CH97539A - Dropper. - Google Patents
Dropper.Info
- Publication number
- CH97539A CH97539A CH97539DA CH97539A CH 97539 A CH97539 A CH 97539A CH 97539D A CH97539D A CH 97539DA CH 97539 A CH97539 A CH 97539A
- Authority
- CH
- Switzerland
- Prior art keywords
- tank
- tube
- dropper
- liquid
- coil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0241—Drop counters; Drop formers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1443—Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters
- A61J1/145—Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters using air filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1443—Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters
- A61J1/1456—Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters using liquid filters
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- External Artificial Organs (AREA)
Description
Compte-go uttes.
L'objet de la présente invention est un
compte-gouttes possédant un réservoir à peu
prés sphérique surmonté d'un tube servant
à l'introduction et à l'écoulement du liquide,
ce tube formant serpentin sur une certaine
longueur, et ull filtre étant disposé entre l'en
trée respectivement la sortie du réservoir et
le serpentin.
Le dessin montre, à titre d'exemple, une forme d'exécution du compte-gouttes.
Celle-ci possède le réservoir 1 de forme à peu prés sphérique muni d'un fond plat 2.
3 est un renflement du tube capillaire 4. Dans ce renflement est disposé un tampon de coton hydrophile stérilisé, destiné à empêcher les impuretés de pénétrer à l'intérieur du réservoir.
Le tube capillaire est muni d'un serpentin 5.
6 est l'extrémité extérieure du tube, laquelle est recouverue par un capuchon 7. Un joint 8, en matière plastique, assure la fermeture hermétique de' l'extrémité 6 du tube.
Pour obtenir un bon écoulement, on fait bien de ne remplir le réservoir qu'à moitié.
Pour remplir le compte-gouttes représenté, on chauffe légèrement le réservoir, puis l'ex
trémité 6 est plongée dans de l'eau distillée pour introduile une petite quantité d'eau à l'intérieur. On évapore ensuite cette eau pour produire un vide à l'intérieur du réservoir et on plonge l'extrémité 6 dans le liquide à introduire. On peut ensuite fermer l'extrémité 6 au moyen d'un chalumeau à gaz, mettre le capuchon et placer le compte-gouttes dans un autoclave.
Pour faire sortir le liquide, il suffit de tenir dans la main le réservoir renversé pour que la chaleur du corps développe une légère pression qui fait sortir le liquide par l'extrémité 6.
REVENDICATION:
Compte-gouttes, caractérisé par un réservoir à peu près sphérique, surmonté d'un tube servant à l'introduction et à l'écoulement du liquide, ce tube formant serpentin sur une certaine longueur, et un filtre étant disposé entre l'entrée respectivement la sortie du réservoir et le serpentin.
**ATTENTION** fin du champ DESC peut contenir debut de CLMS **.
Go uttes account.
The object of the present invention is a
dropper with a little reservoir
spherical meadows surmounted by a tube serving
the introduction and flow of liquid,
this tube forming a coil over a certain
length, and the filter being disposed between the en
respectively the outlet of the tank and
the coil.
The drawing shows, by way of example, an embodiment of the dropper.
This has the tank 1 of roughly spherical shape with a flat bottom 2.
3 is a bulge of the capillary tube 4. In this bulge is disposed a sterilized cotton wool swab, intended to prevent impurities from entering the interior of the reservoir.
The capillary tube has a coil 5.
6 is the outer end of the tube, which is covered by a cap 7. A seal 8, made of plastic material, ensures the hermetic closure of the end 6 of the tube.
To obtain a good flow, it is good to fill the tank only halfway.
To fill the dropper shown, heat the tank slightly, then the former
end 6 is immersed in distilled water to introduce a small amount of water inside. This water is then evaporated to produce a vacuum inside the tank and the end 6 is immersed in the liquid to be introduced. You can then close end 6 with a gas torch, put on the cap and place the dropper in an autoclave.
To release the liquid, just hold the inverted reservoir in your hand so that the body heat develops a slight pressure which causes the liquid to exit through the end 6.
CLAIM:
Dropper, characterized by an approximately spherical reservoir, surmounted by a tube serving for the introduction and the flow of the liquid, this tube forming a coil over a certain length, and a filter being placed between the inlet respectively the outlet of the tank and the coil.
** ATTENTION ** end of DESC field can contain start of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH97539T | 1921-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH97539A true CH97539A (en) | 1923-01-16 |
Family
ID=4355293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH97539D CH97539A (en) | 1921-05-14 | 1921-05-14 | Dropper. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH97539A (en) |
-
1921
- 1921-05-14 CH CH97539D patent/CH97539A/en unknown
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