A rapid thrombosis detection device

Abstract

The present invention provides a rapid thrombus detection device, comprising a frame, a shell, a temperature control device, a transmission column, a blood vessel fixing frame and a driving mechanism. The shell is arranged on the frame, and the shell has an openable and closable inlet and an openable and closable outlet. The temperature control device is arranged in the shell, and the temperature control device is used to control the temperature in the shell. The two ends of the transmission column pass through the inlet and the outlet respectively, and the two ends of the transmission column can be connected to the frame, and one of the two ends of the transmission column can be connected to the frame. A plurality of blood vessel fixing frames can be provided, and the blood vessel fixing frames are used to fix artificial blood vessels, and the blood vessel fixing frames can be sleeved on the transmission column. The present invention drives the blood vessel fixing frame on the transmission column to rotate through the driving mechanism, and the blood vessel fixing frame moves along the axial direction of the transmission column when rotating. Multiple blood vessel fixing frames can be placed on the transmission column at the same time, and the blood to be tested in multiple annular artificial blood vessels can be processed at the same time, thereby improving the efficiency of thrombus detection.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to a rapid thrombus detection device. Background Art

[0002] Invisible thrombi refer to unformed blood clots in the body that already have the conditions for thrombosis. Detecting invisible thrombi can provide a reference for the prevention, treatment, and diagnosis of cardiovascular and cerebral thrombosis.

[0003] In existing technology, the temperature inside a thrombus detector is controlled to be the same as human body temperature. Blood to be tested is injected into an artificial blood vessel and centrifuged within the instrument for typically 10 minutes to aggregate thrombotic factors carried by the blood. The blood from the artificial vessel is then evenly poured onto filter paper, and the extent of the thrombus is determined based on the length, dry weight, and wet weight of the resulting thrombus.

[0004] In practice, the time from drawing blood and removing the needle to loading the blood into the artificial blood vessel, loading the instrument and starting it should be controlled within 1 minute, and the shorter the time, the better. This is to avoid the blood to be tested from coagulating too long, which may cause blood clots to form in advance and affect the test results. During operation, although the blood tester is usually equipped with four test ports, each of which can hold three samples of blood to be tested, in order to ensure the test results, it can be started after one sample of blood to be tested is placed in one test port to avoid waiting for the next sample of blood to be tested too long, which may affect the test results. Therefore, a blood tester can test a small amount of blood, resulting in lower efficiency. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a rapid thrombus detection device, which can solve or at least alleviate one or more of the above-mentioned problems and other problems in the prior art.

[0006] The present invention provides a rapid thrombus detection device, comprising:

[0007] frame;

[0008] a housing, disposed on the frame, having an openable and closable entrance and an openable and closable exit;

[0009] a temperature control device, disposed in the housing, for controlling the temperature in the housing;

[0010] a transmission column, two ends of which pass through the inlet and the outlet respectively and can be connected to the frame;

[0011] A plurality of blood vessel fixing frames can be provided for fixing artificial blood vessels, which can be sleeved on the transmission column and threadedly connected to the transmission column; and

[0012] The driving mechanism is used to drive the blood vessel fixing frame on the transmission column to rotate and feed.

[0013] Preferably, the blood vessel fixing frame comprises:

[0014] A blood vessel fixing ring can be sleeved on the transmission post and can be threadedly connected to the transmission post;

[0015] a matching ring coaxially connected to one end of the blood vessel fixing ring; and

[0016] A limiting ring can be threadedly sleeved on an end of the blood vessel fixing ring away from the matching ring, and its outer ring extends toward the matching ring to form a retaining ring;

[0017] The blood vessel fixing ring is used to support the annular artificial blood vessel sleeved on its outer wall; the limiting ring and the matching ring can clamp the artificial blood vessel between them; and the retaining ring can limit the outer ring of the artificial blood vessel.

[0018] Preferably, the outer ring of the mating ring is connected to a radially arranged protrusion;

[0019] The driving mechanism includes:

[0020] a driving sleeve, rotatably disposed in the housing, coaxially sleeved outside the transmission column, and having an outer wall provided with a circumferential rack; and

[0021] At least one driving rod is provided, connected to the inner wall of the driving sleeve, with its length direction parallel to the axial direction of the driving sleeve, and the driving rod can be located outside the outer ring of the mating ring and can abut against the protrusion;

[0022] a driving gear rotatably disposed in the housing and meshing with a rack on an outer wall of the driving sleeve; and

[0023] The motor is arranged in the housing, and the output end of the motor is coaxially connected to the driving gear.

[0024] Preferably, the driving mechanism further comprises:

[0025] A sleeve rod is provided corresponding to the driving rod, and one end of the sleeve rod is slidably sleeved on the driving rod through a matching hole;

[0026] a first spring, located in the matching hole, with two ends thereof connected to the end of the driving rod and the bottom of the matching hole respectively; and

[0027] a shielding plate, located in the entrance, with its inner side connected to the end of the sleeve rod away from the driving rod, and having a detection hole for allowing the matching ring and the limiting ring to pass through;

[0028] A clearance notch for allowing the protrusion to pass through is provided on the side wall of the detection hole.

[0029] Preferably, it further comprises two supporting devices provided on the frame; the two supporting devices are symmetrically arranged and can support the transmission column from both ends thereof; both ends of the transmission column are provided with connecting square holes;

[0030] The supporting device comprises:

[0031] A support rod is slidably disposed on the frame, and an end portion thereof is slidably inserted into the corresponding connecting square hole; and

[0032] a locking mechanism capable of locking the support rod and the transmission column;

[0033] A shielding cover is connected to one of the two support rods that is away from the shielding plate. The shielding cover can be brought close to shield the outlet.

[0034] Preferably, a plurality of ratchet grooves distributed along the axial direction of the transmission column are formed on the upper inner wall of the connecting square hole;

[0035] A mounting cavity is provided in the support rod; a locking hole is provided on the upper side of the support rod to connect the inside and the outside;

[0036] The locking mechanism comprises:

[0037] a second spring connected to a side of the inner wall of the installation cavity close to the bottom of the connecting square hole;

[0038] a first limiting block connected to the second spring and slidably disposed in the mounting cavity along the axial direction of the transmission column;

[0039] a guide block, obliquely disposed in the mounting cavity, with a higher end thereof connected to the first limiting block;

[0040] a second limiting block connected to an end of the guide block away from the first limiting block and capable of sliding along the axial direction of the transmission column away from the second spring; and

[0041] A locking block, the upper end of which is connected to a ratchet block that can fit into the corresponding ratchet groove, and a guide hole is opened on the locking block to slide with the guide block;

[0042] The ratchet block is located in the locking hole; when the second limit block moves away from the second spring, the locking block drives the ratchet block to rise and then inserts into the corresponding ratchet groove to prevent the second limit block from moving further away from the second spring.

[0043] Preferably, the frame includes a base and a limit seat provided on the base; a limit hole is provided on the limit seat; the limit seat is located below the transmission column;

[0044] The supporting device further comprises:

[0045] A push-pull block is arranged on the frame for transverse sliding movement, and its upper end is connected to the support rod;

[0046] a first square sleeve connected to the lower end of the push-pull block, with a center line thereof parallel to a center line of the support rod; and

[0047] A second square sleeve is connected to the end of the first square sleeve away from the push-pull block, and the end of the second square sleeve away from the first square sleeve is slidably inserted into the limiting hole;

[0048] The first square sleeve can be against the limiting seat; the two second square sleeves in the two supporting devices are connected by setting a third spring.

[0049] Preferably, the end of the third spring is located in the second square sleeve;

[0050] A first channel is formed at the end of the support rod; a mounting groove facing the other push-pull block is formed in the middle of the push-pull block; a second channel communicating with the first channel is formed at the upper end of the push-pull block; the second channel is communicated with the upper end of the mounting groove; a third channel is formed at the lower end of the push-pull block, and the third channel is communicated with the inner cavity of the first square sleeve;

[0051] The supporting device further comprises:

[0052] a slider, slidably disposed in the first square sleeve, connected to the end of the third spring, and capable of abutting against the end of the second square sleeve;

[0053] a connecting rope, one end of which is connected to the second limiting block, and the other end of which is connected to the slider after passing through the first channel, the second channel, the mounting groove, and the third channel in sequence; and

[0054] An elastic trigger mechanism is provided on the push-pull block and is used for applying elastic force to the connecting rope in the installation groove to keep the connecting rope away from the bottom of the installation groove.

[0055] Preferably, a mounting hole is provided at the bottom of the mounting groove;

[0056] The elastic trigger mechanism comprises:

[0057] A trigger rod, one end of which is connected to a stopper, and the other end of which is connected to a handshake after passing through the mounting hole, and a transition hole that penetrates vertically is formed at the end of the trigger rod away from the stopper; and

[0058] a fourth spring, sleeved on the trigger rod, with two ends thereof connected to the stop block and the push-pull block respectively;

[0059] The connecting rope passes through the transition hole.

[0060] Preferably, a stop block is connected to the connecting rope, and the stop block can abut against the upper end of the trigger rod.

[0061] Compared with the prior art, the present invention has the following beneficial effects:

[0062] In the technology of the present invention, the blood vessel fixing frame on the transmission column is driven to rotate by a driving mechanism. When the blood vessel fixing frame rotates, it moves forward along the axial direction of the transmission column. Multiple blood vessel fixing frames can be placed on the transmission column at the same time, and the blood to be tested in multiple annular artificial blood vessels can be processed at the same time, thereby improving the efficiency of thrombus detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0064] Figure 1 This is a three-dimensional diagram of a rapid thrombus detection device according to an embodiment of the present invention;

[0065] Figure 2 for Figure 1 Internal cross-sectional view of

[0066] Figure 3 for Figure 2 A magnified schematic diagram of point A;

[0067] Figure 4 for Figure 2 A magnified schematic diagram of point B;

[0068] Figure 5 for Figure 1 Another schematic diagram of (with the outer shell separated);

[0069] Figure 6 for Figure 5 Another schematic diagram of;

[0070] Figure 7 for Figure 5 Schematic diagram of the driving mechanism;

[0071] Figure 8 for Figure 7 Cross-sectional view at point C in the middle;

[0072] Figure 9 for Figure 7 Cross-sectional view at point D in the middle (top view).

[0073] Reference numerals:

[0074] 10. Frame; 11. Base; 12. Limit seat; 121. Limit hole;

[0075] 20. Housing; 21. Inlet; 22. Outlet;

[0076] 30. Transmission column; 31. Connecting square hole; 32. Ratchet groove;

[0077] 40. Vascular fixation frame; 41. Vascular fixation ring; 42. Matching ring; 43. Limiting ring; 44. Retaining ring; 45. Protrusion;

[0078] 50. Driving mechanism; 51. Driving sleeve; 52. Driving rod; 53. Driving gear; 54. Motor; 55. Sleeve rod; 551. Matching hole; 56. First spring; 57. Shielding plate; 571. Detection hole; 572. Clearance notch;

[0079] 60. Support device; 61. Support rod; 611. Mounting cavity; 612. Locking hole; 613. First channel; 62. Locking mechanism; 621. Second spring; 622. First limit block; 623. Guide block; 624. Second limit block; 625. Locking block; 626. Ratchet block; 63. Push-pull block; 631. Mounting groove; 632. Second channel; 633. Third channel; 634. Mounting hole; 64. First square sleeve; 65. Second square sleeve; 66. Third spring; 67. Slider; 68. Connecting rope; 69. Elastic trigger mechanism; 691. Trigger rod; 692. Stop block; 693. Handshake; 694. Fourth spring; 695. Transition hole; 696. Stop block;

[0080] 70. Shield. DETAILED DESCRIPTION

[0081] The following embodiments of the technical solution of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0082] It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0083] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0084] In addition, the terms "first," "second," etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. In the description of the present invention, "plurality" means more than two, unless otherwise specifically defined.

[0085] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0086] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0087] See also Figures 1 to 9 This embodiment provides a rapid thrombus detection device, including a frame 10, a housing 20, a temperature control device, a transmission column 30, a blood vessel fixing frame 40 and a driving mechanism 50.

[0088] The housing 20 is disposed on the frame 10 , and the housing 20 has an openable and closable inlet 21 and an openable and closable outlet 22 .

[0089] A temperature control device is disposed within the housing 20 and is used to control the temperature within the housing 20. The temperature control device utilizes existing technology and is not further described herein. The temperature control device is used to maintain a constant temperature within the housing, and its temperature setting is consistent with that required by existing thrombus detectors.

[0090] The transmission column 30 extends from the inlet 21 and the outlet 22 at both ends, respectively. Both ends of the transmission column 30 can be connected to the frame 10, with one end of the transmission column 30 being connected to the frame 10. Multiple vascular fixation frames 40 can be provided, each used to secure an artificial blood vessel. Each vascular fixation frame 40 can be sleeved onto the transmission column 30 and threadedly connected to the transmission column 30. A drive mechanism 50 is used to drive the vascular fixation frames 40 on the transmission column 30 to rotate and advance.

[0091] In this embodiment, the medical staff installs the annular artificial blood vessel loaded with blood on the blood vessel fixing frame 40, then disconnects one end of the transmission post 30 from the frame 10, inserts the blood vessel fixing frame 40 from the end of the transmission post 30, and rotates it. After the blood vessel fixing frame 40 and the transmission post 30 are successfully threaded together, the annular artificial blood vessel on the blood vessel fixing frame 40 is now coaxial with the transmission post 30.

[0092] The detached ends of the transmission column 30 are then reconnected to the frame 10, with the frame 10 providing support for both ends of the transmission column 30. The drive mechanism 50 rotates the vascular holder 40 attached to the transmission column 30. As the vascular holder 40 rotates, it advances along the axis of the transmission column 30, maintaining a constant temperature within the housing. The movement of the vascular holder 40 from one end of the transmission column 30 to the other is set to take approximately 10 minutes, allowing the thrombotic factors within it to accumulate. The transmission column 30 allows for the simultaneous transport and rotation of multiple vascular holders 40, allowing for simultaneous processing of blood samples from the annular artificial blood vessels attached to multiple vascular holders 40, thereby improving thrombosis detection efficiency.

[0093] In one embodiment, the blood vessel fixing frame 40 includes a blood vessel fixing ring 41 , a matching ring 42 and a limiting ring 43 .

[0094] A blood vessel fixing ring 41 can be sleeved onto the transmission post 30 and threadedly connected to the transmission post 30. A mating ring 42 is coaxially connected to one end of the blood vessel fixing ring 41. A limiting ring 43 can be threadedly sleeved onto the end of the blood vessel fixing ring 41 away from the mating ring 42, with a retaining ring 44 extending from its outer ring toward the mating ring 42.

[0095] The blood vessel fixing ring 41 is used to support the annular artificial blood vessel sleeved on its outer wall; the limiting ring 43 and the matching ring 42 can clamp the artificial blood vessel between them; the retaining ring 44 can limit the outer ring of the artificial blood vessel.

[0096] In this embodiment, after injecting the blood to be tested into the annular artificial blood vessel, the annular artificial blood vessel is placed over the blood vessel fixing ring 41, abutting against the mating ring 42 on one side. The limiting ring 43 is then rotated and threaded onto the blood vessel fixing ring 41. The limiting ring 43 and mating ring 42 now clamp and secure the annular artificial blood vessel from both sides. Furthermore, because the annular artificial blood vessel is formed by bending a single artificial blood vessel and butting its two ends together, there is a risk of the butted ends detaching. A retaining ring 44 attached to the limiting ring 43 prevents this by restraining the awakening artificial blood vessel from its outer wall.

[0097] In one embodiment, the outer ring of the mating ring 42 is connected to a radially arranged protrusion 45 , and there is more than one protrusion 45 .

[0098] The driving mechanism 50 includes a driving sleeve 51 , a driving rod 52 , a driving gear 53 and a motor 54 .

[0099] The drive sleeve 51 is rotatably mounted within the housing and coaxially sleeved on the transmission column 30. A circumferential rack is disposed on the outer wall of the drive sleeve 51. Specifically, a circumferential groove is defined on the outer wall of the drive sleeve 51. A guide ring is disposed within the housing and sleeved within the groove. The guide ring supports the drive sleeve 51 by slidingly engaging with the groove.

[0100] At least one drive rod 52 is provided, connected to the inner wall of the drive sleeve 51. The length direction of the drive rod 52 is parallel to the axial direction of the drive sleeve 51. The drive rod 52 can be located outside the outer ring of the mating ring 42 and can abut against the protrusion 45. Specifically, the side surface of the drive rod 52 can abut against the protrusion 45.

[0101] The driving gear 53 is rotatably disposed in the housing and meshes with a rack on the outer wall of the driving sleeve 51. A motor 54 is disposed in the housing, and an output end of the motor 54 is coaxially connected to the driving gear 53.

[0102] In this embodiment, after the vascular fixation frame 40 is screwed onto the transmission post 30, the motor 54 can drive the drive rod 52 to rotate around the transmission post 30 through the drive gear 53 and the drive sleeve 51. During the rotation, the drive rod 52 abuts against the protrusion 45 of the vascular fixation frame 40, thereby driving the entire vascular fixation frame 40 to rotate. The rotation of the vascular fixation frame 40 will move along the axial direction of the transmission post 30 until the vascular fixation frame 40 is separated from the drive rod 52.

[0103] In one embodiment, the driving mechanism 50 further includes a sleeve rod 55 , a first spring 56 and a shielding plate 57 .

[0104] A sleeve rod 55 is provided corresponding to the drive rod 52. One end of the sleeve rod 55 is slidably mounted on the drive rod 52 via a mating hole 551. A first spring 56 is located within the mating hole 551, with its ends connected to the end of the drive rod 52 and the bottom of the mating hole 551, respectively. A shielding plate 57 is located within the inlet 21. The inner side of the shielding plate 57 is connected to the end of the sleeve rod 55 away from the drive rod 52. The shielding plate 57 defines a detection hole 571 that allows the mating ring 42 and the retaining ring 43 to pass through. The sidewall of the detection hole 571 defines a clearance notch 572 that allows the protrusion 45 to pass through. The number of clearance notches 572 corresponds to the number of protrusions 45. Specifically, more than two drive rods 52 may be provided, and correspondingly, more than two sleeve rods 55 may also be provided. The ends of the two or more sleeve rods 55 are fixedly connected to the shielding plate 57.

[0105] In this embodiment, the shielding plate 57 blocks the housing at the entrance 21 to a certain extent. A blood vessel holder 40, without a prosthesis placed therein, can be placed on the end of the transmission post 30 to cooperate with the transmission post 30 to block the detection hole 571 on the shielding plate 57, thereby completely sealing the entrance 21 of the housing and reducing the amount of heat exchange between the hot air inside the housing and the outside air through the entrance 21.

[0106] During operation, the blood vessel fixing frame 40 at the end of the transmission column 30, which is used to block the detection hole 571, is removed and an artificial blood vessel containing the blood to be tested is installed. Then, the blood vessel fixing frame 40 is sleeved onto the end of the transmission column 30. The end area of ​​the transmission column 30 has no threads. The blood vessel fixing frame 40 needs to be moved a certain distance axially along the transmission column 30 and then rotated before it can be threadedly connected to the transmission column 30. During the process of the blood vessel fixing frame 40 being threadedly connected to the transmission column 30 and moving, the shielding plate 57 rotates at the entrance 21 along with the sleeve rod 55. The clearance notch 572 on the shielding plate 57 is not aligned with the protrusion 45, and the blood vessel fixing frame 40 cannot enter the housing from the detection hole 571 through the shielding plate 57. The vascular holder 40 first abuts against and compresses the shielding plate 57. The holder 40 then rotates and becomes threadedly connected to the transmission post 30. The shielding plate 57 gradually rotates until its clearance notch 572 aligns with the protrusion 45 on the holder 40. The holder 40 enters the detection hole 571. During this rotation, the sleeve rod 55, attached to the inner wall of the shielding plate 57, abuts against the protrusion 45. The rotation of the sleeve rod 55 drives the holder 40 to rotate and advance on the transmission post 30.

[0107] In one embodiment, the rapid thrombus detection device further comprises two supporting devices 60 disposed on the frame 10. The two supporting devices 60 are symmetrically arranged and can support the transmission column 30 from both ends. Both ends of the transmission column 30 are provided with connecting square holes 31.

[0108] The supporting device 60 includes a supporting rod 61 and a locking mechanism 62 .

[0109] The support rod 61 can be set on the frame 10 in a transversely sliding manner, and the end of the support rod 61 can be slidably inserted into the corresponding connecting square hole 31. The locking mechanism 62 can lock the support rod 61 and the transmission column 30. A shielding cover 70 is connected to the support rod 61 away from the baffle 57 among the two support rods 61, and the shielding cover 70 can block the outlet 22 after approaching. Specifically, the shielding cover 70 can be hemispherical or have a cylindrical outer contour. In addition, the end of the support rod 61 inserted into the connecting square hole 31 is a pointed end, which is convenient for it to be reinserted after being detached from the connecting square hole 31.

[0110] In this embodiment, two support rods 61 can be simultaneously inserted into the connecting holes 31 of the transmission column 30 to support the transmission column 30, and the support rods 61 can be locked to the transmission column 30 via a locking mechanism 62. When the vascular fixation frame 40 needs to be placed on the transmission column 30, the support rod 61 on one side of the shielding plate 57 can be unlocked. This support rod 61 can then be disengaged from the connecting holes 31 to install the vascular fixation frame 40 on the transmission column 30. The support rod 61 can then be moved laterally and reinserted into the corresponding connecting hole 31. During this process, the support rod 61 on the other side can continue to support the transmission column 30.

[0111] In one embodiment, a plurality of ratchet grooves 32 are formed on the inner wall of the upper side of the connecting square hole 31 and distributed along the axial direction of the transmission column 30. A mounting cavity 611 is formed in the support rod 61; a locking hole 612 is formed on the upper side of the support rod 61 to connect the inside and the outside.

[0112] The locking mechanism 62 includes a second spring 621 , a first limiting block 622 , a guide block 623 , a second limiting block 624 and a locking block 625 .

[0113] The second spring 621 is connected to one side of the inner wall of the installation cavity 611 close to the bottom of the connecting square hole 31 .

[0114] The first limiting block 622 is connected to the second spring 621 , and the first limiting block 622 is slidably disposed in the installation cavity 611 along the axial direction of the transmission column 30 .

[0115] The guide block 623 is tiltedly disposed in the installation cavity 611 , and a higher end thereof is connected to the first limiting block 622 .

[0116] A second stopper 624 is connected to the end of the guide block 623 that is away from the first stopper 622. The second stopper 624 can slide axially along the transmission column 30 away from the second spring 621. Specifically, the lower end of the guide block 623 is connected to the second stopper 624. A ratchet block 626 is connected to the upper end of the locking block 625, which can engage with the corresponding ratchet groove 32. The locking block 625 is provided with a guide hole that slides with the guide block 623.

[0117] The ratchet block 626 is located within the locking hole 612. When the second stop block 624 moves away from the second spring 621, the locking block 625 drives the ratchet block 626 upward and inserts it into the corresponding ratchet groove 32, preventing the second stop block 624 from moving further away from the second spring 621. Specifically, the ratchet block 626 is shaped like the teeth of a ratchet wheel. When the ratchet block 626 is inserted into the ratchet groove 32, it prevents the support rod 61 from being withdrawn from the connecting square hole 31.

[0118] In this embodiment, the second stopper 624 tends to move away from the second spring 621, thereby causing the locking block 625 to move upward. During operation, the second stopper 624 is driven closer to the second spring 621, causing the locking block 625 to move downward, thereby disengaging the ratchet block 626 from the ratchet groove 32, thereby unlocking the support rod 61 and the transmission column 30. During this process, the second spring 621 plays an auxiliary role, providing tension to the first stopper 622.

[0119] In one embodiment, the frame 10 includes a base 11 and a limiting seat 12 disposed on the base 11 ; the limiting seat 12 is provided with a through limiting hole 121 . The limiting seat 12 is located below the transmission column 30 .

[0120] The supporting device 60 further includes a push-pull block 63 , a first square sleeve 64 and a second square sleeve 65 .

[0121] A push-pull block 63 is slidably mounted on the frame 10, with the upper end of the push-pull block 63 connected to the support rod 61. A first square sleeve 64 is connected to the lower end of the push-pull block 63, with the centerline of the first square sleeve 64 parallel to the centerline of the support rod 61. A second square sleeve 65 is connected to the end of the first square sleeve 64 that is distal to the push-pull block 63, and the end of the second square sleeve 65 that is distal to the first square sleeve 64 is slidably inserted into the limiting hole 121.

[0122] The first square sleeve can abut against the limiting seat 12. The two second square sleeves 65 in the two supporting devices 60 are connected by a third spring 66. The third spring 66 is located in the limiting hole 121. The third spring 66 applies tension to the two second square sleeves simultaneously.

[0123] In this embodiment, under the pull of the third spring 66, the second square sleeve 65, the first square sleeve 64, and the push-pull block 63 drive the support rod 61 to have a tendency to be inserted into the connecting square hole 31. Furthermore, the third spring 66 can ensure that the push-pull blocks 63 on both sides are symmetrical with each other, thereby ensuring that the transmission column 30 on the support rod 61 remains centered relative to the limit seat 12.

[0124] In one embodiment, an end portion of the third spring 66 is located in the second square sleeve 65 .

[0125] A first channel 613 is defined at the end of the support rod 61. A mounting slot 631 is defined in the middle of the push-pull block 63, facing the other push-pull block 63. A second channel 632 is defined at the upper end of the push-pull block 63, communicating with the first channel 613. The second channel 632 communicates with the upper end of the mounting slot 631. A third channel 633 is defined at the lower end of the push-pull block 63, communicating with the inner cavity of the first square sleeve 64.

[0126] The supporting device 60 further includes a slider 67 , a connecting rope 68 and an elastic trigger mechanism 69 .

[0127] a slider 67 slidably disposed in the first square sleeve 64 , connected to the end of the third spring 66 , and capable of abutting against the end of the second square sleeve 65 ;

[0128] A connecting rope 68, one end of which is connected to the second limiting block 624, and the other end of which passes through the first channel 613, the second channel 632, the mounting groove 631 and the third channel 633 in sequence and is connected to the slider 67; and

[0129] The elastic trigger mechanism 69 is provided on the push-pull block 63 and is used to apply elastic force to the connecting rope 68 in the installation slot 631 to keep the connecting rope away from the bottom of the installation slot 631 .

[0130] In this embodiment, when the vascular fixation frame 40 needs to be removed or inserted, the elastic trigger mechanism 69 is driven in the reverse direction, causing the connecting rope 68 to approach the bottom of the installation slot 631. This allows a portion of the connecting rope 68 to slide through the second channel 632 and the first channel 613. This causes the second stopper 624 to slide under the action of the second spring 621, and the locking block 625 to move downward, thereby releasing the lock between the support rod 61 and the transmission column 30. At this point, the push-pull block 63 can be pulled to disengage the support rod 61 from the connecting square hole 31, allowing the vascular fixation frame 40 to be inserted or removed.

[0131] After the operation is completed, release your hand and under the action of the third spring 66, the two second square sleeves 65 approach each other, so that the push-pull block 63 drives the support rod 61 to be inserted into the connecting square hole 31, and the elastic trigger mechanism 69 drives the connecting rope 68 away from the bottom of the installation groove 631, thereby making the connecting rope 68 taut, and then pulling the second spring 621, the locking block 625 moves up, and the ratchet block 626 is inserted into the corresponding ratchet groove 32, thereby realizing the connection and locking of the support rod 61 and the transmission column 30.

[0132] In one embodiment, a mounting hole 634 is defined at the bottom of the mounting slot 631 .

[0133] The elastic trigger mechanism 69 includes a trigger rod 691 and a fourth spring 694 .

[0134] One end of the trigger rod 691 is connected to a stopper 692 , and the other end of the trigger rod 691 passes through the mounting hole 634 and is connected to a handshake 693 . A transition hole 695 is formed vertically through the end of the trigger rod 691 away from the stopper 692 .

[0135] The fourth spring 694 is sleeved on the trigger rod 691 , and both ends of the fourth spring 694 are respectively connected to the stopper 692 and the push-pull block 63 . The connecting rope 68 passes through the transition hole 695 .

[0136] In this embodiment, the fourth spring 694 applies tension to the stopper 692, which forces the connecting cord 68 within the transition hole 695 of the trigger lever 691, pushing the connecting cord 68 away from the bottom of the mounting slot 631 and straightening the connecting cord 68. For subsequent operation, the handle 693 can be pressed to press the connecting cord 68 to the bottom of the mounting slot 631.

[0137] In one embodiment, a stop block 696 is connected to the connecting rope 68 , and the stop block 696 can abut against the upper end of the trigger rod 691 .

[0138] During operation, the push-pull block 63 can be directly pulled. At this time, the third spring 66 below is stretched, so that the connecting rope 68 is straightened. Due to the existence of the stop block 696, the connecting rope 68 above the trigger rod 691 will not move down. At this time, the trigger rod 691 is long enough, and the straightened connecting rope 68 drives the trigger rod 691 to retreat, so that the connecting rope 68 above the trigger rod 691 is also relaxed from the straightened state, so that the second spring 621 above drives the guide ring to move, so that the locking block 625 moves downward, and the support rod 61 and the transmission column 30 are unlocked.

[0139] That is, due to the presence of the third spring 66, when placing or removing the vascular fixing frame 40, the support rod 61 on one side can be separated from the transmission column 30 by pulling the push-pull block 63 on one side, while the support rod 61 on the other side remains locked with the transmission column 30.

[0140] In the description of the present invention, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures, and techniques are not shown in detail so as not to obscure the understanding of this description.

[0141] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A rapid thrombus detection device, characterized in that: include: Rack (10); A housing (20) is disposed on the frame (10) and has an openable and closable inlet (21) and an openable and closable outlet (22); a temperature control device, disposed in the housing (20) and used to control the temperature in the housing (20); A transmission column (30), two ends of which respectively pass through the inlet (21) and the outlet (22) and can be connected to the frame (10); A blood vessel fixing frame (40), which can be provided in plurality and is used to fix an artificial blood vessel, can be sleeved on the transmission column (30) and threadedly connected to the transmission column (30); and A driving mechanism (50) for driving the blood vessel fixing frame (40) on the transmission column (30) to rotate and feed; The blood vessel fixing frame (40) comprises: A blood vessel fixing ring (41) can be sleeved on the transmission column (30) and can be threadedly connected to the transmission column (30); a matching ring (42) coaxially connected to one end of the blood vessel fixing ring (41); and A limiting ring (43) can be threadedly sleeved on an end of the blood vessel fixing ring (41) away from the matching ring (42), and a retaining ring (44) is extended from its outer ring toward the matching ring (42); The blood vessel fixing ring (41) is used to support the annular artificial blood vessel sleeved on its outer wall; the limiting ring (43) and the matching ring (42) can clamp the artificial blood vessel between the two; and the retaining ring (44) can limit the outer ring of the artificial blood vessel. The outer ring of the matching ring (42) is connected to a radially arranged protrusion (45); The driving mechanism (50) comprises: A drive sleeve (51) is rotatably disposed in the housing (20) and coaxially sleeved outside the transmission column (30), and a rack is provided on its outer wall along the circumferential direction; and At least one driving rod (52) is provided, connected to the inner wall of the driving sleeve (51), and its length direction is parallel to the axial direction of the driving sleeve (51). The driving rod (52) can be located outside the outer ring of the matching ring (42) and can abut against the protrusion (45); a driving gear (53) rotatably disposed in the housing (20) and meshing with a rack on the outer wall of the driving sleeve (51); and The motor (54) is disposed in the housing (20), and its output end is coaxially connected to the driving gear (53).

2. A rapid thrombus detection device according to claim 1, characterized in that: The driving mechanism (50) further includes: A sleeve rod (55) is provided corresponding to the driving rod (52), and one end of the sleeve rod is slidably sleeved on the driving rod (52) by providing a matching hole (551); a first spring (56) located in the matching hole (551), with two ends thereof respectively connected to the end of the driving rod (52) and the bottom of the matching hole (551); and The shielding plate (57) is located at described The inlet (21) has an inner side connected to an end of the sleeve rod (55) away from the driving rod (52), and is provided with a detection hole (571) for allowing the matching ring (42) and the limiting ring (43) to pass through; A clearance notch (572) is provided on the side wall of the detection hole (571) to allow the protrusion (45) to pass through.

3. A rapid thrombus detection device according to claim 2, characterized in that: It also includes two supporting devices (60) arranged on the frame (10); the two supporting devices (60) are symmetrically arranged and can support the transmission column (30) from both ends thereof; both ends of the transmission column (30) are provided with connecting square holes (31); The supporting device (60) comprises: A support rod (61) is laterally slidably disposed on the frame (10), and an end portion thereof is slidably inserted into the corresponding connecting square hole (31); and A locking mechanism (62) capable of locking the support rod (61) and the transmission column (30); A shielding cover (70) is connected to one of the two support rods (61) that is away from the shielding plate (57). The shielding cover (70) can be brought close to shield the outlet (22).

4. A rapid thrombus detection device according to claim 3, characterized in that: A plurality of ratchet grooves (32) distributed axially along the transmission column (30) are provided on the upper inner wall of the connecting square hole (31); A mounting cavity (611) is provided in the support rod (61); a locking hole (612) communicating with the inside and outside is provided on the upper side of the support rod (61); The locking mechanism (62) comprises: A second spring (621) is connected to a side of the inner wall of the mounting cavity (611) close to the bottom of the connecting square hole (31); A first limiting block (622) is connected to the second spring (621) and is slidably disposed in the mounting cavity (611) along the axial direction of the transmission column (30); A guide block (623) is obliquely arranged in the installation cavity (611), with its higher end connected to the first limiting block (622); A second limiting block (624) is connected to an end of the guide block (623) away from the first limiting block (622), and can slide along the axial direction of the transmission column (30) away from the second spring (621); and A locking block (625) having an upper end connected to a ratchet block (626) that can fit into the corresponding ratchet groove (32) and a guide hole that is provided on the locking block (625) for sliding engagement with the guide block (623); The ratchet block (626) is located in the locking hole (612); when the second limiting block (624) moves away from the second spring (621), the locking block (625) drives the ratchet block (626) to rise and then can be inserted into the corresponding ratchet groove (32) to prevent the second limiting block (624) from moving further away from the second spring (621).

5. A rapid thrombus detection device according to claim 4, characterized in that: The frame (10) includes a base (11) and a limiting seat (12) arranged on the base (11); a limiting hole (121) is provided on the limiting seat (12); the limiting seat (12) is located below the transmission column (30); The supporting device (60) further comprises: A push-pull block (63) is arranged on the frame (10) for transverse sliding, and its upper end is connected to the support rod (61); A first square sleeve (64) is connected to the lower end of the push-pull block (63), and its center line is parallel to the center line of the support rod (61); and A second square sleeve (65) is connected to an end of the first square sleeve (64) away from the push-pull block (63), and an end of the second square sleeve (65) away from the first square sleeve (64) is slidably inserted into the limiting hole (121); The first square sleeve can abut against the limiting seat (12); and the two second square sleeves (65) in the two supporting devices (60) are connected by providing a third spring (66).

6. The rapid thrombus detection device according to claim 5, characterized in that: The end of the third spring (66) is located in the second square sleeve (65); The end of the support rod (61) is provided with a first channel (613); the middle of the push-pull block (63) is provided with a mounting groove (631) facing the other push-pull block (63); the upper end of the push-pull block (63) is provided with a second channel (632) connected to the first channel (613); the second channel (632) is connected to the upper end of the mounting groove (631); the lower end of the push-pull block (63) is provided with a third channel (633), and the third channel (633) is connected to the inner cavity of the first square sleeve (64); The supporting device (60) further comprises: A slider (67) is slidably disposed in the first square sleeve (64), connected to the end of the third spring (66), and can abut against the end of the second square sleeve (65); a connecting rope (68), one end of which is connected to the second limiting block (624), and the other end of which is connected to the slider (67) after passing through the first channel (613), the second channel (632), the mounting groove (631) and the third channel (633); and An elastic trigger mechanism (69) is provided on the push-pull block (63) and is used to apply elastic force to the connecting rope (68) in the installation groove (631) to keep the connecting rope away from the bottom of the installation groove (631).

7. A rapid thrombus detection device according to claim 6, characterized in that: A mounting hole (634) is provided at the bottom of the mounting groove (631); The elastic trigger mechanism (69) comprises: A trigger rod (691) is connected to a stopper (692) at one end and is connected to a handshake (693) at the other end after passing through the mounting hole (634). A transition hole (695) is provided vertically through the end of the trigger rod (691) away from the stopper (692); and a fourth spring (694) sleeved on the trigger rod (691), with two ends thereof respectively connected to the stop block (692) and the push-pull block (63); The connecting rope (68) passes through the transition hole (695).

8. The rapid thrombus detection device according to claim 7, characterized in that: A stop block (696) is connected to the connecting rope (68), and the stop block (696) can abut against the upper end of the trigger rod (691).

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