Surgical microscope with stand and method for configuring a stand

Patent metadata

Field	Value
Publication number	US-11389265-B2
Application number	US-202016870880-A
Country	US
Kind code	B2
Filing date	May 8, 2020
Priority date	May 9, 2019
Publication date	Jul 19, 2022
Grant date	Jul 19, 2022

Abstract

A stand for a surgical microscope includes a digiscope and an imaging unit which are interconnected and mounted on an arm of the stand at a joint rotatably about an axis of rotation. The digiscope and the imaging unit are arranged on a bridge such that a fixed spatial relationship, in particular a distance larger than zero between the digiscope and the imaging unit during a relative movement between the digiscope and the patient is maintained. A method for configuring a stand with a bridge includes determining distances between eyes of a surgeon and the imaging unit, between the surgeon and an operating field, between the receptacle of the digiscope and the operating field, and between the imaging unit and the receptacle of the digiscope, and determining a length of the bridge to optimally set a distance from the surgeon to the patient and the imaging unit for the surgeon.

First claim

What is claimed is:

1. A surgical microscope comprising:
a stand including an arm;
a joint defining a vertical axis of rotation;
a digiscope mounted at the joint on the arm of the stand rotatably about the vertical axis of rotation;
an imaging unit interconnected with the digiscope and mounted at the joint on the arm of the stand rotatably about the vertical axis of rotation, wherein the joint is arranged between the digiscope and the imaging unit in a horizontal direction; and
a bridge, the digiscope and the imaging unit being arranged on the bridge such that a fixed, non-zero distance between the digiscope and the imaging unit is maintained during a movement of the digiscope relative to a patient.

2. The surgical microscope according to claim 1 , wherein the bridge includes the joint.

3. The surgical microscope according to claim 2 , wherein:
the digiscope includes a receptacle, and
the imaging unit is arranged on a straight line from the receptacle of the digiscope through the axis of rotation of the joint.

4. The surgical microscope according to claim 3 , wherein the joint is arranged on a continuation of the straight line through the receptacle of the digiscope and the imaging unit.

5. The surgical microscope according to claim 1 , wherein the distance between the digiscope and the imaging unit is between 0.2 meters and 0.8 meters.

6. The surgical microscope according to claim 1 , wherein the distance between the imaging unit and the digiscope is adjustable.

7. The surgical microscope according to claim 1 , wherein the imaging unit is mounted twistable about at least one axis perpendicular to a longitudinal axis of the bridge.

8. The surgical microscope according to claim 1 , wherein the bridge includes a second joint which divides the bridge into two segments.

9. The surgical microscope according to claim 8 , wherein the two segments of the bridge divided by the second joint are embodied such that the two segments can be arranged in parallel and above one another.

10. The surgical microscope according to claim 8 , wherein the second joint can be locked in a position in which longitudinal axes of the two segments extend parallel to a longitudinal axis of the bridge.

11. The surgical microscope according to claim 1 , wherein the bridge is rotatable about at least 180° without moving the arm and/or the stand.

12. The surgical microscope according to claim 1 , wherein the imaging unit is a 3D screen.

13. A method for configuring a stand of a surgical microscope with a bridge, on which a receptacle for a digiscope and a connector for an imaging unit are arranged, the bridge being mounted with a joint rotatably about a vertical axis of rotation defined by the joint on an arm of the stand, wherein the joint is arranged between the digiscope and the imaging unit in a horizontal direction, the method comprising:
determining a first distance between eyes of a surgeon and the imaging unit;
determining a second distance between the surgeon and an operating field;
determining a third distance between the receptacle of the digiscope and the operating field;
determining a fourth distance between the imaging unit and the receptacle of the digiscope;
determining a length of the bridge;
configuring the stand based on the first to fourth distances and the length of the bridge; and
arranging the receptacle for the digiscope and the connector for the imaging unit on the bridge such that a distance from the surgeon to a patient and the imaging unit is optimally set for the surgeon.

14. Method according to claim 13 , wherein the imaging unit is a 3D screen.

15. The method according to claim 13 , wherein the first distance between the surgeon and the operating field is determined based on an ergonomic posture during an operation and a 95% percentile of body parts of the surgeon.

16. The method according to claim 13 , wherein the first distance between the surgeon and the operating field is determined based on an ergonomic posture during an operation and a 95% percentile of a forearm length of the surgeon.

17. The method according to claim 13 , wherein the distance between the digiscope and the imaging unit is between 0.2 meters and 0.8 meters.

Assignees

• Zeiss Carl Meditec Ag

Inventors

• Steffen Joachim
• Kolster Daniel
• Mueller Andrè

Classifications

• A61B90/25 Primary

  Supports therefor · CPC title

• H04N23/57

  Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices · CPC title

• H04N23/54

  Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils · CPC title

• H04N13/302

  for viewing without the aid of special glasses, i.e. using autostereoscopic displays · CPC title

• H04N7/183

  for receiving images from a single remote source · CPC title