CN214681802U - High-precision quantitative micro blood sampling pipette - Google Patents
High-precision quantitative micro blood sampling pipette Download PDFInfo
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- CN214681802U CN214681802U CN202022498152.2U CN202022498152U CN214681802U CN 214681802 U CN214681802 U CN 214681802U CN 202022498152 U CN202022498152 U CN 202022498152U CN 214681802 U CN214681802 U CN 214681802U
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Abstract
The utility model discloses a high accuracy ration micro blood sampling pipette, its technical scheme is: including a pipe body, the body top is equipped with the operation sleeve pipe, airtight chamber has been seted up to the operation sleeve pipe bottom, the inside in airtight chamber is gone into in the grafting of body top, the top in airtight chamber is equipped with the activity piece, the inner wall laminating in activity piece top and airtight chamber, the inside transmission chamber of having seted up in operation sleeve pipe top, the beneficial effects of the utility model are that: through setting up the operation sleeve pipe on the top of body, when absorbing blood, only need press down the button earlier, stretch into the heparin tube with the body bottom inside, loosen and press down the button, during the activity piece rebound, the inside negative pressure of body makes the body carry out stable absorption with blood, and the body can be according to the accurate quantitative blood of absorption of the inside volume of airtight chamber, and the handheld operation sleeve pipe of staff operates for move liquid easy operation convenience to blood.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to high accuracy ration micro blood sampling pipette.
Background
Micro blood collection tubes and pipettes are common tools used in medical departments such as hospitals to analyze blood. The micro blood collection tube is made of a glass tube with a small inner diameter and two open ends, and is communicated with the glass tube, one end of the micro blood collection tube is contacted with blood to be collected when the blood is collected, and the blood to be collected automatically enters the interior of the micro blood collection tube by utilizing the capillary principle. When blood is collected inside the blood collection tube and sent to the test, the blood in the blood collection tube needs to be sucked and moved out of the test tube by using the blood collection pipette for detection.
The pipette among the prior art generally is only an solitary glass pipe, needs the manual work to use the gasbag to exhaust the air in the glass pipe, makes its inside negative pressure that produces, then is absorbing the inside blood of blood sampling pipe, and not only complex operation is difficult to carry out accurate ration moreover and absorbs blood.
Therefore, it is necessary to provide a high-precision quantitative micro blood sampling pipette.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a high accuracy ration micro blood sampling pipette, set up operating sleeve through the top at the body, when absorbing blood, only need press the button down earlier, stretch into the heparin tube with the body bottom inside, loosen and press the button down, during movable piece rebound, the inside negative pressure of body makes the body carry out stable absorption with blood, the body can be according to the accurate quantitative blood of absorption of the volume of airtight intracavity portion, the handheld operating sleeve of staff operates, make the liquid-transfering easy operation convenience to blood, absorb blood complex operation with the pipette of solving among the prior art, the problem of low accuracy.
In order to achieve the above object, the present invention provides the following technical solutions: a high-precision quantitative micro blood sampling pipette comprises a tube body, wherein an operation sleeve is arranged at the top end of the tube body, an airtight cavity is formed in the bottom end of the operation sleeve, the top end of the tube body is inserted into the airtight cavity, a movable sheet is arranged at the top of the airtight cavity, and the top end of the movable sheet is attached to the inner wall of the airtight cavity;
the top end of the operating sleeve is internally provided with a transmission cavity, the top end of the movable sheet is fixedly connected with a slide rod, the top end of the slide rod extends into the transmission cavity, the top end of the slide rod is fixedly connected with a top plate, the top end of the top plate is attached to the inner wall of the top of the transmission cavity, the inner wall of the bottom end of the transmission cavity is fixedly connected with a fixing ring, a spring is arranged between the top plate and the fixing ring, the spring is movably sleeved on the outer side of the slide rod, the inner wall of the bottom end of the transmission cavity is fixedly provided with a sealing ring, the sealing ring is attached to the outer wall of the slide rod, the top end of the top plate is fixedly connected with a connecting rod, and the top end of the connecting rod extends out of the operating sleeve;
the bottom end of the movable sheet is fixedly provided with a rubber soft pad, and the bottom end of the movable sheet is fixedly connected with a convex column;
the fixed retainer plate that has cup jointed at body top, operation sleeve pipe is equipped with installation mechanism, installation mechanism includes the inserted block, operation sleeve pipe bottom and inserted block fixed connection, inserted block quantity is established to two, two inserted block symmetric distribution is in operation sleeve pipe's bottom both sides, the slot has been seted up on the retainer plate top, the slot inboard and inserted block interference fit.
Preferably, the installation mechanism comprises two buckles, the bottom end of the operation sleeve is fixedly connected with the two buckles, and the two buckles are symmetrically distributed on two sides of the bottom end of the operation sleeve.
Preferably, the clamping groove is formed in each of two sides of the top end of the fixing ring, and the buckle is fixedly clamped with the inner side of the clamping groove.
Preferably, a stop block is fixedly arranged on one side of the top end of the operating sleeve.
Preferably, an anti-slip pad is fixedly bonded on the outer wall of one side of the operating sleeve, the anti-slip pad is arranged below the stop block, and the anti-slip pad is made of rubber materials.
Preferably, the outer wall of the pipe body is provided with scale marks.
Preferably, the inner wall of the bottom end of the operating sleeve is fixedly provided with a sealing sleeve, the inner wall of the sealing sleeve is attached to the outer wall of the tube body, and the movable piece is arranged right above the tube body.
Preferably, the top end of the connecting rod is fixedly connected with a press button.
The utility model has the advantages that:
1. the utility model discloses a set up the operation sleeve pipe on the top of body, when absorbing blood, only need press the push button downwards earlier, stretch into the inside of heparin tube with the body bottom, loosen and press the button, when the movable sheet moved up, the inside negative pressure of body made the body carry out stable absorption with blood, the body can be according to the accurate quantitative blood of absorption of the volume in airtight chamber, the staff handheld operation sleeve pipe operates, make the liquid-transfering operation to blood simple and convenient;
2. the utility model discloses a set up the retainer plate at the top of body, set up the buckle in operation sleeve's bottom to set up the draw-in groove at the top of retainer plate, the buckle joint advances inside the draw-in groove, can be with the accurate stable installation of operation sleeve on the body.
Drawings
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a front cross-sectional view provided by the present invention;
fig. 3 is a schematic view of the overall structure of the movable plate provided by the present invention;
fig. 4 is an enlarged view of a point a in fig. 2 according to the present invention;
fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention;
fig. 6 is a cross-sectional view provided in example 2 of the present invention;
fig. 7 is an enlarged view of the position C in fig. 6 according to the present invention.
In the figure: the device comprises a pipe body 1, an operation sleeve 2, an airtight cavity 3, a movable piece 4, a transmission cavity 5, a sliding rod 6, a top piece 7, a fixed ring 8, a spring 9, a sealing ring 10, a connecting rod 11, a rubber cushion 12, a convex column 13, a fixed ring 14, an insertion block 15, an insertion slot 16, a buckle 17, a clamping slot 18, a stop block 19, an antiskid pad 20, scale marks 21, a sealing sleeve 22 and a push button 23.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
a transmission cavity 5 is formed in the top end of the operation sleeve 2, a slide rod 6 is fixedly connected to the top end of the movable sheet 4, the top end of the slide rod 6 extends into the transmission cavity 5, a top sheet 7 is fixedly connected to the top end of the slide rod 6, the top end of the top sheet 7 is attached to the inner wall of the top of the transmission cavity 5, a fixing ring 8 is fixedly connected to the inner wall of the bottom end of the transmission cavity 5, a spring 9 is arranged between the top sheet 7 and the fixing ring 8, the spring 9 is movably sleeved on the outer side of the slide rod 6, a sealing ring 10 is fixedly arranged on the inner wall of the bottom end of the transmission cavity 5, the sealing ring 10 is attached to the outer wall of the slide rod 6, a connecting rod 11 is fixedly connected to the top end of the top sheet 7, and the top end of the connecting rod 11 extends out of the operation sleeve 2;
the bottom end of the movable sheet 4 is fixedly provided with a rubber cushion 12, and the bottom end of the movable sheet 4 is fixedly connected with a convex column 13;
the top of the pipe body 1 is fixedly sleeved with a fixed ring 14, the operating sleeve 2 is provided with an installation mechanism, the installation mechanism comprises two insertion blocks 15, the bottom end of the operating sleeve 2 is fixedly connected with the insertion blocks 15, the number of the insertion blocks 15 is two, the two insertion blocks 15 are symmetrically distributed on two sides of the bottom end of the operating sleeve 2, the top end of the fixed ring 14 is provided with a slot 16, and the inner side of the slot 16 is in interference fit with the insertion blocks 15;
furthermore, a stop block 19 is fixedly arranged on one side of the top end of the operating sleeve 2;
furthermore, an anti-slip pad 20 is fixedly bonded to the outer wall of one side of the operating sleeve 2, the anti-slip pad 20 is arranged below the stop block 19, and the anti-slip pad 20 is made of rubber materials;
furthermore, the outer wall of the pipe body 1 is provided with scale marks 21;
furthermore, a sealing sleeve 22 is fixedly mounted on the inner wall of the bottom end of the operating sleeve 2, the inner wall of the sealing sleeve 22 is attached to the outer wall of the tube body 1, and the movable piece 4 is arranged right above the tube body 1;
further, a press button 23 is fixedly connected to the top end of the connecting rod 11.
The utility model discloses a use as follows: by arranging the operation sleeve 2 at the top end of the tube body 1, the bottom end of the operation sleeve 2 is provided with the airtight cavity 3, the tube body 1 is inserted in the airtight cavity 3, the airtight cavity 3 is internally provided with the sealing sleeve 22 which is attached to the outer wall of the tube body 1, so that air suction and exhaust can only be carried out through the tube body 1 in the airtight cavity 3, when blood is sucked, the push-down button 23 is pressed downwards, the push-down button 23 pushes the connecting rod 11 and the sliding rod 6 to move downwards, the connecting rod 11 drives the top plate 7 to move downwards in the transmission cavity 5 and compress the spring 9, the sliding rod 6 pushes the movable plate 4 to move downwards, the movable plate 4 moves to the bottom of the airtight cavity 3 and enables the bottom end of the movable plate 4 to be attached to the top end of the tube body 1, at the moment, air in the tube body 1 is emptied, the bottom end of the tube body 1 is inserted into the blood collection tube, the push-down button 23 is released, at the moment, the spring 9 pushes the top plate 7 upwards and drives the sliding rod 6 and the movable plate 4 to move upwards, when the movable plate 4 upwards removed, the inside negative pressure of body 1 makes body 1 carry out stable absorption with blood, when movable plate 4 rose to the top in airtight chamber 3, body 1 can be according to the accurate quantitative blood of absorption of the inside volume in airtight chamber 3, the volume of absorbing blood is observed to the operating personnel of being convenient for through scale mark 21, set up dog 19 and slipmat 20 on operation sleeve pipe 2, make things convenient for the handheld operation sleeve pipe 2 of staff to operate, make the liquid-transfering operation simple and convenient to blood, set up retainer plate 14 through the top at body 1, inside the fixed slot 16 that advances of pegging graft through inserted block 15 in operation sleeve pipe 2 bottom, can install operation sleeve pipe 2 on body 1.
Furthermore, clamping grooves 18 are formed in two sides of the top end of the fixing ring 14, and the buckles 17 are fixedly clamped with the inner sides of the clamping grooves 18.
The utility model discloses a use as follows: by arranging the operation sleeve 2 at the top end of the tube body 1, the bottom end of the operation sleeve 2 is provided with the airtight cavity 3, the tube body 1 is inserted in the airtight cavity 3, the airtight cavity 3 is internally provided with the sealing sleeve 22 which is attached to the outer wall of the tube body 1, so that air suction and exhaust can only be carried out through the tube body 1 in the airtight cavity 3, when blood is sucked, the push-down button 23 is pressed downwards, the push-down button 23 pushes the connecting rod 11 and the sliding rod 6 to move downwards, the connecting rod 11 drives the top plate 7 to move downwards in the transmission cavity 5 and compress the spring 9, the sliding rod 6 pushes the movable plate 4 to move downwards, the movable plate 4 moves to the bottom of the airtight cavity 3 and enables the bottom end of the movable plate 4 to be attached to the top end of the tube body 1, at the moment, air in the tube body 1 is emptied, the bottom end of the tube body 1 is inserted into the blood collection tube, the push-down button 23 is released, at the moment, the spring 9 pushes the top plate 7 upwards and drives the sliding rod 6 and the movable plate 4 to move upwards, when the movable plate 4 upwards removed, the inside negative pressure of body 1 makes body 1 carry out stable absorption with blood, when movable plate 4 rose to the top in airtight chamber 3, body 1 can be according to the accurate quantitative blood of absorption of the inside volume in airtight chamber 3, the volume of absorbing blood is observed to the operating personnel of being convenient for through scale mark 21, set up dog 19 and slipmat 20 on operation sleeve 2, make things convenient for the handheld operation sleeve 2 of staff to operate, make the liquid-transfering operation simple and convenient to blood, top through at body 1 sets up retainer plate 14, bottom at operation sleeve 2 sets up buckle 17, and set up draw-in groove 18 at the top of retainer plate 14, buckle 17 joint advances inside draw-in groove 18, can be with accurate stable the installing on body 1 of operation sleeve 2.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (8)
1. The utility model provides a high accuracy ration micro-blood sampling pipette, includes body (1), its characterized in that: an operation sleeve (2) is arranged at the top end of the tube body (1), an airtight cavity (3) is formed in the bottom end of the operation sleeve (2), the top end of the tube body (1) is inserted into the airtight cavity (3), a movable sheet (4) is arranged at the top of the airtight cavity (3), and the top end of the movable sheet (4) is attached to the inner wall of the airtight cavity (3);
a transmission cavity (5) is arranged inside the top end of the operating sleeve (2), a sliding rod (6) is fixedly connected with the top end of the movable sheet (4), the top end of the sliding rod (6) extends into the transmission cavity (5), the top end of the sliding rod (6) is fixedly connected with a top plate (7), the top end of the top plate (7) is attached to the inner wall of the top of the transmission cavity (5), the inner wall of the bottom end of the transmission cavity (5) is fixedly connected with a fixing ring (8), a spring (9) is arranged between the top plate (7) and the fixing ring (8), the spring (9) is movably sleeved outside the sliding rod (6), a sealing ring (10) is fixedly arranged on the inner wall of the bottom end of the transmission cavity (5), the sealing ring (10) is attached to the outer wall of the sliding rod (6), the top end of the top plate (7) is fixedly connected with a connecting rod (11), and the top end of the connecting rod (11) extends out of the outer side of the operating sleeve (2);
the bottom end of the movable sheet (4) is fixedly provided with a rubber soft pad (12), and the bottom end of the movable sheet (4) is fixedly connected with a convex column (13);
fixed coupling in body (1) top has retainer plate (14), operation sleeve pipe (2) are equipped with installation mechanism, installation mechanism is including inserted block (15), operation sleeve pipe (2) bottom and inserted block (15) fixed connection, inserted block (15) quantity is established to two, two inserted block (15) symmetric distribution is in the bottom both sides of operation sleeve pipe (2), slot (16) have been seted up on retainer plate (14) top, slot (16) inboard and inserted block (15) interference fit.
2. A high precision quantitative micro blood collection pipette as recited in claim 1, wherein: the installation mechanism comprises buckles (17), the bottom end of the operation sleeve (2) is fixedly connected with the buckles (17), the number of the buckles (17) is two, and the buckles (17) are symmetrically distributed on two sides of the bottom end of the operation sleeve (2).
3. A high precision quantitative micro blood collection pipette as recited in claim 2, wherein: clamping grooves (18) are formed in two sides of the top end of the fixing ring (14), and the buckle (17) is fixedly clamped with the inner sides of the clamping grooves (18).
4. A high precision quantitative micro blood collection pipette as recited in claim 1, wherein: and a stop block (19) is fixedly arranged on one side of the top end of the operating sleeve (2).
5. A high precision quantitative micro blood sampling pipette as claimed in claim 4, wherein: an anti-slip pad (20) is fixedly bonded on the outer wall of one side of the operating sleeve (2), the anti-slip pad (20) is arranged below the stop block (19), and the anti-slip pad (20) is made of rubber materials.
6. A high precision quantitative micro blood collection pipette as recited in claim 1, wherein: the outer wall of the pipe body (1) is provided with scale marks (21).
7. A high precision quantitative micro blood collection pipette as recited in claim 1, wherein: the inner wall of the bottom end of the operating sleeve (2) is fixedly provided with a sealing sleeve (22), the inner wall of the sealing sleeve (22) is attached to the outer wall of the tube body (1), and the movable sheet (4) is arranged right above the tube body (1).
8. A high precision quantitative micro blood collection pipette as recited in claim 1, wherein: the top end of the connecting rod (11) is fixedly connected with a press button (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498152.2U CN214681802U (en) | 2020-11-03 | 2020-11-03 | High-precision quantitative micro blood sampling pipette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022498152.2U CN214681802U (en) | 2020-11-03 | 2020-11-03 | High-precision quantitative micro blood sampling pipette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214681802U true CN214681802U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022498152.2U Active CN214681802U (en) | 2020-11-03 | 2020-11-03 | High-precision quantitative micro blood sampling pipette |
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| Country | Link |
|---|---|
| CN (1) | CN214681802U (en) |
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2020
- 2020-11-03 CN CN202022498152.2U patent/CN214681802U/en active Active
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