Receiving device comprising an adjustable covering element

1. Holding device ( 1 ) with a holding container ( 2 ) for a holding vessel, wherein the holding container ( 2 ) surrounds a holding chamber ( 7 ) with a container wall ( 6 ), and in the direction of a longitudinal axis ( 8 ) comprises a proximal and a distal end ( 9 , 10 ) spaced apart from one another, whereby the container wall ( 6 ) is delimited by an inner surface ( 11 ) facing the holding chamber ( 7 ) and an outer surface ( 12 ) facing away therefrom, with a needle holder ( 4 ) for a needle arrangement ( 14 ) which can be secured thereon, whereby the needle holder ( 4 ) in the holding chamber ( 7 ) of the holding container ( 2 ) is designed to be displaceable relative to the holding container from a position of use in the region of the proximal end ( 9 ) to a disposal position in the direction of the distal end ( 10 ), with a first adjusting device ( 15 ) for the needle holder ( 4 ) for the displacement from the position use into the disposal position, with a cover element ( 3 ) for the needle arrangement ( 14 ) securable to the needle holder ( 4 ) in the disposal position of the needle holder ( 4 ) and with a releasable locking device ( 16 ), wherein the cover element ( 3 ) is formed by a disc-shaped main body ( 21 ) aligned in a plane ( 20 ) perpendicular to the longitudinal axis ( 8 ), whereby the cover element ( 3 ) in the position of use of the needle holder ( 4 ) is arranged adjacent thereto on the side pointing away from the proximal end ( 9 ) in the holding chamber ( 7 ), and in that the releasable locking device ( 16 ) is arranged between the cover element ( 3 ) and the holding container ( 2 ), with which the cover element ( 3 ) in the position of use of the needle holder ( 4 ) is held relative to the holding container ( 2 ), and wherein between the needle holder ( 4 ) and the cover element ( 3 ) an additional adjusting device ( 17 ) is arranged formed by an elastically deformable spring element ( 19 ), whereby on releasing the locking device ( 16 ) the cover element ( 3 ) is displaced relative to the needle holder ( 4 ) in the direction of the longitudinal axis ( 8 ) by the additional adjusting device ( 17 ) in the direction of the distal end ( 10 ) of the holding container ( 2 ).

2. Holding device according to claim 1 , wherein the first adjusting device ( 15 ) is in the form of a compression spring.

3. Holding device according to claim 1 , wherein the additional adjusting device ( 17 ) is designed to expand conically from the needle holder ( 4 ) up to the cover element ( 3 ).

4. Holding device according to claim 1 , wherein the first and the additional adjusting device ( 15 , 17 ) are in the form of a one-piece component.

5. Holding device according to claim 1 , wherein the disc-shaped main body ( 21 ) of the cover element ( 3 ) has an external diameter ( 30 ) in the plane ( 20 ) perpendicular to the longitudinal axis ( 8 ), which corresponds approximately to an inner diameter ( 31 ) of the holding chamber ( 7 ) in the same plane ( 20 ).

6. Holding device according to claim 1 , wherein the cover element ( 3 ) in the region of the longitudinal axis ( 8 ) has an opening ( 22 ) for feeding through a portion of the cannula ( 5 ).

7. Holding device according to claim 6 , wherein in the region of the opening ( 22 ) a component ( 23 ) is arranged for suctioning or absorbing liquid.

8. Holding device according to claim 1 , wherein the locking device ( 16 ) comprises at least two diametrically opposite locking elements ( 25 ) and locking recesses ( 26 ) cooperating therewith.

9. Holding device according to claim 8 , wherein the locking elements ( 25 ) are arranged on the disc-shaped main body ( 21 ) of the cover element ( 3 ).

10. Holding device according to claim 1 , wherein on the main body ( 21 ) of the cover element ( 3 ), several, locking elements ( 25 ) are arranged distributed evenly around the circumference and in the holding container ( 2 ) several, diametrically opposite locking recesses ( 26 ) are arranged to form the locking device ( 16 ).

11. Holding device according to claim 8 , wherein the locking recesses ( 26 ) are arranged in the container wall ( 6 ) of the holding container ( 2 ).

12. Holding device according to claim 8 , wherein the locking recesses ( 26 ) penetrate the container wall ( 6 ) of the holding container ( 2 ).

13. Holding device according to claim 8 , wherein the locking elements ( 25 ) project in radial direction, from the inner surface ( 11 ) to the outer surface ( 12 ) of the container wall ( 6 ), only partially into the locking recesses ( 26 ).

14. Holding device according to claim 8 , wherein the locking elements ( 25 ) are spring-connected to the disc-shaped main body ( 21 ) of the cover element ( 3 ).

15. Holding device according to claim 8 , wherein the locking elements ( 25 ) are arranged on a holding arm ( 57 ) projecting from the main body ( 21 ) of the cover element ( 3 ) in the direction of the needle holder ( 4 ) or the proximal end ( 9 ).

16. Holding device according to claim 8 , wherein the locking elements ( 25 ) are arranged in the region of the outer circumference of the cover element ( 3 ).

17. Holding device according to claim 1 , wherein on the region of the main body ( 21 ) facing the proximal end ( 9 ) at least one first centering element ( 51 ) for the additional adjusting device ( 17 ) is arranged.

18. Holding device according to claim 1 , wherein between the cover element ( 3 ) and the inner surface ( 11 ) of the container wall ( 6 ) at least one first guiding arrangement ( 27 ) is provided, which is aligned in the direction of the longitudinal axis ( 8 ) of the holding container ( 2 ).

19. Holding device according to claim 18 , wherein the guiding arrangement ( 27 ) extends at least over the entire displacement path ( 58 ) of the cover element ( 3 ) between its maintenance position in the region of the proximal end ( 9 ) and its cover position in the region of the distal end ( 10 ).

20. Holding device according to claim 18 , wherein the first guiding arrangement ( 27 ) is formed by at least one guiding groove ( 28 ) indented in the container wall ( 6 ) and running in the direction of the longitudinal axis ( 8 ) and at least one guiding extension ( 29 ) on the cover element ( 3 ) engaging with the guiding groove ( 28 ).

21. Holding device according to claim 20 , wherein several guiding grooves ( 28 ) are arranged evenly distributed around the circumference of the holding container ( 2 ).

22. Holding device according to claim 20 , wherein a groove base of the guiding groove ( 28 ) over its longitudinal extension relative to the longitudinal axis ( 8 ) runs parallel to the the longitudinal axis.

23. Holding device according to claim 1 , wherein the diametrically opposite locking devices ( 16 ) viewed in the direction of the longitudinal axis ( 8 ) are arranged around the circumference of the holding container ( 2 ) symmetrically between the guiding grooves ( 28 ).

24. Holding device according to claim 1 , wherein between the holding container ( 2 ) and the cover element ( 3 ) a further guiding arrangement ( 52 ) is provided.

25. Holding device according to claim 1 , wherein in order to form at least one part of a guiding arrangement ( 27 , 52 ) a partial section ( 53 , 54 ) of the inner surface ( 11 ) of the container wall ( 6 ) is designed as a guide track ( 55 , 56 ) and is aligned over its longitudinal extension relative to the longitudinal axis ( 8 ) in parallel to the the longitudinal axis.

26. Holding device according to claim 25 , wherein the partial section ( 53 , 54 ) of the inner surface ( 11 ) or the inner surface ( 11 ) is designed to be cylindrical relative to the longitudinal axis ( 8 ).

27. Holding device according to claim 18 , wherein the first guiding arrangement ( 27 ) is formed by the bearing or cooperation of the locking element ( 25 ) on the guide track ( 55 ) arranged on the holding arm ( 57 ).

28. Holding device according to claim 27 , wherein the locking element or elements ( 25 ) lie with a predeterminable bearing force aligned radially in the direction of the guide track ( 55 ).

29. Holding device according to claim 28 , wherein the bearing force is almost equal over the entire displacement path ( 58 ) of the cover element ( 3 ).

30. Holding device according to claim 24 , wherein the additional guiding arrangement ( 52 ) in the region of the holding container ( 2 ) comprises at least one guide element ( 59 ), arranged on the inner surface ( 11 ) thereof and projecting in the direction of the longitudinal axis ( 8 ) and projecting over the inner surface ( 11 ).

31. Holding device according to claim 30 , wherein the guide element or elements ( 59 ) is or are aligned in the direction of the longitudinal axis ( 8 ).

32. Holding device according to claim 30 , wherein two guide elements ( 59 ) arranged next to one another around the circumference form a portion of the additional guiding arrangement ( 52 ).

33. Holding device according to claim 32 , wherein several guide elements ( 59 ) are provided, distributed evenly in pairs around the circumference.

34. Holding device according to claim 24 , wherein the additional guiding arrangement ( 52 ) comprises at least one further guide track ( 56 ) which is arranged between the two adjacently arranged guide elements ( 59 ).

35. Holding device according to claim 24 , wherein the additional guiding arrangement ( 52 ) in the region of the needle holder ( 4 ) comprises at least one guide extension ( 60 ) cooperating with the guide element or elements ( 59 ).

36. Holding device according to claim 35 , wherein the guide extension or extensions ( 60 ) is or are arranged respectively between the two adjacent guide elements ( 59 ).

37. Holding device according to claim 1 , wherein the first and the additional guide tracks ( 55 , 56 ) arranged in the form of a cross relative to one another are offset relative to one another in circumferential direction by 90°.

38. Holding device according to claim 1 , wherein at least one guide element ( 59 ) projects into at least one partial section ( 62 ) formed in the circumferential region of the cover element ( 3 ) or is in engagement with the cover element.

39. Holding device according to claim 1 , wherein the container wall ( 6 ) in the plane ( 20 ) aligned perpendicular to the longitudinal axis ( 8 ) has a circular cross section, and an external diameter ( 30 ) of the disc-shaped main body ( 21 ) corresponds approximately to an inner diameter ( 31 ) of the holding chamber ( 7 ) in this plane.

40. Holding device according to claim 1 , wherein the holding container ( 2 ) is designed to be open in the region of the distal end ( 10 ) and closed in the region of the proximal end ( 9 ) partially by an end wall ( 13 ).

41. Holding device according to claim 40 , wherein the end wall ( 13 ) has an opening ( 32 ) in the region of the longitudinal axis ( 8 ) which corresponds in its inner cross sectional dimension ( 33 ) approximately to an outer cross sectional dimension ( 34 ) of the needle holder ( 4 ).

42. Holding device according to claim 40 , wherein in the end wall ( 13 ) there is a holding chamber ( 35 ) for the first adjusting device ( 15 ) or the one-piece component formed by the adjusting devices ( 15 , 17 ).

43. Holding device according to claim 1 , wherein the needle holder ( 4 ) is formed by a roughly sleeve-shaped supporting body ( 36 ).

44. Holding device according to claim 43 , wherein on the sleeve-shaped supporting body ( 36 ) in the plane ( 20 ) aligned perpendicular to the longitudinal axis ( 8 ) at least one support element ( 37 ) projecting radially outwards over the carrier body is arranged.

45. Holding device according to claim 44 , wherein on the support element ( 37 ) the adjusting devices ( 15 , 17 ) are supported at the end regions facing one another.

46. Holding device according to claim 45 , wherein at least one of the end regions is secured firmly to the support element ( 37 ).

47. Holding device according to claim 44 , wherein the support element ( 37 ) in a one piece design of the adjusting device ( 15 , 17 ) is arranged in a transition region thereof and is secured thereto.

48. Holding device according to claim 44 , wherein the support element ( 37 ) is designed as a support element ( 48 ) running around the circumference and projecting over the supporting body ( 36 ) radially.

49. Holding device according to claim 43 , wherein on the region of the support element ( 48 ) facing the proximal end ( 9 ) at least one first centering element ( 49 ) is arranged.

50. Holding device according to claim 43 , wherein in the region of the needle holder ( 4 ) facing the distal end ( 10 ) a tubular depression ( 49 ) is arranged in the sleeve-shaped supporting body ( 36 ).

51. Holding device according to claim 43 , wherein in the sleeve-shaped supporting body ( 36 ) a thread arrangement ( 43 ) is provided for the needle arrangement ( 14 ).

52. Holding device according to claim 51 , wherein the thread arrangement ( 43 ) is aligned in such a way, that with an opposite arrangement and horizontal alignment of the releasable locking device ( 16 ) for the cover element ( 3 ) a tapering ( 45 ) on a cannula tip ( 44 ) is provided on an upper side of the cannula ( 5 ).

53. Holding device according to claim 1 , wherein between the needle holder ( 4 ) and the holding container ( 2 ) an anti-rotational means ( 38 ) is arranged, which in the position of use of the needle holder ( 4 ) is in engagement and prevents a relative pivoting or rotation between the needle holder about the longitudinal axis ( 8 ).

54. Holding device according to claim 1 , wherein the cover element ( 3 ) with the needle holder ( 4 ) located in the disposal position is secured in the region of the distal end ( 10 ) relative to the holding container ( 2 ) in its longitudinal movement in the direction of the longitudinal axis ( 8 ) by means of a locking device ( 39 ).

55. Holding device according to claim 54 , wherein the locking device ( 39 ) comprises at least one retaining element ( 40 ) arranged on the holding container ( 2 ) and facing the distal end ( 10 ) and at least one locking element ( 41 ) cooperating therewith on the cover element ( 3 ).

56. Holding device according to claim 54 , wherein the retaining element ( 40 ) is formed by a spring element of the container wall ( 6 ), which is designed at least over a portion of its longitudinal extension in the direction of the longitudinal axis ( 8 ) to project over the inner surface ( 11 ) in the direction of the longitudinal axis ( 8 ).

57. Holding device according to claim 54 , wherein the retaining element or elements ( 40 ) are arranged in the region of the guiding arrangement ( 27 ).

58. Holding device according to 53 , wherein the locking device ( 39 ) comprises at least one stop element ( 42 ) for the cover element ( 3 ) arranged on the holding container ( 2 ) and facing the distal end ( 10 ).

59. Holding device according to claim 58 , wherein the stop element or elements ( 42 ) are arranged in the region of the guiding arrangement ( 27 ).

60. Holding device according to claim 1 , wherein in the region of the distal end ( 10 ) of the holding container ( 2 ) at least one securing element ( 46 ) is arranged on the holding container.

61. Holding device according to claim 60 , wherein the securing element ( 46 ) is inserted into the holding container ( 7 ) and is locked onto the holding container ( 2 ).

62. Holding device according to claim 60 , wherein the securing element ( 46 ) comprises a sleeve-shaped support element ( 63 ) and a flangeshaped step ( 64 ) connected therewith, which projects over the support element ( 63 ) in the direction away from the longitudinal axis ( 8 ).

63. Holding device according to claim 60 , wherein on the sleeve-shaped support element ( 63 ) at least one positioning element ( 66 ) aligned in parallel direction to the longitudinal axis ( 8 ) is arranged, which projects over the support element ( 63 ) in the direction of the proximal end ( 9 ).

64. Holding device according to claim 63 , wherein several positioning elements ( 66 ) are provided distributed evenly around the circumference.

65. Holding device according to claim 1 , wherein the positioning element ( 66 ) projects into the additional guide track ( 56 ) arranged between the two adjacent guide elements ( 59 ).

66. Holding device according to claim 1 , wherein in the disposal position the guide extension ( 60 ) of the needle holder ( 4 ) is supported at the end of the positioning element ( 66 ) facing the proximal end ( 9 ).

67. Holding device according to claim 1 , wherein the locking device ( 39 ) comprises at least one retaining element ( 69 ) arranged on the securing element ( 46 ) and closer to the proximal end ( 9 ) and at least one locking element ( 25 ) on the cover element ( 3 ) interacting therewith.

68. Holding device according to claim 1 , wherein the locking device ( 39 ) also comprises at least one stop element ( 68 ) for the cover element ( 3 ) arranged on the securing element ( 46 ) and facing the distal end ( 10 ).

69. Holding device according to claim 1 , wherein in the disposal position an anti-rotational means ( 72 ) is in engagement between the securing element ( 46 ) and the cover element ( 3 ).