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Surgical tool for force and distance measurement

A surgical tool and force measurement technology, applied in the field of medical devices, to achieve the effects of prolonging the service life, protecting bones, and preventing improper depth of opening

Active Publication Date: 2020-03-17
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Bone strength is an important characteristic of a patient's bone. The level of bone strength plays an important role in the treatment plan and prognosis evaluation of the patient. The strength required for opening the hole is a direct and effective means to measure the bone strength. A device for accurately measuring the opening force

Method used

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  • Surgical tool for force and distance measurement
  • Surgical tool for force and distance measurement
  • Surgical tool for force and distance measurement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Attached below Figure 1-Figure 8 The present invention is described in detail, specifically, the structure is as follows:

[0042] This embodiment provides a surgical tool for force and distance measurement, including a knife handle 1, a knife bar and a knife head 3, one end of the knife bar is detachably connected to the knife handle 1, and the other end of the knife bar is connected to the knife head 3. Detachable connection for easy replacement of different types of cutter heads. 3. A transparent cutter housing 2 is installed on the outside of the cutter rod to prevent outside air and bacteria from entering, and the interior of the cutter rod housing 2 is vacuum-sealed to effectively prevent bacteria from growing. The tool bar housing 2 is a telescopic structure.

[0043] In this embodiment, the top of the knife rod is provided with threads, such as Figure 4 and Figure 5 As shown, the top of the knife rod is provided with an internal thread, the head of the kni...

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Abstract

The invention discloses a surgical tool for force and distance measurement. The surgical tool solves the problems that the tapping depth is not easy to grasp and the stress is not easy to measure in the prior art. The penetration distance of the surgical tool can be detected in real time. The stress of the surgical tool can be detected in real time. Working requirements of different types can be met by replacing a tool bit. According to the technical scheme, the surgical tool comprises a knife handle, a knife rod and a knife head. One end of the knife rod is detachably connected with the knifehandle, and the other end of the knife rod is detachably connected with the knife head. A transparent casing is installed on the outer side of the knife rod. An illuminating lamp is fixed on one sideof the knife rod. The knife rod comprises a thrust mechanism. The thrust mechanism is connected with a force measuring mechanism and can drive the force measuring mechanism to move.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a surgical tool for force measurement and distance measurement. Background technique [0002] In current orthopedic surgery, bone internal fixation is mainly done by implanting metal materials into the human body, and then fixing them with steel plates, steel nails, etc., and taking out the steel plates and steel nails after the broken bone has healed. Before the steel nail is fixed, the bone needs to be drilled. Due to differences in the strength of the outer wall and inner bone of the same person, and individual differences among different people, doctors cannot accurately grasp the depth of the opening. If the hole is too shallow, the fixation of the steel nail will be unstable, which will affect the treatment effect, and if the hole is too deep, it will cause damage to the bone. [0003] Currently, physicians determine the depth of the opening simply by marking ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16A61B90/00A61B90/30
CPCA61B17/1604A61B17/1659A61B90/06A61B90/08A61B90/30A61B2090/061A61B2090/065A61B2090/08021A61B17/16A61B17/1626A61B2017/00221A61B2090/062A61B2090/064A61B5/00
Inventor 姬冰杨帆司萌丛梦琳马鹤成
Owner SHANDONG UNIV
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