Device for preparing abdominal trauma animal model

Abstract

The invention discloses a device for preparing an abdominal trauma animal model, and relates to the technical field of medical experiment instruments.The device comprises a base plate and further comprises a trauma path guiding mechanism, a switching type trauma end mechanism and a trauma degree adjusting mechanism, the trauma path guiding mechanism comprises a trauma power rod, and a transverse dovetail sliding rail is arranged in the middle of the upper side of the base plate; a dovetail sliding strip is connected into the dovetail sliding rail in a sliding mode, a wound power rod is fixedly connected to the top of the dovetail sliding strip, and the switching type wound end head mechanism is installed at the left end of the wound power rod; the trauma degree adjusting mechanisms are installed at the front end and the rear end of the upper side of the seat plate, the trauma degree adjusting mechanisms correspond to the right ends of the dovetail sliding rails, the trauma trigger control mechanisms are installed on the trauma degree adjusting mechanisms, and the trauma impact power mechanisms are installed on the trauma trigger control mechanisms. The device for preparing the abdominal trauma animal model is good in reproducibility, good in stability and high in repeatability, quantitative grading can be achieved, and the requirement for experimenter experience can be lowered.

Description

Technical Field

[0001] The invention relates to the technical field of medical experimental instruments, in particular to a device for preparing an abdominal trauma animal model. Background Art

[0002] It is common for soldiers to suffer abdominal trauma during training or combat. Since the abdomen contains many important organs, once these organs are injured, it is very harmful to the soldiers and even threatens their lives. Therefore, it is of great significance to study the treatment measures for abdominal trauma. Medical personnel will design animal experimental models of abdominal trauma to simulate the process and evolution of human abdominal trauma and assist in the study of treatment measures for human abdominal trauma. Currently, there is no special equipment for the preparation of abdominal trauma animal models, and the reproducibility and stability of the preparation are generally poor due to the lack of special equipment and the experience of the preparation personnel, which will affect the research progress of abdominal trauma. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a device for preparing an animal model of abdominal trauma, which has good reproducibility, good stability, strong repeatability, quantitative grading, wide applicability, simple operation, and can reduce the requirements for experimenter experience, which is conducive to accelerating the research progress of abdominal trauma and can effectively solve the problems in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a device for preparing an abdominal trauma animal model, comprising a seat plate, and further comprising: The trauma path guiding mechanism comprises a dovetail slide rail, a dovetail slide bar, a trauma power rod and an initial position baffle plate. A transverse dovetail slide rail is arranged in the middle of the upper side of the seat plate. A dovetail slide bar is slidably connected in the dovetail slide rail. The top of the dovetail slide bar is fixedly connected to the trauma power rod. The initial position baffle plate is installed on the upper side of the seat plate at the right side of the dovetail slide rail. The dovetail slide bar is arranged corresponding to the initial position baffle plate. A switchable trauma tip mechanism is installed at the left end of the trauma power rod; The trauma degree adjustment mechanism is installed at the front and rear ends of the upper side of the seat plate, and the trauma degree adjustment mechanism corresponds to the right end of the dovetail slide rail. The trauma degree adjustment mechanism is installed with a trauma trigger control mechanism, and the trauma trigger control mechanism is installed with an impact trauma power mechanism.

[0005] The dovetail rail and the dovetail slider cooperate so that the trauma power rod can only move stably left and right along the dovetail rail. The initial position baffle limits the right end of the trauma power rod and the dovetail slider. Before each use, the right end of the dovetail slider needs to be pressed against the top left side of the initial position baffle to maintain the consistency of the initial position of the trauma power rod. The reproducibility and stability are good when preparing the abdominal trauma animal model. During preparation, the trauma degree adjustment mechanism can drive the trauma trigger control mechanism and the impact trauma power mechanism to move left and right. When the impact trauma power mechanism moves to the right, the kinetic energy provided to the trauma power rod will be reduced, reducing the impact force of the switchable trauma end mechanism at the left end of the trauma power rod on the animal's abdomen. When the impact trauma power mechanism moves to the left, the kinetic energy provided to the trauma power rod can be increased, and the impact force of the switchable trauma end mechanism at the left end of the trauma power rod on the abdomen of the animal can be increased, and the trauma on the abdomen of the animal can be quantitatively graded. The trauma trigger control mechanism is used to drive the impact trauma power mechanism to move downward, and the impact trauma power mechanism drives the trauma power rod to move rapidly to the left by means of the friction force with the trauma power rod. The trauma power rod and the switchable trauma end mechanism move rapidly to the left along the dovetail slide rail, and the abdomen of the experimental animal is impacted by means of the switchable trauma end mechanism, causing impact-type abdominal trauma to the animal, thereby preparing an impact-type abdominal trauma animal model.

[0006] Furthermore, the switchable trauma end mechanism includes a switching frame, the left end of the trauma power rod is detachably mounted with the switching frame, the left end of the switching frame is rotatably connected to a vertical switching shaft, the switching shaft is located at the shaft section inside the left end of the switching frame and is fixedly connected to the middle part of the switching rotary rod, two studs are respectively provided at both ends of the switching rotary rod, the two studs are respectively threadedly connected to two screw sleeves, one end of one screw sleeve is provided with a conical head, and the other end of the other screw sleeve is provided with a semicircular head, and the top of the switching shaft is connected to a switching shaft locking limit assembly. The switching shaft and the switching rotary rod can rotate relative to the switching frame, so as to control the conical head or the semicircular head to face to the left. The switching shaft locking limit assembly can lock the switching shaft and the switching frame, so that the switching rotary rod is no longer active relative to the switching frame. Therefore, the conical head or the semicircular head can be switched to perform impact trauma operations on animals to prepare different forms of trauma, which is more practical. The conical head and the semicircular head are installed on the end of the switching rotary rod with the help of the stud and the screw sleeve to achieve detachable installation. The conical heads and semicircular heads of different diameters can be replaced, which is closer to the situation where soldiers suffer abdominal trauma during training or combat.

[0007] Furthermore, the switching shaft locking limit assembly includes a locking guide column, and two locking holes are respectively provided at the top of the switching frame at positions on both sides of the switching shaft. The top of the switching shaft is fixedly connected to one end of the rotating plate, and the locking guide column is vertically slidably connected in the sliding hole at the other end of the rotating plate. The top end of the locking guide column is fixedly connected to a pull ring, and the bottom end of the locking guide column is fixedly connected to a locking block. The column section of the locking guide column located between the rotating plate and the locking block is sleeved with a switching spring. The distance between the locking block and the switching shaft is equal to the distance between the locking hole and the switching shaft. Every time the conical head or semicircular head needs to be switched to the left, first lift the locking guide column with the help of the pull ring. The locking guide column drives the locking block to move up, so that the locking block is disengaged from the locking hole. At this time, the switching spring is compressed, and then the rotary plate and the switching shaft are rotated 180 degrees, and the switching rotary rod also rotates 180 degrees to complete the switching of the conical head or semicircular head. Then release the pull ring, the switching spring resets and extends, pushing the locking guide column and the locking block down, and the locking block is engaged with another locking hole. At this time, the switching shaft, the switching rotary rod and the rotary plate can no longer rotate, thereby realizing the locking of the switching shaft and the switching rotary rod relative to the switching frame.

[0008] Furthermore, the trauma degree adjustment mechanism includes an adjustment rail, and two transverse adjustment rails are arranged on the upper side of the seat plate, and the two adjustment rails are respectively located at the front and rear sides of the right end of the dovetail slide rail, and each adjustment rail is slidably connected to a rail seat, and a butterfly bolt is threadedly connected to the screw hole on the rail seat, and two end plates are fixedly connected to the two ends of each adjustment rail. The adjusting rail guides the moving direction of the rail seat, and the end plate limits the two ends of the adjusting rail to prevent the rail seat from separating from the adjusting rail. The rail seat moves right along the adjusting rail to drive the trauma trigger control mechanism and the impact trauma power mechanism to move right. When the working speed of the impact trauma power mechanism is constant, the time for the impact trauma power mechanism to apply friction to the trauma power rod becomes shorter, and the trauma power rod will quickly separate from the impact trauma power mechanism, and the kinetic energy obtained by the trauma power rod from the impact trauma power mechanism is reduced, which will reduce the impact force of the switching trauma end mechanism on the animal's abdomen. The rail seat moves left along the adjusting rail to drive the trauma trigger control mechanism and the impact trauma power mechanism to move left. When the working speed of the impact trauma power mechanism is constant, the time for the impact trauma power mechanism to apply friction to the trauma power rod becomes longer, and the kinetic energy obtained by the trauma power rod from the impact trauma power mechanism is increased, which will increase the impact force of the switching trauma end mechanism on the animal's abdomen, and the trauma on the animal's abdomen can be quantitatively graded. After the rail seat moves to the required position along the adjusting rail, the butterfly bolt is tightened to fix the rail seat and the adjusting rail together, thereby completing the locking of the position of the trauma trigger control mechanism and the impact trauma power mechanism.

[0009] Furthermore, the trauma trigger control mechanism includes a trigger lifting plate, the tops of the two rail seats are respectively fixedly connected to the bottoms of the two columns, the tops of the two columns are respectively fixedly connected to the front and rear ends of the top plate, the front and rear ends of the trigger lifting plate are respectively vertically slidably connected to the two columns, the column sections of each column located between the rail seat and the trigger lifting plate are respectively sleeved with a return spring, the side of the trigger lifting plate is fixedly connected to the bottom end of the pressing column, the top plate is provided with a circular guide hole slidably connected to the top of the pressing column, the top of the top plate is located at the rear side of the pressing column and is movably connected to the rear end of the pressing rod, the lower side of the pressing rod is provided with an arc convex block corresponding to the top of the pressing column, and the front end of the pressing rod is installed with a handle. The impact trauma power mechanism is installed on the trigger lifting plate. When placed naturally, the elastic force of the return spring keeps the height of the trigger lifting plate and the impact trauma power mechanism stable. At this time, the impact trauma power mechanism is located above the trauma power rod. The front end of the pressing rod is pressed downward with the help of the handle. The pressing rod presses the pressing column downward with the help of the arc protrusion. With the help of the pressing column, the trigger lifting plate moves downward along the column. The return spring is compressed until the arc protrusion contacts the top surface of the top plate and stops. At this time, the impact trauma power mechanism can just apply a leftward force to the trauma power rod through friction. Release the handle, the return spring resets and extends, driving the trigger lifting plate to move upward along the column, and the impact trauma power mechanism leaves the trauma power rod.

[0010] Furthermore, the impact trauma power mechanism includes a power motor and a conical friction power wheel, the trigger lifting plate is rotatably connected to two vertical power shafts, the bottom ends of the two power shafts are respectively fixedly connected to two conical friction power wheels, the trauma power rod is located below the middle of the two conical friction power wheels, and the top front and rear sides of the trauma power rod are respectively provided with two inclined surfaces, the two inclined surfaces respectively cooperate with the conical surfaces of the two conical friction power wheels, the top ends of the two power shafts are respectively fixedly connected to two transmission gears, the two transmission gears are meshed and connected to each other, the trigger lifting plate is also equipped with a power motor, the output shaft of the power motor is fixedly connected to a driving gear, and the driving gear is meshed and connected to one of the transmission gears. The top diameter of the conical friction power wheel is larger than the bottom diameter. The power motor drives the active gear to rotate, and the active gear drives one of the transmission gears to rotate. Since the two transmission gears are meshed and connected, the two transmission gears rotate in opposite directions. With the help of the power shaft, the two conical friction power wheels are driven to rotate in opposite directions at high speed. The front conical friction power wheel rotates counterclockwise, and the rear conical friction power wheel rotates clockwise. When the lifting plate is triggered to descend, the conical surfaces of the two conical friction power wheels contact the two inclined surfaces on the front and rear sides of the top of the trauma power rod. Due to the friction force, the trauma power rod is quickly driven to move to the left, providing power for the switchable trauma end mechanism to impact the animal's abdomen, thereby obtaining an abdominal trauma animal model.

[0011] Furthermore, it also includes a trauma force detection mechanism, which includes a pressure sensor, the left end of the seat plate is fixedly connected to a vertical plate, the front and rear ends of the right side of the vertical plate are respectively fixedly connected to the left ends of two cross guide pillars, the two cross guide pillars are respectively connected to the front and rear sides of the detection slide plate in a transverse sliding manner, a pressure sensor is installed between the vertical plate and the detection slide plate, and the bottom of the detection slide plate is fixedly connected to the left side of the support plate. After the animal is restrained, it is placed on the support plate. When the animal is hit or squeezed, the detection slide plate moves closer to the vertical plate along the cross guide pillars. With the help of the pressure sensor, the force of the animal being hit or squeezed can be obtained, and more data can be obtained when preparing the abdominal trauma animal model, which can provide more support for subsequent research and verify the consistency of the preparation of the abdominal trauma animal model.

[0012] Furthermore, it also includes an animal position adjustment mechanism, which includes a height adjustment component, a horizontal plate, a turntable and a turntable locking component. The top of the support plate is installed with a horizontal plate through the height adjustment component. The horizontal plate is provided with a circular groove, and a turntable is rotatably installed in the circular groove. The turntable is connected to the horizontal plate through the turntable locking component. The height adjustment component is used to drive the horizontal plate to rise and fall to change the height of the animal's abdominal trauma. The turntable rotates relative to the horizontal plate to change the angle of the animal's abdominal trauma. The turntable locking component is used to lock the turntable and the horizontal plate to maintain the stability of the turntable during preparation. The turntable can be removed from the circular groove to facilitate cleaning of dirt or blood left by the animal when preparing the abdominal trauma animal model.

[0013] Furthermore, it also includes an animal restraint mechanism, which includes a positioning plate, a positioning bolt, a restraint belt and a buckle. The upper side of the turntable is fixedly connected to two positioning plates by positioning bolts, and two ends of each positioning plate are respectively connected to two restraint belts, and buckles are installed on the restraint belts. The restraint belts cooperate with the buckles to restrain animals, and two positioning plates are provided with two sets of restraint belts to restrain at least the head and tail of the animal to prevent the animal from moving.

[0014] Furthermore, it also includes an extrusion trauma power mechanism, which includes a cylinder, an end shaft and a sleeve. A horizontal cylinder is installed on the upper right end of the seat plate, and an end shaft is installed on the left end of the cylinder. The left end of the cylinder is a telescopic end, and the right end of the trauma power rod is provided with a sleeve corresponding to the end shaft. The telescopic end of the cylinder drives the end shaft to move to the left, and the end shaft cooperates with the sleeve to push the trauma power rod to move to the left. The cylinder steadily extends, so that the switchable trauma end mechanism can squeeze the abdomen of the animal to obtain extrusion-type trauma, which is different from the impact-type trauma obtained when the impact trauma power mechanism is working. It is conducive to obtaining different forms of abdominal trauma animal models, which are closer to the situation of abdominal injuries of soldiers, and are conducive to more accurate research on the process and evolution of human abdominal trauma, and to obtain better treatment measures.

[0015] Compared with the prior art, the device for preparing an abdominal trauma animal model has the following beneficial effects: 1. The dovetail rail and the dovetail slider cooperate so that the trauma power rod can only move stably left and right along the dovetail rail. The initial position baffle limits the right end of the trauma power rod and the dovetail slider. Before each use, the right end of the dovetail slider needs to be pressed against the top left side of the initial position baffle to maintain the consistency of the initial position of the trauma power rod, so as to achieve good reproducibility and stability when preparing the abdominal trauma animal model.

[0016] 2. During preparation, the trauma degree adjustment mechanism can drive the trauma trigger control mechanism and the impact trauma power mechanism to move left and right. When the impact trauma power mechanism moves to the right, the kinetic energy provided to the trauma power rod will be reduced, and the impact force of the switchable trauma end mechanism at the left end of the trauma power rod on the animal's abdomen will be reduced. When the impact trauma power mechanism moves to the left, the kinetic energy provided to the trauma power rod can be increased, and the impact force of the switchable trauma end mechanism at the left end of the trauma power rod on the animal's abdomen will be increased. The trauma on the animal's abdomen can be quantitatively graded. The trauma trigger control mechanism is used to drive the impact trauma power mechanism to move downward. The impact trauma power mechanism drives the trauma power rod to move rapidly to the left by means of the friction force with the trauma power rod. The trauma power rod and the switchable trauma end mechanism move rapidly to the left along the dovetail slide rail, and the abdomen of the experimental animal is impacted by means of the switchable trauma end mechanism, causing impact-type abdominal trauma to the animal, thereby preparing an impact-type abdominal trauma animal model.

[0017] 3. When the animal is hit or squeezed, the inspection side slide moves along the horizontal guide column close to the vertical board. With the help of the pressure sensor, the force of the animal being hit or squeezed can be obtained, and more data can be obtained when preparing the abdominal trauma animal model, which can provide more support for subsequent research and verify the consistency of the prepared abdominal trauma animal model.

[0018] 4. The telescopic end of the cylinder drives the end shaft to move leftward, and the end shaft cooperates with the shaft sleeve to push the trauma power rod to move leftward. The cylinder extends steadily, allowing the switchable trauma end head mechanism to squeeze the animal's abdomen to obtain squeeze-type trauma, which is different from the impact-type trauma obtained when the impact trauma power mechanism is working. It is conducive to obtaining different forms of abdominal trauma animal models, which is closer to the situation of abdominal injuries of soldiers, and is conducive to more accurate research on the process and evolution of human abdominal trauma and obtaining better treatment measures.

[0019] 5. Good reproducibility, good stability, strong repeatability, quantitative grading, wide applicability, simple operation, can reduce the requirements for experimenter experience, and help speed up the research progress of abdominal trauma. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the device for preparing an abdominal trauma animal model according to the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at center A; Figure 3 A schematic diagram of the side structure of the device for preparing an abdominal trauma animal model according to the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the partially enlarged structure at B in the middle; Figure 5 Schematic diagram of the partial structure of the device for preparing the abdominal trauma animal model of the present invention Figure 1 ; Figure 6 For the present invention Figure 5 Side view of the structure; Figure 7 Schematic diagram of the partial structure of the device for preparing the abdominal trauma animal model of the present invention Figure 2 ; Figure 8 For the present invention Figure 7 Side structural diagram; Fig. 9 For the present invention Figure 8 A schematic diagram of the partially enlarged structure at C in the middle; Fig.10 A schematic diagram of the structure of an animal restraint mechanism in a device for preparing an abdominal trauma animal model of the present invention; In the figure: 1 seat plate, 2 trauma path guide mechanism, 21 dovetail slide rail, 22 dovetail slide bar, 23 trauma power rod, 24 initial position baffle, 25 baffle screw, 26 mounting seat, 3 switchable trauma end head mechanism, 31 switch frame, 32 switch shaft, 33 switch rotary rod, 34 stud, 35 screw sleeve, 36 conical head, 37 semicircular head, 38 rotary plate, 39 locking guide column, 310 pull ring, 311 locking hole, 312 switch spring, 313 locking block, 4 trauma degree adjustment mechanism, 41 adjustment rail, 42 rail seat, 43 butterfly bolt, 44 end plate, 45 end plate screw, 46 scale, 5 trauma trigger control mechanism, 51 column, 52 trigger lifting plate, 53 guide sleeve, 54 reset spring, 55 top plate, 56 support, 57 movable shaft, 58 pressing rod, 59 handle, 510 arc convex block, 5 11 pressing column, 6 impact trauma power mechanism, 61 power motor, 62 driving gear, 63 power shaft, 64 transmission gear, 65 conical friction power wheel, 66 motor switch, 7 trauma force detection mechanism, 71 vertical plate, 72 horizontal guide column, 73 detection slide plate, 74 pressure sensor, 75 support plate, 8 animal position adjustment mechanism, 81 vertical guide column, 82 horizontal plate, 83 lead screw, 84 lead screw nut, 85 handwheel, 86 turntable, 87 convex edge, 88 locking arc strip, 89 slot, 810 convex seat, 811 pin shaft, 812 clamping plate, 813 handle, 9 animal restraint mechanism, 91 adjustment screw hole, 92 positioning plate, 93 positioning bolt, 94 restraint belt, 95 buckle, 10 extrusion trauma power mechanism, 101 support plate, 102 fixed seat, 103 cylinder, 104 end shaft, 105 sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] For example, see Figures 1 to 10 This embodiment provides a technical solution: a device for preparing an abdominal trauma animal model, including a seat plate 1, a trauma path guiding mechanism 2, a switchable trauma end mechanism 3 and a trauma degree adjustment mechanism 4.

[0023] The trauma path guiding mechanism 2 includes a dovetail slide rail 21, a dovetail slider 22, a trauma power rod 23, an initial position baffle 24 and a baffle screw 25. A transverse dovetail slide rail 21 is arranged in the middle of the upper side of the seat plate 1. The dovetail slider 22 is slidably connected inside the dovetail slide rail 21. The top of the dovetail slider 22 is fixedly connected to the trauma power rod 23. An initial position baffle 24 is installed on the upper side of the seat plate 1 at a position to the right of the dovetail slide rail 21. The initial position baffle 24 is fixed to the upper side of the seat plate 1 by the baffle screw 25. The dovetail slider 22 and the initial position baffle 24 are arranged correspondingly on the left and right.

[0024] The switchable wound end mechanism 3 is installed at the left end of the wound power rod 23 .

[0025] The switchable trauma end mechanism 3 includes a switching frame 31, a switching shaft 32, a switching rotary rod 33, a stud 34, a screw sleeve 35, a conical head 36 and a semicircular head 37. The left end of the trauma power rod 23 is detachably mounted with the switching frame 31. Specifically, the left end of the trauma power rod 23 is provided with a mounting seat 26, and the mounting seat 26 is fixedly connected to the right end of the switching frame 31 by removing the screws. The left end of the switching frame 31 is rotatably connected with a vertical switching shaft 32. The switching shaft 32 is located on the shaft section inside the left end of the switching frame 31 and is fixedly connected to the middle part of the switching rotary rod 33. Two studs 34 are respectively provided at both ends of the switching rotary rod 33. The two studs 34 are respectively threadedly connected to two screw sleeves 35, wherein a conical head 36 is provided at the end of one screw sleeve 35, and a semicircular head 37 is provided at the end of the other screw sleeve 35. The top of the switching shaft 32 is connected with a switching shaft locking limit assembly. The switching shaft 32 and the switching rotary rod 33 can rotate relative to the switching frame 31, so as to control the conical head 36 or the semicircular head 37 to face the left side. The switching shaft locking limit assembly can lock the switching shaft 32 and the switching frame 31, so that the switching rotary rod 33 is no longer active relative to the switching frame 31, thereby switching the conical head 36 or the semicircular head 37 to perform impact trauma operations on the animal to prepare different forms of trauma, which is more practical. The conical head 36 and the semicircular head 37 are installed at the end of the switching rotary rod 33 with the help of the stud 34 and the screw sleeve 35 to achieve detachable installation. The conical head 36 and the semicircular head 37 of different diameters can be replaced, which is closer to the situation where the soldier suffers abdominal trauma during training or combat.

[0026] The switching shaft locking limit assembly includes a rotary plate 38, a locking guide column 39, a pull ring 310, a locking hole 311, a switching spring 312 and a locking block 313. The top of the switching frame 31 is located on both sides of the switching shaft 32 and has two locking holes 311 respectively. The top of the switching shaft 32 is fixedly connected to one end of the rotary plate 38, and a locking guide column 39 is vertically slidably connected in the sliding hole at the other end of the rotary plate 38. The top of the locking guide column 39 is fixedly connected to the pull ring 310, and the bottom of the locking guide column 39 is fixedly connected to the locking block 313. The column section of the locking guide column 39 between the rotary plate 38 and the locking block 313 is sleeved with the switching spring 312, and the elastic force of the switching spring 312 pushes the locking block 313 into one of the locking holes 311. When the locking pin 313 is in the locked state, the locking pin 313 is in the locked state, and the locking pin 313 is locked in the locked state.

[0027] The trauma degree adjustment mechanism 4 is installed at the front and rear ends of the upper side of the seat plate 1, and the trauma degree adjustment mechanism 4 corresponds to the right end of the dovetail slide rail 21. The trauma degree adjustment mechanism 4 is installed with a trauma trigger control mechanism 5, and the trauma trigger control mechanism 5 is installed with an impact trauma power mechanism 6.

[0028] The trauma degree adjustment mechanism 4 includes an adjustment rail 41, a rail seat 42, a butterfly bolt 43, an end plate 44 and an end plate screw 45. Two horizontal adjustment rails 41 are arranged on the upper side of the seat plate 1. The two adjustment rails 41 are respectively located at the front and rear sides of the right end of the dovetail slide rail 21. Each adjustment rail 41 is slidably connected to a rail seat 42. A butterfly bolt 43 is threadedly connected to the screw hole on the rail seat 42. The butterfly bolt 43 is pressed against the side of the adjustment rail 41. The two ends of each adjustment rail 41 are fixedly connected to two end plates 44 by two end plate screws 45. The adjustment rail 41 guides the moving direction of the rail seat 42, and the end plate 44 limits the two ends of the adjustment rail 41 to prevent the rail seat 42 from separating from the adjustment rail 41. The rail seat 42 moves rightward along the adjustment rail 41 to drive the trauma trigger control mechanism 5 and the impact trauma power mechanism 6 to move rightward. When the working speed of the impact trauma power mechanism 6 is constant, the time for the impact trauma power mechanism 6 to apply friction to the trauma power rod 23 becomes shorter, and the trauma power rod 23 will quickly separate from the impact trauma power mechanism 6. The kinetic energy obtained by the trauma power rod 23 from the impact trauma power mechanism 6 is reduced, which will reduce the impact force of the switchable trauma end mechanism 3 on the animal's abdomen. The leftward movement of the entire rail 41 can drive the trauma trigger control mechanism 5 and the impact trauma power mechanism 6 to move leftward. When the working speed of the impact trauma power mechanism 6 is constant, the time for the impact trauma power mechanism 6 to apply friction to the trauma power rod 23 becomes longer, and the kinetic energy obtained by the trauma power rod 23 from the impact trauma power mechanism 6 increases, which will increase the impact force of the switchable trauma end mechanism 3 on the animal's abdomen, and the trauma to the animal's abdomen can be quantitatively graded. After the rail seat 42 moves to the required position along the adjustment rail 41, tighten the butterfly bolt 43 to fix the rail seat 42 to the adjustment rail 41 together, thereby completing the locking of the position of the trauma trigger control mechanism 5 and the impact trauma power mechanism 6.

[0029] The trauma degree adjustment mechanism 4 also includes a scale 46. The scale 46 is arranged on the side of the seat plate 1. The two ends of the scale 46 correspond to the two ends of the adjustment rail 41, which is conducive to accurately judging the distance that the rail seat 42 moves along the adjustment rail 41 and facilitating quantitative adjustment.

[0030] The trauma trigger control mechanism 5 includes a column 51, a trigger lifting plate 52, a return spring 54, a top plate 55, a pressing rod 58, a handle 59, an arc convex block 510 and a pressing column 511. The tops of the two rail seats 42 are respectively fixedly connected to the bottom ends of the two columns 51, and the tops of the two columns 51 are respectively fixedly connected to the front and rear ends of the top plate 55. The front and rear ends of the trigger lifting plate 52 are respectively vertically slidably connected to the two columns 51. The column sections of each column 51 located between the rail seat 42 and the trigger lifting plate 52 are respectively sleeved with a return spring 54. The side of the trigger lifting plate 52 is fixedly connected to the bottom end of the pressing column 511. A circular guide hole is opened on the top plate 55 to be slidably connected to the top of the pressing column 511. The top of the top plate 55 is located at the rear side of the pressing column 511 and is movably connected to the rear end of the pressing rod 58. The lower side of the pressing rod 58 is provided with an arc convex block 510 corresponding to the top of the pressing column 511, and the front end of the pressing rod 58 is installed with a handle 59. The impact trauma power mechanism 6 is installed on the trigger lifting plate 52.

[0031] Specifically, the trauma trigger control mechanism 5 further includes a guide sleeve 53 . Two guide sleeves 53 are respectively disposed at the front and rear ends of the trigger lifting plate 52 . The two guide sleeves 53 are respectively connected to the two columns 51 in a vertical sliding manner.

[0032] The trauma trigger control mechanism 5 also includes a support 56 and a movable shaft 57 . The top of the top plate 55 is located at the rear side of the pressing column 511 and is fixedly connected to the support 56 . The support 56 is movably connected to the rear end of the pressing rod 58 via the movable shaft 57 .

[0033] In the natural placement state, the elastic force of the return spring 54 keeps the height of the trigger lifting plate 52 and the impact trauma power mechanism 6 stable. At this time, the impact trauma power mechanism 6 is located above the trauma power rod 23. The front end of the pressing rod 58 is pressed downward by the handle 59. The pressing rod 58 presses the pressing column 511 downward by the arc protrusion 510. The trigger lifting plate 52 moves downward along the column 51 by the help of the pressing column 511. The return spring 54 is compressed until the arc protrusion 510 contacts the top surface of the top plate 55. At this time, the impact trauma power mechanism 6 can just apply a leftward force to the trauma power rod 23 through friction. Release the handle 59, the return spring 54 resets and extends, driving the trigger lifting plate 52 to move upward along the column 51, and the impact trauma power mechanism 6 leaves the trauma power rod 23.

[0034] The impact trauma power mechanism 6 includes a power motor 61, a driving gear 62, a power shaft 63, a transmission gear 64 and a conical friction power wheel 65. The trigger lifting plate 52 is rotatably connected to two vertical power shafts 63. The bottom ends of the two power shafts 63 are respectively fixedly connected to two conical friction power wheels 65. The trauma power rod 23 is located below the middle of the two conical friction power wheels 65, and the top front and rear sides of the trauma power rod 23 are respectively provided with two inclined surfaces, which respectively cooperate with the conical surfaces of the two conical friction power wheels 65. The top ends of the two power shafts 63 are respectively fixedly connected to two transmission gears 64, which are meshed and connected with each other. The trigger lifting plate 52 is also equipped with a power motor 61, and the output shaft of the power motor 61 is fixedly connected to the driving gear 62, which is meshed and connected with one of the transmission gears 64. The top diameter of the conical friction power wheel 65 is larger than the bottom diameter. The power motor 61 drives the driving gear 62 to rotate, and the driving gear 62 drives one of the transmission gears 64 to rotate. Since the two transmission gears 64 are meshed and connected, the two transmission gears 64 rotate in opposite directions, and the power shaft 63 drives the two conical friction power wheels 65 to rotate in opposite directions at high speed, wherein the front conical friction power wheel 65 rotates counterclockwise, and the rear conical friction power wheel 65 rotates clockwise. When the lifting plate 52 is triggered to descend, the conical surfaces of the two conical friction power wheels 65 contact the two inclined surfaces on the front and rear sides of the top of the trauma power rod 23. Due to the friction force, the trauma power rod 23 is quickly driven to move to the left, providing power for the switchable trauma end mechanism 3 to impact the animal's abdomen, thereby obtaining an abdominal trauma animal model.

[0035] The impact trauma power mechanism 6 also includes a motor switch 66. The motor switch 66 is installed on the top plate 55. The motor switch 66 is used to control the operation of the power motor 61. The control method thereof adopts the existing technology.

[0036] When in use, the dovetail slide 21 cooperates with the dovetail slider 22 so that the trauma power rod 23 can only move stably left and right along the dovetail slide 21. The initial position baffle 24 limits the right ends of the trauma power rod 23 and the dovetail slider 22. Before each use, the right end of the dovetail slider 22 needs to be pressed against the top left side of the initial position baffle 24 to maintain the consistency of the initial position of the trauma power rod 23. The reproducibility and stability are good when preparing the abdominal trauma animal model. During preparation, the trauma degree adjustment mechanism 4 can drive the trauma trigger control mechanism 5 and the impact trauma power mechanism 6 to move left and right. When the impact trauma power mechanism 6 moves to the right, the kinetic energy provided to the trauma power rod 23 is reduced, and the switching trauma end mechanism 3 at the left end of the trauma power rod 23 is reduced. The impact force on the abdomen of the animal can be increased when the impact trauma power mechanism 6 moves to the left, and the kinetic energy provided to the trauma power rod 23 can be increased, thereby increasing the impact force of the switchable trauma end mechanism 3 at the left end of the trauma power rod 23 on the abdomen of the animal. The trauma on the abdomen of the animal can be quantitatively graded. The trauma trigger control mechanism 5 is used to drive the impact trauma power mechanism 6 to move downward. The impact trauma power mechanism 6 drives the trauma power rod 23 to move rapidly to the left by virtue of the friction force with the trauma power rod 23. The trauma power rod 23 and the switchable trauma end mechanism 3 move rapidly to the left along the dovetail slide rail 21, and the abdomen of the experimental animal is impacted by virtue of the switchable trauma end mechanism 3, causing impact-type abdominal trauma to the animal, thereby preparing an impact-type abdominal trauma animal model.

[0037] For example 2, please refer to Figures 1 to 10 This embodiment provides a technical solution: a device for preparing an abdominal trauma animal model. The structure of this embodiment is roughly the same as that of the first embodiment, except that: A trauma force detection mechanism 7 is also provided, which includes a vertical plate 71, a horizontal guide column 72, a detection slide plate 73, a pressure sensor 74 and a support plate 75. The left end of the seat plate 1 is fixedly connected to the vertical plate 71, and the front and rear ends of the right side of the vertical plate 71 are respectively fixedly connected to the left ends of two horizontal guide columns 72. The two horizontal guide columns 72 are respectively connected to the front and rear sides of the detection slide plate 73 in a horizontal sliding manner. A pressure sensor 74 is installed between the vertical plate 71 and the detection slide plate 73, and the bottom of the detection slide plate 73 is fixedly connected to the left side of the support plate 75. When in use, the animal is tied up and placed on the support plate 75. When the animal is hit or squeezed, the detection slide plate 73 moves along the horizontal guide column 72 to approach the vertical plate 71. With the help of the pressure sensor 74, the force of the animal being hit or squeezed can be obtained, and more data can be obtained when preparing the abdominal trauma animal model, which can provide more support for subsequent research and verify the consistency of the preparation of the abdominal trauma animal model.

[0038] For example 3, please refer to Figures 1 to 10 This embodiment provides a technical solution: a device for preparing an abdominal trauma animal model. The structure of this embodiment is roughly the same as that of the second embodiment, except that: In order to adjust the animal's position and restrain the animal, an animal position adjustment mechanism 8 and an animal restraining mechanism 9 are also provided. The animal position adjustment mechanism 8 includes a height adjustment component, a horizontal plate 82, a turntable 86 and a turntable locking component. The top of the support plate 75 is installed with a horizontal plate 82 through the height adjustment component. The horizontal plate 82 is provided with a circular groove, and a turntable 86 is rotatably installed in the circular groove. The turntable 86 is connected to the horizontal plate 82 through the turntable locking component.

[0039] The height adjustment component includes a vertical guide column 81, a screw 83, a screw nut 84, and a handwheel 85. The four corners of the top of the support plate 75 are fixedly connected to the bottom ends of the four vertical guide columns 81, and the four vertical guide columns 81 are vertically slidably connected to the four corners of the horizontal plate 82. The front side of the horizontal plate 82 is installed with a screw nut 84. The top front side of the support plate 75 is rotatably connected to the bottom end of the screw 83 through a bearing. The screw 83 and the screw nut 84 are matched and connected, and the top of the screw 83 is fixedly connected with a handwheel 85. With the help of the handwheel 85, the screw 83 is rotated clockwise, and the threaded action of the screw 83 and the screw nut 84 drives the horizontal plate 82 to move up along the vertical guide column 81. With the help of the handwheel 85, the screw 83 is rotated counterclockwise, and the threaded action of the screw 83 and the screw nut 84 drives the horizontal plate 82 to move down along the vertical guide column 81, so that the height of the animal can be adjusted.

[0040] The turntable locking assembly includes a convex edge 87, a locking arc strip 88, a slot 89, a convex seat 810, a pin 811, a card plate 812, and a handle 813. A locking arc strip 88 is provided on the top rear side of the horizontal plate 82, and a plurality of slots 89 are provided on the inner side of the locking arc strip 88 at equal angles. The center of the circle where the locking arc strip 88 is located coincides with the center of the turntable 86. A convex seat 810 is fixedly connected to the top rear side of the turntable 86, and the convex seat 810 is movably connected to the card plate 81 through the pin 811. 2, the card plate 812 is engaged with the corresponding card slot 89, and the top rear side of the card plate 812 is connected with a handle 813. The card plate 812 is lifted with the help of the handle 813 to let the card plate 812 escape from the card slot 89. At this time, the turntable 86 can be rotated. After the turntable 86 is rotated to a suitable position, the handle 813 is released, and the card plate 812 falls again due to gravity and engages with the corresponding card slot 89. At this time, the turntable 86 is locked and no longer rotates, so that the placement angle of the animal can be changed in the horizontal direction.

[0041] The height adjustment component is used to drive the horizontal plate 82 to rise and fall, thereby changing the height of the animal's abdominal trauma. The turntable 86 rotates relative to the horizontal plate 82 to change the angle of the animal's abdominal trauma. The turntable locking component is used to lock the turntable 86 and the horizontal plate 82 to maintain the stability of the turntable 86 during preparation. The turntable 86 can be removed from the circular groove to facilitate cleaning of dirt or blood left by the animal when preparing the abdominal trauma animal model.

[0042] The animal restraint mechanism 9 includes a positioning plate 92, a positioning bolt 93, a restraint belt 94 and a buckle 95. The upper side of the turntable 86 is fixedly connected to two positioning plates 92 by the positioning bolt 93. The two ends of each positioning plate 92 are respectively connected to two restraint belts 94, and the buckle 95 is installed on the restraint belt 94.

[0043] The animal restraint mechanism 9 also includes adjustment screw holes 91. Two rows of adjustment screw holes 91 are provided on the upper side of the turntable 86. Two positioning bolts 93 are provided on the positioning plate 92. The two positioning bolts 93 are respectively threadedly connected to the corresponding adjustment screw holes 91. In this way, the fixed position of the positioning plate 92 and the turntable 86 can be changed, and the distance between the two positioning plates 92 can be changed. The restraint position of the animal can be changed according to the specific situation of the animal.

[0044] The restraint belt 94 cooperates with the buckle 95 to restrain the animal. The two positioning plates 92 are provided with two sets of restraint belts 94 to restrain at least the head and tail of the animal to prevent the animal from moving.

[0045] Example 4, please refer to Figures 1 to 10 This embodiment provides a technical solution: a device for preparing an abdominal trauma animal model. The structure of this embodiment is roughly the same as that of the third embodiment, except that: A trauma extrusion power mechanism 10 is also provided for squeezing the abdomen of an animal to obtain an abdominal trauma animal model. The trauma extrusion power mechanism 10 includes a cylinder 103, an end shaft 104 and a sleeve 105. A horizontal cylinder 103 is installed at the upper right end of the seat plate 1, and an end shaft 104 is installed at the left end of the cylinder 103. The left end of the cylinder 103 is a telescopic end, and a sleeve 105 corresponding to the end shaft 104 is provided at the right end of the trauma power rod 23.

[0046] The extrusion trauma power mechanism 10 also includes a support plate 101 and a fixing seat 102. The support plate 101 is arranged at the upper right end of the seat plate 1. Two fixing seats 102 are fixedly connected to the support plate 101 by bolts. The two fixing seats 102 are respectively fixedly sleeved at two ends of a cylinder 103. The cylinder 103 is controlled by an external controller.

[0047] The telescopic end of the cylinder 103 drives the end shaft 104 to move leftward, and the end shaft 104 cooperates with the sleeve 105 to push the trauma power rod 23 to move leftward. The cylinder 103 extends steadily, allowing the switchable trauma end mechanism 3 to squeeze the animal's abdomen to obtain extrusion-type trauma, which is different from the impact-type trauma obtained when the impact trauma power mechanism 6 is working. It is conducive to obtaining different forms of abdominal trauma animal models, which are closer to the situation of abdominal injuries of soldiers, and are conducive to more accurate research on the process and evolution of human abdominal trauma and obtaining better treatment measures.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preparing an abdominal trauma animal model, comprising a seat plate (1), characterized in that: Also includes: The trauma path guiding mechanism (2) comprises a dovetail slide rail (21), a dovetail slide bar (22), a trauma power rod (23) and an initial position baffle plate (24), wherein a transverse dovetail slide rail (21) is arranged in the middle of the upper side of the seat plate (1), a dovetail slide bar (22) is slidably connected inside the dovetail slide rail (21), a trauma power rod (23) is fixedly connected to the top of the dovetail slide bar (22), an initial position baffle plate (24) is installed at a position on the upper side of the seat plate (1) located to the right of the dovetail slide rail (21), and the dovetail slide bar (22) and the initial position baffle plate (24) are arranged correspondingly; A switchable trauma tip mechanism (3) is mounted on the left end of the trauma power rod (23); The trauma degree adjustment mechanism (4) is mounted on the front and rear ends of the upper side of the seat plate (1), and the trauma degree adjustment mechanism (4) corresponds to the right end of the dovetail slide rail (21). The trauma degree adjustment mechanism (4) is mounted with a trauma trigger control mechanism (5), and the trauma trigger control mechanism (5) is mounted with an impact trauma power mechanism (6).

2. The device for preparing an abdominal trauma animal model according to claim 1, characterized in that: The switchable wound end mechanism (3) comprises a switch frame (31), the left end of the wound power rod (23) is detachably mounted with the switch frame (31), the left end of the switch frame (31) is rotatably connected to a vertical switch shaft (32), the switch shaft (32) is located at the shaft section inside the left end of the switch frame (31) and is fixedly connected to the middle part of the switch rotary rod (33), two studs (34) are respectively arranged at both ends of the switch rotary rod (33), the two studs (34) are respectively threadedly connected to two screw sleeves (35), one end of the screw sleeve (35) is provided with a conical head (36), and the other end of the screw sleeve (35) is provided with a semicircular head (37), and the top of the switch shaft (32) is connected to a switch shaft locking limit assembly.

3. The device for preparing an abdominal trauma animal model according to claim 2, characterized in that: The switching shaft locking limit assembly comprises a locking guide column (39); two locking holes (311) are respectively provided at the top of the switching frame (31) at positions on both sides of the switching shaft (32); the top of the switching shaft (32) is fixedly connected to one end of a rotating plate (38); a locking guide column (39) is vertically slidably connected in a sliding hole at the other end of the rotating plate (38); a pull ring (310) is fixedly connected to the top end of the locking guide column (39); and a locking block (313) is fixedly connected to the bottom end of the locking guide column (39); a switching spring (312) is sleeved on a column section of the locking guide column (39) located between the rotating plate (38) and the locking block (313).

4. The device for preparing an abdominal trauma animal model according to claim 1, characterized in that: The trauma degree adjustment mechanism (4) comprises an adjustment rail (41). Two transverse adjustment rails (41) are arranged on the upper side of the seat plate (1). The two adjustment rails (41) are respectively located at the front and rear sides of the right end of the dovetail slide rail (21). Each adjustment rail (41) is slidably connected to a rail seat (42). A butterfly bolt (43) is threadedly connected to a screw hole on the rail seat (42). Two end plates (44) are respectively fixedly connected to the two ends of each adjustment rail (41).

5. The device for preparing an abdominal trauma animal model according to claim 4, characterized in that: The trauma trigger control mechanism (5) comprises a trigger lifting plate (52), the tops of the two rail seats (42) are respectively fixedly connected to the bottoms of the two upright posts (51), the tops of the two upright posts (51) are respectively fixedly connected to the front and rear ends of the top plate (55), the front and rear ends of the trigger lifting plate (52) are respectively vertically slidably connected to the two upright posts (51), and the column section of each upright post (51) between the rail seat (42) and the trigger lifting plate (52) is respectively sleeved with a return spring (54). The side of the trigger lifting plate (52) is fixedly connected to the bottom end of the pressing column (511), and a circular guide hole slidably connected to the top of the pressing column (511) is opened on the top plate (55). The top of the top plate (55) is located at the rear side of the pressing column (511) and is movably connected to the rear end of the pressing rod (58). The lower side of the pressing rod (58) is provided with an arc convex block (510) at a position corresponding to the top of the pressing column (511), and a handle (59) is installed at the front end of the pressing rod (58).

6. The device for preparing an abdominal trauma animal model according to claim 5, characterized in that: The impact trauma power mechanism (6) comprises a power motor (61) and a conical friction power wheel (65); the trigger lifting plate (52) is rotatably connected to two vertical power shafts (63); the bottom ends of the two power shafts (63) are respectively fixedly connected to the two conical friction power wheels (65); the trauma power rod (23) is located below the middle of the two conical friction power wheels (65); and the front and rear sides of the top of the trauma power rod (23) are respectively provided with two inclined surfaces, which respectively cooperate with the conical surfaces of the two conical friction power wheels (65); the top ends of the two power shafts (63) are respectively fixedly connected to two transmission gears (64), and the two transmission gears (64) are meshed with each other; the trigger lifting plate (52) is also equipped with a power motor (61); the output shaft of the power motor (61) is fixedly connected to a driving gear (62), and the driving gear (62) is meshed with one of the transmission gears (64).

7. The device for preparing an abdominal trauma animal model according to claim 1, characterized in that: The device also comprises a trauma force detection mechanism (7), wherein the trauma force detection mechanism (7) comprises a pressure sensor (74); the left end of the seat plate (1) is fixedly connected to a vertical plate (71); the front and rear ends of the right side of the vertical plate (71) are respectively fixedly connected to the left ends of two transverse guide columns (72); the two transverse guide columns (72) are respectively connected to the front and rear sides of a detection slide plate (73) in a transverse sliding manner; a pressure sensor (74) is installed between the vertical plate (71) and the detection slide plate (73); and the bottom of the detection slide plate (73) is fixedly connected to the left side of a support plate (75).

8. The device for preparing an abdominal trauma animal model according to claim 7, characterized in that: The animal position adjustment device also includes an animal position adjustment mechanism (8), the animal position adjustment mechanism (8) includes a height adjustment component, a horizontal plate (82), a turntable (86) and a turntable locking component, the top of the support plate (75) is mounted with the horizontal plate (82) via the height adjustment component, the horizontal plate (82) is provided with a circular groove, the turntable (86) is rotatably mounted in the circular groove, and the turntable (86) is connected to the horizontal plate (82) via the turntable locking component.

9. The device for preparing an abdominal trauma animal model according to claim 8, characterized in that: The device also comprises an animal restraint mechanism (9), wherein the animal restraint mechanism (9) comprises a positioning plate (92), a positioning bolt (93), a restraint belt (94) and a buckle (95); the upper side of the turntable (86) is fixedly connected to two positioning plates (92) via positioning bolts (93); two ends of each positioning plate (92) are respectively connected to two restraint belts (94); and the restraint belts (94) are provided with buckles (95).

10. The device for preparing an abdominal trauma animal model according to claim 1, characterized in that: The invention also comprises an extrusion trauma power mechanism (10), wherein the extrusion trauma power mechanism (10) comprises a cylinder (103), an end shaft (104) and a sleeve (105); a horizontal cylinder (103) is mounted on the upper right end of the seat plate (1); an end shaft (104) is mounted on the left end of the cylinder (103); and a sleeve (105) corresponding to the end shaft (104) is arranged on the right end of the trauma power rod (23).

Images