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CN-121987894-A - Anesthesia injector

CN121987894ACN 121987894 ACN121987894 ACN 121987894ACN-121987894-A

Abstract

The invention relates to the technical field of injectors and discloses an anesthetic injector, which comprises a needle cylinder, a connecting mechanism, a uniform-speed pushing mechanism and a uniform-speed pushing mechanism, wherein a limit wing ring is fixedly sleeved on the outer wall of the needle cylinder, the connecting mechanism is arranged on the needle cylinder and used for disassembling and assembling the needle cylinder, the uniform-speed pushing mechanism is arranged on the connecting mechanism and used for stably pushing anesthetic, the uniform-speed pushing mechanism comprises a bar-shaped frame, and a screw rod is rotationally connected to the inner wall of the bar-shaped frame. According to the invention, through the cooperation design of the uniform-speed pushing mechanism and the connecting mechanism, the needle cylinder loaded with anesthetic can be fixed by means of the connecting mechanism, a user can hold the needle cylinder from the grip by one hand and rotate the rotating wheel by the other hand, the pushing block can be driven to translate at a uniform speed by rotating the rotating wheel, the piston is pushed at a uniform speed, the stability of injection work is improved, and uncomfortable feeling of a patient in the injection process is remarkably reduced.

Inventors

  • HE YONGPENG
  • BIAN YUTING
  • AO DELI
  • LEI HONG
  • CHU MEILING

Assignees

  • 克拉玛依市中心医院

Dates

Publication Date
20260508
Application Date
20260408

Claims (10)

  1. 1. An anesthesia injector, comprising: The needle cylinder (1), the outer wall of the needle cylinder (1) is fixedly sleeved with a limit wing ring (11); the connecting mechanism (3), the connecting mechanism (3) is arranged on the needle cylinder (1), and the connecting mechanism (3) is used for disassembling and assembling the needle cylinder (1); the constant-speed pushing mechanism (2) is arranged on the connecting mechanism (3), and the constant-speed pushing mechanism (2) is used for pushing anesthetic stably; The constant-speed pushing mechanism (2) comprises a bar-shaped frame piece (23), a screw rod (24) is rotationally connected to the inner wall of the bar-shaped frame piece (23), a round shaft (25) is fixedly arranged on the inner wall of the bar-shaped frame piece (23), sliding blocks (26) are arranged on the outer walls of the screw rod (24) and the round shaft (25), a pushing block (27) is fixedly arranged at the top of the sliding block (26), and a rotating wheel (28) is fixedly connected to the right end of the screw rod (24); The bottom of coupling mechanism (3) is provided with needle penetration depth control mechanism (4), the top of coupling mechanism (3) is provided with auxiliary operation mechanism (5).
  2. 2. The anesthesia injector of claim 1, wherein the bottom of the bar-shaped frame (23) is fixedly provided with a handle (21), the outer wall of the handle (21) is fixedly sleeved with a silica gel sleeve (22), the outer wall of the bar-shaped frame (23) is coated with scale marks (29), the outer wall of the sliding block (26) is coated with an arrow, the side surface of the rotating wheel (28) is provided with a through hole, and the outer wall of the rotating wheel (28) is fixedly connected with a non-slip protrusion.
  3. 3. The anesthesia injector of claim 1, wherein the connecting mechanism (3) comprises a lower clamping piece (31), the lower clamping piece (31) is fixedly arranged on the left side of the strip-shaped frame piece (23), a protruding block (32) is fixedly arranged on the outer wall of the lower clamping piece (31), a rotating piece (33) is rotatably connected on the inner wall of the protruding block (32), an upper clamping piece (34) is fixedly arranged at the end part of the rotating piece (33), and the needle cylinder (1) is movably arranged between the lower clamping piece (31) and the upper clamping piece (34).
  4. 4. The anesthesia injector of claim 3, wherein the upper clamping piece (34) is fixedly provided with a first buckle (35), the lower clamping piece (31) is fixedly provided with a second buckle (36), and rubber strips (37) are fixedly connected to the inner walls of the lower clamping piece (31) and the upper clamping piece (34).
  5. 5. The anesthesia injector of claim 1, wherein the end of the needle cylinder (1) is movably inserted with a needle head (12), a piston (13) is connected in the inner cavity of the needle cylinder (1) in a sliding manner, and a core bar (14) is fixedly connected to one side of the piston (13).
  6. 6. The anesthesia injector of claim 3, wherein the needle insertion depth control mechanism (4) comprises a supporting block (41), the supporting block (41) is fixedly arranged at the bottom of the lower clamping piece (31), a reference arm (42) is fixedly arranged at the left side of the supporting block (41), a depth reference scale (43) is arranged on the outer wall of the reference arm (42), an adjusting sliding block (44) is connected on the outer wall of the reference arm (42) in a sliding manner, a positioning bolt (441) is connected on the outer wall of the adjusting sliding block (44) in a threaded manner, and the threaded end of the positioning bolt (441) is movably abutted on the outer wall of the reference arm (42).
  7. 7. The anesthesia injector of claim 6, wherein an insert (451) is movably inserted into the inner cavity of the adjusting slider (44), a connecting arm (45) is fixedly installed on the left side of the insert (451), an annular pad (452) is fixedly installed on the left end of the connecting arm (45), and a silica gel pad (453) is fixedly connected on the left side of the annular pad (452).
  8. 8. The anesthesia injector of claim 6, wherein the bottom of the adjusting slide block (44) is fixedly provided with a supporting rod (442), the top of the supporting rod (442) is fixedly provided with an elastic piece (443), the top of the elastic piece (443) is fixedly provided with a pin block (444), the pin block (444) is movably inserted into the adjusting slide block (44) and the inserting block (451), and the bottom of the pin block (444) is fixedly provided with a pull ring (445).
  9. 9. The anesthesia injector of claim 3, wherein the auxiliary operation mechanism (5) comprises a connecting seat (51), the connecting seat (51) is fixedly arranged at the top of the upper clamping piece (34), a movable seat (52) is movably inserted at the top of the connecting seat (51), a magnetic attraction block (53) is fixedly arranged on the inner wall of the connecting seat (51), the top of the magnetic attraction block (53) is magnetically attracted with the bottom of the movable seat (52), and a pull handle (54) is fixedly arranged at the top of the movable seat (52).
  10. 10. The anesthesia injector of claim 9, wherein a battery box (55) is fixedly arranged at the top of the movable seat (52), a vertical plate (56) is fixedly arranged at the top of the battery box (55), a damping rotating shaft (57) is rotatably connected to the inner wall of the vertical plate (56), a lamp (58) is fixedly arranged in the middle of the damping rotating shaft (57), and a switch (59) is fixedly arranged at the top of the lamp (58).

Description

Anesthesia injector Technical Field The invention relates to the technical field of syringes, in particular to an anesthetic syringe. Background The anesthetic is a medicament for temporarily and reversibly losing consciousness and pain sensation of a body or a local part of the body by using a medicine or a non-medicine method, and is mainly used for surgery or treatment of certain diseases, and the application range of the anesthetic can be divided into general anesthetics and local anesthetics. An anesthetic syringe is a medical device mainly used for precisely injecting anesthetic drugs into a patient, and is generally used in a surgical or medical operation. Doctors use this to allow patients to receive treatment comfortably, such as during surgery or tooth extraction. The traditional anesthesia injector is used for directly pushing the piston to inject by hands of medical staff, if the proficiency of the medical staff is low or the state is poor, the uniform grasping of the injection speed is poor, and the problem that a patient is uncomfortable in the injection process is easily caused. Accordingly, the present application now proposes an anesthetic syringe to solve the above-mentioned problems. Disclosure of Invention The invention aims to provide an anesthesia injector, which solves the problems that the uniform speed of the injection speed is poorly grasped and the discomfort of a patient is easily caused in the injection process in the prior art. In order to achieve the above purpose, the invention provides a technical scheme that an anesthetic syringe comprises: The outer wall of the needle cylinder is fixedly sleeved with a limit wing ring; the connecting mechanism is arranged on the needle cylinder and is used for disassembling and assembling the needle cylinder; The constant-speed pushing mechanism is arranged on the connecting mechanism and is used for pushing anesthetic stably; The constant-speed pushing mechanism comprises a bar-shaped frame piece, a screw rod is rotationally connected to the inner wall of the bar-shaped frame piece, a round shaft is fixedly arranged on the inner wall of the bar-shaped frame piece, sliding blocks are arranged on the outer walls of the screw rod and the round shaft, a pushing block is fixedly arranged at the top of each sliding block, and a rotating wheel is fixedly connected to the right end of each screw rod; The bottom of coupling mechanism is provided with needle penetration depth control mechanism, coupling mechanism's top is provided with auxiliary operation mechanism. As the preference of above-mentioned technical scheme, the bottom fixed mounting of bar frame spare has the handle, fixed sleeve has cup jointed the silica gel cover on the outer wall of handle, scribble the scale mark on the outer wall of bar frame spare, scribble on the outer wall of sliding block and be equipped with the arrow, the through-hole has been seted up to the side of runner, fixedly connected with non-slip raised on the outer wall of runner. As the preference of above-mentioned technical scheme, coupling mechanism includes down the fastener, lower fastener fixed mounting is in the left side of bar frame spare, fixed mounting has protruding piece on the outer wall of lower fastener, rotate on the inner wall of protruding piece and be connected with the rotation piece, the tip fixed mounting of rotation piece has last fastener, cylinder movable mounting is between lower fastener and last fastener. As the preference of above-mentioned technical scheme, go up fixed mounting and have a buckle, fixed mounting has No. two buckles on the lower fastener, all fixedly connected with rubber strip on the inner wall of lower fastener and last fastener. As the optimization of the technical scheme, the end part of the needle cylinder is movably inserted with a needle head, a piston is connected in the inner cavity of the needle cylinder in a sliding way, and a core rod is fixedly connected to one side of the piston. As the preference of above-mentioned technical scheme, needle advance degree of depth control mechanism includes the supporting shoe, supporting shoe fixed mounting is in the bottom of lower fastener, the left side fixed mounting of supporting shoe has the benchmark arm, be provided with the degree of depth reference scale on the outer wall of benchmark arm, sliding connection has the regulation slider on the outer wall of benchmark arm, threaded connection has the locating bolt on the outer wall of regulation slider, the screw thread end movable butt of locating bolt is on the outer wall of benchmark arm. As the optimization of the technical scheme, an insert block is movably inserted in the inner cavity of the adjusting slide block, a connecting arm is fixedly arranged on the left side of the insert block, an annular pad is fixedly arranged at the left end of the connecting arm, and a silica gel pad is fixedly connected to the left side of the annular pad. As the preference o