Device for intracorporal, minimal-invasive treatment of a patient
First Claim
1. A device for intracorporal, minimal-invasive treatment of a patient, comprising:
- a working instrument that can be introduced into a body cavity of said patient for carrying out a treatment step, said working instrument having a distal end defining an intracorporal working area when said working instrument is introduced in said body cavity;
at least one image pick-up unit for picking up an image of said intracorporal working area, said image pick-up unit having an optical axis; and
positioning means for orienting said optical axis of said image pick-up unit in dependency on a spatial position of said intracorporal working area, said positioning means further comprising;
a guide shaft in which said working instrument is guided, said guide shaft having an intracorporal portion, and a holder pivotably fixed to said intracorporal portion of said guide shaft, wherein said image pick-up unit is arranged at said holder at a distance from a location where said holder is linked to said guide shaft, such that said image pick-up unit is intracorporally pivotable into a working position, in which said optical axis runs angularly to a longitudinal center axis of said guide shaft and points to said longitudinal center axis.
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Abstract
The present invention describes a device for intracorporal, minimal-invasive treatment of a patient, comprising a working instrument that can be introduced into a body cavity of the patient for carrying out a treatment step, wherein a distal end of the introduced working instrument defines an intracorporal working area, and at least one image pick-up unit for picking up an image of the intracorporal working area, further comprising positioning means for orienting an optical axis of the image pick-up unit in dependency on a spatial position of the intracorporal working area, wherein the positioning means comprise a guide shaft, in which the working instrument is guided, and wherein the image pick-up unit is pivotably fixed at an intracorporal portion of the guide shaft. The positioning means have a holder pivotably fixed to the intracorporal portion of the guide shaft, the image pick-up unit being arranged at the holder in a distance from a location where the holder is linked to the guide shaft, such that the image pick-up unit is intracorporally pivotable into a working position, in which the optical axis runs angularly to a longitudinal center axis of the guide shaft and points to the longitudinal center axis.
1437 Citations
29 Claims
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1. A device for intracorporal, minimal-invasive treatment of a patient, comprising:
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a working instrument that can be introduced into a body cavity of said patient for carrying out a treatment step, said working instrument having a distal end defining an intracorporal working area when said working instrument is introduced in said body cavity;
at least one image pick-up unit for picking up an image of said intracorporal working area, said image pick-up unit having an optical axis; and
positioning means for orienting said optical axis of said image pick-up unit in dependency on a spatial position of said intracorporal working area, said positioning means further comprising;
a guide shaft in which said working instrument is guided, said guide shaft having an intracorporal portion, and a holder pivotably fixed to said intracorporal portion of said guide shaft, wherein said image pick-up unit is arranged at said holder at a distance from a location where said holder is linked to said guide shaft, such that said image pick-up unit is intracorporally pivotable into a working position, in which said optical axis runs angularly to a longitudinal center axis of said guide shaft and points to said longitudinal center axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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Specification