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A palatal obturator is a prosthesis that totally occludes an opening such as an oronasal fistula (in the roof of the mouth). They are similar to dental retainers , but without the front wire. Palatal obturators are typically short-term prosthetics used to close defects of the hard/soft palate that may affect speech production or cause nasal ...
A trocar (or trochar) is a medical or veterinary device used in minimally invasive surgery. Trocars are typically made up of an awl (which may be metal or plastic with a pointed or tapered tip), a cannula (essentially a rigid hollow tube) and often a seal. [1] [2] Some trocars also include a valve mechanism to allow for insufflation.
Part of a trocar device A device used as a guide during tracheostomy tube insertion Palatal obturator , a dental prosthesis used to seal an opening in the palate, i.e. cleft palate
Here it enters the thigh, through the obturator canal, and divides into an anterior and a posterior branch, which are separated at first by some of the fibers of the obturator externus, and lower down by the adductor brevis. [2] An accessory obturator nerve may be present in approximately 8% to 29% of the general population. [3]
The external obturator muscle or obturator externus muscle (/ ˌ ɒ b tj ʊəˈr eɪ t ər ɪ k ˈ s t ɜːr n ə s /; OE) is a flat, triangular muscle, which covers the outer surface of the anterior wall of the pelvis. It is sometimes considered part of the medial compartment of thigh, [1] and sometimes considered part of the gluteal region. [2]
The obturator process is an anatomical feature on the pelvis of archosaurs. It is a raised area of the ischium bone of the pelvis. [1] It is the origin of muscles that attach to the femur and aid in running. These muscles are called M. pubo-ischio-femoralis externus 1 and 2 in crocodylians.
The nerve to obturator internus (also known as the obturator internus nerve [citation needed]) is a mixed (sensory and motor) [1] nerve providing motor innervation to the obturator internus muscle and gemellus superior muscle, [2] [1] and sensory innervation to the hip joint. [1] It is a branch of the sacral plexus. It is one of the group of ...
The internal pudendal vessels and pudendal nerve cross the pelvic surface of the internal obturator and are enclosed in a special canal—Alcock's canal—formed by the obturator fascia. The iliococcygeus portion of the levator ani attaches to the lateral walls of the pelvis via the obturator fascia through the tendinous arch of the obturator ...