Patent US4167946A successfully refreshed from Google Patents.
US4167946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical aid for insertion of instruments through the mouth
Assignee: Kemi Intressen AB
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Filing: 1977-07-22
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Granted: 1979-09-18
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Expires: 1997-07-22
Abstract
Abstract A device for protecting both a patient's teeth and medical instruments (such as tubes, probes, etc.) against damage when such instruments are inserted through the mouth. The device comprises a teeth shield member of semi-rigid material with dimensions greater than the instrument introduced and a support member for the instrument at the periphery of the teeth shield member for securing a side-by-side relationship between the instrument and the teeth shield member. The support member can be in the shape of a slit-open tube into which the instrument can be inserted radially after the introduction of the instrument into the patient. The instrument can be fixed by means of a band tied around the instrument and tied or otherwise fixed to the device, which band can also be used to fix the complete unit in the patient by tieing around his neck.
Inventors
- 👤 Anne M. Sandstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:42
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/02; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M2025/024; Y; Y10; Y10S; Y10S128/00; Y10S128/26
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
145 words
A device for protecting both a patient's teeth and a medical instrument when the medical instrument is to be inserted through the mouth of a patient, said device comprising in combination: (a) a tubular teeth shield member having a maximum internal diameter that is greater than the external diameter of said medical instrument, (b) a flexible instrument support member fixed to and extending along the exterior side of said tubular teeth shield member in a direction generally parallel to the longitudinal axis of said tubular teeth shield member, said instrument support member having a generally U-shaped configuration that opens outwardly so that it can receive and hold a medical instrument, and (c) band anchoring means on said device which is adapted to receive and hold a band, said band anchoring means consisting of at least one hole or one notch in members (a) and/or (b).
Claim 2
Independent Claim
145 words
A device for protecting both a patient's teeth and a medical instrument when the medical instrument is to be inserted through the mouth of a patient, said device comprising in combination: (a) a tubular teeth shield member having a maximum internal diameter that is greater than the external diameter of said medical instrument, (b) a flexible instrument support member fixed to and extending along the exterior side of said tubular teeth shield member in a direction generally parallel to the longitudinal axis of said tubular teeth shield member, said instrument support member having a generally U-shaped configuration that opens outwardly so that it can receive and hold a medical instrument, and (c) band anchoring means on said device which is adapted to receive and hold a band, said band anchoring means consisting of at least one hole or one notch in members (a) and/or (b).
Claim 3
Dependent Claim
24 words
A device according to claim 1 wherein said anchoring means consists of at least one notch in the end of said tooth shield member.
Claim 4
Dependent Claim
19 words
A device according to claim 1 wherein said anchoring means consists of a hole in said instrument support member.
Claim 5
Dependent Claim
18 words
A device according to claim 1 which additionally includes securing means for securing said device to a patient.
Claim 6
Dependent Claim
13 words
A means according to claim 4 wherein said securing means is a band.
Claim 7
Dependent Claim
31 words
A device according to claim 1 wherein said teeth shield member includes a notch in one end that is located in opposed relationship to a hole in said instrument support member.
Claim 8
Dependent Claim
20 words
A device according to claim 1 wherein one end of said teeth shield member has two spaced apart notches therein.
Claim 9
Dependent Claim
16 words
A device according to claim 1 wherein a band is fixed to said band anchoring means.
Claim 10
Independent Claim
185 words
A method for protecting a medical instrument when inserted through the mouth of a patient, as well as the patient, which method comprises the steps of (1) attaching to the instrument a protecting device that comprises in combination (a) a tubular teeth shield member having a maximum internal diameter that is greater than the external diameter of said medical instrument, (b) a flexible instrument support member fixed to and extending along the exterior side of said tubular teeth shield member in a direction generally parallel to the longitudinal axis of said tubular teeth shield member, said instrument support member having a generally U-shaped configuration that opens outwardly so that it can receive and hold a medical instrument, (2) displacing the device to position both the teeth shield and instrument support member between the teeth in the mouth cavity, (3) rotating the device to orient the tubular teeth shield member and the instrument support member into a side-by-side position between the teeth, and (4) securing the instrument to the instrument support member by means of a band after the attachment of the instrument to the device.
Claim 11
Independent Claim
185 words
A method for protecting a medical instrument when inserted through the mouth of a patient, as well as the patient, which method comprises the steps of (1) attaching to the instrument a protecting device that comprises in combination (a) a tubular teeth shield member having a maximum internal diameter that is greater than the external diameter of said medical instrument, (b) a flexible instrument support member fixed to and extending along the exterior side of said tubular teeth shield member in a direction generally parallel to the longitudinal axis of said tubular teeth shield member, said instrument support member having a generally U-shaped configuration that opens outwardly so that it can receive and hold a medical instrument, (2) displacing the device to position both the teeth shield and instrument support member between the teeth in the mouth cavity, (3) rotating the device to orient the tubular teeth shield member and the instrument support member into a side-by-side position between the teeth, and (4) securing the instrument to the instrument support member by means of a band after the attachment of the instrument to the device.
Claim 12
Dependent Claim
20 words
The method of claim 9 comprising the step of securing the device to the patient by means of a band.
Claim 13
Dependent Claim
28 words
The method of claim 10 comprising the step of using the band for both securing the instrument to the instrument support member and the device to the 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) | 1982-09-17 | 1983-03-19 | 1983-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-09-17 | 1987-03-19 | 1987-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-09-17 | 1991-03-19 | 1991-09-18 | $7700.00 | Window Closed / Lapsed |