CN211023257U - Animal fracture molding device - Google Patents

Animal fracture molding device Download PDF

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Publication number
CN211023257U
CN211023257U CN201920829171.3U CN201920829171U CN211023257U CN 211023257 U CN211023257 U CN 211023257U CN 201920829171 U CN201920829171 U CN 201920829171U CN 211023257 U CN211023257 U CN 211023257U
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CN
China
Prior art keywords
impact
animal
support
osteotome
fracture
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Expired - Fee Related
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CN201920829171.3U
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Chinese (zh)
Inventor
周后德
刘红
杨新凤
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Second Xiangya Hospital of Central South University
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Second Xiangya Hospital of Central South University
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Priority to CN201920829171.3U priority Critical patent/CN211023257U/en
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Publication of CN211023257U publication Critical patent/CN211023257U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an animal fracture modeling device, the utility model relates to a medical science/mechanics laboratory glassware, for providing a section can be mastered and establish more accurate animal fracture model's device by the experimenter accuracy, the utility model provides a following technical scheme: a mould-making device for animal fracture is composed of a heavy hammer, a supporter, a stress measurer, an impact mechanism on said supporter and able to be movably connected up and down, a bone knife mechanism under said impact mechanism and linked with said impact mechanism, and an animal supporting mechanism under said bone knife mechanism. The beneficial effects of the utility model reside in that: the utility model provides a make mould device, accurate establishment fracture model, the model is more accurate, more homogenization, can also fall to minimum to the injury of muscle, tissue etc. when simulating the fracture.

Description

Animal fracture molding device
Technical Field
The utility model relates to a medical science laboratory glassware particularly, relates to an animal fracture molding device.
Background
Fracture is a common disease, so the rehabilitation research is not stopped all the time, and the research is ongoing, and in clinical experiments, in order to research fracture, animals are generally simulated to fracture, and then the treatment and the disease condition are researched, so that the breakthrough is expected. The existing animal fracture simulation machine has the defects of poor simulation type, uneven manufactured fracture model and the like, has certain defects in evaluating the state of an illness and the treatment effect, and particularly does not achieve the effect of simulating more accurately when the influence of muscles and nerves around a bone on fracture recovery is researched, so that the existing simulation device is necessary to provide an animal fracture modeling device which can be accurately mastered by a medical researcher and simulates more accurately and has good repeatability.
SUMMERY OF THE UTILITY MODEL
In order to solve the above mentioned problem, the utility model provides a following technical scheme:
a mould-making device for animal fracture is composed of a heavy hammer, a stress measurer, a supporter, an impact mechanism on said supporter and able to be movably connected up and down, a bone knife mechanism under said impact mechanism and linked with said impact mechanism, and an animal supporting mechanism under said bone knife mechanism. The heavy hammer can be set by different weights according to actual research requirements; the stress size measuring device can be arranged on the surface of the shield cutter or on the impact mechanism; the reset device can reset immediately after the impact action is finished; recent studies have shown that: the reduction device has the advantages that tissues such as periosteum, muscles and nerves around bones and the like have important effects on fracture repair, the reduction device has the effect that the osteotome mechanism can rebound rapidly after being lowered to cause fracture of animals, and the damage effect caused by the fact that the osteotome mechanism stays to press the periosteum and the muscles and nerves around the fracture is greatly reduced, so that the influence of the tissues such as the periosteum, the muscles and the nerves around the bones and the like on the fracture repair can be continuously discussed in subsequent research.
Furthermore, the impact mechanism comprises an impact disc, a heavy hammer guide rod arranged on the impact disc and a guide mechanism connected with the bottom of the impact disc, the heavy hammer guide rod can ensure that the gravity center of the heavy hammer is maintained on the same straight line in the falling process, failure of a fracture experiment caused by unstable gravity center is avoided, and the guide mechanism also has the function of ensuring the uniqueness of the gravity center and avoiding the change of the gravity center in the experiment process. The stress measuring device can be arranged on the impact disc or the blunt knife and directly senses the pressure acting on the surface of the impact disc or the blunt knife.
Preferably, the impact disc is provided with a first impact force sensor device for measuring the impact force of the heavy hammer, the bottom of the resetting device is provided with a second impact force sensor device for measuring the compression force of the resetting device, and the first impact force sensor device and the second impact force sensor device are used for solving the problem that the force measured by the weight is not accurate at present, so that the impact force is not well controlled in the experimental process.
Furthermore, the guide mechanism comprises three screw devices which are uniformly arranged by taking the heavy hammer guide rod as the center, the tail end of each screw device is connected with a supporting plate of the osteotome mechanism, and the three uniformly arranged screw devices can further stabilize the center of gravity, ensure that the center is not changed during impact, and obtain the expected impact effect.
Furthermore, the support including first supporting platform, locate the second supporting platform of first supporting platform top and locate the third supporting platform of second supporting platform top, first supporting platform, second supporting platform and third supporting platform pass through screw rod supporting mechanism fixed connection, three supporting platform passes through screw rod supporting mechanism fixed connection, consequently, can adjust three supporting platform's relative position through the position of nut in the adjusting screw device to adjust the distance between osteotome mechanism and the animal supporting mechanism, acquire different fracture symptoms, can also adjust resetting means's compressed degree simultaneously, thereby adjustment resetting means's dynamics that resets.
Further, the support still including locating the base of first supporting platform below, screw rod supporting mechanism fix the base on, screw rod supporting mechanism on be equipped with the knurling button of adjusting first supporting platform position height, the effect of base lies in further maintaining the stability of whole device, can also further rise or descend animal supporting mechanism, adjustment osteotome mechanism and animal supporting mechanism distance through adjusting the knurling button when necessary.
Furthermore, the resetting device is arranged between the supporting plate of the osteotome mechanism and the second supporting platform.
Further, the reset device is a spring device.
The osteotome mechanism comprises an osteotome and a screw rod which is connected with the osteotome mechanism supporting plate and can adjust the position up and down.
The beneficial effects of the utility model reside in that: animal fracture analogue means, the weight falls along the weight guide bar during use, and impact mechanism falls under the effect of weight impact force, osteotome mechanism and impact mechanism interlock, the whereabouts simultaneously, and the experimental animal is placed on the animal supporting mechanism, can simulate the fracture disease of equidimension according to the height that actual osteotome mechanism descends after osteotome mechanism falls, after the fracture simulation is accomplished, impact mechanism kick-backs rapidly under resetting means's effect to drive osteotome mechanism and reset rapidly. The pressure acting on the impact mechanism or the blunt blade surface can be read in real time by a stress magnitude measuring device. The utility model provides a simulation device, the simulation symptom is fast, accurate, can also fall to minimum to the injury of muscle, tissue etc. when simulating the fracture.
Drawings
FIG. 1 is a simplified schematic diagram of the present invention;
fig. 2 is a simple schematic diagram of the utility model after the impact force sensor is added.
Detailed Description
The invention will be further explained and explained with reference to the drawings.
Referring to fig. 1, an animal fracture simulator comprises a heavy hammer (1), a support (2), an impact mechanism (3) which is arranged on the support (2) and can be movably connected up and down, a osteotome mechanism (4) which is arranged below the impact mechanism (3) and is interlocked with the impact mechanism (3), and an animal support mechanism (5) which is arranged below the osteotome mechanism (4), wherein a reset device (6) which enables the impact mechanism (3) to reset upwards is arranged between the support (2) and the impact mechanism (3). During the use, on placing animal supporting mechanism (5) with the animal of experiment (mouse or rabbit etc.), weight (1) whereabouts, the impact mechanism (3), impact mechanism (3) whereabouts in the twinkling of an eye, osteotome mechanism (4) also whereabouts in the twinkling of an eye simultaneously, also accomplish in the twinkling of an eye the fracture of experimental animal, then, impact mechanism (3) kick-backs in proper order under resetting means's (6) effect, avoids osteotome dwell time overlength to cause further injury to tissues such as muscle, nerve around periosteum and the bone, remains the completion of the tissue such as muscle, nerve around periosteum and the bone as far as to study its research to the effect of the recovery of fracture.
In actual operation, because the force needed for creating the fracture of different animals is different and the force needed for different fracture conditions (such as comminuted fracture and general fracture) is different, the weight (1) can adopt different weights according to actual research needs, such as weights with specific weights, so as to meet the research needs.
The impact mechanism (3) comprises an impact disc (31), a weight guide rod (32) arranged on the impact disc (31) and a guide mechanism (33) connected with the bottom of the impact disc (31), the weight guide rod (32) can ensure that the gravity center of the weight (1) is maintained on the same straight line in the falling process, failure of fracture experiments caused by unstable gravity center is avoided, and the guide mechanism also has the function of ensuring the uniqueness of the gravity center and avoiding the change of the gravity center in the experiment process.
As shown in fig. 2, a first impact force sensor device (35) (Model: NOS-F306, nosus) for measuring the impact force of the weight is arranged on the impact plate, a second impact force sensor device (Model: NOS-F306, nosus) (61) for measuring the compression force of the resetting device is arranged at the bottom of the resetting device, the first impact force sensor device (35) and the second impact force sensor device (61) are used for measuring the impact force applied to the experimental animal, and the first impact force sensor device (35) and the second impact force sensor device (61) are electrically connected with an external device to calculate the corresponding impact force. In addition, in order to accurately grasp the impact force of each time, the weight guide rod is also provided with scales so as to accurately compare the descending height of the weight each time, thereby adjusting the proper impact force.
As shown in the figure, the guiding mechanism (33) comprises three screw devices which are uniformly arranged by taking a weight guide rod as a center, the three uniformly arranged screw devices can further stabilize the center of gravity, the tail ends of the screw devices are connected with a osteotome mechanism supporting plate (34), the bottom of the osteotome mechanism supporting plate (34) is connected with an osteotome mechanism (4) which is interlocked with the osteotome mechanism supporting plate (34), nuts (341) are arranged on the three screw devices and above and at the bottom of the osteotome mechanism supporting plate (34), and the position of the nut (341) is adjusted to further adjust the resetting force of the resetting device (6), in addition, the osteotome mechanism (4) can be lifted or lowered to adjust the relative position of the osteotome and the animal supporting mechanism (5).
The osteotome mechanism (4) comprises an osteotome and a screw rod which is connected with the osteotome mechanism supporting plate (34) and can adjust the position up and down.
The support (2) comprises a first supporting platform (21), a second supporting platform (22) arranged above the first supporting platform (21) and a third supporting platform (23) arranged above the second supporting platform (22), the first supporting platform (21), the second supporting platform (22) and the third supporting platform (23) are fixedly connected through a screw supporting mechanism (7), and the three supporting platforms (21, 22 and 23) are fixedly connected through the screw supporting mechanism (7), so that the relative positions of the three supporting platforms can be adjusted through the positions of nuts in the screw supporting mechanism (7), the distance between the osteotome mechanism and the animal supporting mechanism is adjusted, and the fracture symptoms which cannot be obtained are obtained, for example, nuts (71) are arranged on the screw supporting mechanism (7) and above and below the second supporting platform (22), and the nuts above the second supporting platform (22) are visible in the figure, the nut at the bottom of which is not shown, the nut (71) has one function of fixing the position of the second support platform (22), and has the second function of adjusting the position of the second support platform (22) by adjusting the position of the nut (71) up and down, thereby adjusting the resetting force of the resetting device (6), and has the third function of adjusting the position of the nut (71) up and down.
Support (2) still including base (8) of locating first supporting platform (21) below, screw rod supporting mechanism (7) fix base (8) on, screw rod supporting mechanism (7) on be equipped with knurling button (72) of adjusting first supporting platform (21) position height, through adjusting knurling button (72), rise or descend first supporting platform (21) to the distance of adjustment animal supporting mechanism (5) and osteotome.
The return means (6) in the figures is a spring means which is provided between the blade mechanism support plate (34) and the second support platform (22).

Claims (10)

1. The animal fracture molding device is characterized by comprising a heavy hammer, a support, an impact mechanism, a osteotome mechanism and an animal support mechanism, wherein the impact mechanism is arranged on the support and can be movably connected up and down, the osteotome mechanism is arranged below the impact mechanism and is interlocked with the impact mechanism, the animal support mechanism is positioned below the osteotome mechanism, and a reset device for enabling the impact mechanism to reset upwards is arranged between the support and the impact mechanism.
2. The animal bone fracture modeling apparatus of claim 1, wherein the impact mechanism comprises an impact plate, a weight guide rod disposed on the impact plate, and a guide mechanism connected to the bottom of the impact plate.
3. The animal fracture modeling apparatus of claim 2, wherein the impact plate is provided with a first impact force sensor for measuring the impact force of the weight.
4. The animal bone fracture modeling apparatus of claim 2, wherein the guiding mechanism comprises three screw devices evenly arranged with the weight guiding rod as the center, and the end of the screw device is connected with the supporting plate of the osteotome mechanism.
5. The animal fracture modeling apparatus of claim 1, wherein a second impact force sensor device is provided at the bottom of the reduction device for measuring the compression force of the reduction device.
6. The animal fracture modeling apparatus of claim 1, wherein the support comprises a first support platform, a second support platform disposed above the first support platform, and a third support platform disposed above the second support platform, wherein the first support platform, the second support platform, and the third support platform are fixedly connected by a screw support mechanism.
7. The animal bone fracture modeling device of claim 6, wherein the bracket further comprises a base disposed below the first support platform, the screw support mechanism is fixed on the base, and a knurled button is disposed on the screw support mechanism for adjusting the height of the first support platform.
8. The animal fracture modeling apparatus of claim 4, wherein the reduction device is disposed between the osteotome mechanism support plate and the second support platform.
9. The animal fracture modeling apparatus of claim 1, wherein the restoring means is a spring means.
10. The animal bone fracture modeling apparatus of claim 1, wherein the osteotome mechanism includes an osteotome and a screw rod that is connected to a supporting plate of the osteotome mechanism and is adjustable in position.
CN201920829171.3U 2019-06-04 2019-06-04 Animal fracture molding device Expired - Fee Related CN211023257U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920829171.3U CN211023257U (en) 2019-06-04 2019-06-04 Animal fracture molding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920829171.3U CN211023257U (en) 2019-06-04 2019-06-04 Animal fracture molding device

Publications (1)

Publication Number Publication Date
CN211023257U true CN211023257U (en) 2020-07-17

Family

ID=71542135

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920829171.3U Expired - Fee Related CN211023257U (en) 2019-06-04 2019-06-04 Animal fracture molding device

Country Status (1)

Country Link
CN (1) CN211023257U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200717

CF01 Termination of patent right due to non-payment of annual fee