Orthopedics. Is the study of the musculoskeletal system. CTVT: pgs 676-677-Retractors and pgs 679-685. Please review all information on orthopedic instruments. You will be given an instrument identification exam over orthopedic instruments.
Double-action Ruskin rongeur-mechanically stronger than single-action.
Used to cut small pieces of dense tissue such as bone, cartilage, or fibrous tissue
The Musculoskeletal System consists of ?
Osteotomes and chisels are used to cut bone. Osteotomes and chisels are used by pounding on the flared end of the handle with a mallet.
Jacobs hand chuck
or a power drill
is required to
insert pins into
bone, and a pin
cutter is necessary
to cut it to the
or K wires
Bone-holding forceps. Left to right: Small Kern bone-holding forceps, large speed-lock forceps, large point-to-point forceps, small clamshell forceps.
Bone curettes of various sizes.
Used to scrape hard tissue such as bone or cartilage. Notice the cuplike structure. These are used for bone grafts.
In general these instruments
are called Periosteal
¼ inch Key elevator
Used to pry periosteum or muscle from the bone surface. They can have sharp or blunt edges and are available in various sizes.
This instrument is T-shaped and is used to remove a core of bone for biopsy. All of these instruments are very sharp. Use caution when handling them.
Orthopedic wire, wire twisters, wire cutters. Wire twisters look similar to needle holders but are more rugged and designed to withstand higher forces.
Bone plates must be bent to match the curve of
the bone and fastened to it with bone screws.
Bone plating equipment. Left to right: Drill guide, drill bit, depth gauge, tap sleeve (to prevent soft tissues from being caught on the bone tap), bone tap, and screwdriver.
External fixation is a means of stabilizing fractures using pins placed through the skin and bone. These pins are fixed to bars using special clamps.
Hip dysplasia is an abnormal development and growth of the hip joint. Both hips are usually affected, but only one side may show symptoms. Hip dysplasia occurs primarily in dogs that have a mature body weight of over 30 pounds. Genetics and nutrition appear to important factors in these dogs.
Intervertebral disk disease affects the spinal cord of chondrodystrophoid breeds at an earlier age than nonchondrodystrophoid breeds.