CN212234459U

CN212234459U - Vein blood taking needle capable of being automatically recovered

Info

Publication number: CN212234459U
Application number: CN202020358999.8U
Authority: CN
Inventors: 陈志红
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-12-29
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a vein blood taking needle capable of being automatically recovered, which comprises an accommodating pipe, wherein the top end of the accommodating pipe is communicated with a sealing pipe, the inside of the accommodating pipe is communicated with a sliding pipe, the top of the sliding pipe is communicated with a steel needle, the sliding pipe and the steel needle are respectively connected with the accommodating pipe and the sealing pipe in a sliding way, the inside of the inner wall of the accommodating pipe is provided with an air pressure bin, and the two sides of the inside of the accommodating pipe and the top end of the sliding pipe are both provided with pressure guide channels; the blood can be divided into two parts by designing the shunting box arranged at the bottom of the containing pipe, the blood outlet pipes arranged at two sides of the bottom of the shunting box and the blood guide head at one end of the blood outlet pipe, so that the device can take two parts of blood at one time, and the condition that the existing venous blood taking needle can only take one part of blood is effectively avoided; install at the inside slip pipe of accomodating, atmospheric pressure storehouse and lead the pressure way and can utilize atmospheric pressure to push the inside of accomodating the pipe with the steel needle through having designed, the effectual user's of stabbing condition of having avoided.

Description

Vein blood taking needle capable of being automatically recovered

Technical Field

The utility model relates to the technical field of medical treatment, specifically be a vein blood taking needle that can retrieve automatically.

Background

A venous blood lancet is a blood lancet used for collecting blood samples during medical examination. The blood taking needle at the top end is used for puncturing a blood vessel, the tail end transparent hose is connected with the tail needle, the tail needle is wrapped by the rubber hose, the needle cap is sleeved outside the tail needle and used for puncturing a vacuum blood taking test tube, and blood is sucked into the tube by using negative pressure in the test tube.

The anti-overflow venous blood taking needle disclosed by the No. CN209252889U realizes the effect of effectively blocking blood dripping on a rubber sleeve, prevents the blood attached to the outer surface of the rubber sleeve from touching the hands and other body parts of a nursing worker, is convenient to install a needle holding cylinder on a needle seat of the venous puncture needle, has good stability and is not easy to fall off, but does not solve the problems that the existing venous blood taking needle can only take one blood sample at the same time, can only repeatedly operate by obtaining a plurality of blood samples, and can easily prick a user after the completion of blood drawing, so that the venous blood taking needle capable of automatically recycling is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vein blood taking needle that can retrieve automatically to the current vein blood taking needle that proposes in solving above-mentioned background can only take a blood sample simultaneously, need obtain many blood samples and can only repetitive operation, the user's problem is pricked easily to the syringe needle after the completion of drawing blood moreover.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a vein blood taking needle that can retrieve automatically, is including accomodating the pipe, the top intercommunication of accomodating the pipe has the sealed tube, the inside intercommunication of accomodating the pipe has the slip pipe, the top intercommunication of slip pipe has the steel needle, slip pipe and steel needle respectively with accomodating pipe and sealed tube sliding connection, the atmospheric pressure storehouse has been seted up to the inside of accomodating the inside pipe inner wall, the inside of accomodating the pipe and the both sides that are located the slip pipe top have all been seted up and have been led the pressure way, the atmospheric pressure storehouse is said with leading the pressure and is linked together, the joint has the kelly in the recess on slip pipe right side, the bottom intercommunication of accomodating the pipe has branch flow box, the both sides of branch flow box bottom all communicate there is the connecting pipe, the bottom intercommunication of connecting pipe has a blood outlet vessel, the one end intercommunication.

Preferably, the middle end on the surface of the clamping rod is sleeved with a limiting piece, the limiting piece is located inside the air pressure bin, the right side inside the air pressure bin is bonded with a sealing ring, and the sealing ring is sleeved with the clamping rod.

Preferably, a sealing sleeve is sleeved in the slide way in the sealing tube and is in sliding connection with the steel needle.

Preferably, a sealing block is bonded at the top end of the sealing tube, and a hole in the sealing block is tightly attached to the steel needle.

Preferably, the right end of the clamping rod is bolted with a pull ring, and the pull ring is made of steel.

Preferably, a handle is integrally processed on the right side of the flow distribution box, and the surface of the handle is of an anti-skidding structure.

Preferably, the bottom end of the inside of the shunting box is integrally processed with shunting blocks, and the shunting blocks are positioned between the holes at the top ends of the two connecting pipes.

Preferably, a bleeding valve is fixedly mounted on the surface of the blood outlet pipe, and the bleeding valve is mounted at one end of the blood outlet pipe close to the connecting pipe.

Compared with the prior art, the utility model provides a but vein blood taking needle of automatic recovery possesses following beneficial effect:

1. the blood can be divided into two parts by designing the shunting box arranged at the bottom of the containing pipe, the blood outlets at two sides of the bottom of the shunting box and the blood guide head at one end of the blood outlet pipe, so that the device can take two parts of blood at one time, and the situation that the existing venous blood taking needle can only take one part of blood sample at the same time and can only repeatedly operate when multiple parts of blood samples need to be obtained is effectively avoided;

2. install at the inside slip tube of accomodating, atmospheric pressure storehouse and lead the pressure way and can utilize atmospheric pressure to push the inside of accomodating the pipe with the steel needle through having designed, the effectual condition of wounding the user after the completion of drawing blood of current vein blood taking needle syringe needle has effectively been avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic partial sectional view of the storage tube of the present invention;

fig. 3 is a schematic perspective view of the diverter box of the present invention;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. receiving a tube; 2. a sealing tube; 3. a sliding tube; 4. a steel needle; 5. an air pressure bin; 6. a pressure guide channel; 7. a clamping rod; 8. a shunt box; 9. a connecting pipe; 10. discharging blood vessels; 11. a blood conduction head; 12. a limiting sheet; 13. sealing sleeves; 14. a sealing block; 15. a pull ring; 16. a handle; 17. a shunting block; 18. a bleeding valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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. 1-4, the utility model provides a technical solution: the utility model provides a vein blood taking needle that can retrieve automatically, including accomodating pipe 1, the top intercommunication of accomodating pipe 1 has sealed tube 2, the inside intercommunication of accomodating pipe 1 has sliding tube 3, sliding tube 3's top intercommunication has steel needle 4, sliding tube 3 and steel needle 4 respectively with accomodate pipe 1 and sealed tube 2 sliding connection, the inside of accomodating pipe 1 inner wall has seted up atmospheric pressure storehouse 5, accomodate pipe 1's inside and lie in the both sides on sliding tube 3 top and all seted up and lead pressure way 6, atmospheric pressure storehouse 5 and lead pressure way 6 intercommunication, the joint has kelly 7 in the recess on sliding tube 3 right side, the bottom intercommunication of accomodating pipe 1 has branch flow box 8, the both sides of branch flow box 8 bottom all communicate there is connecting pipe 9, the bottom intercommunication of connecting pipe 9 has a blood outlet pipe 10, the one end intercommunication that connecting pipe 9 was kept away from to blood outlet pipe 10 has a blood guide head 11, in order to take two blood samples.

Referring to fig. 2 and 4, in order to perform the limiting operation to prevent the gas from leaking, the middle end of the surface of the clamping rod 7 is sleeved with a limiting sheet 12, the limiting sheet 12 is located inside the gas pressure chamber 5, and the right side inside the gas pressure chamber 5 is bonded with a sealing ring, and the sealing ring is sleeved with the clamping rod 7.

Referring to fig. 2, in order to avoid the leakage of high-pressure gas, a sealing sleeve 13 is sleeved in the slide way inside the sealing tube 2, and the sealing sleeve 13 is slidably connected with the steel needle 4.

Referring to fig. 1 and 2, in order to seal the device, a sealing block 14 is adhered to the top end of the sealing tube 2, and a hole inside the sealing block 14 is closely attached to the steel needle 4.

Referring to fig. 1 and 2, in order to facilitate the recovery of the needle 4, a pull ring 15 is bolted to the right end of the clamping bar 7, and the pull ring 15 is made of steel.

Referring to fig. 1, in order to facilitate blood collection, a handle 16 is integrally formed at the right side of the distribution box 8, and the surface of the handle 16 is of an anti-slip structure.

Referring to fig. 3, in order to shunt blood, a shunting block 17 is integrally formed at the bottom end of the interior of the shunting box 8, and the shunting block 17 is located between the holes at the top ends of the two connecting pipes 9.

Referring to fig. 1, in order to control blood collection, a bleeding valve 18 is fixedly installed on the surface of the blood outlet tube 10, and the bleeding valve 18 is installed at one end of the blood outlet tube 10 close to the connection tube 9.

The working principle is as follows: blood is successively through steel needle 4, slide tube 3 and accomodate the slide of pipe 1 and get into branch flow box 8, gets into two connecting pipes 9 afterwards, and two play blood vessels 10 of rethread acquire two blood samples, and the back is accomplished in the sampling, through pulling pull ring 15 such as tweezers to drive kelly 7 and break away from slide tube 3, under the effect of the inside atmospheric pressure in atmospheric pressure storehouse 5, atmospheric pressure promotes slide tube 3 and moves down, and slide tube 3 drives steel needle 4 and moves down, thereby accomodate steel needle 4, avoid stabbing other people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vein blood taking needle capable of being automatically recovered comprises a storage tube (1), and is characterized in that: the top end of the storage pipe (1) is communicated with a sealing pipe (2), the interior of the storage pipe (1) is communicated with a sliding pipe (3), the top of the sliding pipe (3) is communicated with a steel needle (4), the sliding pipe (3) and the steel needle (4) are respectively connected with the storage pipe (1) and the sealing pipe (2) in a sliding manner, an air pressure bin (5) is arranged inside the inner wall of the storage pipe (1), pressure guide channels (6) are arranged inside the storage pipe (1) and on two sides of the top end of the sliding pipe (3), the air pressure bin (5) is communicated with the pressure guide channels (6), a clamping rod (7) is clamped in a groove on the right side of the sliding pipe (3), a shunting box (8) is communicated with the bottom end of the storage pipe (1), connecting pipes (9) are communicated with two sides of the bottom of the shunting box (8), and blood outlet pipes (10) are communicated with the bottom end of the connecting pipes (9), one end of the blood outlet pipe (10) far away from the connecting pipe (9) is communicated with a blood guiding head (11).

2. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: spacing piece (12) have been cup jointed to the middle-end on kelly (7) surface, spacing piece (12) are located the inside in atmospheric pressure storehouse (5), the inside right side bonding in atmospheric pressure storehouse (5) has the sealing washer, and the sealing washer is established with kelly (7) cover.

3. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: a sealing sleeve (13) is sleeved in the slide way inside the sealing tube (2), and the sealing sleeve (13) is connected with the steel needle (4) in a sliding mode.

4. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: the top end of the sealing tube (2) is bonded with a sealing block (14), and a hole in the sealing block (14) is tightly attached to the steel needle (4).

5. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: the right end of the clamping rod (7) is bolted with a pull ring (15), and the pull ring (15) is made of steel.

6. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: a handle (16) is integrally processed on the right side of the flow distribution box (8), and the surface of the handle (16) is of an anti-skidding structure.

7. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: the bottom end of the inside of the shunting box (8) is integrally processed with shunting blocks (17), and the shunting blocks (17) are positioned between holes at the top ends of the two connecting pipes (9).

8. An automatically retractable intravenous blood lancet as claimed in claim 1, wherein: a bleeding valve (18) is fixedly arranged on the surface of the blood outlet pipe (10), and the bleeding valve (18) is arranged at one end of the blood outlet pipe (10) close to the connecting pipe (9).