|Publication number||US1493592 A|
|Publication date||May 13, 1924|
|Filing date||Sep 2, 1921|
|Priority date||Sep 2, 1921|
|Also published as||DE358436C|
|Publication number||US 1493592 A, US 1493592A, US-A-1493592, US1493592 A, US1493592A|
|Inventors||Beck Friedrich C|
|Original Assignee||Beck Friedrich C|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (14), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
May 13 1924,
F. C. BECK SYRINGE FOR HYGIENIC PURPOSES Filed Sept.' 2. 1921 Patented 'It/lay i3, i924,
SYRINGE FOR HYGIENIG PURPOSES.
Application led September 2, 1921. Serial No. 498,016.
T 0 all whom t may concern Be it known that I, Fnrnnnicn C. BECK, a citizen of theRepublic of Switzerland, and resident of Vinterthur, in the Canton of Zurich, Switzerland, have invented certain new and useful Improvements in Syringes for I-Iygienic Purposes, of which the lfollowing is a specification.
This invention is for improvements in syringes for hygienic purposes having a shut-off receptacle or container for the syringing liquid in combination with a pumping device, and tubing connecting the receptacle with the pump and an injecting member. The purpose of this improved syringe is to cause the cleansing liquid, by the action of the pump, to bepumped and made to circulate from the liquid container to the place of injection and thence back again through a tube to the container, in such a manner, that a soiling, that is a wetting of the surroundings either before or during or after the syringing operation is prevented.
The two constructions according to my invention also possess the advantage that the utilized and returning liquid, owing to the downward pressure caused by the pumping action in the receptacle or container, is sucked off into a separate compartment and thus prevented from mixing with the vunused liquid. Furthermore, bymeans of this improved device it is possible, inr connection kwith the cleansing operation by the liquid, also to pump air to the wound to be syringed in order to subsequently draw olf even the last remains of the liquid 'from .the receptacle and, thereby prevent wetting of the surroundings after the use of the apparatus.
The syringe may be employed in connection with any suitable receptacle, preferably with a flask or bottle ot the known type, whereby a flowing out or the syringing liquid can only take place under the action or the pump.
In order that this invention may be l clearly understood reierence is made to the accompanying drawings, in which Fig. 1 illustrates one form of construction of the syringe and dependent parts in diagrammatical form only;
Fig. 2 shows a section, partly in elevaq tion, of a second form of construction.
Similar parts are designated by like rer'-y erences throughout the several views and the following specification.
Referringto Fig. l, 1 represents a liquid container or receptacle which is air-tight with the exception of two openings, as at la and 1b, serving for the connection therewith of rubber or the like tubes. One of these openings, namely that at l, is connected and communicates with the tube 3a of ya pumping device, for instance a clysterpump 2 fitted` with the kusual valves as at 2EL yand 2b respectively, the end 3 of the tube 3a containing the valve 2b and carrying a member 4 adapted to be inserted into the wound to be syringed. Fixed over the other opening 1b and communicating therewith is a rubber or the like tube 5 which is in turn 4connected to and communicates with the end 3c. yThe valve 2b is hereby so disposed that when opened under the pressure of the liquid coming from the pump 2 it closes the tube 5 while, when the pump is not in action, the said valve2b returns into the position illustrated.
In operation the device described acts as follows: Subsequent to thefilling of the receptaclel with the syringing liquid and the fitting in position of the pump 2 andtubes 3a, 3c and 5, the user applies the member L to the wound. rl`he pump is then actuated in the manner known, the air primarily being forced from the pump to the wound while the liquid is simultaneously sucked from the receptacle. The result is that a rareaction Aof the' air y in the receptacle takes Lplace which, however, is neutralized by the sucking 0E from the wound oi: the air by the tube 5. Further action of the pump now causes liquid to be forced into the wound and more liquid .to be sucked from the receptacle. Again there is raretied airproduced in the receptacle but, owing to the suction of liquid vtrom the wound neutralized by the tube 5.
'Ihis process may then be repeated at will.
'The pump 2 forms with the tube parts 3a the well known type and: constructed of two' walls with an air-tight chamber vbetween the same, the said bottle being mounted in and pr'otectedby a casing 1g. The neck-portion l of the casing is screwthreaded to receive the` correspondingly len screw-threaded end 3d of the pipe 3a, a rubber washer 9 rendering the connection between the bottle 1 and the pipe or tube 3a air-tight. The other end of the latter has screwed thereon a cover 10 adapted to receive a rota-table disc 11. This disc is internally screw-threaded and serves for the reception of a correspondingly screwthreaded tubular member 12 having a flange 12a which, in turn, carries a pin 13. Abutting against the flange 1211L and fixed in the pipe 3@L is a plate 14 provided, firstly, with a central bore to receive a pipe 15 mounted concentrically within the pipe 3a and eX- tending to near the top of the bottle, and secondly, with a series of openings, as at 16, with one of which openings the aforesaid pin 13 engages. Connected with the tubular member 12 is a tube 3 forming part of the vclyster-pump 2 fitted with valves 2@ and 2b, the continuation of the tube 3 and pump 2 being the clyster-pipe or tube 3c which, like the tube or return-pipe eX- tends through and carries the member 4 to be inserted into the wound. The return pipe y5 is hereby made to project through the wall of the pipe 3a whence it follows the course of the adjacent pipe 15.
Part of the device described, namely the cover with disc 11, tubular sleeve 12 and plate 14 is not essential and may therefore be omitted.
The action of the device as last described and when in use is as follows:
Upon the filling of the` bottle 1 with syringing liquid the pipes 5 and 15 are inserted into the bottle and air-tight connection of the latter with the pipe 3e effected. Thereafter ythe vwhole is turned upside down into the position illustrated in Fig. 2, the liquid thus descending into the pipe 3a while an air space is produced at the now top of the bottle 1. The member 4 is then inserted into the wound and the disc 11 turned. Since the pin 13 prevents the tubular member 12 from following such movement, the said tubular and screw-threaded member is caused to rise thereby allowing the liquid to penetrate through the openings 16, previously covered by the flange 12a, into the tube 3. If now the pump 2 is put in action the liquid is sucked through the clyster-pipe 3c and forced into the wound to be syringed.
And owing to this sucking action a space rarelied of air is again produced in the bottle 1, which rarefaction, however, is neutralized by the return tube 5. That is to say, the liquid injected is immediately sucked back into the bottle. When it is desired to stop the syringing operation, the
disc 11 is turned back until the flange 12av sucked through the pipe 15 into the wound, which air is again sucked back through the tube 5 thereby carrying with it any remains of the utilized liquid.
1t will be understood that the pumping device, instead of being arranged between the supply tubes 3;L and 3, could also bc fitted in the return pipe or tube 5. Furthermore, the clyster-pump 2 may be replaced by any other pumping means, while the con-- struction and arrangement of other parts constituting the syringe might be made subject to many other modilicat-ions without altering the character of the invention.
Having thus fully described my said inifention what l claim and desire to secure by Letters Patent is 1. A syringe for hygienic purposes comprising in combination closed fluid reservoir of rigid construction .having inlet and outlet ports, suctional means for withdrawing the liquid through the outlet port whereby a partial vacuum is created in the reservoir, and means for returning the fluid to the reservoir through the inlet port under the influence of the said vacuum.
2. A syringe for hygienic purposes 'comprising in combination a closed fluid reservoir of rigid construction having inlet and outlet ports, said inlet port being substantiallyv above said outlet port when the reservoir is in operative position, a tube in connection with the said outlet port, a pump in connection with the said tube whereby the fluid is withdrawn and a partial vacuum created in the reservoir, and a tube in connection with the said inlet port whereby the fluidv is returned to the reservoir under influence of the said vacuum.
3.- A syringe for hygienic purposes comprising in combination a fluid reservoir in the shape of an inverted bottle, a tube in connection with the mouth of the reservoir, another tube extending through the mouth of the reservoir, suctional means for withdrawing the fluid through one of the said tubes and thereby creating a partial vacuum in the reservoir, and means for returning the fluid to the reservoir under the influence of the said vacuum.
4. A syringe for hygienicpurposes comprising in combination a fluid reservoir consisting of an inverted double-walled bottle, a U-shaped outlet tube having one of its varms in connection with the mouth of the reservoir, an inlet tube passing through the wall of said U-shaped tube and extending upwardly through the mouth and substantially to the top wall of the reservoir, a pump in connection with the other arm of the U-shaped tube whereby the fluid is withdrawn and a partial vacuum created in the reservoir, and means for returning the fluid to the reservoir through said inlet tube under the influence of the said vacuum.
5. lIn a syringe for hygienic purposes, the combination, with a member adapted to be inserted into the wound to be syringed, and a liquid container in the form of a bottle, of a pipe oi' approximately U-shape tightly joined with its one end to the neck of the bottle and making communication therewith, two smaller pipes mounted approximately concentrically within the bottle and reaching with one end to near the bottle top, one of the said smaller pipes following the bend of the U-pipe and the other small pipe projecting through the bottom of the said bend and also extending through the inserting member with which it is rigidly connected; a pumping device, a Supply tube forming part of the pumping device and being in communication with the small pipe extending through the said U-bend on the one hand and extending through the inserting member on the other hand, and means to cause the syringing liquid to circulate from the bottle to the wound to be syringed and thence back to the bottle when the pumping device is actuated.
6. In a syringe for hygienic purposes, the combination, with a member adapted to be inserted into the Wound to be syringed, and
a bottle containing the syringing liquid, of a housing for the bottle, a pipe of approximately U-shape detachably fitted to the housing and communicating with the bottle, means to effect a tight connection between the bottle and the U-pipe, a plate fixed in the free end of said U-pipe and having a central bore and a series of perforations, a sleeve adjacent to the said plate and provided with a flange which covers the said perforations, means to adjust the sleeve vertically, a pumping device, a supply tube forming part of the pumpinO' device and being connected with the sai sleeve on the one hand and extending through the inserting member on the other hand, and means to cause the syringing liquid to circulate from the bottle to the wound to be syringed and thence back to the bottle when the pumping device is actuated.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
FRIEDRICH C. BECK.
C. W. MULLINs, AUGUST Kameo.
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|WO1992010223A1 *||Dec 9, 1991||Jun 25, 1992||Simeon B Schreiber||Method and apparatus for administering otologic medicament|
|U.S. Classification||604/36, 604/181|
|International Classification||A61M13/00, A61M3/02, A61M3/00|
|Cooperative Classification||A61M13/003, A61M3/0229|