3.2/3.2.1 Shape Capture

3.2      Shape Capture

3.2.1    Shape Capture of Body Segment

Definition: Moulding or measuring the patient’s body segment for replication.  This is performed directly on the patient and may require the application of corrective/landmark force(s).

Code             Procedure Description
1 Patient preparations Patient’s body segment is prepared for casting/scanning: make markings, apply stockinette, preload body segment, establish casting/scanning position.
2 Casting bandage application 3-D shape capture of body segment using plaster/fiberglass bandage wrap.
3 Low temperature thermoplastic moulding 3-D shape capture of body segment using low temperature thermoplastic.
4 Digitizing 3-D shape capture of body segment using CAD, laser scanning, photography and Pin Dot.
5 Impression moulding 3-D replication of body segment using impression material e.g. foam, alginate, moulding bags, expandable foam.
6 Measure and delineate via tracing/ anthropometric data 2-D shape capture of body segment using manual tracing systems or anthropometric data acquisition.
7 Foam sheet contouring 3-D shape capture of body segment using various types and/or densities of foam.

3.2.2    Negative Shape Capture of Positive Anatomical Model

Definition: Replication of an existing model. This does not involve patient contact or any dynamic force application.

Code             Procedure Description
1 Positive model preparation Preparation of positive model for replication. E.g. apply separator, sock.
2 Casting bandage application 3-D replication using plaster/fiberglass bandage wrap (negative).
3 Low temperature thermoplastic moulding 3-D replication using low temperature thermoplastic.
4 Digitizing 3-D replication using CAD, laser or digital imaging
5 Impression moulding 3-D replication using impression material (e.g. Foam or alginate).
6 Tracing/ anthropometric measurement Capture (Delineate) two-dimensional shape capture of patient body segment characteristics using manual tracing systems or anthropometric data acquisition (measurements).

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