FI58583C - FOER TANDLAEKARVAORD AVSEDD SJAELVTOEMME SUGBEHAOLLARE - Google Patents

Description

I ΛΑ - "" - 1 ΓβΙ rt «ANNOUNCEMENTS8U 58583 2®V [Βί UTLÄGGININCSSKIUPT 00000 C patent ay * nr.“ Tty 10 03 1981 '** Patent seddelat ^ ^ (51) Kv.Hc? /Fne.Ct.3 A 61 C 17/04- FINLAND — FINLAND (M) bm «ih« Wmiii «· —Mwemetamf 800976 (2i) Hakami * f * lvl - AM0fcn <n« rtag 28.03.80 '' (23) MkupUvt — GUtlih « t * d «g 28.03.80 (41) Tullut | ulklMlul - BIMt cfftmlif

Ntantti ·) · reki * t * rlhall Itu * (44) Nihtiviktiptnon) * kuul.) Ulkftiam pvm. -

Patent · och raglstaratyraltan AmMcuuti «| d och utijkmtM puMinnd 28.ll.80 (32) (33) (31) Requested« chair »» - B «g« rd prtoritat (Tl) Planmeca Oy, Hitsaajankatu 8, 008l0 Helsinki 8l, Suomi-Finland (FI) (72) Arto Virta, Espoo, Suomi-Finland (FI) (7 * 0 CG. Gädeke (5 * +) Self-emptying suction tank for medical treatment -För tandläkarv & rd avsedd sj äl vtömmande sugbehdllare

The invention relates to a self-emptying suction container for dental treatment, in which a liquid removed from the patient's mouth by a suction device, such as mucus, saliva, blood and rinsing water, collects, the amalgams and other solid waste being separated for the suction pump hose and at the top of the cylinder jacket a tangential connection pipe for the suction treatment device hose and at the top of the suction tank concentric with the cylinder liner through the sewer.

Suction tanks of this type are used, but they usually have the disadvantage that the suction, and therefore also the treatment, is interrupted momentarily during the emptying phase, which can be very embarrassing and delay the treatment. Although there is a separating device (German patent publication 2713321) which operates with continuous suction despite emptying, this device is very complex. It has about 200 parts and its production becomes extremely expensive.

2 58583

The object of the present invention is to provide a simple but still reliable, continuously suction suction tank with low manufacturing costs, so that it is also competitive in foreign markets.

The self-emptying and continuous suction according to the invention are made possible by means of a device, the features of which appear from the claims below.

The invention will now be described in more detail with reference to the accompanying drawing, which shows an embodiment of the invention in three different working steps, namely:

Fig. 1 shows the suction tank in the initial or normal working stage as seen from the side and in cross-section in the middle, and Fig. 2 likewise in the emptying stage.

Figure 3 shows a special case.

The suction tank is formed by a vertical cylinder 1 made of sheet metal or transparent plastic, with a connecting pipe 2 for the suction pump hose in the middle of the cover part and an outlet valve 3 in the bottom part. A horizontal cone-shaped intermediate base 4 has a horizontal opening At the top of the cylinder housing 1 there is a horizontal, substantially tangential connection tube 5 for the hose of the suction treatment device and at the top of the tank top is attached to the lid part of the cylinder 1 and open at the bottom, an inner cylinder 6 concentric with the cylinder housing 1 thus forming a cyclone separator.

In the lower space of the tank there is a cylindrical float, i.e. a lower protrusion 7, which moves vertically freely around the channeled guide plug 8 attached to the bottom of the cylinder 1 so that there is a hole in the middle of the lower plug 7 in the middle of the guide plug 8 there is a vertical through channel 8a and around it a number (e.g. 2-4) of vertical smaller diameter channels 8b which are open at the upper end and end at a distance from the bottom of the cylinder 1 at a certain distance from the bottom of the cylinder 1 The upper surface of the guide plug 8 has a small circular protrusion around the channel 8a, so that the upper mouth of this channel is slightly higher than that of the other channels 8b.

, 58583

The upper surface of the lower tray 7 forms a horizontal plane in the middle, which in its uppermost position corresponds to the emptying opening of the midsole 4 and closes this during the emptying phase.

The upper space of the suction tank has a circular upper protrusion 10, which at the same time acts as a splash guard and which is fastened, e.g. Attached to the upper end of the mandrel 12 is a closure piece 13 which, when the upper protrusion 10 is in its highest position, corresponds to and closes the connecting pipe 2 leading to the suction pump. At the same time, the upper surface of the upper protrusion 10 closes the lower end of the inner cylinder 6.

The suction tank according to the invention operates as follows:

In the initial situation (Fig. 1), when the suction is started, there is a vacuum in the whole suction tank, as a result of which the bottom valve 3 is closed and the lower protrusion 7 remains in its lower position because the outside air pressure only affects the duct 8a. Air and liquid are sucked from the suction treatment device through the connector pipe 5, whereby air exits through the connector pipe 2 to the suction pump and the liquid is thrown by the cyclone into the walls of the cylinder 1 and drains through the opening in the intermediate base 4 into the tank.

Emptying step (Figure 2). When the liquid level in the lower space has risen to a certain height, the lower protrusion 7 first rises slightly, whereby the outdoor pressure through the duct 8a acts on the entire surface corresponding to the diameter D of the guide plug 8 and overcomes the weight of the protrusion 7, so the protrusion rises and closes the opening in the midsole 4. In this case, the suction and cyclone separation continue in the upper space of the tank and liquid accumulates in the intermediate bottom 4. Since the lower surface of the lower chamber 7 has risen above the lower openings of the ducts 8b, outside air enters the lower space of the tank 8a and 8b, the bottom valve 3 opens and the liquid drains. When the lower space is emptied, the weight of the lower space 7 overcomes the vacuum prevailing in the upper space, whereby the lower space 7 falls down and the tank returns to its initial state.

In the special case (Fig. 3), the tank is overloaded and too much water accumulates in the upper space. In this case, the upper protrusion 10 rises, closing the suction channel 2 and preventing water from being absorbed into the suction piping. When suction is interrupted, the tank is emptied, regardless of the operating stage it was in before the suction was interrupted. The tank is reset by briefly switching off the suction, which can easily be arranged in the event of

Claims (4)

1. Hammaslääkärihoitoon tarkoitettu itsetyhjentyvä imusäiliö, johon potilaan suusta poistettua nestettä; (2) imupumpun letkua varten ja lieriön (1) vaipan yläosassa tangenttinen liitinputki (5) imuhoitolaitteen letkua varten sekä imusäiliön yläosassa lieriövaipan (1) kansa samankeskeinen, alhaalta avoin sisälieriö (6) nextet valuvat segiliön seiniä pitkin imusäiliön keskeisellä aukolla varustetun velipohjan (4) avulla erotettuun alatilaan, jossa on uimuri eli alakoho (7) and pohjaventtiili (3) vastaa velipohjan (4) aukkoon ja soee tämän tyhjen new ajaksi and one alakoho (7) liikkuu vapaasti pystysuunnassa lieriön (1) pohjaosaan kiinnitetyn; jonin matkan päässä alakohon (7) yälpinnasta, jolloin ohjaustulpassa (8) on yksi tai useampia pystysuoria, läpikulkevia kanavia (8a) ja samoin pystysuoria kanavia (8¾), jotka yläpäästään ovat avoimia ja alapääs vaakasuoriin, ohjaustulpasta (8) ulosjohtaviin aukkoihin. 5 58583 2. Patenttivaatimuksen 1 mukainen imusäiliö, tunnet tu siitä, että ohjaustulpan toiminnan varmistamiseksi sen yläpinnassa läpikulkevan tai läpikulkevien kanavien (8a) ympärillä on pieni ympyränmuotoinen kohoama, joten ohjaustulpan (8) yläpuolella on alakohoon (7) kiinnitetty tiivistyslaatta (9). 3. Patent Tivaatimuksen 1 mukainen imusäiliö, tunnettu siitä, one imusäiliön ylätilassa on pyöreä yläkoho (10), joka samalla toimii roiskesuojana ja joka esim. kierteillä on kiinnitetty pystysuunnassa liikkuvaan, poikkivarteen (11) laakeroidun karan (12) alapäähän, young yläpäähän on kiinnitetty sulkukappale (13), joka yläkohon (10) ollessa ylimmässä asennossaan vastaa ) yläpinta soee sisälieriön (6) alapään. 1. A self-emptying suction container for dentists, in which fluid removed from the patient's mouth, such as mucus, saliva, blood and rinsing water, is collected, with amalgams and other solid residues before being separated from the fluid by a screen (which is a suction container). 1), whose lid portion in the middle is provided with a connection tube (2) for the suction pump hose and the cylinder (1) casing at its upper part with a tangential connection tube (5) for the suction treatment device hose, and an upper part of the suction container, with the cylindrical sheath (1) concentric, down-sealed open inner cylinder (6), whereby the upper part of the suction container forms a cyclone separator, from which the air is fed to the suction pump and liquid along the walls of the container flows down to one by means of an intermediate bottom (4). ) separate lower compartment of the suction container, which is provided with a lower float (7) and a bottom valve (3), characterized in that the upper surface of said down the float (7) forms a horizontal pane, which in its uppermost position abuts the opening in the middle bottom (4) and closes it during the discharge stage and that the lower float (7) is freely movable about one at the cylinder (1). ) bottom part attached with channels provided with a control pin