A mixing device which can be connected to a discharge unit and is provided to mix one or more substances together as they are discharged from the discharge unit. The mixing device has a base element with a circumferential side wall and an insert which can be inserted into the base element in such a
A mixing device which can be connected to a discharge unit and is provided to mix one or more substances together as they are discharged from the discharge unit. The mixing device has a base element with a circumferential side wall and an insert which can be inserted into the base element in such a manner that at least one circumferential zone of said insert lies against the side wall of the base element in a sealing manner. A mixing structure with mixing channels is formed on the insert, through which mixing structure the substances can be discharged from the discharge unit.
대표청구항▼
1. A mixing device which is connectable to a discharge unit and which, when one or more substances are discharged from the discharge unit, serves for mixing said substances, said mixing device comprising a base element with a circumferential side wall as well asan insert part comprising an outside s
1. A mixing device which is connectable to a discharge unit and which, when one or more substances are discharged from the discharge unit, serves for mixing said substances, said mixing device comprising a base element with a circumferential side wall as well asan insert part comprising an outside surface, a circumferential region and a mixing structure with mixing channels, through which the substances can be discharged out of the discharge unit,wherein the insert part is insertable into the base element in such a manner that it abuts sealingly against the side wall of the base element by way of a large part of its entire circumferential region,wherein the mixing structure is realized with its mixing channels in the form of indentations in the outside surface of the insert part such that the insert part, when being inserted in the base element, together with the circumferential side wall of the base element delimits the mixing channels,wherein the mixing structure comprises at least one pair of two channels which extend separately from one another as well as a mixing zone into which the two channels, which extend separately from one another, open out,wherein the mixing device comprises a main flow direction along which the substances are discharged through the mixing device,and wherein the two channels, which extend separately from one another, projected onto said main flow direction, extend both in the main flow direction and in the direction pointing opposite to the main flow direction. 2. The mixing device as claimed in claim 1, wherein the mixing structure is realized at the side in the circumferential region of the insert part. 3. The mixing device as claimed in claim 1, wherein the insert part abuts sealingly against the side wall of the base element by way of at least 50%, in particular by way of at least 70%, of its circumferential surface. 4. The mixing device as claimed in claim 1, wherein the two channels, which extend separately from one another, open out into the mixing zone in such a manner that the substances pass into the mixing zone from directions which are substantially opposite one another. 5. The mixing device as claimed in claim 1, wherein the mixing structure comprises at least one transfer channel and one separating region into which the transfer channel opens out and from which the two channels, which extend separately from one another, extend. 6. The mixing device as claimed in claim 5, wherein the mixing structure comprises several pairs of channels, which extend separately from one another, and several mixing zones into which in each case the two channels of one pair, which extend separately from one another, open out, and wherein the transfer channel connects a mixing zone and a separating region together. 7. The mixing device as claimed in claim 6, wherein the mixing structure comprises at least three, in particular at least five, pairs of channels, which extend separately from one another, and at least three, in particular at least five, mixing zones into which in each case the two channels of one pair, which extend separately from one another, open out. 8. The mixing device as claimed in claim 1, wherein the insert part as a whole has a substantially cylindrical form. 9. The mixing device as claimed in claim 1, wherein a mixing chamber and a vortex chamber are realized in the base element. 10. The mixing device as claimed in claim 1, wherein several substantially identical mixing structures are realized on the insert part. 11. The mixing device as claimed in claim 1, wherein the mixing device comprises a Luer connection which serves for connecting the mixing device to the discharge unit. 12. A set comprising a discharge unit and a mixing device, wherein the mixing device is connectable to the discharge unit in such a manner that one or several substances can be discharged out of the discharge unit through the mixing device and at the same time can be mixed in the mixing device, the mixing device comprising a base element with a circumferential side wall as well asan insert part comprising an outside surface, a circumferential region and a mixing structure with mixing channels, through which the substances can be discharged out of the discharge unit,wherein the insert part is insertable into the base element in such a manner that it abuts sealingly against the side wall of the base element by way of a large part of its entire circumferential region,wherein the mixing structure is realized with its mixing channels in the form of indentations in the outside surface of the insert part such that the insert part, when being inserted in the base element, together with the circumferential side wall of the base element delimits the mixing channels,wherein the mixing structure comprises at least one pair of two channels which extend separately from one another as well as a mixing zone into which the two channels, which extend separately from one another, open out,wherein the mixing device comprises a main flow direction along which the substances are discharged through the mixing device,and wherein the two channels, which extend separately from one another, projected onto said main flow direction, extend both in the main flow direction and in the direction pointing opposite to the main flow direction. 13. The set as claimed in claim 12, wherein the discharge unit is a double syringe, a multiple syringe or several individual syringes connected together.
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이 특허에 인용된 특허 (9)
Reidel Guillermo (Marburg DEX) Weitzel Dietmar (Marburg DEX) Grothoff Hans (Dortmund DEX), Apparatus for spraying a mixture of two components.
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