CN117357748B - Anesthetic injection device for nerve block anesthesia - Google Patents
Anesthetic injection device for nerve block anesthesia Download PDFInfo
- Publication number
- CN117357748B CN117357748B CN202311453031.8A CN202311453031A CN117357748B CN 117357748 B CN117357748 B CN 117357748B CN 202311453031 A CN202311453031 A CN 202311453031A CN 117357748 B CN117357748 B CN 117357748B
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- clamping
- support
- rod
- bracket
- pushing
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- 238000002347 injection Methods 0.000 title claims abstract description 51
- 239000007924 injection Substances 0.000 title claims abstract description 51
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 28
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 28
- 210000005036 nerve Anatomy 0.000 title claims abstract description 20
- 230000003444 anaesthetic effect Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 38
- 230000006835 compression Effects 0.000 claims description 34
- 238000007906 compression Methods 0.000 claims description 34
- 230000035515 penetration Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003589 local anesthetic agent Substances 0.000 description 1
- 229960005015 local anesthetics Drugs 0.000 description 1
- 210000000578 peripheral nerve Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/46—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for controlling depth of insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M19/00—Local anaesthesia; Hypothermia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/42—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2209/00—Ancillary equipment
- A61M2209/08—Supports for equipment
- A61M2209/082—Mounting brackets, arm supports for equipment
Landscapes
- Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides an anesthetic injection device for nerve block anesthesia, which relates to the technical field of medical equipment and comprises a clamping mechanism, wherein the front end of the clamping mechanism is slidably provided with a positioning mechanism, the positioning mechanism comprises a detection positioning plate, a support slide block is slidably arranged on the detection positioning plate, a first sliding support rod is rotatably arranged on the support slide block, a ratchet connecting block is fixedly arranged at the bottom of the detection positioning plate, a second sliding support rod is rotatably arranged on the ratchet connecting block, a first positioning slide block is slidably arranged on the second sliding support rod, a ratchet plate is fixedly arranged in the middle of the first positioning slide block, and the ratchet plate on the first positioning slide block is matched with a ratchet of the ratchet connecting block; the positioning mechanism can adjust the angle during injection according to the requirement, so that arm fatigue caused by long-time holding of the needle cylinder by a doctor is avoided; the limiting mechanism can fix the penetration depth of the needle head during injection and can be pulled out in time when needed.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an anesthetic injection device for nerve block anesthesia.
Background
Nerve block anesthesia refers to the injection of local anesthetics near the peripheral nerve trunk to anesthetize the region innervated by the nerve impulse by blocking its conduction.
However, the nerve blocking operation at the present stage is mostly completed by two people, one of the people holds the puncture needle to puncture, the other person is responsible for pushing and injecting the gunpowder to perform local blocking, the operation process is relatively complicated, misoperation is easy to occur, the medicine injection process is not completed by the puncture person, meanwhile, the needle tube is supported for a long time to enable the hand of the puncture doctor to be tired, the needle head is caused to deviate, secondary injury is caused to a patient, the puncture person cannot feel the medicine injection process, risks such as high-tension injection cannot be found in time, and the operation safety is reduced.
The invention provides an automatic medicine injection device for nerve block, which is characterized in that a driving mechanism drives a piston handle of a needle to slide to realize single-person operation for anesthesia injection, and when a doctor injects, a medicine injection button and a back-drawing button on a needle holding handle are pressed to control the driving mechanism to move to realize single-person operation injection and back-drawing operation.
However, the doctor still needs to hold the injection device during injection, long-time holding leads to hand fatigue, needle deviation and inaccurate judgment of medicament pressure.
The invention provides an anesthetic injection device for nerve block anesthesia.
Disclosure of Invention
The invention provides an anesthetic injection device for nerve block anesthesia, which comprises a clamping mechanism, wherein the clamping mechanism comprises a first clamping bracket and a second clamping bracket, a plurality of limiting rods are fixedly arranged at the top of the second clamping bracket, the first clamping bracket is in sliding fit with the limiting rods on the second clamping bracket, the front end of the clamping mechanism is slidably provided with a positioning mechanism, the positioning mechanism comprises a detection positioning plate, the detection positioning plate is slidably provided with a supporting slide block, the supporting slide block is rotatably provided with a first sliding support rod, the bottom of the detection positioning plate is fixedly provided with a ratchet connecting block, the ratchet connecting block is rotatably provided with a second sliding support rod, the first sliding support rod is slidably arranged at the front end of the first clamping bracket, a compression spring is fixedly arranged between the first sliding support rod and the first clamping bracket, the second sliding support rod is slidably arranged at the front end of the second clamping bracket, the second sliding support rod is fixedly provided with a compression spring, the second sliding support rod is slidably arranged at the front end of the second clamping bracket, the second sliding support rod is provided with a first positioning slide block, the middle of the first positioning slide block is fixedly provided with a ratchet plate, the ratchet plate on the first positioning block is rotatably matched with ratchet positioning blocks, the ratchet connecting blocks on the first positioning slide block are rotatably arranged at two sides of the ratchet connecting block, and the first connecting block is rotatably provided with two sides of the first connecting block, and the first connecting block is fixedly provided with a tension spring, and the first connecting block is rotatably arranged at two sides of the first connecting block and fixed at the top of the connecting block; the front end of the bottom of the second clamping support is fixedly provided with a limiting mechanism, the limiting mechanism comprises a limiting support, the limiting support is slidably arranged at the bottom of the second clamping support, the limiting mechanism comprises a third adjusting threaded rod, the third adjusting threaded rod is rotatably arranged at the bottom of the second clamping support, the limiting support is matched with a third adjusting threaded rod screw rod, a first adjusting rod is transversely rotatably arranged in the limiting support, the bottom of the first adjusting rod is fixedly provided with a bevel gear, a fourth adjusting threaded rod is longitudinally rotatably arranged in the limiting support, the bottom of the fourth adjusting threaded rod is fixedly provided with a bevel gear, the bevel gear on the first adjusting rod is meshed with the bevel gear on the fourth adjusting threaded rod, a hollow sliding rod is slidably arranged in the fourth adjusting threaded rod, the hollow sliding rod is matched with the fourth adjusting threaded rod screw rod, two sides of the hollow sliding rod are provided with limiting pawls, inclined surfaces on the limiting pawls are slidably matched with the inner sides of the limiting support, and compression springs are fixedly arranged between the limiting pawls and the hollow sliding rod; the bottom of the second sliding support rod is provided with a clamping groove, and the limiting pawl is matched with the clamping groove at the bottom of the second sliding support rod.
Further, a compression spring is fixedly installed between the top of the limiting rod on the second clamping support and the top of the first clamping support, a first clamping plate is installed on the first clamping support in a sliding mode, a threaded rod is fixedly installed in the middle of the first clamping plate 201, an adjusting rotating wheel is rotatably installed at the top of the first clamping support and matched with a threaded rod screw rod on the first clamping plate, a second clamping plate is installed in the second clamping support in a sliding mode, and a compression spring is fixedly installed between the bottom of the second clamping plate and the second clamping support.
Further, driving motors are fixedly installed at the top of the first clamping support and the bottom of the second clamping support, gears are fixedly installed on the driving motors, transmission threaded rods are rotatably installed on the first clamping support and the second clamping support, gears are fixedly installed at the top of the transmission threaded rods, the gears on the transmission threaded rods are meshed with the gears on the driving motors, an injection mechanism is slidably installed at the rear end of the clamping mechanism, the injection mechanism comprises a first pushing support and a second pushing support, the first pushing support is slidably installed on the first clamping support, transmission rods are fixedly installed on the first pushing support and the second pushing support, racks are fixedly installed on the transmission rods, the transmission rods on the first pushing support are slidably installed in the first clamping support and matched with the transmission threaded rods in the first clamping support, the transmission rods on the second pushing support are slidably installed in the second clamping support and matched with the transmission threaded rods in the second clamping support, a pushing top plate is slidably installed on the first pushing support and the second pushing support, and a second adjusting pushing support is rotatably installed on the first pushing support and the second pushing support respectively, and the second adjusting pushing support is matched with the threaded rods.
Further, fixed sliding grooves are respectively formed in the two sides of the first propulsion support and the second propulsion support, a positioning rod is slidably arranged in the sliding grooves in the left sides of the first propulsion support and the second propulsion support, and magnets are fixedly arranged at the upper end and the lower end of the sliding grooves in the left sides of the first propulsion support and the second propulsion support.
Further, a transmission rod fixedly arranged on the first propulsion bracket is provided with an indicating needle.
Further, the first adjusting threaded rod is rotatably arranged on the left side of the second clamping support, the limiting rod is slidably arranged on the left side of the second clamping support, the indicating needle is fixedly arranged on the limiting rod, the rack is fixedly arranged at the bottom of the limiting rod, and the rack on the limiting rod is matched with the first adjusting threaded rod.
Further, a second positioning slide block is slidably arranged at the bottom of the second pushing support, a compression spring is fixedly arranged between the top of the second positioning slide block and the bottom of the second pushing support, and the second positioning slide block is in contact fit with the top of the limiting rod.
Further, second centre gripping support bottom fixed mounting has supporting mechanism, and supporting mechanism includes first bracing piece, and first bracing piece slidable mounting is in the bottom of second centre gripping support rear side, and fixed mounting has compression spring between first bracing piece rear end and the second centre gripping support, and slidable mounting has the second bracing piece in the first bracing piece, and first bracing piece both sides slidable mounting has the clamp slide, and fixed mounting has compression spring between clamp slide and the first bracing piece, and first bracing piece both sides rotary mounting has the clamp handle, and fixed mounting has the cam on the clamp handle, cam on the clamp handle and clamp slide sliding fit.
Further, first bracing piece top fixed mounting has the ratchet, and supporting mechanism includes slider and ratchet slider that resets, and ratchet slider slidable mounting is in second centre gripping support bottom both sides, and ratchet slider cooperates with the ratchet at first bracing piece top, and fixed mounting has compression spring between the second centre gripping support, and slider slidable mounting resets is in second centre gripping support bottom, and fixed mounting has compression spring between slider bottom and the second centre gripping support, is equipped with the triangle spout on the second grip block, and second grip block both sides fixed mounting has the cylinder key, the cylinder key on the slider that resets and the triangle spout sliding fit on the ratchet slider.
Compared with the prior art, the invention has the beneficial effects that: (1) The positioning mechanism can adjust the angle during injection according to the requirement, so that the problem that a doctor holds the needle cylinder for a long time to cause arm fatigue and the needle head shakes to cause damage to a patient is avoided; (2) The limiting mechanism can fix the penetration depth of the needle head during injection and can be pulled out in time when needed; (3) The supporting mechanism can support the equipment during injection, and a doctor is not required to support the equipment, so that the doctor can observe the condition of a patient with free time, and the anesthesia operation can be independently completed.
Drawings
FIG. 1 is a schematic top view of the present invention.
Fig. 2 is a right side structure schematic diagram of the present invention.
Fig. 3 is a schematic view of the bottom structure of the present invention.
Fig. 4 is a schematic diagram of the overall structure of the present invention.
Fig. 5 is a right side cut-away schematic view of the present invention.
FIG. 6 is a schematic diagram of the overall semi-section structure of the present invention.
Fig. 7 is a schematic view of the left side cut-away structure of the present invention.
Fig. 8 is a schematic view showing a bottom cut-away structure of a second clamping bracket according to the present invention.
Fig. 9 is a schematic sectional view of a limiting mechanism of the present invention.
FIG. 10 is a schematic view of a positioning mechanism according to the present invention in a cut-away configuration.
Fig. 11 is an enlarged schematic view of the structure at A1 in fig. 4.
Fig. 12 is an enlarged schematic view of the structure at B1 in fig. 5.
Fig. 13 is an enlarged schematic view of the structure at C1 in fig. 6.
Fig. 14 is an enlarged schematic view of the structure at D1 in fig. 8.
Fig. 15 is an enlarged schematic view of the structure at E1 in fig. 9.
Fig. 16 is an enlarged schematic view of the structure at F1 in fig. 10.
Reference numerals: 1-a positioning mechanism; 2-a clamping mechanism; 3-an injection mechanism; 4-a supporting mechanism; 5-a limiting mechanism; 101-detecting a positioning plate; 102-supporting a slider; 103-a first sliding support bar; 104-a second sliding support bar; 105-a first positioning slider; 106-a first spring connection block; 107-ratchet connection blocks; 108-a second spring connection block; 201-a first clamping plate; 202-adjusting the rotating wheel; 203-a first clamping bracket; 204-a second clamping plate; 205-a second clamping bracket; 206-driving a threaded rod; 207-driving a motor; 208-limit rods; 209-a first adjusting threaded rod; 301-a first pusher carriage; 302-a second adjusting threaded rod; 303-pushing the top plate; 304-a second pusher carriage; 305-a transmission rod; 306-positioning rod; 307-second positioning slide; 401-a first support bar; 402-a second support bar; 403-clamping the slider; 404-clamping the handle; 405-resetting the slider; 406-a ratchet slider; 501-a limiting bracket; 502-a third adjusting threaded rod; 503-a first adjusting lever; 504-fourth adjustment threaded rod; 505-limit pawl; 506-hollow slide block.
Detailed Description
The technical scheme provided by the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 16, an anesthetic injection device for nerve block anesthesia comprises a clamping mechanism 2, the clamping mechanism 2 comprises a first clamping bracket 203 and a second clamping bracket 205, a plurality of limiting rods are fixedly mounted on the top of the second clamping bracket 205, the first clamping bracket 203 is in sliding fit with the limiting rods on the second clamping bracket 205, a compression spring is fixedly mounted between the top of the limiting rods on the second clamping bracket 205 and the top of the first clamping bracket 203, a first clamping plate 201 is slidably mounted on the first clamping bracket 203, a threaded rod is fixedly mounted in the middle of the first clamping plate 201, an adjusting runner 202 is rotatably mounted on the top of the first clamping bracket 203, the adjusting runner 202 is matched with a screw rod on the first clamping plate 201, a second clamping plate 204 is slidably mounted on the second clamping bracket 205, a compression spring is fixedly mounted between the bottom of the second clamping plate 204 and the second clamping bracket 205, simultaneously, a needle tube is clamped through the first clamping plate 201 and the second clamping plate 204, the needle tube is prevented from being clamped between the first clamping bracket 203 and the second clamping bracket 203, the threaded rod is further clamped by the adjusting runner 202 through the adjusting runner 202, and the threaded rod is further ensured to be stably clamped by the adjusting runner 202.
As shown in fig. 1 to 16, the front end of the clamping mechanism 2 is slidably provided with a positioning mechanism 1, the positioning mechanism 1 comprises a detection positioning plate 101, the detection positioning plate 101 is used for ultrasonically detecting a puncture part, meanwhile, the puncture position of a needle is positioned, a support slide block 102 is slidably arranged on the detection positioning plate 101, a first sliding support rod 103 is rotatably arranged on the support slide block 102, a ratchet connection block 107 is fixedly arranged at the bottom of the detection positioning plate 101, a second sliding support rod 104 is rotatably arranged on the ratchet connection block 107, a compression spring is fixedly arranged between the first sliding support rod 103 and the first clamping support 203, a second sliding support rod 104 is slidably arranged at the front end of the second clamping support 205, a compression spring is fixedly arranged between the second sliding support rod 104 and the second clamping support 205, a first positioning slide block 105 is slidably arranged on the second sliding support rod 104, a ratchet connection block 107 is fixedly arranged in the middle of the first positioning slide block 105, a ratchet plate on the first positioning slide block 105 is matched with a ratchet connection block 107, a ratchet plate is fixedly matched with the ratchet connection block 107, a compression spring is fixedly arranged between the detection positioning plate 101 and the first positioning block, an included angle between the first sliding support block 106 and the first connecting block is further matched with the first compression spring 106, and the first positioning block 106 is rotatably arranged at the two sides of the first connection block 106, and the compression spring is more tightly arranged at the compression spring 106, and the compression spring is more matched with the first connection block 106, and the compression spring is rotatably arranged at the connection block 106, when the angle is required to be adjusted, the first positioning slide block 105 is slid backwards, so that the ratchet plate is separated from the ratchet connecting block 107, the detection positioning plate 101 is driven to rotate by the tension spring, the first positioning slide block 105 is released after the detection positioning plate returns to the original position, the first positioning slide block 105 is driven by the tension spring to slide forwards on the second sliding support rod 104 and is matched with the ratchet connecting block 107, and then the detection positioning plate 101 can be pulled to perform angle adjustment.
As shown in fig. 1 to 16, a limiting mechanism 5 is fixedly arranged at the front end of the bottom of the second clamping bracket 205, the limiting mechanism 5 comprises a limiting bracket 501, the limiting bracket 501 is slidably arranged at the bottom of the second clamping bracket 205, the limiting mechanism 5 comprises a third adjusting threaded rod 502, the third adjusting threaded rod 502 is rotatably arranged at the bottom of the second clamping bracket 205, the limiting bracket 501 is matched with a screw rod of the third adjusting threaded rod 502, the limiting bracket 501 is driven to slide in the second clamping bracket 205 by rotating the third adjusting threaded rod 502, the sliding distance of the second sliding supporting rod 104 in the second clamping bracket 205 can be limited, so as to limit the depth of a needle penetration, a first adjusting rod 503 is transversely and rotatably arranged in the limiting bracket 501, a bevel gear is fixedly arranged at the bottom of the first adjusting rod 503, a fourth adjusting threaded rod 504 is longitudinally and rotatably arranged in the limiting bracket 501, a bevel gear is fixedly arranged at the bottom of the fourth adjusting threaded rod 504, the bevel gear on the first adjusting rod 503 is meshed with the bevel gear on the fourth adjusting threaded rod 504, a hollow slide block 506 is slidably arranged on the fourth adjusting threaded rod 504, the hollow slide block 506 is matched with the screw rod of the fourth adjusting threaded rod 504, a limit pawl 505 is slidably arranged on two sides of the hollow slide block 506, an inclined plane is arranged on the limit pawl 505, the inclined plane on the limit pawl 505 is slidably matched with the inner side of the limit bracket 501, a compression spring is fixedly arranged between the limit pawl 505 and the hollow slide block 506, a clamping groove is arranged at the bottom of the second sliding support rod 104, the limit pawl 505 is matched with the clamping groove at the bottom of the second sliding support rod 104, after the limit pawl 505 is matched with the clamping groove at the bottom of the second sliding support rod 104, the second sliding support rod 104 is fixed on the limit bracket 501, the second sliding support rod 104 is enabled not to slide any more, the position after the needle is penetrated is fixed, when the needle is required to be pulled out, the first adjusting rod 503 is rotated to drive the fourth adjusting threaded rod 504 to rotate, the fourth adjusting threaded rod 504 is rotated to drive the hollow sliding block 506 to slide backwards in the limiting support 501, the limiting pawl 505 is in sliding fit with the limiting support 501, the limiting pawl 505 is driven to retract into the hollow sliding block 506, the limiting pawl 505 is no longer matched with the clamping groove on the second sliding supporting rod 104, the second sliding supporting rod 104 is restored to the original position through a spring, and the second clamping support 205 is lifted up through a reaction force to pull out the needle.
As shown in fig. 1 to 16, a driving motor 207 is fixedly installed at the top of the first clamping bracket 203 and the bottom of the second clamping bracket 205, a gear is fixedly installed on the driving motor 207, a transmission threaded rod 206 is rotatably installed on the first clamping bracket 203 and the second clamping bracket 205, a gear is fixedly installed at the top of the transmission threaded rod 206, the gear on the transmission threaded rod 206 is meshed with the gear on the driving motor 207, an injection mechanism 3 is slidingly installed at the rear end of the clamping mechanism 2, the injection mechanism 3 comprises a first pushing bracket 301 and a second pushing bracket 304, the first pushing bracket 301 is slidingly installed on the first clamping bracket 203, the first pushing support 301 and the second pushing support 304 are fixedly provided with a transmission rod 305, the transmission rod 305 is fixedly provided with a rack, the transmission rod 305 on the first pushing support 301 is slidably arranged in the first clamping support 203 and matched with a transmission threaded rod 206 screw rod in the first clamping support 203, the transmission rod 305 on the second pushing support 304 is slidably arranged in the second clamping support 205 and matched with a transmission threaded rod 206 screw rod in the second clamping support 205, the first pushing support 301 and the second pushing support 304 are respectively slidably provided with a pushing top plate 303, the first pushing support 301 and the second pushing support 304 are respectively rotatably provided with a second adjusting threaded rod 302, the second adjusting threaded rod 302 is matched with the screw rod of the pushing top plate 303, an indicating needle is arranged on a transmission rod 305 fixedly arranged on the first pushing support 301 and used for indicating the dosage of the injected medicament, the first pushing support 301 and the second pushing support 304 are used for pushing a piston rod on a needle tube, after the needle tube is placed between the first clamping support 203 and the second clamping support 205, the first pushing support 301 and the second pushing support 304 wrap the piston rod on the needle tube and push the bottom of the piston rod through the pushing top plate 303, during the process, the second adjusting threaded rod 302 is rotated according to the length of the piston rod to drive the pushing top plate 303 to slide in the first pushing support 301 and the second pushing support 304, the device is contacted with the bottom of a piston rod, the indication needle on the transmission rod 305 accurately indicates the dosage of the injected medicament during anesthesia injection, the drive motor 207 is started to drive the transmission threaded rod 206 to rotate, the transmission threaded rod 206 is rotated to drive the transmission rod 305 to slide in the first clamping bracket 203 and the second clamping bracket 205, the first pushing bracket 301 and the second pushing bracket 304 are driven to slide, the piston rod is pushed to move through the pushing top plate 303, the medicament is injected into the anesthesia place, the indication needle on the transmission rod 305 fixedly arranged on the first pushing bracket 301 indicates the dosage of the pushed medicament, the left side of the second clamping bracket 205 is rotatably provided with a first adjusting threaded rod 209, the left side of the second clamping bracket 205 is slidingly provided with a limiting rod 208, the limiting rod 208 is fixedly provided with an indicating needle for indicating the dosage of the injection medicament, the bottom of the limiting rod 208 is fixedly provided with a rack, the rack on the limiting rod 208 is matched with the screw rod of the first adjusting threaded rod 209, the bottom of the second pushing bracket 304 is slidingly provided with a second positioning slide block 307, a compression spring is fixedly arranged between the top of the second positioning slide block 307 and the bottom of the second pushing bracket 304, the second positioning slide block 307 is contacted and matched with the top of the limiting rod 208, for limiting the sliding distance of the second pushing support 304, the first adjusting threaded rod 209 is rotated to drive the limiting rod 208 to slide on the second clamping support 205, so that the limiting rod 208 slides on the second clamping support 205 for a distance, the sliding distance of the second pushing support 304 is limited, the distance of the pushing piston rod is controlled conveniently, the dosage of the injected medicament is controlled, and meanwhile, if the dosage is not required to be controlled or the medicament is required to be continuously injected, the second positioning slide block 307 is pulled to slide downwards on the second pushing support 304, so that the top of the limiting rod 208 passes through a through hole formed between the second positioning slide block 307 and the second pushing support 304, the stop lever 208 is no longer in contact with the second positioning slide 307, and the second pushing bracket 304 can continue to slide forward to push the piston rod, so as to inject the medicament into the anesthesia place.
As shown in fig. 1 to 16, both sides of the first pushing support 301 and the second pushing support 304 are respectively provided with a fixed chute, positioning rods 306 are slidably mounted in the chutes on the left sides of the first pushing support 301 and the second pushing support 304, magnets are fixedly mounted at the upper end and the lower end of the chutes on the left sides of the first pushing support 301 and the second pushing support 304, and the positioning rods 306 slidably mounted on the first pushing support 301 and the second pushing support 304 can slide into the opposite fixed chute respectively and are fixed through the magnets, so that a piston push rod in a needle cylinder can not shake during injection, and meanwhile the first pushing support 301 and the second pushing support 304 are kept flush.
As shown in fig. 1 to 16, the bottom of the second clamping bracket 205 is fixedly provided with a supporting mechanism 4, the supporting mechanism 4 comprises a first supporting rod 401, the first supporting rod 401 is slidably installed at the bottom of the rear side of the second clamping bracket 205, a compression spring is fixedly installed between the rear end of the first supporting rod 401 and the second clamping bracket 205, a second supporting rod 402 is slidably installed in the first supporting rod 401, clamping slide blocks 403 are slidably installed on two sides of the first supporting rod 401, a compression spring is fixedly installed between the clamping slide blocks 403 and the first supporting rod 401, clamping handles 404 are rotatably installed on two sides of the first supporting rod 401, triangular cams on the clamping handles 404 are fixedly installed on the clamping handles 404 and are slidably matched with the clamping slide blocks 403, the first supporting rod 401 and the second supporting rod 402 are used for supporting equipment, when the angle is adjusted by the detection positioning plate 101 and the device is attached to an anesthesia place, the rear end of the second clamping bracket 205 is supported by the first support rod 401 and the second support rod 402, the second support rod 402 slides in the first support rod 401 to adjust the height of the support, after the second support rod 402 is adjusted to a proper position, the support mechanism 40 is rotated, the clamping slide block 403 is driven to slide towards the center of the first support rod 401 by the triangular cam on the clamping handle 404, the clamping slide block 403 is attached to two sides of the second support rod 402, the second support rod 402 is fixed so that the second support rod 402 can not slide any more, the equipment can be kept at a required angle for injection, and no holding by a doctor is needed, the top of the first support rod 401 is fixedly provided with ratchets, the support mechanism 4 comprises a reset slide block 405 and a ratchet slide block 406, the ratchet slide block 406 is slidably arranged on two sides of the bottom of the second clamping bracket 205, the ratchet slide block 406 is matched with the ratchets on the top of the first support rod 401, and when the needle is penetrated, the second clamping bracket 205 needs to be pushed to slide forwards, when the second clamping bracket 205 slides forwards, the first support rod 401 and the second support rod 402 are attached to the support surface, the second clamping bracket 205 slides forwards on the first support rod 401, and the ratchet slide block 406 is matched with the ratchet slide block 401 through the ratchet slide block 401, so that the needle tube is convenient to inject, after the needle is pulled out after the injection is finished, the ratchet slide block 406 is not matched with the ratchet on the top of the first support rod 401, and the first support rod 401 returns to the original position through the spring.
Working principle: when nerve block anesthesia is needed, firstly, a syringe filled with anesthetic is placed between a first clamping bracket 203 and a second clamping bracket 205, the top end of the syringe is attached to the front ends of the first clamping bracket 203 and the second clamping bracket 205, then a second adjusting threaded rod 302 is rotated to drive a pushing top plate 303 to slide, the pushing top plate 303 is attached to the bottom of a piston push rod on an injector, meanwhile, the first adjusting threaded rod 209 is rotated according to the requirement, a limit rod 208 is driven to slide on the second clamping bracket 205 to limit the dosage during the first injection, if the first injection is needed, the first adjusting threaded rod 209 can be rotated to drive a limit rod 208 to slide to the inside of the second clamping bracket 205, so that the sliding distance of the second pushing bracket 304 is not limited, then a locating rod 306 on the first pushing bracket 301 and the second pushing bracket 304 is slid to the opposite fixed sliding groove, so that the first pushing bracket 301 and the second pushing bracket 304 are kept flush, then a detection locating plate 101 is attached to the area needed to be injected, ultrasound is carried out on the first pushing top plate, a position suitable for being found, then the second clamping bracket 205 is pulled, the second clamping plate 205 is pulled to rotate, the locating rod 205 is pulled to rotate to the second clamping bracket 205 to rotate, the second clamping bracket 402 is clamped at the second clamping bracket 402, the second clamping angle is adjusted to the second clamping bracket 402 is clamped at the end of the second clamping bracket 402, and the second clamping bracket 402 is clamped at the end is adjusted to the second clamping angle 401, and the first clamping bracket 402 is clamped to the second clamping bracket 402 is adjusted, and the second clamping angle is adjusted, and the included, the depth of the needle is adjusted when the needle is inserted, after the adjustment is finished, the first clamping support 203 and the second clamping support 205 are pushed, the needle is inserted into the body of a patient for injection, and meanwhile, the needle is fixed at the depth of the insertion through the limit of the hollow sliding block 506.
And then, starting the transmission threaded rod 206 to drive the driving motor 207 to rotate and drive the first pushing support 301 and the second pushing support 304 to slide, pushing the piston push rod to move, and performing anesthesia injection, if the anesthesia injection is performed, after the second pushing support 304 slides to a designated position, the second positioning slide block 307 is attached to the top of the limiting rod 208, so that the second pushing support 304 cannot slide further, when the anesthesia injection needs to be performed continuously, the second positioning slide block 307 is pulled to slide downwards in the second pushing support 304, so that the top of the limiting rod 208 is not contacted with the second positioning slide block 307 any more, the second pushing support 304 can slide on the second clamping support 205 continuously, the rest liquid medicine can be injected continuously, and a doctor can observe the condition of a patient in a free time to complete anesthesia injection operation independently, so that anesthesia operation is completed.
When the needle is required to be pulled out after injection, the first adjusting rod 503 is rotated to drive the limiting pawl 505 to slide in the limiting support 501, so that the hollow sliding block 506 is not matched with the clamping groove of the first supporting rod 401 any more, the second clamping support 205 is lifted up through the spring between the second sliding supporting rod 104 and the second clamping support 205, the needle is pulled out, and the injection operation is completed.
Claims (8)
1. The utility model provides a nerve block anesthetic injection device for anesthesia, includes fixture (2), fixture (2) including first clamping support (203) and second clamping support (205), second clamping support (205) top fixed mounting has a plurality of gag levers, and gag lever levers slide fit on first clamping support (203) and second clamping support (205), its characterized in that, fixture (2) front end slidable mounting has positioning mechanism (1), and positioning mechanism (1) are including surveying locating plate (101), and it has supporting slider (102) to survey on locating plate (101), and rotatory first sliding support rod (103) of installing on supporting slider (102), and survey locating plate (101) bottom fixed mounting has ratchet connecting block (107), rotatory second sliding support rod (104) of installing on ratchet connecting block (107), and first sliding support rod (103) slidable mounting is at first clamping support (203) front end, and fixed mounting has compression spring between first sliding support rod (103) and the first clamping support (203), and second sliding support rod (104) slidable mounting is at second clamping support (205) front end (205), and fixed mounting has compression spring (105) between second sliding support rod (104), a ratchet plate is fixedly arranged in the middle of the first positioning sliding block (105), the ratchet plate on the first positioning sliding block (105) is matched with a ratchet wheel of the ratchet connecting block (107), first spring connecting blocks (106) are rotatably arranged on two sides of the first positioning sliding block (105), first spring connecting blocks (106) are rotatably arranged on two sides of the top of the detection positioning plate (101), and an extension spring is fixedly arranged between the first spring connecting blocks (106) and the second spring connecting blocks (108);
The front end of the bottom of the second clamping bracket (205) is fixedly provided with a limiting mechanism (5), the limiting mechanism (5) comprises a limiting bracket (501), the limiting bracket (501) is slidably arranged at the bottom of the second clamping bracket (205), the limiting mechanism (5) comprises a third adjusting threaded rod (502), the third adjusting threaded rod (502) is rotatably arranged at the bottom of the second clamping bracket (205), the limiting bracket (501) is in screw rod fit with the third adjusting threaded rod (502), the limiting bracket (501) is transversely rotatably provided with a first adjusting rod (503), the bottom of the first adjusting rod (503) is fixedly provided with a bevel gear, the bevel gear on the limiting bracket (501) is longitudinally rotatably arranged with a fourth adjusting threaded rod (504), the bottom of the fourth adjusting rod (504) is fixedly provided with a bevel gear, the bevel gear on the first adjusting rod (503) is meshed with the bevel gear on the fourth adjusting threaded rod (504), the hollow sliding block (506) is matched with the bevel gear on the fourth adjusting threaded rod (504), the two sides of the hollow sliding block (506) are slidably provided with limiting pawls (505), the inner sides of the hollow sliding block (505) are provided with the limiting pawls (505), the bevel gear pawls (505) are matched with the bevel gear (505) on the bevel gear (501), a compression spring is fixedly arranged between the limit pawl (505) and the hollow sliding block (506); the bottom of the second sliding support rod (104) is provided with a clamping groove, and the limiting pawl (505) is matched with the clamping groove at the bottom of the second sliding support rod (104);
The rear end of the clamping mechanism (2) is slidably provided with an injection mechanism (3), the injection mechanism (3) comprises a first pushing bracket (301) and a second pushing bracket (304), the first pushing bracket (301) is slidably arranged on the first clamping bracket (203), a transmission rod (305) is fixedly arranged on the first pushing bracket (301) and the second pushing bracket (304), a rack is fixedly arranged on the transmission rod (305), the transmission rod (305) on the first pushing bracket (301) is slidably arranged in the first clamping bracket (203), the transmission rod (305) is slidably arranged in the second clamping bracket (205) in a screw rod matched with the transmission threaded rod (206) in the first clamping bracket (203), the transmission rod (305) on the second pushing bracket (304) is slidably arranged in the second clamping bracket (205) in a screw rod matched with the transmission threaded rod (206) in the second clamping bracket (205), a pushing top plate (303) is slidably arranged on the first pushing bracket (301) and the second pushing bracket (304), a second adjusting screw rod (302) is rotatably arranged on the first pushing bracket (301) and the second pushing bracket (304) respectively;
The utility model discloses a clamping device for a bicycle, including second centre gripping support (205), supporting mechanism (4) is installed to second centre gripping support (205) bottom fixed mounting, supporting mechanism (4) include first bracing piece (401), first bracing piece (401) slidable mounting is in the bottom of second centre gripping support (205) rear side, fixed mounting has compression spring between first bracing piece (401) rear end and second centre gripping support (205), slidable mounting has second bracing piece (402) between first bracing piece (401), slidable mounting has clamp slider (403) on first bracing piece (401) both sides, fixed mounting has compression spring between clamp slider (403) and first bracing piece (401), fixed mounting has clamp handle (404) on clamp handle (404), the cam on clamp handle (404) and clamp slider (403) slidable fit.
2. The anesthetic injection device for nerve block anesthesia of claim 1, characterized in that a compression spring is fixedly installed between the top of the limiting rod on the second clamping support (205) and the top of the first clamping support (203), a first clamping plate (201) is slidably installed on the first clamping support (203), a threaded rod is fixedly installed in the middle of the first clamping plate (201), an adjusting rotating wheel (202) is rotatably installed at the top of the first clamping support (203), the adjusting rotating wheel (202) is matched with the threaded rod screw on the first clamping plate (201), a second clamping plate (204) is slidably installed in the second clamping support (205), and a compression spring is fixedly installed between the bottom of the second clamping plate (204) and the second clamping support (205).
3. The anesthetic injection apparatus for nerve block anesthesia according to claim 1, characterized in that a driving motor (207) is fixedly installed at the top of the first clamping bracket (203) and the bottom of the second clamping bracket (205), a gear is fixedly installed on the driving motor (207), a transmission threaded rod (206) is rotatably installed on the first clamping bracket (203) and the second clamping bracket (205), a gear is fixedly installed at the top of the transmission threaded rod (206), and the gear on the transmission threaded rod (206) is meshed with the gear on the driving motor (207).
4. The anesthetic injection apparatus for nerve block anesthesia according to claim 3, characterized in that both sides of the first propulsion support (301) and the second propulsion support (304) are respectively provided with a fixed chute, a positioning rod (306) is slidably mounted in the chute on the left side of the first propulsion support (301) and the second propulsion support (304), and magnets are fixedly mounted at the upper and lower ends of the chute on the left side of the first propulsion support (301) and the second propulsion support (304).
5. An anesthetic injection device for nerve block anesthesia as claimed in claim 3, characterized in that the transmission rod (305) fixedly installed on the first propulsion bracket (301) is provided with an indication needle.
6. The anesthetic injection device for nerve block anesthesia of claim 1 characterized in that a first adjusting threaded rod (209) is rotatably installed on the left side of the second clamping bracket (205), a limit rod (208) is installed on the left side of the second clamping bracket (205) in a sliding manner, an indicating needle is fixedly installed on the limit rod (208), a rack is fixedly installed on the bottom of the limit rod (208), and the rack on the limit rod (208) is matched with the first adjusting threaded rod (209) in a screw rod mode.
7. An anesthetic injection device for nerve block anesthesia as claimed in claim 3, characterized in that the bottom of the second pushing bracket (304) is slidably provided with a second positioning slide block (307), a compression spring is fixedly installed between the top of the second positioning slide block (307) and the bottom of the second pushing bracket (304), and the second positioning slide block (307) is in contact fit with the top of the limit rod (208).
8. The anesthetic injection device for nerve block anesthesia according to claim 1, characterized in that the top of the first support rod (401) is fixedly provided with ratchets, the support mechanism (4) comprises a reset slide block (405) and a ratchet slide block (406), the ratchet slide block (406) is slidably mounted on two sides of the bottom of the second clamping support (205), the ratchet slide block (406) is matched with the ratchets on the top of the first support rod (401), a compression spring is fixedly mounted between the ratchet slide block (406) and the second clamping support (205), the reset slide block (405) is slidably mounted on the bottom of the second clamping support (205), a compression spring is fixedly mounted between the bottom of the reset slide block (405) and the second clamping support (205), a triangular chute is arranged on the second clamping plate (204), cylindrical keys are fixedly mounted on two sides of the second clamping plate (204), and the cylindrical keys on the reset slide block (405) are slidably matched with the triangular chute on the ratchet slide block (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311453031.8A CN117357748B (en) | 2023-11-03 | 2023-11-03 | Anesthetic injection device for nerve block anesthesia |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311453031.8A CN117357748B (en) | 2023-11-03 | 2023-11-03 | Anesthetic injection device for nerve block anesthesia |
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| CN117357748A CN117357748A (en) | 2024-01-09 |
| CN117357748B true CN117357748B (en) | 2024-06-07 |
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| KR102546630B1 (en) * | 2023-03-24 | 2023-06-22 | (주)우리메카 | Medical syringe feeding apparatus |
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| WO2009083651A1 (en) * | 2007-12-31 | 2009-07-09 | Katja Paassilta | Determining the position of a needle |
| CN106388949A (en) * | 2016-05-12 | 2017-02-15 | 西安医学院第附属医院 | Ultrasonic fixing rack for ultrasound-guided neck nerve block and vascular puncture |
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|---|---|
| CN117357748A (en) | 2024-01-09 |
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