Medical specimen collection device for old people

Abstract

The invention belongs to the field of medical specimen collection, and particularly relates to a medical specimen collection device for old people. Comprising a shell, and a blood sample collector is slidably connected in the shell; the fixed cylinder penetrates through and is fixedly connected to the shell; the connecting pieces are all arranged in the fixing cylinder, each connecting piece comprises a first shell arranged in the fixing cylinder, the first shell is connected with a second shell in a sealed and sliding mode, and elastic air bags distributed in a mirror image mode are arranged on the side, away from the first shell, of the second shell; and the elastic air bag is used for blocking the passage of the second shell. According to the blood sample collector, the connecting piece is additionally arranged at the blood taking needle connector of the blood sample collector, the blood taking needle connector of the blood sample collector can be quickly plugged after blood taking is completed, air is prevented from entering the blood sample collector, the probability that a blood sample in the blood sample collector is polluted is reduced, and the effectiveness of a blood sample detection result is improved.

Description

Technical Field

[0001] The invention belongs to the field of medical specimen collection, and in particular relates to a medical specimen collection device for the elderly. Background Art

[0002] The elderly need frequent medical examinations and treatments due to declining physical functions and an increase in chronic diseases. Among the many medical examinations, blood testing is one of the important means of diagnosing and monitoring the disease status of the elderly. Accurate blood sample collection is crucial for diagnosis, treatment monitoring and health management. When collecting blood samples, blood sample collectors are often used to ensure the safety of the process and the accuracy of the blood samples.

[0003] After collecting blood using a blood sample collector, it is necessary to immediately insert the needle of the blood sample collector into a sponge plug to prevent air from entering the blood sample collector and contaminating the blood sample in the blood sample collector. However, during the process from pulling the blood sample collector out of the elderly person's blood vessel to inserting the needle of the blood sample collector into the sponge plug after blood collection is completed, it cannot be guaranteed that air will not enter the blood sample collector. The air entering the blood sample collector will reduce the accuracy of the collected blood sample, thereby reducing the effectiveness of the blood sample test results. Summary of the invention

[0004] In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a medical specimen collection device for the elderly.

[0005] The technical solution of the present invention is: a medical specimen collection device for the elderly, comprising: A housing, wherein a blood sample collector is slidably connected to the housing; A fixed cylinder, which penetrates through and is fixedly connected to the outer shell, and the fixed cylinder is communicated with the interior of the outer shell; There are several connecting pieces, all of which are arranged in the fixing cylinder and used to block the blood sample collector. The connecting pieces include: The first shell is arranged in the fixed cylinder, and the first shell is sealingly and slidably connected to the second shell. A passage is commonly provided in the middle of the second shell and the middle of the first shell. A mirror-distributed elastic airbag is provided on the side of the second shell away from the first shell. The elastic airbag is connected to the second shell and is used to block the passage of the second shell.

[0006] Furthermore, the connecting piece further comprises: A plurality of L-shaped plates are fixedly connected in the first shell, and the second shell is provided with limiting holes whose number is the same as that of the L-shaped plates, and the limiting holes are used to limit the L-shaped plates.

[0007] Furthermore, a protrusion is provided on the L-shaped plate, and a groove is provided in the limiting hole, and the groove in the limiting hole is used to limit the protrusion of the L-shaped plate.

[0008] Furthermore, it also includes: A first sliding plate is slidably connected to the fixing tube, and a first elastic member is fixedly connected therebetween. The first sliding plate is used to limit the first shell. The first sliding plate passes through the outer shell and is slidably connected to the outer shell. The second sliding plate is slidably connected to the fixing tube, the second sliding plate is used to limit the first shell, and a transmission member is arranged between the second sliding plate and the first sliding plate.

[0009] Furthermore, it also includes: A first telescopic bracket is installed in the housing, and a storage platform is fixedly connected to a telescopic end of the first telescopic bracket; A first limiting rod is fixedly connected to the storage platform, and the first limiting rod is used to limit the first shell.

[0010] Furthermore, it also includes: A connecting plate is slidably connected to the storage platform, and a second elastic member is fixedly connected therebetween. A second telescopic bracket is fixedly connected to the connecting plate, and a second limiting rod is fixedly connected to the telescopic end of the second telescopic bracket. The second limiting rod is located on the moving path of the second shell, and an annular groove is provided on the second shell. The second limiting rod limits the second shell through the annular groove of the second shell; A trigger plate is slidably connected to the shell. A pull rope is fixedly connected to the trigger plate. The pull rope of the trigger plate passes through the shell and is fixedly connected to the connecting plate.

[0011] Furthermore, it also includes: A plurality of first sliding blocks, all slidably connected in the housing; The number of the second sliding blocks is the same as that of the first sliding blocks, and they are slidably connected to the adjacent first sliding blocks respectively. The first sliding block and the adjacent second sliding block are both provided with inclined surfaces, and the inclined surfaces of the first sliding block and the adjacent second sliding blocks are in contact with each other. The second sliding block is used to fix the position of the blood sample collector.

[0012] Furthermore, a rubber gasket is provided on a side of the second sliding block close to the blood sample collector, and a slope is provided on a side of the rubber gasket of the second sliding block away from the adjacent first sliding block.

[0013] Furthermore, it also includes: The number of sliding rods is the same as the number of the second sliding blocks, and they are respectively slidably connected to the adjacent second sliding blocks. All the sliding rods are slidably connected to a blocking plate. A card slot is provided on the side of the blocking plate away from the shell. The card slot of the blocking plate is used to limit the wing-shaped handle of the blood sample collector. A through hole is opened on the blocking plate, and the blood sample collector slides in the through hole of the blocking plate.

[0014] Furthermore, it also includes: A plurality of limit blocks, all fixedly connected to a side of the housing close to the blocking plate; The number of L-shaped blocks is the same as that of the limit blocks, and they are all slidably connected to the side of the blocking plate close to the shell. A third elastic member is fixed between the L-shaped block and the blocking plate, and the L-shaped block and the adjacent limit blocks limit each other.

[0015] The present invention has the following advantages: the present invention adds a connecting piece at the blood collection needle interface of the blood sample collector, and can quickly seal the blood collection needle interface of the blood sample collector after blood collection is completed, thereby preventing air from entering the blood sample collector, reducing the probability of blood sample contamination in the blood sample collector, and improving the validity of blood sample detection results. The connecting piece is limited by the fixing cylinder and the first sliding plate, and can be quickly assembled when used, thereby improving the convenience of installing the connecting piece. The blood sample collector is fixed by the second sliding block to ensure the stability of the blood sample collector during use. At the same time, the rubber gasket of the second sliding block is used to squeeze the blood sample collector, thereby protecting the blood sample collector while increasing the fixing force of the blood sample collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a three-dimensional structural schematic diagram of the fixed cylinder and the storage platform of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the connecting plate and the trigger plate of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the first sliding plate and the second sliding plate of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the first limiting rod and the second limiting rod of the present invention; Figure 6 A cross-sectional view of the first shell and the second shell of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the L-shaped plate and the limiting hole of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the first sliding block and the second sliding block of the present invention; Fig. 9An exploded view of the first sliding block, the second sliding block and the sliding rod of the present invention; Fig.10 It is a schematic diagram of the three-dimensional structure of the blocking plate and the limiting block of the present invention; Fig.11 It is a schematic diagram of the three-dimensional structure of the limit block and the L-shaped block of the present invention.

[0017] In the above drawings: 1-shell, 101-blood sample collector, 2-fixed cylinder, 3-first shell, 4-second shell, 5-elastic airbag, 6-L-shaped plate, 7-limiting hole, 8-first sliding plate, 9-second sliding plate, 10-first telescopic bracket, 11-storage table, 12-first limiting rod, 13-connecting plate, 14-second telescopic bracket, 15-second limiting rod, 16-trigger plate, 17-first sliding block, 18-second sliding block, 19-sliding rod, 20-blocking plate, 21-limiting block, 22-L-shaped block. DETAILED DESCRIPTION

[0018] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0019] Example 1: A medical specimen collection device for the elderly, see Figure 1-Figure 4 and Figure 6 , including: an outer shell 1, in which a blood sample collector 101 is slidably connected; a fixed cylinder 2, which penetrates and is fixedly connected to the outer shell 1, and the fixed cylinder 2 is communicated with the inside of the outer shell 1; a plurality of connecting members, which are all arranged in the fixed cylinder 2 and are used to block the blood sample collector 101, and the connecting members include: a first shell 3, which is arranged in the fixed cylinder 2, and the first shell 3 is sealingly and slidably connected to the second shell 4, and the middle part of the second shell 4 and the middle part of the first shell 3 are jointly provided with a passage, and a mirror-distributed elastic airbag 5 is provided on the side of the second shell 4 away from the first shell 3, and the elastic airbag 5 is communicated with the second shell 4, and the elastic airbag 5 is used to block the passage of the second shell 4.

[0020] In the above scheme, a transparent observation window is provided on the shell 1 for observing whether the blood collection by the blood sample collector 101 is completed. The blood sample collector 101 is an existing separate collector. When in use, the blood sample collector 101 needs to be assembled with the blood collection needle. The inner contour of the first shell 3 away from the second shell 4 is consistent with the inner contour of the connection between the blood collection needle and the blood sample collector 101, so that the first shell 3 can be extruded to form a sealed connection with the blood collection needle interface of the blood sample collector 101, and the outer contour of the second shell 4 away from the first shell 3 is consistent with the outer contour of the blood collection needle interface of the blood sample collector 101. The contours are consistent (there is an auxiliary connecting arc surface at the connection between the blood sample collector 101 and the blood collection needle, and the first shell 3 and the second shell 4 are respectively provided with the same arc surface), so that the second shell 4 can form a sealed connection with the blood collection needle through extrusion, and the elastic airbag 5 blocks the connection between the first shell 3 and the second shell 4 and the outside world, so that when the second shell 4 slides into the first shell 3, the gas inside the first shell 3 and the second shell 4 enters the elastic airbag 5, thereby expanding the elastic airbag 5, and the facing sides of the two elastic airbags 5 after expansion fit each other to block the passage of the second shell 4.

[0021] See also Figure 6 and Figure 7 The connecting member also includes: a plurality of L-shaped plates 6, all of which are fixedly connected to the first shell 3, and the second shell 4 is provided with limiting holes 7 with the same number as the L-shaped plates 6, the limiting holes 7 are used to limit the L-shaped plates 6, and the L-shaped plates 6 are provided with protrusions, and the limiting holes 7 are provided with grooves, and the grooves of the limiting holes 7 are used to limit the protrusions of the L-shaped plates 6.

[0022] In the above scheme, at least two L-shaped plates 6 are provided, so that when the L-shaped plate 6 is limited by the limiting hole 7, the L-shaped plate 6 can maintain the relative stability of the second shell 4 and the first shell 3, the L-shaped plate 6 is an elastic plate, and the L-shaped plate 6 is initially in a force storage state, so that when the L-shaped plate 6 is aligned with the limiting hole 7, the L-shaped plate 6 enters the limiting hole 7 under the action of its own elasticity, and the protrusion on the L-shaped plate 6 makes the connection between the L-shaped plate 6 and the limiting hole 7 in a barb shape, so that when the L-shaped plate 6 is subjected to tension after entering the limiting hole 7, the protrusion on the L-shaped plate 6 enters the groove of the limiting hole 7 to prevent the L-shaped plate 6 from separating from the limiting hole 7.

[0023] See also Figure 1-Figure 4 , and also includes: a first sliding plate 8, which is slidably connected to the fixed cylinder 2, and a first elastic member is fixedly connected therebetween, the first sliding plate 8 is used to limit the first shell 3, the first sliding plate 8 passes through the shell 1 and is slidably connected to the shell 1; a second sliding plate 9, which is slidably connected to the fixed cylinder 2, the second sliding plate 9 is used to limit the first shell 3, and a transmission member is arranged between the second sliding plate 9 and the first sliding plate 8.

[0024] In the above scheme, a sealing cover is provided on the fixed cylinder 2 for protecting the connecting member in the fixed cylinder 2. The first elastic member between the first sliding plate 8 and the fixed cylinder 2 is set as a spring for driving the first sliding plate 8 to reset. The distance between the first sliding plate 8 and the second sliding plate 9 is equal to the outer diameter of a first housing 3. The transmission member between the first sliding plate 8 and the second sliding plate 9 is set as a gear and a rack. The first sliding plate 8 and the second sliding plate 9 are fixedly connected with racks on the facing sides. A gear is rotatably connected to the fixed cylinder 2. The gear of the fixed cylinder 2 is meshed with the rack of the first sliding plate 8 and the rack of the second sliding plate 9, so that when the first sliding plate 8 moves, the second sliding plate 9 is driven to move in the opposite direction through the transmission member between it and the second sliding plate 9.

[0025] See also Figure 2 , Figure 3 and Figure 5 , and also includes: a first telescopic bracket 10, installed in the shell 1, and the telescopic end of the first telescopic bracket 10 is fixedly connected to the storage table 11; a first limiting rod 12, fixedly connected to the storage table 11, and the first limiting rod 12 is used to limit the first shell 3.

[0026] In the above scheme, the first telescopic bracket 10 is an existing elastic telescopic bracket, which is used to provide support for the storage table 11. The storage table 11 is set to be U-shaped to provide support for the first shell 3 and the second shell 4. When the first shell 3 and the second shell 4 are located on the storage table 11, the axes of the first shell 3 and the second shell 4 are collinear with the axis of the outer shell 1. The first limiting rod 12 limits the first shell 3, so that when the blood collection needle interface of the blood sample collector 101 is connected to the first shell 3, the first shell 3 remains stable.

[0027] See also Figure 2 , Figure 3 and Figure 5 , and also includes: a connecting plate 13, which is slidably connected to the storage table 11, and a second elastic member is fixedly connected therebetween, the connecting plate 13 is fixedly connected to a second telescopic bracket 14, and a second limiting rod 15 is fixedly connected to the telescopic end of the second telescopic bracket 14, the second limiting rod 15 is located on the moving path of the second shell 4, and an annular groove is provided on the second shell 4, and the second limiting rod 15 limits the second shell 4 through the annular groove of the second shell 4; a trigger plate 16, which is slidably connected to the shell 1, and the trigger plate 16 is fixedly connected to a pull rope, and the pull rope of the trigger plate 16 passes through the shell 1 and is fixedly connected to the connecting plate 13.

[0028] In the above scheme, the second elastic member between the connecting plate 13 and the storage table 11 is set as a spring, which is used to drive the connecting plate 13 to reset. The elastic coefficient of the second elastic member between the connecting plate 13 and the storage table 11 is smaller than the elastic coefficient of the first telescopic bracket 10, so that the pull rope of the connecting plate 13 drives the connecting plate 13 to compress the second elastic member of the storage table 11 to the limit, and then the storage table 11 can be driven to move downward through the connecting plate 13 and compress the telescopic end of the first telescopic bracket 10. The second telescopic bracket 14 is an existing elastic telescopic bracket. The second telescopic bracket 14 is used to support the second limit rod 15. When the second shell 4 moves in a direction close to the second limit rod 15, the arc surface on the second shell 4 squeezes the second limit rod 15, so that the telescopic end of the second telescopic bracket 14 contracts.

[0029] See also Figure 2 , Figure 8 and Fig. 9 , and also includes: a plurality of first sliding blocks 17, all of which are slidably connected to the housing 1; second sliding blocks 18, the number of which is the same as the number of the first sliding blocks 17, which are slidably connected to adjacent first sliding blocks 17, respectively, a rubber gasket is provided on the side of the second sliding block 18 close to the blood sample collector 101, and a slope is provided on the side of the rubber gasket of the second sliding block 18 away from the adjacent first sliding block 17, the first sliding block 17 and the adjacent second sliding block 18 are both provided with slopes, and the slopes of the first sliding block 17 and the adjacent second sliding blocks 18 are in contact with each other, and the second sliding block 18 is used to fix the position of the blood sample collector 101.

[0030] In the above scheme, when the second sliding block 18 slides on the first sliding block 17, the inclined surface of the second sliding block 18 and the inclined surface of the first sliding block 17 squeeze each other, so that the second sliding block 18 moves in the direction close to the inner axis of the shell 1, thereby fixing the blood sample collector 101. There are at least three first sliding blocks 17, so that the second sliding block 18 can keep the blood sample collector 101 stable when fixing the blood sample collector 101, and can make the axis of the blood sample collector 101 and the axis of the shell 1 on the same straight line. The inclined surface on the rubber gasket of the second sliding block 18 gradually increases the force applied by the rubber gasket of the second sliding block 18 to the blood sample collector 101 when the second sliding block 18 slides on the first sliding block 17.

[0031] See also Figure 8-Figure 10 , and also includes: sliding rods 19, the number of which is the same as the number of the second sliding blocks 18, which are respectively slidably connected to the adjacent second sliding blocks 18, and all the sliding rods 19 are slidably connected to a blocking plate 20, and a card slot is provided on the side of the blocking plate 20 away from the shell 1, and the card slot of the blocking plate 20 is used to limit the wing-shaped handle of the blood sample collector 101, and a through hole is opened on the blocking plate 20, and the blood sample collector 101 slides in the through hole of the blocking plate 20.

[0032] In the above scheme, the sliding rod 19 is used to drive the second sliding block 18 to move. The sliding rod 19 slides on the blocking plate 20 along the radial direction of the through hole of the blocking plate 20. At least three sliding rods 19 make the axis of the blocking plate 20 and the axis of the shell 1 on the same straight line.

[0033] When using the device to collect blood samples from the elderly, the medical staff first opens the sealing cover of the fixed cylinder 2, puts a number of connecting parts into the fixed cylinder 2, and then closes the sealing cover of the fixed cylinder 2. After the connecting parts enter the fixed cylinder 2, they slide downward along the fixed cylinder 2 under the influence of their own gravity until they are blocked by the second sliding plate 9 and stop. After closing the sealing cover of the fixed cylinder 2, the medical staff takes out a new blood sample collector 101, and pushes the blood sample collector 101 through the through hole of the blocking plate 20 into the outer shell 1 until the wing-shaped handle of the blood sample collector 101 fits with the blocking plate 20, and then adjusts the wing-shaped handle of the blood sample collector 101 so that it is aligned with the card slot of the blocking plate 20 and is stuck.

[0034] After the wing-shaped handle of the blood sample collector 101 is locked in the card slot of the blocking plate 20, the medical staff rotates counterclockwise (with Figure 1 The blocking plate 20 is rotated (taking the right view as an example). The blocking plate 20 rotates to drive the blood sample collector 101 and the sliding rod 19 (taking one of the sliding rods 19 and its related parts as an example) to rotate around the axis of the housing 1. The sliding rod 19 rotates to drive the second sliding block 18 and the rubber pad thereon to slide along the first sliding block 17, so that the second sliding block 18 moves toward the direction close to the axis of the housing 1. During this process, the sliding rod 19 and the second sliding block 18 slide relative to each other, and finally the blood sample collector 101 is fixed by the rubber pad on the second sliding block 18, and the axis of the blood sample collector 101 and the axis of the housing 1 are located on the same straight line. After the blood sample collector 101 is fixed, the blocking plate 20 is stopped from rotating, and the sliding rod 19 and the second sliding block 18 stop moving.

[0035] After fixing the blood sample collector 101, the medical staff pushes the first sliding plate 8 into the fixed cylinder 2 and compresses the first elastic member between the first sliding plate 8 and the fixed cylinder 2. The first sliding plate 8 moves through the transmission member between it and the second sliding plate 9 to drive the second sliding plate 9 to move away from the fixed cylinder 2. During this process, the first sliding plate 8 pushes the adjacent connecting member on the upper side upward and blocks the connecting member above the first sliding plate 8 until the second sliding plate 9 releases the blocking of the connecting member between it and the first sliding plate 8, so that the connecting member between the second sliding plate 9 and the first sliding plate 8 falls from the fixed cylinder 2 into the storage table 11. Then the medical staff releases the first sliding plate 8, and the first elastic member on the first sliding plate 8 is reset under the action of its own elastic force and drives the first sliding plate 8 to reset. The first sliding plate 8 is reset and drives the second sliding plate 9 to move and reset through the transmission member between it and the second sliding plate 9.

[0036] After the first sliding plate 8 and the second sliding plate 9 are reset, the medical staff pushes the blocking plate 20 to move the blocking plate 20 to the left, the blocking plate 20 drives the sliding rod 19 to move to the left, the sliding rod 19 drives the second sliding block 18 to move to the left, the second sliding block 18 drives the first sliding block 17 to move to the left, the first sliding block 17 slides along the housing 1, and while the second sliding block 18 moves, the second sliding block 18 drives the blood sample collector 101 to move to the left together through the rubber gasket thereon. During the movement of the blood sample collector 101, the blood collection needle interface of the blood sample collector 101 is The connecting piece on the holding platform 11 contacts and pushes the connecting piece on the holding platform 11 (the components of the connecting piece on the current holding platform 11 are taken as an example below) to move to the left. During this process, the second shell 4 slides along the first limiting rod 12. After the first shell 3 is blocked by the first limiting rod 12, the first shell 3 and the second shell 4 stop moving, and then the blood sample collector 101 continues to move, and the blood collection needle interface of the blood sample collector 101 enters the first shell 3, and the first shell 3 and the blood collection needle interface of the blood sample collector 101 are squeezed and sealed until the blocking plate 20 is blocked by the shell 1 and stops.

[0037] During the sliding of the second shell 4 along the first limit rod 12, the second shell 4 squeezes the second limit rod 15, causing the second limit rod 15 to move downward, and the movement of the second limit rod 15 drives the telescopic end of the second telescopic bracket 14 to be retracted, and then the second shell 4 and the second limit rod 15 slide relative to each other. After the second shell 4 stops moving, the annular groove of the second shell 4 is aligned with the second limit rod 15, and the telescopic end of the second telescopic bracket 14 extends out and drives the second limit rod 15 to move upward, so that the second limit rod 15 enters the annular groove of the second shell 4, thereby locking the position of the second shell 4. At this time, part of the second shell 4 is located outside the outer shell 1.

[0038] After the blood sample collector 101 and the second shell 4 stop moving, the medical staff takes out a new blood collection needle and puts the blood collection needle onto the part of the second shell 4 located on the outside of the outer shell 1, so that the blood collection needle and the second shell 4 are squeezed and sealed, and then the protective cover of the blood collection needle is removed to perform normal blood collection. After completing the blood collection and pulling the blood collection needle out of the patient's skin, the medical staff immediately turns the trigger plate 16 to move the trigger plate 16 to the right. The movement of the trigger plate 16 drives the connecting plate 13 to slide to the right in the storage table 11 through the pull rope thereon, and compresses the second elastic part of the connecting plate 13. The movement of the connecting plate 13 drives the second telescopic bracket 14 to move to the right, and the second telescopic bracket 14 drives the second limit rod 15 to move to the right. The second limit rod 15 drives the second shell 4 to slide into the first shell 3 through the annular groove of the second shell 4.

[0039] During the process of the second shell 4 sliding into the first shell 3, the gas in the second shell 4 and the first shell 3 is squeezed, so that the gas in the second shell 4 and the first shell 3 enters the two elastic airbags 5, thereby expanding the two elastic airbags 5. The expansion of the two elastic airbags 5 gradually blocks the passage of the second shell 4 until the limiting hole 7 is aligned with the protrusion of the L-shaped plate 6. The L-shaped plate 6 enters the limiting hole 7 under the action of its own elastic force. At this time, the second elastic part of the connecting plate 13 is compressed to the limit, and then the pull rope of the trigger plate 16 continues to pull the connecting plate 13, so that the connecting plate 13 moves downward and drives the second limiting rod 15 to move downward through the second telescopic bracket 14. The downward movement of the connecting plate 13 drives the storage table 11 to move downward, and the movement of the storage table 11 causes the telescopic end of the first telescopic bracket 10 to shrink downward.

[0040] During the downward movement of the second limiting rod 15, the second limiting rod 15 is disengaged from the annular groove of the second shell 4, and then the second shell 4 moves toward the outside of the first shell 3 under the action of the gas pressure inside the second limiting rod 15 and the first shell 3. The movement of the second shell 4 causes the protrusion on the L-shaped plate 6 to enter the groove of the limiting hole 7, thereby locking the position of the second shell 4 relative to the first shell 3, so that the passage of the elastic airbag 5 to the second shell 4 is always in a blocked state, preventing air from entering the blood sample collector 101 and contaminating the blood sample in the blood sample collector 101.

[0041] After the second limiting rod 15 moves downward and away from the second housing 4, the medical staff moves clockwise (with Figure 1 (Taking the right view as an example), the blocking plate 20 is rotated. The blocking plate 20 rotates and drives the second sliding block 18 to slide on the first sliding block 17 through the sliding rod 19. During this process, the sliding rod 19 and the second sliding block 18 slide relative to each other, and finally the second sliding block 18 releases the fixation of the blood sample collector 101. Then the medical staff can take the blood sample collector 101 out of the housing 1 through the wing-shaped handle of the blood sample collector 101, and the blood sample collector 101 drives the connecting piece at the blood collection needle interface to be moved out together.

[0042] After the blood sample collector 101 is taken out, the trigger plate 16 can be released. The trigger plate 16 releases the tension on the connecting plate 13 through the pull rope thereon, so that the pressure of the connecting plate 13 on the second elastic member thereon and the pressure on the telescopic end of the first telescopic bracket 10 through the storage table 11 are released. Thereafter, the second elastic member on the connecting plate 13 is reset under the action of its own elastic force and drives the connecting plate 13 to reset. At the same time, the telescopic end of the first telescopic bracket 10 is extended and reset under the action of its own elastic force. Finally, the connecting plate 13 is reset and drives the trigger plate 16 to reset through the pull rope thereon. After the storage table 11 and its parts are away from the connecting parts of the blood sample collector 101, they are moved out to prevent the connecting parts of the blood sample collector 101 from contaminating the storage table 11 and its parts, thereby damaging subsequent blood specimens.

[0043] After the trigger plate 16 is reset, the blocking plate 20 can be pulled to the right to move and reset. The blocking plate 20 moves through the sliding rod 19 to drive the second sliding block 18 to reset. The reset of the second sliding block 18 drives the first sliding block 17 to move and reset. Then the above operation can be repeated to continue blood sample collection.

[0044] Example 2: Based on Example 1, please refer to Figure 1 , Fig.10 and Fig.11 , and also includes: a plurality of limit blocks 21, all of which are fixedly connected to one side of the shell 1 close to the blocking plate 20; L-shaped blocks 22, the number of which is the same as the number of the limit blocks 21, and are all slidably connected to one side of the blocking plate 20 close to the shell 1, and a third elastic member is fixedly connected between the L-shaped block 22 and the blocking plate 20, and the L-shaped block 22 and the adjacent limit blocks 21 limit each other.

[0045] In the above scheme, all the limit blocks 21 and all the L-shaped blocks 22 are initially in a staggered state, and an inclined surface is provided on the limit block 21. When the L-shaped block 22 is aligned with the limit block 21 and the L-shaped block 22 moves toward the direction close to the limit block 21, the L-shaped block 22 is blocked by the inclined surface of the limit block 21, so that the L-shaped block 22 slides relatively along the inclined surface of the limit block 21. At least two limit blocks 21 are provided, so that the limit blocks 21 and the L-shaped blocks 22 limit each other and maintain the stability of the blocking plate 20. The third elastic member between the L-shaped block 22 and the blocking plate 20 is provided as a spring, which is used to drive the L-shaped block 22 to reset.

[0046] When the blocking plate 20 is rotated so that the rubber pad on the second sliding block 18 fixes the blood sample collector 101, the L-shaped block 22 will move with the blocking plate 20 to a state where it is aligned with the limit block 21. When the blocking plate 20 is pushed to the left, the blocking plate 20 drives the L-shaped block 22 to move to the left together. When the L-shaped block 22 contacts the limit block 21, the L-shaped block 22 is squeezed by the inclined surface of the limit block 21, so that the L-shaped block 22 moves to the left (by the left side) along the blocking plate 20. Fig.11 When the L-shaped block 22 is out of contact with the inclined surface of the limiting block 21, the third elastic member on the L-shaped block 22 moves to the right (with the front view as an example) under the action of its own elastic force. Fig.11 The limiting block 21 is located between the L-shaped block 22 and the blocking plate 20, so that the limiting block 21 locks the blocking plate 20 through the L-shaped block 22, thereby locking the blood sample collector 101, thereby improving the stability of the blood sample collector 101 during the blood collection process.

[0047] After completing the blood collection, the blocking plate 20 is rotated to release the second sliding block 18 from fixing the blood sample collector 101. At the same time, the blocking plate 20 drives the L-shaped block 22 to move, so that the L-shaped block 22 and the limit block 21 are misaligned. At this time, the blocking plate 20 can be moved to the right normally, so that the second sliding block 18 releases the fixation of the blood sample collector 101.

[0048] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A medical specimen collection device for the elderly, characterized in that: include: A housing (1), wherein a blood sample collector (101) is slidably connected inside the housing (1); A fixed tube (2) passes through and is fixedly connected to the outer shell (1), the fixed tube (2) being in communication with the interior of the outer shell (1); A plurality of connecting pieces, all of which are arranged in the fixing cylinder (2) and are used to seal the blood sample collector (101), wherein the connecting pieces include: A first shell (3) is arranged in the fixed cylinder (2); the first shell (3) is sealingly and slidably connected to the second shell (4); a passage is provided in the middle of the second shell (4) and the middle of the first shell (3); a mirror-distributed elastic airbag (5) is provided on a side of the second shell (4) away from the first shell (3); the elastic airbag (5) is communicated with the second shell (4); and the elastic airbag (5) is used to block the passage of the second shell (4).

2. The medical specimen collection device for the elderly according to claim 1, characterized in that: The connecting piece also includes: A plurality of L-shaped plates (6) are fixedly connected to the first shell (3), and the second shell (4) is provided with limiting holes (7) whose number matches the number of the L-shaped plates (6), and the limiting holes (7) are used to limit the position of the L-shaped plates (6).

3. The medical specimen collection device for the elderly according to claim 2, characterized in that: The L-shaped plate (6) is provided with a protrusion, and the limiting hole (7) is provided with a groove, and the groove in the limiting hole (7) is used to limit the protrusion of the L-shaped plate (6).

4. The medical specimen collection device for the elderly according to claim 3, characterized in that include: a first sliding plate (8) slidably connected to the fixed cylinder (2), with a first elastic member fixedly connected therebetween, the first sliding plate (8) being used to limit the first shell (3), the first sliding plate (8) passing through the outer shell (1) and being slidably connected to the outer shell (1); A second sliding plate (9) is slidably connected to the fixed cylinder (2), the second sliding plate (9) is used to limit the first housing (3), and a transmission member is provided between the second sliding plate (9) and the first sliding plate (8).

5. The medical specimen collection device for the elderly according to claim 4, characterized in that include: A first telescopic bracket (10) is installed in the housing (1), and a storage platform (11) is fixedly connected to a telescopic end of the first telescopic bracket (10); A first limiting rod (12) is fixedly connected to the storage platform (11), and the first limiting rod (12) is used to limit the first shell (3).

6. The medical specimen collection device for the elderly according to claim 5, characterized in that include: A connecting plate (13) is slidably connected to the storage platform (11), and a second elastic member is fixedly connected therebetween; the connecting plate (13) is fixedly connected to a second telescopic bracket (14); a telescopic end of the second telescopic bracket (14) is fixedly connected to a second limiting rod (15); the second limiting rod (15) is located on a moving path of the second shell (4); an annular groove is provided on the second shell (4); the second limiting rod (15) limits the second shell (4) through the annular groove of the second shell (4); A trigger plate (16) is slidably connected to the housing (1), and a pull rope is fixedly connected to the trigger plate (16). The pull rope of the trigger plate (16) passes through the housing (1) and is fixedly connected to the connecting plate (13).

7. The medical specimen collection device for the elderly according to claim 6, characterized in that include: A plurality of first sliding blocks (17), all slidably connected inside the housing (1); The number of the second sliding blocks (18) is the same as that of the first sliding blocks (17), and they are respectively slidably connected to adjacent first sliding blocks (17). The first sliding blocks (17) and adjacent second sliding blocks (18) are both provided with inclined surfaces, and the inclined surfaces of the first sliding blocks (17) and the adjacent second sliding blocks (18) are in contact with each other. The second sliding blocks (18) are used to fix the position of the blood sample collector (101).

8. The medical specimen collection device for the elderly according to claim 7, characterized in that: A rubber gasket is provided on a side of the second sliding block (18) close to the blood sample collector (101), and a slope is provided on a side of the rubber gasket of the second sliding block (18) away from the adjacent first sliding block (17).

9. The medical specimen collection device for the elderly according to claim 7, characterized in that include: The number of sliding rods (19) is the same as the number of the second sliding blocks (18), and they are respectively slidably connected to adjacent second sliding blocks (18). All the sliding rods (19) are slidably connected to a blocking plate (20). A slot is provided on a side of the blocking plate (20) away from the housing (1). The slot of the blocking plate (20) is used to limit the wing-shaped handle of the blood sample collector (101). A through hole is provided on the blocking plate (20), and the blood sample collector (101) slides in the through hole of the blocking plate (20).

10. The medical specimen collection device for the elderly according to claim 9, characterized in that include: A plurality of limit blocks (21) are fixedly connected to a side of the housing (1) close to the blocking plate (20); The number of L-shaped blocks (22) is the same as that of the limiting blocks (21), and they are all slidably connected to a side of the blocking plate (20) close to the housing (1). A third elastic member is fixedly connected between the L-shaped block (22) and the blocking plate (20), and the L-shaped block (22) and the adjacent limiting blocks (21) are mutually limited.

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