CN218961108U

CN218961108U - Instrument with needle fixing structure

Info

Publication number: CN218961108U
Application number: CN202222823349.8U
Authority: CN
Inventors: 周海
Original assignee: Wuhan Yidianmei Medical Beauty Outpatient Department Co ltd
Current assignee: Wuhan Yidianmei Medical Beauty Outpatient Department Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-05
Anticipated expiration: 2032-10-25

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an instrument with a needle fixing structure. The utility model pushes the movable block downwards to move downwards, so that the clamping and positioning mechanism rotates upwards to be opened, then, when the transfusion needle is arranged at the upper end of the liquid storage needle tube, the movable block is loosened to reset through the supporting spring, when the movable block drives the fixed block rotationally connected with the mounting frame to move upwards, the limiting rod can extrude the inclined guide groove at the bottom of the fixed block, and the fixed block can drive the positioning rod to rotate towards the direction of the transfusion needle until the positioning rod is attached to the upper end face of the boss at the bottom of the transfusion needle, so that the transfusion needle can be clamped and positioned, and the stable work and transfusion of the transfusion needle can be ensured.

Description

Instrument with needle fixing structure

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an instrument with a needle fixing structure.

Background

Eyes are one of the vital parts of human body, people can watch colorful world through the eyes and feel bright and beautiful, so people pay more and more attention to the eyes, and in order to make the eyes more attractive, the eyes are popular, such as double eyelid cutting operation, and the like, and the eye plastic operation is a common and very mature technology.

Before eye plastic surgery, need use instruments such as injector to pour into anesthesia into skin earlier, play anesthesia anti-pain's effect, and the instrument of common on the market at present does not have the fixed reinforced structure of syringe needle, is pushing away the in-process of annotating anesthesia, and the syringe needle appears becoming flexible easily to the condition that can lead to appearing weeping, syringe needle to drop, thereby can influence the pushing away of anesthesia liquid medicine, influence eye plastic surgery's going on. Accordingly, there is an urgent need for improvements to existing devices to provide a device with a needle attachment structure.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides the device with the needle fixing structure, which has the advantages of reasonable design and simple structure, and is used for solving the problems that the needle is easy to loose in the process of performing injection anesthesia, and the condition of liquid leakage and needle falling off can be caused, so that the injection of anesthetic liquid is influenced, the performance of eye plastic surgery is influenced and the like in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an apparatus with syringe needle fixed knot constructs, its includes the stock solution needle tubing, the internally mounted of stock solution needle tubing has the push rod, and the top of stock solution needle tubing is connected with the infusion syringe needle, the centre gripping positioning mechanism is installed in the outside of infusion syringe needle, and the one end of centre gripping positioning mechanism just is located the top place ahead of stock solution needle tubing and is provided with fixed extrusion mechanism, and state control mechanism is installed to fixed extrusion mechanism's below.

As a preferred implementation mode, the clamping and positioning mechanism comprises a positioning rod, a connecting block and a fixing block, wherein the two connecting blocks are respectively arranged at the front of the left end and the right end of the positioning rod, one end, deviating from the positioning rod, of each connecting block is connected with the fixing block, and the two fixing blocks and the two connecting blocks are correspondingly arranged.

As a preferred implementation mode, the cross section of the positioning rod is in a semicircular arrangement, two ends of the connecting block are respectively and fixedly arranged on one side surface of the positioning rod, which is close to the fixed block, and the bottom of the fixed block is provided with an inclined guide groove.

As a preferred embodiment, the fixed extrusion mechanism comprises a limiting rod and a supporting frame, and the limiting rod is fixedly arranged between the front ends of the two supporting frames.

As a preferable implementation mode, the rear end of the supporting frame is fixedly arranged on the outer wall of the top of the liquid storage needle tube, and the limiting rod is positioned in the inclined guide groove at the bottom of the fixed block.

As a preferred implementation mode, the state control mechanism comprises a movable block, a mounting frame, a guide rod and a supporting spring, wherein the mounting frame is fixedly arranged above the left end and the right end of the movable block, the middle part of the rear end of the movable block is connected with the guide rod in a penetrating manner, and the supporting spring is arranged on the periphery side of the guide rod and below the movable block.

As a preferred implementation mode, the connection mode of mounting bracket and fixed block is the rotation and is connected, and the movable block links to each other with the guide bar is slided, and the upper and lower both ends of guide bar all are equipped with lug and liquid storage needle tubing fixed connection.

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

in the scheme of the utility model:

the movable block is pushed downwards to move downwards, so that the clamping and positioning mechanism rotates upwards to be opened, then when the infusion needle is arranged at the upper end of the liquid storage needle tube, the movable block is loosened, the movable block is reset through the supporting spring, when the movable block drives the fixed block rotationally connected with the mounting frame to move upwards, the limiting rod can extrude the inclined guide groove at the bottom of the fixed block, the fixed block can drive the positioning rod to rotate towards the direction of the infusion needle until the positioning rod is attached to the upper end face of the boss at the bottom of the infusion needle, at the moment, the effect of clamping and positioning the infusion needle can be achieved, and the stable work and infusion of the infusion needle can be ensured;

through the setting of guide bar, can improve the lift adjustment stability of movable block to under the effect of supporting spring, can make the locating lever exert pressure to the transfusion needle, extrude the location to the transfusion needle.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and the following description will be made with reference to the drawings:

FIG. 1 is a schematic diagram of a three-dimensional front view structure of the present utility model;

FIG. 2 is a schematic diagram of a three-dimensional side view of the present utility model;

FIG. 3 is a schematic diagram of the front view of the clamping and positioning mechanism of the present utility model;

FIG. 4 is a schematic elevational view of the stationary extrusion mechanism of the present utility model;

fig. 5 is a schematic front view of the state control mechanism of the present utility model.

In the figure:

1. a liquid storage needle tube; 2. a bolus rod; 3. an infusion needle; 4. a clamping and positioning mechanism; 41. a positioning rod; 42. a connecting block; 43. a fixed block; 5. a fixed extrusion mechanism; 51. a limit rod; 52. a support frame; 6. a state control mechanism; 61. a movable block; 62. a mounting frame; 63. a guide rod; 64. and a support spring.

Detailed Description

The embodiments described below are only some of the embodiments of the present utility model and do not represent all embodiments consistent with the present utility model. Exemplary embodiments will now be described with reference to the accompanying drawings in which:

as shown in one of figures 1 to 5, the device provided with the needle fixing structure comprises a liquid storage needle tube 1, wherein a push rod 2 is arranged in the liquid storage needle tube 1, the push rod 2 is convenient for pushing liquid medicine, the top end of the liquid storage needle tube 1 is connected with an infusion needle 3, a clamping and positioning mechanism 4 is arranged on the outer side of the infusion needle 3, the clamping and positioning mechanism 4 is convenient for clamping and positioning the infusion needle 3, a fixed extrusion mechanism 5 is arranged at one end of the clamping and positioning mechanism 4 and positioned in front of the top of the liquid storage needle tube 1, the clamping and positioning mechanism 4 is convenient to control to rotate under the action of the fixed extrusion mechanism 5, a state control mechanism 6 is arranged below the fixed extrusion mechanism 5, and the state of the clamping and positioning mechanism 4 is convenient to adjust through the arranged state control mechanism 6.

As a preferred embodiment, on the basis of the above structure, the clamping and positioning mechanism 4 further includes a positioning rod 41, a connecting block 42 and a fixing block 43, where the two connecting blocks 42 are respectively disposed in front of the left and right ends of the positioning rod 41, one end of the connecting block 42, which is away from the positioning rod 41, is connected with the fixing block 43, and the two fixing blocks 43 are correspondingly disposed with the two connecting blocks 42, so that the infusion needle 3 is convenient to be clamped and positioned under the action of the positioning rod 41.

As a preferred embodiment, based on the above structure, the cross section of the positioning rod 41 is in a semicircular shape, two ends of the connecting block 42 are respectively and fixedly mounted on one side surface of the positioning rod 41 and the fixing block 43, which are close to each other, and an inclined guide groove is formed at the bottom of the fixing block 43, so that the positioning rod 41 can be driven to synchronously rotate by the fixing block 43.

As a preferred embodiment, based on the above structure, the fixed pressing mechanism 5 further includes a limit rod 51 and supporting frames 52, and the limit rod 51 is fixedly installed between the front ends of the two supporting frames 52, so that the fixed block 43 is pressed and rotated under the action of the fixed pressing mechanism 5.

As a preferred embodiment, on the basis of the above structure, the rear end of the supporting frame 52 is fixedly mounted on the top outer wall of the liquid storage needle tube 1, the limit rod 51 is located in the inclined guide groove at the bottom of the fixed block 43, and the installation of the limit rod 51 is facilitated by the arrangement of the supporting frame 52.

As a preferred embodiment, on the basis of the above structure, further, the state control mechanism 6 includes a movable block 61, a mounting frame 62, a guide rod 63 and a supporting spring 64, the mounting frame 62 is fixedly disposed above the left and right ends of the movable block 61, the guide rod 63 is connected in a penetrating manner to the middle of the rear end of the movable block 61, the supporting spring 64 is mounted on the periphery of the guide rod 63 and below the movable block 61, and the movable block 61 is convenient to push the fixed block 43 to lift and enable the fixed block 43 to drive the positioning rod 41 to rotate.

As a preferred embodiment, on the basis of the above structure, further, the connection mode of the mounting frame 62 and the fixed block 43 is a rotary connection, the movable block 61 is slidably connected with the guide rod 63, the upper and lower ends of the guide rod 63 are respectively provided with a bump fixedly connected with the liquid storage needle tube 1, and under the action of the guide rod 63, the lifting adjustment stability of the movable block 61 can be improved.

The working principle of the utility model is as follows:

when the infusion needle 3 is installed, the movable block 61 is manually pushed to move downwards, the movable block 61 drives the fixed block 43 which rotates with the mounting frame 62 to move downwards, the fixed block 43 can drive the positioning rod 41 to rotate upwards and lift through the connecting block 42 while moving downwards under the action of the limiting rod 51, and then the infusion needle 3 can be installed at the upper end of the infusion needle 1;

when the transfusion needle 3 is installed, the movable block 61 is loosened, at the moment, the movable block 61 slides upwards to reset along the guide rod 63 under the action of the supporting spring 64, and when the movable block 61 drives the fixed block 43 rotating with the mounting frame 62 to move upwards, the limiting rod 51 can squeeze the inclined guide groove arranged at the bottom of the fixed block 43, so that the fixed block 43 moves upwards and simultaneously can drive the semicircular positioning rod 41 to rotate towards the transfusion needle 3 until the positioning rod 41 is attached to the upper end face of the boss at the bottom of the transfusion needle 3, at the moment, the transfusion needle 3 can be clamped and positioned, and the stable operation and transfusion of the transfusion needle 3 can be ensured;

finally, the device is held by hand, the infusion needle 3 is inserted into the appointed skin, the push rod 2 is pressed, and the anesthetic liquid is pushed into the skin for anesthesia.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model; all equivalent changes, modifications, substitutions and variations on the prior art by logic analysis, reasoning or limited experiments by those skilled in the art, based on the present inventive concept, shall be made within the scope of protection as defined by the claims.

Claims

1. An instrument with needle fixing structure, includes stock solution needle tubing (1), its characterized in that: the infusion needle is characterized in that a push injection rod (2) is arranged in the liquid storage needle tube (1), the top end of the liquid storage needle tube (1) is connected with an infusion needle head (3), a clamping and positioning mechanism (4) is arranged on the outer side of the infusion needle head (3), one end of the clamping and positioning mechanism (4) is positioned in front of the top of the liquid storage needle tube (1), a fixed extrusion mechanism (5) is arranged in front of the top of the liquid storage needle tube (1), and a state control mechanism (6) is arranged below the fixed extrusion mechanism (5).

2. An apparatus provided with a needle attachment structure according to claim 1, wherein: the clamping and positioning mechanism (4) comprises a positioning rod (41), a connecting block (42) and a fixed block (43), wherein the two connecting blocks (42) are respectively arranged in front of the left end and the right end of the positioning rod (41), one end, deviating from the positioning rod (41), of each connecting block (42) is connected with the fixed block (43), and the two fixed blocks (43) and the two connecting blocks (42) are correspondingly arranged.

3. An apparatus provided with a needle attachment structure according to claim 2, wherein: the cross section of locating lever (41) is semi-circular setting, and the both ends of connecting block (42) are fixed mounting respectively on locating lever (41) and fixed block (43) one side surface that is close to each other, and inclined guide way has been seted up to the bottom of fixed block (43).

4. An apparatus provided with a needle attachment structure according to claim 1, wherein: the fixed extrusion mechanism (5) comprises a limiting rod (51) and a supporting frame (52), and the limiting rod (51) is fixedly arranged between the front ends of the two supporting frames (52).

5. An apparatus provided with a needle attachment structure according to claim 4, wherein: the rear end of the supporting frame (52) is fixedly arranged on the outer wall of the top of the liquid storage needle tube (1), and the limiting rod (51) is positioned in an inclined guide groove at the bottom of the fixed block (43).

6. An apparatus provided with a needle attachment structure according to claim 1, wherein: the state control mechanism (6) comprises a movable block (61), a mounting frame (62), guide rods (63) and supporting springs (64), wherein the mounting frame (62) is fixedly arranged above the left end and the right end of the movable block (61), the guide rods (63) are connected in the middle of the rear end of the movable block (61) in a penetrating mode, and the supporting springs (64) are arranged on the periphery of the guide rods (63) and below the movable block (61).

7. An apparatus provided with a needle attachment structure according to claim 6, wherein: the connection mode of mounting bracket (62) and fixed block (43) is rotary connection, and movable block (61) and guide bar (63) slide to link to each other, and the upper and lower both ends of guide bar (63) all are equipped with lug and liquid storage needle tubing (1) fixed connection.