ASTM F1638-95(1999)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: F 1638 – 95 (Reapproved 1999)
Standard Terminology for
Surgical Tissue/Dressing/Pick-Up Forceps (Thumb-Type)
This standard is issued under the fixed designation F 1638; 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.
1. Scope spaced apart a predesigned distance so they will not stress,
crush, or otherwise traumatize the tissue being grasped.
1.1 This terminology defines basic terms and considerations
guide pin—a pin affixed to the inside of one of the forceps
for components of thumb-type surgical forceps. Instruments
halves that aligns with a hole on the other tweezer half
with this terminology are limited to those fabricated from
without protruding through when closed.
stainless steel and used for surgical procedures.
guide pin hole—the hole in one forceps half into which the
2. Referenced Documents guide pin fits without passing through when closed.
mesh—an alignment of opposing teeth. The teeth may be
2.1 ASTM Standards:
in-line or angled.
F 899 Specification for Stainless Steel Billet, Bar, and Wire
mouse teeth—distal tip teeth that interdigitate.
for Surgical Instruments
scissoring—lateral misalignment.
F 921 Definitions of Terms Relating to Hemostatic Forceps
set—the at rest position of the instrument halves that will
3. Terminology
provide the intended closing relationship of fit and force.
stop pin—a pin of preset length affixed to the inside of one of
3.1 Definitions
the tweezer halves designed to limit teeth contact upon
atraumatic—teeth that would interdigitate except for being
closure and prevent their damage.
teeth—serrations formed on the inside faces of the distal end
of the tweezer halves.
This terminology is under the jurisdiction of ASTM Committee F04 on Medical
tissue forceps—a device formed in two generally symmetrical
and Surgical Materials and Devices and is the direct responsibility of Subcommittee
F04.33 on Medical/Surgical Instruments.
halves with their proximal ends secured together and set so
Current edition approved Oct. 10, 1995. Published December
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