# US 2021/0330447 A1 · Devices and methods for anatomic mapping for prosthetic implants

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- Number: US 2021/0330447 A1
- Document ID: US20210330447A1
- Status: Published application
- Kind: A1
- Application number: 17/371,804
- Filed: 2021-07-09
- Published: 2021-10-28
- Earliest claimed: 2015-07-08
- Assignees: Aortica Corporation
- Applicants: Aortica Corporation
- Inventors: Thomas C. Douthitt; Richard Van Bibber; Arun Palligaranai Tirumalai; Prashanth Dumpuri
- Web page: https://patentgrep.com/patent/US20210330447A1

## CPC

- G06T 7/0012: {Biomedical image inspection}
- A61B 34/10: Computer-aided planning, simulation or modelling of surgical operations
- A61F 2/07: Stent-grafts
- G06V 10/40: Extraction of image or video features
- G06V 40/14: Vascular patterns
- G16H 20/40: relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
- G16H 30/20: for handling medical images, e.g. DICOM, HL7 or PACS
- G16H 30/40: for processing medical images, e.g. editing
- G16H 50/50: for simulation or modelling of medical disorders
- A61B 2034/108: {Computer aided selection or customisation of medical implants or cutting guides}
- A61F 2240/002: Designing or making customized prostheses
- G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA

## Abstract

A method of generating a patient-specific prosthesis includes receiving anatomic imaging data representative of a portion of a patient's anatomy. A first digital representation of the anatomic imaging data is defined. The first digital representation of the anatomic imaging data is modified. A second digital representation of the portion of the patient's anatomy is defined based on the modifying of the first digital representation of the anatomic imaging data. A patient-specific prosthesis is generated based at least in part on the second digital representation of the anatomic imaging data.

## Claims

### Claim 1

A method, comprising:
receiving anatomic imaging data representative of a portion of a patient's blood vessel, the blood vessel defining a centerline that is a sequence of points in three-dimensional space;
defining a first digital representation of the anatomic imaging data, the first digital representation including data representative of a first configuration of an anatomic feature of the patient's blood vessel;
modifying the first digital representation of the anatomic imaging data to generate a second digital representation of the portion of the patient's blood vessel, the second digital representation including data representative of a second configuration of the anatomic feature of the patient's blood vessel wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
generating a patient-specific prosthesis based at least in part on the second digital representation of the anatomic imaging data.

### Claim 2

A method comprising:
receiving anatomic imaging data representative of a portion of a patient's blood vessel, the blood vessel defining a centerline that is a sequence of points in three-dimensional space, the portion of the patient's blood vessel having a branch blood vessel extending from the portion of the patient's blood vessel;
defining a first digital representation of the portion of the patient's blood vessel based on the anatomic imaging data, the first digital representation including data representative of a first configuration of an anatomic feature of the patient's blood vessel;
modifying the first digital representation of the portion of the patient's blood vessel to generate a second digital representation of the portion of the patient's blood vessel, the second digital representation including data representative of a second configuration of the anatomic feature of the patient's blood vessel wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
generating a patient-specific prosthetic based on the second digital representation of the portion of the patient's blood vessel, the patient-specific prosthetic having a wall defining a lumen, the wall of the patient-specific prosthetic defining an aperture corresponding to a configuration of the branch blood vessel in the second digital representation.

### Claim 3

A method comprising:
receiving anatomic imaging data representative of a portion of a patient's aorta, the blood aorta defining a centerline that is a sequence of points in three-dimensional space, the portion of the patient's aorta having a first branch blood vessel extending from the aorta and a second branch blood vessel extending from the aorta;
defining a first digital representation of the portion of the patient's aorta, the first branch blood vessel, and the second branch blood vessel based on the anatomic imaging data, the first digital representation including data representative of a first configuration of an anatomic feature of the patient's aorta;
modifying the first digital representation of the portion of the patient's aorta to generate a second digital representation of the portion of the patient's aorta, the first branch blood vessel, and the second branch blood vessel, the second digital representation including data representative of a second configuration of the anatomic feature of the patient's aorta wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
generating a patient-specific prosthetic based on the second digital representation of the portion of the patient's aorta.

### Claim 4

A method, comprising:
receiving a digital representation of a portion of a patient's blood vessel, the blood vessel defining a centerline that is a sequence of points in three-dimensional space, the digital representation including data representative of a first configuration of an anatomic feature of the patient's blood vessel;
modifying the data representative of the first configuration based on predicted deformation of the portion of the patient's blood vessel to determine a second configuration of the anatomic feature of the patient's blood vessel wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
generating a patient-specific prosthesis having a fenestration at the second configuration.

### Claim 5

A method, comprising:
receiving a digital representation of a portion of a patient's blood vessel, the blood vessel defining a centerline that is a sequence of points in three-dimensional space, the digital representation including data representative of a first configuration of an anatomic feature of the patient's blood vessel;
modifying the data representative of the first configuration based on predicted change in position of the portion of the patient's blood vessel to determine a second configuration of the anatomic feature of the patient's blood vessel wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
generating a patient-specific prosthesis having a fenestration at the second configuration.

### Claim 6

A non-transitory computer readable storage medium encoded with processor-executable instruction that, when executed by a processor, performs a method for customizing a patient-specific prosthesis, the method comprising:
receiving, at the processor, a digital representation of the portion of the patient's blood vessel, the blood vessel defining a centerline that is a sequence of points in three-dimensional space, the digital representation including data representative of a first configuration of an anatomic feature of the patient's blood vessel;
modifying the data representative of the first configuration to predict a change of the portion of the patient's blood vessel;
automatically determining a second configuration of the anatomic feature of the patient's blood vessel based on the modified data wherein a low-order polynomial function is fitted to the points using a least squares fitting technique to produce a modified centerline, the second configuration different than the first configuration; and
providing data representative of the second configuration of the anatomic feature.