What is metacarpal amputation?
The metacarpal-like hand is a severe hand injury, never addressed before. It describes a hand that has lost a significant degree of prehension through a wide array of amputations, involving all digits proximal to the functional length except in one finger or in two digits, including the thumb.
What does Transphalangeal mean?
Transphalangeal, thumb spared. Thenar, partial or complete. Transmetacarpal, distal; thumb spared or involved. Transmetacarpal, proximal; thumb spared or involved.
What does it mean to amputate a finger?
An amputation is the removal, by accident or by surgery, of a body part. Amputations in the hand are commonly the result of a traumatic injury but may be the result of a planned operation to prevent the spread of disease in an infected finger or hand.
What is the amputation of thumb?
Thumb amputation, partial or complete, results in loss of palmer grip, side-to-side pinch, and tip-to-tip pinch. Amputation of one of the other digits causes less functional loss. Transverse digit amputations occur at one or more digits and can be fit with functional finger prostheses. Ulnar amputations (see Fig.
What is a revision amputation?
primary closure (revision amputation) indications. finger amputation with exposed bone and the ability to rongeur bone proximally without compromising bony support to nail bed.
Why is amputation done?
An amputation may be needed if: you have a severe infection in your limb. your limb has been affected by gangrene (often as a result of peripheral arterial disease) there’s serious trauma to your limb, such as a crush or blast wound.
What causes amputations?
Amputation can be traumatic (due to an accident or injury) or surgical (due to any of multiple causes such as blood vessel disease, cancer, infection, excessive tissue damage, dysfunction, pain, etc.). A portion of the body could also be missing before birth, called congenital amputation.
What are the subtypes of metacarpal hand amputation?
Depending on the level of thumb amputation and the integrity of the remaining thenar muscles and the first carpometacarpal joint, Type II metacarpal hands are further classified into the following subtypes: Type IIB: Thumb amputation proximal to the metacarpal neck with adequate thenar function
What is the medical definition of metacarpophalangeal joint?
medical Definition of metacarpophalangeal. : of, relating to, or involving both the metacarpus and the phalanges. a metacarpophalangeal joint.
What is the meaning of the word metacarpal?
pertaining to the metacarpal bones of the hand and the phalanges of fingers, as in metacarpophalangeal joints. met·a·car·po·pha·lan·ge·al. Relating to the metacarpus and the phalanges; denoting the articulations between them.
How many metacarpal joints are there in the hand?
Metacarpophalangeal joint (Articulationes metacarpophalangeae) The metacarpophalangeal joints (MCP) are a collection of condyloid joints that connect the metacarpus, or palm of the hand, to the fingers. There are five separate metacarpophalangeal joints that connect each metacarpal bone to the corresponding proximal phalanx of each finger.