CN213491197U

CN213491197U - Improved sharp instrument box

Info

Publication number: CN213491197U
Application number: CN202020534491.9U
Authority: CN
Inventors: 戴文艺; 刘嘉林; 伍友春
Original assignee: Third Peoples Hospital of Shenzhen
Current assignee: Third Peoples Hospital of Shenzhen
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-06-22
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to the field of medical instruments, and discloses an improved sharps box, comprising a box body, a box cover, a cylinder body, a bearing ring for carrying a needle seat, an air suction part and a trachea; the cylinder body is fixed on the upper end face of the box cover The outer wall of the bearing ring is fixed on the inner wall of the cylinder along the circumferential direction; the air extraction part is fixed on the outer wall of the box; the outer wall of the cylinder is provided with a through hole located below the bearing ring; the cylinder is equipped with a disinfectant below the through hole; The first end is communicated with the through hole, and the second end is communicated with the air suction member; when the needle seat is placed on the bearing ring, the lower end of the needle body extends into the disinfectant; the air suction member will form air pressure by means of air suction poor to compress the needle hub against the carrier ring. Compared with the prior art, the utility model can avoid needle stick injuries when the medical staff takes the needle and throws the needle, so that the insulin needle can be easily removed from the insulin pen.

Description

Improved sharp instrument box

Technical Field

The utility model relates to the field of medical equipment, specifically say, relate to an improvement sharp machine 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 101 and a needle hub 102, and the needle hub 102 is in threaded engagement with the insulin pen. When dropping the insulin syringe needle after using into sharp machine box, need medical personnel to unscrew needle file 102 from insulin pen manual earlier, throw the insulin syringe needle into sharp machine box again. However, there is still a need for improvement in that needle stick injuries are likely to occur during needle withdrawal and needle insertion, and it is not easy to remove the insulin needle from the insulin pen.

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 the upper end surface of the box cover is downwards provided with a needle pulling port for pulling out a medical needle and a throwing port for throwing in a medical sharp instrument, and the improved sharp instrument box also comprises a cylinder body, a bearing ring for bearing a needle base, an air pumping piece and an air pipe;

the cylinder body is fixedly arranged on the upper end surface of the box cover; the outer wall of the bearing ring is fixed on the inner wall of the cylinder along the circumferential direction; the air pumping piece is fixed on the outer wall of the box body; a through hole positioned below the bearing ring is formed in the outer wall of the cylinder body; disinfectant liquid positioned below the through hole is filled in the cylinder; the first end of the air pipe is communicated with the through hole, and the second end of the air pipe is communicated with the air pumping piece;

when the needle seat is arranged on the bearing ring, the lower end of the needle body extends into the disinfectant, and the air pumping piece forms air pressure difference in a pumping mode so as to press the needle seat on the bearing ring.

The above technical solution is further described as follows:

preferably, the air extractor is provided as a vacuum extractor.

Preferably, the air pumping part comprises an air pumping cylinder, a piston and a push-pull rod;

the air pumping cylinder is detachably fixed on the outer wall of the box body, the upper end of the air pumping cylinder is open, and the lower end of the air pumping cylinder is provided with a luer connector; the second end of the air pipe is sleeved and fixed on the luer connector; the piston can be clamped in the air suction cylinder in a vertical sliding manner; the lower end of the push-pull rod is fixedly connected with the piston, and the upper end of the push-pull rod extends out of the opening at the upper end of the air suction cylinder.

Preferably, the box body further comprises an annular elastic bandage sleeved and fixed on the outer wall of the box body; the air pumping cylinder is bound between the outer wall of the box body and the inner side of the annular elastic bandage.

Preferably, the device also comprises a balance air pipe and a switch valve; the balance air pipe is communicated with the air pumping cylinder and is fixed at the lower end of the outer wall of the air pumping cylinder; the switch valve is fixed on the balance air pipe.

Preferably, when the needle mount is placed on the carrier ring, its upper end is higher than the barrel.

Preferably, the upper end face of the box cover is provided with a thread groove; the lower end of the outer wall of the cylinder body is in threaded connection with the inside of the threaded groove.

Preferably, the air tube is a rubber hose.

The utility model has the advantages that:

when the insulin needle is taken down from the insulin pen, firstly, the insulin pen is held, the insulin needle is stretched into the cylinder body, the needle seat of the insulin needle is abutted against the upper end of the bearing ring, the lower end of the needle body of the insulin needle penetrates through the bearing ring and then stretches into the disinfectant, and a blind cavity is formed between the lower end of the needle seat and the cylinder body; secondly, the air pumping piece pumps air to the blind cavity to form air pressure difference inside and outside the blind cavity, the needle seat is pressed on the bearing ring under the action of pressure intensity, and then the insulin pen is rotated to be screwed down from the insulin needle head; and finally, the air extracting part stops extracting air from the blind cavity, so that the air pressure inside and outside the blind cavity is restored to be balanced, and the insulin needle head can be taken out from the barrel body and put into the box body through the putting-in opening. Compared with the prior art, the utility model discloses in, through foretell settlement, reached and avoided medical personnel to take place the purpose that the needle stick wounded when getting the needle, throwing the needle to be convenient for take off insulin pen syringe needle from insulin pen.

Drawings

FIG. 1 is a schematic view of a prior art insulin needle;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the structure of the needle hub on the carrier ring.

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 seat; 201. a box body; 202. a box cover; 2021. pulling a needle opening; 2022. a throwing port; 2023. a thread groove; 30. a barrel; 40. a load ring; 501. an air pumping cylinder; 502. a push-pull rod; 60. an air tube; 701. balancing the air pipe; 702. an on-off valve; 80. an annular elastic band.

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. 1 and 2, the present invention provides an improved sharps container, which includes: box 201, lid 202, barrel 30, carrier ring 40, air extraction piece and trachea 60.

The upper end surface of the box cover 202 is provided with a needle pulling opening 2021 and a feeding opening 2022, the needle pulling opening 2021 is used for pulling off a medical needle, and the feeding opening 2022 is used for feeding a medical sharp instrument; the cylinder 30 is fixed on the upper end surface of the box cover 202 and is positioned on the right side of the feeding opening 2022, and the inner diameter of the cylinder 30 is slightly larger than the outer diameter of the needle seat 102; the bearing ring 40 is used for bearing the needle seat 102, and the outer wall of the bearing ring 40 is fixed on the inner wall of the barrel 30 along the circumferential direction; the air extracting piece is fixed on the outer wall of the box body 201; a through hole penetrating to the inner wall of the cylinder 30 is formed in the outer wall of the cylinder 30 and is positioned below the bearing ring 40; the cylinder 30 is filled with disinfectant which is positioned below the through hole; the first end of the air pipe 60 is communicated with the through hole, the second end of the air pipe 60 is communicated with the air pumping piece, and the air pipe 60 is a rubber hose.

When the needle seat 102 is arranged on the bearing ring 40, the lower end of the needle body 101 extends into the disinfectant, so that a blind cavity is formed between the lower end of the needle seat 102 and the barrel 30, the air pumping piece performs air pumping on the blind cavity in an air pumping mode, and an air pressure difference is formed between the inside and the outside of the blind cavity, so that the needle seat 102 is pressed on the bearing ring 40 under the action of pressure intensity.

As shown in fig. 2, in the present embodiment, the pumping element includes a pumping cylinder 501, a piston and a push-pull rod 502; in other embodiments, the suction member may also be provided as a vacuum pump. The air pumping cylinder 501 is detachably fixed on the outer wall of the box body 201, the upper end of the air pumping cylinder 501 is open, and the lower end of the air pumping cylinder 501 is provided with a luer connector; the second end of the air tube 60 is fixedly sleeved on the luer connector; the piston can be clamped in the air pumping cylinder 501 in a vertical sliding manner; the lower end of the push-pull rod 502 is fixedly connected with the piston, and the upper end of the push-pull rod 502 extends out of the opening at the upper end of the air pump 501.

After the needle seat 102 is placed on the bearing ring 40, the push-pull rod 502 is pulled upwards to drive the piston to slide upwards along the inner wall of the air pumping cylinder 501, so that the air in the blind cavity formed between the lower end of the needle seat 102 and the cylinder 30 can be pumped out, and the air pressure difference is formed between the inside and the outside of the blind cavity.

As shown in fig. 1 and fig. 2, preferably, the present invention is further provided with: a balance gas pipe 701 and a switch valve 702; the balance air pipe 701 is communicated with the air pumping cylinder 501, and the balance air pipe 701 is fixed at the lower end of the outer wall of the air pumping cylinder 501; the switching valve 702 is installed on the balance gas pipe 701.

After screwing off the insulin pen from the insulin needle, the on-off valve 702 is opened, so that the gas in the blind cavity can circulate, the needle seat 102 is not affected by the pressure, and the needle seat 102 can be taken down and put into the box body 201 through the putting-in port 2022.

As shown in fig. 2, in this embodiment, a thread groove 2023 is formed on the upper end surface of the box cover 202, and the lower end of the outer wall of the cylinder 30 is screwed into the thread groove 2023; in other embodiments, the lower end of the cylinder 30 can be fixed on the box cover 202 by gluing.

To facilitate removal of hub 102 from barrel 30, as shown in fig. 3, when hub 102 is placed on carrier ring 40, the upper end of hub 102 is higher than barrel 30. Preferably, the inside diameter of barrel 30 is 1.1 times the outside diameter of hub 102. When the needle seat 102 is taken off from the barrel 30, the needle seat 102 can be taken off from the barrel 30 only by holding the upper end of the needle seat 102 with hands.

As shown in fig. 3, in order to detachably fix the air pumping cylinder 501 on the box body 201, the utility model discloses in be provided with: an annular elastic band 80. The annular elastic bandage 80 is fixedly sleeved on the outer wall of the box body 201.

When the air pumping cylinder 501 is fixed, the annular elastic bandage 80 is pulled firstly to form a gap between the inner side of the annular elastic bandage 80 and the outer wall of the box body 201, the air pumping cylinder 501 is placed in the gap, then the annular elastic bandage 80 is loosened, and the air pumping cylinder 501 is bound between the outer wall of the box body 201 and the inner side of the annular elastic bandage 80 under the action of the self resilience force of the annular elastic bandage 80.

In the technical scheme, the needle seat 102 with the needle body 101 required to be pulled out is preferably screwed on an injection device such as an insulin pen needle and the like. 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 is only the preferred embodiment of the present invention, and not 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 the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. an improved sharps box, comprising a box body and a box cover, the upper end of the box cover is provided with a needle-pulling port for pulling out a medical needle and a drop-in port for throwing medical sharps, it is characterized in that, also Including the cylinder body, the carrier ring for carrying the needle seat, the suction part and the trachea;

The cylinder body is fixed on the upper end face of the box cover; the outer wall of the bearing ring is fixed on the inner wall of the cylinder in the circumferential direction; the air suction part is fixed on the outer wall of the box; the outer wall of the cylinder is provided with a through hole located under the bearing ring; a disinfectant located under the through hole is installed in the cylinder; the first end of the trachea is communicated with the through hole, and the second end is connected with the air suction member Pass;

When the needle seat is placed on the carrier ring, the lower end of the needle body extends into the sterilizing solution, and the air suction member will form an air pressure difference through air suction to press the needle seat on the carrier ring.

2 . The improved sharps box according to claim 1 , wherein the air extraction member is configured as a vacuum pump. 3 .

3. The improved sharps box according to claim 1, wherein the air extraction part comprises an air extraction cylinder, a piston and a push-pull rod;

The air suction cylinder is detachably fixed on the outer wall of the box, the upper end is open, and the lower end is provided with a Luer joint; the second end of the trachea is sleeved on the Luer joint; the piston can be up and down The lower end of the push-pull rod is fixedly connected with the piston, and the upper end of the push-pull rod protrudes out of the opening of the upper end of the air extraction cylinder.

4. The improved sharps box according to claim 3, characterized in that, further comprising an annular elastic band fixed on the outer wall of the box; the air suction cylinder is bound to the outer wall of the box and the outer wall of the box. between the inner sides of the annular elastic straps.

5 . The improved sharps box according to claim 3 , further comprising a balance air pipe and an on-off valve; the balance air pipe communicates with the air suction cylinder and is fixed on the lower end of the outer wall of the air suction cylinder; the on-off valve fixed on the balance trachea.

6. The improved sharps box of claim 1, wherein when the needle seat is placed on the carrier ring, its upper end is higher than the barrel.

7 . The improved sharps box according to claim 1 , wherein a threaded groove is formed on the upper end surface of the box cover; and the lower end of the outer wall of the cylinder is threaded into the threaded groove. 8 .

8. The improved sharps box of claim 1, wherein the trachea is a rubber hose.