CN215017506U

CN215017506U - Safety blood taking needle

Info

Publication number: CN215017506U
Application number: CN202120634885.6U
Authority: CN
Inventors: 罗颖华
Original assignee: Peoples Hospital of Guangxi Zhuang Autonomous Region
Current assignee: Peoples Hospital of Guangxi Zhuang Autonomous Region
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-07
Anticipated expiration: 2031-03-29

Abstract

The safety blood collection needle includes a venipuncture needle, a blood transfusion hose, a sampling needle and a first protective sleeve. The two ends of the blood transfusion hose are respectively connected with the venipuncture needle and the sampling needle; The handle is fixed and connected, the side of the needle handle is provided with a wing plate, the wing plate is provided with a chute along the length direction of the needle tip, the first protective cover is provided with a slider, the slider can be slidably inserted into the chute, and after the first protective cover slides , the first protective sleeve can be sleeved on the first needle tip. The first protective cover is slidably arranged on the wing plate, so that the injection operation can be performed without pulling out the needle cap, avoiding being stabbed when returning the needle cap, and saving the auxiliary time of the injection operation.

Description

Safety blood taking needle

Technical Field

The utility model relates to a device of blood sampling particularly, relates to a safe type blood sampling needle.

Background

In clinical treatment and outpatient examination, a large number of venous blood samples are collected every day for various examinations.

Disposable safety blood taking needles are important instruments for collecting blood samples in the medical examination process, and the basic structure of the existing safety blood taking needles is as follows: including bottle plug pjncture needle and protective sheath, safe type blood sampling syringe needle and protective sheath, hose, the one end of hose links to each other with the bottle plug pjncture needle, and the other end of hose links to each other with safe type blood sampling syringe needle, and safe type blood sampling syringe needle still includes syringe needle portion and pterygoid lamina portion, and above-mentioned bottle plug pjncture needle and safe type blood sampling syringe needle all establish the cylindric protective sheath of being connected with their card formula outward. The protective sheath of safe type blood sampling syringe needle is a drum rather than the card formula is connected basically, before the blood sampling, takes off the protective sheath, and after the blood sampling, the syringe needle exposes, when nurse handles last pipe blood sampling test tube, very easily takes place the acupuncture and hinders, and this not only brings the injury for the person of taking a blood sample, easily causes the propagation of disease moreover.

Therefore, the safe blood taking needle is designed, and disease transmission caused by needle stick injury is effectively avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a safe type blood taking needle, effectively avoid hindering the disease propagation who brings because of the acupuncture.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the safety blood taking needle comprises a venipuncture needle head, a blood transfusion hose, a sampling needle head and a first protective sleeve, wherein two ends of the blood transfusion hose are respectively communicated with the venipuncture needle head and the sampling needle head; the vein puncture needle head is composed of a first needle point at the upper part and a needle handle at the lower part which are fixedly communicated, a wing plate is arranged on the side face of the needle handle, a sliding groove is formed in the length direction of the needle point, a sliding block is arranged on a first protective cover, the sliding block is slidably inserted into the sliding groove, and the first protective cover can be sleeved on the first needle point after sliding.

As a further improvement of the above technical solution:

one end of the first protective sleeve is open, the other end of the first protective sleeve is provided with a sealing cover, and the sealing cover is provided with a self-sealing port capable of elastically self-sealing; the first protective sleeve is internally disconnected by the opening end to form a gap, the sliding block is arranged in the gap, and two sides of the sliding block are fixedly connected with two sides of the gap respectively. The self-sealing opening which can be elastically self-sealed is convenient for effectively protecting the needle head. The first protection sleeve is firmly connected with the wing plate and is not easy to fall off.

Furthermore, a spring is arranged in the sliding groove, one end of the spring is connected with the wing plate, the other end of the spring is connected with the sliding block, a clamping groove is formed in the side wall of the sliding groove, and the sliding block can be clamped into the clamping groove. Under the natural state of spring, first needle point cover is located it with first sheath in, improves the security. While saving the ancillary time of the injection operation.

The sampling syringe needle is equipped with the second protective sheath, and the second protective sheath is inside cavity one end open-ended structure, and the sampling syringe needle comprises the fixed intercommunication of the supplementary hard tube on upper portion and the second needle point of lower part, and second protective sheath blind end is equipped with the through-hole, and the second protective sheath is located on the supplementary hard tube by through-hole slidable cover. Before inserting the sampling needle into the test tube, the second protective sleeve is sleeved on the test tube. Avoiding pricking the fingers of the user during the insertion of the needle into the test tube.

Furthermore, the second protective sheath is hopper-shaped, and the blind end of second protective sheath is the tip. The test tube of different specifications can be established to the cover of second protective sheath.

Furthermore, two ends of the auxiliary hard tube are provided with clamping blocks, and the second protective sleeve is blocked between the two clamping blocks. The second protective sleeve is prevented from being separated from the auxiliary hard tube.

The transfusion hose is provided with a switch for controlling the on-off of the transfusion hose.

Compared with the prior art, the utility model has the advantages that:

on the pterygoid lamina was located to first protection cover slidable, realized not needing to extract the needle cap and can carry out the injection operation, take place the acupuncture and hinder when avoiding blood sampling to end, save the assistance-time of injection operation simultaneously.

Drawings

Fig. 1 is a schematic view of a lancet structure.

Fig. 2 is an enlarged view a of fig. 1.

Fig. 3 is an enlarged view of B of fig. 1.

Fig. 4 is a schematic view of the structure of the venipuncture needle.

Fig. 5 is a schematic structural view of the first protective sheath.

Description of reference numerals:

1. a venipuncture needle; 2. a switch; 3. a blood transfusion hose; 4. a sampling needle head; 5. a first protective sheath; 6. a second protective cover; 11. a first needle tip; 12. a needle handle; 13. a wing plate; 14. a chute; 41. an auxiliary hard tube; 42. a second needle tip; 43. a clamping block; 51. a slider; 52. sealing the cover; 53. a gap; 54. a spring; 55. a clamping groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.

As shown in fig. 1 to 5, the safety blood taking needle of the present embodiment includes a venipuncture needle 1, a blood transfusion hose 3, a sampling needle 4 and a first protective sheath 5, wherein two ends of the blood transfusion hose 3 are respectively communicated with the venipuncture needle 1 and the sampling needle 4; the venipuncture needle 1 is formed by fixedly communicating a first needle point 11 at the upper part with a needle handle 12 at the lower part, a wing plate 13 is arranged on the side surface of the needle handle 12, a sliding groove 14 is arranged on the wing plate 13 along the length direction of the needle point, a sliding block 51 is arranged on the first protective cover 5, the sliding block 51 can be slidably inserted into the sliding groove 14, and after the first protective cover 5 slides, the first protective cover 5 can be sleeved on the first needle point 11. One end of the first protective sleeve 5 is open, the other end is provided with a sealing cover 52, and the sealing cover 52 is provided with a self-sealing opening capable of elastically self-sealing; the first protective sleeve 5 is internally opened by a gap 53 from the opening end, the sliding block 51 is arranged in the gap 53, and two sides of the sliding block 51 are respectively fixedly connected with two sides of the gap 53. A spring 54 is arranged in the sliding groove 14, one end of the spring 54 is connected with the wing plate (13), the other end of the spring 54 is connected with the sliding block 51, a clamping groove 55 is formed in the side wall of the sliding groove 14, and the sliding block 51 can be clamped into the clamping groove 55. The transfusion hose 3 is provided with a switch 2 for controlling the on-off of the transfusion hose 3.

Wherein, sampling syringe needle 4 is equipped with second protective sheath 6, and second protective sheath 6 is inside cavity one end open-ended structure, and sampling syringe needle 4 comprises the fixed intercommunication of the supplementary hard tube 41 on upper portion and the second needle point 42 of lower part, and second protective sheath 6 blind end is equipped with the through-hole, and second protective sheath 6 is located on supplementary hard tube 41 by through-hole slidable cover. The secondary tubing 41 is longer than the second protective sheath 6, and the second protective sheath 6 is longer than the second needle tip 42. After the second protective sleeve is sleeved on the test tube, the sampling needle head is ensured to be inserted into the test tube. The second protective sheath 6 is funnel-shaped, and the closed end of the second protective sheath 6 is a small end. Two ends of the auxiliary hard tube 41 are provided with a block 43, and the second protection sleeve 6 is blocked between the two blocks 43. The auxiliary hard tube 41 is sleeved on the blood transfusion soft tube 3 and is connected with the blood transfusion soft tube by screw thread. The sampling needle 4 is convenient to be separated from the second protective sleeve 6, and the sampling needle 4 is directly connected with the infusion tube.

For the use of this example, reference is made to the following steps:

when the blood sampling operation is performed, firstly, the first protective cover 5 is pulled to expose the first needle point 11, and the slider 51 passes through the gap and then abuts against the clamping groove 55, so that the first protective cover 5 is fixed on the needle handle 12. The venipuncture needle 1 is then inserted into a blood vessel with the aid of the wing 13. Finally, the second protective sheath 6 is sleeved on the test tube at the large end, and the second needle tip 42 is inserted into the test tube through the auxiliary hard tube 41.

After the blood collection is completed, first, the first needle tip 11 is pulled out of the blood vessel of the patient. Then, the first protection cover 5 slides under the elastic action of the spring 54, and the first protection cover 5 is sleeved on the first needle tip 11. Finally, the second needle tip 42 is pulled out of the tube. The first needle point 11 is sleeved in the first protective sleeve 5, and the second needle point 42 is sleeved in the second protective sleeve 6, so that the first needle point 11 and the second needle point 42 are prevented from stabbing skin to cause cross infection.

The safety blood taking needle is simple in structure, and each structure has a corresponding specific function.

Claims

1. A safety blood collection needle, characterized in that it comprises a venipuncture needle (1), a blood transfusion hose (3), a sampling needle (4) and a first protective sleeve (5), and the two ends of the blood transfusion hose (3) are respectively connected with The venipuncture needle (1) is communicated with the sampling needle (4); the venipuncture needle (1) is composed of a first needle tip (11) on the upper part and a needle handle (12) on the lower part in fixed communication, and the side of the needle handle (12) is provided with wings The plate (13), the wing plate (13) is provided with a chute (14) along the length of the needle tip, the first protective cover (5) is provided with a slider (51), and the slider (51) can be slidably inserted into the chute ( 14), after the first protective cover (5) slides, the first protective cover (5) can be sleeved on the first needle tip (11).

2. The safety lancet according to claim 1, wherein one end of the first protective cover (5) is open, and the other end is provided with a cover (52), and the cover (52) is provided with an elastic self-sealing The first protective cover (5) is broken from the open end to the inside with a gap (53), the slider (51) is arranged in the gap (53), and the two sides of the slider (51) are respectively connected to the gap (53) Fixed connection on both sides.

3. The safety type blood collection needle according to claim 2, wherein a spring (54) is provided in the chute (14), one end of the spring (54) is connected with the wing plate (13), and the other end is connected with the slide The block (51) is connected, the side wall of the chute (14) is provided with a clamping groove (55), and the sliding block (51) can be clamped into the clamping groove (55).

4. The safety lancet according to claim 1, characterized in that: the sampling needle (4) is provided with a second protective cover (6), and the second protective cover (6) is a hollow structure with an open end, The sampling needle (4) is composed of an upper auxiliary hard tube (41) and a lower second needle tip (42) in fixed communication, the closed end of the second protective sleeve (6) is provided with a through hole, and the second protective sleeve (6) is formed by a through hole. The hole is slidably sleeved on the auxiliary hard pipe (41).

5 . The safety type blood collection needle according to claim 4 , wherein the second protective sleeve ( 6 ) is in the shape of a funnel, and the closed end of the second protective sleeve ( 6 ) is a small end. 6 .

6. The safety blood collection needle according to claim 5, characterized in that: the two ends of the auxiliary hard tube (41) are provided with blocks (43), and the second protective cover (6) is blocked by the two blocks (43). 43) between.

7 . The safety blood collection needle according to claim 1 , wherein the blood transfusion hose ( 3 ) is provided with a switch ( 2 ) for controlling the on-off of the blood transfusion hose ( 3 ). 8 .