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A device for testing mechanical properties of biological soft tissue

A technology of biological soft tissue and testing device, applied in the field of medical devices, can solve the problem of inability to obtain mechanical performance parameters of biological soft tissue, and achieve the effects of accurate force model, simple operation and reduced error

Active Publication Date: 2018-03-13
吉林省金博弘智能科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing biological soft tissue mechanical property testing device cannot obtain the mechanical property parameters of biological soft tissue under surgical instruments during clinical operation, the present invention further proposes a biological soft tissue mechanical property testing device

Method used

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  • A device for testing mechanical properties of biological soft tissue
  • A device for testing mechanical properties of biological soft tissue
  • A device for testing mechanical properties of biological soft tissue

Examples

Experimental program
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specific Embodiment approach 1

[0016] Specific implementation mode one: combine Figure 1 to Figure 3 Describe this embodiment, a biological soft tissue mechanical performance test device described in this embodiment includes a mechanical arm 1, a first module 2, a second module 3, a third module 4, a first guide rail assembly 5, a second guide rail Component 6, box body 7, big frame 8, fixture 9 and a plurality of anchor screws 10, box body 7 is made up of upper cover 7-1, front plate 7-2, rear plate 7-3, left side plate 7-4, Right side plate 7-5 and base plate 7-6 are formed, and left side plate 7-4 is vertically installed on the left side of base plate 7-6 upper surface, and right side plate 7-5 is vertically installed on the left side of base plate 7-6 upper surface. Right side, left side plate 7-4, right side plate 7-5, base plate 7-6 form base assembly, and front plate 7-2 is vertically installed on the front end of loam cake 7-1 lower surface, and rear plate 7-3 vertical Installed directly on the re...

specific Embodiment approach 2

[0017] Specific implementation mode two: combination Figure 4 and Figure 5To illustrate this embodiment, the mechanical arm 1 of a device for testing the mechanical properties of soft biological tissues described in this embodiment includes a first connecting plate 1-1, a first rotating joint 1-2, a second rotating joint 1-3 and a third rotating joint Joint joint 1-4, the third rotary joint 1-4 is installed on the third module 4 through the first connecting plate 1-1, the second rotary joint 1-3 is connected with the third rotary joint 1-4, the first rotary joint The joint 1-2 is connected with the second rotary joint 1-3; the first rotary joint 1-2 includes a first stepper motor 1-21, a first bearing end cover 1-22, a first angular contact ball bearing 1-23, The second angular contact ball bearing 1-24, the first bearing seat 1-25, the first plate 1-26, the second plate 1-27, the third plate 1-28, the first spindle 1-29 six-dimensional sensor 1- 210, sensor flange 1-211, ...

specific Embodiment approach 3

[0018] Specific implementation mode three: combination Figure 6 Describe this embodiment, the first module 2, the second module 3, and the third module 4 of the biological soft tissue mechanical performance testing device described in this embodiment have the same structure, and the first module 2, the second module 3. The third module 4 includes a module motor 2-1, a module protection cover 2-2, a module sliding table 2-3, a module slider 2-4, a module motor flange 2-5, a module Set screw 2-6, coupling 2-7, first limit switch 2-8, origin switch 2-9 and second limit switch 2-10, module slider 2-4 is installed on the module wire On the bar 2-6, the module sliding table 2-3 is installed on the module slider 2-4, the module protective cover 2-2 is installed on the upper surface of the module, and the module motor 2-1 passes through the module motor flange 2-5 is connected with module leading screw 2-6. Other components and connections are the same as those in the first embodim...

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Abstract

The invention relates to a mechanics performance testing device, in particular to a mechanics performance testing device for biological soft tissue, which aims to solve the problem that an existing mechanics performance testing device for biological soft tissue cannot acquire mechanics performance parameters of biological soft tissue under surgical instruments in clinical operation process. The mechanics performance testing device comprises a mechanical arm, a first module, a second module, a third module, a first guide rail component, a second guide rail component, a box, a big frame, a clamp and a plurality of foundation bolts, wherein the box comprises an upper cover, a front plate, a rear plate, a left lateral plate, a right lateral plate and a base plate; the left lateral plate is vertically mounted on the left side of the upper surface of the base plate; the right lateral plate is vertically mounted on the right side of the upper surface of the base plate; the left lateral plate, the right lateral plate and the base plate form a base component; the front plate is vertically mounted at the front end of the lower surface of the upper cover; the rear plate is vertically mounted at the rear end of the lower surface of the upper cover; the upper cover, the front plate and the rear plate form an upper cover component; the upper cover component is buckled on the base component to form the box. The mechanics performance testing device belongs to the field of medical apparatus and instruments.

Description

technical field [0001] The invention relates to a mechanical property testing device, in particular to a biological soft tissue mechanical property testing device, which belongs to the field of medical devices. Background technique [0002] Minimally invasive surgery has attracted widespread attention because it can greatly reduce the damage caused during the operation, and has achieved important developments in recent years. At present, there are many surgical procedures using minimally invasive surgical treatment techniques. However, minimally invasive surgical procedures require complex manipulations to dissect, resect, and repair tissue, including diagnosis using minimally invasive surgical methods. These all require the physician to have a detailed understanding of the tissue's responsive properties when the tool interacts with the tissue. The lack of feedback information between tools and tissues is a key restrictive factor in the development of minimally invasive su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/00
CPCG01N3/00
Inventor 冯美李彦超董光友王之宇李珍珠张超鹏
Owner 吉林省金博弘智能科技有限责任公司
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