Compression hemostasis device

Abstract

The application provides a compression hemostasis device, which comprises a base, a compression head, a replacement pad, a compression ring and a driving mechanism; one end of the compression head is in sliding connection with the base; the replacement pad is detachably installed at the other end of the compression head; one end of the compression ring is in sliding connection with the base, and the compression ring is sleeved on the compression head; and the driving mechanism can drive the compression ring and the compression head to slide up and down. The compression head is driven to move downward by the driving mechanism, so that the replacement pad is in contact with a compression position, thereby compressing the compression position; when the replacement pad needs to be replaced, the compression ring is driven to move downward by the driving mechanism, so that the compression ring compresses the periphery of the compression position, thereby preventing the compression position from bleeding; then the compression head is driven to move upward by the driving mechanism, so that the replacement pad is separated from the compression position, thereby achieving the replacement of the replacement pad; and the compression position will not seep blood.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compression hemostasis, in particular to a compression hemostasis device. BACKGROUND

[0002] Since the widespread use of tourniquets greatly reduced preventable deaths caused by limb hemorrhage in war injuries, the emergency control of hemorrhage at the junction of the trunk and the limb has become the next direction to be broken through. Although the progress of hemostatic dressings provides better packing materials for clinical hemostasis, in the case of large vessel injury bleeding, it may cause hemorrhagic shock and death in a few minutes, so effective external compression is still necessary for early hemostasis. Axillary artery injury is the main cause of large hemorrhage at the junction of the upper limb and the trunk. The anatomical position of this part is special, the structure is complex, and it is difficult to stop bleeding. The conventional tourniquet cannot be applied. At present, the pre-hospital treatment of axillary artery open injury with massive hemorrhage mainly uses hemostatic dressing and external compression hemostasis.

[0003] However, in order to ensure the local cleanliness of the compression position, the compression pad needs to be frequently disassembled and replaced during compression hemostasis; however, when the compression pad is replaced, the bleeding position cannot be compressed in time, so that the bleeding position will seep blood when the compression pad is replaced. SUMMARY

[0004] In view of the above problems existing in the prior art, the technical problem to be solved by the present application is that the bleeding position cannot be compressed in time when the compression pad is replaced, so that the bleeding position will seep blood when the compression pad is replaced.

[0005] To solve the above technical problems, the present application adopts the following technical scheme: a compression hemostasis device, comprising:

[0006] a base;

[0007] a compression head, one end of the compression head being in sliding connection with the base;

[0008] a replacement pad, the replacement pad being detachably mounted on the other end of the compression head;

[0009] a compression ring, one end of the compression ring being in sliding connection with the base, and the compression ring being sleeved on the compression head; and

[0010] a driving mechanism, the driving mechanism being capable of driving the compression ring and the compression head to slide up and down.

[0011] Preferably, the driving mechanism comprises: a rotating shaft, an incomplete gear and two racks; the rotating shaft is rotatably installed on the base, the incomplete gear is coaxially fixed on the rotating shaft, the two racks are both in sliding connection with the base, and the two racks are arranged on the two sides of the incomplete gear in the radial direction and are in engagement with the incomplete gear; one of the racks is fixedly connected with the compression head, and the other rack is fixedly connected with the compression ring.

[0012] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0013] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0014] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0015] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0016] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0017] Preferably, the base is provided with a groove, the limiting block is slidably installed in the groove, one end of the limiting block extends to the stroke of the gear tooth of the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the two sides of the limiting block close to the gear are respectively provided with inclined portions, the side of the limiting block close to the rack is provided with a limiting tooth, and the limiting tooth is in sliding fit with the tooth groove of the rack.

[0018] Compared with the prior art, the present application has at least the following advantages:

[0019] 1. The application, the compression head is aligned with the compression position, the replacement pad is contacted with the compression position by driving the compression head to move down through the driving mechanism, so as to compress the compression position to stop bleeding; when the replacement pad needs to be replaced, the compression ring is driven to move down through the driving mechanism, so that the compression ring compresses the periphery of the compression position to prevent the compression position from bleeding, and then the compression head is driven to move up through the driving mechanism, so that the replacement pad is separated from the compression position, so that the replacement pad can be disassembled and replaced; and the compression position will not seep blood; after the replacement pad is replaced, the compression head is driven to move down through the driving mechanism, so that the replacement pad compresses the compression position, and then the compression ring is driven to move up.

[0020] 2. The application, when the replacement pad needs to be replaced, the incomplete gear is rotated through the rotating shaft, so that the incomplete gear is engaged with the gear rack on the compression ring, the gear rack on the compression ring is driven to move down by the incomplete gear, the gear rack on the compression ring drives the compression ring to move down, the compression ring compresses the periphery of the compression position to stop bleeding; then the incomplete gear is continuously rotated through the rotating shaft, so that the incomplete gear is separated from the gear rack on the compression ring and engaged with the gear rack on the compression head, so as to drive the gear rack on the compression head to move up, the gear rack on the compression head drives the compression head to move up, so that the replacement pad can be replaced; when the replacement is completed, the rotating shaft is reversely rotated to drive the compression head to compress the compression position to stop bleeding, and then the compression ring is moved up.

[0021] 3. The application, the reset spring pushes the limiting block to slide outwardly to the groove, so that the limiting teeth on the limiting block move into the tooth groove on the gear rack, so as to limit the gear rack to prevent the gear rack from sliding spontaneously, so that the friction between the gear rack and the base is not needed, and the pressure on the compression position is facilitated; when the incomplete gear needs to drive the gear rack to slide, the incomplete gear rotates towards the gear rack, the gear teeth on the incomplete gear abut against the inclined portion on the limiting block, and under the guidance of the inclined portion, the gear teeth of the incomplete gear drive the limiting block to slide into the groove, so as to compress the reset spring, so that the limiting teeth on the limiting block are separated from the gear rack; then the incomplete gear is engaged with the gear rack, so that the corresponding gear rack can be driven to slide through the incomplete gear. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application, the drawings needed in the specific embodiments will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0023] Figure 1 A perspective view of a compression hemostasis device provided for the embodiment of the present application.

[0024] Figure 2 A sectional view of the base provided for the embodiment of the present application.

[0025] Figure 3 Partial enlarged view of the driving mechanism provided for the embodiment in the present application.

[0026] Figure 4 Perspective view of the rack limiting mechanism provided for the embodiment in the present application.

[0027] Fig. 1 is a perspective view of the compression head; Fig. 2 is a perspective view of the replacement pad; Fig. 3 is a perspective view of the compression ring; Fig. 4 is a perspective view of the driving mechanism; Fig. 5 is a perspective view of the rack limiting mechanism; Fig. 6 is a perspective view of the mounting mechanism; Fig. 7 is a perspective view of the adjusting mechanism. 1 - base, 2 - compression head, 21 - air bag, 3 - replacement pad, 4 - compression ring, 41 - rubber pad, 5 - driving mechanism, 51 - rotating shaft, 52 - incomplete gear, 53 - rack, 54 - knob, 6 - rack limiting mechanism, 61 - limiting block, 62 - return spring, 63 - groove, 64 - inclined part, 65 - limiting tooth, 7 - mounting mechanism, 71 - U-shaped plate, 72 - pressing plate, 73 - threaded rod, 8 - adjusting mechanism, 81 - mechanical arm, 82 - adjusting rod. DETAILED DESCRIPTION

[0028] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, but cannot limit the protection scope of the present application.

[0029] In the present application, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] Reference is made to Figures 1-3The application provides an embodiment of a compression hemostasis device, which comprises a base 1, a compression head 2, a replacement pad 3, a compression ring 4 and a driving mechanism 5, one end of the compression head 2 is slidably connected with the base 1, the replacement pad 3 is detachably installed at the other end of the compression head 2, one end of the compression ring 4 is slidably connected with the base 1, and the compression ring 4 is sleeved on the compression head 2, further, a rubber pad 41 is installed at the end of the compression ring 4 away from the base 1, the rubber pad 41 is in contact with the surrounding of the compression position, so that the comfort of the patient is improved, and the driving mechanism 5 can drive the compression ring 4 and the compression head 2 to slide up and down.

[0032] In specific implementation, the compression head 2 is aligned with the compression position, the driving mechanism 5 is driven to drive the compression head 2 to move downwards, so that the replacement pad 3 is in contact with the compression position, and the compression head 2 is used for compression hemostasis of the compression position, when the replacement pad 3 needs to be replaced, the driving mechanism 5 is driven to drive the compression ring 4 to move downwards, so that the compression ring 4 is used for compression of the surrounding of the compression position, so as to prevent the compression position from bleeding, the driving mechanism 5 is driven to drive the compression head 2 to move upwards, so that the replacement pad 3 is separated from the compression position, so that the replacement pad 3 can be disassembled and replaced, and the compression position will not seep blood, after the replacement pad 3 is replaced, the driving mechanism 5 is driven to drive the compression head 2 to move downwards, so that the replacement pad 3 is used for compression of the compression position, and then the compression ring 4 is driven to move upwards.

[0033] Referring to Figures 1-3 In other embodiments, the driving mechanism 5 comprises a rotating shaft 51, an incomplete gear 52 and two racks 53, the rotating shaft 51 is rotatably installed on the base 1, the incomplete gear 52 is coaxially fixed on the rotating shaft 51, the two racks 53 are slidably connected with the base 1, and the two racks 53 are arranged on the two sides in the radial direction of the incomplete gear 52, and the two racks 53 are engaged with the incomplete gear 52, one of the two racks 53 is fixedly connected with the compression head 2, and the other rack 53 is fixedly connected with the compression ring 4.

[0034] When the replacement pad 3 needs to be replaced, the incomplete gear 52 is rotated through the rotating shaft 51, so that the incomplete gear 52 is engaged with the rack 53 on the compression ring 4, the incomplete gear 52 drives the rack 53 on the compression ring 4 to move downward, the rack 53 on the compression ring 4 drives the compression ring 4 to move downward, and the compression ring 4 compresses and stops bleeding around the compression position; then the incomplete gear 52 is continuously rotated through the rotating shaft 51, so that the incomplete gear 52 is disengaged from the rack 53 on the compression ring 4 and engaged with the rack 53 on the compression head 2, so as to drive the rack 53 on the compression head 2 to move upward, the rack 53 on the compression head 2 drives the compression head 2 to move upward, so that the replacement pad 3 can be replaced; after the replacement is completed, the rotating shaft 51 is reversely rotated to drive the compression head 2 to compress and stop bleeding at the compression position, and then the compression ring 4 is driven to move upward. Specifically, the two racks 53 have a certain friction with the base 1, so as to ensure that the compression head 2 and the compression ring 4 have a certain pressure on the compression position.

[0035] Referring to Figures 1-4 In other embodiments, a rack limiting mechanism 6 is further included, which comprises a limiting block 61 and a return spring 62; the base 1 is provided with a groove 63, the limiting block 61 is slidingly installed in the groove 63, one end of the limiting block 61 extends to the stroke of the gear tooth on the incomplete gear 52, and the other end of the limiting block 61 is provided with the return spring 62; the sliding direction of the limiting block 61 is perpendicular to the sliding direction of the rack 53; both sides of the end of the limiting block 61 close to the gear are respectively provided with inclined portions 64, one side of the limiting block 61 close to the rack 53 is provided with a limiting tooth 65, and the limiting tooth 65 is slidingly matched with the tooth groove of the rack 53. Further, a knob 54 is further included, which is fixedly installed on the rotating shaft 51; the knob 54 can be used to more conveniently drive the rotating shaft 51 to rotate.

[0036] In specific implementation, the return spring 62 pushes the limiting block 61 to slide outward from the groove 63, so that the limiting tooth 65 on the limiting block 61 moves into the tooth groove on the rack 53, thereby limiting the rack 53 to prevent the rack 53 from sliding spontaneously, so that the friction between the rack 53 and the base 1 is not required, and the pressure on the compression position is facilitated; when the incomplete gear 52 needs to drive the rack 53 to slide, the incomplete gear 52 rotates towards the rack 53, the gear tooth on the incomplete gear 52 abuts against the inclined portion 64 on the limiting block 61, and under the guidance of the inclined portion 64, the gear tooth on the incomplete gear 52 drives the limiting block 61 to slide into the groove 63, thereby compressing the return spring 62, so that the limiting tooth 65 on the limiting block 61 is disengaged from the rack 53; then the incomplete gear 52 is engaged with the rack 53, so as to drive the corresponding rack 53 to slide through the incomplete gear 52.

[0037] Referring to Figure 1In other embodiments, the mounting mechanism 7 is further included, which comprises a U-shaped plate 71, a pressing plate 72 and a threaded rod 73; the base is mounted on the U-shaped plate 71; the pressing plate 72 is located in the U-shaped plate 71 and arranged in parallel with the U-shaped plate 71; one end of the threaded rod 73 penetrates through the U-shaped plate 71 and is rotatably connected with the pressing plate 72, and the threaded rod 73 is threadedly connected with the U-shaped plate 71. In specific implementation, the U-shaped plate 71 is clamped on the test bench, and the threaded rod 73 is rotated to drive the pressing plate 72 to move, so as to clamp the U-shaped plate 71 and the pressing plate 72 on the test bench, thereby achieving the mounting and fixing of the base 1.

[0038] Referring to Figure 1 In other embodiments, the base 1 is mounted on the U-shaped plate 71 through the adjusting mechanism 8, which comprises a mechanical arm 81 and an adjusting rod 82; one end of the mechanical arm 81 is fixedly mounted on the U-shaped plate 71, the adjusting rod 82 is threadedly connected with the other end of the mechanical arm 81, and the base 1 is fixedly mounted on the adjusting rod 82. In specific implementation, the position of the base 1 is adjusted through the mechanical arm 81, and the height of the compression head 2 is accurately adjusted through the threaded rod 73, so as to accurately adjust the pressure of the compression head 2 on the compression position.

[0039] Referring to Figures 1-2 In yet another embodiment, the replacement pad 3 is mounted on the compression head 2 through the air bag 21. In specific implementation, the air bag 21 is fixedly mounted on the compression head 2, and the replacement pad 3 is detachably mounted on the air bag 21 through the magic tape; through the arrangement of the air bag 21, the replacement pad 3 can be more conveniently attached to the compression position, and the comfort of the compression position can be effectively improved.

[0040] Further, in the compression test, first, the test animal is transferred to the operating room, and the limbs are fixed on the test bench in a prone position; then the mechanical arm 81 and the compression head 2 are mounted on the test bench through the mounting mechanism 7, and the pressure sensor is fixed on the compression head 2 to measure the directional pressure, the pressure is measured in the range of 0-300 mmHg, and the sampling rate is 1000 sampling points / second / channel; then the compression head 2 is driven downward by the driving mechanism 5, so that the replacement pad 3 contacts the compression position, so as to compress and stop bleeding of the compression position, and the accurate pressure value is obtained through the pressure sensor; after the test is completed, the replacement pad 3 is weighed, so as to obtain the blood loss of the test animal under compression.

[0041] The above examples are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A compression hemostasis device, characterized in that, include: Base; A pressing head, one end of which is slidably connected to a base; A replacement pad, which is detachably mounted on the other end of the compression head; A compression ring, one end of which is slidably connected to the base, and the compression ring is sleeved on the compression head; and The driving mechanism can drive the pressure ring and the pressure head to slide up and down; The drive mechanism includes: a rotating shaft, an incomplete gear, and a rack; the rotating shaft is rotatably mounted on a base, and the incomplete gear is coaxially fixed on the rotating shaft; both racks are slidably connected to the base; and the two racks are respectively arranged on both sides of the incomplete gear in the radial direction, and the two racks mesh with the incomplete gear; one rack is fixedly connected to the pressure head, and the other rack is fixedly connected to the pressure ring; It also includes a rack and pinion limiting mechanism, which comprises a limiting block and a return spring; a groove is provided on the base, the limiting block is slidably installed in the groove, and one end of the limiting block extends to the travel of the gear teeth on the incomplete gear, and the other end of the limiting block is provided with a return spring; the sliding direction of the limiting block is perpendicular to the sliding direction of the rack; the limiting block has inclined portions on both sides near the gear end, and a limiting tooth is provided on the side of the limiting block near the rack, and the limiting tooth is slidably engaged with the tooth groove of the rack.

2. A compression hemostasis device according to claim 1, wherein It also includes a knob, which is fixedly mounted on the rotating shaft.

3. A compression hemostasis device according to claim 1, wherein It also includes an installation mechanism, which includes a U-shaped plate, a pressure plate, and a threaded rod; the base is installed on the U-shaped plate; the pressure plate is located inside the U-shaped plate and is arranged parallel to the U-shaped plate; one end of the threaded rod passes through the U-shaped plate and is rotatably connected to the pressure plate, and the threaded rod is threadedly connected to the U-shaped plate.

4. The compression hemostasis device according to claim 3, characterized in that, The base is mounted on the U-shaped plate via an adjustment mechanism, which includes a robotic arm and an adjustment rod. One end of the robotic arm is fixedly mounted on the U-shaped plate, and the adjustment rod is threadedly connected to the other end of the robotic arm. The base is also fixedly mounted on the adjustment rod.

5. The compression hemostasis device according to claim 1, characterized in that, The replacement pad is mounted on the compression head via an airbag.

6. The compression hemostasis device according to claim 1, characterized in that, A rubber pad is installed at the end of the compression ring furthest from the base.

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