Description
Heister Mouth Gag
The Heister mouth gag is a jaw opener that separates the teeth and holds the mouth open. Oral surgeons, anesthetists and ENT teams use it when a patient cannot open the mouth on their own.
Opening the jaws
The operator places the gag between the teeth and opens it gradually. As a result, the jaws part in a controlled way. The gag then holds that opening while the team works.
Straight, 13 cm
We list the Heister pattern at 13 cm with a straight shape. A straight gag lines up well with a front approach. Therefore it suits placement from directly in front of the patient.
When teams use it
Teams keep a jaw opener ready in theaters and recovery rooms. For example, it can help when the team needs access to the mouth quickly. In addition, oral surgeons use it during procedures under anesthesia.
Straight or curved
Some users prefer a curved opener that sits to the side. In that case, compare the Denhart gag we also list. Otherwise, the straight Heister pattern gives a simple, direct approach.
Caring for your Heister mouth gag
After use, rinse the gag with its joint wide open. Next, clean the joint and any moving parts with a soft brush. Dry it well and sterilize it open.
Heister mouth gag specifications
- Length: 13 cm overall
- Shape: straight
- Stainless steel
Ordering this opener
We cover it for three years against workmanship defects, under our three-year warranty. A member of our Atlanta crew hand-inspects each opener prior to dispatch. Our FAQ area explains ordering and delivery. Meanwhile, ASTM F899 sets the steel expectations for jaw openers and other surgical tools. For a longer curved opener, see the Roser-Koenig mouth gag. Browse the wider ENT instrument category too.
Jaw openers are for professional use only; the Heister notes in our care and sterilization page cover how its photos compare with the real item and the nickel in stainless; dispatch sits on our shipping section.






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