Visualization trocar
First Claim
Patent Images
1. A trocar for endoscopic surgery, comprising:
- a shaft having a distal end and a proximal segment having a cavity formed therein, the shaft having a longitudinal axis;
a transparent puncturing head formed on the distal end of the shaft; and
a blade embedded in the puncturing head, the blade having a flat blade surface defining a blade plane, and the blade is positioned such that the blade plane is parallel to the longitudinal axis;
wherein a video display system may be operationally connected within the cavity formed in the proximal segment of the shaft for displaying the image of an object located beyond the puncturing head.
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Abstract
A trocar having an elongated shaft, and a puncturing head attached to a distal end of the shaft. The puncturing head can have three blades with sharpened cutting edges embedded in the puncturing head. An endoscope can be positioned in a bore of the shaft to collect light from the distal end of the shaft. A video monitor is connected to the endoscope for displaying an image of the path of advancement of the trocar.
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Citations
5 Claims
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1. A trocar for endoscopic surgery, comprising:
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a shaft having a distal end and a proximal segment having a cavity formed therein, the shaft having a longitudinal axis; a transparent puncturing head formed on the distal end of the shaft; and a blade embedded in the puncturing head, the blade having a flat blade surface defining a blade plane, and the blade is positioned such that the blade plane is parallel to the longitudinal axis; wherein a video display system may be operationally connected within the cavity formed in the proximal segment of the shaft for displaying the image of an object located beyond the puncturing head. - View Dependent Claims (2, 3, 4, 5)
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Specification