CN218793380U

CN218793380U - Needle-prick-preventing low-thrombus remaining needle

Info

Publication number: CN218793380U
Application number: CN202221953599.7U
Authority: CN
Inventors: 贺一红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-04-07
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a needle-prick-preventing low-thrombus indwelling needle, which comprises a venous indwelling needle, wherein the venous indwelling needle comprises a needle-prick-preventing puncture device, an infusion device and a thrombus removing device. The puncture-proof device comprises a safety seat, a puncture needle, a needle handle, an indwelling tube, a sealing plug, a puncture-proof cover, a spring and a puncture needle sheath; the infusion device comprises a tee joint, a liquid stopping clamp, an infusion catheter, an infusion protective cap, a heparin protective cap, an infusion catheter and a connecting tee joint; the thrombus removing device comprises a thrombus pot, a one-way valve, a hemostatic clamp and a filter screen; the utility model can protect the puncture needle after pulling out the puncture needle after puncture to prevent medical personnel and treating personnel from being punctured by mistake; and when the venous indwelling needle is left for a long time for secondary transfusion, the blood semi-clot left in the catheter in the blood vessel of the patient, the blood returning in the catheter outside the body and the blood clot at the tail end of the catheter in the body of the patient can be sucked.

Description

Anti-acupuncture low-thrombus remaining needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a prevent low thrombus of acupuncture and keep somewhere needle.

Background

Intravenous infusion therapy is a highly specialized technology, the treatment level of which covers parenteral infusion, nutrition support, medication and infusion, and intravenous infusion is a conventional nursing technical operation that clinical nurses must master, and although seemingly simple, has a lot of skills. If the utility model is used properly, the pain of the patient can be effectively relieved, and the working efficiency can be improved. In order to facilitate infusion and reduce the puncture times of patients, the patients are hospitalized at present and mostly adopt vein indwelling needle heads for once puncture and multi-day infusion. However, in the process of intravenous placement, because a patient moves, rises up and the like, the indwelling needle placed in the blood vessel is congested, multiple doses of heparin injection cause discomfort to the patient and wounds are difficult to heal, and thrombus caused by the indwelling needle placed in the body of the patient is reinfused and filled in the blood vessel of the patient to form an endovascular embolism, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects, the present invention provides a low thrombus indwelling needle with needle-prick prevention.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a needle-prick prevention low thrombus indwelling needle, includes needle-prick prevention formula piercing depth, be connected with the infusion device on the needle-prick prevention formula piercing depth, be connected with the thrombi removal device on the infusion device, the thrombi removal device includes the thrombus kettle, be provided with into blood mouth and gas vent on the thrombus kettle, the thrombi piece is got rid of through the negative pressure to the thrombi removal device.

The needle-prick prevention type puncture device comprises: the safety seat is provided with a puncture port, a transfusion port and a needle withdrawing port, a puncture needle and an indwelling tube are arranged in the puncture port, the tail end of the puncture needle is provided with a needle handle, the needle handle is clamped and arranged in the needle withdrawing port, the needle withdrawing port is provided with a needle-prick preventing cover, and the tail end of the needle handle is connected with the needle-prick preventing cover; the infusion port is connected with the infusion device.

The needle handle is provided with a hand-holding handle, an adhesive groove, a spring bayonet and a clamping table, the clamping table is arranged at a needle withdrawing port of the safety seat, and a spring is arranged in the spring bayonet;

the end of the puncture needle is provided with a blood return groove, a sealing plug is installed in the safety seat, the puncture needle penetrates through the sealing plug and is fixed on the spring, and the tail end of the spring is connected with the puncture-preventing cover.

The anti-acupuncture cover is provided with a spring fixing port and a clamping groove which are respectively used for fixing the spring and the puncture needle.

The range of the clamping force of the clamping table clamped in the needle withdrawing port of the safety seat is 15N-30N.

The elastic force range of the spring is 8N to 15N.

When the puncture needle is used, the clamping table leaves the needle withdrawing port of the safety seat, the compressed spring is released, the puncture-preventing cover spring is popped out, the puncture-preventing cover moves towards the needle point direction of the puncture needle, and the clamping groove is clamped at the blood returning groove part of the puncture needle, so that the puncture-preventing cover can not move up and down any more, and the puncture needle is protected.

The infusion device comprises: the first connecting tee is provided with a heparin port, an infusion port and an infusion injection port;

the infusion injection port is connected with a second connecting tee joint, one port of the second connecting tee joint is connected with the infusion port through an infusion catheter, and the infusion catheter is provided with a liquid stopping clamp; the other port is connected with a thrombus removing device;

a heparin protective cap is arranged on the heparin opening;

an infusion protective cap is arranged on the infusion port.

The thrombectomy device includes: a blood test pot with a blood inlet, an exhaust port and a central tube;

wherein the blood inlet is connected with the infusion device through a thrombectomy catheter, and a hemostatic clamp is arranged on the thrombectomy catheter;

a check valve is installed on the exhaust port, a filter screen port is formed in the tail end of the check valve, and a filter screen is installed in the filter screen port;

the center tube is arranged in the center of the blood examination kettle, and a gap is arranged between the tail end of the center tube and the bottom of the blood examination kettle.

When the infusion is carried out again, the thrombus pot is firstly extruded, the gas in the thrombus pot is discharged from the exhaust port to the outside, and after the gas is loosened, the external gas cannot enter the thrombus pot under the action of the one-way valve, so that the inside of the thrombus pot is filled with negative pressure;

and opening the hemostatic clamp, opening the liquid stopping clamp, sucking the blood clot in the liquid connecting blood vessel in the infusion catheter, the infusion catheter and the indwelling catheter into the blood test kettle through the thrombus removing catheter by negative pressure, and finishing the process of removing the blood clot.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a needle-prick prevention low thrombus indwelling needle, which is provided with a needle-prick prevention puncture device, an infusion device and a thrombus removing device, wherein the thrombus removing device extrudes the inside of a thrombus kettle to fill negative pressure in the thrombus kettle when in use, so that thrombus clot in the vein indwelling needle is moved out of a patient body during infusion, blood coagulation around the indwelling needle is automatically sucked out of the patient body in a sealed state, so as to prevent embolism in blood vessels and ensure the safety of the user; additionally, the utility model discloses in be provided with and prevent acupuncture piercing depth, accomplish the puncture back again, the needle that is detained can be through the automatic release of spring, the effectual sharp thorn that has protected the pjncture needle point risk.

Drawings

FIG. 1 is a schematic structural view of the anti-needle-prick low-thrombus indwelling needle of the device of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a cross-sectional view of the anti-needle puncture device of the anti-needle puncture low thrombus indwelling needle of the utility model;

FIG. 4 is a cross-sectional view of the infusion device of the low thrombus indwelling needle for preventing acupuncture of the device of the present invention;

FIG. 5 is a cross-sectional view of the thrombectomy device of the anti-needling low-thrombus indwelling needle of the present invention;

FIG. 6 is a cross-sectional view of the needle-prick prevention device of the needle-prick prevention low thrombus indwelling needle after the use is completed.

In the figure, 1000 needle-prick prevention puncture device, 1100 safety seat, 1101 puncture port, 1102 transfusion port, 1103 needle withdrawal port, 1200 puncture needle, 1201 blood return groove, 1300 needle handle, 1301 hand-holding, 1302 adhesive groove, 1303 spring bayonet, 1304 clamping table, 1400 indwelling tube, 1500 sealing plug, 1600 needle-prick prevention cover, 1601 spring fixing port, 1602 clamping groove, 1700 spring, 1800 puncture needle sheath, 2000 transfusion device, 2100 first connecting tee joint, 2101 heparin port, 2102 transfusion port, 2200 fluid stop clip, 2300 transfusion catheter, 2400 transfusion protective cap, 3100 2500 protective cap, 2600 transfusion catheter, 2700 second connecting tee joint, 3000 thrombectomy device, thrombectomy pot, 3101 blood inlet port, 3102 exhaust port, 3103 filter screen port, 3104 central tube, 3200 one-way valve, 3300 hemostatic clip, 3400 filter screen, 3500 thrombectomy catheter.

Detailed Description

The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, there is provided a needle-prick prevention low thrombus indwelling needle comprising a needle-prick prevention piercing unit 1000, an infusion unit 2000 and a thrombectomy unit 3000; the anti-needling puncture device 1000 is connected with an infusion device 2000, the infusion device 2000 is connected with a thrombus removal device 3000, the thrombus removal device 3000 comprises a thrombus pot 3100, a blood inlet 3101 and an exhaust port 3102 are arranged on the thrombus pot 3100, and the blood inlet 3101 is connected with the infusion device 2000.

As shown in fig. 3 and 6, in particular, the needle stick prevention penetration device 1000 includes: the safety seat 1100 is provided with a puncture port 1101, an infusion port 1102 and a needle withdrawing port 1103, a puncture needle 1200 and an indwelling tube 1400 are arranged in the puncture port 1101, the tail end of the puncture needle 1200 is provided with a needle handle 1300, the needle handle 1300 is clamped and installed in the needle withdrawing port 1103, the needle withdrawing port 1103 is provided with a needle prick prevention cover 1600, and the tail end of the needle handle 1300 is connected with the needle prick prevention cover 1600; the infusion port 1102 is connected to the infusion set 2000.

The needle handle 1300 is provided with a hand grip 1301, an adhesive groove 1302, a spring bayonet 1303 and a clamping table 1304, wherein the clamping table 1304 is mounted on a needle withdrawing port 1103 of the safety seat 1100, and a spring 1700 is mounted in the spring bayonet 1303; the puncture needle 1200 is sleeved with a puncture needle sheath 1800, the end part of the puncture needle 1200 is provided with a blood return groove 1201, a sealing plug 1500 is arranged in the safety seat 1100, the puncture needle 1200 penetrates through the sealing plug 1500 to be fixed on a spring 1700, and the tail end of the spring 1700 is connected with the puncture-proof cover 1600.

Preferably, a spring fixing port 1601 and a clamping slot 1602 are arranged on the anti-acupuncture cover 1600 and are respectively used for fixing the spring 1700 and the puncture needle 1200. The engaging force range of the engaging platform 1304 engaging with the needle withdrawing port 1103 of the safety seat 1100 is 15N to 30N. The elastic force of the spring 1700 ranges from 8N to 15N.

When the puncture needle is used, the clamping table 1304 leaves the needle withdrawing opening of the safety seat 1100, the compressed spring 1700 is released, the puncture-proof cover 1600 is sprung out, the puncture-proof cover 1600 moves towards the needle point direction of the puncture needle 1200, and the clamping groove 1602 is clamped at the blood return groove 1201 part of the puncture needle 1200, so that the puncture-proof cover 1600 cannot move up and down any more, and the puncture needle 1200 is protected.

The infusion device 2000 includes: the first connecting tee 2100 is provided with a heparin port 2101, an infusion port 2102 and an infusion injection port 2600;

as shown in fig. 4, a second connecting tee 2700 is connected to the infusion injection port 2600, a port of the second connecting tee 2700 is connected to the infusion port 1102 through an infusion conduit 2300, and a liquid stop clip 2200 is mounted on the infusion conduit 2300; the other port is connected with a thrombectomy device 3000;

a heparin protective cap 2500 is arranged on the heparin port 2101;

an infusion cap 2400 is mounted on the infusion port 2102.

As shown in fig. 5, the thrombectomy apparatus 3000 comprises: a blood pot 3100 with a blood inlet 3101, an exhaust 3102 and a central tube 3104;

wherein the blood inlet 3101 is connected with the infusion device 2000 through a thrombus catheter 3500, and a hemostatic clamp 3300 is arranged on the thrombus catheter 3500;

a one-way valve 3200 is installed on the exhaust port 3102, a filter screen port 3103 is arranged at the tail end of the one-way valve 3200, and a filter screen 3400 is installed in the filter screen port 3103;

the central tube 3104 is disposed in the center of the blood pot 3100, and a gap is provided between the end of the central tube 3104 and the bottom of the blood pot 3100.

When transfusion is performed again, the thrombus pot 3100 is squeezed first, gas in the thrombus pot 3100 is discharged to the outside from the exhaust port 3102, and after the gas is loosened, the external gas cannot enter the thrombus pot 3100 under the action of the one-way valve 3200, so that the inside of the thrombus pot 3100 is filled with negative pressure;

the utility model provides a working process includes following step:

1) Closing the hemostatic clamp 3300, connecting the infusion port 2102 to an infusion apparatus, opening the liquid stopping clamp, and exhausting gas in the infusion catheter 2300, the infusion catheter 2600 and the puncture needle 1200;

2) Removing the puncture needle sheath 1800, holding the hand 1301 of the needle handle 1300 by hand, and puncturing the puncture needle 1200 and the indwelling tube 1400 coated outside the puncture needle into the vein of the human body;

3) When the puncture needle 1200 is inserted into a blood vessel, it is observed that blood in the blood vessel flows into the safety seat 1100 from the blood return groove of the puncture needle 1200;

4) Fixing the safety seat 1100, pulling the handle 1301 of the needle handle 1300 to drive the puncture needle bonded on the needle handle 1300 to leave the safety seat;

5) The needle handle 1300 clamping table 1304 leaves the needle withdrawing port of the safety seat 1100, the compression spring 1700 is released at the moment, the anti-acupuncture cover 1600 is ejected by the spring, the anti-acupuncture cover 1600 moves towards the needle point direction of the puncture needle 1200, and the clamping groove 1602 is clamped at the blood return groove 1201 part of the puncture needle 1200, so that the anti-acupuncture cover 1600 cannot move up and down any more, and the effect of protecting the puncture needle 1200 is achieved;

6) Opening the infusion apparatus for liquid medicine infusion, closing the liquid stopping clamp 2200 after the liquid medicine infusion is finished, covering the infusion protective cap 2400, opening the heparin protective cap 2500, connecting the heparin syringe with the heparin port 2101, opening the liquid stopping clamp 2200, pushing heparin to fill the infusion catheter 2600, the infusion catheter 2300 and the indwelling tube 1400, closing the liquid stopping clamp 2200, and covering the heparin protective cap 2500;

7) When transfusion is carried out again in the next day, the thrombus pot 3100 is squeezed first, gas in the thrombus pot is discharged from the exhaust port to the outside, the central tube 3104 stops squeezing to the center and is loosened, and the external gas cannot enter the thrombus pot 3100 due to the action of the one-way valve 3200, so that the inside of the thrombus pot 3100 is filled with negative pressure;

8) Opening the hemostatic clamp 3300, opening the liquid stopping clamp 2200 again, sucking the blood clot in the liquid connecting blood vessel in the infusion catheter 2600, the infusion catheter 2300 and the indwelling tube into the blood test pot 3100 through the thrombectomy catheter 3500 by negative pressure, and closing the liquid stopping clamp 2200 and the hemostatic clamp 3300;

9) Connecting the infusion port 2102 to an infusion apparatus, opening the hemostatic clamp 3300, flushing the blood in the thrombus tube 3600 by the infused liquid medicine, and closing the hemostatic clamp 3300;

10 Open the stopcock 2200, perform infusion, repeat steps 6) through 10, perform infusion for multiple days until blood infusion is complete.

Utilize the utility model discloses the needle-prick prevention low thrombus type becomes vein and stays needle can make the inside thrombus clot of vein stay needle shift out the patient internal during infusion, has prevented that the puncture needle from hindering medical personnel and medical waste warehousing and transportation personnel.

For those skilled in the art, it is obvious that the above specific embodiments are only the preferred embodiments of the present invention, and therefore, the improvement and the change that some parts in the present invention may make are still embodied by the principle of the present invention, and the purpose of the present invention is still achieved by those skilled in the art, which all belong to the protection scope of the present invention.

Claims

1. A low thrombus remaining needle for preventing acupuncture is characterized by comprising: the anti-needle-prick type puncture device (1000) is characterized in that an infusion device (2000) is connected to the anti-needle-prick type puncture device (1000), a thrombus removing device (3000) is connected to the infusion device (2000), and blood clots are removed by the thrombus removing device (3000) through negative pressure.

2. The needle-prick prevention low-thrombus indwelling needle according to claim 1, wherein the needle-prick prevention device (1000) comprises: the safety seat (1100), a puncture opening (1101), an infusion opening (1102) and a needle withdrawing opening (1103) are arranged on the safety seat (1100), a puncture needle (1200) and an indwelling tube (1400) are arranged in the puncture opening (1101), a needle handle (1300) is installed at the tail end of the puncture needle (1200), the needle handle (1300) is clamped and installed in the needle withdrawing opening (1103), a needle-prick preventing cover (1600) is installed on the needle withdrawing opening (1103), and the tail end of the needle handle (1300) is connected with the needle-prick preventing cover (1600); the infusion port (1102) is connected with the infusion device (2000).

3. The needle-prick prevention low-thrombus indwelling needle according to claim 2, wherein the needle handle (1300) is provided with a hand-held handle (1301), an adhesive groove (1302), a spring bayonet (1303) and a clamping table (1304), the clamping table (1304) is mounted on the needle withdrawing port (1103) of the safety seat (1100), and the spring (1700) is mounted in the spring bayonet (1303);

the end part of the puncture needle (1200) is provided with a blood return groove (1201), a sealing plug (1500) is installed in the safety seat (1100), the puncture needle (1200) penetrates through the sealing plug (1500) to be fixed on a spring (1700), and the tail end of the spring (1700) is connected with the acupuncture prevention cover (1600).

4. The needle-prick preventing low-thrombus indwelling needle according to claim 3, wherein the needle-prick preventing cover (1600) is provided with a spring fixing port (1601) and a clamping slot (1602) for fixing the spring (1700) and the puncture needle (1200), respectively.

5. The anti-needle-prick low-thrombus indwelling needle according to claim 3, wherein the engaging force of the engaging table (1304) with the needle withdrawing port (1103) of the safety seat (1100) is in the range of 15N to 30N.

6. The needle-prick prevention low thrombus indwelling needle according to claim 3, wherein the spring (1700) has an elastic force ranging from 8N to 15N.

7. The needle-prick prevention low-thrombus indwelling needle according to claim 2, wherein the infusion device (2000) comprises: the device comprises a first connecting tee joint (2100), wherein a heparin port (2101), an infusion port (2102) and an infusion injection port (2600) are arranged on the first connecting tee joint (2100);

wherein a second connecting tee joint (2700) is connected to the infusion injection port (2600), one port of the second connecting tee joint (2700) is connected with the infusion port (1102) through an infusion catheter (2300), and a liquid stopping clamp (2200) is installed on the infusion catheter (2300); the other port is connected with a thrombus removal device (3000); a heparin protective cap (2500) is arranged on the heparin port (2101); an infusion protective cap (2400) is arranged on the infusion port (2102).

8. The needle-prick prevention low thrombus indwelling needle according to claim 1, wherein the thrombectomy device (3000) comprises: a blood test pot (3100) having a blood inlet (3101), an exhaust (3102) and a central tube (3104);

wherein the blood inlet (3101) is connected with the infusion device (2000) through a thrombectomy catheter (3500), and the thrombectomy catheter (3500) is provided with a hemostatic clamp (3300);

a one-way valve (3200) is installed on the exhaust port (3102), a filter screen port (3103) is arranged at the tail end of the one-way valve (3200), and a filter screen (3400) is installed in the filter screen port (3103);

the central tube (3104) is arranged in the center of the hematology pot 3 (100), and a gap is arranged between the tail end of the central tube (3104) and the bottom of the hematology pot (3100).