Traction force sensing vacuum extractor

Details Traction force sensing vacuum extractor Traction force sensing vacuum extractor

A - Human Necessities

61

B

A61B 17/42 (2006.01) A61B 17/44 (2006.01) A61B 17/30 (2006.01)

Patent

CA 2351681

A vacuum extractor (100) for use in childbirth is described. The vacuum extractor (100) includes a handle (110), and a vacuum cup (120) with a force sensor (130) coupled to the vacuum extractor (100). The force sensor (130) measures the traction force applied between the vacuum cup (120), and the handle (110) for assisting the birthing attendant in applying an appropriate traction force. The force sensor (130) may also include a slipping mechanism which causes the length of the force sensor (130) to distinctly increase if the applied traction force exceeds a certain level such as twenty pounds. Thus, the birthing attendant may feel the slipping, and thus determine that the traction force has exceeded the certain value.

L'invention concerne un extracteur pneumatique (100) à utiliser lors d'un accouchement, qui comporte une poignée (110) et une ventouse pneumatique (120) dotée d'un capteur de force (130) couplé à l'extracteur pneumatique (100). Le capteur de force (130) mesure la force de traction appliquée entre la ventouse pneumatique (120) et la poignée (110), ce qui permet à l'accoucheur d'appliquer une force de traction appropriée. Le capteur de force (130) peut également comporter un mécanisme qui provoque une augmentation distincte de la longueur dudit capteur lorsque la force de traction appliquée dépasse un certain niveau, par exemple 20 livres. L'accoucheur peut ainsi sentir le glissement et déterminer que la valeur de force de traction donnée a été dépassé.

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