US3101728A - Apparatus for the cleaning and sterilization of instruments, in particular medical instruments - Google Patents

Apparatus for the cleaning and sterilization of instruments, in particular medical instruments Download PDF

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Publication number
US3101728A
US3101728A US35196A US3519660A US3101728A US 3101728 A US3101728 A US 3101728A US 35196 A US35196 A US 35196A US 3519660 A US3519660 A US 3519660A US 3101728 A US3101728 A US 3101728A
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United States
Prior art keywords
chamber
cleaning
support means
instruments
nozzle
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Expired - Lifetime
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US35196A
Inventor
Broge Kurt
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RUD A HARTMANN GROSS APP und S
Rud A Hartmann Gross-Apparate und Spegealmaschinen & Co GmbH
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RUD A HARTMANN GROSS APP und S
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Priority to US35196A priority Critical patent/US3101728A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/20—Swingable spraying devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

Definitions

  • the present invention relates to an apparatus for the cleaning and sterilization of instruments, in'particular medical instruments.
  • the invention resides that within a lockable co tainer there is arranged a reciprocating grate which carries,
  • the instruments if desired, by an intermediary arrangement of a tray, the instruments, the latter being exposed to the action of jet nozzles.
  • the reciprocating movement of the grate permits the water jet directed by the nozzles onto the grate to contact efiectively all parts of the instruments arranged on the grate.
  • the cleansing eifect becomes particularly eflicient when provision is made for the issuing jets to move within the container. This can be achieved according to the invention by the disposition in the upper part of cated in the horizontal plane.
  • the cleansing effect of apparatus according to the in vention is relatively large when the plurality of water nozzles are fed with water under veryhigh pressure, e. g. in the range of 10 to 100 atmospheres.
  • FIGURE 1 is a schematic crosssectional view of the I complete container with the feeding means.
  • FIGURE 2 is a detail view of a part of the interior of FIGURE 3 is a plan view of the container, partially cut away.
  • FIGURE 4 is a cross-sectional detail view of the nozzle tube.
  • the instruments 1 must be con sidered as being arranged in the tray in within the container 2.
  • the tray 1a rests on the grate 3.
  • the grate is reciprocated through a lever arnangementd, 5 by means of "ice f agents etc. If desired cold or hot water or a gas may be admitted to the receptacle. 7
  • the numeral 11 indicates the locha-ble lid.
  • the cleansing streams or jets are ejected from two nozzle tubes 12 and 13, which are movably arranged at the longitudinal sides of the container 2.
  • the articulated control link 14 pivoted to the eccentric 7 provides for horizontal movement of the instruments arranged in the sieve tray 1a and thus reciprocates grate 3.
  • a heating means 15 for heating the purifying Water until it reaches the overflow 16. This is effected after a pre-purification operation has been conducted for a, certain period during which the liquid is drawn off via the drain 17. After the pre-purification the drain is closed and the water rises to the overflow 16 to flow off at this point. During this step the heating means 15 is switched on.
  • Apparatus for cleaning medical instruments and the like comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciproca'ble displacement thereof within said chamber, angulairly displacea'ble nozzle means within said chamber for directing a stream of cleaning fluid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for an-gularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means.
  • Apparatus for cleaning medical instruments and the like comprising a closable housing forming'a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal reciprocable displacement thereof Within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning fluid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally traverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps said surface.
  • Apparatus for cleaning medical instruments and the like comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciprocable displacement thereof within said chamber, angularly displaceable nozzle means within said chamber for directing :a stream of cleaning fluid under pressure against the articles held by said support means, drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in :a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means, and blower means for directing a current of heated gas into said chamber.
  • Apparatus for cleaning medical instruments and the like comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciprocable displacement thereof Within said chamber, angularly displaceable nozzle means Within said chamber for directing a stream of cleaning fluid under pres-sure against the articles held by said support means, drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means, and valve means for draining said fluid from said chamber.
  • Apparatus for cleaning medical instruments and the like comprising a closable housing forming a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal reciprocable displacement thereof within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning liquid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angul-arly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of liquid sweeps said surface, and valve means for draining said liquid from said chamber at a location below said support means, said housing being provided with an overflow disposed above said support means and adapted to drain said liquid from said chamber upon said valve means being closed.
  • Apparatus for cleaning medical instruments and the like comprising a closable housing forming a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal recip-rocable displacement thereof within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning liquid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of liquid sweeps said surface, valve means for draining said liquid from said chamber at a location below said surface, said housing being provided with an overflow disposed above said surface and adapted to drain said liquid from said chamber upon said valve means being closed, and heating means in said chamber intermediate said location and said overflow for heating liquid contained therein.

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  • Cleaning By Liquid Or Steam (AREA)

Description

Aug. 27, 1963 BROGE 3,101,728
APPARATUS FOR THE CLEANING AND STERILIZATION OF INSTRUMENTS, IN PARTICULAR MEDICAL INSTRUMENTS 2 Sheets-Sheet 1 Filed June 10, 1960 Aug. 27, 1963 BRQGE 3,101,728
APPARATUS FOR THE CLEANING AND STERILIZATION OF INSTRUMENTS, IN PARTICULAR MEDICAL INSTRUMENTS Filed June 10, 1960 2 Sheets-Sheet 2 "dissolving agents to the container.
' the container.
United States Patent APPARATUS FOR THE CLEANING AND STEREK- ZATION 0F INSTRUMENTS, IN PARTICULAR MEDICAL INSTRUMENTS Kurt Briige, Berlin, Germany, assignor to Rod. A. Hartmann Gross-Apparate und Spegealmaschinen G.m.b.H.,
& Co., Berlin-Rudow, Germany Filed June 10, 1960,Ser. No. 35,196
6 Claims. (Cl. 134-99) The present invention relates to an apparatus for the cleaning and sterilization of instruments, in'particular medical instruments.
The invention resides that within a lockable co tainer there is arranged a reciprocating grate which carries,
if desired, by an intermediary arrangement of a tray, the instruments, the latter being exposed to the action of jet nozzles. The reciprocating movement of the grate permits the water jet directed by the nozzles onto the grate to contact efiectively all parts of the instruments arranged on the grate. The cleansing eifect becomes particularly eflicient when provision is made for the issuing jets to move within the container. This can be achieved according to the invention by the disposition in the upper part of cated in the horizontal plane.
It is advantageous to arrange, according to the invention, an eccentric control between the motor and the grate.
It is further suitable according to the invention to make the grate removable from the container. t
The cleansing effect of apparatus according to the in vention is relatively large when the plurality of water nozzles are fed with water under veryhigh pressure, e. g. in the range of 10 to 100 atmospheres.
-Within the scope of the invention there can be added It is further recommended to add purifying agents and it is also advantageous when there are added sterilizing agents. There also should be arranged means for the admission ofcooling medium (e.g. gas) to the container.
One embodiment of apparatus according to the invention is illustrated in the drawing.
In the drawing:
FIGURE 1 is a schematic crosssectional view of the I complete container with the feeding means.
FIGURE 2 is a detail view of a part of the interior of FIGURE 3 is a plan view of the container, partially cut away.
FIGURE 4 is a cross-sectional detail view of the nozzle tube. V
According to the drawing the instruments 1 must be con sidered as being arranged in the tray in within the container 2. The tray 1a rests on the grate 3. The grate is reciprocated through a lever arnangementd, 5 by means of "ice f agents etc. If desired cold or hot water or a gas may be admitted to the receptacle. 7
The numeral 11 indicates the locha-ble lid. The cleansing streams or jets are ejected from two nozzle tubes 12 and 13, which are movably arranged at the longitudinal sides of the container 2. The articulated control link 14 pivoted to the eccentric 7 provides for horizontal movement of the instruments arranged in the sieve tray 1a and thus reciprocates grate 3.
Within the container 2 there is arranged at a suitable location a heating means 15 for heating the purifying Water until it reaches the overflow 16. This is effected after a pre-purification operation has been conducted for a, certain period during which the liquid is drawn off via the drain 17. After the pre-purification the drain is closed and the water rises to the overflow 16 to flow off at this point. During this step the heating means 15 is switched on.
It is found to be suitable to provide a special blower 18 with heater 19 opening at 20 into the container. The resulting hot air passes through the container and contacts the instruments arranged in the tray 1. At 17 the heated air can issue from the container.
What I claim is:
I 1. Apparatus for cleaning medical instruments and the like, comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciproca'ble displacement thereof within said chamber, angulairly displacea'ble nozzle means within said chamber for directing a stream of cleaning fluid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for an-gularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means.
2. Apparatus for cleaning medical instruments and the like, comprising a closable housing forming'a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal reciprocable displacement thereof Within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning fluid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally traverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps said surface.
3. Apparatus for cleaning medical instruments and the like, comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciprocable displacement thereof within said chamber, angularly displaceable nozzle means within said chamber for directing :a stream of cleaning fluid under pressure against the articles held by said support means, drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in :a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means, and blower means for directing a current of heated gas into said chamber.
4. Apparatus for cleaning medical instruments and the like, comprising a housing forming a cleaning chamber, support means in said chamber for holding articles to be cleaned, mounting means in said chamber carrying said support means for reciprocable displacement thereof Within said chamber, angularly displaceable nozzle means Within said chamber for directing a stream of cleaning fluid under pres-sure against the articles held by said support means, drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of fluid sweeps the articles carried by said support means, and valve means for draining said fluid from said chamber.
5. Apparatus for cleaning medical instruments and the like, comprising a closable housing forming a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal reciprocable displacement thereof within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning liquid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angul-arly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of liquid sweeps said surface, and valve means for draining said liquid from said chamber at a location below said support means, said housing being provided with an overflow disposed above said support means and adapted to drain said liquid from said chamber upon said valve means being closed.
6. Apparatus for cleaning medical instruments and the like, comprising a closable housing forming a cleaning chamber, support means in said chamber forming an apertured surface for holding articles to be cleaned, mounting means in said chamber carrying said support means for substantially horizontal recip-rocable displacement thereof within said chamber, nozzle means within said chamber angularly displaceable about a substantially horizontal axis above said surface for directing a stream of cleaning liquid under pressure against the articles held by said support means, and drive means for reciprocating said support means relatively to said nozzle means and for angularly displacing said nozzle means in a plane generally transverse to the direction of reciprocation of said support means whereby said stream of liquid sweeps said surface, valve means for draining said liquid from said chamber at a location below said surface, said housing being provided with an overflow disposed above said surface and adapted to drain said liquid from said chamber upon said valve means being closed, and heating means in said chamber intermediate said location and said overflow for heating liquid contained therein.
References Cited in the file of this patent UNITED STATES PATENTS 716,459 Mueller Dec. 23, 1902 720,594 Macarthy Feb. 17, 1903 2,576,861 Shaw Nov. 27, 1951 2,655,163 Lyman Oct. 13, 1953 2,682,213 Shapiro June 29, 1954 2,682,881 Bocchino July 6, 1954

Claims (1)

1. APPARATUS FOR CLEANING MEDICAL INSTRUMENTS AND THE LIKE, COMPRISING A HOUSING FORMING A CLEANING CHAMBER, SUPPORT MEANS IN SAID CHAMBER FOR HOLDING ARTICLES TO BE CLEANED, MOUNTING MEANS IN SAID CHAMBER CARRYING SAID SUPPORT MEANS FOR RECIPROCABLE DISPLACEMENT THEREOF WITHIN SAID CHAMBER, ANGULARLY DISPLACEABLE NOZZLE MEANS WITHIN SAID CHAMBER FOR DIRECTING A STREAM OF CLEANING FLUID UNDER PRESSURE AGAINST THE ARTICLES HELD BY SAID SUPPORT MEANS, AND DRIVE MEANS FOR RECIPROCATING SAID SUPPORT MEANS RELATIVELY TO SAID NOZZLE MEANS AND FOR ANGULARLY DISPLACING SAID NOZZLE MEANS IN A PLANE GENERALLY TRANSVERSE TO THE DIRECTION OF RECIPROCATION OF SAID SUPPORT
US35196A 1960-06-10 1960-06-10 Apparatus for the cleaning and sterilization of instruments, in particular medical instruments Expired - Lifetime US3101728A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285779A (en) * 1964-11-17 1966-11-15 King Fifth Wheel Company Dishwashing apparatus
US3448747A (en) * 1968-02-15 1969-06-10 Max Isaacson Dual container work processing device
US3768971A (en) * 1971-12-21 1973-10-30 B Fishpaw Combination surgical instrument table and sterilizer basket
US3799178A (en) * 1972-10-30 1974-03-26 Corning Glass Works Extrusion die cleaning apparatus
US5275668A (en) * 1990-08-20 1994-01-04 Dell Joseph G Hydro impact medical and dental instruments washer

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US716459A (en) * 1902-04-07 1902-12-23 Samuel Mueller Apparatus for cleaning dies or forms.
US720594A (en) * 1902-09-23 1903-02-17 Edwin A Fisher Machine for enameling clay articles.
US2576861A (en) * 1948-11-18 1951-11-27 Allis Chalmers Mfg Co Hydraulic barker with multiple nozzle oscillating linkage
US2655163A (en) * 1948-09-08 1953-10-13 Homer F Lyman Dishwashing machine and activating means therefor
US2682213A (en) * 1951-11-10 1954-06-29 Shapiro Mitchell Apparatus for washing photographic prints
US2682881A (en) * 1950-06-03 1954-07-06 Joseph J Bocchino Washing machine for cases, cans, and crates

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US716459A (en) * 1902-04-07 1902-12-23 Samuel Mueller Apparatus for cleaning dies or forms.
US720594A (en) * 1902-09-23 1903-02-17 Edwin A Fisher Machine for enameling clay articles.
US2655163A (en) * 1948-09-08 1953-10-13 Homer F Lyman Dishwashing machine and activating means therefor
US2576861A (en) * 1948-11-18 1951-11-27 Allis Chalmers Mfg Co Hydraulic barker with multiple nozzle oscillating linkage
US2682881A (en) * 1950-06-03 1954-07-06 Joseph J Bocchino Washing machine for cases, cans, and crates
US2682213A (en) * 1951-11-10 1954-06-29 Shapiro Mitchell Apparatus for washing photographic prints

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285779A (en) * 1964-11-17 1966-11-15 King Fifth Wheel Company Dishwashing apparatus
US3448747A (en) * 1968-02-15 1969-06-10 Max Isaacson Dual container work processing device
US3768971A (en) * 1971-12-21 1973-10-30 B Fishpaw Combination surgical instrument table and sterilizer basket
US3799178A (en) * 1972-10-30 1974-03-26 Corning Glass Works Extrusion die cleaning apparatus
US5275668A (en) * 1990-08-20 1994-01-04 Dell Joseph G Hydro impact medical and dental instruments washer

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