CN110090339B

CN110090339B - Medical needle cap separator

Info

Publication number: CN110090339B
Application number: CN201910492089.0A
Authority: CN
Inventors: 李碧兰; 赵婷婷
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2021-05-28
Anticipated expiration: 2039-06-06
Also published as: CN110090339A

Abstract

The invention discloses a medical needle cap separator, which comprises a main body fixing seat, an electrostatic adsorption pad, a central hole and a flap groove, wherein a needle cap is inserted into the central hole through the flap groove matched between the needle cap and the main body fixing seat, the needle cap is slightly rotated, when the needle cap is rotated to the flap grooves, the sound generated when the needle cap is buckled and clamped into the matched flap groove is heard, a needle cylinder is lifted by holding the hand of an injector, the needle cap can be completely separated from a needle head, the aim of automatically separating the needle cap can be achieved, a fixing mechanism is arranged at the top of the main body fixing seat, the needle cap is fixed in an internal fixing piece, after separation, an ejection mechanism in the central hole can eject the needle cap out without quick ejection, a silica gel layer is arranged in an inserting hole to slowly slide out, the operation is simple and convenient, the contact with the needle head is avoided in the whole operation process of a nurse, and the aim of reducing needle puncture wound is achieved, and the occupied space is small, the movement is convenient, and the cleaning and the disinfection are easy.

Description

Medical needle cap separator

Technical Field

The invention relates to the field of medical auxiliary instruments, in particular to a medical needle cap separator.

Background

The syringe is a common medical appliance, mainly extracts or injects gas or liquid with the syringe needle, also can be used for medical equipment, container, pass the rubber diaphragm injection like the scientific instrument in some chromatography, when the syringe is used, need use disposable empty needle, disposable empty needle is used in clinic extensively, the nurse is the high risk crowd who takes place the acupuncturing, the method of now commonly using is that the both hands separate the needle cap, hold the needle cap end with one hand, hold the syringe barrel end with one hand, because need certain dynamics during the separation, the syringe needle after the separation is facing to offside finger, easily takes place the acupuncturing.

Disclosure of Invention

Accordingly, to address the above-described deficiencies, the present invention provides a medical needle cap separator.

The invention is realized in such a way, a medical needle cap separator is constructed, the device comprises a main body fixing seat, an electrostatic adsorption pad, a central hole, a valve groove, a fixing mechanism, a circular groove, an ejection mechanism, a needle cap and a needle cap buckle, the bottom of the main body fixing seat is attached to the electrostatic adsorption pad through strong glue, the contact surface areas of the two are equal, the central hole is arranged in the middle of the main body fixing seat, the valve groove is arranged at the left end and the right end in the central hole, the fixing mechanism is arranged at the top of the main body fixing seat, the fixing mechanism and the central hole are in a vertical structure, the circular groove is arranged in the middle of the central hole, the ejection mechanism is arranged in the circular groove, the needle cap buckle is fixed at the left part and the right part of the lower end of the outer diameter surface of the needle cap, the bottom of the needle cap buckle corresponds to the, the middle part has been seted up the patchhole in the mounting to the patchhole accounts for two-thirds of mounting volume, three corresponding positions of lower extreme all are provided with the draw-in groove in the mounting, closely insert the support arm that the gradient is fifteen degrees in the draw-in groove to the upper end in main part fixing base is embedded into to the support arm bottom, the wall surface in the patchhole all bonds and has two sets of silica gel layers.

Preferably, ejection mechanism includes undersetting, spring, upper bracket and push pedal, the undersetting bottom welds the bottom in the circular slot perpendicularly, the undersetting top is spherical and cup joints into the spring, the upper end cup joints the upper bracket lower extreme in the spring, the upper bracket top is fixed with the push pedal.

Preferably, the thickness of the electrostatic adsorption pad is 0.8 cm.

Preferably, the shape of the valve groove is the same as that of the needle cap buckle, and the area of the valve groove is larger than that of the needle cap buckle.

Preferably, the inner diameter of the circular groove is larger than the outer diameter of the push plate, and both ends of the upper end and the lower end in the circular groove are rounded corners.

Preferably, the inner diameter of the insertion hole is equal to the outer diameter of the needle cap at the middle position.

Preferably, the thickness of the silica gel layer is 0.3cm, and the position of the silica gel layer corresponds to the position of the valve groove.

Preferably, the maximum distance for the spring to push the push plate out is 1 cm.

Preferably, the fixing piece is made of pp materials.

Preferably, the silica gel layer is made of medical silica gel.

Preferably, the spring material is 304 stainless steel spring.

The invention has the following advantages: the invention provides a medical needle cap separator through improvement, compared with the same type of equipment, the medical needle cap separator has the following improvements and advantages;

according to the medical needle cap separator, the needle cap is inserted into the central hole through the valve groove matched between the needle cap and the main body fixing seat, the needle cap is slightly rotated, when the needle cap is rotated into the valve groove, the sound generated by clamping the needle cap into the matched valve groove is heard, the needle cylinder is lifted by hand holding an injector, the needle cap can be thoroughly separated from a needle head, the purpose of automatically separating the needle cap can be achieved, the top of the main body fixing seat is provided with the fixing mechanism, the needle cap is fixed in the fixing piece inside, after separation, the needle cap can be ejected out by the ejection mechanism in the central hole, the needle cap cannot be rapidly ejected out, the silica gel layer is arranged in the insertion hole, the operation is slow to slide out, the operation is simple and convenient, a nurse is prevented from contacting with the needle head in the whole operation process, the purpose of reducing needle puncture wound is achieved, the occupied space is small, the movement is convenient, and the needle cap is easy, The disinfection provides safe operating environment, can effectively reduce the emergence that medical personnel pricked the wound, avoids the risk of occupation exposure, corrects some unsafe behaviors of nurse, improves and takes precautions against the consciousness.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the main body fixing base of the present invention;

FIG. 3 is a schematic view of the needle cap construction of the present invention;

FIG. 4 is a schematic view of the securing mechanism of the present invention;

FIG. 5 is a schematic view of the internal structure of the insertion hole of the present invention;

FIG. 6 is a schematic structural view of the ejection mechanism of the present invention;

fig. 7 is a schematic diagram of the structure of the invention.

Wherein: the device comprises a main body fixing seat-1, an electrostatic adsorption pad-2, a central hole-3, a valve groove-4, a fixing mechanism-5, a circular groove-6, an ejection mechanism-7, a needle cap-8, a needle cap buckle-9, a fixing piece-51, an insertion hole-52, a clamping groove-53, a supporting arm-54, a silica gel layer-55, a lower support-71, a spring-72, an upper support-73 and a push plate-74.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

The invention provides a medical needle cap separator through improvement, which comprises a main body fixing seat 1, an electrostatic adsorption pad 2, a central hole 3, a flap groove 4, a fixing mechanism 5, a circular groove 6, an ejection mechanism 7, a needle cap 8 and a needle cap buckle 9, wherein the bottom of the main body fixing seat 1 is attached to the electrostatic adsorption pad 2 through strong glue, the contact surface areas of the two are equal, the central hole 3 is formed in the middle inside the main body fixing seat 1, the flap grooves 4 are formed in the left end and the right end inside the central hole 3, the fixing mechanism 5 is installed at the top of the main body fixing seat 1 and is vertical to the central hole 3, the circular groove 6 is arranged in the middle inside the central hole 3, the ejection mechanism 7 is arranged inside the circular groove 6, the needle cap buckle 9 is fixed at the left part and the right part of the lower end of the outer diameter surface of the needle cap 8, the bottom of the needle cap buckle 9 corresponds to, Draw-in groove 53, support arm 54 and silica gel layer 55, patchhole 52 has been seted up at the middle part in the mounting 51 to patchhole 52 accounts for two thirds of mounting 51 volume, and three corresponding positions of lower extreme all are provided with draw-in groove 53 in the mounting 51, closely insert in the draw-in groove 53 to have the support arm 54 that the gradient is fifteen degrees, and support arm 54 bottom imbeds upper end in main part fixing base 1, and patchhole 52 inner wall surface all bonds and has two sets of silica gel layers 55.

Further, the ejection mechanism 7 comprises a lower support 71, a spring 72, an upper support 73 and a push plate 74, the bottom of the lower support 71 is vertically welded to the bottom of the circular groove 6, the top of the lower support 71 is spherical and is sleeved with the spring 72, the upper end of the spring 72 is sleeved with the lower end of the upper support 73, the top of the upper support 73 is fixed with the push plate 74, ejection is stable, and the ejection mechanism cannot be clamped inside.

Furthermore, the thickness of the electrostatic adsorption pad 2 is 0.8cm, so that the electrostatic adsorption pad is convenient to adsorb and can be directly adsorbed on a treatment trolley.

Furthermore, the shape of the flap groove 4 is the same as that of the needle cap buckle 9, and the area of the flap groove 4 is larger than that of the needle cap buckle 9, so that the needle cap 8 can be conveniently separated.

Furthermore, the inner diameter of the circular groove 6 is larger than the outer diameter of the push plate 74, and the two ends of the upper end and the lower end in the circular groove 6 are rounded, so that the circular groove is not damaged due to frequent contact.

Furthermore, the inner diameter of the insertion hole 52 is equal to the outer diameter of the middle position of the needle cap 8, so that the needle cap 8 can enter conveniently and quickly.

Further, the thickness of the silica gel layer 55 is 0.3cm, and the position of the silica gel layer 55 corresponds to the position of the valve groove 4, so that the friction force is large, and the needle cap 8 cannot be ejected out quickly.

Furthermore, the maximum distance of the spring 72 pushing out the push plate 74 is 1cm, the distance is moderate, and the effect is good.

Further, the fixing member 51 is made of pp material.

As shown in the above table, the fixing member 51 is made of pp plastic, so that the environmental protection and non-choking effect can be achieved.

Further, the silica gel layer 55 is made of medical silica gel.

According to the table, the silica gel layer 55 is made of medical silicon rubber, so that the effects of sanitation and environmental protection can be achieved.

Further, the material of the spring 72 is 304 stainless steel spring.

According to the table, the spring 72 is made of 304, so that the effects of sanitation and good color can be achieved.

The invention provides a medical needle cap separator through improvement, which operates according to the following mode;

when the device needs to be used, firstly, the main body fixing seat 1 is fixed to a position needing to be operated, the electrostatic adsorption pad 2 is arranged at the bottom of the main body fixing seat 1, the electrostatic adsorption pad 2 is convenient to adsorb and can be directly adsorbed on a treatment vehicle, the needle cap 8 and the valve groove 4 matched between the main body fixing seat 1 are inserted into the central hole 3, the needle cap 8 is slightly rotated, when the needle cap is rotated to the valve groove 4, the sound generated when the needle cap buckle 9 is clamped into the valve groove 4 matched with the needle cap buckle is heard, the needle cylinder is lifted by hand holding the syringe, the needle cap 8 can be thoroughly separated from the needle head, the purpose of automatically separating the needle cap can be achieved, the fixing mechanism 5 is arranged at the top of the main body fixing seat 1, the needle cap 8 is firstly inserted into the fixing piece 51 and then enters the central hole 3, the needle cap 8 is fixed in the fixing piece 51 inside, after separation, the ejection mechanism 7 in the central hole 3 is provided with a spring 72, the needle cap 8 can be ejected out through a push plate 74 under the pressure of the spring 72 without quick ejection, and a silica gel layer 55 corresponding to the valve groove 4 is arranged in the insertion hole 52 to slowly slide out, so that the operation is simple and convenient, the nurse is prevented from contacting with the needle in the whole operation process, the purpose of reducing the needle stick injury is achieved, and the needle can be prohibited from being sleeved with the needle cap again by two hands; adopt the singlehanded cylinder of holding in order to reduce both hands separation needle cap and the risk that brings, reduce the emergence of acupuncturing wound, needle cap separator can also directly adsorb on the treatment car, and the temporary space is little, easy operation easily gets the convenience, does benefit to clinically.

The invention provides a medical needle cap separator through improvement, a needle cap 8 is inserted into a central hole 3 through a valve groove 4 matched between the needle cap 8 and a main body fixing seat 1, the needle cap 8 is slightly rotated, when the needle cap 8 and the main body fixing seat are rotated to the valve groove 4, the sound generated when a needle cap buckle 9 is clamped into the matched valve groove 4 is heard, a syringe is lifted by holding the hand of an injector, the needle cap 8 can be completely separated from a needle head, and the purpose of automatically separating the needle cap can be achieved, a fixing mechanism 5 is arranged at the top of the main body fixing seat 1, the needle cap 8 is fixed in an internal fixing piece 51, after separation, an ejection mechanism 7 in the central hole 3 can eject the needle cap 8 and cannot be ejected rapidly, a silica gel layer 55 is arranged in an inserting hole 52 to enable the insertion hole to slide out slowly, the operation is simple and convenient, a nurse is prevented from contacting with the needle head in the whole operation process, and the purpose of reducing needle puncture wound is, and occupation space is little, and it is convenient to remove, and easy cleanness, disinfection provide safe operating environment, can effectively reduce the emergence that medical personnel stabbed and hinder, avoid the risk that the occupation exposes, correct some unsafe behaviors of nurse, improve and take precautions against the consciousness.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medical needle cap separator which is characterized in that: the structure of the needle cap comprises a main body fixing seat (1), an electrostatic adsorption pad (2), a center hole (3), a valve groove (4), a fixing mechanism (5), a circular groove (6), an ejection mechanism (7), a needle cap (8) and a needle cap buckle (9), wherein the bottom of the main body fixing seat (1) is attached to the electrostatic adsorption pad (2) through super glue, the contact surface areas of the main body fixing seat and the electrostatic adsorption pad are equal, the center hole (3) is formed in the middle of the inner part of the main body fixing seat (1), the valve groove (4) is formed in the left end and the right end of the inner part of the center hole (3), the fixing mechanism (5) is installed at the top of the main body fixing seat (1), the fixing mechanism (5) and the center hole (3) are of a vertical structure, the circular groove (6) is formed in the middle of the inner part of the center hole (3), the ejection mechanism (7) is arranged in the, the bottom of the needle cap buckle (9) corresponds to the valve groove (4), the fixing mechanism (5) comprises a fixing piece (51), an inserting hole (52), a clamping groove (53), a supporting arm (54) and a silica gel layer (55), the middle part in the fixing piece (51) is provided with the inserting hole (52), the inserting hole (52) accounts for two thirds of the volume of the fixing piece (51), the clamping groove (53) is arranged at the three corresponding positions of the inner lower end of the fixing piece (51), the supporting arm (54) with the inclination of fifteen degrees is tightly inserted into the clamping groove (53), the bottom of the supporting arm (54) is embedded into the inner upper end of the main body fixing seat (1), two groups of silica gel layers (55) are respectively bonded on the inner wall surface of the inserting hole (52), the ejection mechanism (7) comprises a lower support (71), a spring (72), an upper support (73) and a push plate (74), the bottom of the lower support (71) is vertically welded at the, the top of the lower support (71) is spherical and is sleeved with a spring (72), the upper end in the spring (72) is sleeved with the lower end of the upper support (73), and the top of the upper support (73) is fixed with a push plate (74).

2. The medical needle cap separator as claimed in claim 1, wherein: the thickness of the electrostatic adsorption pad (2) is 0.8 cm.

3. The medical needle cap separator as claimed in claim 1, wherein: the shape of the valve groove (4) is the same as that of the needle cap buckle (9), and the area of the valve groove (4) is larger than that of the needle cap buckle (9).

4. The medical needle cap separator as claimed in claim 1, wherein: the inner diameter of the circular groove (6) is larger than the outer diameter of the push plate (74), and both ends of the upper end and the lower end in the circular groove (6) are rounded corners.

5. The medical needle cap separator as claimed in claim 1, wherein: the inner diameter of the insertion hole (52) is equal to the outer diameter of the middle position of the needle cap (8).

6. The medical needle cap separator as claimed in claim 1, wherein: the thickness of the silica gel layer (55) is 0.3cm, and the position of the silica gel layer (55) corresponds to the position of the valve groove (4).

7. The medical needle cap separator as claimed in claim 1, wherein: the maximum distance of the spring (72) pushing out the push plate (74) is 1 cm.