CN219836008U

CN219836008U - Local anesthesia device

Info

Publication number: CN219836008U
Application number: CN202321285544.8U
Authority: CN
Inventors: 郭文姗; 窦豆
Original assignee: Third Affiliated Hospital Of Luohe Medical College Luohe Rehabilitation Hospital
Current assignee: Third Affiliated Hospital Of Luohe Medical College Luohe Rehabilitation Hospital
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-17
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a local anesthesia device, which comprises an injection tube, wherein a driving mechanism is arranged at the top of the injection tube, the bottom of the driving mechanism penetrates through the top of the injection tube and is inserted into the injection tube, a piston is fixedly arranged at the bottom of the driving mechanism, an injection needle tube is connected at the bottom of the injection tube in a threaded manner, and a limiting mechanism is fixedly arranged at the lower end of the outer surface of the injection tube; the limiting mechanism comprises a fixed plate which is fixedly arranged at the lower end of the outer surface of the injection tube. According to the injection needle tube injection device, the adjusting screw is rotated to drive the outer sleeve to move up and down, and the outer sleeve drives the limit sleeve on the outer side of the injection needle tube to move up and down at the moment, so that the length of the injection needle tube exposed out of the limit sleeve can be adjusted in an auxiliary mode, the injection length of the injection needle tube can be adjusted according to requirements during the use period of the injection needle tube injection device, a good limit function is achieved, and the injection convenience is further improved.

Description

Local anesthesia device

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a local anesthesia device.

Background

Local anesthesia is also called local anesthesia, namely local anesthesia is applied to a body part under the condition that a patient is conscious, so that the sensory nerve conduction function of a certain part of the body is temporarily blocked, the motor nerve conduction is kept intact or is blocked to different degrees at the same time, the blocking is completely reversible, no tissue damage is generated, and the local anesthesia has the advantages of simplicity, convenience, practicability, safety, patient's wakefulness, less complications and small influence on the physiological function of the patient;

the current local anesthesia device is provided with an anesthetic needle tube which is lack of the capability of limiting the anesthetic needle tube, so that the depth of insertion injection is often judged by the experience of medical workers during injection, and manual pushing is adopted during the pushing of a piston rod of an injector, and because the manual pushing is too dependent on the experience of a person, the situation that medicine is pushed too fast or too slowly is caused, the medicine is pushed too fast to cause discomfort of a human body, the medicine is quickly introduced into the human body and possibly affects the muscle tissue of the human body, the medicine absorption is not facilitated because of too slow, and meanwhile, the pain of a patient is improved, so that the local anesthesia device is required to be designed to solve the problem.

Disclosure of Invention

Aiming at the problems in the background art, the utility model aims to provide a local anesthetic device so as to solve the problems that the existing local anesthetic device is lack of capacity of limiting an anesthetic needle tube and can not be used for manually pushing liquid medicine.

The technical aim of the utility model is realized by the following technical scheme:

the local anesthesia device comprises an injection tube, wherein a driving mechanism is arranged at the top of the injection tube, the bottom of the driving mechanism penetrates through the top of the injection tube and is inserted into the injection tube, a piston is fixedly arranged at the bottom of the driving mechanism, an injection needle tube is connected to the bottom of the injection tube in a threaded manner, and a limiting mechanism is fixedly arranged at the lower end of the outer surface of the injection tube;

the limiting mechanism comprises a fixed plate, the fixed plate is fixedly arranged at the lower end of the outer surface of the injection tube, an adjusting screw is connected to the left side of the top of the fixed plate in a threaded manner, a limiting component is connected to the bottom of the adjusting screw in a rotary manner through the fixed plate, and the limiting component is sleeved on the outer surface of the injection tube.

Further, as the preferable technical scheme, the limiting component comprises a jacket, the jacket is rotationally connected to the bottom of the adjusting screw, and a limiting sleeve is fixedly arranged at the bottom of the jacket.

Further, as the preferable technical scheme, the bottom of the limit sleeve is fixedly connected with a rubber ring, and the front shape of the limit sleeve is isosceles trapezoid.

Further, as a preferable technical scheme, a knob is fixedly arranged at the top of the adjusting screw, and anti-skid patterns are arranged on the outer surface of the knob at equal intervals.

Further, as a preferable technical scheme, a supporting shaft is fixedly arranged on the right side of the top of the outer sleeve, and the top of the supporting shaft penetrates through the fixing plate.

Further, as the preferred technical scheme, actuating mechanism includes the roof, roof fixed mounting is in the top of injection, the top fixed mounting of roof has the frame, be equipped with micro motor in the middle of the top of frame, micro motor's bottom fixed mounting has the threaded rod, the bottom fixed mounting of roof has the telescopic link, the inboard and the mutual threaded connection of threaded rod of telescopic link.

Further, as the preferable technical scheme, the telescopic link includes the sleeve pipe, sleeve pipe fixed mounting is in the bottom of roof, the injection tube is run through to sheathed tube bottom, sheathed tube inboard sliding connection has the slide bar, roof, injection tube top and sleeve pipe and slide bar threaded connection are run through to the bottom of threaded rod, the top fixed connection of slide bar and piston rod.

Further, as an optimal technical scheme, a storage battery is fixedly arranged on the left side in the frame, and a switch is arranged on the right side in the frame.

Further, as a preferable technical scheme, the front of the injection tube is provided with a hollow groove, a transparent plate is arranged in the hollow groove, and graduation lines are arranged on the front of the transparent plate at equal intervals.

In summary, the utility model has the following advantages:

firstly, through setting up actuating mechanism for when using, accessible start micro motor drive threaded rod rotates, through the intraductal syringe of threaded rod drive sleeve pipe slip in the sleeve pipe, and then through the slip of slide bar, can conflict the piston in the inboard slip of syringe, thereby the propelling movement liquid medicine, because each time adopt motor drive liquid medicine during the use, it is comparatively balanced even to make the liquid medicine push each time, and liquid medicine injection need not manually simultaneously, makes during the use, the doctor only need hold the syringe in hand, and then the liquid medicine injection of being convenient for;

second, through setting up stop gear, can be when using, through rotating adjusting screw, adjusting screw drives the overcoat and reciprocates, the overcoat drives the stop collar in the injection needle tube outside and reciprocates this moment, and then alright supplementary regulation exposes the length of injection needle tube on the stop collar, thereby make this and the device in the use period, can adjust the injection length of injection needle tube as required, and then reached better limit function, further improved the convenience of injection, and because the stop collar that sets up the overcoat bottom is supplementary spacing, the rubber ring laminating skin this moment, can assist the stability that improves the injection, further improvement medical personnel's local anesthesia injection's convenience.

Drawings

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

FIG. 2 is an internal block diagram of the present utility model;

fig. 3 is a bottom view of the present utility model.

Reference numerals: 1. syringe, 2, actuating mechanism, 21, roof, 22, frame, 23, micro motor, 24, threaded rod, 25, telescopic link, 251, sleeve, 252, slide bar, 26, battery, 27, switch, 3, piston, 4, syringe needle, 5, stop gear, 51, fixed plate, 52, adjusting screw, 53, stop subassembly, 531, overcoat, 532, stop collar, 533, rubber ring, 534, knob, 535, fulcrum, 6, empty slot, 7, scale mark, 8, transparent plate.

Description of the embodiments

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.

Examples

Referring to fig. 1-3, the local anesthesia device according to the embodiment includes an injection tube 1, a driving mechanism 2 is arranged at the top of the injection tube 1, the bottom of the driving mechanism 2 penetrates through the top of the injection tube 1 and is inserted into the injection tube 1, a piston 3 is fixedly arranged at the bottom of the driving mechanism 2, an injection needle tube 4 is connected at the bottom of the injection tube 1 in a threaded manner, and a limiting mechanism 5 is fixedly arranged at the lower end of the outer surface of the injection tube 1;

the limiting mechanism 5 comprises a fixed plate 51, the fixed plate 51 is fixedly arranged at the lower end of the outer surface of the injection tube 1, an adjusting screw 52 is connected to the left side of the top of the fixed plate 51 in a threaded mode, a limiting component 53 penetrates through the fixed plate 51 to be connected in a rotating mode, and the limiting component 53 is sleeved on the outer surface of the injection tube 1.

Examples

Referring to fig. 1-3, in order to achieve the purpose of improving the limiting convenience of the device based on embodiment 1, the limiting component 53 is innovatively designed in this embodiment, specifically, the limiting component 53 includes a casing 531, the casing 531 is rotatably connected to the bottom of the adjusting screw 52, and a limiting sleeve 532 is fixedly installed at the bottom of the casing 531; through setting up stop collar 532 of overcoat 531 bottom, can assist laminating skin, improve laminating skin's area simultaneously, and then improve injection stability.

Referring to fig. 1-3, in order to achieve the purpose of improving the friction force at the bottom of the stop collar 532, a rubber ring 533 is fixedly connected to the bottom of the stop collar 532 in this embodiment, the front shape of the stop collar 532 is isosceles trapezoid, and the stop collar 532 is a transparent glass sleeve; through setting up the rubber ring 533, can improve the frictional force of stop collar 532 bottom, set up isosceles trapezoid's stop collar 532 simultaneously, can improve its area of contact with skin, facilitate the use sets up the stop collar 532 of transparent material, can be convenient for observe the injection.

Referring to fig. 1-3, in order to achieve the purpose of improving the adjustment convenience of the device, a knob 534 is fixedly installed on the top of the adjusting screw 52 of the embodiment, and anti-skid patterns are arranged on the outer surface of the knob 534 at equal intervals; through setting up knob 534, accessible rotation knob 534 drives adjusting screw 52 rotation, sets up the anti-skidding line, can improve the convenience of rotation knob 534.

Examples

Referring to fig. 1-3, in this embodiment, in order to achieve the purpose of improving the sliding stability of the outer jacket 531 based on the embodiment 2, the limiting component 53 is innovatively designed, specifically, a support shaft 535 is fixedly installed on the right side of the top of the outer jacket 531, and the top of the support shaft 535 penetrates through the fixing plate 51; by providing the support shafts 535 on the outer jacket 531, the outer jacket 531 can be supported by the support shafts 535, thereby improving its stability.

Referring to fig. 1-3, in order to achieve the purpose of improving the convenience of the device for pushing liquid medicine, the driving mechanism 2 of the embodiment comprises a top plate 21, wherein the top plate 21 is fixedly arranged at the top of the injection tube 1, a frame 22 is fixedly arranged at the top of the top plate 21, a micro motor 23 is arranged in the middle of the top of the frame 22, a threaded rod 24 is fixedly arranged at the bottom of the micro motor 23, a telescopic rod 25 is fixedly arranged at the bottom of the top plate 21, and the inner side of the telescopic rod 25 is in threaded connection with the threaded rod 24; through setting up telescopic link 25, accessible start micro motor 23 drive threaded rod 24 rotates, can drive telescopic link 25 through threaded rod 24 and stretch out and draw back, alright conflict piston 3 slip through telescopic link 25 this moment, has reached the function of automatic push.

Referring to fig. 1-3, in order to achieve the purpose of the telescopic rod 25, the telescopic rod 25 of the present embodiment includes a sleeve 251, the sleeve 251 is fixedly mounted at the bottom of the top plate 21, the bottom of the sleeve 251 penetrates through the injection tube 1, the inner side of the sleeve 251 is slidably connected with a sliding rod 252, the bottom of the threaded rod 24 penetrates through the top plate 21, the top of the injection tube 1 and the sleeve 251 to be in threaded connection with the sliding rod 252, and the bottom of the sliding rod 252 is fixedly connected with the top of the rod of the piston 3; through setting up sleeve 251, accessible threaded rod 24 drive slide bar 252 slides in the inboard of sleeve 251, and then reciprocates through piston 3, has reached better automatic push action, has improved the convenience of injection liquid medicine.

Referring to fig. 1-3, for the purpose of convenient use, a storage battery 26 is fixedly mounted on the left side in the frame 22 of the present embodiment, and a switch 27 is provided on the right side in the frame 22; the miniature motor 23 is assisted to supply power by the storage battery 26, so that wireless use is facilitated, meanwhile, the switch 27 is arranged, and the operation of the device can be controlled by the switch 27, so that the device is convenient to use.

Referring to fig. 1-3, in order to achieve the purpose of improving the convenience of use of the device, the front surface of the injection tube 1 of the embodiment is provided with a hollow groove 6, a transparent plate 8 is arranged in the hollow groove 6, and graduation lines 7 are arranged on the front surface of the transparent plate 8 at equal intervals; through setting up transparent plate 8 in the empty slot 6, the piston 3 of inside empty slot 6 is observed to accessible transparent plate 8, facilitates the use, and sets up scale mark 7, and the liquid level of piston 3 pole is observed to the accessible scale mark 7, facilitates the use.

The use principle and the advantages are that: when the injection device is used, the adjusting screw 52 is rotated as required, the outer sleeve 531 is driven to move up and down, at the moment, the outer sleeve 531 drives the limit sleeve 532 on the outer side of the injection needle tube 4 to move up and down, and then the length of the injection needle tube 4 on the limit sleeve 532 can be adjusted in an auxiliary mode, so that the injection length of the injection needle tube 4 can be adjusted as required during the use period of the injection device, a better limit function is achieved, the injection convenience is further improved, the limit sleeve 532 at the bottom of the outer sleeve 531 is arranged to assist in limiting, the rubber ring 533 is attached to the skin, the injection stability can be improved in an auxiliary mode, the micro motor 23 is started to drive the threaded rod 24 to rotate, the injection tube 1 in the sleeve 251 is driven to slide in the sleeve 251 through the threaded rod 24, and then the piston 3 can be abutted to slide on the inner side of the injection tube 1 through the sliding rod 252, and therefore liquid medicine is pushed.

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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A local anesthetic device, characterized in that: the injection device comprises an injection tube (1), wherein a driving mechanism (2) is arranged at the top of the injection tube (1), the bottom of the driving mechanism (2) penetrates through the top of the injection tube (1) and is inserted into the injection tube (1), a piston (3) is fixedly arranged at the bottom of the driving mechanism (2), an injection needle tube (4) is connected with the bottom of the injection tube (1) in a threaded manner, and a limiting mechanism (5) is fixedly arranged at the lower end of the outer surface of the injection tube (1);

the limiting mechanism (5) comprises a fixed plate (51), the fixed plate (51) is fixedly arranged at the lower end of the outer surface of the injection tube (1), an adjusting screw (52) is connected to the left side of the top of the fixed plate (51) in a threaded mode, a limiting component (53) is connected to the bottom of the adjusting screw (52) in a penetrating mode through the fixed plate (51) in a rotating mode, and the limiting component (53) is sleeved on the outer surface of the injection tube (1).

2. A local anesthetic device as claimed in claim 1, wherein: the limiting component (53) comprises a jacket (531), the jacket (531) is rotatably connected to the bottom of the adjusting screw (52), and a limiting sleeve (532) is fixedly arranged at the bottom of the jacket (531).

3. A local anesthetic device as claimed in claim 2, wherein: the bottom of stop collar (532) fixedly connected with rubber ring (533), the front shape of stop collar (532) is isosceles trapezoid.

4. A local anesthetic device as claimed in claim 3, characterized in that: the top of the adjusting screw (52) is fixedly provided with a knob (534), and the outer surface of the knob (534) is provided with anti-skidding patterns at equal intervals.

5. A local anesthetic device as claimed in claim 4, wherein: a support shaft (535) is fixedly arranged on the right side of the top of the outer sleeve (531), and the top of the support shaft (535) penetrates through the fixing plate (51).

6. A local anesthetic device as claimed in claim 5, wherein: the driving mechanism (2) comprises a top plate (21), the top plate (21) is fixedly arranged at the top of the injection tube (1), a frame (22) is fixedly arranged at the top of the top plate (21), a micro motor (23) is arranged in the middle of the top of the frame (22), a threaded rod (24) is fixedly arranged at the bottom of the micro motor (23), a telescopic rod (25) is fixedly arranged at the bottom of the top plate (21), and the inner side of the telescopic rod (25) is in threaded connection with the threaded rod (24) mutually.

7. A local anesthetic device as claimed in claim 6, wherein: the telescopic rod (25) comprises a sleeve (251), the sleeve (251) is fixedly arranged at the bottom of the top plate (21), the bottom of the sleeve (251) penetrates through the injection tube (1), the inner side of the sleeve (251) is connected with a sliding rod (252) in a sliding mode, the bottom of the threaded rod (24) penetrates through the top plate (21), the top of the injection tube (1) and the sleeve (251) to be in threaded connection with the sliding rod (252), and the bottom of the sliding rod (252) is fixedly connected with the top of the rod of the piston (3).

8. A local anesthetic device as claimed in claim 7, wherein: the storage battery (26) is fixedly arranged on the left side in the frame (22), and the switch (27) is arranged on the right side in the frame (22).

9. A local anesthetic device as claimed in claim 8, wherein: empty slots (6) are formed in the front face of the injection tube (1), transparent plates (8) are arranged in the empty slots (6), and graduation marks (7) are arranged on the front face of each transparent plate (8) at equal intervals.