US3648296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sitz bath
Assignee: MEDICAL PLANNING ASSOCIATES
•
Filing: 1970-03-26
•
Granted: 1972-03-14
•
Expires: 1990-03-26
Abstract
Abstract A lightweight unit for perineal hydrotherapy including a lightweight unitary tub having an integral seat, armrest and a back rest; a supporting frame structure for the tub and a disposable liner for lining the tub during use. A recessed area is provided beneath the perineal area of the patient opening wider fore and aft of the ischeal tuberosity to provide a reservoir of heated water in which the traumatic perineal areas are immersed.
Inventors
- 👤 Nina B Craft
- 👤 Gary R Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:17
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/02; A47K3/022
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
139 words
A portable perineal hydrotherapy unit comprising: a lightweight, unitary, integral, chair-shaped tub formed of a lightweight, high-impact resistant material having very good thermal insulating properties, said tub having a seat, a backrest, side walls and a cavity having a depth of up to 6 inches formed in the seat and having an opening below the perineal areas of the human subjects; the middle portion of the cavity at the surface of the seat being narrowed to form an ischeal tuberosity support area and the open surface of the cavity widens fore and aft of the narrowed support area; the angle between the seat and backrest is from 65* to 85*; and a support stand for the tub having a vertical extension such that the front lip of the tub seat is no more than 14 inches from the floor.
Claim 2
Dependent Claim
139 words
A portable perineal hydrotherapy unit comprising: a lightweight, unitary, integral, chair-shaped tub formed of a lightweight, high-impact resistant material having very good thermal insulating properties, said tub having a seat, a backrest, side walls and a cavity having a depth of up to 6 inches formed in the seat and having an opening below the perineal areas of the human subjects; the middle portion of the cavity at the surface of the seat being narrowed to form an ischeal tuberosity support area and the open surface of the cavity widens fore and aft of the narrowed support area; the angle between the seat and backrest is from 65* to 85*; and a support stand for the tub having a vertical extension such that the front lip of the tub seat is no more than 14 inches from the floor.
Claim 3
Dependent Claim
15 words
A unit according to claim 1 in which the stand is attached to the tub.
Claim 4
Dependent Claim
21 words
A unit according to claim 1 in which the stand is foldable and the tub is freely supported in the stand.
Claim 5
Dependent Claim
32 words
A unit according to claim 3 in which the foldable stand includes a plurality of up-standing support members for receiving the tub and pivotable cross members attached to the up-standing support members.
Claim 6
Dependent Claim
27 words
A unit according to claim 1 in which the tub is formed of a composite including an upper and lower skin filled with a foamed organic resin.
Claim 7
Dependent Claim
16 words
A unit according to claim 1 further including a thin, water-impervious liner for lining the tub.
Claim 8
Dependent Claim
39 words
A unit according to clAim 1 in which the seat and backrest are joined by a curved portion and the aft opening of the cavity extends into the curved portion and partially up the back wall of the tub.
Claim 9
Dependent Claim
27 words
A unit according to claim 7 in which the backrest of the tub includes a convex arcuate portion for maintaining the subject in a more erect position.
Claim 10
Dependent Claim
36 words
A unit according to claim 7 in which the seat slants downwardly from the lip of the seat to said curved portion and the angle between the backrest and a horizontal plane is more than 90*.
References Cited (Backward Citations)
US299891A
Cited
DE590600C
Cited
DE578667C
Cited
US2139951A
Cited
US2711543A
Cited
US2853714A
Cited
US3045254A
Cited
US3377631A
Cited
US3377630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |