Calibration methods for medical appliance tools

1. A method for processing calibration data to generate a visual indicia based on image data of a stoma, comprising:

obtaining, from a camera, image data of a portion of a user's body that includes the user's stoma and at least two reference locations;

processing the image data to generate calibration data, the processing including:

identifying the reference locations;

identifying the stoma; and

generating the calibration data representative of one or more stoma parameters as a function of the identified reference locations, identified stoma, and distance scale information that is representative of a distance between the two reference locations; and

displaying, by an accessory device, an indicia based on the calibration data that is representative of a cutting line that defines a hole to be formed for receiving the identified stoma.

2. The method of claim 1 , wherein the calibration data includes one or more of stoma size data, stoma orientation data, stoma shape data and stoma location data.

3. The method of claim 1 , and further including receiving the distance scale information through a user interface.

4. The method of claim 1 , wherein the at least two reference locations include at least two spaced-apart features of the user's body.

5. The method of claim 4 , wherein the at least two reference locations include at least two spaced-apart features of the user's stoma.

6. The method of claim 1 , wherein the at least two reference locations are spaced-apart marks applied to the user's body.

7. The method of claim 6 , wherein the at least two marks include two marks on a substrate on the user's body.

8. The method of claim 6 , wherein the two marks are on a substrate removed from an ostomy appliance.

9. The method of claim 1 , wherein the two marks are on a substrate adhesively attached to the user's body.

10. The method of claim 1 , wherein the at least two reference locations include:

at least one feature of the user's body; and

at least one mark applied to the user's body.

11. The method of claim 10 , wherein the at least one mark includes at least one mark on a substrate positioned on the user's body.

12. The method of claim 11 , wherein the at least one mark is on a substrate removed from an ostomy appliance.

13. The method of claim 11 , wherein the at least one mark is on a substrate adhesively attached to the user's body.

14. The method of claim 1 , wherein:

processing the image data further includes determining location data representative of a location of the stoma with respect to at least one of the reference locations.

15. The method of claim 1 , wherein:

processing the image data further includes determining orientation data representative of an orientation of the stoma with respect to at least one of the reference locations.

16. The method of claim 1 , wherein:

processing the image data further includes determining shape data representative of the shape of the stoma.

17. The method of claim 1 , wherein:

obtaining image data that includes at least two reference locations includes capturing image data of an ostomy appliance including the at least two reference locations; and

the method further includes determining the distance between the at least two reference locations of the ostomy appliance.

18. The method of claim 17 , wherein determining the distance between the at least two reference locations includes receiving information through a user interface.

19. The method of claim 18 , wherein:

the method further comprises storing information representative of the distance between reference locations on each of one or more ostomy appliances;

receiving information through the user interface includes receiving information associated with the imaged ostomy appliance; and

determining the distance between the at least two reference locations includes accessing stored distance scale information using the received information representative of the imaged ostomy appliance.

20. The method of claim 1 , wherein:

processing the image data further includes determining size data representative of the size of the stoma.

21. The method of claim 1 , wherein the accessory device includes the camera, an image processor, and a display device.

22. The method of claim 1 , wherein identifying the reference locations and/or identifying the stoma is performed using machine learning.

23. A method, performed by an accessory device, for processing ostomy calibration data, comprising:

obtaining, from a camera, an image of a portion of a user's body that includes the user's stoma and at least two reference locations;

storing distance scale information representative of a distance between the two reference locations;

processing the image to generate size data, the processing including:

identifying the reference locations;

identifying the stoma;

generating the size data representative of a size of the stoma as a function of the identified reference locations, identified stoma, and the distance scale information; and

storing the size data;

generating, based on the size data, an indicia representative of a cutting line that defines a hole to be formed for receiving the identified stoma; and

displaying, by the accessory device, the indicia to the user.

24. A method, performed by an accessory device, for processing calibration data, the accessory device comprising a camera, an image processor, a memory, and a display, the method comprising:

capturing, using the camera of the accessory device, an image of a portion of a user's body that includes the user's stoma and at least two reference locations selected from a group of reference locations including:

a feature of the user's body at a location spaced apart from the stoma; and

a mark applied to the user's body;

storing distance scale information representative of a distance between the two reference locations;

processing the captured image, including:

identifying, using an object recognition algorithm, the reference locations;

identifying, using the object recognition algorithm, the stoma;

generating calibration data, including one or more of stoma size data, stoma orientation data, stoma shape data, and stoma location data, wherein the calibration data is representative of one or more stoma parameters as a function of the identified reference locations, identified stoma, and the distance scale information; and

storing the calibration data;

generating, based on the calibration data, an indicia representative of a cutting line that defines a hole to be formed for receiving the identified stoma; and

displaying, via the display of the accessory device, the indicia to the user.

25. The method of claim 24 , wherein at least one feature of the user's body includes a feature of the user's stoma.

26. A method, performed by an accessory device, for processing ostomy calibration data, comprising:

obtaining, from a camera, an image of a portion of a user's body that includes the user's stoma and at least two reference locations;

storing distance scale information representative of a distance between the two reference locations;

processing the image to generate shape data, the processing including:

identifying the reference locations;

identifying the stoma;

generating the shape data representative of a shape of the stoma as a function of the identified reference locations, identified stoma and the distance scale information; and

storing the shape data;

generating, based on the shape data, an indicia representative of a cutting line that defines a hole to be formed for receiving the identified stoma; and

displaying, by the accessory device, the indicia to the user.

27. A method, performed by an accessory device, for processing ostomy calibration data, comprising:

obtaining, from a camera, an image of a portion of a user's body that includes the user's stoma and at least two reference locations;

storing distance scale information representative of a distance between the two reference locations;

processing the captured image to generate orientation data, the processing including:

identifying the reference locations;

identifying the stoma;

generating the orientation data representative of an orientation of the stoma as a function of the identified reference locations, identified stoma, and the distance scale information; and

storing the orientation data;

generating, based on the orientation data, an indicia representative of a cutting line that defines a hole to be formed for receiving the identified stoma; and

displaying, by the accessory device, the indicia to the user.