Medical instrument and their uses

1.         Elevator:
An instrument that is used to raise a depressed broken bone, for example in the
skull or chest.
2.         Electrocarlograph:
A technique for recording the electrical activities of the eye.
3.         Eikonometer:
An instrument for measuring the size of images on the retina of the eye.  
4.         Divaricator:
A scissor like surgical instrument used to divide portion of tissue into two
separate parts during an operation.
5.         Algesimeter:
A piece of equipment for determining the sensitivity of the skin to various
touch stimuli especially those causing pain.

6.         Arthroscopies:
A telescope for insertion into a joint through a small incision in order to
inspect its content.
7.         Auriscope
(Otoscope): An apparatus for examining the eardrum and the passage leading to
it from the ear (External meat-us).
8.         Autorefractor:
A machine that automatically determines the required correction for a spectacle
lens.
9.         Bistoury:
A narrow surgical knifew with a straight or curved blade.
10.       Microscope:
An instrument for producing a greatly magnified image or an object which may be
so small as to be invisible to the naked eye.
11.       Micrometer:
An instrument for making externally fine measurement or thickness or length,
often relying upon the movement or a screw thread and the principle of the
venier.
12.       Methylated
spirit: It is used as a solvent, cleaning fluid and fuel.
13.       Mechotherapy:
The use of mechanical equipment during physiotherapy to produce regular
repeated movement in part of the body.
14.       Matrix
band: A flexible strip that is placed round a toot to restore a wall, thus
simplifying insertion of a dental filling.
15.       Magill’s
forceps: Long angled forceps for use with a laryngoscope in removing foreign
body from the mouth and throat of an unconscious patient.    
16.       Laryngoscope:
A device consisting of a handle and a curved blade, filted with a light for
removing the tongue and the epiglutis aside to inspect the larynx.
17.       Kinaesthesiometer:
An instrument for measuring a patient awareness of the muscular and joint
movement of his own body.
18.       Keratometer
(opthalmometer): An instrument for measuring the radius of curvature of the
cornea.
19.       Ketathermometer:
A thermometer used to measure the cooling power of the air surrounding it,
having its bulb covered with water moistened material.
20.       Hygrometer:
An instrument for measuring the relative humidity of the atmosphere.
21.       Heater-probe:
A device that can be passed through an endoscope to apply controlled heat in order
to coagulate a bleeding peptic ulcer.
22.       Heat-lung
machine: An apparatus for taking over temporarily the function of both the heat
and lungs during heart surgery.
23.       Guillotime:
An instrument for measuring the tonsil.
24.       Grommet:
A flagged metal or plastic tube that is inserted into the eardrum in case of
glue ear.
25.       Gouge:
A curved chisel used in orthopedic operation to cut and remove bone.
26.       Gorget:
An instrument formally used in the operation for removal of stones from the
bladder.
27.       Gastroscope:
An illuminated optical instrument used to inspect the interior of the stomach.
28.       Gamma
camera: A piece of apparatus that detect radioactivity in the gamma rays
emitted by radioactive isotope that has been introduced into the body as
tracers.
29.       Freisnal
prism:  A flexible plastic prism that can
be stunk to spectacle lenses to provide a prism to correct double vision.
30.       Volsellum:
Surgical forceps with clav-like hooks at the end of both blades.
31.       Forceps:
A pincer-like instrument design to grasp an object so that it can be held firm
or pulled.
32.       Fluoroscope:
Historically, an instrument by which x-rays were projected through a patient through
a fluorescent screen enabling the resultant image to be viewed directly by the
radiologist.
33.       Flowmeter:
An instrument for measuring the flow of liquid or gas.
34.       Falloposcope:
A narrow flexible fibre-optic endoscope used to view the inner of the fallopian
tube.
35.       Exvacator:
A spoon shaped surgical instrument that is used to scrape out diseased tissue
usually for laboratory examination.
36.       Evacuator:
A device for sucking fluid out of a cavity.
37.       Ergo
graph: An apparatus for recording the work performs by the muscle or the body
when undergoing activity.   
38.       Epidiasoscope:
An apparatus for projecting a greatly magnified image of an object, such as a
specimen on a microscope slide into a screen.
39.       Enteroscope:
An illuminate optical instrument used to inspect the interior of the small
intestine.
40.       Video-otoscope:
Is a small endoscope connected to a digital camera for examining the outer ear
and eardrum.
41.       Ventilator:
Equipment that is manually or mechanically operated to maintain a flow of air
into and out of the lungs of a patient who is unable to breath normally.
42.       Vacuum
extractor: Is a device to assist delivery consisting of a suction cup that is
attached to the hand of the fetus.
43.       Urinometer:
A hydrometer for measuring the specific gravity of urine.
44.       Urethroscope:
An endoscope consisting of a fine tube titled with a light and lenses for
examination or the interior of the male urethra including the prostate region.
45.       Ultrasonograph:
The use of ultrasound to produce image of structure in the human body.
46.       Utramicrotome:
An instrument for cutting externally thin section of tissue (not more than 0.1m
thick) for electron micrology.
47.       Trucs:
A device for applying pressure to a hernia to prevent it from profrding.
48.       Trocarl:
An instrument used with a connula to draw off fluid from a body cavity (such as
peritonea cavity).
49.       Trephine:
A surgical instrument used to remove a circular area of tissue, usually from
the cornea of the eye, it consist of a hallow tube with a serrated cutting
edge.
50.       Transclucer:
A device used to convert one from one or surgical into another, allowing its
measurement or display to be made appropriately.
51.       Tonometer:
Is a small instrument for measurement the pressure inside the eye.
52.       Tinometer:
An instrument used for measuring the depth of colour or a liquid.
53.       Thorascope:
An instrument used to inspect the pleural cavity.
54.       Thermometer:
A device for registering temperature.
55.       Tampon:
A pack of qauze cotton wool or other above bent material used to plug a cavity
or canal in order to absorb blood or secretion.
56.       Swap:
A pad or absorbent material (such as cotton) same times attaon to a stick or
wire, used for cleaning oil applying medication to wound, operation site or
body cavities.
57.       Surgical
spirit methylated spirit usually with a small amount of castor oil and oil of
whiter green used to sterilize the skin before surgery injection.
58.       Strain
Guage: A sensitive instrument for measuring tension an alteration in pressure.
59.       Stop
niddle: A surgical niddle with a shank that has a protruding collar to stop it
when the niddle has been pushed a prescribed distance into the tissue.
60.       Spud:
A blank needle used for removing foreign bodies embedded in the cornea or the
eye.
61.       Spirometer:
An instrument used for measuring the volume of air inhaled and exhaled.
62.       Sphygomanometer:
An instrument for measuring blood pressure in the arteries.
63.       Speculum:
A metal instrument for inserting into and holding open a cavity of the body,
such as the vagina, rectum or nasal orifice in order that the anterior be
examined.
64.       Spatula:
An instrument with a blunt blade used to spread ointments or plasters and
particularly in dentistry to mix materials.
65.       Spectrometer:
Any instrument for measuring the intensity and wave lengths of visible and
invisible electromagnetic radiation.
66.       Simulator:
An x ray device used in radio therapy to localize accurately the exact position
of the final exposure of the radiation before treatment begins.
67   
Siqmoidoscope: An instrument inserted through the anus in order to
inspect the interior of the rectum and sigmoid colon.
68.       Self-inflating
bag: A device for delivering emergency artificial ventilation by means of a
tight fitting face mask, a laryngeal mask or an endotracheal tube.
69.       Scoto-meter:
An instrument used for mapping defect in the vision field.
70.       Scope:
An instrument used for examining the stomach.
71.       Scalar:
An instrument for removing calculus from the teeth
72.    
Rubber dam (in dentistry) a sheet or rubber used to isolate one or more
teeth during treatment.
73.    
Rongeur: Powerful biting forceps for lutting tissue, particularly bone.
74.   
Ring block: A circumferential ring of local anaesthetic solution used to
block the nerves or a digit for purpose of minor surgery.
75.  
 Retractor: A surgical instrument
used to expose the operation site by drawing aside the cut edge of skim, muscle
or other tissues.
76.       Retinoscope:
An instrument used to determine the power of spectacle lens require to correct
errors of refraction of the eye
77.    
Respirator: A device used to maintain the breathing movement of
paralysed patients.
78.   
Resectoscope: A type of surgical instrument (an enddoscope) used in
resection of the prostate or in the removal of bladder fumours.
79.       Raspotory:
A flat like surgical instrument used for scraping the surface or bone.
80.       Repository:
An instrument used to return a displaced part or the body for instance a
prolassed uterus to a normal position.
81.       Pneumograph:
An instrument used to record the movement made during respiration.
82.       Pladqet:
A small ward of dressing material such as lint used either to cover a wound or
sore or as a plug.
83.       Plaster:
Adhesive tape used in shape pieces or as a bandage to keep a dressing in place.
84.       Parameter:
A measurement of some factor, such as blood pressure, pulse, rat, or
heamoglosin level, that may have a bearing on the condition being
injestication.
85.       Pachymeter:
An instrument used to measure the thickness of the cornea.
86.       Oximeter:
An instrument for measuring the proportion of oxygenated heamoglobin
(oxyheamoglobin) in the blood.
87.       Oxygenator:
A machine that oxygenates blood out side the body.
88.       Osteotome:
A surgical chisel design to cut bone.
89.       Oscilloscope:
A cathoderray tube designed to display electronically a wave form corresponding
to the electrical data led into it.
90.       Orchidometer:
A calliper device for measuring the size or a testicles.
91.       Optometer
(refractormeter): An instrument for measuring the refraction of the eye.
92.       Oncometer:
An instrument used in measuring volume of blood circulating in one of the limb
93.       Ommaya
reserviour: A device inserted into the ventricles of the brain to enable the
repeated injection of drugs into the cerebrospinal fluid.
94.       Oesophagoscope:
An illuminated optical instrument used to inspect the interior of the
oesophagus.
95.       Nephroscope:
An instrument used for examining the anterior of the kidney.
96.       Needle:
Used for sewing up tissue during surgery are of various design, for specific
operation.
97.       Microfome:
An instrument for cutting extremely thin slice of material that can be examined
under a microscope.
98.       Obturator:
A wire or rod within a cannula or hollow needle for piercing tissues or fitting
aspirating needles.
99.       Myograh:
An instrument for recording the activity of muscular tissues.
100.    Wechsler:
Scales standardized scales for the measurement of intelligence quotient (1a) in
adult and children.
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