초록 ▼

The present invention provides a bone marrow biopsy device 10 that includes a handle 12, an outer cannula 16, a stylet 14, and an inner member 18. The outer cannula 16 is secured in the handle 12. The outer cannula defines a distal tip 29 that is tapered to provide a distal cutting edge. The stylet

The present invention provides a bone marrow biopsy device 10 that includes a handle 12, an outer cannula 16, a stylet 14, and an inner member 18. The outer cannula 16 is secured in the handle 12. The outer cannula defines a distal tip 29 that is tapered to provide a distal cutting edge. The stylet 14 is designed to be inserted in the outer cannula 16. The stylet defines a sharp distal tip 30. The inner member 18 is designed to be inserted in the outer cannula 16. The inner member 18 defines a cuffing finger 45.

대표청구항 ▼

1. A bone marrow biopsy device comprising:a handle; an outer cannula secured in the handle, the outer cannula defining a sharp distal tip that provides a distal cutting edge; a stylet designed to be inserted in the outer cannula, the stylet defining a sharp distal tip; and an inner member designed t

1. A bone marrow biopsy device comprising:a handle; an outer cannula secured in the handle, the outer cannula defining a sharp distal tip that provides a distal cutting edge; a stylet designed to be inserted in the outer cannula, the stylet defining a sharp distal tip; and an inner member designed to be inserted in the outer cannula, the inner member defining a cutting finger comprising a pair of elongate blades adjacent a single elongate opening and structured to rotate relative to , and advance longitudinally within, the outer cannula to sever a specimen from surrounding tissue.