CN219963634U

CN219963634U - Injector capable of being used rapidly

Info

Publication number: CN219963634U
Application number: CN202320501231.5U
Authority: CN
Inventors: 屈明玥; 张小纯; 顾媛媛
Original assignee: Rocket Force Characteristic Medical Center of PLA
Current assignee: Rocket Force Characteristic Medical Center of PLA
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-11-07
Anticipated expiration: 2033-03-15

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a syringe capable of being used rapidly, which comprises a barrel and a pintle penetrating through the barrel, wherein the pintle is cross-shaped, one side of the pintle is uniformly provided with a plurality of unidirectional clamping grooves inclining inwards from top to bottom, the upper part of the barrel is fixedly provided with a mounting seat, a sliding block is slidably arranged in the mounting seat, a clamping block is fixedly arranged on the inner wall of the sliding block, the clamping block penetrates through the side wall of the barrel and is clamped in the unidirectional clamping grooves, a fixed block is arranged on the mounting seat, and a compression spring is arranged between the fixed block and the sliding block. The purpose is that: the syringe is used for preassembling the liquid medicine, and the clamping blocks are matched with the single clamping grooves, so that the syringe can be pulled out quickly through quick pulling of the needle bolt in the emergency treatment process, the rescue time is saved, and the rescue efficiency is improved.

Description

Injector capable of being used rapidly

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a syringe capable of being used rapidly.

Background

In the treatment process of critical patients, the primary principle of the treatment of the patients is to shorten the time from the onset to the treatment means in place as much as possible. Especially, in the pre-hospital emergency and war field emergency processes, the wounded condition of the wounded is critical, the quantity is unbalanced, the matching degree is poor, the contradiction of few people and many things is very prominent, and the quick application of the rescue means can effectively improve the timeliness of the rescue of the wounded and the success rate of the rescue.

The syringe is used as a main medical instrument used in the current treatment medicine application, and in the using process, the conventional operation method is as follows: opening the outer package of the disposable syringe, taking out the syringe, removing the needle cap of the syringe, sucking the liquid medicine from the ampoule bottle or the penicillin bottle which is broken off in advance, and then emptying the air in the syringe to finish the injection of the medicine.

Under the conditions of on-site emergency, pre-hospital emergency and the like, the operation procedures are more complicated, the injector is usually placed in a knapsack or a first-aid kit group, the knapsack is required to be detached from the back to be obtained, the knapsack is opened to find out the storage position of the injector, the corresponding module is opened, and then the suction and injection of the medicine are completed according to the procedures.

The whole operation steps are complicated, and the rapid rescue under the emergency condition is not facilitated, so that the timeliness of the rescue of the sick and wounded and the reduction of the success rate of the rescue can be caused.

Disclosure of Invention

The purpose of the utility model is that: the utility model provides a syringe that can use fast, through the syringe to the liquid medicine pre-installation, rethread fixture block and the mutual cooperation of single draw-in groove for in emergency treatment process, the accessible is pulled out fast to the pintle, realizes that the syringe is pulled out fast, practices thrift the time of rescue, has improved the efficiency of rescue.

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

the utility model provides a syringe that can use fast, includes the barrel and wears to establish the pintle in the barrel, the pintle is the cross, a plurality of from the top down one-way draw-in grooves of inwards sloping have evenly been seted up to one side of pintle, barrel upper portion is fixed to be equipped with the mount pad, slidable mounting has the sliding block in the mount pad, the fixed fixture block that is equipped with of sliding block inner wall, the fixture block passes the lateral wall card of barrel and establishes in one-way draw-in groove, install the fixed block on the mount pad, install compression spring between fixed block and the sliding block.

Further limiting blocks are fixedly arranged on the two sides of the clamping block on the inner side wall of the sliding block, and the two limiting blocks are respectively positioned on the two sides of the pintle. By means of the structural design, the rotation freedom degree of the pintle is limited through the two limiting blocks, the problem that the clamping block is separated from the unidirectional clamping groove due to rotation of the pintle is avoided, and the practicality is high.

Further limited, the upper and lower both sides of sliding block are all fixed and are equipped with the blend stop, the blend stop is located the mount pad. By means of the structural design, the maximum inward movement distance of the sliding block is limited through the barrier strip, the problem that the sliding block falls off due to the fact that the sliding block excessively penetrates into the mounting seat under the action of the compression spring is avoided, and the practicability is high.

Further limited, fixed block demountable installation is on the mount pad, the sliding block is kept away from the fixed connecting rod that is equipped with of fixture block one end, the through-hole has been seted up on the fixed block, the dog is installed to the free end of connecting rod through the through-hole. Through the mutual matching of the connecting rod, the fixed block and the stop block, the compression spring can be sleeved on the connecting rod before the sliding block is mounted on the cylinder, then the connecting rod is arranged in the through hole in a penetrating mode, the stop block is mounted, then the sliding block is arranged in the mounting seat in a penetrating mode, and finally the fixed block is mounted on the mounting seat.

Further defined, the fixed block is threaded onto the mount. By means of the structural design, the installation between the fixing block and the installation seat is completed through the threaded connection between the fixing block and the installation seat, and the installation device is simple in structure and convenient to install.

Further limited, the connecting rod is kept away from slider one end integrated into one piece and has the lug, offered the spacing groove on the dog, the lug card is established in the spacing inslot, wear to be equipped with the bolt on the dog, the bolt passes the dog spiro union on the lug. By means of the structural design, the rotation freedom between the lug and the connecting rod is limited through the mutual matching of the limiting groove and the lug, the fixed connection between the connecting rod and the stop block is completed through the matching of the bolt, the problem that the stop block is loose in the rotation process of the fixed block can be avoided, and the practicability is high.

The utility model adopting the technical scheme has the following advantages:

1. the liquid medicine is preloaded through the injector, and then the fixture blocks are matched with the single-item clamping grooves, so that the injector can be pulled out quickly through pulling out the pintle quickly in the emergency treatment process, the rescue time is saved, and the rescue efficiency is improved;

2. the two limiting blocks limit the rotation freedom degree of the pintle, so that the problem that the clamping block is separated from the unidirectional clamping groove due to the rotation of the pintle is avoided, and the practicability is higher;

3. through the mutually supporting of connecting rod, fixed block and dog, before installing the sliding block at the barrel, can establish compression spring cover on the connecting rod earlier, then wear to establish the connecting rod in the through-hole, install the dog again, later wear to establish the sliding block into the mount pad again, install the fixed block on the mount pad again can, simple to operate.

Drawings

The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic view of a quick-action syringe according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of one embodiment of a quick-use syringe according to the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2A;

FIG. 4 is a schematic view of the slider portion of an embodiment of a quick-action syringe according to the present utility model;

the main reference numerals are as follows:

a cylinder 1, a mounting seat 11, a fixed block 110, a sliding block 12, a compression spring 120, a clamping block 13,

Pintle 2, one-way slot 21,

Stopper 3, blend stop 31, connecting rod 32, dog 33, lug 34, bolt 35.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, wherein like or similar parts are designated by the same reference numerals throughout the drawings or the description, and implementations not shown or described in the drawings are in a form well known to those of ordinary skill in the art. In addition, directional terms such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc. in the embodiments are merely directions with reference to the drawings, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, the injector capable of being used rapidly comprises a cylinder body 1 and a pintle 2 penetrating the cylinder body 1, wherein one side of the pintle 2 is uniformly provided with a plurality of unidirectional clamping grooves 21 inclining inwards from top to bottom, the upper part of the cylinder body 1 is fixedly provided with a mounting seat 11, a sliding block 12 is arranged in the mounting seat 11 in a sliding manner, a clamping block 13 is fixedly arranged on the inner wall of the sliding block 12, the clamping block 13 penetrates through the side wall of the cylinder body 1 and is clamped in the unidirectional clamping groove 21, a fixed block 110 is arranged on the mounting seat 11, and a compression spring 120 is arranged between the fixed block 110 and the sliding block 12.

Limiting blocks 3 are fixedly arranged on the two sides of the clamping block 13 on the inner side wall of the sliding block 12, and the two limiting blocks 3 are respectively positioned on the two sides of the pintle 2. The two limiting blocks 3 limit the rotation freedom degree of the pintle 2, so that the problem that the clamping block 13 is separated from the one-way clamping groove 21 due to rotation of the pintle 2 is avoided, and the practicability is high.

The upper and lower both sides of sliding block 12 are all fixed and are equipped with blend stop 31, and blend stop 31 is located mount pad 11. The maximum inward movement distance of the sliding block 12 is limited through the stop bar 31, so that the problem that the sliding block 12 falls off due to the fact that the sliding block 12 excessively penetrates into the mounting seat 11 under the action of the compression spring 120 is avoided, and the practicability is high.

The fixed block 110 is detachably mounted on the mounting seat 11, a connecting rod 32 is fixedly arranged at one end, far away from the clamping block 13, of the sliding block 12, a through hole is formed in the fixed block 110, and a stop block 33 is mounted at the free end of the connecting rod 32 through the through hole. Through the mutual cooperation of the connecting rod 32, the fixed block 110 and the stop block 33, before the sliding block 12 is installed on the cylinder body 1, the compression spring 120 can be sleeved on the connecting rod 32, then the connecting rod 32 is arranged in the through hole in a penetrating mode, the stop block 33 is installed, then the sliding block 12 is arranged in the installation seat 11 in a penetrating mode, and finally the fixed block 110 is installed on the installation seat 11, so that the installation is convenient.

The fixed block 110 is screwed on the mounting seat 11. The installation between the fixed block 110 and the installation seat 11 is completed through the screw connection between the fixed block 110 and the installation seat 11, and the installation device is simple in structure and convenient to install.

The connecting rod 32 is kept away from slider 12 one end integrated into one piece and has lug 34, has seted up the spacing groove on the dog 33, and lug 34 card is established in the spacing inslot, wears to be equipped with bolt 35 on the dog 33, and bolt 35 passes the dog spiro union on lug 34. Through the cooperation of the limit groove and the lug 34, the degree of freedom of rotation between the lug 34 and the connecting rod 32 is limited, and the fixed connection between the connecting rod 32 and the stop block 33 is completed by the cooperation of the bolt, so that the problem of loosening of the stop block 33 caused by the rotation of the fixed block 110 can be avoided, and the practicability is higher.

In the embodiment, before use, the injector is used for sucking the liquid medicine, and then the liquid medicine and the injector are inserted into the box together for medical staff to use;

when in use, medical staff directly grabs the pintle 2 to pull out the injector, and when in pull-out, the clamping block 13 is used for clamping the one-way clamping groove 21, so that the cylinder 1 is pulled out along with the pintle 2;

then, when the injection is carried out on a patient, the cylinder body 1 is grasped, the needle bolt 2 is pushed, the prestress of the compression spring 120 is overcome, the needle bolt 2 moves towards the direction of the cylinder body 1, and the injection is completed.

The syringe capable of being used rapidly provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a syringe that can use fast, includes barrel (1) and wears to establish in barrel (1) pintle (2), pintle (2) are the cross, its characterized in that: a plurality of unidirectional clamping grooves (21) which incline inwards from top to bottom are uniformly formed in one side of the pintle (2), an installation seat (11) is fixedly arranged on the upper portion of the cylinder body (1), a sliding block (12) is arranged in the installation seat (11) in a sliding mode, a clamping block (13) is fixedly arranged on the inner wall of the sliding block (12), the clamping block (13) penetrates through the side wall of the cylinder body (1) to be clamped in the unidirectional clamping grooves (21), a fixing block (110) is arranged on the installation seat (11), and a compression spring (120) is arranged between the fixing block (110) and the sliding block (12).

2. A rapid-use syringe according to claim 1, wherein: limiting blocks (3) are fixedly arranged on two sides of the clamping block (13) on the inner side wall of the sliding block (12), and the two limiting blocks (3) are respectively positioned on two sides of the pintle (2).

3. A rapid-use syringe according to claim 1, wherein: the upper side and the lower side of the sliding block (12) are fixedly provided with baffle strips (31), and the baffle strips (31) are positioned in the mounting seat (11).

4. A rapid-use syringe according to claim 1, wherein: the fixed block (110) is detachably mounted on the mounting seat (11), one end, far away from the clamping block (13), of the sliding block (12) is fixedly provided with the connecting rod (32), the fixed block (110) is provided with a through hole, and the free end of the connecting rod (32) penetrates through the through hole to be provided with the stop block (33).

5. A rapid-use syringe according to claim 4, wherein: the fixed block (110) is in threaded connection with the mounting seat (11).

6. A rapid-use syringe according to claim 5, wherein: the connecting rod (32) is kept away from slider (12) one end integrated into one piece and has lug (34), the spacing groove has been seted up on dog (33), lug (34) card is established in the spacing inslot, wear to be equipped with bolt (35) on dog (33), bolt (35) pass dog spiro union on lug (34).