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CN-122006935-A - Spraying device of heparin lithium solution

CN122006935ACN 122006935 ACN122006935 ACN 122006935ACN-122006935-A

Abstract

The invention discloses a spraying device of heparin lithium solution, which comprises a shell, an air pump body, a solution box, a conveying pipe, a first one-way valve, a conveying cavity and a quantitative extraction mechanism, wherein the air pump body is fixedly connected to the middle part of the inner top wall of the shell, the solution box is fixedly connected to two side walls of the inner part of the shell and used for storing heparin lithium solution, one end of the conveying pipe is spliced with the solution box, the other end of the conveying pipe is provided with the first one-way valve, the conveying cavity is fixedly connected to the inner wall of a circular groove in the middle part of the top surface of the shell, and the conveying cavity is internally provided with the quantitative extraction mechanism. According to the invention, through the quantitative extraction mechanism, the conveying cavity and the solution box, accurate quantitative taking of the solution is realized through cooperative matching. Specifically, medical personnel can be in appointed joint inslot with blood sampling section of thick bamboo joint before the blood sampling, later through microcontroller control conveying chamber pressure release, the positioning spring drive piston piece is retracted in the conveying chamber this moment, under the directional conduction effect of first check valve, the conveyer pipe is with the accurate suction of heparin lithium solution in the solution box into the conveying intracavity to realize quantitative extraction and the spraying of solution.

Inventors

  • QI JIANZHONG
  • QI KAI

Assignees

  • 扬州美德莱医疗用品股份有限公司

Dates

Publication Date
20260512
Application Date
20260227

Claims (10)

  1. 1. A spray device for heparin lithium solution, comprising: a housing (1); the air pump body (2) is fixedly connected to the middle part of the inner top wall of the shell (1); the solution box (4) is fixedly connected to two side walls of the interior of the shell (1) and is used for storing heparin lithium solution; one end of the conveying pipe (5) is spliced with the solution box (4), and the other end of the conveying pipe is provided with a first one-way valve (6); The conveying cavity (7) is fixedly connected to the inner wall of the circular groove in the middle of the top surface of the shell (1), and a quantitative extraction mechanism is arranged in the conveying cavity (7); the rotary joint (12) is arranged at the top of the quantitative extraction mechanism; the pneumatic wheel (17) is fixedly connected to the top of the rotary joint (12), a clamping groove (18) is formed in the middle of the top surface of the pneumatic wheel, and an abutting component (21) is arranged on the inner wall of the clamping groove (18); The liquid feeding pipe (13) is inserted into the conveying cavity (7) at one end and inserted into the rotary joint (12) at the other end; one end of the air charging pipe (9) is inserted into the air pump body (2), and the other end of the air charging pipe is inserted into the sealed cavity block (27); The quantitative extraction mechanism extracts heparin lithium solution in the solution box (4) to the conveying cavity (7), the heparin lithium solution is conveyed to the spraying pipe (19) through the liquid conveying pipe (13) and the rotary joint (12), and the air flow generated by the air pump body (2) drives the pneumatic wheel (17) to drive the blood sampling pipe to rotate, so that the solution is uniformly formed into a film.
  2. 2. The heparin lithium solution spraying device according to claim 1, wherein the quantitative extraction mechanism comprises a positioning spring (8), a piston block (28) and a sliding rod (10), the piston block (28) is in sliding fit with the inner wall of the conveying cavity (7), the sliding rod (10) is fixedly connected to the middle part of the surface of the piston block (28) through embedded injection molding, the positioning spring (8) is sleeved on the outer surface of the sliding rod (10), one end of the positioning spring is fixedly connected to the inner top wall of the conveying cavity (7), the other end of the positioning spring is fixedly connected to the surface of the piston block (28), and the piston block (28) is driven to reciprocate through the expansion and contraction of the positioning spring (8), so that the accurate quantitative extraction of the heparin lithium solution is realized.
  3. 3. The heparin lithium solution spraying device according to claim 1, wherein the abutting component (21) comprises an abutting block (211) and an abutting spring (212), the abutting spring (212) is fixedly connected to the bottom wall in the circular groove of the inner wall of the clamping groove (18), the abutting block (211) is fixedly connected to the end part of the abutting spring (212) through vulcanization adhesion, and the abutting block (211) is attached to the outer wall of the blood collection tube under the action of the elastic force of the abutting spring (212) to ensure the fixation stability of the blood collection tube.
  4. 4. The heparin lithium solution spraying device according to claim 1, wherein the top of the spraying tube (19) is provided with a spreading mechanism, the spreading mechanism comprises a protection tube (29), a miniature electric push rod (33), a spreading rod (31), a collision plate (30) and an auxiliary rod (32), the protection tube (29) is fixedly connected to the axis of the top of the spraying tube (19), the miniature electric push rod (33) is fixedly connected to the inside of the protection tube (29), the spreading rod (31) is rotatably connected with the edge of the top surface of the miniature electric push rod (33), the collision plate (30) is rotatably connected with the end of the spreading rod (31), and two ends of the auxiliary rod (32) are rotatably connected with the back of the collision plate (30) and the edge of the protection tube (29) respectively, so as to adapt to the positioning of blood collection tubes with different diameters.
  5. 5. The heparin lithium solution spraying device according to claim 4, wherein the outer surface of the pneumatic wheel (17) is fixedly connected with a circular ring (11), the top of the circular ring (11) is fixedly connected with a ventilation plate (20), the top of the ventilation plate (20) is rotatably connected with a baffle cover (3) through a hinge, and the outer surface of the baffle cover (3) is provided with anti-slip stripes in an annular array at equal intervals, so as to protect the spraying pipe (19) and the pneumatic wheel (17) from pollution.
  6. 6. The heparin lithium solution spraying device according to claim 5, wherein the outer surface of the rotary joint (12) is rotationally connected with a cavity ring (14), air supply pipes (15) are inserted into two sides of the bottom of the cavity ring (14), one side of the surface of each air supply pipe (15) is in threaded connection with a pressure release valve (16), and the pressure in the conveying cavity (7) is controlled through the pressure release valve (16) to reset the quantitative extraction mechanism.
  7. 7. The heparin lithium solution spraying device according to any one of claims 1 to 6, wherein a shutter (25) is rotatably connected to the front side of the housing (1) through a hinge, a micro controller (26) is embedded in one side of the front side of the shutter (25), and the micro controller (26) is electrically connected with the air pump body (2), the micro electric push rod (33) and the pressure release valve (16) to realize cooperative control of all components.
  8. 8. The heparin lithium solution spraying device according to claim 7, wherein an observation window is integrally formed in the middle of the front surface of the solution box (4), and the observation window is made of transparent PVC material and is used for checking the balance of the heparin lithium solution in real time.
  9. 9. The heparin lithium solution spraying device according to claim 1, wherein a ventilation groove is formed in one side of the back surface of the shell (1), and a stainless steel dust screen is embedded in the ventilation groove; Connecting blocks (22) are in threaded connection with two sides of the outer surface of the shell (1), and braces (23) are fixedly connected to the bottoms of the connecting blocks (22) so that the device is convenient to carry and radiate heat.
  10. 10. The heparin lithium solution spraying device according to claim 1, wherein cushion blocks (24) are fixedly connected to four corners of the bottom surface of the shell (1) through threaded fasteners, the cushion blocks (24) are made of rubber materials, and anti-skid lines are formed in the surfaces of the cushion blocks for anti-skid and shock absorption of the device.

Description

Spraying device of heparin lithium solution Technical Field The invention relates to the technical field of heparin lithium solution spraying, in particular to a heparin lithium solution spraying device. Background The heparin lithium solution spraying is a core process of medical equipment surface anticoagulation treatment in the medical field, and is widely applied to the production and pretreatment processes of blood collection and detection related equipment such as blood collection tubes, syringes and the like. In practical application, the spraying quality of heparin lithium solution has direct influence on the subsequent medical detection result, on one hand, the accuracy of the spraying amount needs to be strictly controlled, excessive spraying can cause dilution of a blood sample, effective anticoagulation cannot be realized due to insufficient spraying, detection data can be interfered, on the other hand, the spraying uniformity directly determines the integrity of an anticoagulation film, local spraying is missing or accumulation can cause local blood coagulation, sample failure is caused, meanwhile, the spraying process needs to meet the sterile requirement, cross infection of the sample caused by equipment pollution is avoided, and biological safety is ensured. At present, manual dripping or simple spraying equipment is generally adopted in the industry for heparin lithium solution treatment, the mode has the obvious technical defects that firstly, a quantitative control mechanism is lacked, the dosage is completely judged according to experience of operators, so that the spraying quantity is large in fluctuation, the anticoagulation effect is poor in consistency, secondly, the solution is difficult to uniformly diffuse through manual operation, local accumulation or spraying dead zones are easy to occur, the film forming quality is poor, thirdly, the operation flow is complicated, the efficiency is low, the potential risk of equipment pollution exists in the manual contact process, fourthly, an automatic film forming structure is not arranged in the conventional simple spraying device, the solution is difficult to quickly and uniformly adhere after spraying, and the stability of the anticoagulation film is further influenced. Accordingly, one skilled in the art would provide a high volume, rapid cooling plastic molding apparatus that solves the problems set forth in the background. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a spraying device for heparin lithium solution. In order to achieve the above purpose, the present invention adopts the following technical scheme: A spraying device of heparin lithium solution comprises a shell; The air pump body is fixedly connected to the middle part of the inner top wall of the shell; The solution box is fixedly connected to two side walls inside the shell and is used for storing heparin lithium solution; one end of the conveying pipe is spliced with the solution box, and the other end of the conveying pipe is provided with a first one-way valve; The conveying cavity is fixedly connected to the inner wall of the circular groove in the middle of the top surface of the shell, and a quantitative extraction mechanism is arranged in the conveying cavity; the rotary joint is arranged at the top of the quantitative extraction mechanism; the pneumatic wheel is fixedly connected to the top of the rotary joint, a clamping groove is formed in the middle of the top surface of the pneumatic wheel, and an abutting component is arranged on the inner wall of the clamping groove; the liquid feeding pipe is inserted into the conveying cavity at one end and inserted into the rotary joint at the other end; One end of the air charging pipe is spliced with the air pump body, and the other end of the air charging pipe is spliced with a sealed cavity block; the quantitative extraction mechanism extracts heparin lithium solution in the solution box to the conveying cavity, the heparin lithium solution is conveyed to the spraying pipe through the liquid conveying pipe and the rotary joint, and the air flow generated by the air pump body drives the pneumatic wheel to drive the blood collection pipe to rotate, so that the solution is uniformly formed into a film. As a still further scheme of the invention, the quantitative extraction mechanism comprises a positioning spring, a piston block and a sliding rod, wherein the piston block is in sliding fit with the inner wall of the conveying cavity, the sliding rod is fixedly connected to the middle part of the surface of the piston block through embedded injection molding, the positioning spring is sleeved on the outer surface of the sliding rod, one end of the positioning spring is fixedly connected to the inner top wall of the conveying cavity, the other end of the positioning spring is fixedly connected to the surface of the piston block, and the piston block is driven to reciproc