ASTM F921-85(1996)

Standard Definition of Terms Relating to Hemostatic Forceps

SCOPE
1.1 This standard defines basic terms and considerations for the components of hemostatic forceps. Instruments in this standard are limited to those fabricated from stainless steel and for general surgical procedures. See Figs. 1 and 2.

General Information

• Status: Historical
• Publication Date: 31-Dec-1995
• Technical Committee: F04 - Medical and Surgical Materials and Devices
• Drafting Committee: F04.33 - Medical/Surgical Instruments

Relations

• Replaced By: ASTM F921-85(2002) - Standard Terminology Relating to Hemostatic Forceps
• Effective Date: 05-Jun-1985
• Referred By: ASTM F1026-86(2022) - Standard Specification for General Workmanship and Performance Measurements of Hemostatic Forceps
• Effective Date: 01-Jan-1996
• Referred By: ASTM F1744-96(2016) - Standard Guide for Care and Handling of Stainless Steel Surgical Instruments
• Effective Date: 01-Jan-1996
• Referred By: ASTM F1325-91(2023) - Standard Specification for Stainless Steel Suture Needle Holders—General Workmanship Requirements and Corresponding Test Methods
• Effective Date: 01-Jan-1996
• Referred By: ASTM F1613-95(2023) - Standard Specification for Surgical Tissue/Dressing/Pick-Up Forceps (Thumb Type)
• Effective Date: 01-Jan-1996

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: F 921 – 85 (Reapproved 1996)
Standard Definitions of Terms Relating to
Hemostatic Forceps
This standard is issued under the fixed designation F 921; 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 jaws—parts that contain serrations to interrupt the flow of
blood through any vessel.
1.1 These definitions cover basic terms and considerations
male member—the component that is inserted through the
for the components of hemostatic forceps. Instruments in these
female member and secured to the female member at the box
definitions are limited to those fabricated from stainless steel
lock junction.
and for general surgical procedures. See Figs. 1 and 2 .
proximal end—that portion of the instrument that is closest to
2. Referenced Documents the surgeon when in use.
ratchets—the portion of both the female and the male mem-
2.1 ASTM Standards:
bers possessing inclined teeth that forms the locking mecha-
F 899 Specification for Stainless Steel Billet, Bar, and Wire
nism.
for Surgical Instruments
serrations or teeth—the gripping or clamping surfaces of the
2.2 ISO Document:
jaws.
ISO/DIS 7151/1 Instruments for Surgery—Hemostatic
shank—the part of either the female or the male member that
Forceps—General Requirements
yields configuration, length, and leverage.
Definitions of Hemostatic Forceps
Definitions of Physical Properties of Hemostatic Forceps
3. Terminology
chamfer—the broken edge of the jaw serrations and the
box lock—the junction where the female member and the male
external edges of the box lock surfaces.
member are secured forming the pivoting feature.
corrosion—the formation of rust.
distal end—the working end, comprised of two jaws, that is
elasticity—the capacity of the instrument to undergo induced
furthest from the surgeon when in use.
stress without permanent distortion or breakage of any
female member—the component that accommodates and
component.
encloses the male member at the box lock junction.
finish—the final surface visual appearance of the instrument
finger rings—the feature of both the female and the male
classified as follows:
members that forms the gripping surface for the surgeon
(1) bright or mirror finish—highly reflective surfaces.
(commonly classified as the ring-handled feature in ISO/DIS
(2) satin, matte, or black finish—reduced reflected surfaces
7151/1).
(as compared to bright or mirror finish).
hemostatic forceps—an instrument, available in various sizes
hardness—a measurement of the resistance to indentation.
and configurations, used in surgical procedures for the
interdigitation—the interlocking or meshing of the female and
compression of blood vessels and the grasping of tissue.
male jaw serrations.
jaw alignment—the positioning of the female and male jaws
with respect to interdigitation (related to box lock function
These definitions are under the jurisdiction of ASTM Committee F-4 on
and ratchet performance).
Medical and Surgical Materials and Devices and is the direct responsibility of
Subcommittee F04.33 on Medical/Surgical Instruments.
passivation—the changing of the chemically active surface of
Current edition approved Ju
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