CN211658165U

CN211658165U - Automatic hemostix of blood sampling

Info

Publication number: CN211658165U
Application number: CN201922293988.6U
Authority: CN
Inventors: 叶霖
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology; Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-13
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an automatic hemostix of blood sampling, including casing one, the interior top of casing one is provided with the fixed plate, the middle part card of fixed plate is equipped with casing two, the interior bottom of casing two is provided with the piston, the bottom of piston is provided with L shape connecting rod, the top of piston is provided with places the board, the top of placing the board is provided with the blood sampling bottle, be provided with the limiting plate between the top outside of blood sampling bottle and the inner wall of casing two, screw thread and top cap connection are passed through at the top of casing two, be provided with sealing mechanism between top cap and the casing two, the middle part card of top cap is equipped with the rubber buffer, the middle part interlude of rubber buffer is provided with the blood injection needle, the top of rubber buffer is. Has the advantages that: the utility model discloses not only can reach the effect of automatic blood sampling, but also can realize the controllable to the volume of taking a blood sample to make its blood sampling demand that satisfies patient that can be better.

Description

Automatic hemostix of blood sampling

Technical Field

The utility model relates to the technical field of medical equipment, particularly, relate to an automatic hemostix of blood sampling.

Background

With the development of medicine, people pay more and more attention to the prevention of diseases, however, people are inevitable to have illness, and when a human body is ill, blood drawing and testing are a very common examination method. Most of the existing blood sampling methods adopt a syringe to draw blood and then inject the blood into a laboratory test tube.

Patent No. cn201120372187.x discloses a disposable blood sampler safety device, which effectively solves the problems that the blood sampler in the prior art causes blood pollution and a blood sampler is pricked by a sharp instrument, but has the following problems when in use: 1. when the blood sampling tube is used for sampling blood, the blood is sampled through the negative pressure effect, but the blood sampling amount during the blood sampling can only be determined through the size of the blood sampling tube and the negative pressure in the blood sampling tube, and the blood sampling amount can not be controlled according to the use requirement, so that the blood sampling requirement of a patient can not be well met; 2. because the bottom design of heparin tube is the arc structure to lead to medical personnel to need one hand to hold the heparin tube in hand when gathering blood for patient, the acupuncture blood sampling is carried out to the other hand, the medical personnel's of being not convenient for blood sampling work goes on, thereby has reduced the work efficiency of blood sampling.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The blood collector of automatic blood sampling possesses not only can realize the accuracy controllable of the volume of taking a blood sample, but also can reduce medical personnel operating procedure and improve medical personnel's blood sampling work efficiency's advantage, and then solves the problem that can not come accurate control volume of taking a blood sample and blood sampling work efficiency hang down according to the user demand.

(II) technical scheme

For the above-mentioned accurate controllable that possesses not only can realize the volume of taking a blood sample of realizing, but also can improve medical personnel's blood sampling work efficiency's advantage, the utility model discloses a concrete technical scheme as follows:

a hemostix capable of automatically collecting blood comprises a first shell, wherein a fixed plate is arranged at the inner top of the first shell, a second shell is clamped at the middle part of the fixed plate, the top of the second shell penetrates through the first shell and extends to the upper part of the first shell, a piston is arranged at the inner bottom of the second shell, an L-shaped connecting rod is arranged at the bottom of the piston, the bottom end of the L-shaped connecting rod penetrates through the second shell and the first shell in sequence and is connected with a push plate positioned at one side of the first shell, a chute matched with the L-shaped connecting rod is formed in one side of the first shell, scale marks are arranged on two sides of the chute, a placing plate is arranged at the top of the piston, a blood collection bottle matched with the placing plate is arranged at the top of the placing plate, a limiting plate is arranged between the outer side of the top of the blood collection bottle and the inner wall of the second shell, and a, the top of casing two is passed through the screw thread and is connected with the top cap, just the top cap with be provided with sealing mechanism between the casing two, the middle part card of top cap is equipped with the rubber buffer, the middle part of rubber buffer alternates and is provided with the blood injection needle, just the bottom of blood injection needle extends to the interior top of heparin bottle, the top of rubber buffer is provided with the hose, the hose is kept away from the one end of rubber buffer is provided with the blood taking needle.

Furthermore, in order to improve the anti-skid performance of the first shell and improve the placing stability of the first shell, a rubber pad is arranged at the bottom of the first shell, and anti-skid grains are arranged at the bottom of the rubber pad.

Further, in order to improve the sealing performance between the piston and the second housing, the piston and the second housing are in interference fit.

Furthermore, in order to facilitate the medical staff to realize the alignment of the scale marks, the surface of the push plate is provided with an indication arrow matched with the scale marks.

Furthermore, in order to play a good sealing effect and guarantee the sealing performance of the second shell, the sealing mechanism comprises an annular sealing ring, a sealing groove matched with the annular sealing ring is formed in the top end of the second shell, a limiting ring matched with the annular sealing ring is arranged at the top of the annular sealing ring, a limiting groove matched with the limiting ring is formed in the outer side of the bottom of the top cover, and a plurality of springs are arranged between the inner top of the limiting groove and the limiting ring.

Further, in order to avoid the situation that the patient is pricked by the blood taking needle, the needle head sleeve is arranged on the blood taking needle, and the needle head sleeve is connected with the blood taking needle through threads.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic hemostix of blood sampling possesses following beneficial effect:

(1) the utility model discloses a push pedal, the cooperation of L shape connecting rod and piston is used, make the push pedal can control the piston motion under the effect of L shape connecting rod, thereby change two inside pressures of casing and take a blood sample, reach the effect of automatic blood sampling, in addition, use through the cooperation of scale mark and instruction arrow point, make medical personnel can come to control the volume of taking a blood sample through the displacement distance of control push pedal, reach the accurate controllable effect of volume of taking a blood sample, thereby make its blood sampling demand that satisfies patient that can be better.

(2) The utility model discloses a casing one, fixed plate, casing two, the cooperation of placing board and limiting plate are used for medical personnel can directly place the blood sampling bottle in casing two, and place it on the desk through casing one, thereby make medical personnel when gathering the blood sample for patient, need not hold the blood sampling bottle in the hand again, and the smooth of medical personnel's of being convenient for blood sampling work goes on, has improved the work efficiency of medical personnel's blood sampling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic blood sampling hemostix according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure according to A in FIG. 1;

fig. 3 is a side view of a first housing of the automatic blood sampling device according to the embodiment of the present invention.

In the figure:

1. a first shell; 2. a fixing plate; 3. a second shell; 4. a piston; 5. an L-shaped connecting rod; 6. pushing the plate; 7. a chute; 8. scale lines; 9. placing the plate; 10. a blood collection bottle; 11. a limiting plate; 12. a top cover; 13. a rubber plug; 14. a blood injection needle; 15. a hose; 16. a blood collection needle; 17. a rubber pad; 18. an arrow is indicated; 19. an annular seal ring; 20. a sealing groove; 21. a limiting ring; 22. a limiting groove; 23. a spring; 24. a needle cover.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a hemostix of automatic blood sampling.

Referring to the drawings and the detailed description, as shown in fig. 1-3, an automatic blood sampling blood collector according to an embodiment of the present invention includes a first housing 1, a fixing plate 2 is disposed on an inner top of the first housing 1, a second housing 3 is clamped in a middle of the fixing plate 2, a top of the second housing 3 penetrates the first housing 1 and extends to a top of the first housing 1, a piston 4 is disposed on an inner bottom of the second housing 3, an L-shaped connecting rod 5 is disposed on a bottom of the piston 4, a bottom end of the L-shaped connecting rod 5 penetrates the second housing 3 and the first housing 1 in sequence and is connected to a push plate 6 disposed on one side of the first housing 1, a chute 7 matched with the L-shaped connecting rod 5 is disposed on one side of the first housing 1, both sides of the chute 7 are provided with scale marks 8, the top of the piston 4 is provided with a placing plate 9, the top of the placing plate 9 is provided with a blood sampling bottle 10 matched with the placing plate, in order to improve the placing effect of the blood sampling bottle 10, the top of the placing plate 9 is provided with a placing groove matched with the blood sampling bottle 10, a limiting plate 11 is arranged between the outer side of the top of the blood sampling bottle 10 and the inner wall of the shell II 3, a plurality of through holes are formed in the limiting plate 11 and the placing plate 9 in a penetrating manner, the top of the shell II 3 is connected with a top cover 12 through threads, a sealing mechanism is arranged between the top cover 12 and the shell II 3, a rubber plug 13 is clamped in the middle of the top cover 12, a clamping groove matched with the rubber plug 13 is formed in the top of the top cover 12, a blood injection needle 14 is arranged in the middle of the rubber plug 13 in a penetrating manner, and a through hole matched with the blood injection, just the bottom of blood injection needle 14 extends to the interior top of blood bottle 10, the top of rubber buffer 13 is provided with hose 15, hose 15 keeps away from the one end of rubber buffer 13 is provided with blood taking needle 16.

By means of the above-mentioned technical scheme, through push pedal 6, the cooperation of L shape connecting rod 5 and piston 4 is used, make push pedal 6 can control the motion of piston 4 under the effect of L shape connecting rod 5, thereby change the inside pressure of two 3 inside casings and take a blood sample, and reach the effect of automatic blood sampling, in addition, use through the cooperation of scale mark 8 and instruction arrow 18, make medical personnel can come to control the volume of taking a blood sample through the displacement distance of control push pedal 6, reach the controllable effect of volume of taking a blood sample, thereby make its blood sampling demand that satisfies patient that can be better.

In one embodiment, the bottom of the first housing 1 is provided with a rubber pad 17, and the bottom of the rubber pad 17 is provided with anti-skid lines. The rubber pad 17 is matched with the anti-skid grains, so that the anti-skid performance of the first shell 1 is effectively improved, and the placement stability of the first shell 1 is further effectively improved.

In one embodiment, the piston 4 and the second housing 3 are in interference fit. By arranging the piston 4 and the second housing 3 to be in interference fit, the sealing performance between the piston 4 and the second housing 3 is improved.

In one embodiment, the surface of the push plate 6 is provided with an indication arrow 18 cooperating with the graduation marks 8. By providing the indication arrow 18, alignment of the graduation marks 8 by medical personnel is facilitated.

In one embodiment, the sealing mechanism includes an annular sealing ring 19, a sealing groove 20 matched with the annular sealing ring 19 is formed in the top end of the second housing 3, a limiting ring 21 matched with the annular sealing ring 19 is arranged at the top of the annular sealing ring 19, a limiting groove 22 matched with the limiting ring 21 is formed in the outer side of the bottom of the top cover 12, and a plurality of springs 23 are arranged between the inner top of the limiting groove 22 and the limiting ring 21. Through the use of the sealing mechanism, the sealing mechanism can play a good sealing effect, so that the sealing performance of the second shell 3 is ensured, and the smooth blood sampling work is ensured.

In one embodiment, the needle cover 24 is disposed on the lancet 16, and the needle cover 24 is connected to the lancet 16 by a screw thread. Through the use of the needle cover 24, the blood taking needle 16 can be isolated, so that the condition that a patient is pricked by the blood taking needle 16 is effectively avoided.

The working principle is as follows: when the blood sampling device is used, firstly, the top cover 12 is rotated to separate the top cover 12 from the shell II 3, then, a blood sampling bottle 10 needing to contain blood is placed in the shell II 3 and is fixed through the placing plate 9 and the limiting plate 11, after the blood sampling bottle 10 is placed, the top cover 12 is reset through threads again, the sealing of the shell II 3 is realized by matching with the use of a sealing mechanism, then, the blood injection needle 14 is inserted into the through hole in the top cover 12, the rubber plug 13 is clamped into the clamping groove to realize sealing, then, the blood sampling needle 16 can be inserted into a blood vessel of a patient and is fixed through a medical adhesive tape, finally, the push plate 6 is pushed downwards, the indication arrow 18 is moved to a designated scale position, the L-shaped connecting rod 5 drives the piston 4 to move downwards under the action of the push plate 6, and therefore the inner top of the shell II 3 forms negative pressure, make blood flow into in the bottle 10 under the effect of negative pressure, after the blood collection finishes, alright take out bottle 10 and carry out follow-up work.

To sum up, with the help of the utility model discloses an above-mentioned technical scheme, use through push pedal 6, L shape connecting rod 5 and piston 4's cooperation, make push pedal 6 can control piston 4 motion under L shape connecting rod 5's effect, thereby change two 3 inside pressures of casing and take a blood sample, reach the effect of automatic blood sampling, in addition, use through scale mark 8 and the cooperation of instructing arrow 18, make medical personnel can control the volume of taking a blood through the displacement distance of control push pedal 6, reach the controllable effect of volume of taking a blood sample, thereby make its blood sampling demand that satisfies patient that can be better.

And simultaneously, the utility model discloses a casing 1, fixed plate 2, casing two 3, place board 9 and limiting plate 11's cooperation and use for medical personnel can directly place blood sampling bottle 10 in casing two 3, and place it on the desk through casing one 1, thereby make medical personnel when gathering the blood sample for patient, need not hold blood sampling bottle 10 in hand again, the smooth of medical personnel's of being convenient for blood sampling work goes on, has improved the work efficiency of medical personnel's blood sampling.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The hemostix capable of collecting blood automatically is characterized by comprising a first shell (1), wherein a fixed plate (2) is arranged at the inner top of the first shell (1), a second shell (3) is clamped at the middle part of the fixed plate (2), the top of the second shell (3) penetrates through the first shell (1) and extends to the upper part of the first shell (1), a piston (4) is arranged at the inner bottom of the second shell (3), an L-shaped connecting rod (5) is arranged at the bottom of the piston (4), the bottom end of the L-shaped connecting rod (5) penetrates through the second shell (3) and the first shell (1) in sequence and is connected with a push plate (6) positioned on one side of the first shell (1), a sliding chute (7) matched with the L-shaped connecting rod (5) is formed in one side of the first shell (1), scale marks (8) are arranged on two sides of the sliding chute (7), a placing plate (9) is arranged at the top of the piston (4), a blood sampling bottle (10) matched with the placing plate (9) is arranged at the top of the placing plate (9), a limit plate (11) is arranged between the outer side of the top of the blood collection bottle (10) and the inner wall of the second shell (3), and the limiting plate (11) and the placing plate (9) are both provided with a plurality of through holes in a penetrating way, the top of the second shell (3) is connected with the top cover (12) through threads, and a sealing mechanism is arranged between the top cover (12) and the second shell (3), a rubber plug (13) is clamped in the middle of the top cover (12), a blood injection needle (14) is inserted in the middle of the rubber plug (13), and the bottom end of the blood injection needle (14) extends to the inner top of the blood collection bottle (10), the top of rubber buffer (13) is provided with hose (15), hose (15) are kept away from the one end of rubber buffer (13) is provided with blood taking needle (16).

2. An automatic blood sampling device according to claim 1, wherein the bottom of the first housing (1) is provided with a rubber pad (17), and the bottom of the rubber pad (17) is provided with anti-skid lines.

3. An automatic blood sampling device according to claim 1, wherein the piston (4) and the second housing (3) are in interference fit.

4. An automatic blood sampling device according to claim 1, wherein the surface of the push plate (6) is provided with an indication arrow (18) matching with the graduation mark (8).

5. The automatic blood sampling hemostix according to claim 1, wherein the sealing mechanism comprises a ring-shaped sealing ring (19), a sealing groove (20) matched with the ring-shaped sealing ring (19) is formed at the top end of the second housing (3), a limiting ring (21) matched with the ring-shaped sealing ring is arranged at the top of the ring-shaped sealing ring (19), a limiting groove (22) matched with the limiting ring (21) is formed at the outer side of the bottom of the top cover (12), and a plurality of springs (23) are arranged between the inner top of the limiting groove (22) and the limiting ring (21).

6. An automatic blood sampling device according to claim 1, wherein the needle cover (24) is disposed on the blood sampling needle (16), and the needle cover (24) is connected with the blood sampling needle (16) by screw thread.