The Vaginal Sims Speculum is a single-blade, non-self-retaining gynecologically instrument used to retract the posterior vaginal wall for examination or surgical procedures. Unlike bivalve speculums (like Cusco’s), the Sims speculum requires manual holding or assistance, providing unobstructed access to the cervix and vaginal canal, making it ideal for deep vaginal exams, minor procedures, and vaginal surgeries. It is especially helpful when a wider or deeper view is needed and when patient positioning (lithotomy) allows better exposure.

•  Type: Single-blade, non-self-retaining

•  Length: 75 mm to 150 mm

•  Blade Width: 22 mm to 38 mm

•  Shape: Curved “scoop” or flat blade

•  Material: Surgical stainless steel / Disposable plastic

•  Handle: Finger grip or solid arm

•  Design: Double-ended or single-ended

Blade Size      Length (mm)              Width (mm)        Use Case 

Small              75–90 mm                   22–25 mm        Paediatric / narrow vaginal access

Medium          100–120 mm                26–30 mm       General gynecologically use 

Large               130–150 mm               32–38 mm       Postnatal / surgical procedures

•  Shapes:

o  Flat-blade or Scoop-blade

o  Single-ended or Double-ended Sims

o  Fenestrated or Solid handle

•  Single-ended Sims Speculum – One blade, classic use

•  Double-ended Sims Speculum – Two blade sizes in one instrument

•  Fenestrated Sims – Lighter, easier grip

•  Plastic Disposable Sims – Transparent and sterile, one-time use

•  Reusable:

o  Surgical-grade stainless steel (304/316)

o  Non-rusting, high-gloss or matte finish

•  Disposable:

o Transparent medical-grade polycarbonate

o  Sterile-packed, single-use

•  OB/GYN Examination Instruments

•  Vaginal Retractors

•  Surgical & Diagnostic Gynaecology Tools

•  Curved single-blade design

•  Handle on one end for controlled retraction

•  May include a suction groove for fluid drainage

•  Double-ended version offers size versatility

•  Posterior vaginal wall retraction

• Cervical examination or biopsy

•  Pap smear (with assistant)

•  Vaginal wall repair or surgery

•  Used with anterior wall retractor (e.g., Avard speculum)

•   Offers wide and deep vaginal access

•  Less obstructive than bivalve speculums

•  Double-ended option increases versatility

• Useful in surgical and outpatient settings

•  Stainless steel version is long-lasting and autoclavable

•  Requires assistant or stand to hold in place

•  Not self-retaining (may be tiring for longer procedures)

•  Can be uncomfortable if wrong size is used

•  Needs proper patient positioning for optimal use

•  Choose blade size carefully to prevent tissue trauma

•   Pre-warm metal speculum to reduce discomfort

•  Use proper lubrication before insertion

•   Always sterilize reusable units before/after use

•   Do not force if resistance is felt during insertion

•  HS Code: 9018.90 – Medical instruments (other)

•  HSN Code (India): 9018.90.99 – Includes Sims Speculums

•  Reusable Stainless Steel:

o   Clean with enzymatic solution post-use

o  Autoclave at 121°C for 15–20 minutes

o  Store in sterile tray or pouch

•  Disposable Plastic:

o  Pre-sterilized, ready-to-use/ Discard in biohazard container after single use

Veterinary Application

•  Commonly used in canine and bovine gynaecology

•  Assists in vaginal exams, cytology collection, insemination prep, and surgical cleaning

•  Provides unobstructed access in large animals for uterine or vaginal treatments

•  Especially helpful in post-partum care and foreign body removal

Human Application

•  Used in gynecologically surgeries requiring deep visualization

•  Preferred in vaginal reconstructive procedures

•  Suitable for non-routine or surgical pelvic exams

•  Often used with anterior retractors or weighted speculums for better exposure

•    Excellent for obese or multiparous patients needing wide access

Q1: What is a Sims speculum used for?

A1: It is used to retract the posterior vaginal wall during gynecologically exams or procedures to allow better visual and physical access.

Q2: Is the Sims speculum self-retaining?

A2: No, it requires an assistant or a speculum stand to hold it in place.

Q3: How is it different from a Cusco’s speculum?

A3: Sims is a single-blade, non-self-retaining tool, while Cusco’s is a bivalve and self-retaining speculum.

Q4: Can Sims speculums be used in animals?

A4: Yes, especially in veterinary gynaecology for both small and large animals requiring vaginal or uterine access.

Q5: How is the Sims speculum sterilized?

A5: Reusable metal Sims speculums are autoclaved; disposable plastic ones are pre-sterilized and discarded after one use.