USRE3139E - George hadfield - Google Patents
George hadfield Download PDFInfo
- Publication number
- USRE3139E USRE3139E US RE3139 E USRE3139 E US RE3139E
- Authority
- US
- United States
- Prior art keywords
- hadfield
- george
- patient
- vacuum
- chamber
- Prior art date
Links
- 210000000088 Lip Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229960003624 Creatine Drugs 0.000 description 2
- 210000003414 Extremities Anatomy 0.000 description 2
- 240000002027 Ficus elastica Species 0.000 description 2
- 206010022114 Injury Diseases 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 2
- 235000018963 Tropaeolum tuberosum Nutrition 0.000 description 2
- 240000000054 Tropaeolum tuberosum Species 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000006046 creatine Substances 0.000 description 2
- CVSVTCORWBXHQV-UHFFFAOYSA-N creatine zwitterion Chemical compound NC(=[NH2+])N(C)CC([O-])=O CVSVTCORWBXHQV-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
Images
Definitions
- My improvements relate to the class of devices known as medical vacuum-anoniem or ci-y-cupping apparntus, forV temporarily removing the atmospheric pressure from any desired part or member of the human body, .ad my presentinvntion is more particularly directed to apparatusadapted for use upon an arm or leg.
- Figures 1v1-rd 2 are longitudinal sections of vacuum-chambers intended for application yto an arm and nleg respectively.
- Figure 3 represents u. chamber adapted for use enla still" leg.
- A is tbe chamber proper, being a deep box or trunk, composed of tin or other rigid und air-tight material.
- C is a faucet, accessible both to the patient anu to the operator, ,to enable a juxtaposl restoration of the natural pressure, whenever the racfaction has become too painful to the patient
- the appnratus is made self-sealing, by means of an India-rubber lip, D, around the entrance or margirrof the chamber, which lip, the instant that the air is rareed bythe operator, closes automatically around the limb ⁇ oi' the patient, and ex'cludes the external air.
- the nana muy be arranged cbereupon ⁇ by the operator; and fof ths purpose, I provide u self-sealing screw or cap, F, which, being unsci'ewed, aords lce'ess for the operator, to adjust the hand anrl fingers of the patient upon the rest or handle.
- the vacuum-chamber may be made ih the angular form represented in fig. 3.
Description
GEORGE H'ADFIELD, M. o., or CINCINNATI, OHIO.
Lettera Patent No. 59,5388, dizted Noqcmber 6, 1865; ruue No. 3,139, dated A'eptcmoer 29, 1868 IMPROVEMENT IN' MEDICAL VACUUM-CHAMBERS.
mit Stimm: memt tu in ttm rttm ttmt :mh making parte! its samt.
TO ALL WHOM I'l MAY CONCERN: i
Be it known that I, Grenen HADFIELD, M. D., of Cincinnati, in the county of Hamilton, und State of Ohio, have uven ted certain new and useful Improvements in Medical Vacuurn-Chambers; and I do hereby declare that the following il a full, clear, and exact deserintinn thereof. reference being had to the cccomnanving drawings forming part of this Specification.
My improvements relate to the class of devices known as medical vacuum-anoniem or ci-y-cupping apparntus, forV temporarily removing the atmospheric pressure from any desired part or member of the human body, .ad my presentinvntion is more particularly directed to apparatusadapted for use upon an arm or leg.
Figures 1v1-rd 2 are longitudinal sections of vacuum-chambers intended for application yto an arm and nleg respectively.
Figure 3 represents u. chamber adapted for use enla still" leg.
Similar letters of reference indicate corresponding parts.' f
A is tbe chamber proper, being a deep box or trunk, composed of tin or other rigid und air-tight material.
1 B in a coupling, for attachment of a hose, connected with an air-pump, or other means of creat-ine; a vacuum or partial vacuum in the chamber.
C is a faucet, accessible both to the patient anu to the operator, ,to enable a partiel restoration of the natural pressure, whenever the racfaction has become too painful to the patient The appnratus is made self-sealing, by means of an India-rubber lip, D, around the entrance or margirrof the chamber, which lip, the instant that the air is rareed bythe operator, closes automatically around the limb` oi' the patient, and ex'cludes the external air.
In order to prevent injury to a. paralyzed hand, by being urawn or forced, in o constrained or erampeu con-- dition, against tbelend of the vncuum-ehambex. I provide n. suitable cross-barA h-enille. rest,'or support for the hand of th patient. e
When the patient is uuauie properly to grasp the handle o'ij tent, the nana muy be arranged cbereupon`by the operator; and fof ths purpose, I provide u self-sealing screw or cap, F, which, being unsci'ewed, aords lce'ess for the operator, to adjust the hand anrl fingers of the patient upon the rest or handle.
When the limb, whether arm or leg, is permanently crooked. the vacuum-chamber may be made ih the angular form represented in fig. 3.
Having thus described myinvention, I claim as new, and desire to secure by Letters Patent- The employment of a hand-support or rest, substantially es and furthe purposes eet forth.
Also, the'sealing-cup F, substantially as and for the purpose set forth. The above specification ot' my inyontion signed by me, this thuday of February,186b. A
GEO. HADFIELD, M. D. Witnesses Wn. LF. MoNAMAnn, Aux. F. Romains.
Family
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