Identification of Heart Valve Prostheses in Use Prior to 1975

1200

Starr-Edwards Lab.

aortic

1260

Starr-Edwards Lab.

aortic

2320

Starr-Edwards Lab.

aortic

2400

Starr-Edwards Lab.

aortic

6120

Starr-Edwards Lab.

tricuspid, mitral

6320

Starr-Edwards Lab.

tricuspid, mitral

6400

Starr-Edwards Lab.

tricuspid, mitral

6520

Starr-Edwards Lab.

tricuspid, mitral

Beall (104)

Surgitool Inc

tricuspid, mitral

Beall-Surgitool (105)

Surgitool Inc

tricuspid, mitral

Bjork-Shiley

Shiley Laboratories

tricuspid, mitral, aortic

Braunwald-Cutter

Cutter Laboratories

tricuspid, mitral, aortic

Cooley-Cutter

Cutter Laboratories

mitral

Cross-Jones

Pemco Inc

mitral, aortic

Debakey-Surgitool

Surgitool Inc

aortic

Harken Ball

Surgitool Inc

aortic

Harken Disk

Surgitool Inc

mitral

Kay-Shiley

Shiley Laboratories

tricuspid, mitral

Lillehei-Kaster

Medical Inc

mitral, aortic

McGoven-Cromie

Surgitool Inc

aortic

Smeloff-Cutter

Cutter Laboratories

tricuspid, mitral, aortic

Surgitool Series 200

Surgitool Inc

aortic

1

a

cage of prostheses open

go to 2

b

cage closed

go to 4

2

a

single open cage

go to 3

b

double cage with 3 long struts projecting from one surface of the inner ring and 3 separate shorter struts projecting from the other surface; struts of naked metal (titanium); convex metal inner ring; large valve orifice occluded by a plastic poppet of silicone rubber; poppet seats at the equator

Smeloff-Cutter

3

a

single open cage has 3 naked metal struts; struts made of titanium; tiny retractable noncutting curved surgical needles project radially from the outer rim of the sewing ring; inner ring of metal; plastic poppet of silicone rubber

McGovern-Cromie

b

single cage has 3 metal struts; struts are cloth covered; metal inner ring covered by polypropylene mesh; plastic poppet of silicone rubber; poppet seats proximal to its equator

Braunwald-Cutter

4

a

no "feet" in valve orifice opposite cage

go to 5

b

3 small triangular metal feet project into valve orifice on surface opposite cage; metal feet of Stellite 21; wide metal inner ring; plastic poppet of silicone rubber; poppet seats proximal to its equator

Starr-Edwards 1000

5

a

struts of cage naked metal

go to 6

b

struts of cage cloth covered

go to 9

6

a

3 struts to cage

go to 7

b

4 struts to cage

go to 8

7

a

metal inner ring extends as a lip onto the inflow surface of the sewing ring opposite the cage; plastic poppet of silicone rubber; poppet seats proximal to its equator

Starr-Edwards 1200

b

metal inner ring does not extend onto inflow surface of sewing ring; plastic poppet seats proximal to its equator

Starr-Edwards 1260

c

wide black plastic inner ring of polypropylene; black poppet coated with pyrolytic carbon; poppet seats proximal to its equator

Debakey-Surgitool

8

a

metal inner ring extends as a lip onto the inflow surface of the sewing ring opposite the cage; plastic poppet seats proximal to its equator

Starr-Edwards 6000

b

metal inner ring does not extend into inflow surfaces; plastic poppet seats proximal to its equator

Starr-Edwards 6120

9

a

3 struts to cage

go to 10

b

4 struts to cage

go to 13

10

a

cloth covered inner ring

go to 11

b

composite inner ring with tiny metal squares or studs projecting through cloth covering ring

go to 12

c

plastic inner ring of polyethylene; silver metal poppet of hollow titanium; seats proximal to its equator

Harken

11

a

cloth covered metal bars of cage welded together at the apex; silver metal poppet of titanium; poppet easily "popped" out of cage

Surgitool 200

b

cloth covered metal bars of cage not welded together at the apex; silver metal poppet (Stellite 21); poppet "popped" out of cage only with difficulty and use of considerable pressure

Starr-Edwards 2300

12

a

struts diverge slightly towards apex; silver metal poppet

Starr-Edwards 2320

b

struts do not diverge towards apex; silver metal poppet

Starr-Edwards 2310

c

composite struts with metal track on inner side of each; silver metal poppet

Starr-Edwards 2400

13

a

composite inner ring with tiny metal squares projecting through cloth covered ring

go to 14

b

cloth covered inner sewing ring; silver metal poppet

Starr-Edwards 6300

14

a

struts diverge slightly towards apex; silver metal poppet seats close to equator

Starr-Edwards 6320

b

struts do not diverge towards apex; silver metal poppet seats close to equator

Starr-Edwards 6310

c

composite struts with metal track in inner aspect of each; silver metal poppet

Starr-Edwards 6400

1

a

struts of cage project vertically from sewing ring

go to 2

b

struts project from sewing ring at an angle other than right angle

go to 7

c

struts or feet project horizontally into valve lumen

go to 8

2

a

cage open

go to 3

b

cage closed

go to 4

3

a

4 naked metal struts bent at right angles across the valve orifice but do not meet; struts made of titanium; 4 metal feet project across orifice on surface opposite cage; sewing cuff has eccentric outline; wide convex metal inner ring; black poppet made of pyrolytic carbon; poppet seats at its equator in valve orifice but does not completely fill it

Cooley-Cutter

b

3 naked metal struts in triangular configuration bent at right angles across valve orifice; struts made of titanium; no feet in orifice; inner ring of metal extends to sewing ring; inner ring may have cloth covering; plastic poppet seats on valve orifice; poppet has metal ring in substance and has a size number stamped in its center

Cross-Jones

4

a

cage closed by 4 struts meeting at its apex

go to 5

b

cage closed by 4 struts forming 2 metal bars at apex of cage; cloth-covered inner ring

b1

at apex, bars bend inwards slightly over lumen; cloth covered inner ring covered with white plastic; disk made of Teflon; disk seats over valve orifice

Beall 104

b2

bars parallel; struts, bars and disk coated with pyrolytic carbon; disk seats over valve orifice

Beall-Surgitool 105

b3

parallel bars of naked metal; disk made of silicone rubber and is semi-translucent; disk seats over valve orifice; metal inner ring of varying width; may have clothe covered metal "muscle guards" partially encircling the circumference of the prosthesis; valves with metal guards may have cloth covering inner ring

Kay-Shiley

5

a

metal inner ring

go to 6

b

cloth covered inner ring

b1

4 naked metal struts of titanium; plastic disk of silicone rubber; seats over valve orifice; may have a turtle-neck vertical sewing cuff

Harken

b2

4 naked metal struts; metal disk made of Stellite; disk seats over valve orifice

Starr-Edwards 6500

6

a

4 flattened metal struts; struts made of Stellite; inner metal ring extends onto outflow surface of sewing ring; semitranslucent plastic disk made of polypropylene with inner metal ring made of titanium

Starr-Edwards 6520

b

4 naked metal struts; struts made of titanium; 4 metal feet project from inner ring into valve orifice opposite cage; plastic poppet made of silicone rubber

Kay-Suzuki

7

2 naked metal struts of titanium; struts thicker at base than along the free margin; struts project from sewing ring at an angle < 90°; struts form an open cage; 3 tiny metal feet project into the valve orifice from inner ring on surface opposite the cage; 2 of the feet act as hinges and the third as disk stopper; metal inner ring; black disk of pyrolytic carbon; disk seats in prosthesis lumen at its equator

Lillehei-Kaster

8

a

no obvious cage; 2 small metal feet project horizontally into valve orifice producing hinge upon which disk pivots; metal inner ring extends as lip onto inflow and outflow surfaces; inner ring is made of titanium; plastic disk is made of polyethylene and shows Z-shape in profile; disk occludes orifice by part of disk seating on both surfaces

Wada-Cutter

b

2 curved and roughly "U"-shaped naked metal struts project horizontally from inner metal ring into valve lumen; struts made of titanium; disk either black (pyrolytic carbon) or white (Delrin); disk pivots on the struts; disk may have a shallow well on one side and at its center; configuration of sewing cuff varies with insertion site

Bjork-Shiley