1. An elongated cylindrical needle guard (1) for attaching and protecting a medical needle to which a tube is connected, which comprises:
a cylindrical body consisting of a front portion(2), a body(3) and a rear portion(4);
an aperture (5) at the bottom of the body (3);
at least two or more projecting portions (7a, 7b, 7c) on the top wall of the cylindrical body from the front portion(2) to the rear portion(4);
a slit (9) at the bottom of the rear portion(4) along a longitudinal direction of said needle guard; and
a groove (22) for fixing the tube on the top of the rear portion(4); and
projecting portions (23a, 23b) facing to each other at the back of said groove (22).
2. A needle guard according to claim 1, wherein
a cutout portion (22a) in said projecting portion (7c) is formed in upwardly-widened tapered shape.
3. A capped needle guard (71), wherein
a cap (18) is detachably attached to the front portion(2) of said needle guard (1) according to claim 1 or 2.
4. A capped needle guard (81), wherein
a cap (28) is integrally molded via a rim (28a) with the front portion(2) of said needle guard (1) according to claim 1.
5. A guarded winged needle assembly (1A, 21A, 31A), wherein
said needle guard (1) according to claim 1 or said capped needle guard (71, 81) according to claim 2 or claim 3 is attached to a winged needle assembly (10).
6. A guarded winged needle assembly (1A), comprising:
a winged needle assembly (10), in which a needle pin (12) is attached to the front portion of a support (13), to which a pair of wings (14) is attached on both sides of the support, to which a needle cap (16) is attached on the front outside surface of the support, and to which a tube (15) is connected on the rear outside surface of the support; and
a needle guard (1) according to claim 1 or claim 2 which is slidably mounted on said winged needle assembly (10); wherein
in a situation that said winged needle assembly (10) is attached and retracted to said needle guard (1) through an aperture (5) and a slit (9),
the outside surface of the needle cap (16) is attached to the inside surface of the front portion(2);
said winged needle assembly(10) is fixed to said needle guard(1);
the needle pin (12) is shielded in the needle cap (16);
the needle pin (12) of said winged needle assembly (10) is exposed by uncapping the needle cap (16);
the needle pin (12) of said winged needle assembly (10) is retracted into said needle guard(1) by sliding said winged needle assembly toward the rear portion(4) of said needle guard (1); and
the tube (15) is fixed into a groove (22) through projecting portions (23a, 23b) facing to each other by backwardly pulling it and lifting it up; there by
said winged needle assembly (10) being kept not to slide toward the front portion(2) of said needle guard (1) and the needle pin (12) of said winged needle assembly (10) being kept not to be exposed from said needle guard (1).
7. A guarded winged needle assembly (21A, 31A), comprising:
a winged needle assembly (10), in which a needle pin (12) is attached to a front portion of a support (13), to which a pair of wings (14) is attached to both sides of the support, and to which a tube (15) is connected to the rear outside surface of the support; and
a capped needle guard (71,81) according to claim 3 or claim 4 which is slidably mounted on said winged needle assembly; wherein
in a situation that said winged needle assembly (10) is attached and retracted to said capped needle guard (71, 81) through an aperture (5) and a slit (9);
the front outside surface of the support (13) is attached to the inside surface of the front portion (2) of said capped needle guard (71, 81);
said winged needle assembly (10) is fixed to said capped needle guard (71, 81);
the needle pin (12) is shielded in said capped needle guard (71, 81);
the needle pin (12) is exposed by uncapping said capped needle guard (71, 81);
the needle pin (12) of said winged needle assembly (10) is retracted into said capped needle guard(71,81) by sliding said winged needle assembly(10) toward the rear portion (4) of said capped needle guard (71, 81); and
the tube (15) is fixed into a groove (22) through projecting portions (23a, 23b) facing to each other by backwardly pulling it and lifting it up; there by
said winged needle assembly (10) being kept not to slide toward the front portion (2) of said capped needle guard (71, 81) and the needle pin (12) being kept not to be exposed from said capped needle guard (71, 81).
8. An elongated cylindrical needle guard (1) for attaching and protecting a medical needle to which a tube is connected, comprising:
a cylindrical body consisting of a front portion(2), a body(3) and a rear portion(4);
an aperture (5) at the bottom of the body (3);
a pair of stoppers (58) on both sides of the body (3);
thick portions (58b) on each of the stoppers (58); and
locking portions (58c) on the back of each of the thick portions (58b) for locking wings (14) of a winged needle assembly (10).
9. A needle guard (1) according to claim 8, further comprising a pair of second stoppers (68) on both sides of a rear portion (4).
10 A needle guard (1) according to claim 8 or claim 9, further comprising a groove (22) for fixing the tube on the top wall of the rear portion (4).
11. A needle guard (1) according to claim 10, further comprising:
a cutout portion (22a) at the back of the groove (22); and
a narrow portion (22b) between the groove (22) and the cutout portion (22a).
12. A needle guard (1) according to any one of claims 8 to 11, further comprising:
projecting portions (7a, 7b) on the top wall from the front portion (2) to the body (3);
a slit (9) at the bottom of the rear portion (4) along a longitudinal direction of said needle guard.
13. A capped needle guard (71), wherein
a cap (18) is detachably attached at the front portion (2) of said needle guard (1) according to any on of claims 8 to 12.
14. A capped needle guard (81), wherein
a cap (28) is integrally molded via a rim (28a) with the front portion (2) of said needle guard (1) according to any one of claims 8 to 12.
15. A guarded winged needle assembly (1A, 21A, 31A), where in
said needle guard (1) according to any one of claims 8 to 12 or said capped needle guard (71, 81) according to claim 13 or claim 14 is mounted on the winged needle assembly (10).
16. A guarded winged needle assembly (1A), comprising:
a winged needle assembly (10), in which a needle pin (12) is attached to the front portion of a support (13), to which a pair of wings (14) is attached on both sides of the support, to which a needle cap (16) is attached the front outside surface of the support, and to which a tube (15) is connected on the rear outside surface of the support; and
a needle guard (1) according to any one of claims 8 to 12 which is slidably mounted on said winged needle assembly (10); wherein
in a situation that said winged needle assembly (10) is attached and retracted to said needle guard (1) through an aperture (5) and a slit (9),
the outside surface of the needle cap (16) is attached to the inside surface of the front portion (2);
said winged needle assembly (10) is fixed to said needle guard(1);
the needle pin (12) is shielded in the needle cap (16);
the needle pin (12) of said winged needle assembly (10) is exposed by uncapping the needle cap (16);
the needle pin (12) of said winged needle assembly (10)is retracted into said needle guard(1) by sliding said winged needle assembly(10) toward the rear portion (4) of said needle guard (1); and
locking portions (58c) are locked to tips of the wings (14); there by
said winged needle assembly (10) being kept not to slide toward the front portion (2) of said needle guard (1) and the needle pin (12) of said winged needle assembly (10) being kept not to be exposed from said needle guard (1).
17. A guarded winged needle assembly (21A, 31A), comprising:
a winged needle assembly (10), in which a needle pin (12) is attached to the front portion of a support (13), to which a pair of wings (14) is attached on both sides of the support, and to which a tube (15) is connected to the rear outside surface of the support; and
a capped needle guard (71,81) according to claim 13 or claim 14 which is slidably mounted on said winged needle assembly (10); wherein
in a situation that said winged needle assembly (10) is attached and retracted to said capped needle guard (71, 81) through an aperture (5) and a slit (9),
the front outside surface of the support (13) is attached to the inside surface of the front portion (2) of said capped needle guard (71, 81);
said winged needle assembly (10) is fixed to said capped needle guard (71, 81);
the needle pin (12) is shielded in said capped needle guard (71, 81);
the needle pin (12) is exposed by uncapping said capped needle guard (71, 81);
the needle pin (12) of said winged needle assembly (10) is retracted into said capped needle guard (71,81) by sliding said winged needle assembly (10) toward the rear portion (4) of said capped needle guard (71, 81); and
locking portions (58c) are locked to tips of the wings (14); there by
said winged needle assembly (10) being kept not to slide toward the front portion (2) of said capped needle guard (71, 81) and the needle pin (12) of said winged needle assembly (10) being kept not to be exposed from said capped needle guard (71, 81).
18. A guarded winged needle assembly (1A, 21A, 31A) according to claim 16 or claim 17, wherein
the pair of wings (14) are crosswardly locked between the stoppers (58) and the second stoppers (68) by folding the wings (14) upwards.
19. A guarded winged needle assembly (1A, 21A, 31A) according to any one of claims 16 to 18, wherein
the tube (15) are fixed in the groove (22) from the cutout portion (22a) to the narrow portion (22b) by backwardly pulling the tube and lifting it up.
20. A protection guard (91) for the needle guard (1) according to claim 1 or claim 8, comprising
a front attachment portion (91f) and a rear portion attachment portion (91b) on both sides of plate (91a), respectively, wherein
said front attachment portion (91f) and said rear portion attachment portion (91b)are attached to the front portion (2) and the rear portion(4) of said needle guard (1), respectively; there by
the aperture (5) at the body (3) of said needle guard (1) being covered to cover the needle and the support of said winged needle assembly.
21. A protection guard (92) for a needle guard (1) according to claim 1 or claim 8, comprising
a front attachment portion (92f) on a plate (92a); and
said front attachment portion (92f) is attached to the front portion (2) of said needle guard (1), wherein
a portion of the aperture (5) at the body (3) of said needle guard (1) is covered by the plate (92a) so that at least the needle is not exposed.
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 method of floor control in a Push-to-Talk communications system comprising:
transmitting, from a mobile station, a floor control message via a floor control channel, said floor control message having a plurality of media type designators.
2. The method of claim 1, further comprising:
requesting, via said floor control message, floor control for at least one media type, said at least one media type specified by populating one of said media type designators corresponding to said at least one media type.
3. The method of claim 2, further comprising:
receiving, by said mobile station, a second floor control message granting a floor to said mobile station, for said at least one media type.
4. The method of claim 3, wherein transmitting, from a mobile station, a floor control message via a floor control channel, further comprises:
transmitting said floor control message via a Real Time Control Protocol (RTCP) channel.
5. The method of claim 4, wherein after the step of receiving, by said mobile station, a second floor control message granting said floor to said mobile station, for said at least one media type, the method further comprises:
transmitting said at least one media type using Real-time Transport Protocol (RTP).
6. The method of claim 5, wherein transmitting said at least one media type using Real-time Transport Protocol (RTP) further comprises:
transmitting one of audio and video.
7. A method of floor control in a Push-to-Talk communications system comprising:
transmitting, from a mobile station, a floor control message via a floor control channel, said floor control message having a plurality of media type designator fields;
requesting, via said floor control message, floor control for a combination of media types, said combination of media types specified by populating said media type designator fields, each populated designator field corresponding to a media type of said combination of media types.
8. The method of claim 7, further comprising:
receiving, by said mobile station, a second floor control message granting a floor to said mobile station for at least one media type wherein said at least one media type is selected from said combination of media types.
9. The method of claim 8, wherein transmitting, from a mobile station, a floor control message via a floor control channel, further comprises:
transmitting said floor control message via a Real Time Control Protocol (RTCP) channel.
10. The method of claim 9, wherein after the step of receiving, by said mobile station, a second floor control message granting said floor to said mobile station, the method further comprises:
transmitting said at least one media type using Real-time Transport Protocol (RTP).
11. The method of claim 7, further comprising:
receiving, by said mobile station, a second floor control message granting a floor to said mobile station for said combination of media types; and
transmitting at least one media type, from said combination of media types, using Real-time Transport Protocol (RTP).
12. The method of claim 11, wherein transmitting said at least one media type using Real-time Transport Protocol (RTP) further comprises:
transmitting one of audio and video.
13. A mobile station comprising:
at least one transceiver; and
at least one processor configured to construct a floor control message having a plurality of media type designators.
14. The mobile station of claim 13, wherein said at least one processor is further configured to populate at least one of said media type designators of said plurality of media type designators.
15. The mobile station of claim 14, wherein said at least one processor is further configured to decode and interpret a floor control message received by said at least one transceiver, wherein said floor control message comprises a plurality of media type designators.
16. The mobile station of claim 15, wherein said floor control message is a Real-time Control Protocol (RTCP) message.
17. The mobile station of claim 16, wherein said at least one transceiver is one of GSM, GSMEDGE, UMTS, CDMA2000, 802.11, 802.16, and Bluetooth.