Trachea cannula

Claim 2

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having a coupling hole (122) attached to the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, wherein said box-like receptacle (1) is of the disposable kind made preferably of plastic material, and having a closed front wall (11) a rear wall (12) facing the patient's chest, bottom, top and side walls, said coupling hole (122) being cut out from the rear wall (12) of said receptacle (1) so as to match both in shape and dimension at least partially the open outer end branch of said inner tube (3), comprising two breathing holes (121) in the rear wall (12) of said receptacle (1), arranged at both sides close to said coupling hole (122) for the open outer end of said inner tube (3) in a manner that said breathing holes (121) and the coupling hole (122) form a single shaped opening within said rear wall (12) of said receptacle (1).

Claim 3

An improved trachea cannula as claimed in claim 1 characterized in having a fixing means (4) for securely but releasably attaching said receptacle (1) to the open outer end branch of said inner tube (3).

Claim 4

An improved trachea cannula as claimed in claim 1 characterized in both said outer and inner tube (2,3) having flanges (21,31) at their open outer ends respectively, and said fixing means (4) being designed and constructed as a snap fastener comprising an annular wall section (41) of said flange (31) of the inner tube (3), said annular wall section being insertable under slight pressure into a matching spherical socket (42) within said flange (21) of the outer tube (2), and said flanges (21,31) clamping securely wall partitions of the rear wall (12) of said receptacle (1).

Claim 5

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said inner tube having an open outer end with a peripheral flange (31) extending therefrom, said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) mounted over said flange (31) on the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, wherein said box-like receptacle (1) is of the disposable kind made preferably of plastic material, and having a closed front wall (11) a rear wall (12) facing the patient's chest, bottom, top and side walls, said receptacle (1) said breathing hole (121) being arranged in said rear wall (12) in the near proximity of a coupling hole (122) for said open outer end of the inner tube (3), and said coupling hole (122) being cut out from the rear wall (12) of said receptacle (1) so as to match both in shape and dimension at least partially the open outer end branch of said inner tube (3), further comprising at least a pair of distance pins (33) protruding from said flange (31) of said inner tube (3) towards the front wall (11) of said receptable (1).

Claim 6

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said inner tube having an open outer end with a peripheral flange (31) extending therefrom, said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) mounted over said flange (31) on the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, wherein said box-like receptacle (1) is of the disposable kind made preferably of plastic material, and having a closed front wall (11) a rear wall (12) facing the patient's chest, bottom, top and side walls, said receptacle (1) said breathing hole (121) being arranged in said rear wall (12) in the near proximity of a coupling hole (122) for said open outer end of the inner tube (3), and said coupling hole (122) being cut out from the rear wall (12) of said receptacle (1) so as to match both in shape and dimension at least partially the open outer end branch of said inner tube (3), further comprising at least a pair of distance pins (33) protruding from said flange (31) of said inner tube (3) towards the front wall (11) of said receptable (1).

Claim 7

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) attached to the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, further comprising a pipe (34) of reduced diameter arranged within said inner tube (3), said pipe (34) having an inlet branch in the proximity of the inner lower end of said inner tube (3), and a pipe end (341) outside said receptacle (1), said pipe end (341) being suitable for being connected to a sucking device, preferably a secretion pump for positively removing excess secretion from the patient's trachea.

Claim 8

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) attached to the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, further comprising a pipe (34) of reduced diameter arranged within said inner tube (3), said pipe (34) having an inlet branch in the proximity of the inner lower end of said inner tube (3), and a pipe end (341) outside said receptacle (1), said pipe end (341) being suitable for being connected to a sucking device, preferably a secretion pump for positively removing excess secretion from the patient's trachea.

Claim 9

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) attached to the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, further comprising a pipe (14) extending into said receptacle (1), said pipe (14) having an inlet branch (142) that is arranged within a suitable distance above the bottom wall of the receptacle (1), and said pipe having a pipe end (141) outside of said receptacle (1) for attaching a sucking device, preferably a secretion pump thereto for a temporary and positive discharge of the contents of said receptable (1).

Claim 10

An improved trachea cannula comprising a curved outer tube (2) and an inner tube (3) that is slidably and removably fitted within said outer tube (2), said outer tube (2) being insertable into the trachea of a patient through a neck hole opened surgically by laryngotracheotomy, wherein said trachea cannula comprises a box-like receptacle (1) having at least one breathing hole (121), a coupling hole (122) attached to the open outer end of said inner tube (3) in order to prevent secretion discharge into the surroundings of the patient, further comprising a pipe (14) extending into said receptacle (1), said pipe (14) having an inlet branch (142) that is arranged within a suitable distance above the bottom wall of the receptacle (1), and said pipe having a pipe end (141) outside of said receptacle (1) for attaching a sucking device, preferably a secretion pump thereto for a temporary and positive discharge of the contents of said receptable (1).