Plasma cell sampling and collecting device

Abstract

The invention provides a plasma cell sampling and collecting device, and relates to the technical field of blood sampling, the plasma cell sampling and collecting device comprises a U-shaped seat, a bottom cylinder is integrally arranged in the middle of the bottom of the U-shaped seat, and a rubber ring for sealing is fixedly arranged at the bottom of the bottom cylinder; a movable table plate is slidably arranged on the upper portion of the interior of the U-shaped base and matched with the sliding groove structure, and an L-shaped frame is fixedly arranged on the top of the movable table plate. A control grip is fixedly arranged on one side of the U-shaped seat; the device is provided with a spring clip, a rapid disinfection function is provided, an alcohol cotton sliver is clamped in the spring clip, then the spring clip is inserted into an assembly clip, a rubber ring is buckled at a sampling position, the spring clip is manually descended to a position in a bottom cylinder, then a rocker is utilized to drive a transmission cylinder to rotate, and the transmission cylinder drives a rotary sliding sleeve to rotate; therefore, the skin surface at the sampling position can be cleaned and disinfected, and the problem that an existing collecting device is inconvenient to disinfect quickly is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of blood sampling, and particularly relates to a plasma cell sampling and collection device. Background Art

[0002] Plasma cells are generally extracted from the veins of donors or specific parts of patients for different tasks as needed. Generally, extraction is carried out using a conventional graduated syringe.

[0003] The currently used collection devices have the following disadvantages: 1. When sampling with the existing collection devices, manual execution of cumbersome steps is required. First, the affected area needs to be smeared with alcohol for disinfection, and then intravenous injection is carried out. The operation is troublesome and it is not convenient to quickly disinfect and inject. 2. It is not convenient to control the insertion depth of the needle at the sampling position, and the adaptability effect is not good. 3. There is a lack of a sampling structure that is convenient for combined positioning. Summary of the Invention

[0004] In view of this, the present invention provides a plasma cell sampling and collection device, which has a spring clip made of an elastic structure and can facilitate wiping by clamping an alcohol cotton strip during the assembly process.

[0005] The present invention provides a plasma cell sampling and collection device, which specifically includes: a U-shaped seat, a bottom cylinder is integrally provided in the middle of the bottom of the U-shaped seat, and a rubber ring for sealing is fixedly provided at the bottom of the bottom cylinder; a moving table board is slidably arranged inside the U-shaped seat in cooperation with a chute structure, and an L-shaped frame is fixedly provided at the top of the moving table board; a control grip is fixedly provided on one side of the U-shaped seat, and a test tube seat is also fixedly provided below the outside of the control grip, and a sampling test tube is inserted into the test tube seat in a fitting manner; an extraction piston, a sliding cylinder is integrally arranged outside the extraction piston, the sliding cylinder slides outside the control grip, and a scale is arranged outside the extraction piston.

[0006] Optionally, spring locks are slidably arranged above the inner walls on both sides of the U-shaped seat; four self-locking blocks are fixedly provided at the bottom of the moving table board, and the spring locks can form a self-locking combination with the self-locking blocks.

[0007] Optionally, a needle-passing hole is formed in the moving table board; a transmission cylinder is integrally arranged above the moving table board, a rotating sliding sleeve is rotatably arranged in the transmission cylinder in cooperation with a bearing, a hexagonal sliding rod is slidably arranged in the rotating sliding sleeve, a pressing piece is rotatably arranged at the top of the hexagonal sliding rod; a spring is also sleeved above the outside of the hexagonal sliding rod; a rocker is rotatably arranged on one side of the top of the moving table board, and the rocker is connected to the rotating sliding sleeve by a bevel gear transmission.

[0008] Optionally, an assembly clip is fixedly arranged at the bottom end of the hexagonal slide bar, a spring clip is clamped at the bottom of the assembly clip, and an alcohol cotton strip is clamped inside the spring clip.

[0009] Optionally, two groups of vertical guide rods are fixedly arranged on both sides of the L-shaped frame, and a limit lead screw is rotatably arranged at the position between the two groups of vertical guide rods; a limit block and an assembly needle holder are slidably arranged outside the two groups of vertical guide rods, the limit lead screw is threadedly connected with the limit block, and the assembly needle holder does not contact the limit lead screw; a fixator is connected to the top of the assembly needle holder; a replaceable sampling needle is connected to the bottom of the assembly needle holder through a threaded sleeve, and the sampling needle is aligned with the needle insertion hole.

[0010] Optionally, a rubber layer for increasing friction is arranged at the position where the assembly needle holder contacts the vertical guide rod, and it will not slide off automatically when the assembly needle holder does not bear external force.

[0011] Optionally, a docking plug is integrally arranged at the bottom end of the extraction piston, a one-way valve A is connected at the position above the docking plug, and a one-way valve B is connected at the bottom of the docking plug; a breathing tube penetrating through the docking plug is also arranged in the middle of the docking plug; the docking plug can be clamped at the top of the sampling test tube.

[0012] Optionally, a PVC steel wire hose is arranged outside the one-way valve A and is connected to one side of the fixator and communicated with the needle insertion hole.

[0013] The beneficial effects are as follows: 1. The present invention is provided with a spring clip, which provides a quick disinfection function. The alcohol cotton strip is clamped in the spring clip, then the spring clip is inserted into the assembly clip, and then the rubber ring is buckled at the sampling position. Manually lower the spring clip to the position inside the bottom cylinder, and then drive the transmission cylinder to rotate by using the rocker. The transmission cylinder drives the rotating sliding sleeve to rotate, and then drives the spring clip to rotate, so as to clean and disinfect the skin surface at the sampling position.

[0014] 2. By setting the limit block, the needle insertion depth can be controlled. Rotate the limit lead screw to drive the limit block to move, thereby adjusting the movable range of the restricted assembly needle holder. Then manually press the fixator to insert the sampling needle to the sampling depth, and insert the needle tip of the sampling needle to the blood sampling position, which can avoid the needle insertion position being too deep and can perform auxiliary positioning.

[0015] 3. By setting the extraction piston, the sample can be quickly input into the sampling test tube. Manually stretch the extraction piston to generate negative pressure, suck the blood through the one-way valve A into the extraction piston, and then pass through the one-way valve B and input it into the sampling test tube. The excess air in the sampling test tube automatically discharges through the breathing tube, and the gas balance can be automatically maintained. Brief Description of the Drawings

[0016] Figure 1 The three-dimensional structural schematic diagram showing the disinfection state of the embodiment in the present invention; Figure 2 Shows the axonometric structure diagram of the embodiment in the present invention; Figure 1 of the axonometric structure diagram; Figure 3 Shows the side elevation structure diagram of the embodiment in the present invention; Figure 1 of the side elevation structure diagram; Figure 4 Shows the side view structure diagram of the embodiment in the present invention; Figure 1 of the side view structure diagram; Figure 5 Shows the three - dimensional structure diagram of the sampling state of the embodiment in the present invention; Figure 6 Shows the embodiment in the present invention Figure 5 of the side elevation structure diagram; Figure 7 Shows the three - dimensional structure diagram of the extraction piston of the embodiment in the present invention; Figure 8 Shows the side elevation structure diagram of the extraction piston of the embodiment in the present invention.

[0017] List of reference numerals 1, U - shaped seat; 101, bottom cylinder; 102, rubber ring; 103, spring lock; 2, moving platen; 201, self - locking block; 202, needle - passing hole; 203, transmission cylinder; 204, rotating sliding sleeve; 205, hexagonal sliding rod; 206, pressing piece; 207, assembly clamp; 208, spring clamp; 3, L - shaped frame; 301, vertical guide rod; 302, limit screw rod; 303, limit block; 304, assembly needle holder; 305, fixer; 306, sampling needle; 4, control grip; 401, test tube seat; 5, sampling test tube; 6, extraction piston; 601, sliding cylinder; 602, docking plug; 603, check valve A; 604, check valve B; 605, breathing tube. Detailed implementation manners

[0018] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention.

[0019] Embodiment 1: Please refer to the accompanying drawings in the specification, Figures 1 to 8 as shown: The present invention provides a plasma cell sampling and collection device, comprising: a U-shaped seat 1, a bottom cylinder 101 is integrally arranged in the middle of the bottom of the U-shaped seat 1, and a rubber ring 102 for sealing is fixedly arranged at the bottom of the bottom cylinder 101; a moving platen 2 is slidably arranged above the inside of the U-shaped seat 1 in cooperation with a chute structure, and an L-shaped frame 3 is fixedly arranged on the top of the moving platen 2; a control grip 4 is fixedly arranged on one side of the U-shaped seat 1, and a test tube holder 401 is also fixedly arranged below the outside of the control grip 4, and a sampling test tube 5 is fittingly inserted in the test tube holder 401; a drawing piston 6, a sliding cylinder 601 is integrally arranged outside the drawing piston 6, the sliding cylinder 601 slides outside the control grip 4, and a scale is arranged outside the drawing piston 6.

[0020] Wherein, spring locks 103 are slidably arranged above the inner walls on both sides of the U-shaped seat 1; four self-locking blocks 201 are fixedly arranged at the bottom of the moving platen 2, and the spring locks 103 can form a self-locking combination with the self-locking blocks 201.

[0021] Wherein, a needle-passing hole 202 is formed in the moving platen 2; a transmission cylinder 203 is integrally arranged above the moving platen 2, a rotating sliding sleeve 204 is rotatably arranged in the transmission cylinder 203 in cooperation with a bearing, a hexagonal sliding rod 205 is slidably arranged in the rotating sliding sleeve 204, a pressing piece 206 is rotatably arranged at the top of the hexagonal sliding rod 205; a spring is also sleeved above the outside of the hexagonal sliding rod 205; a rocker is rotatably arranged on one side of the top of the moving platen 2, and the rocker is in a bevel gear transmission connection with the rotating sliding sleeve 204.

[0022] Wherein, an assembly clamp 207 is fixedly arranged at the bottom end of the hexagonal sliding rod 205, a spring clamp 208 is clamped at the bottom of the assembly clamp 207, and an alcohol cotton strip is clamped inside the spring clamp 208.

[0023] Wherein, two vertical guide rods 301 are fixedly arranged on both sides of the L-shaped frame 3, and a limit lead screw 302 is rotatably arranged at the middle position between the two vertical guide rods 301; a limit block 303 and an assembly needle holder 304 are slidably arranged outside the two vertical guide rods 301, the limit lead screw 302 is in threaded connection with the limit block 303, and the assembly needle holder 304 does not contact the limit lead screw 302; a fixator 305 is connected and arranged at the top of the assembly needle holder 304; a replaceable sampling needle 306 is connected and arranged at the bottom of the assembly needle holder 304 through a threaded sleeve, and the sampling needle 306 is aligned with the needle-passing hole 202.

[0024] Wherein, a rubber layer for increasing friction is arranged at the position where the assembly needle holder 304 contacts the vertical guide rod 301, and it will not slide off automatically when the assembly needle holder 304 does not bear external force.

[0025] Among them, a docking plug 602 is integrally provided at the bottom end of the extraction piston 6. A one-way valve A603 is connected and arranged above the docking plug 602, and a one-way valve B604 is connected and arranged at the bottom of the docking plug 602. A breathing tube 605 passing through the docking plug 602 is also provided in the middle of the docking plug 602. The docking plug 602 can be clamped on the top of the sampling test tube 5.

[0026] Among them, the outside of the one-way valve A603 is connected with a PVC steel wire hose on one side of the fixator 305 and communicated with the needle insertion hole 202.

[0027] As Figures 1-4 shown, the position of the device is controlled by controlling the grip 4. When in use, the alcohol cotton strip is pre-clamped in the spring clip 208, then the spring clip 208 is inserted into the assembly clip 207, and then the rubber ring 102 is buckled at the sampling position. Then, the finger presses the pressing piece 206 downward to press the pressing piece 206, so that the spring clip 208 descends to the position inside the bottom cylinder 101. Then, the rocker is used to drive the transmission cylinder 203 to rotate, the transmission cylinder 203 drives the rotating sliding sleeve 204 to rotate, and further drives the spring clip 208 to rotate, so as to clean and disinfect the skin surface.

[0028] Embodiment 2: On the basis of Embodiment 1, when switching the working mode, after releasing the pressing piece 206, the pressing piece 206 automatically resets through the spring, and then the spring clip 208 retracts to the position inside the U-shaped seat 1. Then, the moving table board 2 is pushed by one hand to move to the other side. After the moving table board 2 moves, the self-locking block 201 is used in cooperation with the spring lock 103 for self-locking, and then the position of the moving table board 2 is adjusted so that the sampling needle 306 moves and aligns to the central position of the bottom cylinder 101.

[0029] Embodiment 3: On the basis of Embodiment 1, as Figures 5-8 shown, the needle end of the sampling needle 306 is inserted into the blood drawing position, and then the extraction piston 6 is manually extended to generate negative pressure. The blood is sucked into the extraction piston 6 through the one-way valve A603 by suction, and then passes through the one-way valve B604 and is input into the sampling test tube 5. The excess air in the sampling test tube 5 automatically discharges through the breathing tube 605.

[0030] The specific usage method and function of this embodiment: In the present invention, the position of the device is controlled by controlling the grip 4. When in use, the alcohol cotton strip is pre-clamped in the spring clip 208, then the spring clip 208 is inserted into the assembly clip 207, and then the rubber ring 102 is buckled at the sampling position. Then, the finger presses the pressing piece 206 downward to press the pressing piece 206, so that the spring clip 208 descends to the position inside the bottom cylinder 101. Then, the rocker is used to drive the transmission cylinder 203 to rotate, the transmission cylinder 203 drives the rotating sliding sleeve 204 to rotate, and further drives the spring clip 208 to rotate, so as to clean and disinfect the skin surface; After releasing the pressing piece 206, the pressing piece 206 automatically resets through the spring. Then, the spring clip 208 retracts to the position inside the U-shaped seat 1. Then, push the moving table board 2 to move to the other side with one hand. After the moving table board 2 moves, use the self-locking block 201 to cooperate with the spring lock 103 for self-locking, and then adjust the position of the moving table board 2 to make the sampling needle 306 move and align to the center position of the bottom cylinder 101; Preset the insertion depth, rotate the limit lead screw 302 to drive the limit block 303 to move, and then adjust the movable range of the limit assembly needle holder 304. Then, manually press the fixator 305 to insert the sampling needle 306 to the sampling depth, insert the needle tip of the sampling needle 306 to the blood sampling position, and then manually extend the extraction piston 6 to generate negative pressure. Suck the blood through the one-way valve A 603 into the extraction piston 6, and then pass through the one-way valve B 604 and input it into the sampling test tube 5. The excess air in the sampling test tube 5 automatically discharges through the breathing tube 605; After sampling is completed, the sampling needle 306 can be removed and replaced. Remove the docking plug 602 to remove the sampling test tube 5.

Claims

1. A plasma cell sampling and collection device, characterized in that, Including: A U-shaped seat (1), a bottom cylinder (101) is integrally arranged in the middle of the bottom of the U-shaped seat (1), and a rubber ring (102) for sealing is fixedly arranged at the bottom of the bottom cylinder (101); a moving table board (2) is slidably arranged inside the U-shaped seat (1) above in cooperation with a chute structure, and an L-shaped frame (3) is fixedly arranged on the top of the moving table board (2); a control grip (4) is fixedly arranged on one side of the U-shaped seat (1), and a test tube holder (401) is also fixedly arranged below the outside of the control grip (4), and a sampling test tube (5) is fittingly inserted into the test tube holder (401); a drawing piston (6), a sliding cylinder (601) is integrally arranged outside the drawing piston (6), the sliding cylinder (601) slides outside the control grip (4), and a scale is arranged outside the drawing piston (6).

2. The plasma cell sampling and collection device according to claim 1, characterized in that, Spring locks (103) are slidably arranged above the inner walls on both sides of the U-shaped seat (1); four self-locking blocks (201) are fixedly arranged at the bottom of the moving table board (2), and the spring locks (103) can form a self-locking combination with the self-locking blocks (201).

3. The plasma cell sampling and collection device according to claim 1, wherein A needle-passing hole (202) is formed in the moving table board (2); a transmission cylinder (203) is integrally arranged above the moving table board (2), a rotating sliding sleeve (204) is rotatably arranged inside the transmission cylinder (203) in cooperation with a bearing, a hexagonal sliding rod (205) is slidably arranged inside the rotating sliding sleeve (204), a pressing piece (206) is rotatably arranged at the top of the hexagonal sliding rod (205); a spring is also sleeved above the outside of the hexagonal sliding rod (205); a rocker is rotatably arranged on one side of the top of the moving table board (2), and the rocker is in a bevel gear transmission connection with the rotating sliding sleeve (204).

4. The plasma cell sampling and collection device according to claim 3, characterized in that, The bottom end of the hexagonal sliding rod (205) is fixedly provided with an assembly clip (207), a spring clip (208) is clamped at the bottom of the assembly clip (207), and an alcohol cotton strip is clamped inside the spring clip (208).

5. The plasma cell sampling and collection device according to claim 1, wherein Two vertical guide rods (301) are fixedly arranged on both sides of the L-shaped frame (3), and a limiting lead screw (302) is rotatably arranged at the middle position between the two vertical guide rods (301); a limiting block (303) and an assembly needle holder (304) are slidably arranged outside the two vertical guide rods (301), the limiting lead screw (302) is in threaded connection with the limiting block (303), and the assembly needle holder (304) does not contact the limiting lead screw (302); a fixator (305) is connected and arranged at the top of the assembly needle holder (304); a replaceable sampling needle (306) is connected and arranged at the bottom of the assembly needle holder (304) through a threaded sleeve, and the sampling needle (306) is aligned with the needle-passing hole (202).

6. The plasma cell sampling and collection device according to claim 5, wherein A rubber layer for increasing friction is arranged at the position where the assembly needle holder (304) contacts the vertical guide rod (301), and it will not slide off automatically when the assembly needle holder (304) is not under external force.

7. The plasma cell sampling and collection device according to claim 1, wherein, The bottom end of the extraction piston (6) is integrally provided with a docking plug (602). Above the docking plug (602), a one-way valve A (603) is connected and arranged. At the bottom of the docking plug (602), a one-way valve B (604) is connected and arranged. A breathing tube (605) passing through the docking plug (602) is also arranged in the middle of the docking plug (602). The docking plug (602) can be clamped on the top of the sampling test tube (5).

8. The plasma cell sampling and collection device according to claim 7, wherein The outside of the one-way valve A (603) is connected with a PVC steel wire hose on one side of the fixator (305) and communicated with the needle-passing hole (202).

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