ASTM F1078-10(2011)
(Terminology)Standard Terminology for Surgical Scissors—Inserted and Non-Inserted Blades
Standard Terminology for Surgical Scissors<span class='unicode'>—</span>Inserted and Non-Inserted Blades
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.
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Designation: F1078 − 10 (Reapproved 2011)
Standard Terminology for
Surgical Scissors—Inserted and Non-Inserted Blades
This standard is issued under the fixed designation F1078; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope proximal end—that portion of the instrument that is closest to
the surgeon when in use.
1.1 This terminology defines basic terms and considerations
for the components of scissors with either inserted or non-
ride—the edge which acts as a cam.
inserted blades (see Fig. 1). Instruments in this terminology are
ride relief—the contoured area between the shank and ride
limited to those fabricated having scissor blades made from
stainless steel and used for surgical procedures.
rounded blade—a blade having a radius on its outer surface
which forms a transition between the outer edge and the
2. Referenced Documents
cutting edges.
2.1 ASTM Standards:
screw—the fastener which joins the scissor halves
F899 Specification for Wrought Stainless Steels for Surgical
Instruments
serrations—corrugations in the cutting edge of the blades.
F1079 Specification for Inserted and Noninserted Surgical
Scissors
shank—(1) the part of either scissor half that yields
2.2 ISO Standard:
configuration,length,andleverage;(2)thepartofthescissor
ISO 7741 Instruments for Surgery—Scissors and Shears
half between the finger ring and joint.
General Requirements, Testing
surgical scissors with inserts—a stainless steel instrument,
3. Terminology
available in various sizes and configurations, and used in
surgical procedures for cutting body tissue, gauze, and
DEFINITIONS OF THE INSTRUMENTS
suture. An instrument of this type has tungsten carbide,
stellite, or other inserts.
blade—the segment that contains the cutting edge which may
be with or without serrations.
top scissor half—the component which contains the screw
head at assembly.
bottom scissor half—the component which contains the
threaded end of the screw.
DEFINITIONS OF PHYSICAL PROPERTIES
distal end—the working end, comprised of two blades, that is
OF THE INSTRUMENT
furthest from the surgeon when in use.
blade alignment—thepositioningofthebladeswithrespectto
finger rings—the feature of the scissors that forms the grip-
tip match-up and blade setting.
ping surface for the surgeon (commonly classified as the
chamfer—the broken external edges of the instrument.
ring-handled feature).
corrosion—the formation of rust.
joint—the junction where the scissor blades are secured by a
screw, allowing the instrument to pivot.
finish, n—final surface visual appearance classified as follows:
bright or mirror finish, n—highly reflective surface.
ThisterminologyisunderthejurisdictionofASTMCommitteeF04onMedical
and Surgical Materials an
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