CN214596699U - Needle protection structure and needle device - Google Patents
Needle protection structure and needle device Download PDFInfo
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- CN214596699U CN214596699U CN202022986817.4U CN202022986817U CN214596699U CN 214596699 U CN214596699 U CN 214596699U CN 202022986817 U CN202022986817 U CN 202022986817U CN 214596699 U CN214596699 U CN 214596699U
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Abstract
The invention relates to the field of medical instruments, and particularly discloses a needle protection structure and a needle device. The needle protection structure comprises a needle seat, a needle tube and a protection seat, wherein the protection seat is provided with a needle hole and is rotatably and movably connected with a cover plate, and an elastic part is arranged between the protection seat and the cover plate. The needle holder is characterized by further comprising a limiting belt made of flexible materials, wherein one end of the limiting belt is connected with the needle holder, and the other end of the limiting belt is connected with the protection seat. The needle seat has at least the following two position states relative to the protective seat: in the first position state, the elastic element is in an energy storage state, the needle tube penetrates through the needle hole and the needle penetrating channel, and the limiting belt is in a loose state; in the second position, the needle tube is withdrawn from the needle threading channel, the needle threading channel is staggered with the needle hole, and the limiting belt is in a tightening state. The needle protection structure is used after the needle is used, the sharp-pricked part of the needle tube is accommodated, the sharp-pricked end of the needle tube is prevented from being exposed outside, secondary injury and cross infection are avoided, and a patient and medical staff are protected.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a needle protection structure and a needle device.
Background
Various needle devices are the most common disposable consumables used in medical institutions and the most common needle devices are used, and after the traditional needle devices are used, the needle heads are usually exposed outside, so that accidental needle stick injuries and environmental pollution are easily caused. The puncture wound and the cross infection caused by the puncture wound are safety and health problems which afflict medical staff for a long time, and the puncture tip of the contaminated needle tube is exposed outside after the use, so that the secondary injury and the cross infection are easily caused. There is therefore a need to design a needle device that is more safe and minimizes the risk of secondary injury and cross-infection.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a needle protection structure and a needle device, after a needle is used, a sharp-pointed part of a needle tube is accommodated, so that secondary injury and cross infection caused by the fact that a sharp-pointed end of the needle tube is exposed outside are avoided, and a patient and medical staff are protected.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the needle protection structure comprises a needle seat, a needle tube and a protection seat, wherein the needle tube is connected with the needle seat; the protective seat is provided with a pinhole and is rotatably and movably connected with a cover plate, and an elastic part is arranged between the protective seat and the cover plate; the cover plate is provided with a needle threading channel; the needle holder is characterized by also comprising a limiting belt made of flexible materials, wherein one end of the limiting belt is connected with the needle holder, and the other end of the limiting belt is connected with the protection seat;
the needle seat has at least the following two position states relative to the protective seat:
in the first position state, the needle threading channel is aligned with the needle hole, the elastic piece is in an energy storage state, the needle tube penetrates through the needle hole and the needle threading channel, and the limit belt is in a loose state;
in the second position state, the needle tube is withdrawn from the needle threading channel, and the needle threading channel is staggered with the needle hole; at the moment, the limiting belt is in a tightening state.
When the needle is used, the needle base is located at the first position state relative to the protection base, the needle penetrating channel is aligned with the needle hole, the sharp-pointed end of the needle tube extends out of the needle penetrating channel, the elastic piece is in a relaxation energy storage state, and the needle tube is in contact with the cover plate to prevent the cover plate from rotating relative to the protection base. After the needle is used, the needle seat is pushed to move relative to the protective seat until the sharp piercing end of the needle tube is withdrawn from the needle penetrating channel. At the moment, the elastic force of the elastic piece drives the cover plate to rotate until the needle threading channel is dislocated with the needle tube and enters a second position state. The cover plate prevents the sharp prick end of the needle tube from extending out again, and meanwhile, the limiting belt is tightened to prevent the needle tube from withdrawing from the protective seat, so that the sharp prick end of the needle tube is limited in the protective seat.
Adopt above-mentioned needle protection architecture, can use the completion after the needle, accomodate the point thorn portion of needle tubing, avoid the needle tube point thorn end to expose outside, cause secondary damage and cross infection, protection patient and medical personnel.
Preferably, the needle base is provided with a butterfly wing, so that the needle base can be held by a hand when in use, and the needle base is pushed to move relative to the protection base.
Preferably, the limiting belt and the needle seat are integrally formed or welded.
Preferably, the protection seat comprises a shell and a bottom plate, the shell is connected with the bottom plate, the corresponding end part of the limiting belt is pressed by the shell and the bottom plate, and the limiting belt is simple and convenient to mount.
Preferably, the elastic part is a torsion spring, a first torsion arm of the torsion spring is connected with the protective seat, and a second torsion arm of the torsion spring is connected with the cover plate.
Preferably, the shell and the bottom plate are connected and enclose a synthetic installation cavity, a base is arranged in the installation cavity, the torsion spring is connected with the base, and the needle hole is formed in the base.
Preferably, the bottom plate is provided with a through hole, and the cover plate is arranged in the through hole and is rotatably and movably connected with the base.
Preferably, the device also comprises a pre-tightening assembly arranged between the needle seat and the protective seat, wherein the pre-tightening assembly comprises an elastic lug arranged on the protective seat/the needle seat and a pressing groove arranged on the needle seat/the protective seat, and the elastic lug is inserted into the pressing groove in the first position state.
The pre-tightening component is matched and connected in the first position state, so that the needle seat can be prevented from moving relative to the protective seat in the normal use state of the needle.
A needle device comprising a needle protection arrangement as described above.
Drawings
FIG. 1 is a schematic structural view of the needle protection structure of the present embodiment in a first position;
FIG. 2 is a bottom view of the needle guard structure of this embodiment in a first position;
FIG. 3 is an exploded view of the needle protection structure of the present embodiment;
FIG. 4 is a schematic structural view of the needle protection structure of the present embodiment with the housing removed in the first position;
FIG. 5 is a side view of the needle guard structure of this embodiment in partial cross-section in a first position;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a schematic structural view of the needle protection structure of the present embodiment in a second position;
FIG. 8 is a bottom view of the needle guard structure of this embodiment in a second position;
FIG. 9 is a schematic structural view of the needle protection structure of the present embodiment with the housing removed in the second position;
fig. 10 is a schematic view illustrating the base, the elastic member and the cover plate of the needle protection structure of the present embodiment in the second position.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1-3, the needle protection structure comprises a needle base 1, a needle tube 3 and a protection base 2, wherein the needle tube 3 is connected with the needle base 1. The needle base 1 is provided with the butterfly wing 12, so that the needle base 1 can be held by hand when in use, and the needle base 1 is pushed to move relative to the protective base 2.
As shown in fig. 3-6, the protection seat 2 includes a housing 25 and a bottom plate 21, the housing 25 and the bottom plate 21 are connected and enclose a mounting cavity 23, and a base 22 is disposed in the mounting cavity 23. The base 22 is provided with a pinhole and is rotatably and movably connected with a cover plate 4, and an elastic part 5 is arranged between the base 22 and the cover plate 4. The cover plate 4 is provided with a needle threading channel 42. The bottom plate 21 is provided with a through hole 26, and the cover plate 4 is arranged in the through hole 26. As shown in fig. 10, the elastic member 5 is a torsion spring, and a first torsion arm 51 of the torsion spring is connected with the protection seat 2, and a second torsion arm 53 of the torsion spring is connected with the cover plate 4.
As shown in fig. 3, 7, 8 and 9, the needle holder further comprises a limiting belt 6 made of flexible material, wherein one end of the limiting belt 6 is connected with the needle holder 1, and the other end is connected with the protection holder 2. As shown in fig. 3, the position-limiting band 6 and the needle holder 1 are integrally formed or welded, as shown in fig. 5 and 6, the corresponding end of the position-limiting band 6 is pressed by the shell 25 and the bottom plate 21, and the position-limiting band 6 is easy and convenient to install.
The needle seat 1 has at least the following two position states relative to the protective seat 2:
as shown in fig. 1 and 2, in the first position, the needle threading channel 42 is aligned with the needle hole, the elastic element 5 is in an energy storage state, the needle tube 3 passes through the needle hole and the needle threading channel 42, and the position-limiting belt 6 is in a loose state;
as shown in fig. 7-9, in the second position, the needle tube 3 is withdrawn from the needle-threading passage 42, and the needle-threading passage 42 is staggered with the needle hole; at this time, the check strap 6 is in a tightened state.
When the needle is used, the needle base 1 is located at the first position state relative to the protection base 2, the needle penetrating passage 42 is aligned with the needle hole, the sharp-pointed end of the needle tube 3 extends out of the needle penetrating passage 42, the elastic piece 5 is in a relaxation energy storage state, and the needle tube 3 is in contact with the cover plate 4 to prevent the cover plate 4 from rotating relative to the protection base 2. After the needle is used, the needle holder 1 is pushed to move relative to the protective seat 2 until the sharp end of the needle tube 3 is withdrawn from the needle threading channel 42. At this time, the elastic force of the elastic element 5 drives the cover plate 4 to rotate until the needle threading channel 42 is dislocated with the needle tube 3 and enters the second position state. The cover plate 4 prevents the sharp prick end of the needle tube 3 from extending out again, and simultaneously the limiting belt 6 is tightened to prevent the needle tube 3 from withdrawing from the protection seat 2, so that the sharp prick end of the needle tube 3 is limited in the protection seat 2.
Adopt above-mentioned needle protection architecture, can use the completion at the needle after, accomodate the spine portion of needle tubing 3, avoid 3 spine ends of needle tubing to expose outside, cause secondary damage and cross infection, protection patient and medical personnel.
Further, as shown in fig. 3 and 7, the device further comprises a pre-tightening assembly arranged between the needle holder 1 and the protection holder 2, wherein the pre-tightening assembly comprises an elastic projection 11 arranged on the protection holder 2/the needle holder 1 and a pressing groove 24 arranged on the needle holder 1/the protection holder 2, and in the first position state, the elastic projection 11 is inserted into the pressing groove 24. The pre-tightening component is matched and connected in the first position state, so that the needle base 1 can be prevented from moving relative to the protective base 2 in the normal use state of the needle.
A needle device comprising a needle protection arrangement as described above.
In conclusion, the above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Needle protection architecture, its characterized in that: the needle tube is connected with the needle seat; the protective seat is provided with a pinhole and is rotatably and movably connected with a cover plate, and an elastic part is arranged between the protective seat and the cover plate; the cover plate is provided with a needle threading channel;
the needle holder is characterized by also comprising a limiting belt made of flexible materials, wherein one end of the limiting belt is connected with the needle holder, and the other end of the limiting belt is connected with the protection seat;
the needle seat has at least the following two position states relative to the protective seat:
in the first position state, the needle threading channel is aligned with the needle hole, the elastic piece is in an energy storage state, the needle tube penetrates through the needle hole and the needle threading channel, and the limit belt is in a loose state;
in the second position state, the needle tube is withdrawn from the needle threading channel, and the needle threading channel is staggered with the needle hole; at the moment, the limiting belt is in a tightening state.
2. The needle protection structure according to claim 1, wherein: the needle base is provided with a butterfly wing.
3. The needle protection structure according to claim 1, wherein: the limit belt and the needle seat are integrally formed or welded.
4. The needle protection structure according to claim 1, wherein: the protection seat comprises a shell and a bottom plate, the shell is connected with the bottom plate, and the shell and the bottom plate compress the corresponding end parts of the limiting belts.
5. The needle protection structure according to claim 4, wherein: the elastic piece be the torsional spring, the first torque arm and the protection seat of torsional spring are connected, the second torque arm is connected with the apron.
6. The needle protection structure according to claim 5, wherein: the casing and the bottom plate are connected and enclose a synthetic installation cavity, the installation cavity is internally provided with a base, the torsion spring is connected with the base, and the needle hole is arranged on the base.
7. The needle protection structure according to claim 6, wherein: the base plate is provided with a through hole, and the cover plate is arranged in the through hole and is rotatably and movably connected with the base.
8. The needle protection structure according to any one of claims 1 to 7, wherein: the pre-tightening assembly comprises an elastic lug arranged on the protection seat/needle seat and a pressing groove arranged on the needle seat/protection seat, and the elastic lug is inserted into the pressing groove in the first position state.
9. A needle device characterized by: comprising a needle protection structure according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986817.4U CN214596699U (en) | 2020-12-14 | 2020-12-14 | Needle protection structure and needle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986817.4U CN214596699U (en) | 2020-12-14 | 2020-12-14 | Needle protection structure and needle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214596699U true CN214596699U (en) | 2021-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022986817.4U Active CN214596699U (en) | 2020-12-14 | 2020-12-14 | Needle protection structure and needle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214596699U (en) |
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2020
- 2020-12-14 CN CN202022986817.4U patent/CN214596699U/en active Active
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