Medical deformation device, deformation system and method for deforming an article

Patent metadata

Field	Value
Publication number	US-10905489-B2
Application number	US-201816136782-A
Country	US
Kind code	B2
Filing date	Sep 20, 2018
Priority date	Sep 25, 2017
Publication date	Feb 2, 2021
Grant date	Feb 2, 2021

Abstract

The invention relates to a medical deformation device for a medical article, said deformation device comprising a receptacle for fixing the article, a deformation tool used to act on the article for deformation purposes, the deformation tool being movable in a defined manner relative to the receptacle, and a medical marking device that is detectable by a navigation system is held in each case on the receptacle and on the deformation tool for the purposes of determining a relative position of the deformation tool and the receptacle, wherein a further marking device is fixed to the deformation tool for the purposes of determining, by means of the navigation system, an extent of a deformation of the article. Moreover, the invention relates to a deformation system and a method for deforming a medical article.

First claim

What is claimed is:

1. Medical deformation device for a medical article, comprising:
a receptacle for fixing the article,
a deformation tool used to act on the article for deformation purposes, the deformation tool being movable in a defined manner relative to the receptacle, and
a respective first medical marking device that is detectable by a navigation system being held on the receptacle and a respective second marking device that is detectable by the navigation system being held on the deformation tool for the purposes of determining a relative position of the deformation tool and the receptacle,
wherein:
the deformation device comprises a holding device,
the receptacle is rotatably mounted on the holding device,
the deformation tool is held in movable manner on the holding device, and
a third marking device is fixed to the deformation tool for the purposes of determining, by means of the navigation system, an extent of a deformation of the article.

2. Deformation device in accordance with claim 1 , wherein the deformation tool is configured to be displaceable relative to the receptacle.

3. Deformation device in accordance with claim 1 , wherein the holding device comprises or forms a guide for a bearing body of the deformation tool, wherein the second marking device is held on the bearing body.

4. Deformation device in accordance with claim 1 , wherein the deformation device comprises a medical marking device held on the holding device for the purposes of determining at least one of the position and orientation of the deformation device relative to the navigation system.

5. Deformation device in accordance with claim 1 , wherein the receptacle defines an axis that is aligned with an axis defined by the article, said article having a longitudinal extent and being fixed in the receptacle.

6. Deformation device in accordance with claim 1 , wherein the receptacle is configured to be rotatable relative to the holding device, the rotation being actuated manually or by means of a drive.

7. Deformation device in accordance with claim 1 , wherein there is at least one of the following:
a movement of the deformation tool relative to the receptacle is actuated manually or by means of a drive;
the deformation tool is actuatable by hand or by means of a drive.

8. Deformation device in accordance with claim 1 , wherein the deformation tool is a bending tool and comprises a bending body and, coupled therewith, an actuation element so as to bend the article by means of the bending body.

9. Deformation device in accordance with claim 8 , wherein the actuation element is mounted in at least one of a rotatable and displaceable manner on a bearing body of the bending tool.

10. Deformation device in accordance with claim 8 , wherein the third marking device is held on the actuation element.

11. Deformation device in accordance with claim 1 , wherein the deformation tool comprises or forms an abutment element for the article.

12. Deformation device in accordance with claim 1 , wherein the deformation tool comprises or forms an adjustable stop element for the article for the purposes of restricting the deformation of the article.

13. Deformation device in accordance with claim 12 , wherein a further marking device of the deformation device is held on the stop element.

14. Medical deformation system, comprising:
a deformation device for a medical article, the deformation device comprising a receptacle for fixing the article, a deformation tool used to act on the article for deformation purposes, the deformation tool being movable in a defined manner relative to the receptacle, and a respective first medical marking device being held on the receptacle and a respective second marking device that is detectable by the navigation system being held on the deformation tool for the purposes of determining a relative position of the deformation tool and the receptacle, wherein a third marking device is fixed to the deformation tool for the purposes of determining an extent of a deformation of the article, and
a medical navigation system for detecting and tracking the marking devices of the deformation device,
wherein:
the deformation device comprises a holding device,
the receptacle is rotatably mounted on the holding device,
the deformation tool is held in movable manner on the holding device,
the relative position of the receptacle and of the deformation tool is determinable by the navigation system for the purposes of determining a deformation position on the article, and
the extent of the deformation of the article at the deformation position is determinable with the navigation system.

15. Deformation system in accordance with claim 14 , wherein a desired shape of the article is stored in a memory unit and wherein the navigation system comprises or forms a notification device for providing at least one notification in respect of:
the deformation tool assuming a desired deformation position relative to the receptacle when moving the deformation tool relative to the receptacle;
the deformation of the article that is produced or producible by means of the deformation tool coinciding with a desired deformation.

16. Deformation system in accordance with claim 15 , wherein the desired shape is subdividable into individual segments by the navigation system, wherein notifications are providable in sequence at the notification device that, by deformation of the article at a desired deformation position with a desired deformation, a respective segment coincides with a desired shape of the respective segment.

17. Deformation system in accordance with claim 14 , wherein deformation information items are transmittable from the navigation system to at least one drive of the deformation device for the purposes of a machine deformation of the article in accordance with the deformation information items.

18. Method for deforming a medical article using a deformation system, the deformation system comprising:
a deformation device for a medical article, the deformation device comprising a receptacle for fixing the article, a deformation tool used to act on the article for deformation purposes, the deformation tool being movable in a defined manner relative to the receptacle, and a respective first medical marking device being held on the receptacle and a respective second marking device that is detectable by the navigation system being held on the deformation tool for the purposes of determining a relative position of the deformation tool and the receptacle, wherein a third marking device is fixed to the deformation tool for the purposes of determining an extent of a deformation of the article, wherein the deformation device comprises a holding device, the receptacle is rotatably mounted on the holding device, and the deformation tool is held in movable manner on the holding device, and
a medical navigation system for detecting and tracking the marking devices of the deformation device,
wherein the method comprises:
determining, using the navigation system, a deformation position of the medical article to be deformed, and
ascertaining, using the navigation system, an extent of the deformation of the article at the deformation position.

19. Medical deformation device for a medical article, comprising:
a receptacle for fixing the article,
a deformation tool used to act on the article for deformation purposes, the deformation tool being movable in a defined manner relative to the receptacle, and
a respective first medical marking device that is detect

Assignees

• Aesculap Ag

Inventors

• Kozak Josef
• Beger Jens
• Weisshaupt Dieter

Classifications

• A61B2034/2055

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• A61B17/7013

  the shape of the element being adjustable before use (adjustable length plates A61B17/7014) · CPC title

• A61B34/20

  Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis · CPC title

• A61B2034/2072

  Reference field transducer attached to an instrument or patient · CPC title

• A61B17/8863 Primary

  Apparatus for shaping or cutting osteosynthesis equipment by medical personnel · CPC title