CN217660989U - Auxiliary device of anticoagulant hypodermic syringe - Google Patents

Abstract

The utility model relates to an anticoagulant hypodermic syringe's auxiliary device, including casing and push-out barrel, the casing rear end is connected with the push-out barrel front end, be equipped with the syringe needle hole on the casing front end, and its inside is equipped with the limit post, be equipped with the limit hole on the limit post, be equipped with the through-hole on the push-out barrel front end, and be equipped with the observation window on its lateral wall, be equipped with rotating assembly, extrusion piece and guide block inside the push-out barrel, rotating assembly includes the column spinner, push rod and propulsion member, be equipped with spiral direction spout and scale mark on the column spinner outer wall, spiral direction spout and spiral direction slide rail cooperate, push rod and propulsion member set up respectively in the both sides of column spinner, push rod front end portion passes the guide block and is connected with the extrusion piece; the utility model discloses effectively solve current anticoagulant hypodermic syringe and inject the patient, the needle inserting angle out of plumb of syringe is difficult to control and lasts the injection of uniform velocity, leads to subcutaneous hemorrhage, appears local ecchymosis, induration, increases the patient and aches, compliance, security and the lower scheduling problem of reliability.

Description

Auxiliary device of anticoagulant hypodermic syringe

Technical Field

The utility model belongs to the technical field of auxiliary instrument, relates to an auxiliary device, in particular to an auxiliary device of an anticoagulant hypodermic syringe.

Background

Clinically, the anticoagulant is one of the most main means for preventing venous thromboembolism, and is widely applied to postoperative common complications of venous thromboembolism, such as orthopedics, coronary stent implantation, cardiac surgery and the like.

At present, because the anticoagulant is injected in a micro-dose, the anticoagulant hypodermic syringe comprises a needle cylinder and a plunger rod (as shown in figure 1) and has a small specification, when a medical worker punctures a patient by using the anticoagulant hypodermic syringe, the traditional operation mode is that one hand tightens the local skin of the patient, and the other hand holds the syringe and injects the patient. However, in clinical operation, the anticoagulant hypodermic syringe is small in size and difficult to hold, a patient is injected only by the hand feeling and experience of medical staff, the needle insertion depth and the needle insertion angle of the syringe are difficult to master (the needle insertion angle is not vertical), the injection uniformity is difficult to master, the operation difficulty is high, subcutaneous bleeding at the injection part of the patient is easy to cause, local ecchymosis and induration occur, and the pain of the patient is increased; and the pain of the patient is caused, and simultaneously, psychological stress is easy to cause, the patient is not willing to receive the treatment, and the treatment compliance of the patient is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's not enough and provide an auxiliary device of anticoagulant hypodermic syringe, through the casing, a push cylinder, rotating assembly, the cooperation design of extrusion piece and guide block, it is little because of its specification effectively to solve current anticoagulant hypodermic syringe, the injection operation degree of difficulty is big, the angle of inserting needle among the injection process is out of plumb, be difficult to control the speed equalizing nature of injection, it bleeds subcutaneously to take place at the injection position that leads to the patient, local ecchymosis appears, the induration, it is painful to increase the patient, compliance, the lower scheduling problem of security and reliability.

The utility model discloses the technical scheme who adopts:

the utility model provides an auxiliary device of anticoagulant hypodermic syringe, including casing and push away a section of thick bamboo, the casing rear end is connected with push away a front end dismantlement formula, easy to assemble and dismantlement casing and push away a section of thick bamboo, the syringe needle hole has been seted up to casing cavity and front end, the inside of casing is equipped with the limit post, be equipped with the restricted hole on the limit post, the restricted hole is corresponding with the syringe needle hole (the center of restricting the hole is in a straight line with the center in syringe needle hole), the syringe needle hole is used for wearing the syringe needle of putting the syringe and blocks the syringe needle portion of syringe, convenient follow-up injection, the restricted hole of limit post is used for wearing the cylinder of putting the syringe, utilize the restricted hole to prescribe a limit to its cylinder, effectively ensure the stability that the syringe was placed, reduce and rock. The front end of the push cylinder is provided with a through hole, the rear end of a plunger rod of the injector can penetrate through and enter the push cylinder, the side wall of the push cylinder is provided with an observation window, the inside of the push cylinder is sequentially provided with an extrusion block, a guide block and a rotating assembly, the rotating assembly comprises a rotary column, a push rod and a pushing component, the outer wall of the rotary column is provided with a spiral guide chute and scale marks along the spiral guide chute, the spiral guide chute is matched with a spiral guide slide rail arranged on the inner wall of the push cylinder, the rotary column can carry out spiral rotation (screwing in or screwing out) along the inner wall of the push cylinder through the matching of the spiral guide chute and the spiral guide slide rail, the rotating stability of the rotary column is stronger, the scale marks on the outer wall of the rotary column can be clearly checked through the observation window, and the moving length (screwing in or screwing out degree) of the rotary column can be known through the scale marks, the push rod and the pushing component are respectively arranged at two sides of the rotary column, the front end part of the push rod penetrates through the guide block and is rotationally connected with the extrusion block, the stability of the push rod in moving is effectively enhanced through the guide block, the extrusion block can move along the axial direction of the push cylinder under the pushing action of the push rod, the pushing component is positioned outside the rear end of the push cylinder, medical personnel can act on the pushing component through external force, the rotary column is further rotated (along a spiral guide sliding rail) to revolve, the rotary column drives the push rod to move forwards on the guide block, so that the push rod gradually pushes the extrusion block to move towards the front end of the extrusion block along the inner wall of the push cylinder, the extrusion block is attached to the rear end of a plunger rod of the injector, the extrusion block pushes the plunger rod to move, the plunger rod is utilized to push the plunger, the solution of the injector can be effectively injected to a patient, the operation difficulty of the medical personnel is reduced, and the injection standardization is improved, the incidence of needle stick injury can be avoided to the utmost extent.

As a further improvement of the utility model, the push rod is a screw rod, screw rod and guide block threaded connection. Through addding for screw-thread fit between screw rod and the guide block, can effectively strengthen the column spinner and drive screw rod pivoted stationarity, and then effectively ensure the uniform velocity that the extrusion piece removed.

As a further improvement of the utility model, the propelling component includes rotatory shell and button, and the rotatory shell setting is outside on the column spinner rear end and lie in the push away section of thick bamboo rear end, and the button rotates and sets up inside the rotatory shell. Through anticlockwise rotation swivel shell, the swivel shell drives the column spinner and removes towards pushing away a rear end direction, and then the column spinner passes through the push rod and drives the stripper block and remove, and the stripper block is kept away from a front end gradually. And medical personnel act on the button through the exogenic action, under the mating action of spiral direction spout and spiral direction slide rail, the column spinner at the uniform velocity clockwise rotation precession and drive the push rod and move forward, and then the push rod drives the extrusion piece and moves towards the push-out barrel front end direction.

As a further improvement, the rotating shell is provided with an anti-skid layer on the periphery. The friction coefficient of the rotating shell can be increased through the anti-slip layer, so that the medical personnel are not prone to slipping when rotating, and the safety and the reliability of rotation of the medical personnel are guaranteed.

As a further improvement of the utility model, the aperture of the through hole is smaller than the diameter of the extrusion block. Effectively inject the extrusion piece in the push-type broach to it is at gliding in-process, takes place the phenomenon that drops.

As a further improvement of the utility model, a shell cover is matched on the shell body, and the shell cover is connected with the front end of the push cylinder in a detachable mode. After the use, install the cap on the casing is outside to mutual block between cap and the push away a section of thick bamboo front end plays the guard action through the cap to the casing, prevents that the casing from receiving the collision, leads to damaging.

As a further improvement, the detachable connection of the rear end of the housing and the front end of the push cylinder is a threaded connection, i.e., an external thread is arranged on the outer wall of the rear end of the housing, an internal thread is arranged on the inner wall of the front end of the push cylinder, and the internal thread and the external thread are in threaded fit. The casing rear end is connected through the cooperation between external screw thread and the internal thread with the push-type jack front end, makes things convenient for installation and dismantlement between casing and the push-type jack, and can effectively guarantee the stability that casing and push-type jack are connected, is difficult for droing.

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

1. the utility model discloses simple structure, convenient to use, safe and reliable, compliance is strong, through the cooperation design of casing, push away a section of thick bamboo, rotating assembly, extrusion piece and guide block, when effectively solving current anticoagulant hypodermic syringe and injecting the treatment to the patient, the depth of needle and the difficult control of angle of this syringe are difficult to control and last at the uniform velocity injection, lead to patient's injection position to take place the subcutaneous hemorrhage easily, appear local ecchymosis, induration, increase the painful scheduling problem of patient.

2. The utility model discloses an auxiliary device of anticoagulant hypodermic syringe can effectively help anticoagulant hypodermic syringe to carry out perpendicular needle insertion to the patient, lasts at the uniform velocity injection, can furthest avoid the incidence that the acupuncture is hindered.

Drawings

FIG. 1 is a schematic diagram of a prior art syringe configuration;

fig. 2 is an overall sectional view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a schematic structural view of the push cylinder of the present invention;

FIG. 5 is a schematic view of the structure of the spin column of the present invention;

FIG. 6 is a diagram illustrating the usage of the present invention;

in the figure: 1. an injector; 2. a needle cylinder; 3. a plunger rod; 4. capping; 5. a shell cover; 6. a housing; 7. defining an aperture; 8. defining a column; 9. a through hole; 10. extruding the block; 11. a guide block; 12. A screw; 13. rotating the column; 14. rotating the housing; 15. a push cylinder; 16. an observation window; 17. a spiral guide slide rail; 18. a spiral guide chute; 19. scale marks are marked; 20. a needle bore; 21. a button.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 2 to 5, the utility model provides an auxiliary device of an anticoagulant hypodermic syringe 1, which comprises a shell 6 and a push cylinder 15, wherein the rear end of the shell 6 is detachably connected with the front end of the push cylinder 15, specifically, the detachable connection between the rear end of the shell 6 and the front end of the push cylinder 15 is a threaded connection, namely, an external thread is arranged on the outer wall of the rear end of the shell 6, an internal thread is arranged on the inner wall of the front end of the push cylinder 15, and the internal thread is in threaded fit with the external thread; and, the supporting shell cover 5 that has on casing 6, shell cover 5 is connected with the dismantlement formula of push jack 15 front end, casing 6 cavity and front end have seted up syringe needle hole 20, casing 6 is inside to be equipped with limited post 8, be equipped with limited hole 7 on the limited post 8, limited hole 7 corresponds with syringe needle hole 20, be equipped with through-hole 9 on the push jack 15 front end, be equipped with observation window 16 on the push jack 15 lateral wall, push jack 15 is inside to be equipped with extrusion piece 10 in proper order, guide block 11 and rotating assembly, the diameter of extrusion piece 10 is greater than the aperture of through-hole 9, rotating assembly includes rotatory post 13, push rod and propulsion component, be equipped with spiral guide chute 18 and scale sign 19 along spiral guide chute 18 on the outer wall of rotatory post 13, spiral guide chute 18 matches with the spiral guide slide rail 17 that sets up on the inner wall of push jack 15, scale sign 19 corresponds with observation window 16, the push rod is screw rod 12, screw rod 12 and propulsion component set up respectively in the both sides of rotatory post 13, screw rod 12 front end portion passes guide block 11 and is connected with extrusion piece 10 rotation, screw rod 12 and guide block 11 threaded connection, propulsion component includes rotary shell 14 and button 21, the setting is located the external rotary shell 14 rear end on the rotary shell, be located the rotary shell 13 rear end, anti-slip prevention layer 21.

The utility model discloses a theory of operation does:

when a patient is injected, firstly, according to the injection dosage of the injector 1, such as 0.4ml, a medical worker utilizes an external force to act on the rotating shell 14, the rotating shell 14 rotates anticlockwise, the rotating shell 14 drives the rotating column 13 to move towards the rear end of the push cylinder 15, then the rotating column 13 drives the extrusion block 10 to move through the screw 12, the extrusion block 10 gradually keeps away from the front end of the push cylinder 15 (the distance of the extrusion block 10 far away from the front end of the push cylinder 15 corresponds to the scale mark 19 of the rotating column 13), and when the scale mark 19 displayed on the observation window 16 is the same as the dosage, the rotating shell 14 stops continuing to rotate, so that a space is provided for storing the plunger rod 3 of the injector 1.

The shell 6 is detached from the push cylinder 15, the needle head of the injector 1 penetrates into the limiting hole 7 of the limiting column 8, the diameter of the syringe 2 of the injector 1 is slightly smaller than the aperture of the limiting hole 7, the syringe 2 of the injector 1 can be effectively limited by the limiting hole 7 of the limiting column 8, the needle head of the injector 1 is clamped on the needle head hole 20 of the shell 6, and the needle head of the injector 1 and the cap 4 matched with the needle head penetrate through the needle head hole 20 of the shell 6; the rear end of the plunger rod 3 of the syringe 1 is aligned with the through hole 9 of the push cylinder 15, and the rear end of the shell 6 is screwed into the front end of the push cylinder 15 and is firmly connected with the front end of the push cylinder 15; at this time, the rear end of the plunger rod 3 of the syringe 1 is engaged with the pressing block 10 inside the plunger 15, and the cap 4 outside the needle of the syringe 1 is removed as shown in fig. 6.

Medical personnel utilize the thumb to press down button 21, button 21 drives column 13 and moves down, because spiral direction spout 18 of column 13 outer wall and the spiral direction slide rail 17 of push away the inner wall of tube 15 cooperate, when making 13 pieces of columns move down, column 13 drives screw rod 12 and moves towards the front end direction of push away tube 15, column 13 is under the guide effect of guide block 11, column 13 passes through screw rod 12 and drives extrusion block 10 and move towards the front end direction of push away tube 15 along push away the inner wall of tube 15, extrusion block 10 pushes down 3 rear ends of the plunger rod of syringe 1, make plunger rod 3 drive plunger rod 3 and move inside syringe 1, inject the solution of syringe 1 inside to the patient gradually, medical personnel's operating difficulty has been reduced, the standardization of injection has been improved, can furthest avoid the incidence of needle puncture wound, improve anticoagulant hypodermic's security and reliability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. An auxiliary device of anticoagulant hypodermic syringe which characterized in that: the novel multifunctional syringe comprises a shell and a push cylinder, the rear end of the shell is connected with the front end of the push cylinder in a detachable mode, a needle head hole is formed in the hollow cavity of the shell and the front end of the shell, a limiting column is arranged inside the shell, a limiting hole is formed in the limiting column and corresponds to the needle head hole, a through hole is formed in the front end of the push cylinder, an observation window is formed in the side wall of the push cylinder, an extrusion block is sequentially arranged inside the push cylinder, a guide block and a rotating assembly are arranged inside the push cylinder, the rotating assembly comprises a rotating column, a push rod and a pushing member, a spiral guide chute and a scale mark along the spiral guide chute are arranged on the outer wall of the rotating column, the spiral guide chute is matched with a spiral guide sliding rail arranged on the inner wall of the push cylinder, the scale mark corresponds to the observation window, the push rod and the pushing member are respectively arranged on two sides of the rotating column, the front end portion of the push rod penetrates through the guide block and is rotatably connected with the extrusion block, and the pushing member is located outside the rear end of the push cylinder.

2. The anticoagulant hypodermic syringe assist device of claim 1, wherein: the push rod is a screw rod, and the screw rod is in threaded connection with the guide block.

3. The anticoagulant hypodermic syringe assist device of claim 1, wherein: the propelling component comprises a rotary shell and a button, the rotary shell is arranged at the rear end of the rotary column and is positioned outside the rear end of the push cylinder, and the button is rotatably arranged inside the rotary shell.

4. An anticoagulant hypodermic syringe assist device according to claim 3, wherein: and an anti-skid layer is arranged on the periphery of the rotating shell.

5. The anticoagulant hypodermic syringe assist device of claim 1, wherein: the aperture of the through hole is smaller than the diameter of the extrusion block.

6. An anticoagulant hypodermic syringe assist device according to claim 1, wherein: the shell is matched with a shell cover, and the shell cover is detachably connected with the front end of the push cylinder.

7. An anticoagulant hypodermic syringe assist device according to claim 1, wherein: the detachable connection of the rear end of the shell and the front end of the push cylinder is threaded connection, namely, external threads are arranged on the outer wall of the rear end of the shell, internal threads are arranged on the inner wall of the front end of the push cylinder, and the internal threads and the external threads are in threaded fit.

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