ASTM F1078-87(2008)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:F1078–87(Reapproved 2008)
Standard Terminology for
Surgical Scissors—Inserted and Non-Inserted Blades
This standard is issued under the fixed designation F 1078; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
1.1 This terminology defines basic terms and considerations
for the components of scissors with either inserted or non-
inserted blades (see Fig. 1). Instruments in this terminology are
limited to those fabricated having scissor blades made from
stainless steel and used for surgical procedures.
2. Referenced Documents
2.1 ASTM Standards:
F 899 Specification for Wrought Stainless Steels for Surgi-
cal Instruments
F 1079 Specification for Inserted and Noninserted Surgical
Scissors
2.2 ISO Standard:
ISO 7741 Instruments for Surgery—Scissors and Shears
General Requirements, Testing
3. Terminology
DEFINITIONS OF THE INSTRUMENTS
blade—the segment that contains the cutting edge which may
be with or without serrations.
bottom scissor half—the component which contains the
threaded end of the screw.
distal end—the working end, comprised of two blades, that is
furthest from the surgeon when in use.
finger rings—the feature of the scissors that forms the grip-
FIG. 1 Components of a Scissors (Inserted and Non-Inserted)
ping surface for the surgeon (commonly classified as the
ring-handled feature).
proximal end—that portion of the instrument that is closest to
joint—the junction where the scissor blades are secured by a
the surgeon when in use.
screw allowing the instrument to pivot.
ride—the edge which acts as a cam.
ride relief—the contoured area between the shank and ride
rounded blade—a blade having a radius on its outer surface
ThisterminologyisunderthejurisdictionofASTMCommitteeF04onMedical
and Surgical Materials and Devices and is the direct responsibility of Subcommittee which forms a transition between the outer edge and the
F04.33 on Medical/Surgical Instruments.
cutting edges.
Current edition approved Feb. 1, 2008 Published March 2008. Originally
screw—the fastener which joins the scissor halves
approved in 1986. Last previous edition approved in 2002 as F 1078 – 87 (2002).
serrations—corrugations in the cutting edge of the blades.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
shank—(1) the part of either scissor half that yields configu-
Standards volume information, refer to the standard’s Document Summary page on
ration, length, and leverage; (2) the part of the scissor
the ASTM
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