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Patent: WRIST-SUPPORTER; Patent number: 923217; Filing date: Jun 16, 1908; Issue date: Jun 1909; Inventor: JAMES TYRRELL 

Patent: WRIST-SUPPORTER; Patent number: 923217; Filing date: Jun 16, 1908; Issue date: Jun 1909; Inventor: JAMES TYRRELL 

Context in source publication

Context 1
... next step in the technological routes of sports and orthopedic wrist wraps is James Tyrrell’s wrist support invention (table 2). This new device displays an anatomic sophistication: the material is still rigid, but it contains a small orifice to accommodate the pisiform bone (figure ...