CN222285478U

CN222285478U - Double safety venous blood taking needle

Info

Publication number: CN222285478U
Application number: CN202420523233.9U
Authority: CN
Inventors: 范丽娜; 姚晓芳
Original assignee: Wanrong County People's Hospital
Current assignee: Wanrong County People's Hospital
Priority date: 2024-03-18
Filing date: 2024-03-18
Publication date: 2025-01-03
Anticipated expiration: 2034-03-18

Abstract

The utility model relates to the field of medical equipment, and discloses a double-safety vein blood taking needle, which comprises a vein needle, wherein one end of the vein needle is connected with a blood taking hose in a clamping way, after vein blood taking by using the blood taking needle, medical staff can manually withdraw a binding belt positioned at a penetrating position of a binding pad respectively until the binding belt completely seals the blood taking hose, then can manually twist a threaded column along a pointer to enable the threaded column to move downwards, the screw post after moving down can compress tightly the blood sampling hose at the bottom upper surface of tight tie pad, has played the fixed action to pricking the band to this mode is after the blood taking needle uses, can carry out the shutoff to the both ends of blood sampling hose, prevents its inside remaining blood flow and flows to outside, has reduced cross infection's risk, and double safety vein blood taking needle can protect medical personnel and patient effectively in blood sampling process, prevents the unexpected injury that exposes to the outside of syringe needle and cause.

Description

Double safety venous blood taking needle

Technical Field

The utility model relates to the field of medical equipment, in particular to a double-safety intravenous blood taking needle.

Background

A venous lancet is an instrument for medical blood collection, which collects a blood sample by puncturing a vein, and is generally used in hospitals, clinics and laboratories for various blood tests such as hematology examination, biochemical tests, blood typing, and collection of a blood sample for medical purposes such as blood transfusion.

In the application number CN201620727817.3, a "venous blood taking needle" is disclosed, in which the problem that the needle holder is easy to be separated from the blood taking needle after being repeatedly operated is solved in the case that the existing blood taking needle corresponds to continuous multiple blood taking, but the venous blood taking needle in this application has no related blocking mechanism, in practice, most of the venous blood taking needles are disposable medical supplies, after the blood taking needle is used, some small amount of blood can remain in the blood taking hose, after the subsequent blood taking needle is discarded, the residual blood can flow out from the blood taking hose, cross infection is easy to occur, in addition, some potential safety hazards exist in the existing blood taking needle design, such as the needle may be accidentally exposed, and damage is caused to medical staff and patients, therefore, it is necessary to develop a safer venous blood taking needle.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a double-safety intravenous blood taking needle, which solves the problems that partial residual blood flows out and the needle is stabbed after blood taking is finished.

The double-safety intravenous blood taking needle comprises an intravenous needle head, one end of the intravenous needle head is connected with a blood taking hose in a clamping mode, safety plugging mechanisms are arranged on the outer sides of two ends of the blood taking hose, each safety plugging mechanism comprises a fixing ring, a binding belt, a tightening pad, a concave gasket and a threaded column, the binding belt is sleeved on the outer side of the blood taking hose, the fixing rings are arranged on two sides of the binding belt in a sleeved mode, the two fixing rings are arranged on the outer side of the blood taking hose in a penetrating mode, the binding belt penetrates through the tightening pad, the concave gasket is fixedly connected to the upper surface of the tightening pad, the threaded column is connected in the middle of the concave gasket in a threaded mode, and the lower end of the threaded column is arranged on the lower surface of the tightening pad in a penetrating mode;

The intravenous needle rear end is provided with prevents acupuncture mechanism, prevent acupuncture mechanism includes spacing section of thick bamboo, prevents acupuncture section of thick bamboo and skid resistant ring, spacing section of thick bamboo fixed connection is in the front end solid fixed ring outside, spacing section of thick bamboo is inside to run through and is provided with prevents acupuncture section of thick bamboo, just prevent acupuncture section of thick bamboo and spacing section of thick bamboo threaded connection, prevent acupuncture section of thick bamboo cover to establish in the intravenous needle outside.

Preferably, the blood sampling hose is provided with anti-drop mechanism in the one end outside of vein syringe needle, anti-drop mechanism includes laminating area and adhesion subsides, laminating area quantity sets up two, and two laminating area all is with blood sampling hose fixed connection.

Preferably, the lower surfaces of the two attaching belts are provided with attaching belts.

Preferably, an anti-slip ring is arranged on the outer side of the front end of the anti-needling cylinder.

Preferably, the rear end of the blood collection hose is fixedly connected with a connecting column.

Preferably, the spliced pole laminating sets up in the rear side solid fixed ring outside, spliced pole rear end embedding is provided with the annular sleeve, the inside syringe needle that is provided with of annular sleeve, built-in syringe needle front end runs through the spliced pole and with spliced pole fixed connection.

Advantageous effects

The utility model provides a double safety intravenous blood taking needle. Compared with the prior art, the method has the following beneficial effects:

1. According to the utility model, through the safety blocking mechanism, after vein blood collection by using the blood taking needle, medical staff can manually withdraw the binding belt at the penetrating position of the binding pad until the binding belt completely seals the blood taking hose, then can manually screw the threaded column along the pointer to enable the threaded column to move downwards, the downwards moved threaded column can compress the blood taking hose on the upper surface of the bottom of the binding pad, and the fixing effect is achieved on the binding belt, so that after the blood taking needle is used, both ends of the blood taking hose can be blocked, the residual blood flow in the blood taking hose is prevented from flowing out to the outside, and the risk of cross infection is reduced;

2. According to the utility model, by the aid of the anti-needling mechanism, before the blood taking needle is used, medical staff can pinch two fingers at the position of the anti-skidding ring and screw the anti-needling cylinder along the pointer, so that the anti-needling cylinder is screwed into the limiting cylinder, at the moment, the venous needle is completely exposed, after blood taking is finished, the anti-needling cylinder can be screwed anticlockwise, the anti-needling cylinder is covered at the position of the venous needle again, and accidental stabbing is prevented;

3. According to the utility model, the annular sleeve at the rear end of the blood collection hose is connected with the vacuum blood collection tube before the venous blood collection needle is used by the arranged anti-falling mechanism, and then the venous needle is penetrated into the vein position of a patient, at the moment, the lower surfaces of the two attaching belts can be attached to the skin position near the vein of the patient, and the vein needle is prevented from falling off from the vein position of the patient due to shaking of the blood collection hose in the subsequent blood collection process by adhesion and fixation.

Drawings

FIG. 1 is a schematic view showing a rear side perspective structure of a double safety intravenous blood taking needle according to the present utility model;

FIG. 2 is a schematic view showing a front side perspective structure of a double safety intravenous blood taking needle according to the present utility model;

FIG. 3 is a schematic view showing the structure of the double safety intravenous blood lancet according to the present utility model in an obliquely upward view;

Fig. 4 is an enlarged view of the double safety intravenous lancet of fig. 2 a according to the present utility model.

Legend description:

1. The vein needle head, 2, a blood sampling hose, 3, a safety blocking mechanism, 301, a fixing ring, 302, a binding belt, 303, a tightening pad, 304, a concave gasket, 305, a threaded column, 4, an anti-falling mechanism, 401, a binding belt, 402, an adhesive plaster, 5, a connecting column, 6, an anti-needling mechanism, 601, a limiting cylinder, 602, an anti-needling cylinder, 603, an anti-slip ring, 7, an annular sleeve and 8, wherein the needle head is arranged in the vein needle head.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides two technical solutions, specifically including the following embodiments:

embodiment one:

The double-safety vein blood taking needle comprises a vein needle head 1, one end of the vein needle head 1 is clamped and connected with a blood taking hose 2, the outer sides of two ends of the blood taking hose 2 are respectively provided with a safety blocking mechanism 3, the safety blocking mechanism 3 comprises a fixing ring 301, a binding band 302, a binding pad 303, a concave washer 304 and a threaded column 305, the surface of the binding band 302 is rough, the binding band 302 is sleeved outside the blood taking hose 2, the two sides of the binding band 302 are respectively provided with a fixing ring 301, the two fixing rings 301 are respectively penetrated and arranged outside the blood taking hose 2, the binding band 302 is penetrated and connected with the binding pad 303, the upper surface of the binding pad 303 is fixedly connected with the concave washer 304, the threaded column 305 is connected with the middle of the concave washer 304 in a threaded manner, the lower end of the threaded column 305 is penetrated and arranged on the lower surface of the binding pad 303, and the safety protection effect of double blocking is achieved by adopting a blocking manner to two ends of the blood taking hose 2 after vein blood taking is required to be explained.

During operation, after vein blood sampling by using the blood taking needle, medical staff can manually withdraw the binding belt 302 positioned at the penetrating position of the tightening pad 303 respectively until the binding belt 302 completely seals the blood taking hose 2, then the threaded column 305 can be manually screwed along the pointer, so that the threaded column 305 moves downwards, the blood taking hose 2 can be tightly pressed on the upper surface of the bottom of the tightening pad 303 by the downwards moved threaded column 305, the fixing effect is achieved on the binding belt 302, in this way, after the blood taking needle is used, both ends of the blood taking hose 2 can be plugged, the residual blood flow in the blood taking hose is prevented from flowing out to the outside, and the risk of cross infection is reduced.

Embodiment two:

On the basis of the first embodiment, the rear end of the intravenous needle 1 is provided with an anti-needling mechanism 6, the anti-needling mechanism 6 comprises a limiting cylinder 601, an anti-needling cylinder 602 and an anti-skid ring 603, the limiting cylinder 601 is fixedly connected to the outer side of the front end fixing ring 301, the anti-needling cylinder 602 is arranged in the limiting cylinder 601 in a penetrating manner, the anti-needling cylinder 602 is in threaded connection with the limiting cylinder 601, the anti-needling cylinder 602 is sleeved outside the intravenous needle 1, the blood collection tube 2 is provided with the anti-falling mechanism 4 at the outer side of one end of the intravenous needle 1, the anti-falling mechanism 4 comprises two attaching belts 401 and adhesive patches 402, the number of the attaching belts 401 is two, the two attaching belts 401 are fixedly connected with the blood collection tube 2, adhesive tapes are arranged on the lower surface of the attaching belts 401, the outer side of the front end of the anti-needling cylinder 602 is provided with the anti-skid ring 603, the rear end of the blood collection tube 2 is fixedly connected with a connecting post 5, the connecting post 5 is mutually communicated with the blood collection tube 2, the connecting post 5 is adhered to the outer side of the rear side fixing ring 301, the rear end of the connecting post 5 is embedded with an annular sleeve 7, a built-in needle head 8 is arranged in the annular sleeve 7, the front end of the built-in needle head 8 penetrates through the connecting post 5 and is fixedly connected with the connecting post 5, before the venous blood taking needle is used, the annular sleeve 7 at the rear end position of the blood taking hose 2 is connected with a vacuum blood taking tube in a connecting mode that the suction end of the vacuum blood taking tube is directly inserted into the annular sleeve 7, the built-in needle head 8 positioned in the annular sleeve 7 is covered by the annular sleeve 7, the built-in needle head 8 at the rear end of the blood taking needle can be prevented from being exposed, the needle is prevented from being stabbed, the lower surfaces of the two adhering belts 401 can be adhered to the skin position near the vein of the patient at the moment, the adhesion and fixation of the lower surfaces of the two adhering belts 401 are prevented from adhering and fixing through the adhering belts 402 in the subsequent blood taking process, the venous needle 1 is detached from the venous site of the patient due to shaking of the blood collection tube 2.

Before the blood taking needle is used, medical staff can pinch the anti-slip ring 603 by two fingers, screw the anti-needling cylinder 602 along the pointer, so that the anti-needling cylinder 602 is screwed into the limiting cylinder 601, the vein needle 1 is completely exposed at the moment, the position where the vein needle 1 is penetrated into a vein of a patient can not be affected, after blood taking is finished, the anti-needling cylinder 602 can be screwed anticlockwise, the anti-needling cylinder 602 is enabled to cover the position of the vein needle 1 again, and accidental stabbing is prevented.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. The double-safety vein blood taking needle comprises a vein needle head (1) and is characterized in that one end of the vein needle head (1) is connected with a blood taking hose (2) in a clamping mode, safety blocking mechanisms (3) are arranged on the outer sides of two ends of the blood taking hose (2), each safety blocking mechanism (3) comprises a fixing ring (301), a binding band (302), a binding pad (303), a concave gasket (304) and a threaded column (305), the binding band (302) is sleeved on the outer side of the blood taking hose (2), fixing rings (301) are arranged on two sides of the binding band (302) in a sleeved mode, the two fixing rings (301) are arranged on the outer side of the blood taking hose (2) in a penetrating mode, the binding band (302) penetrates through the binding pad (303), the upper surface of the binding pad (303) is fixedly connected with a concave gasket (304), the middle of the concave gasket is connected with the threaded column (305), and the lower end of the threaded column (305) penetrates through the lower surface of the binding pad (303).

The novel intravenous needle is characterized in that an anti-needling mechanism (6) is arranged at the rear end of the intravenous needle (1), the anti-needling mechanism (6) comprises a limiting cylinder (601), an anti-needling cylinder (602) and an anti-slip ring (603), the limiting cylinder (601) is fixedly connected to the outer side of the front end fixing ring (301), the anti-needling cylinder (602) is arranged inside the limiting cylinder (601) in a penetrating mode, the anti-needling cylinder (602) is in threaded connection with the limiting cylinder (601), and the anti-needling cylinder (602) is sleeved on the outer side of the intravenous needle (1).

2. The double-safety intravenous blood taking needle of claim 1, wherein the blood taking hose (2) is arranged at the outer side of one end of the intravenous needle (1) and is provided with an anti-falling mechanism (4), the anti-falling mechanism (4) comprises two attaching belts (401) and two attaching sticks (402), and the two attaching belts (401) are fixedly connected with the blood taking hose (2).

3. The double safety intravenous blood lancet according to claim 2, wherein the adhesive tapes are provided on the lower surfaces of both the adhesive tapes (401).

4. The double safety intravenous blood taking needle as claimed in claim 1, wherein an anti-slip ring (603) is arranged outside the front end of the anti-needling cylinder (602).

5. The double safety intravenous blood taking needle as claimed in claim 1, wherein the rear end of the blood taking hose (2) is fixedly connected with a connecting column (5).

6. The double safety intravenous blood taking needle according to claim 5, wherein the connecting column (5) is arranged outside the rear side fixing ring (301) in a fitting mode, an annular sleeve (7) is embedded into the rear end of the connecting column (5), a built-in needle head (8) is arranged inside the annular sleeve (7), and the front end of the built-in needle head (8) penetrates through the connecting column (5) and is fixedly connected with the connecting column (5).