CN221384687U

CN221384687U - Injector for anesthesia department

Info

Publication number: CN221384687U
Application number: CN202322730410.9U
Authority: CN
Inventors: 革炜; 刘荣莉; 张琦
Original assignee: Jingmen Central Hospital
Current assignee: Jingmen Central Hospital
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-07-23
Anticipated expiration: 2033-10-11

Abstract

The utility model discloses an injector for anesthesia department, and relates to the technical field of medical appliances. Including injection cylinder, push rod, piston handle, syringe needle and mounting bracket, rotate between the both ends inner wall of mounting bracket and be connected with the lead screw, the outer wall spiro union of lead screw has the slider, the slider contacts with the both sides inner wall of mounting bracket, the one end of mounting bracket is fixed with the motor, the motor takes self-locking function, the output of motor runs through behind the mounting bracket with the tip of lead screw mutually fixed. The utility model is different from the prior art in that when the injection is needed, medical staff can set parameters such as injection dosage, injection speed, injection time and the like after the injection is needed through the controller, then the needle head enters the injection position of a patient, then the controller starts the motor, the motor drives the screw rod to rotate reversely, then the screw rod drives the sliding block to move, further drives the piston handle to move forwards, the patient is injected, and the motor stops moving after the appointed dosage is injected.

Description

Injector for anesthesia department

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an injector for anesthesia department.

Background

The anesthesiology is a science which applies basic theory, clinical knowledge and technology related to anesthesia to eliminate the pain of the operation of the patient, ensure the safety of the patient and create good conditions for the operation; at present, when anesthesia is performed before operation, the anesthesia is mainly performed in two modes of adsorption and injection. Whereas local anesthesia is performed by injection. The existing anesthetic is mainly injected manually, and the situation that the liquid medicine in the needle cylinder needs to be injected in multiple times often occurs during injection. An existing syringe for anesthesia (bulletin number: CN 213911795U) has the following disadvantages in use:

In the use process, the piston handle is pressed manually to inject a patient, the patient needs to constantly observe the injection quantity in the injection process, but errors can occur, the injection quantity is excessive or insufficient, and the use effect of the injected medicine is affected.

Disclosure of utility model

The present utility model is directed to an injector for anesthesia department, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injector for anesthesia branch of academic or vocational study, including injection cylinder, the push rod, the piston handle, syringe needle and mounting bracket, it is connected with the lead screw to rotate between the both ends inner wall of mounting bracket, the outer wall spiro union of lead screw has the slider, the slider contacts with the both sides inner wall of mounting bracket, the one end of mounting bracket is fixed with the motor, the motor takes the self-locking function, the output of motor runs through behind the mounting bracket with the tip of lead screw fixed mutually, the top of slider is fixed with the fixed plate, the one end of fixed plate is fixed with the plug-in components, the slot has been seted up on the plug-in components, the piston handle is pegged graft in the slot, the controller is installed to one side of mounting bracket, controller and motor electric connection.

Preferably, the top of mounting bracket is fixed with mounting bracket, and one side spiro union of mounting bracket has the screw rod, and the one end of screw rod is fixed with the knob, and the spiro union has the removal anchor clamps on the screw rod.

Preferably, the injection tube is fixed with the thread bush in the one end that installs the syringe needle, and the thread bush is located the outside of syringe needle, and the outer wall spiro union of thread bush has the protective sheath, and the length of protective sheath is greater than the length of syringe needle for the protection syringe needle.

Preferably, the outer wall of the injection cylinder is provided with scale marks, and the outer wall of the injection cylinder is connected with a magnifying glass in a sliding manner.

Preferably, the outer wall of the injection tube is provided with a groove, the bottom end of the magnifying glass is fixed with a sliding bar, and the sliding bar is a T-shaped bar which is matched with the groove.

Preferably, a handle is fixed on the outer wall of the injection tube, and is used for conveniently taking the injection tube.

Compared with the prior art, the utility model has the beneficial effects that:

This syringe for anesthesia branch of academic or vocational study is when needs injection, the medical personnel can be through taking the syringe, and through the controller settlement needs injection dosage, injection speed, injection time, after injection such as how long, then get into patient needs injection position with the syringe needle, afterwards the motor is started to the controller, the motor drives the lead screw reverse rotation, afterwards the lead screw drives the slider and removes, and then drives the piston handle and remove forward, inject the patient, the motor stops the motion after the appointed dosage of injection, can avoid the volume of injection too much or too little like this, influence the result of use of injection medicine.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a schematic diagram of the splitting of the present utility model.

In the figure: 1. a syringe; 2. a mounting frame; 3. a screw rod; 4. a fixing plate; 5. a piston handle; 6. an insert; 7. a fixing clamp; 8. moving the clamp; 9. a protective sleeve; 10. a motor; 11. a controller; 12. a magnifying glass; 13. a handle; 14. a needle; 15. a thread sleeve; 16. a groove; 17. a slide bar; 18. a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

At present, when anesthesia is performed before operation, the anesthesia is mainly performed in two modes of adsorption and injection. Whereas local anesthesia is performed by injection. The current anesthetic is mainly through the manual injection, the condition that the liquid medicine in the cylinder carries out the split injection always appears when the injection, the syringe needs the operator to control the injection volume according to the scale portion on the cylinder, then press piston handle 5 and carry out the injection, then the volume of hardly controlling the injection like this probably leads to the too much or too little of injection, thereby influence result of use, this patent designs an automatic injection's syringe for anesthesia department, it uses portably more, the whole volume is less, can conveniently carry direct operation, simultaneously portable, can take the syringe off after the operation finishes, change another syringe, it can control the volume of injection, in addition the device can also drive piston handle 5 and remove, make the liquid medicine get into in the syringe, the syringe for anesthesia department that this utility model provided is used for carrying out injection operation to the patient specially, in the in-process that uses this equipment to carry out injection operation, it needs to ensure that motor 10 can normally work in advance, thereby guarantee the normal operation of equipment.

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides an injector for anesthesia branch of academic or vocational study, including injection cylinder 1, push rod 18, the piston, piston handle 5, syringe needle 14 and mounting bracket 2, rotate between the both ends inner wall of mounting bracket 2 and be connected with lead screw 3, the outer wall spiro union of lead screw 3 has the slider, the slider contacts with the both sides inner wall of mounting bracket 2, make the slider can only carry out the back-and-forth movement, the one end of mounting bracket 2 is fixed with motor 10, motor 10 takes self-locking function, the output of motor 10 runs through behind the mounting bracket 2 with the tip of lead screw 3 mutually fixed, the top of slider is fixed with fixed plate 4, the one end of fixed plate 4 is fixed with plug-in components 6, the slot has been seted up on the plug-in components 6, piston handle 5 pegging graft in the slot, piston handle 5 and slot looks adaptation, controller 11 is installed to one side of mounting bracket 2, controller 11 and motor 10 electric connection.

It should be noted that, by installing the syringe 1 and the piston handle 5 above the mounting frame 2, the piston handle 5 is inserted into the slot on the insert 6, then the controller 11 is used to set parameters such as dosage, speed, time and the like of the liquid medicine to be absorbed, then the motor 10 is started, the motor 10 drives the screw rod 3 to rotate, the screw rod 3 drives the slide block to move, and then drives the piston handle 5 to move backwards, so that the liquid medicine is sucked into the syringe 1, then when injection is needed, a medical staff can take the syringe 1, set parameters such as dosage, injection speed, injection time and injection time after the needle 14 is needed again, then the needle 14 enters the patient to be injected, then the controller 11 starts the motor 10, the motor 10 drives the screw rod 3 to rotate reversely, then the screw rod 3 drives the slide block to move forwards, the piston handle 5 is driven to inject the patient, after a certain dosage is injected, the state and the position of the injector are monitored by the encoder, so that the injection quantity is controlled, the rotation angle and speed of the screw rod 3 are monitored, and the injection quantity is converted into an electrical signal output. By connecting the encoder, the controller 11 can acquire the advance distance and position information of the injector in real time, thereby precisely controlling the injection amount and advance speed, and the encoder can be installed on the shaft of the motor 10.

As shown in fig. 1, 2, 3 and 4, a fixing clamp 7 is fixed at the top end of the mounting frame 2, a screw is screwed on one side of the fixing clamp 7, a knob is fixed at one end of the screw, and a moving clamp 8 is screwed on the screw. The injection tube 1 is located the one end of installing the syringe needle 14 and is fixed with the thread bush 15, and the thread bush 15 is located the outside of syringe needle 14, and the outer wall spiro union of thread bush 15 has protective sheath 9, and the length of protective sheath 9 is greater than the length of syringe needle 14 for the protection syringe needle 14. The outer wall of the injection tube 1 is provided with scale marks, and the outer wall of the injection tube 1 is connected with a magnifying glass 12 in a sliding way. The outer wall of the injection tube 1 is provided with a groove 16, the bottom end of the magnifying glass 12 is fixed with a slide bar 17, and the slide bar 17 is a T-shaped bar which is matched with the groove 16. A handle 13 is fixed on the outer wall of the injection tube 1, which is used for conveniently taking the injection tube 1.

It should be noted that the fixation is achieved by inserting the plunger shaft 5 on the syringe 1 into a slot in the insert 6, then by pressing the moving clamp 8 and rotating the screw so that the syringe 1 is fixed between the fixed clamp 7 and the moving clamp 8, and in addition when the user wants to see which position to inject, the user can observe by moving the magnifying glass 12, so that the observation is more careful.

Working principle: when the medicine liquid is required to be sucked into the injection cylinder 1, parameters such as dosage, speed, time and the like of the medicine liquid required to be adsorbed are set through the controller 11, then the motor 10 is started, the motor 10 drives the screw rod 3 to rotate, the screw rod 3 drives the sliding block to move, and then the piston handle 5 is driven to move backwards, so that the medicine liquid is sucked into the injection cylinder 1, then when the medicine liquid is required to be injected, a medical staff can take the handle 13 on the injection cylinder 1, set parameters such as dosage required to be injected, injection speed, injection time and how long to inject, and then the needle 14 enters a part required to be injected by a patient, the controller 11 starts the motor 10, the motor 10 drives the screw rod 3 to rotate reversely, and then the screw rod 3 drives the sliding block to move forwards, and then drives the piston handle 5 to move forwards, the motor 10 stops moving after the specified dosage is injected by the patient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.

Claims

1. The utility model provides an injector for anesthesia branch of academic or vocational study, includes syringe (1), push rod (18), piston handle (5), syringe needle (14) and mounting bracket (2), its characterized in that: the utility model provides a motor, including mounting bracket (2), screw rod (3), slider, motor (10), controller (11), plug-in connection (5) are installed in the slot, controller (11) and motor (10) electric connection, the rotation is connected with screw rod (3) between the both ends inner wall of mounting bracket (2), the outer wall spiro union of screw rod (3) has the slider, the both sides inner wall contact of slider and mounting bracket (2), the one end of mounting bracket (2) is fixed with the tip phase-locking function of screw rod (3) after motor (10) is run through mounting bracket (2), the top of slider is fixed with fixed plate (4), the one end of fixed plate (4) is fixed with plug-in components (6), the slot has been seted up on plug-in components (6), plug-in connection (5) are in the slot, controller (11) are installed to one side of mounting bracket (2).

2. An injector for anesthesia as set forth in claim 1, wherein: the top of mounting bracket (2) is fixed with mounting fixture (7), and one side spiro union of mounting fixture (7) has the screw rod, and the one end of screw rod is fixed with the knob, and the spiro union has movable clamp (8) on the screw rod.

3. An injector for anesthesia as set forth in claim 1, wherein: the syringe (1) is located the one end of installing syringe needle (14) and is fixed with thread bush (15), and thread bush (15) are located the outside of syringe needle (14), and the outer wall spiro union of thread bush (15) has protective sheath (9), and the length of protective sheath (9) is greater than the length of syringe needle (14), is used for protecting syringe needle (14).

4. An injector for anesthesia as set forth in claim 1, wherein: the outer wall of the injection tube (1) is provided with scale marks, and the outer wall of the injection tube (1) is connected with a magnifying glass (12) in a sliding manner.

5. An injector for anesthesia as set forth in claim 1, wherein: the outer wall of the injection tube (1) is provided with a groove (16), the bottom end of the magnifying glass (12) is fixed with a slide bar (17), and the slide bar (17) is a T-shaped bar which is matched with the groove (16).

6. An injector for anesthesia as set forth in claim 1, wherein: the outer wall of the injection tube (1) is fixed with a handle (13) for conveniently taking the injection tube (1).