CN211512923U - Disposable precision anti-needle-stick injury infusion apparatus - Google Patents
Disposable precision anti-needle-stick injury infusion apparatus Download PDFInfo
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- CN211512923U CN211512923U CN201922399679.7U CN201922399679U CN211512923U CN 211512923 U CN211512923 U CN 211512923U CN 201922399679 U CN201922399679 U CN 201922399679U CN 211512923 U CN211512923 U CN 211512923U
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- needle
- protective sleeve
- pintle
- wedge
- infusion
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Abstract
The utility model discloses a disposable precision anti-needle-prick transfusion device, which comprises a transfusion needle and a protective sleeve, wherein the protective sleeve is sleeved outside the transfusion device, one side of the surface of the protective sleeve is provided with a sliding groove for a needle wing to pass through along the axial direction, the top end of the sliding groove is provided with a limit groove, and the limit groove is communicated with the sliding groove; the top of the protective sleeve is provided with a rubber sealing cover, and the inner layer of the central part of the rubber sealing cover is provided with an alcohol cotton layer; the back side of the top of the protective sleeve is provided with an anti-pressing block, and the needle head is attached to the front side of the anti-pressing block; the inner wall of the lower end of the protective sleeve is provided with a plurality of wedge-shaped bulges matched with the pintle, and the wedge-shaped bulges are uniformly arranged on the same cross section of the inner wall of the protective sleeve. The utility model discloses simple structure, practical reliable, the protective sheath can effectively play the effect that keeps apart the syringe needle and prevent that it from hindering other people by mistake to the setting of connecting strip can prevent reuse effectively, reaches the purpose of disposable.
Description
Technical Field
The utility model belongs to the technical field of medical injection equipment, concretely relates to disposable precision prevents that acupuncture hinders transfusion system.
Background
The infusion apparatus is a clinical common medical article, the use amount is large in daily clinical care work, and the existing infusion apparatus still has many defects in the current situation. The protective sleeve on the needle head of the existing transfusion device is mostly discarded when in use, after the transfusion is finished, the needle tube is pulled out from the blood vessel of a patient and is often directly discarded into a medical waste sharps box, and during the period, the unprotected and exposed polluted needle head is very likely to puncture the skin of an operator or surrounding personnel, and the puncture wound can also cause infectious germs. Meanwhile, in the process of recycling the medical wastes, the sharp needle can pierce the garbage bag to cause the medical wastes to fall off, which brings inconvenience and danger to medical staff or cleaning staff. Even if the sheath is temporarily reserved, the sheath is sleeved on the needle tube again after the transfusion is finished, but the volume of the sheath is small, the collection difficulty is high, and the puncture is easy to happen in the process of sleeving the sheath again. If the patient is a patient with hepatitis B or AIDS, the medical personnel can be infected with hepatitis B or AIDS, thereby causing serious physical injury and threatening the life safety.
Patent document CN 209645566U discloses an anti-stab infusion apparatus, which comprises an infusion hose, a drip cup, a flow rate regulator and a needle body, wherein the drip cup and the flow rate regulator are both arranged on the infusion hose, and the lower end of the infusion hose is communicated with the needle body; one side of the drip cup is provided with a short rubber pipe, the other end of the drip cup is provided with a short sealing pipe, the short rubber pipe is communicated with the interior of the drip cup, the short sealing pipe is not communicated with the interior of the drip cup, and the free end of the short sealing pipe is provided with hard foam. The utility model discloses a simple structure, convenient operation only needs after pulling out the needle to insert the syringe needle can hide the syringe needle in the hard foam, avoids the syringe needle to expose and takes place the acupuncture wound outward. But this utility model well syringe needle and hard foam distance are too far away, and the condition of stabbing still probably takes place for the in-process that the syringe needle inserted hard foam, and operation process is convenient inadequately moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disposable precise anti-needle-stick injury infusion apparatus,
can realize effective isolation of the needle after infusion and prevent others from being accidentally injured, and has simple structure and convenient operation.
The utility model provides a technical problem adopt following technical scheme to realize:
a disposable precise anti-needle-stick injury infusion apparatus comprises an infusion needle and a protective sleeve, wherein the infusion needle comprises a needle head, a pintle and a hose, one end of the pintle is communicated with the needle head, the other end of the pintle is communicated with one end of the hose, the other end of the hose is connected with a connector, and one side of the middle part of the pintle is provided with a needle wing;
the protective sleeve is sleeved outside the infusion apparatus, a sliding groove for the needle wing to penetrate through is formed in one side of the surface of the protective sleeve along the axial direction, a limiting groove is formed in the top end of the sliding groove, and the limiting groove is communicated with the sliding groove;
the top of the protective sleeve is provided with a rubber sealing cover, and an alcohol cotton layer is embedded in the inner layer of the central part of the rubber sealing cover; the back side of the top of the protective sleeve is provided with an anti-pressing block, and the needle head is attached to the front side of the anti-pressing block; the inner wall of the lower end of the protective sleeve is provided with a plurality of wedge-shaped bulges matched with the pintle, and the wedge-shaped bulges are uniformly arranged on the same section of the inner wall of the protective sleeve; a connecting strip is arranged between the side wall of the bottom end of the protective sleeve and the lower surface of the needle wing of the infusion needle, and two ends of the connecting strip are respectively connected with the side wall of the bottom end of the protective sleeve and the lower surface of the needle wing of the infusion needle integrally; the bottom surface of the protective sleeve is provided with a through hole for the hose to move up and down.
The anti-pressing block is of a trapezoidal structure with a wide upper part and a narrow lower part, and the side walls of the left end and the right end of the top of the anti-pressing block are of arc-shaped fillet structures. The patient is at the infusion in-process, and the syringe needle stretches out from the protective sheath, prevents that the briquetting pad has increased the area of contact of transfusion system with skin at the contact position of syringe needle and skin, can prevent crushing and scraping effectively, avoids the patient because of the local epidermis oppression that the infusion time overlength caused, has guaranteed the security of infusion
Wherein, a plurality of wedge-shaped bulges are integrally inclined towards the connecting direction of the hose and the connector.
The length from the rubber sealing cover in the protective sleeve to the wedge-shaped bulge is greater than the sum of the lengths of a needle head and a pintle in the infusion needle, and the length from the wedge-shaped bulge to the bottom surface of the protective sleeve is greater than the length of the pintle.
Wherein, the protective sheath is hollow cylinder tubular structure.
Wherein, be provided with the handle of being convenient for to hold on the protective sheath.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, the protective sheath is cavity cylinder tubular structure, and protective sheath surface one side is provided with the sliding tray along the axial, and the sliding tray top is provided with the spacing groove, and the faller of pintle one side runs through to peg graft in the sliding tray and can carry out spacing slip. A connecting strip is arranged between the lower surface of the needle wing and the side wall of the bottom end of the protective sleeve. When medical personnel used this syringe, at first tear the connecting strip open, remove the restriction to the needle wing position, then slide the needle wing along the sliding tray and fix to the spacing groove to guarantee that the transfusion system syringe needle can not retract in the use, influence the normal clear of infusion process. After the transfusion is finished, the needle wing is pulled out of the limiting groove and returns to the sliding groove, and then slides to the bottom of the limiting groove. The inner wall of the lower end of the protective sleeve is provided with wedge-shaped bulges, the wedge-shaped bulges are uniformly distributed on the inner wall of the protective sleeve and are positioned on the same cross section, when the needle wing slides to the bottom of the sliding groove, the pintle just passes through the wedge-shaped bulges and is fixed at the bottom end of the protective sleeve by a plurality of wedge-shaped bulges on the same cross section, the function of isolating the needle head to prevent the pintle from accidentally injuring other people is achieved, and the probability of cross infection. The wedge-shaped bulge is integrally inclined towards the hose and the connector, so that the fixing effect of the wedge-shaped bulge on the pintle can be enhanced.
2. In the utility model, the top end of the protective sleeve is provided with a rubber sealing cover, and an alcohol cotton layer is embedded in the center of the rubber sealing cover; the needle head is disinfected while penetrating through the alcohol cotton layer in the rubber sealing cover, so that the safety of the infusion process is improved; the bottom side of the top of the protective sleeve is provided with a pressure-proof block, and the pressure-proof block is in a trapezoidal design with a wide upper part and a narrow lower part, and the side walls of the left end and the right end of the top are arc-shaped fillet structures. The patient is at the infusion in-process, prevents that the briquetting fills up in the contact position of syringe needle and skin, has increased the area of contact of transfusion system with the skin, can prevent crushing wound and scraping effectively, avoids the patient because of the local epidermis oppression that the infusion time overlength caused, has guaranteed the security of infusion.
3. After the transfusion of the transfusion device of the utility model is finished, the connecting strip between the side wall at the bottom end of the protective sleeve and the lower surface of the needle wing is damaged; the pintle is between wedge protruding below and protective sheath bottom surface, and the wedge is protruding to the direction of connection slope of connector and hose entirely, and the pintle can not move back after removing to wedge protruding below, and medical personnel can judge the security of this transfusion system according to whether complete and the position of pintle of connecting strip, has guaranteed the disposable of this transfusion system, avoids the reutilization. In addition, the infusion apparatus can be discarded integrally after use, so that scattered parts are not produced, and the waste treatment is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a sliding groove of the present invention;
FIG. 3 is a schematic cross-sectional view of the rubber cap of the present invention;
FIG. 4 is a left side view schematic diagram of the anti-blocking block of the present invention;
fig. 5 is a schematic top view of the protective sheath of the present invention;
FIG. 6 is a schematic view of the needle wing of the present invention in use sliding to the position-limiting groove;
fig. 7 is a schematic view of the state of the utility model when the needle is retracted to the lower part of the wedge-shaped bulge in the protective sleeve after the completion of the transfusion.
Wherein: 1. an infusion needle; 11. a needle head; 12. a pintle; 13. a hose; 14. a needle wing; 2. a protective sleeve; 21. a sliding groove; 211. a limiting groove; 22. a rubber cover; 221. an alcohol cotton layer; 23. anti-briquetting; 24. a wedge-shaped protrusion; 25. a through hole; 3. a connector; 4. and (4) connecting strips.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Referring to the attached drawings 1-7, a disposable precise anti-needle-stick injury infusion apparatus comprises an infusion needle 1 and a protective sleeve 2, wherein the infusion needle 1 comprises a needle head 11, a pintle 12 and a hose 13, one end of the pintle 12 is communicated with the needle head 11, the other end of the pintle 12 is communicated with one end of the hose 13, the other end of the hose 13 is connected with a connector 3, and one side of the middle part of the pintle 12 is provided with a needle wing 14;
the protective sleeve 2 is sleeved outside the infusion needle 1, a sliding groove 21 for the needle wing 14 to penetrate through is formed in one side of the surface of the protective sleeve 2 along the axial direction, a limiting groove 211 is formed in the top end of the sliding groove 21, and the limiting groove 211 is communicated with the sliding groove 21;
the top of the protective sleeve 2 is provided with a rubber sealing cover 22, and an alcohol cotton layer 221 is embedded in the inner layer of the central part of the rubber sealing cover 22; the back side of the top of the protective sleeve 2 is provided with an anti-pressing block 23, and the needle 11 is attached to the front side of the anti-pressing block 23; a plurality of wedge-shaped bulges 24 matched with the pintle 12 are arranged on the inner wall of the lower end of the protective sleeve 2, and the wedge-shaped bulges 24 are uniformly arranged on the same section of the inner wall of the protective sleeve 2; a connecting strip 4 is arranged between the side wall of the bottom end of the protective sleeve 2 and the lower surface of the needle wing 14 of the infusion needle 1, and two ends of the connecting strip 4 are respectively connected with the side wall of the bottom end of the protective sleeve 2 and the lower surface of the needle wing 14 of the infusion needle 1 integrally; the bottom surface of the protective sleeve 2 is provided with a through hole 25 for the hose 13 to move up and down.
Further, the anti-pressing block 23 is a trapezoidal structure with a wide upper part and a narrow lower part, and the side walls of the left end and the right end of the top of the anti-pressing block 23 are both arc-shaped fillet structures.
Furthermore, the wedge-shaped protrusions 24 are integrally inclined toward the connection direction of the hose 13 and the connection head 3.
Further, the length from the rubber sealing cover 22 to the wedge-shaped bulge 24 in the protective sleeve 2 is greater than the sum of the lengths of the needle head 11 and the pintle 12 in the infusion needle 1, and the length from the wedge-shaped bulge 24 to the bottom surface of the protective sleeve 2 is greater than the length of the pintle 12.
Further, the protective sleeve 2 is a hollow cylindrical structure.
Further, a handle convenient to hold is arranged on the protective sleeve 2.
The utility model discloses the theory of operation as follows:
when not in use, the needle 11 and the pintle 12 are disposed below the rubber cover 22 and above the wedge-shaped protrusion 24. When the infusion set is used, a medical worker holds the infusion set through the handle on the protective sleeve 2, then tears off the connecting strip 4 between the side wall of the protective sleeve 2 and the lower surface of the needle wing 14, slides the needle wing 14 to the limiting groove 211 for fixing, and in the sliding process, the needle 11 pierces the rubber sealing cover 22 and is disinfected again through the alcohol cotton layer 221 on the inner layer in the middle of the needle; after the infusion was accomplished, extract syringe needle 11, stir the needle wing 14 in the spacing groove 211 and slide to spacing groove 211 bottom, 2 lower extreme inner walls of protective sheath are provided with a plurality of wedge archs 24 that are in same cross-section, wedge arch 24 is whole to the direction of connection slope of connector 3 with hose 13, pintle 12 can not move back after removing to the protruding 24 below of wedge, when needle wing 14 slides to 21 bottoms of sliding tray, pintle 12 and syringe needle 11 pass wedge arch 24, wedge arch 24 is with protective sheath 2 and pintle 12 chucking, syringe needle 11 has been avoided exposing, thereby effectual protection medical personnel, and the nursing efficiency is improved. Before use, medical staff can judge the safety of the infusion apparatus according to the completeness of the connecting strip 4 and the position of the pintle 12, so that secondary utilization is prevented. Moreover, the utility model can be directly and integrally discarded after the use is finished, so that scattered parts can not be produced, and the waste treatment is convenient.
The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a disposable precision prevents that acupuncture hinders transfusion system which characterized in that: the infusion needle comprises an infusion needle (1) and a protective sleeve (2), wherein the infusion needle (1) comprises a needle head (11), a pintle (12) and a hose (13), one end of the pintle (12) is communicated with the needle head (11), the other end of the pintle (12) is communicated with one end of the hose (13), the other end of the hose (13) is connected with a connector (3), and one side of the middle part of the pintle (12) is provided with a needle wing (14);
the protective sleeve (2) is sleeved outside the infusion needle (1), one side of the surface of the protective sleeve (2) is provided with a sliding groove (21) for a needle wing (14) to penetrate through along the axial direction, the top end of the sliding groove (21) is provided with a limiting groove (211), and the limiting groove (211) is communicated with the sliding groove (21);
the top of the protective sleeve (2) is provided with a rubber sealing cover (22), and an alcohol cotton layer (221) is embedded in the inner layer of the central part of the rubber sealing cover (22); the back side of the top of the protective sleeve (2) is provided with an anti-pressing block (23), and the needle head (11) is attached to the front side of the anti-pressing block (23); the inner wall of the lower end of the protective sleeve (2) is provided with a plurality of wedge-shaped bulges (24) matched with the pintle (12), and the wedge-shaped bulges (24) are uniformly arranged on the same section of the inner wall of the protective sleeve (2); a connecting strip (4) is arranged between the side wall of the bottom end of the protective sleeve (2) and the lower surface of the needle wing (14) of the infusion needle (1), and two ends of the connecting strip (4) are respectively and integrally connected with the side wall of the bottom end of the protective sleeve (2) and the lower surface of the needle wing (14) of the infusion needle (1); the bottom surface of the protective sleeve (2) is provided with a through hole (25) for the hose (13) to move up and down.
2. The disposable precision needle stick injury prevention infusion set according to claim 1, wherein: the anti-pressing block (23) is of a trapezoidal structure with a wide upper part and a narrow lower part, and the side walls of the left end and the right end of the top of the anti-pressing block (23) are of arc-shaped fillet structures.
3. The disposable precision needle stick injury prevention infusion set according to claim 1, wherein: the wedge-shaped protrusions (24) are integrally inclined towards the connection direction of the hose (13) and the connector (3).
4. The disposable precision needle stick injury prevention infusion set according to claim 1, wherein: the length from a rubber sealing cover (22) to a wedge-shaped bulge (24) in the protective sleeve (2) is greater than the sum of the lengths of a needle head (11) and a pintle (12) in the infusion needle (1), and the length from the wedge-shaped bulge (24) to the bottom surface of the protective sleeve (2) is greater than the length of the pintle (12).
5. The disposable precision needle stick injury prevention infusion set according to claim 1, wherein: the protective sleeve (2) is of a hollow cylindrical structure.
6. The disposable precision needle stick injury prevention infusion set according to claim 1, wherein: the protective sleeve (2) is provided with a handle which is convenient to hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399679.7U CN211512923U (en) | 2019-12-27 | 2019-12-27 | Disposable precision anti-needle-stick injury infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399679.7U CN211512923U (en) | 2019-12-27 | 2019-12-27 | Disposable precision anti-needle-stick injury infusion apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN211512923U true CN211512923U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399679.7U Active CN211512923U (en) | 2019-12-27 | 2019-12-27 | Disposable precision anti-needle-stick injury infusion apparatus |
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| CN (1) | CN211512923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118001506A (en) * | 2024-04-08 | 2024-05-10 | 潍坊市华星医疗器械有限公司 | Needle-free connection safety protection device for infusion apparatus with needle |
-
2019
- 2019-12-27 CN CN201922399679.7U patent/CN211512923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118001506A (en) * | 2024-04-08 | 2024-05-10 | 潍坊市华星医疗器械有限公司 | Needle-free connection safety protection device for infusion apparatus with needle |
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