Medical catheter head end capable of measuring contact force

A medical catheter and force measurement technology, which is applied in the field of medical devices, can solve problems such as perforation and edema, and achieve the effects of improving measurement accuracy, reducing errors, and improving safety

Active Publication Date: 2015-12-16
LEPU MEDICAL TECH (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Obviously, this kind of radiofrequency ablation is performed manually by experienced doctors, but because it is difficult for human hands to accurately control the force of the catheter tip against human tissue, complications such as perforation and edema often occur during radiofrequency ablation occur

Method used

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  • Medical catheter head end capable of measuring contact force
  • Medical catheter head end capable of measuring contact force
  • Medical catheter head end capable of measuring contact force

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] The so-called head end and tail end refer to the support member 205, the end near the support member 205 is the tail end, and the far end relative to the support member 205 is the head end.

[0026] The invention discloses a medical catheter head end capable of measuring contact force, which includes a head end electrode arra...

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Abstract

The invention provides a medical catheter head end capable of measuring contact force. The medical catheter head end capable of measuring contact force comprises a head end electrode, a force measuring module and a fixed connection piece. The head end electrode and the force measuring module are fixed together through the fixed connection piece. The force measuring module comprises a slider body, a rigid beam and a supporting piece fixedly connected to the rigid beam. A plurality of stretching slider components are arranged on the slider body. The rigid beam is provided with an inner cavity which is through in the axial direction. A plurality of sliding resistors are arranged on the supporting piece. The slider components correspond to the sliding resistors one to one through resistor probes installed at the tail ends of the components. During a radiofrequency operation, the medical catheter head end capable of measuring contact force judges the ablation depth by measuring pressure of the heart making contact with the catheter head end or artery tissue rich in the sympathetic nerve, reliable contact force data supporting is provided for a doctor, the doctor can select reasonable ablation power and time, and it can be guaranteed that safety of the high radiofrequency ablation operation is improved within a safety value range.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a medical catheter head end with measurable contact force. Background technique [0002] In medical interventional operations, radiofrequency ablation catheters are widely used in the treatment of atrial fibrillation, arrhythmia, refractory hypertension and other diseases. The method of using the catheter is to insert the radiofrequency ablation catheter through the blood vessel into the heart or an artery rich in sympathetic nerves by puncturing the femoral artery or the radial artery with the assistance of an X-ray machine, and perform radiofrequency ablation of the lesion. [0003] Obviously, this kind of radiofrequency ablation is performed manually by experienced doctors, but because it is difficult for human hands to accurately control the force of the catheter tip against human tissue, complications such as perforation and edema often occur during radiofrequency ab...

Claims

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Application Information

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IPC IPC(8): A61B18/12
Inventor 丁毅寿蔡杰刘万兵蒲忠杰
Owner LEPU MEDICAL TECH (BEIJING) CO LTD
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