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Welsh Self-retaining Electrocardiographic Electrode

https://mhc.andornot.com/en/permalink/artifact3216
Dates
1925
1935
circa 1925-1935
Collection
Dr. Charles H. Bird / Dr. Godfrey Bird Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
Accession Number
997037110 a-b
Description
An electrode (a) that is a round, rubber bulb with a pronounced ridge traversing the centre; the bottom of the bulb tapers to a short stem that fits snugly over a steel stem that protrudes from a semi-circular concave steel shell; at the joint a short valv-like electrical connector extends from theā€¦
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Accession Number
997037110 a-b
Collection
Dr. Charles H. Bird / Dr. Godfrey Bird Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
MeSH Heading
Electrodes
Electrocardiography, instrumentation
Cardiology -- instrumentation
Description
An electrode (a) that is a round, rubber bulb with a pronounced ridge traversing the centre; the bottom of the bulb tapers to a short stem that fits snugly over a steel stem that protrudes from a semi-circular concave steel shell; at the joint a short valv-like electrical connector extends from the stem; the connector has a screw-thread clamp that secures the connector in a drilled-out hole; the box (b) is a small, rectangular cardboard box with flaps on both ends and a glue seam on the bottom corner
Number Of Parts
2
Part Names
a - electrode - Size: Length 6.9 cm x Width 4.1 cm x Depth 3.5 cm
b - box - Size: Length 8.0 cm x Width 4.5 cm x Depth 4.5 cm
Provenance
Used either by Dr. C. H. Bird or by Dr. Godfrey Bird, of Gananoque, Ont.
Maker
Bowen and Company, Inc.
Site Made (City)
Bethesda
Site Made (State)
Maryland
Site Made (Country)
United States of America
Dates
1925
1935
circa 1925-1935
Material
metal: silver-grey
rubber: red
cardboard: off-white
Inscriptions
Printed on front of box: "ONE // WELSH SELF-RETAINING // ELECTROCARDIOGRAPHIC ELECTRODE // Cat. No. EK-351 // THE BURDICK CORPORATION // MILTON, WISCONSIN"; printed on box flap: "Manufactured By // Bowen & Co., Inc. // Bethesda, Md. // Patent No. 2,580,628"; printed on back: "CAUTION // [list of cautions]"; printed on box flap: "ONE // WELSH SELF-RETAINING // ELECTROCARDIOGRAPHIC // ELECTRODE // CAT. NO. EK-351"
Permanent Location
Storage Room 0010
0010-E6-8
Condition Remarks
Box shows only minor marks and scuffing; the rubber bulb of the electrode has hardened and cracked along seams and sleeve
Copy Type
Original
Reference Types
Book
Reference Comments
"Antique Medical Instruments," by Keith Wilbur, M.D., Westchester, 1987, p. 40
Research Facts
This is a modification of Burger's 1932 suction precordial electrode
Images
Less detail