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Quality detection-oriented method for measuring atraumatic hemostatic forceps jaw clamping force

A measuring method and non-destructive technology, applied in force/torque/work measuring instruments, measuring devices, instruments, etc., can solve the problems such as the lack of a method for measuring the clamping force of the jaws of hemostatic forceps, and achieve convenient operation and simple principle. Effect

Inactive Publication Date: 2011-09-21
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, there is no specific method for measuring the clamping force of the hemostat jaws

Method used

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  • Quality detection-oriented method for measuring atraumatic hemostatic forceps jaw clamping force
  • Quality detection-oriented method for measuring atraumatic hemostatic forceps jaw clamping force
  • Quality detection-oriented method for measuring atraumatic hemostatic forceps jaw clamping force

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Embodiment Construction

[0021] The specific implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples, but the protection scope of the present invention should not be limited thereby.

[0022] The device for measuring the clamping force of the jaws of non-injury hemostats based on the present invention consists of four parts: a base, a jaw hinge hole positioning mechanism, a jaw positioning and force measuring mechanism, and a finger ring applying force and positioning mechanism. The jaw hinge hole positioning mechanism is fixed on the base, and the pins on it are used for positioning the jaw hinge hole of the non-injury hemostat. The jaw positioning and force measuring mechanism has three degrees of freedom of forward and backward movement, up and down movement, and left and right movement. For positive pressure measurement, the digital display is used to display the measurement data. The positioning of the ja...

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Abstract

The invention discloses a quality detection-oriented method for measuring atraumatic hemostatic forceps jaw clamping force, comprising the following steps: 1) preparing a specimen to be detected; 2) preliminarily adjusting the jaw positioning and dynamometric mechanism of an atraumatic hemostatic forceps jaw clamping force measuring device; 3) adjusting the jaw hinge hole positioning mechanism ofthe atraumatic hemostatic forceps jaw clamping force measuring device and positioning the jaw hinge hole; and 4) adjusting the finger cot force applying and positioning mechanism of the atraumatic hemostatic forceps jaw clamping force measuring device step by step. The measurement method in the invention facilitates manufacturers to accurately measure the jaw clamping force of hemostatic forceps with proven models or still in an improved trail-production stage so as to identify quality.

Description

technical field [0001] The invention relates to the technical field of medical device detection, in particular to a method for measuring the clamping force of the jaws of a non-destructive hemostat oriented to quality detection. Background technique [0002] In the clinical application of hospital surgery, hemostatic clamp is a commonly used medical device. During the operation, when the jaws of the hemostat are clamped from the open state to the closed state, the clamping force between the two jaws is a process of gradually increasing from zero. The magnitude of the clamping force is directly related to the degree of deformation of the pliers handle. [0003] In the early stage of the clamping process, the number of buckles at the end of the pliers handle is less, the degree of deformation of the pliers handle is smaller, and the clamping force between the two jaws is also smaller. As the number of teeth at the end of the pliers handles gradually increases, the degree of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/00
Inventor 闫士举王殊轶周颖
Owner UNIV OF SHANGHAI FOR SCI & TECH