A trephine (/ trɪˈfaɪn /; from Greek τρύπανον, trypanon 'instrument for boring') [2] is a surgical instrument with a cylindrical blade. It can be of one of several dimensions and designs depending on what it is …

Jan 6, 2025 · Trephination, also known as trepanning, trepanation or burr holing, is one of the oldest surgical procedures known to humanity and refers to a surgical procedure in which a circular piece of …

Jun 11, 2021 · The trephining instrument was very similar to the modern trephine, except that it was turned between the hands or by a bow and string rather than by using a crosspiece.

Dec 7, 2025 · A trephine is a specialized surgical instrument designed to remove a circular section of biological material, most commonly bone or soft tissue. The instrument’s function is to create a clean, …

The term “trephine” comes from the special type of hollow needle used in the procedure. This needle removes a narrow core of bone and marrow together, allowing the pathologist to examine the …

The meaning of TREPHINE is a surgical instrument for cutting out circular sections (as of bone or corneal tissue).

Apr 18, 2024 · Trephine biopsy of bone remains a cornerstone in the diagnostic workup of various hematological and oncological disorders. This minimally invasive procedure provides invaluable …

The SHUKLA Trephine (S9TREPHINE) is indicated for use during any orthopedic revision procedure in which an IM nail, knee, or hip implant or other orthopedic hardware requires removal of bone in order …

trephine A hollow, cylindrical cutting instrument with the edge at one end sharpened or saw-toothed, used to cut a circular hole in bone or other tissue by pressure and rotation.

Although, historically, there are several types and models of trephine blades developed during the evolutionary stages of corneal transplantation, this chapter will mainly focus on the current trephines …