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cardiac suction unit

https://mhc.andornot.com/en/permalink/artifact3440
Collection
Mr. John Porter Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
Accession Number
997030002
Description
Cardiac suction unit, which consists of a large rectangular-shaped machine with four flat sides, a flat top and a slightly flared-out bottom that has four attached round wheels at the bottom of each corner; the front of the machine has a rectangular-shaped plastic panel at the centre of the top; th…
  5 images  
Accession Number
997030002
Collection
Mr. John Porter Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
MeSH Heading
Blood Circulation
Suction
Description
Cardiac suction unit, which consists of a large rectangular-shaped machine with four flat sides, a flat top and a slightly flared-out bottom that has four attached round wheels at the bottom of each corner; the front of the machine has a rectangular-shaped plastic panel at the centre of the top; this panel has three domed plastic lights at the top, two on/off switches and two amps in the centre and a manufacturer's label and two amps at the bottom; the front of the machine also has a round pressure gauge for vacuum in Hg with a round threaded knob below it, at the left side of the centre and a round increase/decrease dial at the right side of the centre; the lower left side of the front has a 180 cm. electric cord with a plug at the end coming out from it; the right side of the machine has two hollow cylindrical metal tubes near the top at the left and right sides; there are also two round pieces with a straight vertical slot cut out from the centre below the metal tubes; the centre of the right side has four equally-spaced round rubber buffer pieces; the lower half of the right side has a removable panel with four round metal clasps at each corner holding it in place; the bottom of the right side has an attached piece of metal sticking out at a 90 deg. angle; this attached piece has two rubber-lined oxygen tank-holding platforms; the back of the machine is flat, with no attachments; the left side of the machine is flat with only one attached round rubber piece at the centre; the outside edges of all four sides are painted beige; the top of the machine is flat and painted black; all four corners are slightly rounded; the left side of the top has an attached roller pump; this consists of a D-shaped piece of perspex plastic with an open centre, a large rectangular opening on the straight side and closed rounded edges; the roller pump is set onto a square piece of metal; the centre of the plastic piece has an attached piece of solid four-sided metal with straight sides and rounded top and bottom; the top right side and bottom left side of this metal piece have attached rollers; these rollers each have straight backs that hold two spherical metal balls with a cylindrical metal bar through the centre that holds them in place
Number Of Parts
1
Provenance
Originally purchased and used by KGH; owned by Ivan Cohen (dates?); purchased from Mr. Cohen by Mr. John Porter in the 1960s
Maker
New Electronic Products Ltd.
Site Made (City)
London
Site Made (Country)
England
Material
metal: silver; grey
rubber: black
plastic: clear; black
glass: clear
paint: beige; black
Inscriptions
The panel on the front of the machine has engraved words which read, "VACUUM // OFF // ON // ON // OFF // PUMP // PFF // ON // ON // OFF // MAINS FUSED 10 AMPS // FUSE 10 AMPS // CARDIAC SUCTION UNIT // TYPE 913 // SER. NO. C475/120 // NEW ELECTRONIC PRODUCTS LTD. // LONDON // FUSE 10 AMPS"; the fuse on the left side is identified as, "MAINS 10 AMP."
Permanent Location
Storage Room W1
W1-6-1
Dimension Notes
Length 116.5 cm x Width 68.0 cm x Depth 50.9 cm
Condition Remarks
The cardiac suction unit arrived extremely dirty and oily; the paint shows minor chips and scratches; very little corrosion -- a small amount is visible on the screws in the roller pump
Copy Type
Original
Reference Types
Photo
JPG
Reference Comments
See attached photographs; CD #5
Exhibit History
On display in the exhibit: The Heart-Lung Machine: Key to Open Heart Surgery, Nov. 1, 1999
Images
Less detail

heart and lung machine

https://mhc.andornot.com/en/permalink/artifact3439
Dates
1958
circa 1958
Collection
Mr. John Porter Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
Accession Number
997030001 a-b
Description
Melrose N.E.P. Extra Corporeal Heart and Lung Machine, which consists of (a) the heart and lung machine and (b) a stainless steel oxygenator; the machine is somewhat rectangular in shape and has a rubber and metal wheel on the bottom of each corner; the front of the machine is flat, then comes out …
  3 images  
Accession Number
997030001 a-b
Collection
Mr. John Porter Collection
Category
Diagnostic & Treatment Artifacts
Classification
Cardiology
MeSH Heading
Oxygenators
Heart, Mechanical
Cardiopulmonary Bypass -- instrumentation
Description
Melrose N.E.P. Extra Corporeal Heart and Lung Machine, which consists of (a) the heart and lung machine and (b) a stainless steel oxygenator; the machine is somewhat rectangular in shape and has a rubber and metal wheel on the bottom of each corner; the front of the machine is flat, then comes out at a 135 deg. angle to form a flat dial panel, then goes down at another 135 deg. angle to form a flat front again; the top left side of the front of the machine has a round bakelite button which can be pushed in to reset the pump; there are three on/off switches to the right of the pump reset button; each on/off switch is made of rounded bakelite that is flat at the bottom and tapers to a blunted point; each switch is set into the machine and has a round plastic backing piece which identifies what part of the machine it controls and indicates the on and off positions; the switches control L--;R: the pump, heaters and oxygenator; there is a round increase/decrease dial below each on/off switch; each dial is made of rounded metal and plastic with a cylindrical handle set onto one edge; a small counter is set into the machine beside each dial; the lower left side of the front of the machine has a round warning unit button as well as four round fuses for (L--;R) pump, heaters, oxygenator and pilot lights; there are two plastic-covered plug inlet areas below the fuses, one of which has a square-backed, three-pronged plug in it; the centre of the machine has an engraved plastic manufacturer's label attached with screws; the label lists product information; the top right corner of the front of the machine has an attached roller pump; the roller pump consists of a U-shaped piece of perspex plastic with an open centre, a large rectangular opening on the straight side and closed, rounded edges; the roller pump is set onto a square piece of metal; the centre of the plastic piece has an attached piece of solid four-sided metal with straight sides and rounded top and bottom; the top right side and bottom left side of this metal piece have attached rollers; these rollers each have straight backs that hold two spherical metal balls with a cylindrical metal bar through the centre that holds them in place; there are three hollow cylindrical plastic hoses looped through this roller and coming out from it; the right side of the machine is flat with a heavy cylindrical metal handle formed into a D-shape, set into the top right and left corners; the right side of the machine is flat with rounded handles at the top right and left side; the back of the machine is flat; there are nine large round screws around the edges; the left side of the machine is flat with a hinged door set into the centre; the door allows access to the inside of the machine; there are rounded handles at the top right and left sides; the lower right corner of the left side has a domed plastic light and two round bakelite fuses; below these is a short hollow cylindrical piece of metal sticking out from the machine, as well as a 337 cm. length of electric cord with a round metal plug at the end; the top of the machine is flat and painted black; the top of the machine slopes down from the right to the left; there is a metal mesh-covered rectangular hole at the left half of the top; the right side of the top has a flat piece attached and sticking up from the top; there is a hole through this piece through which eight lengths of hollow cylindrical tubes go; all of the tubes have open bevelled ends that turn up very slightly; four tubes are almost as long as the top of the machine and four are very short; the left and right sides of the top of the machine also have two inset metal rollers each, which hold and turn the oxygenator; the oxygenator (b) consists of a large, hollow cylindrical metal tube made of seven sections joined together with eight solid cylindrical metal bars at the outer edges; the bars run the entire length of the oxygenator; each section has a thin round rubber cushion between them; each section contains around 20 flat circular inner discs; each disc has a hole through its centre -- some are off-centre; the seven sections are off-centred to the right, then to the left, alternately; the outer edges of each section have eight small holes through them for the bars to go through; the top of the bars are threaded and have a round screw which holds the sections together on the bars
Number Of Parts
2
Part Names
a- heart-lung machine - Size: Length 121.0 cm x Width 50.3 cm x Height 92.0 cm
b - oxygenator - Size: Length 80.0 cm x Diam. 24.5 cm
Provenance
Originally purchased and used by KGH; owned by Ivan Cohen (dates?); purchased from Mr. Cohen by Mr. John Porter in the 1960s
Maker
New Electronic Products Ltd.
Site Made (City)
London
Site Made (Country)
England
Dates
1958
circa 1958
Date Remarks
The heart-lung machine was purchased by KGH after Dr. Lynn came in 1958
Material
metal: silver
rubber: black
plastic: clear; red; black; white; off-white
Inscriptions
(a) The front of the machine reads, "RESET // PUMP // PUMP // OFF // ON // ON // OFF // INCREASE // DECREASE // HEATERS // OFF // ON // ON // OFF // INCREASE // DECREASE // OXYGENATOR // OFF // ON // ON // OFF // INCREASE // DECREASE // WARNING UNIT // PUMP // HEATERS // OXYGENATOR // PILOT // LIGHTS // MELROSE - N.E.P. // EXTRA CORPOREAL // HEART AND LUNG MACHINE // MADE IN NEP ENGLAND // NEW ELECTRONIC PRODUCTS LTD // LONDON // SERIAL NO. C474/120 // TYPE No. 914"
Permanent Location
(a): Storage Room W1
W1-7-1
(b): Storage Room W1
W1-12-1
Condition Remarks
The heart-lung machine arrived extremely dirty and oily; the paint shows minor chips and scratches, but no corrosion is visible; the oxygenator also arrived dirty and dusty, with minor wear and no missing parts or corrosion
Copy Type
Original
Reference Types
Person
Document
Photo
JPG
Reference Comments
Dr. R. Beverley Lynn; "Development of the Cardiopulmonary Bypass Machine: Two Hundred Years of Enquiry," by Daniel Sipes, 1998, pp. 72-75; see attached photographs; CD #6.
Research Facts
The heart-lung machine was purchased by KGH after Dr.Lynn came in 1958; the oxygenator was made by Mr. Fred Siemonsen in 1960; the oxygenator shape is a spigelian helix
Exhibit History
On display in the exhibit: The Heart-Lung Machine: Key to Open Heart Surgery, Nov. 1, 1999
Images
Less detail