US5595344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical instrument cleaning device
Assignee: Individual
•
Filing: 1995-03-02
•
Granted: 1997-01-21
•
Expires: 2015-03-02
Abstract
Abstract A device for cleaning surgical instruments uses water from a main water supply wherein the device is capable of delivering a low volume of water at high pressure to the surgical instrument. The device has a pump for boosting a water solution pressure to approximately 85 psi before delivering the water solution to a spray nozzle. A manually operated dual injection system introduces a detergent or an instrument milk solution with the water through a venturi valve on the inlet side of the pump. Air bellows in the form of foot pedals actuate the dual injection system.
Inventors
- 👤 Gary D. Starnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:34
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/006; A; A61; A61B; A61B90/00; A61B90/70
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
112 words
A surgical instrument cleaning device comprising: a pump having an inlet conduit fluidly connecting said pump to a water source, and an outlet conduit fluidly connecting said pump to a dispensing means; a dual injection means for mixing another fluid with the water in the inlet conduit before the water enters the pump; and an actuating means for selectively permitting the other fluid to flow into the inlet conduit for mixing with the water, wherein the actuating means includes a foot actuating bellows with a normally open air switch, wherein the air bellows supplies air pressure to close the air switch to permit the other fluid to flow into the inlet conduit.
Claim 2
Dependent Claim
112 words
A surgical instrument cleaning device comprising: a pump having an inlet conduit fluidly connecting said pump to a water source, and an outlet conduit fluidly connecting said pump to a dispensing means; a dual injection means for mixing another fluid with the water in the inlet conduit before the water enters the pump; and an actuating means for selectively permitting the other fluid to flow into the inlet conduit for mixing with the water, wherein the actuating means includes a foot actuating bellows with a normally open air switch, wherein the air bellows supplies air pressure to close the air switch to permit the other fluid to flow into the inlet conduit.
Claim 3
Dependent Claim
31 words
The surgical instrument cleaning device of claim 1 wherein the device further comprises a pressure regulator disposed in the inlet conduit for maintaining inlet water pressure less than a predetermined pressure.
Claim 4
Dependent Claim
26 words
The surgical instrument cleaning device of claim 2 wherein the device further comprises a venturi valve disposed in the inlet conduit downstream of the pressure regulator.
Claim 5
Dependent Claim
23 words
The surgical instrument cleaning device of claim 3 wherein the dual injection means fluidly communicates with the inlet conduit at the venturi valve.
Claim 6
Dependent Claim
29 words
The surgical instrument cleaning device of claim 4 wherein the device further comprises a pressure switch to maintain fluid pressure in the pump between approximately 45 to 95 psi.
Claim 7
Dependent Claim
23 words
The surgical instrument cleaning device of claim 5 wherein the pressure regulator maintains the inlet water pressure at a maximum of 25 psi.
Claim 8
Dependent Claim
23 words
The surgical instrument cleaning device of claim 6 wherein the device is housed in a compact unit capable of positioning under a sink.
Claim 9
Dependent Claim
23 words
The surgical instrument cleaning device of claim 4 wherein a normally closed solenoid is disposed between the other fluid and the common conduit.
Claim 10
Dependent Claim
249 words
A surgical instrument cleaning device surgical instrument cleaning device comprising: a pump having an inlet conduit fixedly connecting said pump to a water service, and an outlet conduit fixedly connecting said pump to a dispensing means; a duel injection means for mixing one of at least two fluids stored in containers with the water in the inlet conduit before the water enters the pump; a pressure regulator disposed in the inlet conduit for maintaining inlet water pressure less than a predetermined pressure; a venturi valve disposed in the inlet conduit downstream of the pressure regulator, wherein the dual injection means fluidly communicates with the inlet conduit at the venturi valve and the dual injection means includes a common conduit fluidly connected to the at least two containers of the fluid at a first end and the venturi valve at a distal end; and an actuating means for selectively opening one of the containers so that fluid can flow through the common conduit, venturi valve and into the inlet conduit, wherein a normally closed solenoid is disposed between the containers of fluid and the common conduit and wherein the actuating means includes a foot actuating air bellows, a normally open air switch, and a field coil, wherein the air bellows supplies air pressure that closes the air switch, which energizes the field coil to open the normally closed solenoid valve, whereby fluid from one of the containers can flow to the common conduit, venturi valve and into the inlet conduit.
Claim 11
Dependent Claim
249 words
A surgical instrument cleaning device surgical instrument cleaning device comprising: a pump having an inlet conduit fixedly connecting said pump to a water service, and an outlet conduit fixedly connecting said pump to a dispensing means; a duel injection means for mixing one of at least two fluids stored in containers with the water in the inlet conduit before the water enters the pump; a pressure regulator disposed in the inlet conduit for maintaining inlet water pressure less than a predetermined pressure; a venturi valve disposed in the inlet conduit downstream of the pressure regulator, wherein the dual injection means fluidly communicates with the inlet conduit at the venturi valve and the dual injection means includes a common conduit fluidly connected to the at least two containers of the fluid at a first end and the venturi valve at a distal end; and an actuating means for selectively opening one of the containers so that fluid can flow through the common conduit, venturi valve and into the inlet conduit, wherein a normally closed solenoid is disposed between the containers of fluid and the common conduit and wherein the actuating means includes a foot actuating air bellows, a normally open air switch, and a field coil, wherein the air bellows supplies air pressure that closes the air switch, which energizes the field coil to open the normally closed solenoid valve, whereby fluid from one of the containers can flow to the common conduit, venturi valve and into the inlet conduit.
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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) | 2000-01-21 | 2000-07-22 | 2001-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-01-21 | 2004-07-22 | 2005-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-01-21 | 2008-07-22 | 2009-01-21 | $7700.00 | Window Closed / Lapsed |