Weisman Graves Speculum
Weisman-Graves Vaginal Speculum
A duckbill (bivalve) vaginal speculumSPEK-yoo-lumAn instrument used to open and hold open a body opening, such as the vagina, so the inside can be seen.Full entry like the Graves, with upper and lower concave blades held open by thumb screws. The Weisman pattern leaves one side of the blades open, on the right or the left.
- On setups
- 1
On the table
What it does, the lengths it comes in and what experienced techs know about it.
What it’s for
Holds the vaginal walls apart to show the cervix. The open side lets it be lifted out over a catheter or other device already placed in the uterus, and leaves room for other instruments.
Lengths and variants
Small to extra-large; medium blades about 35 x 102 mm. Right or left opening. Insulated (non-conductive) versions with a smoke evacuation channel exist.
What experienced techs know
What techs who reach for it every day know about it.Pro
Through the case
In the order you meet it: before, during and after the case.
- Before the case
Inspection and testing
What to check before it reaches the field.Pro
- During the case
Passing it
How to pass it so it lands in the surgeon’s hand the right way round.Pro
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7 sources
- CooperSurgical (NLM AccessGUDID). Vaginal Speculum - Weisman Graves. accessgudid.nlm.nih.gov
- Instrumentarium. Weisman Graves Vaginal Speculum. instrumentarium.ca
- MPM Medical Supply. Weisman-Graves Non-Conductive Vaginal Speculum. mpmmedicalsupply.com
- Nemitz R. Surgical Instrumentation: An Interactive Approach. 3rd ed. Chapter 6 (Obstetrics and gynecologic instruments), p. 192
- IAHCSMM. Central Service Technical Manual. 8th ed. Chapter 10 (Surgical Instrumentation), p. 193
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 11 (Surgical Instruments), p. 206
- Fuller JK. Surgical Technology: Principles and Practice. 8th ed. Chapter 11 (Surgical Instruments), p. 207
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