CN214969121U

CN214969121U - Novel medical automatic push-pull injector device

Info

Publication number: CN214969121U
Application number: CN202121217481.3U
Authority: CN
Inventors: 党文翠; 王庆强; 孔方; 王立敏
Original assignee: Second Hospital of Nanjing
Current assignee: Second Hospital of Nanjing
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-03
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a novel medical automatic push-pull injector device, which comprises an equipment body and an injector shell, wherein one end inside the equipment body is provided with a cavity, the other end inside the equipment body is provided with a placing cavity, one end of the cavity far away from the placing cavity is fixedly provided with a battery, one end of the battery close to the placing cavity is fixedly provided with a motor, the output end of the motor deviating from the direction of the battery is fixedly connected with a lead screw, and one end of the lead screw deviating from the motor is connected with a nut by screw threads, the novel medical automatic push-pull injector device combines parts into a whole by the equipment body, and the parts are combined into a whole by the equipment body through the mutual matching of a push rod, the lead screw, the nut, the motor, the battery, a switch, a gear shifter, a spring and a slide block, so that the medicine pumping and the medicine injection actions of the injector are realized, the rotating speed of the motor is adjusted, and the medicine pumping, medicine injection and the electric equipment are realized, save medical personnel's physical power, reduce cost provides work efficiency, reduces medical personnel's work load.

Description

Novel medical automatic push-pull injector device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a novel medical automatic push-pull injector device.

Background

Along with the gradual development of china's medical science, the kind of dispensing is also more and more, and prior art draws out the medicine of vial or pouch through the handheld syringe of medical personnel when dispensing in medical treatment room, and in the big bag of reinjection, gives the patient infusion treatment after mixing, and is more as the patient, under the great condition of work load, medical personnel pull the syringe piston for a long time, can lead to medical personnel hand muscle damage to and work efficiency low scheduling problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel medical automatic push-pull syringe device to prior art who proposes in solving above-mentioned background art carries out the pull to the syringe and dispenses and is extracted out the medicine of vial or pouch through the handheld syringe of medical personnel, injects the big bag again, gives patient infusion treatment after mixing, can lead to medical personnel's hand muscle damage, and work efficiency low scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a novel medical automatic push-pull injector device comprises an equipment body and an injector shell, wherein one end inside the equipment body is provided with a cavity, the other end inside the equipment body is provided with a placing cavity, one end of the cavity far away from the placing cavity is fixedly provided with a battery, one end of the battery close to the placing cavity is fixedly provided with a motor, the output end of the motor, which deviates from the direction of the battery, is fixedly connected with a lead screw, one end of the lead screw, which deviates from the motor, is in threaded connection with a nut, one end of the nut, which deviates from the lead screw, is fixedly connected with a push rod, the inside of the placing cavity is clamped and connected with the injector shell, the inside of the injector shell is in sliding connection with a piston, one end of the piston, which is close to the cavity, is fixedly connected with a piston rod, one end of the piston rod, which deviates from the piston, extends into the cavity and is fixedly connected with a push block, one end of the top of the equipment body is fixedly provided with a gear shifter, the middle part of the equipment body is fixedly provided with a switch.

As a preferred technical scheme of the utility model, the other end sliding connection of cavity has and is located the outlying slider of piston rod, the inner circle that the slider is close to ejector pad one side is seted up flutedly, the recess is connected with the peripheral block that the ejector pad is close to piston rod one end, two springs of opposite side fixedly connected with of slider, and two the spring is located the both sides of piston rod respectively.

As an optimal technical scheme of the utility model, the through-hole of placing that corresponds with the syringe shell is seted up to the positive one end of equipment body, the fixed controller that is provided with of the positive other end of equipment body, equal and the controller electric connection of motor, selector and switch, controller and battery electric connection.

As a preferred technical solution of the present invention, the battery is a rechargeable lithium battery.

As an optimized technical scheme of the utility model, the motor is direct current inverter motor.

As an optimized technical scheme of the utility model, the fixed link that is provided with of one end of equipment body.

As a preferred technical scheme of the utility model, the one end that the syringe shell deviates from the piston rod extends to the external world.

Compared with the prior art, the beneficial effects of the utility model are that: through mutually supporting of push rod, lead screw, nut, motor, battery, switch, selector, spring and slider, the equipment body combines spare part as an organic whole, realizes drawing medicine and the injection action of syringe through the switch, has a selector on equipment, can adjust the rotational speed of motor, realizes drawing medicine, injection, and the electrodynamic machine saves medical personnel physical power, and reduce cost provides work efficiency, reduces medical personnel's work load.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. an apparatus body; 2. a syringe housing; 3. a battery; 4. a motor; 5. a nut; 6. a push rod; 7. a push block; 8. a piston rod; 9. a shifter; 10. a spring; 11. a slider; 12. placing the through hole; 13. a controller; 14. hanging a ring; 15. a switch; 16. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a novel medical automatic push-pull injector device, which comprises an equipment body 1 and an injector shell 2, wherein one end inside the equipment body 1 is provided with a cavity, the other end inside the equipment body 1 is provided with a placing cavity, one end of the cavity far away from the placing cavity is fixedly provided with a battery 3, one end of the battery 3 close to the placing cavity is fixedly provided with a motor 4, the output end of the motor 4 far away from the battery 3 is fixedly connected with a screw rod 16, one end of the screw rod 16 far away from the motor 4 is connected with a nut 5 by screw threads, one end of the nut 5 far away from the screw rod 16 is fixedly connected with a push rod 6, the inside of the placing cavity is clamped and connected with the injector shell 2, the inside of the injector shell 2 is connected with a piston in a sliding way, one end of the piston close to the cavity is fixedly connected with a piston rod 8, one end of the piston rod 8 far away from the piston extends to a push block 7 fixedly connected in the cavity, a gear shifter 9 is fixedly arranged at one end of the top of the equipment body 1, and a switch 15 is fixedly arranged in the middle of the equipment body 1.

Preferably, the other end sliding connection of cavity has the slider 11 that is located 8 outlying of piston rod, the inner circle that slider 11 is close to ejector pad 7 one side is seted up flutedly, the recess is connected with the peripheral block that ejector pad 7 is close to 8 one ends of piston rod, two springs 10 of the opposite side fixedly connected with of slider 11, and two springs 10 are located the both sides of piston rod 8 respectively, when ejector pad 7 drives push rod 6 and removes the liquid medicine injection of syringe casing and need withdraw the medicament again, two springs 10 promote ejector pad 7 through slider 11, spring 10 drives slider 11 through self elastic restoring force and resumes the normal position, thereby ejector pad 7 drives the piston through driving piston rod 8 and removes to the cavity direction, the piston removes and makes syringe shell 2 produce the negative pressure, thereby extract the medicament.

Preferably, the through-hole 12 of placing that corresponds with syringe shell 2 is seted up to the positive one end of equipment body 1, the fixed controller 13 that is provided with of the positive other end of equipment body 1, motor 4, selector 9 and switch 15 all with controller 13 electric connection, controller 13 and 3 electric connection of battery, can take out fast and place syringe shell 2 through placing through-hole 12, be convenient for change new syringe, save time, controller 13 control motor 4 work, adjust 4 motor 4 forward and reverse drives of motor through switch 15, adjustment selector 9 changes the 4 rotational speeds of motor, reach suitable filling speed, convenient control.

Preferably, the battery 3 is a rechargeable lithium battery, which can be charged and discharged for many times, and has the advantages of small volume, long service life, and the like.

Preferably, the motor 4 is a direct-current variable frequency motor, the rotating speed is controlled simply, the power is low, and the single charging service time of the battery 3 is prolonged.

Preferably, one end of the equipment body 1 is fixedly provided with a hanging ring 14, and the equipment body 1 can be placed on a wall surface in idle time, so that the space is saved, and the operation room is clean and tidy.

Preferably, the end of the syringe housing 2 facing away from the piston rod 8 extends to the outside, and the medicament is extracted by inserting the syringe housing 2 into the medicament.

When the novel medical automatic push-pull injector device is used, a battery 3 is used as a power supply to supply power, the motor 4 is adjusted to be driven in the forward and reverse directions through a switch 15, a gear shifter 9 is adjusted to change the rotating speed of the motor 4, the proper filling speed is achieved, the control is convenient, when a medicament is extruded, the motor 4 is started through a controller 13, the switch 15 is pressed, the motor 4 rotationally drives a lead screw 16 to rotate, the lead screw 16 drives a nut 5 to move, a push rod 6 is further driven to extrude a push block 7, the push block 7 moves, a piston is driven through a piston rod 8 to extrude the medicament in an injector shell 2, meanwhile, a slide block 11 moves to compress a spring 10, when the medicament is taken, the switch 15 is pressed again, the motor 4 drives the lead screw 16 to rotate in the reverse direction, the nut 5 drives the push rod 6 to recover the original position, the spring 10 releases self elastic potential energy to drive the slide block 11 to move, the push block 7 is driven to push the piston rod 8 to move, so that the push block 7 drives the piston to move towards the cavity direction through driving the piston rod 8, the piston moves to enable the syringe shell 2 to generate negative pressure, so that the medicament is extracted, and the screw rod 16 and the nut 5 are driven in a reciprocating mode.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel medical automatic push-and-pull syringe device, includes equipment body (1) and syringe shell (2), its characterized in that: the device comprises a device body (1), a cavity is formed in one end inside the device body (1), a placing cavity is formed in the other end inside the device body (1), a battery (3) is fixedly arranged at one end, far away from the placing cavity, of the cavity, a motor (4) is fixedly arranged at one end, close to the placing cavity, of the battery (3), a lead screw (16) is fixedly connected to the output end, far away from the direction of the battery (3), of the motor (4), a nut (5) is connected to one end, far away from the motor (4), of the lead screw (16) in a threaded manner, a push rod (6) is fixedly connected to one end, far away from the lead screw (16), of the nut (5), a syringe shell (2) is connected to the inner clamping manner of the placing cavity, a piston is connected to the inner portion of the syringe shell (2) in a sliding manner, a piston rod (8) is fixedly connected to one end, close to the cavity, of the piston rod (8) extends to a push block (7) fixedly connected to the cavity, the gear shifter (9) is fixedly arranged at one end of the top of the equipment body (1), and the switch (15) is fixedly arranged in the middle of the equipment body (1).

2. A novel medical automatic push-pull injector device according to claim 1, characterized in that: the other end of the cavity is connected with a sliding block (11) located on the periphery of the piston rod (8) in a sliding mode, a groove is formed in the inner ring, close to one side of the push block (7), of the sliding block (11), the groove is connected with the peripheral block, close to one end of the piston rod (8), of the push block (7) in a clamping mode, two springs (10) are fixedly connected to the other side of the sliding block (11), and the two springs (10) are located on two sides of the piston rod (8) respectively.

3. A novel medical automatic push-pull injector device according to claim 1, characterized in that: the device is characterized in that a placing through hole (12) corresponding to the injector shell (2) is formed in the front end of the device body (1), a controller (13) is fixedly arranged at the other end of the front end of the device body (1), the motor (4), the gear shifter (9) and the switch (15) are electrically connected with the controller (13), and the controller (13) is electrically connected with the battery (3).

4. A novel medical automatic push-pull injector device according to claim 1, characterized in that: the battery (3) is a rechargeable lithium battery.

5. A novel medical automatic push-pull injector device according to claim 1, characterized in that: the motor (4) is a direct-current variable frequency motor.

6. A novel medical automatic push-pull injector device according to claim 1, characterized in that: one end of the equipment body (1) is fixedly provided with a hanging ring (14).

7. A novel medical automatic push-pull injector device according to claim 1, characterized in that: one end of the syringe shell (2) departing from the piston rod (8) extends to the outside.