CN216496870U

CN216496870U - Injector boosting device

Info

Publication number: CN216496870U
Application number: CN202122623584.6U
Authority: CN
Inventors: 韦淑青; 陈玲丽; 陈霞玲; 黄柳华
Original assignee: 924th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 924th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-13
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the field of medical auxiliary appliances, and discloses a syringe boosting device which comprises a cylindrical boosting cylinder, and a plug and a boosting assembly which are respectively arranged at the front end and the rear end of the boosting cylinder, wherein the front end of the boosting cylinder is provided with an opening, the plug is detachably arranged on the opening, the middle part of the plug is provided with a through hole in a penetrating manner, one end of the plug, facing the boosting cylinder, is provided with a limiting groove, the boosting assembly comprises a guide rod, a pushing block, a driving handle, a connecting rod and a tension spring, one end of the guide rod is fixedly connected with the rear end of the boosting cylinder, the pushing block is in sliding fit with the guide rod, one end of the driving handle is hinged with the outer wall of the rear end of the boosting cylinder, the other end of the driving handle is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the pushing block, and the tension spring is sleeved on the guide rod. The injector boosting device provided by the utility model can help medical staff to easily and labor-savingly complete injection of progesterone injection, and reduce damage to fingers of the medical staff in an injection process.

Description

Injector boosting device

Technical Field

The utility model relates to the field of medical auxiliary appliances, in particular to a boosting device of an injector.

Background

In departments such as emergency departments, gynecology departments, reproductive centers and the like of hospitals, some patients need to inject progesterone injection for fetus protection, as shown in fig. 1, an injector clinically used for injecting progesterone injection at present generally comprises an injection tube 18 and a plunger 19, a needle head is arranged at the front end of the injection tube 18, flanges 20 symmetrically extend outwards from the edge of the rear end of the injection tube 18, one end of the plunger 19 is provided with a rubber plug in sliding fit with the injection tube 18, the other end of the plunger 19 extends to the outside of the injection tube 18 and is provided with a push sheet 21, during the process of clinically injecting the progesterone injection, the progesterone injection is oily liquid, is viscous, the needle head of the injector is small, when the injection is performed, the injection resistance is very large, the operation is very laborious, the injection time is long, some medical personnel need to perform injection operation of a large amount of progesterone injection in a day, the push sheet 21 is pushed by fingers for a long time, easily causing damage to fingers.

Disclosure of Invention

The utility model aims to solve the technical problems and provides the injector boosting device which can help medical staff to easily and labor-savingly complete injection of progesterone injection and reduce the harm to fingers of the medical staff in the injection process.

The utility model is realized by the following technical scheme: a syringe boosting device comprises a cylindrical boosting cylinder, a plug and a boosting assembly, wherein the plug and the boosting assembly are respectively arranged at the front end and the rear end of the boosting cylinder, the front end of the boosting cylinder is provided with an opening, the plug is detachably arranged on the opening, the middle part of the plug is provided with a through hole through which an injection tube can pass, one end of the plug, facing the boosting cylinder, is provided with a limiting groove in clamping fit with a convex edge of the injection tube, the boosting assembly comprises a guide rod, a pushing block, a driving handle, a connecting rod and a tension spring, the guide rod is arranged along the axial direction of the boosting cylinder, one end of the guide rod is fixedly connected with the rear end of the boosting cylinder, the pushing block is in sliding fit with the guide rod and can slide along the axial direction of the guide rod, one end of the driving handle is hinged with the outer wall at the rear end of the boosting cylinder, the other end of the driving handle is hinged with one end of the connecting rod, the other end of the connecting rod is hinged with the pushing block, and the tension spring is sleeved on the guide rod, one end of the push rod is fixedly connected with the push block, and the other end of the push rod is fixedly connected with the guide rod.

Preferably, the outer wall of the plug towards one end of the boosting cylinder is provided with an internal thread connecting part, and the outer wall of the boosting cylinder is provided with an external thread connecting part in thread fit with the internal thread connecting part.

Preferably, the inner wall of the boosting cylinder, which is located at one end of the external thread connecting part, is provided with a pressing sheet, and after the plug is in threaded connection with the boosting cylinder, the pressing sheet can be in compression joint with the convex edge so as to fix the convex edge in the limiting groove.

Preferably, one end of the plug, which faces away from the boosting cylinder, is provided with a rubber pad, and the middle of the rubber pad is provided with a limiting hole in interference fit with the injection cylinder.

Preferably, the side part of the boosting cylinder is provided with a waist-shaped opening along the length direction of the boosting cylinder, and the connecting rod penetrates into the boosting cylinder through the opening and can move relative to the opening.

Preferably, the two driving handles are symmetrically arranged on two sides of the boosting cylinder, and the two driving handles are respectively connected with two sides of the pushing block through connecting rods.

Preferably, one end of the driving handle connected with the connecting rod is provided with a limit convex strip at one side back to the boosting cylinder.

Preferably, one end of the push block, which is back to the tension spring, is provided with a groove matched with the push piece.

The beneficial effects are that: compared with the prior art, the injector boosting device has the advantages that the plug is detachably arranged at the front end of the boosting cylinder, the injector can be firstly arranged on the plug, then the plug is fixedly arranged at the front end of the boosting cylinder, so that the plunger of the injector is arranged in the boosting cylinder, meanwhile, the stability of the installation of the injector can be improved by arranging the limiting groove matched with the convex edge in a clamping way on the plug, the injector is prevented from rotating relative to the boosting cylinder, in the injection process, after a medical worker holds the boosting cylinder, the medical worker can simultaneously press the driving handle through a plurality of fingers to drive the pushing block to slide forwards along the guide rod, so that the pushing block is abutted against the pushing piece and pushes the plunger to move forwards, the injection of progesterone injection is realized, the operation is simple and labor-saving, and the injection of the progesterone injection can be easily and labor-saving completed by the medical worker, reduce the injection in-process and lead to the fact the injury to medical personnel's finger to after the injection is accomplished, the extension spring can drive the ejector pad along the guide bar backward slip under the effect of self elasticity, realizes the automatic re-setting of actuating handle, so that the injection operation next time.

Drawings

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic diagram of a prior art injector;

FIG. 2 is a schematic view of the structure of the syringe assist device of the present invention;

fig. 3 is a schematic structural view of the plug in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 2 and fig. 3, a syringe boosting device comprises a cylindrical boosting cylinder 1, a plug 2 and a boosting assembly, wherein the plug 2 and the boosting assembly are respectively arranged at the front end and the rear end of the boosting cylinder 1, the front end of the boosting cylinder 1 is provided with an opening, the plug 2 is detachably mounted on the opening, the middle part of the plug 2 is provided with a through hole 3 through which an injection tube 18 can pass, one end of the plug 2 facing the boosting cylinder 1 is provided with a limit groove 4 in clamping fit with a convex edge 20, the boosting assembly comprises a guide rod 5, a push block 6, a driving handle 7, a connecting rod 8 and a tension spring 9, the guide rod 5 is arranged along the axial direction of the boosting cylinder 1, one end of the guide rod 5 is fixedly connected with the rear end of the boosting cylinder 1, the push block 6 is in sliding fit with the guide rod 5 and can slide along the axial direction of the guide rod 5, the outer wall at the rear end of the boosting cylinder 1 is convexly provided with a first connecting ear part, one end of the driving handle 7 is hinged with the first connecting ear part through a shaft body, the other end of the driving handle 7 is hinged to one end of the connecting rod 8 through the shaft body, the other end of the connecting rod 8 is hinged to a second connecting lug portion convexly arranged on the side wall of the push block 6 through the shaft body, the tension spring 9 is sleeved on the guide rod 5, one end of the tension spring is fixedly connected with the push block 6, and the other end of the tension spring is fixedly connected with the guide rod 5.

When the injector boosting device is used, the front end of an injection tube 18 penetrates through a through hole 3 of a plug 2, a convex edge 20 at the rear end of the injection tube 18 is in clamping fit with a limiting groove 4 on the plug 2, then the plug 2 is installed on an opening at the front end of the boosting tube 1, so that a plunger 19 extends into the boosting tube 1, the plug 2 is provided with the limiting groove 4 in clamping fit with the convex edge 20 of the injection tube 18, the stability of injector installation can be improved, the rotation of the injector relative to the boosting tube 1 is prevented, in the injection process, after a medical worker holds the boosting tube 1, the medical worker can simultaneously press a driving handle 7 through a plurality of fingers, drive a push block 6 to slide forwards along a guide rod 5 through a connecting rod 8, so that the push block 6 is abutted against a push sheet 21 and pushes the plunger 19 to move forwards, so as to realize the injection of progesterone injection, the operation is simple and labor-saving, make medical personnel can light laborsaving completion progesterone injection of injection, reduce the injection in-process and point to medical personnel and cause the injury to the extension spring 9 can drive ejector pad 6 along guide bar 5 backward slip under the effect of self elasticity after the injection is accomplished, realizes actuating handle 7's automatic re-setting, so that next injection operation.

In one of them embodiment, end cap 2 can be cylindricly, and its one end of being connected with boost section of thick bamboo 1 is uncovered, and the other end sets up the baffle, and the middle part of baffle is provided with through-

hole

3, 2 inner walls of end cap are provided with the boss, and on the boss was located to spacing groove 4, end cap 2 was provided with female threaded connection portion 10 towards the outer wall of 1 one end of boost section of thick bamboo, and the outer wall of boost section of thick bamboo 1 is provided with the male connection portion 11 with female threaded connection portion 10 screw-thread fit, through adopting screw-thread fit's mode, realizes dismantling of end cap 2 and boost section of thick bamboo 1 and is connected, easy dismounting, connection structure is stable.

Further, the inner wall of the boosting cylinder 1, which is located at one end of the external thread connecting part 11, can be provided with a pressing sheet 12, and after the plug 2 is in threaded connection and matching with the boosting cylinder 1, the pressing sheet 12 can be in compression joint with the convex edge 20 to fix the convex edge 20 in the limiting groove 4, so that the injection cylinder 18 is prevented from moving back and forth relative to the plug 2, and the stability of the injection cylinder in the injection process is improved.

In another embodiment, a rubber pad 13 may be disposed at an end of the plug 2 opposite to the boost cylinder 1, the rubber pad 13 is embedded in the plug 2, a limiting hole 14 in interference fit with the syringe 18 is disposed in a middle portion of the rubber pad 13, and when the syringe 18 is installed, the syringe 18 is prevented from moving relative to the plug 2 by the interference fit between the limiting hole 14 and an outer wall of the syringe 18, so that the connection stability between the syringe 18 and the plug 2 is further improved.

In a preferred embodiment, the lateral part of the boosting cylinder 1 can be provided with a waist-shaped opening 15 along the length direction thereof, the connecting rod 8 penetrates into the boosting cylinder 1 through the opening 15 and can move relative to the opening 15, specifically, one end of the connecting rod 8 is arranged outside the boosting cylinder 1, the other end of the connecting rod extends into the boosting cylinder 1 through the opening 15 and is connected with the push block 6, and by pressing the driving handle 7, the driving handle 7 moves towards the boosting cylinder 1 to drive the connecting rod 8 to move in the opening 15, so that the connecting rod 8 can drive the push block 6 to move forwards along the guide rod 5.

Further, the driving handles 7 can be provided with two, are symmetrically arranged on two sides of the boosting cylinder 1, the two driving handles 7 are respectively connected with two sides of the pushing block 6 through the connecting rod 8, the two driving handles 7 are symmetrically arranged on two sides of the boosting cylinder 1, and the two driving handles 7 can be pressed simultaneously to drive the pushing block 6 to move forwards when in use, so that the pushing block 6 is more balanced in stress, and the medical staff can save more labor during operation.

Furthermore, one end of the driving handle 7 connected with the connecting rod 8 is located on one side of the boosting cylinder 1, which is back to the boosting cylinder, and a limiting convex strip 16 can be arranged in a protruding manner, the limiting convex strip 16 can limit the hand of an operator, so that the hand is prevented from slipping from the driving handle 7 in the operation process, and the stability of the operator for holding the driving handle 7 is improved.

In a more preferred embodiment, one end of the push block 6, which is opposite to the tension spring 9, is provided with a groove 17 matched with the push piece 21, specifically, the size of the groove 17 is matched with the size of the push piece 21, so that after the push piece 21 is matched with the groove 17, the situation that the push piece 21 moves relative to the push block 6 in the pushing process of the push block 6 can be reduced, the stress of the push piece 21 is more stable, and the stability of connection between the rear end of the plunger 19 and the push block 6 is ensured.

The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.

Claims

1. A syringe boosting device is characterized by comprising a cylindrical boosting cylinder (1), a plug (2) and a boosting assembly, wherein the plug (2) and the boosting assembly are respectively arranged at the front end and the rear end of the boosting cylinder (1), the front end of the boosting cylinder (1) is provided with an opening, the plug (2) is detachably arranged on the opening, the middle part of the plug (2) is provided with a through hole (3) through which an injection tube (18) can pass, one end, facing the boosting cylinder (1), of the plug (2) is provided with a limiting groove (4) in clamping fit with a convex edge (20) of the injection tube (18), the boosting assembly comprises a guide rod (5), a pushing block (6), a driving handle (7), a connecting rod (8) and a tension spring (9), the guide rod (5) is arranged along the axial direction of the boosting cylinder (1), one end of the guide rod (5) is fixedly connected with the rear end of the boosting cylinder (1), the pushing block (6) is in sliding fit with the guide rod (5) and can slide along the axial direction of the guide rod (5), one end of the driving handle (7) is hinged with the outer wall of the rear end of the boosting cylinder (1), the other end of the driving handle is hinged with one end of a connecting rod (8), the other end of the connecting rod (8) is hinged with the push block (6), the tension spring (9) is sleeved on the guide rod (5), one end of the tension spring is fixedly connected with the push block (6), and the other end of the tension spring is fixedly connected with the guide rod (5).

2. A syringe booster according to claim 1, characterised in that the outer wall of the end cap (2) facing the booster cylinder (1) is provided with an internal threaded connection (10), and the outer wall of the booster cylinder (1) is provided with an external threaded connection (11) which is in threaded engagement with the internal threaded connection (10).

3. The injector boosting device according to claim 2, wherein the inner wall of the boosting barrel (1) at one end of the external thread connecting part (11) is provided with a pressing sheet (12), and after the plug (2) is in threaded connection and matching with the boosting barrel (1), the pressing sheet (12) can be in compression joint with the convex edge (20) so as to fix the convex edge (20) in the limiting groove (4).

4. The syringe boosting device according to claim 1, wherein a rubber pad (13) is arranged at one end of the plug (2) opposite to the boosting barrel (1), and a limiting hole (14) which is in interference fit with the syringe barrel (18) is arranged in the middle of the rubber pad (13).

5. A syringe assist device according to claim 1, wherein the side of the assist barrel (1) is provided with a waist-shaped opening (15) along its length, and the connecting rod (8) is inserted into the assist barrel (1) through the opening (15) and is movable relative to the opening (15).

6. The injector boosting device according to claim 1, wherein two driving handles (7) are arranged and symmetrically arranged at two sides of the boosting cylinder (1), and the two driving handles (7) are respectively connected with two sides of the pushing block (6) through connecting rods (8).

7. A syringe booster according to claim 1, characterised in that the end of the drive handle (7) connected to the connecting rod (8) is provided with a protruding limit rib (16) on the side facing away from the booster (1).

8. A syringe booster according to claim 1, characterised in that the end of the push block (6) facing away from the tension spring (9) is provided with a recess (17) which cooperates with the push tab (21).