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A system for preparing a cytological suspension is based on a fixing solution. The system containing a cytological sample-taking brush and a flask having an opening for receiving the cytological sample-taking brush are detachably fastened to a handle including a brush-receiving filter basket that is

A system for preparing a cytological suspension is based on a fixing solution. The system containing a cytological sample-taking brush and a flask having an opening for receiving the cytological sample-taking brush are detachably fastened to a handle including a brush-receiving filter basket that is at least partially immersed in the a suspension.

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1. A system for preparing a cytological suspension, the system comprising: a fixing solution;a cytological sample-taking brush detachably fastened to a handle, the cytological sample-taking brush configured for having collected cells; anda flask including a filter basket configured for receiving sai

1. A system for preparing a cytological suspension, the system comprising: a fixing solution;a cytological sample-taking brush detachably fastened to a handle, the cytological sample-taking brush configured for having collected cells; anda flask including a filter basket configured for receiving said cytological sample-taking brush with the collected cells, said filter basket being configured to be positionable within the flask so as to be at least partially immersed in the fixing solution to form the cytological suspension, and the cytological suspension can pass through the filter basket, the flask having an opening for receiving said cytological-sample taking brush, a bottom portion of the flask being provided with a valve configured for recovering the cytological suspension,the filter basket comprising an abutment configured for detaching the cytological sample-taking brush from the handle, whereby the cytological sample-taking brush drops into the filter basket and into the suspension whereby the collected cells pass through the filter basket and remain in the cytological suspension, said abutment being formed by a projecting portion of said filter basket. 2. The system according to claim 1, wherein the filter basket is detachably fastened inside the flask and is configured to be withdrawn from the flask thereby enabling the cytological sample-taking brush, detached from the handle, to be withdrawn and the cytological suspension to be recovered. 3. The system according to claim 1, wherein the filter basket is screwed into the flask. 4. The system according to claim 1, wherein the filter basket and the flask are configured to enable the filter basket to be withdrawn together with the cytological sample-taking brush. 5. The system according to claim 1, wherein the flask comprises two portions secured to each other in a detachable manner, wherein a top portion connects to the filter basket, and a bottom portion contains the cytological suspension to be recovered. 6. The system according to claim 5, wherein the two portions of the flask have complementary screw fasteners for securing to each other in a detachable manner. 7. The system according to claim 1, wherein the filter basket is configured to be positionable within the flask so that a portion of the filter basket is outside the cytological suspension and said portion outside the cytological suspension has a hole through which the cytological suspension can be recovered. 8. The system according to claim 7, wherein the cytological suspension can be recovered by pouring or by suction. 9. The system according to claim 7, wherein the hole is fitted with a suction pipe or a pouring pipe. 10. The system according to claim 1, wherein the abutment projects inside the filter basket. 11. The system according to claim 1, wherein the abutment is located at a top inside of the filter basket and projects over the filter basket. 12. The system according to claim 11, wherein the abutment is in the shape of a hook. 13. The system according to claim 1, wherein the filter basket is configured so that all undesirable components are retained by the filter basket after the filter basket has been withdrawn from the suspension. 14. The system according to claim 1, wherein the bottom portion of the flask is provided with a valve for recovering the suspension.