CN211512958U

CN211512958U - Improved sharp instrument box

Info

Publication number: CN211512958U
Application number: CN201921960115.XU
Authority: CN
Inventors: 杨静
Original assignee: Shenzhen Longhua District Central Hospital
Current assignee: Shenzhen Longhua District Central Hospital
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-09-18
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to the field of medical supplies, and discloses an improved sharp instrument box, which comprises a box body and a box cover, wherein the upper end surface of the box cover is downwards provided with a needle pulling port A for pulling out a medical needle and a throwing port for throwing in a medical sharp instrument, and the upper end surface of the box cover is also downwards provided with a needle pulling port B for pulling out the medical needle; the needle pulling opening B is provided with a clamping piece used for clamping a needle head and a pushing-down piece used for pushing the medical needle head clamped by the clamping piece down to the box body.

Description

Improved sharp instrument box

Technical Field

The utility model relates to the field of medical supplies, in particular to an improved sharp instrument box.

Background

A sharps container is a medical storage container that is necessary for medical institutions to collect traumatic medical waste, and is used for storing sharp medical waste such as needles.

As shown in fig. 1, insulin needle generally comprises a needle body 11 and a needle holder 12, the needle holder 12 being screw-fitted with an insulin pen. When throwing the insulin needle after using into sharp machine box, need medical personnel to unscrew syringe needle seat 12 from insulin pen manual earlier, throw the insulin needle into sharp machine box again. However, there is still a need for improvement in the case of needle-stick injuries that are likely to occur during needle withdrawal and needle insertion.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an improved sharp instrument box.

The utility model provides a technical scheme that prior art problem adopted is:

an improved sharp instrument box comprises a box body and a box cover, wherein a needle pulling opening A for pulling out a medical needle and a throwing opening for throwing in a medical sharp instrument are formed in the upper end surface of the box cover downwards;

the needle pulling opening B is provided with a clamping piece used for clamping a needle head and a pushing-down piece used for pushing the medical needle head clamped by the clamping piece down to the box body.

The above technical solution is further described as follows:

preferably, the clamping piece comprises a fixing ring and a ferrule for tightly sleeving the needle seat of the medical needle;

the inner diameter of the fixing ring is slightly larger than the outer diameter of the needle drawing opening B, and the fixing ring is attached to the box cover so as to be vertically opposite to the needle drawing opening B; the ferrule is arranged in the middle of the upper end face of the fixing ring, the inner diameter of the ferrule is slightly smaller than the outer diameter of the needle pulling port B and the outer diameter of a needle head seat of the medical needle head, and a plurality of anti-skid convex strips are uniformly arranged on the inner wall of the ferrule along the vertical direction.

Preferably, the ferrule comprises a sleeve main body positioned at the lower part and a fixing lug connected to the upper end of the outer wall of the sleeve main body;

the thickness of the sleeve main body is larger than that of the fixing ring, so that the lower part of the sleeve main body is inserted into the box body; the outer diameter of the fixing lug is larger than that of the needle drawing opening B, so that the lower bottom surface of the fixing lug is attached to the upper peripheral edge of the needle drawing opening B when the fixing lug is installed and fixed on the needle drawing opening B.

Preferably, a plurality of gaps are uniformly arranged at the lower end of the outer wall of the sleeve main body.

Preferably, a plurality of fixed mounting holes are uniformly formed in the upper end face of the fixed ring, and a fastening bolt connected to the box cover is screwed into each of the fixed mounting holes.

Preferably, the lower pushing part comprises an inverted U-shaped frame, a lower pushing rod, a pressure head and a pressing plate;

the upper end surface of the box cover is provided with two sliding chutes which are parallel to the two sides of the fixing ring; the two lower ends of the inverted U-shaped frame are correspondingly and slidably clamped in the two sliding grooves; the middle part of the upper top surface of the inverted U-shaped frame is downwards provided with a sliding hole; the lower push rod can vertically slide and penetrate through the sliding hole, the lower end of the lower push rod is fixedly connected with the pressure head, and the upper end of the lower push rod is fixedly connected with the pressing plate;

the outer diameter of the pressure head is equal to or smaller than the inner diameter of the ferrule; when the two lower ends of the inverted U-shaped frame slide along the two sliding grooves correspondingly, the inverted U-shaped frame can drive the pressure head to slide right above the ferrule.

Preferably, the downward pushing member further comprises a butting ring which is fixedly arranged in the middle of the upper end surface of the inverted U-shaped frame and is suitable for the downward pushing rod to pass through, and a pressing spring which is sleeved outside the upper end of the downward pushing rod and is limited between the pressing plate and the butting ring;

in a natural state, the pressing spring supports the pressing plate, so that the height of the pressing head is slightly higher than that of the upper end face of the ferrule.

Preferably, the downward pushing member further comprises a limit stop lever which is rotatably connected to the upper end surface of the box cover through a rotating shaft member and is located beside one of the sliding groove end portions, the limit stop lever is perpendicular to one of the sliding grooves, and a limit gap for accommodating the lower end of the inverted U-shaped frame at a corresponding position is formed between the adjacent end portion of the limit stop lever and one of the sliding grooves;

when the limiting stop lever is rotated, the limiting stop lever can be rotated to be horizontally attached to the upper part of the sliding groove, so that the inverted U-shaped frame is limited and fixed at the end part of the sliding groove and is far away from the ferrule.

The utility model has the advantages that:

firstly, when the insulin needle is taken down from the insulin pen, the insulin pen is held to extend the insulin needle to the clamping part of the needle pulling port, so that the insulin needle is clamped by the clamping part; secondly, the insulin pen is rotated to be unscrewed from the insulin needle head; finally, under the action of the downward pushing piece, the insulin needle head clamped by the clamping piece is pushed downward, so that the insulin needle head falls into the box body after passing through the needle poking opening B;

secondly, when the insulin needle head is clamped through the clamping piece, the rear end of the insulin pen is held by a hand, one end of the insulin pen needle head seat is vertically inserted into the ferrule, and the inner diameter of the ferrule is slightly smaller than the outer diameter of the needle head seat, so that the needle head seat on the insulin pen is tightly clamped in the ferrule, and the insulin pen is conveniently unscrewed from the insulin pen needle head;

thirdly, when the needle head seat is pushed into the box body through the pushing piece, firstly, the inverted U-shaped frame slides towards the ferrule until the pressure head moves right above the ferrule; secondly, the pressing plate is pressed downwards to drive the lower push rod to slide downwards along the sliding hole, and further drive the pressing head to push the needle head seat downwards from the ferrule into the box body;

fourthly, when the pressing plate is pressed downwards, the pressing spring is compressed; after the needle head seat is pushed, the pressing plate is loosened, and the pushing piece is driven to recover to the initial state under the action of the self resilience force of the pressing spring;

fifthly, when the downward pushing piece is not used, firstly sliding the inverted U-shaped frame towards the limiting stop lever until the U-shaped frame is positioned at the limiting gap; and then the limiting stop lever is rotated to be attached to the upper part of the sliding groove, so that the U-shaped frame is fixed at the limiting gap.

Drawings

Fig. 1 is a schematic view of a structure of an insulin needle in the background art.

Fig. 2 is a schematic view of the overall structure of the improved sharps container of the present invention.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is a schematic structural view of the needle holder when being clamped and fixed.

Fig. 5 is a schematic structural view of the sheath body and the fixing lug.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Wherein, 101, the needle body; 102. a needle head seat; 201. a box body; 202. a box cover; 2022. a chute; 30. pulling the needle opening A; 40. a throwing port; 50. poking the opening B; 60. a clamping member; 601. a fixing ring; 602. a ferrule; 6021. a sleeve body; 60211. a notch; 6022. fixing the ear; 603. anti-skid convex strips; 70. pushing down the piece; 701. an inverted U-shaped frame; 702. a lower push rod; 703. a pressure head; 704. a pressing plate; 705. a butting ring; 706. a pressing spring; 707. and a limit stop lever.

Detailed Description

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, so as to clearly and intuitively understand the inventive substance of the present invention.

Referring to fig. 2 and 3, the present invention provides an improved sharps container, which includes: box 201, lid 202, needle drawing mouth A30, input mouth 40, drawing mouth B50, holder 60 and push-down 70.

The needle drawing port A30 is used for drawing off a medical needle, and the needle drawing port A30 is arranged on the upper end face of the box cover 202 downwards; the putting port 40 is used for putting a medical sharp instrument, and the putting port 40 is arranged on the upper end surface of the box cover 202 downwards; the needle pulling port B is used for pulling off the medical needle head, and is formed downwards on the upper end face of the box cover 202; the clamping piece 60 is used for clamping the needle head, and the clamping piece 60 is arranged at the needle pulling port B; the pushing-down member 70 is installed on the upper end surface of the cap 202, and the pushing-down member 70 is used for pushing down the medical needle clamped by the clamping member 60 into the case body 201.

As shown in fig. 2 and 3, the holder 60 includes: a retaining ring 601 and a ferrule 602.

The inner diameter of the fixing ring 601 is slightly larger than the outer diameter of the needle drawing opening B, the fixing ring 601 is attached to the box cover 202, the fixing ring 601 is opposite to the needle drawing opening B up and down, namely the fixing ring 601 is overlapped with the axis of the needle drawing opening; the ferrule 602 is used for tightly sleeving the needle seat 102 of the medical needle, the ferrule 602 is arranged in the middle of the upper end face of the fixing ring 601, and the inner diameter of the ferrule 602 is slightly smaller than the outer diameter of the needle drawing opening B and the outer diameter of the needle seat 102 of the medical needle. In order to improve the clamping strength of the needle base 102, a plurality of anti-slip convex strips 603 are uniformly arranged on the inner wall of the ferrule 602 along the vertical direction.

Preferably, the outside diameter of the needle drawing opening B and the outside diameter of the needle seat 102 are both 1.15 times of the inside diameter of the ferrule 602; in other embodiments, the outer diameter of needle pull opening B and the outer diameter of needle mount 102, both of which can be 1.05 times, 1.10 times, 1.20 times, 1.25 times, or 1.3 times the inner diameter of ferrule 602.

As shown in connection with fig. 3 and 4, ferrule 602 includes: a sleeve body 6021 and a fixing ear 6022.

The sleeve body 6021 is positioned at the lower part and is arranged in the needle drawing port B, and the thickness of the sleeve body 6021 is larger than that of the fixing ring 601, so that the lower part of the sleeve body 6021 is inserted into the box body 201 from the needle drawing port B; the fixing ear 6022 is coaxial with the sleeve main body 6021, the fixing ear 6022 is arranged at the upper end of the outer wall of the sleeve main body 6021, and the outer diameter of the fixing ear 6022 is larger than that of the needle pulling opening B, so that when the fixing ear 6022 is arranged at the needle pulling opening B, the lower bottom surface of the fixing ear 6022 is jointed with the upper peripheral edge of the needle pulling opening B; the outer diameter side of the fixing lugs 6022 abuts the inner diameter side of the fixing ring 601.

Preferably, the sleeve body 6021, the fixing ears 6022 and the fixing ring 601 are made of rubber and are integrally molded.

Referring to fig. 2 and 3, in order to mount the fixing ring 601 on the box cover 202, a plurality of fixing holes are uniformly formed on the upper end surface of the fixing ring 601, and a fastening bolt connected to the box cover 202 is screwed into each of the plurality of fixing holes.

As shown in fig. 2 and 3, the push-down member 70 includes: an inverted U-shaped frame 701, a lower push rod 702, a press head 703, a press plate 704, a contact ring 705, and a press spring 706.

The upper end face of the box cover 202 is provided with two sliding grooves 2022 in parallel at two sides of the fixing ring 601, and two lower ends of the inverted U-shaped frame 701 are correspondingly slidably clamped in the two sliding grooves 2022; the middle part of the upper top surface of the inverted U-shaped frame 701 is downwards provided with a sliding hole; the lower push rod 702 can slide up and down to penetrate through the slide hole; the pressing head 703 is arranged at the lower end of the lower push rod 702, and the pressing plate 704 is arranged at the upper end of the lower push rod 702; the outside diameter of ram 703 is equal to or less than the inside diameter of ferrule 602; when the two lower ends of the inverted U-shaped frame 701 slide along the two sliding grooves 2022, the inverted U-shaped frame 701 can drive the pressure head 703 to slide right above the ferrule 602; the abutting ring 705 is arranged in the middle of the upper end face of the inverted U-shaped frame 701, and the abutting ring 705 penetrates through the lower push rod 702; the pressing spring 706 is sleeved outside the upper end of the lower end rod, and the pressing spring 706 is limited between the lower end surface of the pressing plate 704 and the upper end surface of the abutting ring 705; in the natural state, the pressing spring 706 holds the pressing plate 704 such that the ram 703 is at a level slightly higher than the upper end surface of the ferrule 602.

Preferably, the ram 703 outer diameter is equal to the ferrule 602 inner diameter; in other embodiments, the ram 703 diameter may also be smaller than the inner diameter of the ferrule 602.

Referring to fig. 2 and 3, the present invention is provided with a limit stop lever 707 for fixing the lower pushing member 70 when the lower pushing member 70 is not in use. The limit stop rod 707 is rotationally connected to the upper end surface of the box cover 202 through a rotating shaft piece and is positioned at the side of the end part of the left sliding groove 2022; the limit stop lever is perpendicular to the left sliding groove 2022, and a limit gap for accommodating the lower end of the inverted U-shaped frame 701 at the corresponding position is formed between the limit stop lever and the end of the left sliding groove 2022.

When the limit stop lever 707 is rotated, the limit stop lever 707 can be rotated to be horizontally attached to the upper portion of the sliding groove 2022, so that the limit fixing inverted U-shaped frame 701 is away from the ferrule 602 at the end portion of the sliding groove 2022.

As shown in FIG. 5, to facilitate insertion of needle holder 102 into sleeve body 6021, a plurality of notches 60211 are formed uniformly in the circumferential direction in the lower end of the outer wall of sleeve body 6021. Preferably, there are two notches 60211; in other embodiments, the notches 60211 can also be one, three, four, or five.

The utility model provides an improvement sharp machine box not only is applicable to the dismantlement of insulin pen syringe needle, is applicable to the dismantlement of any threaded connection's medical syringe needle moreover.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. An improved sharp instrument box comprises a box body and a box cover, wherein a needle pulling opening A for pulling out a medical needle and a throwing opening for throwing in a medical sharp instrument are formed in the upper end surface of the box cover downwards;

2. The improved sharps container of claim 1 wherein said holder comprises a retainer ring and a ferrule for tightly fitting a needle holder of a medical needle;

3. The improved sharps container as claimed in claim 2 wherein said collar includes a lower sleeve body and a securing ear connected to an upper end of an outer wall of said sleeve body;

4. An improved sharps container as claimed in claim 3 wherein said sleeve body has a plurality of notches formed in the lower end of the outer wall thereof.

5. The improved sharp machine box as claimed in claim 3, wherein a plurality of fixing holes are uniformly formed on the upper end surface of the fixing ring, and a fastening bolt connected to the box cover is screwed into each of the plurality of fixing holes.

6. The improved sharp machine box according to claim 2, wherein the pushing-down piece comprises an inverted U-shaped frame, a pushing-down rod, a pressure head and a pressing plate;

7. The improved sharp machine box according to claim 6, wherein the pushing element further comprises an abutting ring fixed in the middle of the upper end surface of the inverted U-shaped frame and suitable for the pushing rod to pass through, and a pressing spring sleeved outside the upper end of the pushing rod and limited between the pressing plate and the abutting ring;

8. The improved sharps container as claimed in claim 6 wherein said pushing member further comprises a limiting stop lever pivotally connected to an upper end surface of said cover by a pivot member and located beside an end of one of said sliding slots, said limiting stop lever being disposed perpendicular to said one of said sliding slots and having a limiting gap between adjacent ends of said one of said sliding slots for receiving a lower end of said inverted U-shaped holder at a corresponding position;