Gastrostomy Tube Extension Device

• US 20080208208A1
• Filed: 04/26/2005
• Published: 08/28/2008
• Est. Priority Date: 04/30/2004
• Status: Active Grant

• Current Assignee: Kpr U.S., LLC (Cardinal Health, Inc.)
• Original Assignee: Sherwood Services AG
• Inventors: Nagata, Katsuki, Baba, Yasuyuki
• Granted Patent: US 7,967,787 B2
• Time in Patent Office: Days
• US Class Current: 606/108
• CPC Class Codes: A61J 15/0015 Gastrostomy feeding-tubes insertion tools or methods A61B17/34
• CPC Class Codes: A61J 15/0026 Parts, details or accessories for feeding-tubes external tubes from medical containers to a connector outside of the body A61M39/08
• CPC Class Codes: A61J 15/0038 expandable, e.g. umbrella type
• CPC Class Codes: A61J 15/0065 Fixing means and tube being one part

Abstract

To provide a gastrostomy tube extension device which can facilitate insertion or removal of a gastrostomy tube by making the degree of extension of the gastrostomy tube constant. [Means for Resolution] A gastrostomy tube extension device 20 used for inserting and taking out a gastrostomy tube 10 into/from a hole 33 formed on a patient'"'"'s abdomen, the gastrostomy tube 10 including an outer fixing member 10a to be installed on the skin surface side, an inner fixing member 10c installed on the inner surface side of the stomach wall, and a tube member 10b for connecting the outer fixing member 10a and the inner fixing member 10c, and the gastrostomy tube extension device comprising a rod 21 and an engaging member 22. The rod 21 has a rod-shaped member which can push the center of the distal end of the inner fixing member 10c with its distal portion toward the distal end, and with a plurality of engaging step portions 24a are formed on the proximal portion. The engaging member 22 is also provided with a lower engaging portion 25 which can engage with an outer fixing member 10a and an upper engaging portion 26 which can engage one of the engaging step portions 24a of the rod 21.

Claims

1. A gastrostomy tube extension device used for inserting or taking out a gastrostomy tube into/from a hole on a patient formed between the skin surface and the inner surface of a stomach walls the gastrostomy tube comprising an outer fixing member to be installed at the hole of the patient on the skin surface side, an inner fixing member to be installed on the inner side of the stomach wall which is formed of resilient material which is elongated and narrowed when the center of the distal end thereof is pushed toward the distal end, a tube member for connecting the outer fixing member and the proximal portion of the inner fixing member, and a fluid substance feed hole extending from the outer fixing portion to the inner fixing portion, said extension device comprising:

a pushing rod comprising a rod member which can be inserted into the fluid substance feed hole, is capable of pushing the center portion of the distal end of the inner fixing member toward the distal end with the distal end portion thereof, and is formed with a positioning engaging portion on the peripheral surface of the proximal portion; and

an engaging member including a first engaging portion which is capable of engaging the outer fixing member, and a second engaging portion which is capable of engaging the positioning engaging portion of the pushing rod, the engaging member elongating and narrowing the inner fixing portion when the pushing rod is inserted into the fluid substance feed hole and the outer fixing member and the first engaging portion, and the positioning engaging portion and the second engaging portion are respectively engaged with each other.

3. The gastrostomy tube extension device according to claim 1, wherein a plurality of the positioning engaging portions are provided along the axial direction of the pushing rod.

5. The gastrostomy tube extension device according to claim 1, wherein a plurality of the positioning engaging portions are provided along the axial direction of the pushing rod.

6. The gastrostomy tube extension device according to claim 1 further comprising a gastrostomy tube, the gastrostomy tube comprising:

an outer fixing member to be installed at the hole of the patient on the skin surface side;

an inner fixing member to be installed on the inner side of the stomach wall which is formed of resilient material which is elongated and narrowed when the center of the distal end thereof is pushed toward the distal end;

a tube member for connecting the outer fixing member and the proximal portion of the inner fixing member; and

a fluid substance feed hole extending from the outer fixing member to the inner fixing member.

2. A gastrostomy tube extension device used for inserting or taking out a gastrostomy tube into/from a hole on a patient formed between a skin surface and an inner surface of a stomach wall of the patient, the gastrostomy tube comprising an outer fixing member to be installed at the hole on the skin surface sides an inner fixing member to be installed on the inner side of the stomach wall and which is formed of resilient material which is elongated and narrowed when the center of the distal end thereof is pushed toward the distal end, a tube member for connecting the outer fixing member and the proximal portion of the inner fixing member, and a fluid substance feed hole extending from the outer fixing portion to the inner fixing portion, the gastronomy tube extension device comprising:

a pushing rod formed of a rod member which can be inserted into the fluid substance feed hole, is capable of pushing the center portion of the distal end of the inner fixing member toward the distal end with the distal end portion of the rod, and is formed with a positioning engaging portion on the peripheral surface of the proximal portion of the rod; and

an engaging member including a joint member being connected to the gastrostomy tube and an engaging portion being capable of engaging the positioning engaging portion of the pushing rod, the engaging member elongating the inner fixing member when the pushing rod is inserted into the fluid substance feed hole and the positioning engaging portion and the engaging portion are engaged respectively with the engaging member.

4. The gastrostomy tube extension device according to claim 2 further comprising a gastrostomy tube, the gastrostomy tube comprising:

an outer fixing member to be installed at the hole of the patient on the skin surface side;

an inner fixing member to be installed on the inner side of the stomach wall which is formed of resilient material which is elongated and narrowed when the center of the distal end thereof is pushed toward the distal end; and

a tube member for connecting the outer fixing member and the proximal portion of the inner fixing member; and

a fluid substance feed hole extending from the outer fixing member to the inner fixing member.