Orthopedics department joint hydrops extraction equipment |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |
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CF01 | Termination of patent right due to non-payment of annual fee |