CN212997802U

CN212997802U - Improved fulvestrant injector

Info

Publication number: CN212997802U
Application number: CN202020533612.8U
Authority: CN
Inventors: 姬晓涛; 李敏玲
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-04-20
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses an improved generation fulvestrant syringe, including sleeve, actuating mechanism, the hole of stepping down, mounting panel, slide, locating hole, moving mechanism, coupling mechanism, notes liquid mechanism, handle, first switch, second switch, this improved generation fulvestrant syringe need not medical personnel manual work, can at the uniform velocity inject fulvestrant into the patient internal, can know from this, through using the device in this application, has not only reduced medical personnel's the work degree of difficulty, still effectual misery when having reduced the patient treatment.

Description

Improved fulvestrant injector

Technical Field

The utility model relates to an injector, in particular to an improved fulvestrant injector.

Background

Currently, medical staff use a traditional injector to inject Fulvestrant into a patient, the medical staff can only use the injector to inject Fulvestrant into the patient at a constant speed through working experience, for the medical staff with insufficient working experience, the medical staff can not inject Fulvestrant into the patient uniformly, when the flow rate of Fulvestrant injection is too fast, discomfort during treatment of the patient is easy to cause, and pain in treatment of the patient is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: an improved fulvestrant injector is provided to address the problems set forth in the background.

In order to solve the technical problem, the technical scheme of the utility model is that: an improved fulvestrant injector comprises a sleeve, a driving mechanism, a abdicating hole, a mounting plate, a sliding plate, a positioning hole, a moving mechanism, a connecting mechanism, a liquid injection mechanism, a handle, a first switch and a second switch, the right side in the sleeve is fixedly provided with a driving mechanism, the upper end and the lower end in the sleeve are integrally provided with abdicating holes, the left side in the sleeve is fixedly provided with a mounting plate in a sealing way, the outside of the driving mechanism is sheathed with a sliding plate in a threaded way, the upper end and the lower end of the inside of the sliding plate are integrally provided with positioning holes, the sleeve, the sliding plate and the right side of the mounting plate are provided with a moving mechanism in a sliding penetrating way, the upper end and the lower end of the moving mechanism are fixedly provided with connecting mechanisms, the left side of the sleeve is sleeved with a liquid injection mechanism through a taper thread, the sleeve outside front end solid be equipped with the handle, handle front end left side set firmly the first switch, handle front end left side set firmly the second switch.

Furthermore, the driving mechanism consists of a motor and a screw rod.

Further, the inside right side of sleeve set firmly the motor, the motor left side set firmly the lead screw.

Furthermore, the moving mechanism consists of a U-shaped rod and a rubber plate.

Further, sleeve, slide and mounting panel right side slip to run through and have the U-shaped pole, U-shaped pole left side set firmly the rubber slab.

Furthermore, the connecting mechanism consists of a connecting strip and a screw pin.

Furthermore, the upper end and the lower end of the U-shaped rod are fixedly provided with connecting strips, and the threads on the left side of the connecting strips penetrate through screw pins.

Furthermore, the liquid injection mechanism consists of an installation sleeve and a needle head.

Furthermore, the left side of the sleeve is provided with a mounting sleeve in a taper thread sleeve mode, and a needle head is fixedly penetrated through the left side of the mounting sleeve.

Further, the inside right side tight fit of sleeve be equipped with the lithium cell.

Compared with the prior art, this improved generation fulvestrant syringe need not medical personnel manual work, can at the uniform velocity inject fulvestrant into the patient internal, can know from this, through using the device in this application, has not only reduced medical personnel's the work degree of difficulty, and the misery when still effectual having reduced patient's treatment.

Drawings

FIG. 1 is a partial front cross-sectional view of an improved fulvestrant injector;

FIG. 2 is a bottom view of the sleeve and handle;

figure 3 is a circuit diagram of an improved fulvestrant injector.

The device comprises a sleeve 1, a driving mechanism 2, a yielding hole 3, a mounting plate 4, a sliding plate 5, a positioning hole 6, a moving mechanism 7, a connecting mechanism 8, a liquid injection mechanism 9, a handle 10, a first switch 11, a second switch 12, a motor 13, a lead screw 14, a U-shaped rod 15, a rubber plate 16, a connecting strip 17, a screw pin 18, a mounting sleeve 19, a needle 20 and a lithium battery 21.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.

Example 1

As shown in fig. 1, an improved fulvestrant injector comprises a sleeve 1, a driving mechanism 2, a yielding hole 3, a mounting plate 4, a sliding plate 5, a positioning hole 6, a moving mechanism 7, a connecting mechanism 8, a liquid injection mechanism 9, a handle 10, a first switch 11 and a second switch 12, wherein the driving mechanism 2 is fixedly arranged on the right side inside the sleeve 1, the yielding hole 3 is integrally arranged at the upper end and the lower end inside the sleeve 1, the mounting plate 4 is fixedly arranged on the left side inside the sleeve 1 in a sealing manner, the sliding plate 5 is sleeved outside the driving mechanism 2 in a threaded manner, the positioning hole 6 is integrally arranged at the upper end and the lower end inside the sliding plate 5, the moving mechanism 7 is slidably penetrated through the right side of the sleeve 1, the connecting mechanism 8 is fixedly arranged at the upper end and the lower end of the moving mechanism 7, the mechanism 9 is sleeved on a cone thread on the left side of the sleeve 1, the handle 10 is fixedly arranged at the, a first switch 11 is fixedly arranged on the left side of the front end of the handle 10, and a second switch 12 is fixedly arranged on the left side of the front end of the handle 10.

This improved generation fulvestrant syringe, medical personnel hold handle 10 with the left hand, move annotate liquid mechanism 9 in the container that is equipped with fulvestrant again, medical personnel reuse right hand power and pull moving mechanism 7 to this inhales fulvestrant in annotating liquid mechanism 9, inhale after finishing, medical personnel makes moving mechanism 7 and slide 5 link as an organic whole through the use to coupling mechanism 8, medical personnel will annotate liquid mechanism 9 again and puncture to patient's treatment position, open first switch 11 again, let actuating mechanism 2 drive slide 5 together with coupling mechanism 8 and moving mechanism 7 will annotate the interior fulvestrant of liquid mechanism 9 at the uniform velocity of injection patient.

Example 2

As shown in fig. 1 and 2, an improved fulvestrant injector comprises a sleeve 1, a driving mechanism 2, a yielding hole 3, a mounting plate 4, a sliding plate 5, a positioning hole 6, a moving mechanism 7, a connecting mechanism 8, a liquid injection mechanism 9, a handle 10, a first switch 11 and a second switch 12, wherein the driving mechanism 2 is fixedly arranged on the right side inside the sleeve 1, the yielding hole 3 is integrally formed at the upper end and the lower end inside the sleeve 1, the mounting plate 4 is fixedly arranged on the left side inside the sleeve 1 in a sealing manner, the sliding plate 5 is sleeved outside the driving mechanism 2 in a threaded manner, the positioning hole 6 is integrally formed at the upper end and the lower end inside the sliding plate 5, the moving mechanism 7 is slidably penetrated through the right side of the sleeve 1, the connecting mechanism 8 is fixedly arranged at the upper end and the lower end of the moving mechanism 7, the liquid injection mechanism 9 is sleeved on the left side of the sleeve 1 in a tapered threaded manner, the handle 10 is fixedly arranged, the utility model discloses a handle 10, including handle 10, drive mechanism 7, sleeve 1, slide 5 and mounting panel 4, the inside right side of sleeve 1 set firmly motor 13, motor 13 left side set firmly lead screw 14, moving mechanism 7 constitute by U-shaped pole 15 and rubber slab 16, sleeve 1, slide 5 and mounting panel 4 right side slide and run through U-shaped pole 15, U-shaped pole 15 left side set firmly rubber slab 16, coupling mechanism 8 constitute by connecting strip 17 and spiral pin 18, U-shaped pole 15 upper and lower both ends set firmly connecting strip 17, connecting strip 17 left side screw thread run through spiral pin 18, notes liquid mechanism 9 constitute by mounting sleeve 19 and syringe needle 20, sleeve 1 left side taper thread bush be equipped with mounting sleeve 19, mounting sleeve 19 left side fixed the penetration of syringe needle 20, the right side in the sleeve 1 is provided with a lithium battery 21 in a close fit manner.

When the improved fulvestrant injector is used, a medical worker holds the handle 10 with the left hand, moves the needle 20 into a container filled with fulvestrant, pulls the U-shaped rod 15 with the right hand, so that the U-shaped rod 15 drives the rubber plate 16 to move from left to right along the direction of the mounting sleeve 19, namely, the fulvestrant is sucked into the mounting sleeve 19 until the screw pin 18 coincides with the positioning hole 6, the medical worker firstly releases the U-shaped rod 15 with the hand and then screws the screw pin 18 into the positioning hole 6 with the right hand, in order to connect the U-shaped rod 15 and the sliding plate 5 into a whole, the medical worker takes the needle 20 out of the container and then punctures the needle 20 into the treatment part of a patient, the medical worker opens the second switch 12 with the hand to start the forward rotation function of the motor 13, at the moment, the motor 13 drives the screw rod 14 to rotate clockwise, the rotation speed of the motor 13 is at a constant speed, under the effect of screw transmission of the screw rod 14 and the sliding plate 5, the sliding plate 5 drives the screw pin 18 to move from right to left along the direction of the mounting sleeve 19 in a linkage manner, so that the screw pin 18, the U-shaped rod 15 and the rubber plate 16 move from right to left, namely the rubber plate 16 injects fulvestrant in the mounting sleeve 19 into a patient body from a needle 20 at a constant speed, after injection is completed, medical personnel close the first switch 11, take the needle 20 out of the patient body and open the second switch 12, so as to start the reverse rotation function of the motor, the operation steps are opposite to those described above, namely the rubber plate 16 is reset, the abdicating hole 3 is used for giving up the moving space of the screw pin 18, and the inner cross section of the sleeve 1 and the cross section of the sliding plate 5 are square.

As shown in fig. 3, the lithium battery 21 in the present application is for providing energy supply for the device, the lithium battery 21 is connected to the first switch 11, the second switch 12 and the motor 13 through wires, and the motor 13 is a micro motor with a uniform speed, and the model number of the micro motor is preferably 42 LXJS-1.

Claims

1. An improved fulvestrant injector is characterized by comprising a sleeve, a driving mechanism, a abdication hole, a mounting plate, a sliding plate, a positioning hole, a moving mechanism, a connecting mechanism, a liquid injection mechanism, a handle, a first switch and a second switch, the right side in the sleeve is fixedly provided with a driving mechanism, the upper end and the lower end in the sleeve are integrally provided with abdicating holes, the left side in the sleeve is fixedly provided with a mounting plate in a sealing way, the outside of the driving mechanism is sheathed with a sliding plate in a threaded way, the upper end and the lower end of the inside of the sliding plate are integrally provided with positioning holes, the sleeve, the sliding plate and the right side of the mounting plate are provided with a moving mechanism in a sliding penetrating way, the upper end and the lower end of the moving mechanism are fixedly provided with connecting mechanisms, the left side of the sleeve is sleeved with a liquid injection mechanism through a taper thread, the sleeve outside front end solid be equipped with the handle, handle front end left side set firmly the first switch, handle front end left side set firmly the second switch.

2. An improved fulvestrant injector according to claim 1 wherein said drive mechanism comprises a motor and a lead screw.

3. The improved fulvestrant injector according to claim 2, wherein a motor is fixedly arranged on the right side inside the sleeve, and a screw rod is fixedly arranged on the left side of the motor.

4. An improved fulvestrant injector according to claim 1 wherein said movement mechanism comprises a U-shaped lever and a rubber plate.

5. The improved fulvestrant injector according to claim 4, wherein a U-shaped rod is slidably inserted through the right sides of the sleeve, the sliding plate and the mounting plate, and a rubber plate is fixedly arranged on the left side of the U-shaped rod.

6. An improved fulvestrant injector according to claim 1 wherein said connection means comprises a connecting strip and a threaded pin.

7. The improved fulvestrant injector according to claim 5, wherein the upper end and the lower end of the U-shaped rod are fixedly provided with a connecting bar, and a threaded pin penetrates through the left side thread of the connecting bar.

8. The improved fulvestrant injector of claim 1 wherein said injection mechanism comprises a mounting sleeve and a needle.

9. The improved fulvestrant injector according to claim 8, wherein a mounting sleeve is sleeved on the left side of the sleeve in a tapered threaded manner, and a needle is fixedly arranged on the left side of the mounting sleeve in a penetrating manner.

10. The improved fulvestrant injector of claim 1 wherein the right side of the interior of the barrel is closely fitted with a lithium battery.