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Autonomously controllable pull wire injection catheter, robotic system comprising said catheter and method for operating the same

An injection catheter and an autonomous control technology, which are applied to an autonomously controllable pull-wire injection catheter, a robotic system including the catheter and the field of operation thereof, which can solve the problems of low electrical conductivity, poor ability of the heart to efficiently pump, and the like

Active Publication Date: 2018-03-30
羅蓋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heart becomes less able to function and pump efficiently due to scar tissue that has low electrical conductivity and therefore cannot contract, which most likely leads to congestive heart failure

Method used

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  • Autonomously controllable pull wire injection catheter, robotic system comprising said catheter and method for operating the same
  • Autonomously controllable pull wire injection catheter, robotic system comprising said catheter and method for operating the same
  • Autonomously controllable pull wire injection catheter, robotic system comprising said catheter and method for operating the same

Examples

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Embodiment Construction

[0131] figure 1 A schematic diagram of an autonomously controllable pullwire injection catheter 1 according to an embodiment of the invention is depicted. The catheter 1 comprises an outer catheter guide 2 and an inner operating catheter 3 , wherein the inner diameter of the outer catheter guide housing 39 is large enough to allow the inner operating catheter 3 to pass through the outer catheter guide 2 . The inner operating catheter 3 further comprises a needle channel 4 with a 0.5 mm (25 gauge) nitinol needle 5 in the distal region 6 . The inner working catheter 3 comprises reference ring electrodes 7 a , 7 b in the distal region 6 , wherein the sensor 7 b is arranged at the tip 10 of the inner working catheter 3 and the reference ring 7 a is near the tip 10 . The electrodes 7a, 7b have connections extending along the inner operating catheter 3 to the proximal region 8 to be activated by the proximal connections, ie connections to a microcontroller (not shown). Furthermor...

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Abstract

The invention relates to an autonomously controllable pull wire injection catheter comprising an outer catheter guide having an outer catheter guide casing and an inner operating catheter having an inner operating catheter casing, wherein the inner operating catheter comprises a catheter handle, a catheter tip, at least one needle that is connected to at least one source of medicinal solution viaat least one needle channel, at least one contact force sensor, at least one electrode, at least four actuator driven pull wires for moving the tip of the inner operating catheter, wherein the inner diameter of the outer catheter guide casing is larger than the outer diameter of the inner operating catheter casing, wherein the inner operating catheter is adapted to be controlled by a microcontroller, wherein the at least one electrode and the at least one contact force sensor are adapted for data exchange with the microcontroller, and wherein the at least four actuator driven pull wires are attached inside the inner operating catheter perpendicular to each other at a pre-defined distance from the tip in the distal region. The invention also relates to a robotic system comprising said autonomously controllable pull wire injection catheter and a method for operating the same.

Description

technical field [0001] The present invention relates to an autonomously steerable pullwire injection catheter comprising an outer catheter guide having an outer catheter guide housing and an inner operating catheter having an inner operating catheter housing, wherein the inner operating catheter includes a catheter handle, a catheter tip, At least one needle connected to at least one source of medical fluid through at least one needle channel, at least one contact force sensor, at least one electrode, at least four actuator-driven pull wires for moving the end of the inner operating catheter, wherein the outer The inner diameter of the catheter guide housing is larger than the outer diameter of the inner operating catheter housing. The invention also relates to a robotic system comprising said catheter and a method of operation thereof. Background technique [0002] In 2012, the World Health Organization (WHO) estimated that cardiovascular disease (CVD) was the leading caus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/14A61M25/00A61M5/20
CPCA61M5/20A61M25/003A61M25/0084A61M25/0662A61M2205/33A61M2025/0002A61M2025/0004A61M2025/0091A61M2025/0079A61M2025/0681A61M2005/206A61B2018/00351A61B2018/00642A61B2018/00875A61M2025/0089A61B2090/064A61B34/71A61B2034/301A61B2090/376A61B34/30A61B34/32A61B2090/065A61B2090/374A61B2034/2051A61B2090/378A61M25/0026A61M25/0133A61M2025/0047A61B2034/2061A61M25/005A61B5/055A61B6/485A61B8/12A61M25/0147A61M2025/0166A61M2025/015A61M25/0041A61M2205/70A61M2205/50A61M2205/3317A61M2205/332A61M2205/3306
Inventor 羅蓋
Owner 羅蓋
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