CN213189595U

CN213189595U - A blood collection device for hematology department

Info

Publication number: CN213189595U
Application number: CN202021557052.6U
Authority: CN
Inventors: 徐洁
Original assignee: Xinxiang Central Hospital
Current assignee: Xinxiang Central Hospital
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-14
Anticipated expiration: 2030-07-30

Abstract

A blood sampling device for hematology department comprises a bottom plate, a cylinder body, a piston, a first air suction connector, an exhaust pipe, a one-way valve, a second air suction connector, a blood drawing connector, an exhaust pipe, a blood drawing pipe, a needle head, a test tube and a placing rack; the cylinder body and the placing frame are both arranged on the bottom plate; the piston is arranged in the cylinder body in a sliding manner, and the bottom plate is provided with a driving mechanism for driving the piston to move; the first air suction connector and the exhaust pipe are arranged on the cylinder body and are communicated with the cylinder body; the second air suction joint and the blood drawing joint are both arranged on the test tube and are communicated with the inside of the test tube; the test tube is arranged on the placing rack in a sliding manner; a placing groove for embedding the test tube is arranged on the placing frame; two ends of the air exhaust pipe are respectively communicated with the first air suction joint and the second air suction joint; two ends of the blood drawing tube are respectively communicated with the blood drawing joint and the needle head. The utility model discloses a blood of drawing blood joint, drawing blood vessel and syringe needle in with the patient takes out, and the blood of taking out has directly avoided bacterial infection in entering into the test tube.

Description

Blood sampling device of hematology department

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a blood sampling device of hematology department.

Background

The hematology department is a branch of medicine that mainly treats problems of the hematopoietic system; the hematology department may also provide professional services for many hematological problems other than hematological diseases and conduct multiple technical tests.

The existing blood sampling mode for the blood medicine is generally that a blood sampling needle firstly extracts blood and then injects the blood into a test tube for preservation or inspection, so that the blood is exposed in the air, bacteria easily enter the blood, and the blood is deteriorated; and the test tube does not have a clamping device, so that the blood sampling time can be prolonged when the test tube is used.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides a blood sampling device for hematology department, which extracts the blood in the body of a patient through a blood extraction joint, a blood extraction pipe and a needle head, and the extracted blood directly enters a test tube to avoid bacterial infection; the test tube is placed on the placing frame, so that the test tube is fixed.

(II) technical scheme

The utility model provides a blood sampling device for hematology department, which comprises a bottom plate, a cylinder body, a piston, a first air suction joint, an exhaust pipe, a one-way valve, a second air suction joint, a blood drawing joint, an exhaust pipe, a blood drawing pipe, a needle head, a test tube and a placing rack;

the cylinder body and the placing frame are both arranged on the bottom plate; the piston is arranged in the cylinder body in a sliding manner, and the bottom plate is provided with a driving mechanism for driving the piston to move; the first air suction connector and the exhaust pipe are arranged on the cylinder body and are communicated with the cylinder body; the two one-way valves are respectively arranged on the first air suction joint and the second air suction joint; the second air suction joint and the blood drawing joint are both arranged on the test tube and are communicated with the inside of the test tube; the test tube is arranged on the placing rack in a sliding manner; a placing groove for embedding the test tube is arranged on the placing frame; two ends of the air exhaust pipe are respectively communicated with the first air suction joint and the second air suction joint; two ends of the blood drawing tube are respectively communicated with the blood drawing joint and the needle head.

Preferably, the bottom plate is provided with a supporting block; the driving mechanism comprises a push rod, a screw rod nut, a screw rod and a driving motor; the driving motor is arranged on the bottom plate, and the output end of the driving motor is connected with one end of the screw rod; the other end of the screw rod is rotatably arranged on the supporting block; the push rod is arranged on the supporting block in a sliding manner; two ends of the push rod are respectively connected with the piston and the screw rod nut; the screw rod nut is in threaded connection with the screw rod.

Preferably, the bottom plate is provided with a protective cover and a mobile power supply; a sliding hole is formed in the protective cover, and one end of the mobile power supply penetrates through the sliding hole and is connected with the bottom plate in a sliding mode; the mobile power supply is electrically connected with the driving mechanism.

Preferably, the protective cover is provided with a limiting mechanism; the limiting mechanism comprises a limiting frame, a supporting frame and a limiting plate; the limiting frame is arranged on the mobile power supply; the support frame is arranged on the protective cover; the limiting plate is arranged on the supporting frame in a sliding manner; the limiting frame is provided with a limiting groove for embedding the limiting plate.

Preferably, the bottom plate is provided with a storage rack; the containing frame is provided with a containing ring; the blood drawing pipe is wound on the containing ring.

Preferably, the test tube comprises a bottle stopper and a bottle body; the bottle stopper is hermetically connected with the bottle body; one end of the second air suction joint and one end of the blood drawing joint penetrate through the bottle plug and are positioned in the bottle body.

Preferably, the bottle body is provided with scale marks.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

in the utility model, the blood drawing joint, the blood drawing tube, the needle head and the test tube are disposable articles and can not be reused; firstly, placing a test tube on a placing rack, then inserting a second air suction connector and a blood drawing connector on the test tube, and then inserting a needle head on a patient; the driving mechanism is started, the driving mechanism drives the piston to move, the piston moves in the cylinder body, when air is sucked, the exhaust pipe is blocked by the one-way valve in the exhaust pipe, air cannot enter the cylinder body from the exhaust pipe, the cylinder body sucks air from the first air suction connector, the first air suction connector is connected with the second air suction connector through the exhaust pipe, so that air in the test tube is pumped out, the test tube pumps blood on a patient, and the blood flows into the test tube through the needle and the blood suction tube to be collected; after the blood is drawn, the driving mechanism is closed, the needle head is pulled out of the body of the patient, the second air suction joint and the blood drawing joint are pulled out of the test tube, the test tube is taken out of the placing frame for inspection, and the blood drawing joint, the blood drawing tube and the needle head are intensively scrapped to prevent the blood drawing joint, the blood drawing tube and the needle head from being reused and causing cross infection; when the air is exhausted, the check valve in the first air suction connector blocks the first air suction connector, and the air in the cylinder body is exhausted from the exhaust pipe; blood in a patient body is pumped out through the blood pumping joint, the blood pumping pipe and the needle head, and the pumped blood directly enters the test tube, so that bacterial infection is avoided; the test tube is placed on the placing frame, so that the test tube is fixed.

Drawings

Fig. 1 is a schematic structural view of a blood sampling device in hematology department according to the present invention.

Fig. 2 is a schematic partial structural view of a blood sampling device in hematology department according to the present invention.

Fig. 3 is a schematic structural diagram of a cylinder in a blood sampling device in the hematology department according to the present invention.

Fig. 4 is a schematic structural diagram of a limiting mechanism in a blood sampling device in the hematology department.

Fig. 5 is a schematic structural diagram of a test tube in a blood sampling device in hematology department according to the present invention.

Reference numerals: 1. a base plate; 2. a protective cover; 3. a cylinder body; 4. a piston; 5. a push rod; 6. a feed screw nut; 7. a screw rod; 8. a drive motor; 9. a support block; 10. a mobile power supply; 11. a limiting mechanism; 1101. a limiting frame; 1102. a support frame; 1103. a limiting plate; 1104. a limiting groove; 121. a first air suction connection; 122. an exhaust pipe; 131. a second suction connection; 132. a blood drawing connector; 141. an air exhaust pipe; 142. drawing a blood vessel; 15. a needle head; 16. a test tube; 161. a bottle stopper; 162. a bottle body; 17. placing a rack; 18. a storage rack; 19. a receiving ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-5, the blood sampling device of the present invention comprises a bottom plate 1, a cylinder 3, a piston 4, a first air suction connector 121, an exhaust pipe 122, a one-way valve, a second air suction connector 131, a blood suction connector 132, an air suction pipe 141, a blood suction pipe 142, a needle 15, a test tube 16 and a placing rack 17;

the cylinder body 3 and the placing rack 17 are both arranged on the bottom plate 1; the piston 4 is arranged in the cylinder 3 in a sliding way, and the bottom plate 1 is provided with a driving mechanism for driving the piston 4 to move; the first air suction joint 121 and the exhaust pipe 122 are both arranged on the cylinder 3 and communicated with the cylinder 3; two one-way valves are arranged and are respectively arranged on the first air suction connector 121 and the second air suction connector 131; the second suction connector 131 and the blood drawing connector 132 are both arranged on the test tube 16 and are communicated with the inside of the test tube 16; the test tube 16 is arranged on the placing frame 17 in a sliding mode; the placing rack 17 is provided with a placing groove for embedding the test tube 16; both ends of the exhaust pipe 141 are respectively communicated with the first air suction connector 121 and the second air suction connector 131; the blood withdrawal tube 142 communicates at its ends with the blood withdrawal fitting 132 and the needle 15, respectively.

In an alternative embodiment, the base plate 1 is provided with support blocks 9; the driving mechanism comprises a push rod 5, a screw rod nut 6, a screw rod 7 and a driving motor 8; the driving motor 8 is arranged on the bottom plate 1, and the output end of the driving motor 8 is connected with one end of the screw rod 7; the other end of the screw rod 7 is rotatably arranged on the supporting block 9; the push rod 5 is arranged on the supporting block 9 in a sliding manner; two ends of the push rod 5 are respectively connected with the piston 4 and the screw nut 6; the feed screw nut 6 is in threaded connection with the feed screw 7.

It should be noted that the driving motor 8 drives the screw rod 7 to rotate, the screw rod 7 drives the screw rod nut 6 to move, the screw rod nut 6 drives the push rod 5 to move, and the push rod 5 drives the piston 4 to move; thereby starting the operation of the piston 4.

In an alternative embodiment, the base plate 1 is provided with a protective cover 2 and a mobile power supply 10; a sliding hole is formed in the protective cover 2, and one end of the mobile power supply 10 penetrates through the sliding hole and is in sliding connection with the bottom plate 1; the mobile power source 10 is electrically connected to the driving mechanism.

The protection cover 2 can prevent a user from accidentally touching the driving mechanism to hurt the personnel; the mobile power supply 10 can be charged interchangeably, and thus can achieve a stronger cruising time.

In an alternative embodiment, the protective cover 2 is provided with a limiting mechanism 11; the limiting mechanism 11 comprises a limiting frame 1101, a supporting frame 1102 and a limiting plate 1103; the limiting frame 1101 is arranged on the mobile power supply 10; the support frame 1102 is provided on the protective cover 2; the limiting plate 1103 is slidably arranged on the support frame 1102; the position-limiting bracket 1101 is provided with a position-limiting groove 1104 for embedding the position-limiting plate 1103.

When the portable power source 10 needs to be taken out, the limiting plate 1103 is pulled upwards, so that the limiting plate 1103 is separated from the limiting groove 1104, and the portable power source 10 is pulled out; the portable power source 10 is conveniently limited.

In an alternative embodiment, the base plate 1 is provided with a storage rack 18; the containing frame 18 is provided with a containing ring 19; the blood evacuation tube 142 is wound around the receiving ring 19.

The extra extraction vessel 142 is accommodated in the accommodation ring 19, and scattering of the extra extraction vessel 142 is avoided.

In an alternative embodiment, tube 16 includes a stopper 161 and a body 162; the bottle stopper 161 is connected with the bottle body 162 in a sealing way; one end of the second suction connector 131 and one end of the blood drawing connector 132 both penetrate the bottle stopper 161 and are located in the bottle body 162.

It should be noted that the second air suction connector 131 and the blood drawing connector 132 can be inserted into the bottle stopper 161, and the bottle stopper 161 and the bottle body 162 are connected in a sealing manner, so as to draw the negative pressure.

In an alternative embodiment, the body 162 is provided with graduation marks; the scale marks can be conveniently seen and how much blood is drawn out.

In the utility model, the blood drawing joint 132, the blood drawing tube 142, the needle head 15 and the test tube 16 are disposable articles and can not be reused; firstly, the test tube 16 is placed on the placing frame 17, then the second suction connector 131 and the blood drawing connector 132 are inserted on the test tube 16, and then the needle head 15 is inserted on the patient; the driving mechanism is started, the driving mechanism drives the piston 4 to move, the piston 4 moves in the cylinder 3, when air is sucked, the exhaust pipe 122 is blocked by the one-way valve in the exhaust pipe 122, air cannot enter the cylinder 3 from the exhaust pipe 122, the cylinder 3 sucks air from the first air suction connector 121, the first air suction connector 121 is connected with the second air suction connector 131 through the suction pipe 141, so that air in the test tube 16 is sucked, the blood in the patient is sucked by the test tube 16, and the blood flows into the test tube 16 through the needle head 15 and the blood suction pipe 142 to be collected; after the blood is drawn, the driving mechanism is closed, the needle head 15 is pulled out of the body of the patient, the second suction connector 131 and the blood drawing connector 132 are pulled out of the test tube 16, the test tube 16 is taken out of the placing frame 17 for inspection, and the blood drawing connector 132, the blood drawing tube 142 and the needle head 15 are intensively scrapped to prevent the blood drawing connector 132, the blood drawing tube 142 and the needle head 15 from being reused and causing cross infection; during the exhaust, the check valve in the first intake connector 121 closes the first intake connector 121, and the gas in the cylinder 3 is discharged from the exhaust pipe 122.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A blood collection device of the Department of Hematology, characterized in that it comprises a bottom plate (1), a cylinder (3), a piston (4), a first suction joint (121), an exhaust pipe (122), a one-way valve , a second suction connector (131), a blood drawing connector (132), an air suction tube (141), a suction tube (142), a needle (15), a test tube (16) and a placement rack (17);

The cylinder body (3) and the placing rack (17) are both arranged on the base plate (1); the piston (4) is slidably arranged inside the cylinder body (3), and the base plate (1) is provided with a drive for driving the piston (4) to move mechanism; both the first suction joint (121) and the exhaust pipe (122) are arranged on the cylinder body (3) and communicate with the cylinder body (3); two check valves are provided, and the two check valves are respectively are arranged on the first suction joint (121) and the second suction joint (131); the second suction joint (131) and the blood drawing joint (132) are both arranged on the test tube (16), and are connected with the test tube (16). ) is internally communicated; the test tube (16) is slidably arranged on the placement rack (17); the placement rack (17) is provided with a placement groove for embedding the test tube (16); The connector (121) is communicated with the second suction connector (131); the two ends of the blood-drawing tube (142) are communicated with the blood-drawing connector (132) and the needle (15) respectively.

2. The blood collection device of a hematology department according to claim 1, wherein a support block (9) is provided on the bottom plate (1); the driving mechanism comprises a push rod (5), a screw nut (6), A lead screw (7) and a drive motor (8); the drive motor (8) is arranged on the base plate (1), and the output end of the drive motor (8) is connected with one end of the lead screw (7); the other end of the lead screw (7) One end is rotatably arranged on the support block (9); the push rod (5) is slidably arranged on the support block (9); the two ends of the push rod (5) are respectively connected with the piston (4) and the screw nut (6); The rod nut (6) is threadedly connected with the lead screw (7).

3. The blood collection device of a hematology department according to claim 1, wherein a protective cover (2) and a mobile power supply (10) are provided on the bottom plate (1); a sliding hole is provided on the protective cover (2) One end of the mobile power supply (10) penetrates the sliding hole and is slidably connected with the bottom plate (1); the mobile power supply (10) is electrically connected with the driving mechanism.

4 . The blood collection device of a hematology department according to claim 3 , wherein a limiting mechanism ( 11 ) is provided on the protective cover ( 2 ); the limiting mechanism ( 11 ) comprises a limiting frame ( 1101 ), a support frame (1102) and limit plate (1103); the limit frame (1101) is arranged on the mobile power supply (10); the support frame (1102) is arranged on the protective cover (2); the limit plate (1103) is slidably arranged on On the supporting frame (1102); the limiting frame (1101) is provided with a limiting groove (1104) for embedding the limiting plate (1103).

5 . The blood collection device of claim 1 , wherein a storage rack ( 18 ) is arranged on the bottom plate ( 1 ); a storage ring ( 19 ) is arranged on the storage rack ( 18 ); (142) is wound on the receiving ring (19).

6. The blood collection device of claim 1, wherein the test tube (16) comprises a stopper (161) and a bottle body (162); the stopper (161) and the bottle body (162) are sealed Connection; one end of the second suction connector (131) and one end of the blood drawing connector (132) pass through the bottle stopper (161) and are located in the bottle body (162).

7. The blood collection device of the department of hematology according to claim 6, characterized in that a scale line is provided on the bottle body (162).