types:
ballistocardiograph,
cardiograph
a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
bronchoscope
a slender tubular instrument used to examine the bronchial tubes
dialysis machine,
dialyzer
a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes
diathermy machine
a medical instrument for local heating of bodily tissues for medical purposes
electromyograph
a medical instrument that records the electrical waves associated with the activity of skeletal muscles
endoscope
a long slender medical instrument for examining the interior of a bodily organ or performing minor surgery
fiberscope
a flexible medical instrument involving fiber optics that is used to examine internal organs
keratoscope
medical instrument to examine the cornea in order to detect irregularities in its anterior surface
auriscope,
auroscope,
otoscope
medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
polygraph
a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
rhinoscope
medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx)
speculum
a medical instrument for dilating a bodily passage or cavity in order to examine the interior
stethoscope
a medical instrument for listening to the sounds generated inside the body
syringe
a medical instrument used to inject or withdraw fluids
thermograph
medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body
arthroscope
a type of endoscope that is inserted into a joint for visual examination
artificial kidney,
hemodialyzer
a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body
colonoscope
an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum
culdoscope
a specialized endoscope for visually examining a woman's pelvic organs
curet,
curette
a surgical instrument shaped like a scoop to remove tissue from a bodily cavity
dermatome
a surgical instrument used to cut very thin slices of skin
dilater,
dilator
a surgical instrument that is used to dilate or distend an opening or an organ
douche,
douche bag
a small syringe with detachable nozzles; used for vaginal lavage and enemas
fetoscope,
foetoscope
a stethoscope placed on the pregnant woman's abdomen to listen for the fetal heartbeat
gastroscope
a type of endoscope for visually examining the stomach
haemostat,
hemostat
a surgical instrument that stops bleeding by clamping the blood vessel
laparoscope
a slender endoscope inserted through an incision in the abdominal wall in order to examine the abdominal organs or to perform minor surgery
lie detector
a polygraph that records bodily changes sometimes associated with lying
orthoscope
an ophthalmoscope with a layer of water to neutralize the refraction of the cornea
photocoagulator
surgical instrument containing a laser for use in photocoagulation
probe
a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities
retractor
surgical instrument that holds back the edges of a surgical incision
snare
a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities
trepan,
trephine
a surgical instrument used to remove sections of bone from the skull