JP2007536980A5

JP2007536980A5 -

Info

Publication number: JP2007536980A5
Application number: JP2007512715A
Authority: JP
Filing date: 2005-04-21
Publication date: 2009-08-13

Claims

Between the passage (36, 38, 40) of the multi-lumen type pipe used in the endoscope apparatus (10) and the pipe (72, 74, 76) for supplying a fluid medium to the multi-lumen type pipe A connector (30) for establishing fluid communication at
The connector (30) comprises a main body portion (46) formed with a through bore extending longitudinally between an inlet opening (58) and an outlet opening (56),
The main body portion (46) further comprises a plurality of transverse ports (60, 62, 64) in fluid communication with the bore,
The connector (30) is provided with a sealing arrangement which divides the annular space around the proximal end of the multi-lumen pipe into separate annular pockets (86, 88), thereby A connector in which the pocket is always in fluid communication with the corresponding radial port (60, 62) regardless of the angular direction of the multi-lumen piping in the bore .

The connector of claim 1, wherein the bore has a diameter D that is greater than a diameter d of the proximal end (34) of the multi-lumen piping .

The sealing arrangement comprises a plurality of separate annular projections (78, 80, 82, 84) arranged around the circumference of the bore;
The annular pocket (86, 88) is formed between the annular protrusions (78, 80, 82, 84),
The connector of claim 1 , wherein the annular pocket (86, 88) is defined by an outer periphery of the proximal end (34) of the multi-lumen pipe and a circumference of the bore .

The sealing arrangement comprises a tubular insertion member displaceable in the bore;
The insertion member is provided with a longitudinal channel and a transverse port in fluid communication with the transverse port (60, 62, 64) of the main body portion (46);
The longitudinal channel is provided with a separate annular projection disposed on the circumference of the channel;
The annular pocket is formed between the protrusions, and the annular pocket is defined by an outer periphery of the proximal end (34) of the multi-lumen pipe and a circumference of the channel. Connector described in 1.

The main body portion (46) is made from a resilient plastic material, the connector according to claim 3.

The connector according to claim 2, wherein the main body part (46) is detachably connectable to an operating handle (14) of the endoscopic device (10) .

The proximal port (48) is provided with an inlet opening (90) and a stenosis section (92) that allows a surgical instrument to be inserted into the proximal port (48) . 6. A connector according to claim 5, wherein said connector is capable of being closed by means (94) for sealing said bore when not done.

The connector according to claim 2, wherein the transverse ports (60, 62, 64) are oriented so that the fluid medium can be tangentially supplied to the multi-lumen pipe.

The connector of claim 8, wherein the fluid medium comprises water, air, and vacuum .

The connector according to claim 5 , wherein the plastic material is silicon rubber .

The connector of claim 1, wherein the connector is disposable.

A multi-lumen pipe that can be placed in the insertion pipe of the endoscope apparatus (10),
The multi-lumen piping comprises an elongated body having a distal end and a proximal end (34);
The body has an axial working passage (36, 38) for supplying a fluid medium and an axial passage (40) for insertion and withdrawal of a surgical instrument (96);
The base end (34) is provided with openings (42, 44) in fluid communication with the working passages (36, 38) for supplying a fluid medium.
Multi-lumen type piping characterized by that .

The multi-lumen pipe according to claim 12, wherein the radial openings (36, 38) comprise a rectangular cut-out directed in a tangential direction.

13. Multi-lumen piping according to claim 12, wherein the passage (40) for insertion and withdrawal of the surgical instrument (96) is provided with an axially open end.

13. The working passage (36, 38) for supplying a fluid medium has an elliptical cross section, and the passage (40) for insertion and withdrawal of the surgical instrument has a circular cross section. Multi-lumen type piping as described.

The multi-lumen pipe according to claim 12, wherein the multi-lumen pipe is made of an elastomer material.

The multi-lumen pipe according to claim 12, wherein the multi-lumen pipe is disposable.

An endoscopic device,
An endoscope provided with an insertion tube ;
A multi-lumen type pipe that can be inserted into the insertion pipe , wherein the multi-lumen type pipe includes an operating passage (36, 38) for supplying a fluid medium to the endoscope, and insertion of a surgical instrument; The multi-lumen pipe provided with a passage (40) for extraction;
A tube for supplying a fluid medium the said working channel of the multi-lumen type piping (36, 38),
A connector (30) for establishing fluid communication between the working passage (36, 38) and the tube, the connector comprising a main body part (46) provided with a through bore; The main body portion further comprises lateral ports (60, 62, 64) in fluid communication with the bore, the bore being inserted into the bore at the proximal end (34) of the multi-lumen piping. And is adapted to be withdrawn from the bore, the tube is adapted to be received in the lateral port, and the connector (30) is provided with a sealing arrangement, the sealing arrangement Divides the annular space around the proximal end (34) of the multi-lumen piping into separate annular pockets (86, 88), thereby providing an angular orientation of the multi-lumen piping within the bore. Sekiwara The pockets are always in fluid communication with the corresponding radial ports (60, 62), and the base end (34) of the multi-lumen pipe is connected to the working passage and the Said connector provided with radial openings (42, 44) for establishing fluid communication with the lateral ports ;
An endoscope apparatus comprising:

The sealing arrangement comprises separate annular protrusions (78, 80, 82, 84) disposed around the circumference of the bore;
The annular pocket (86, 88) is formed between the annular protrusions (78, 80, 82, 84);
The endoscopic device according to claim 18, wherein the annular pocket (86, 88) is defined by the outer periphery of the proximal end (34) and the circumference of the bore .

The sealing arrangement comprises a tubular insertion member displaceable in the bore;
The insertion member is provided with a longitudinal channel and a transverse port in fluid communication with the transverse ports (60, 62, 64) of the main body portion (46);
The longitudinal channel is provided with a separate annular projection disposed on the circumference of the channel;
Said annular pocket is formed between said projections, said annular pocket is defined the said proximal portion of the multi-lumen type pipe and the outer circumferential (34) by the circumference of the channel, according to claim 18 The endoscope apparatus described in 1.