Ambu Hesse anaesthetic valve, which consists of a main body with side and bottom pieces; the main body (a) is made of hollow, rounded orange plastic with a round threaded opening at the left and right sides and a hollow, cylindrical clear tube set into the middle of the body; there is also a hollow…
Ambu Hesse anaesthetic valve, which consists of a main body with side and bottom pieces; the main body (a) is made of hollow, rounded orange plastic with a round threaded opening at the left and right sides and a hollow, cylindrical clear tube set into the middle of the body; there is also a hollow cylindrical tube at the bottom that connects at its top to the main body and has a round open bottom; the right side of the main body has an attached cylindrical inlet cone (b); this cone is made of cylindrical hollow blue plastic with threading at the left side to allow it to attach to the main body and a round open right side that is tapered to a smaller diameter; the right side edges have two round slots cut into them; the right side opening has a round yellow plastic insert at the inside sides and a convex-shaped fine wire mesh covering the opening; the left side of the inlet cone has a small round piece going beyond the threaded section; this is covered by a silicone shutter; this shutter is a yellow silicone formed into a round form that fits over the small opening on the main body that has a thin flexible top piece attached at two side points; the shutter fits in between the main body and the inlet cone and allows it to control inspiration and expiration gas flow; the left side opening of the main body attaches with (c) the outlet cap; this cap is round in shape and of narrow depth; it is threaded on the inside edges to allow it to attach to the main body; the right side is open to allow the attachment to the main body; the left side has three open slots in the outer edges and a covered central section.
Number Of Parts
3
Part Names
a - Hesse valve body - Size: Length 4.0 cm x Width 5.1 cm x Depth 3.1 cm
b - inlet cone - Size: Length 4.3 cm x Diam. 2.9 cm
c - outlet cap - Size: Length 1.0 cm x Diam. 3.0 cm
(a) Raised lettering in the plastic of the main body reads, "AMBU // PATIENT // INTERNAT. PAT. PEND. // PATIENT"; the inlet cone reads, "IN" three times in raised lettering along the outer left edges
Permanent Location
Storage Room 0010
0010-F2-3
Condition Remarks
The valve and attachments arrived dirty and dusty; all parts show minor wear, but there are no chips, cracks or stains in the plastic; the outlet cone is missing; the silicone shutter is complete and flexible; the shutter that should go between the main body and the outlet cap is missing; the metal mesh screen shows no corrosion
Copy Type
Original
Reference Types
Document
Reference Comments
Manufacturer's directions for valve use
Research Facts
This unit likely originally came with an outlet cone (now missing); the outlet cone would have been for a tube connection; the outlet cap was for use in open systems