US5611787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for gastric line insertion
Assignee: Methodist Hospital
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Filing: 1994-10-13
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Granted: 1997-03-18
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Expires: 2014-10-13
Abstract
Abstract The present invention provides a method and device for placement of a gastric line in the digestive tract of a patient. A guide element is either formed integrally with the end of a gastric line or it is formed separately to be fixed on the end segment of a gastric line to reduce the flexibility of the gastric line segment and facilitate the positioning of the gastric line in a patient's digestive tract. The guide element is provided with means for slideably engaging a previously positioned transepiglottal guide line so that the guide element when engaged with the guide line, can be pushed down the guide line to position the gastric line in an esophageal or post-esophageal position. An optional mouthpiece is provided to receive and guide the gastric tube toward the middle of the posterior oral pharynx during insertion and to protect the gastric line from the biting surfaces of the teeth and maintain its position in the mouth after insertion.
Inventors
- 👤 Robert J. Demeter
- 👤 Henry C. Bock
- 👤 Dayong Gao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:32
CPC Classifications
A; A61; A61J; A61J15/00; A61J15/0026; A61J15/003; A61J15/0003; A61J15/0007; A61M; A61M25/00; A61M25/01; A61J15/0053; A61J15/0061; A61M2025/0183
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
130 words
A gastric tube insertion kit comprising a flexible gastric tube having a gastric end and an oral end and a lumen extending from said gastric end to said oral end; a guide line having a gastric end and an opposite oral end, said guide line extending through the lumen of the gastric tube so that the oral end of said guide line extends from the oral end of said gastric tube and the gastric end of said guide line extends from the gastric end of said gastric tube; and a bolus attached to the gastric end of the guide line for locating the gastric end of the guide line in the stomach, wherein said bolus is a capsule containing a portion of the guide line proximal to its gastric end.
Claim 2
Dependent Claim
130 words
A gastric tube insertion kit comprising a flexible gastric tube having a gastric end and an oral end and a lumen extending from said gastric end to said oral end; a guide line having a gastric end and an opposite oral end, said guide line extending through the lumen of the gastric tube so that the oral end of said guide line extends from the oral end of said gastric tube and the gastric end of said guide line extends from the gastric end of said gastric tube; and a bolus attached to the gastric end of the guide line for locating the gastric end of the guide line in the stomach, wherein said bolus is a capsule containing a portion of the guide line proximal to its gastric end.
Claim 3
Dependent Claim
29 words
The kit of claim 1 wherein the capsule has an aperture through which the guide line plays out as the capsule is swallowed and moves down the digestive tract.
Claim 4
Dependent Claim
17 words
The kit of claim 2 wherein the guide line is wound on a spool in the capsule.
Claim 5
Dependent Claim
27 words
The kit of claim 1 wherein the gastric tube is constructed to have a segment of reduced flexibility, said segment including the gastric end of the tube.
Claim 6
Dependent Claim
27 words
The kit of claim 1 further comprising a mouthpiece with means for receiving the gastric tube and guiding the tube toward the middle of the posterior pharynx.
Claim 7
Dependent Claim
17 words
The kit of claim 5 wherein the mouthpiece is adapted to be affixed to teeth or gums.
Claim 8
Dependent Claim
22 words
The kit of claim 5 wherein the mouthpiece includes means for protecting the gastric tube from the biting surfaces of the teeth.
Claim 9
Dependent Claim
87 words
A gastric line insertion kit comprising a guide line having a gastric end and an opposite oral end; a flexible gastric line having a gastric end and an oral end, said gastric end including means for slideably engaging the gastric line with the guide line; and a bolus attached to the gastric end of the guide line for locating the gastric end of the guide line in the stomach, wherein the bolus is a capsule containing a portion of the guide line proximal to its gastric end.
Claim 10
Dependent Claim
87 words
A gastric line insertion kit comprising a guide line having a gastric end and an opposite oral end; a flexible gastric line having a gastric end and an oral end, said gastric end including means for slideably engaging the gastric line with the guide line; and a bolus attached to the gastric end of the guide line for locating the gastric end of the guide line in the stomach, wherein the bolus is a capsule containing a portion of the guide line proximal to its gastric end.
Claim 11
Dependent Claim
52 words
The kit of claim 8 wherein the means for slideably engaging the gastric line with the guide line comprises a longitudinal bore having a first opening at or near the gastric end of the gastric line and a second opening between the oral end of the gastric line and the first opening.
Claim 12
Dependent Claim
28 words
The kit of claim 9 wherein the gastric line is constructed to have a segment of reduced flexibility, said segment including the gastric end of the gastric line.
Claim 13
Dependent Claim
27 words
The kit of claim 9 further comprising a mouthpiece with means for receiving the gastric line and guiding the line toward the middle of the posterior pharynx.
Claim 14
Dependent Claim
17 words
The kit of claim 11 wherein the mouthpiece is adapted to the affixed to teeth or gums.
Claim 15
Dependent Claim
22 words
The kit of claim 11 wherein the mouthpiece includes means for protecting the gastric line from the biting surfaces of the teeth.
Claim 16
Dependent Claim
29 words
The kit of claim 8 wherein the capsule has an aperture through which the guide line plays out as the capsule is swallowed and moves down the digestive tract.
Claim 17
Dependent Claim
17 words
The kit of claim 14 wherein the guide line is wound on a spool in the capsule.
Claim 18
Independent Claim
146 words
A method for inserting a flexible gastric line into the esophagus of a patient, said gastric line having a gastric end for insertion into the patient and an oral end, said method comprising the steps of positioning a guide line in a patient so the guide line has an oral end, an intermediate transepiglottal portion, and a gastric end, wherein the guide line is positioned by having the patient swallow a bioerodable bolus attached to the guide line; slideably engaging a guide element at or near the oral end of the guide line and fixing the guide element in contact with a segment of a gastric line at or near the gastric end of the gastric line; and pushing the gastric line and the fixed guide element along the engaged guide line to direct the insertion of the gastric line into the esophagus of the patient.
Claim 19
Independent Claim
146 words
A method for inserting a flexible gastric line into the esophagus of a patient, said gastric line having a gastric end for insertion into the patient and an oral end, said method comprising the steps of positioning a guide line in a patient so the guide line has an oral end, an intermediate transepiglottal portion, and a gastric end, wherein the guide line is positioned by having the patient swallow a bioerodable bolus attached to the guide line; slideably engaging a guide element at or near the oral end of the guide line and fixing the guide element in contact with a segment of a gastric line at or near the gastric end of the gastric line; and pushing the gastric line and the fixed guide element along the engaged guide line to direct the insertion of the gastric line into the esophagus of the patient.
Claim 20
Independent Claim
111 words
A method for inserting a flexible gastric line into the esophagus of a patient, said gastric line having a gastric end for insertion into the patient and an oral proximal end, said method comprising the steps of positioning a guide line in a patient so the guide line has an oral end, an intermediate transepiglottal portion, and a gastric end; slideably engaging the gastric end of the gastric line with the guide line; positioning a mouthpiece for receiving and guiding the gastric line in the patient's mouth; pushing the gastric line through the mouthpiece and along the slideably engaged guideline to insert the gastric line into the esophagus of the patient.
Claim 21
Independent Claim
111 words
A method for inserting a flexible gastric line into the esophagus of a patient, said gastric line having a gastric end for insertion into the patient and an oral proximal end, said method comprising the steps of positioning a guide line in a patient so the guide line has an oral end, an intermediate transepiglottal portion, and a gastric end; slideably engaging the gastric end of the gastric line with the guide line; positioning a mouthpiece for receiving and guiding the gastric line in the patient's mouth; pushing the gastric line through the mouthpiece and along the slideably engaged guideline to insert the gastric line into the esophagus of the patient.
Claim 22
Dependent Claim
78 words
A kit for use in facilitating the insertion of a gastric line, said kit comprising a guide line having a gastric end and an oral end and means for locating the gastric end of the guide line in the stomach; a guide element adapted to be fixed in contact with a segment of the gastric line and slideably engaged with the guide line; and a mouthpiece capable of holding the gastric line in position in a patient's mouth.
Claim 23
Dependent Claim
78 words
A kit for use in facilitating the insertion of a gastric line, said kit comprising a guide line having a gastric end and an oral end and means for locating the gastric end of the guide line in the stomach; a guide element adapted to be fixed in contact with a segment of the gastric line and slideably engaged with the guide line; and a mouthpiece capable of holding the gastric line in position in a patient's mouth.
Claim 24
Dependent Claim
55 words
The kit of claim 18, wherein the means for locating the gastric end of the guide line in the stomach is a capsule to be swallowed by a patient, said capsule having an aperture through which the guide line plays out as the capsule is swallowed and moves down the digestive tract of a patient.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-03-17 | 2000-09-16 | 2001-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-03-17 | 2004-09-16 | 2005-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-03-17 | 2008-09-16 | 2009-03-18 | $7700.00 | Window Closed / Lapsed |