1. A connection arrangement for providing at least a first medical device with a substantially tamper resistant connection,
said connection arrangement (1) comprising;
a first connection member (21,161,521,621) for connection to said at least one first medical device,
a body (60,120, 504, 603),
wherein
said first connection member (21,161,521,621) and said body (60,120, 504, 603) are connected directly or indirectly together via at least one designated ruptureable retaining member (41, 141, 541, 641) that is arranged to rupture when subjected to a predetermined breaking force,
wherein said first connection member (21,161,521,621), and thereby said first medical device after assembly, can be displaced with respect to said body (60,120, 504, 603) after rupture.
2. The connection arrangement according to claim 1, wherein said first connection member (21,161,521,621) is arranged to connect to said first medical device by means of a threaded coupling in a first direction.
3. The connection arrangement according to claim 1, wherein said at least one designated ruptureable retaining member (41, 141, 541, 641) is arranged to rupture by means of a relative rotational motion imparted to said body (60,120, 504, 603) with respect to said first connection member (21,161,521,621).
4. The connection arrangement according to claim 3, wherein said first direction is the same direction as said relative rotational motion.
5. The connection arrangement according to claim 1, wherein said predetermined breaking force is between 10-40 Ncm, preferably 15-30 Ncm.
6. The connection arrangement according to claim 1, wherein at least one designated ruptureable retaining member (41, 141, 541, 641) isare 1-10 designated ruptureable retaining members.
7. The connection arrangement according to claim 1, wherein at least one designated ruptureable retaining member (41, 141, 541, 641) is arranged to provide for a substantially planar fracture surface, to minimize the available friction forces between said body (60,120, 504, 603) and said first connection member (21,161,521,621).
8. The connection arrangement according to claim 1, wherein at least one designated ruptureable retaining member (41, 141, 541, 641) comprises at least one notch to steer the position of a fracture surface.
9. The connection arrangement according to claim 4, wherein said first connection member (21,521,621) and at least a part of said body (60, 504, 603) together form a connection site (20, 503, 610) to which said first medical device can be connected.
10. The connection arrangement according to claim 4, wherein said body (60,120, 504, 603) comprises means for substantially preventing said first connection member (21,161,521,621) from motion along a centre axis (A).
11. The connection arrangement according to claim 4, wherein said first connection member (21,161,521,621) has a substantially cylindrical form.
12. The connection arrangement according to claim 11, wherein said first connection member (21,161,521,621) comprises threads for a threaded coupling with said first medical device.
13. The connection arrangement according to claim 9, wherein said at least one designated ruptureable retaining member isare integrally formed with at least said first connection member (21,521,621) and said body (60,504,603).
14. The connection arrangement according to claim 1, wherein said first connection member (161) comprises a connection site (112) to which said first medical device can be connected.
15. The connection arrangement according to claim 1, wherein said body (60,120, 504, 603) comprises a second connection site (11) for connecting to a second medical device.
16. The connection arrangement according to claim 1, wherein said connection arrangement forms part of a medical adaptor device (10).
17. The connection arrangement according to claim 1, wherein said connection arrangement forms part of a piercing member protection device (99).
18. The connection arrangement according to claim 1, wherein said connection arrangement forms part of a syringe (600).
19. The connection arrangement according to claim 1, wherein said connection arrangement forms part of an infusion bag connection system (500).
20. Method for attaching a first medical device to a connection arrangement to form a substantially tamper resistant connection there between, said method comprising the steps of;
attaching said first medical device to a first connection member (21,161,521,621) of said connection arrangement by means of a motion in a first direction;
rupturing at least one designated ruptureable retaining member (41, 141, 541, 641), arranged between said first connection member and a body (60,120, 504, 603) of said connection arrangement, by means of subjecting said designated ruptureable retaining member (41, 141, 541, 641) to a predetermined breaking force, so that said first connection member (21,161,521,621) and said body (60,120, 504, 603) can be displaced with respect to each other.
21. The method according to claim 20, wherein said at least one designated ruptureable retaining member (41, 141, 541, 641) is ruptured by means of a rotational motion in a first direction.
22. A female or a male coupling device having a centre axis A for connection with at least a first medical device, said coupling device comprising a connection site (11) comprising;
a cylinder member (21, 521, 620) having threads (25,625) for providing a threaded coupling with a first medical device by means of a rotational motion in a first direction, said cylinder member (21, 521, 620) comprising an inner and an outer surface (22,23,621,622),
a fluid transfer channel (50,550) for enabling a fluid connection, wherein said cylinder member (21, 521, 620) is arranged to at least partly encompass said fluid transfer channel (50,550), and
a body (60,120, 504, 603), said fluid transfer channel extending inside of said body (60,120, 504, 603),
wherein
said cylinder member (21, 521, 620) is directly or indirectly connected to said body (60,120, 504, 603) via at least one designated ruptureable retaining member (41, 141, 541, 641), wherein said at least one designated ruptureable retaining member (41, 141, 541, 641) is arranged to rupture at a predetermined breaking force whereafter said cylinder member (21, 521, 620) can be freely rotated around said centre axis (A) and with respect to said body (60,120, 504, 603).
23. The female or male coupling device according to claim 22, wherein said first connection site (11) comprises means (30, 29,607,601) for substantially preventing said cylinder member (21, 521, 620) from motion in a direction along said centre axis A.
24. The female or male coupling device according to claim 22, wherein said coupling device is a female coupling device and in that said threads (625) of said cylinder member (620) is arranged on said outer surface (621) of said cylinder member (620).
25. The female or male coupling device according to claim 22, wherein said coupling device is a male coupling device and in that said threads (25) of said cylinder member (21,521) is arranged on said inner surface (22) of said cylinder member (21,521).
26. The female or male coupling device according to claim 22, wherein said at least one designated ruptureable retaining member (41, 141, 541, 641) is arranged to rupture by a subjected rotational motion to said cylinder member (21,521) and in that said subjected rotational motion is in the same direction as said first direction.
27. The female or male coupling device according to claim 22, wherein said cylinder member (21,521) comprises a first and a second end (26,27) and in that said at least one designated ruptureable retaining member (41, 141, 541, 641) isare arranged to said first end (26) of said cylinder member (21).
28. The female or male coupling device according to claim 22, wherein said coupling device is of a luer-lock connection type.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A water-containing slip for producing a BN-containing coating on a substrate, which comprises, based on the solids content of the slip,
a) 45-90% by weight of BN,
b) 3-25% by weight of boehmite nanoparticles,
c) 0.5-5% by weight of at least one borate,
d) 2-30% by weight of at least one water-insoluble boron compound which is different from the components a) and c),
e) 2-30% by weight of an organic compound,
where the solids content of the slip is 15-60% by weight.
2. The slip as claimed in claim 1, wherein the BN of component a) is present in a proportion of 45-85% by weight, preferably 45-75% by weight.
3. The slip as claimed in claim 1, wherein the boehmite nanoparticles b) are present in a proportion of 5-20% by weight, preferably 10-18% by weight.
4. The slip as claimed in claim 1, wherein the borate c) is present in a proportion of 1-4% by weight, preferably 1-3% by weight.
5. The slip as claimed in claim 1, wherein the water-insoluble boron compound d) is present in a proportion of 5-25% by weight, preferably 5-20% by weight.
6. The slip as claimed in claim 1, wherein the organic compound e) is present in a proportion of 3-20% by weight, preferably 3-15% by weight.
7. The slip as claimed in claim 1, wherein the solids content of the slip is 20-40% by weight, preferably 25-35% by weight.
8. The slip as claimed in claim 1, which further comprises, based on the total composition of the slip, at least one of the following components
f) up to 2% by weight of boric acid,
g) up to 15% by weight of at least one hard material selected from among oxides, carbides and nitrides,
h) up to 15% by weight of at least one metal powder.
9. The slip as claimed in claim 1, wherein the borate c) is selected from the group consisting of lithium borate, potassium borate, sodium borate, calcium borate and borax.
10. The slip as claimed in claim 1, wherein the water-insoluble boron compound d) is selected from the group consisting of boron carbide, metal borides and elemental boron.
11. The slip as claimed in claim 1, wherein the organic compound e) is selected from the group consisting of synthetic polymers, natural polymers, waxes, oils and phosphate esters.
12. The slip as claimed in claim 1, wherein the organic compound e) is a polyvinyl butyral.
13. The slip as claimed in claim 1, wherein the BN of component a) is a BN powder having an average particle size of 1-30 \u03bcm, preferably 2-15 \u03bcm.
14. The slip as claimed in claim 1, wherein the boehmite nanoparticles b) have an average particle size of 1-100 nm, preferably 1-40 nm, particularly preferably 2-20 nm.
15. The slip as claimed in claim 8, wherein the boric acid f) is present in a proportion of up to 1% by weight, preferably up to 0.5% by weight, based on the total composition of the slip.
16. The slip as claimed in claim 8, wherein the hard materials g) are present in a proportion of 0.5-10% by weight, preferably 1-8% by weight, based on the total composition of the slip.
17. The slip as claimed in claim 8, wherein the hard materials g) are selected from the group consisting of Al2O3, ZrO2, TiO2 and SiC.
18. The slip as claimed in claim 8, wherein the metal powder h) is present in a proportion of 0.5-10% by weight, preferably 1-8% by weight, based on the total composition of the slip.
19. The slip as claimed in claim 8, wherein the metal powder h) is selected from the group of the metals Al, Mg, Si, Zr, Sn, Zn, their mixtures and their alloys, preferably from the group of light metals having a melting point below 800\xb0 C., particularly preferably Al, Mg, their mixtures and alloys.
20. A process for producing a water-containing slip as claimed in claim 1, which comprises the steps
i) production of a boehmite sol in an aqueous medium,
ii) addition of the remaining constituents with simultaneous homogenization to produce the slip.
21. A coated body comprising a substrate having a coating applied thereto, wherein the coating has been produced from a slip as claimed in claim 1.
22. The coated body as claimed in claim 21, wherein the substrate is selected from among metallic, ceramic or other inorganic substrates.
23. The coated body as claimed in claim 21, wherein the substrate is present in the form of a shaped part, a film, a woven fabric or a fiber.
24. The coated body as claimed in claim 21, wherein the coating has a thickness of 5-2000 \u03bcm, preferably 15-1000 \u03bcm, more preferably 30-500 \u03bcm.
25. A process for producing a coated body comprising a substrate having a coating applied thereto, which comprises the steps
1) application of the slip as claimed in claim 1 to the substrate by one or more doctor blade coating, dipping, flooding, spin coating, spraying, brushing or painting steps,
2) drying of the coating obtained in this way,
3) baking of the coating.
26. The process as claimed in claim 25, wherein the baking in step 3) is effected in situ during use of the coated body in a foundry application.
27. The process as claimed in claim 25, wherein the baking in step 3) is carried out at elevated temperatures before use of the coated body.
28. The process as claimed in claim 25, wherein the baking in step 3) is carried out at temperatures of from 180 to 800\xb0 C.
29. The use of a coated body as claimed in claim 21 in the field of foundry applications, in particular light metal foundry applications.
30. The use as claimed in claim 29, wherein the coated body is a mold frame, a pouring spout or a container for keeping metal melts hot.