EP0158030A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Medical instrument
Assignee: Terumo Corp
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Filing: 1985-02-08
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Granted: —
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Expires: 2005-02-08
Abstract
Abstract A medical instrument, comprising a female connector (11) member incorporating a female taper portion (13) capable of being joined to a medical instrument member (X) having a male connector member (12) incorporating a male taper portion (15) and a ring member (17) provided to said male connector member (12) so as to encircle said male taper portion (15) and having at least one threaded ridge (23) formed on the inner circumferential surface thereof, which medical instrument is characterized by having formed on the outer periphery of said female connector member (11) at least one threaded groove (21) capable of being helically fitted on said threaded ridge (23) of said ring member (17) and having formed at a desired position in said threaded groove (21) a rib (22) adapted to engage with said threaded ridge (23) when said threaded groove (21) is being helically fitted on said threaded ridge (23). The first medical instrument member (XI is, for example, a three-way faucet, and the second medical instrument member (Y) is, for example, an artificial organ such as a Ruer port connector and an artificial lung, catheters, blood circuits for the artificial organs.
Inventors
- 👤 Michio Kanno
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 20:06
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/344; A61M39/00; A61M39/10; A61M39/1033; A61M5/347; Y; Y10; Y10S; Y10S604/00; Y10S604/905
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
131 words
A medical instrument, comprising a female connector member incorporating a female taper portion capable of being joined to a medical instrument member having a male connector member incorporating a male taper portion and a ring member provided to said male connector member so as to encircle said male taper portion and having at least one threaded ridge formed on the inner circumferential surface thereof, which medical instrument is characterized by having formed on the outer periphery of said female connector member at least one threaded groove capable of being helically fitted on said threaded ridge of said ring member and having formed at a desired position in said threaded groove a rib adapted to engage with said threaded ridge when said threaded groove is being helically fitted on said threaded ridge.
Claim 2
Dependent Claim
131 words
A medical instrument, comprising a female connector member incorporating a female taper portion capable of being joined to a medical instrument member having a male connector member incorporating a male taper portion and a ring member provided to said male connector member so as to encircle said male taper portion and having at least one threaded ridge formed on the inner circumferential surface thereof, which medical instrument is characterized by having formed on the outer periphery of said female connector member at least one threaded groove capable of being helically fitted on said threaded ridge of said ring member and having formed at a desired position in said threaded groove a rib adapted to engage with said threaded ridge when said threaded groove is being helically fitted on said threaded ridge.
Claim 3
Dependent Claim
34 words
A medical instrument according to Claim 1, wherein said rib in said threaded groove is deformed on helical engagement thereof with said threaded ridge and is consequently brought into engagement with said threaded ridge.
Claim 4
Dependent Claim
23 words
A medical instrument according to claim 1, wherein said female taper portion and said male taper portion are provided with Luer taper surfaces.
Claim 5
Dependent Claim
19 words
A medical instrument according to Claim 1, wherein said threaded groove has part thereof missing in the circumferential direction.
Claim 6
Dependent Claim
24 words
A medical instrument according to Claim 1, wherein said rib is formed of a material softer than the material of said opposed threaded ridge.
Claim 7
Dependent Claim
21 words
A medical instrument according to Claim 1, wherein said rib has a thickness in the range of 0.15 to 1.50' mm.
Claim 8
Dependent Claim
25 words
A medical instrument according to Claim 1, wherein the rib is provided at a position aparted little from a starting end in the threaded groove.
Claim 9
Dependent Claim
17 words
A medical instrument according to Claim 1, wherein the ring member is a rotary ring rotatably attached.
Claim 10
Dependent Claim
16 words
A medical instrument according to Claim 1, wherein the medical instrument member is a three-way faucet.
Claim 11
Dependent Claim
19 words
A medical instrument according to Claim 1, wherein the medical instrument is a connector having a blood collecting port.
Claim 12
Dependent Claim
20 words
A medical instrument according to Claim 1, wherein the medical instrument is an artificial organ having a blood collecting port.
Claim 13
Dependent Claim
154 words
A medical instrument, comprising a first medical instrument member having a male connector member incorporating a male taper portion and a ring member provided to said male connector member so as to encircle said male taper portion and having at least one threaded ridge formed on the inner circumferential surface thereof and a second medical instrument member having a female connector member incorprating a female taper portion capable of being joined to said first medical instrument member, which medical instrument is characterized by having formed on the outer periphery of said female connector member at least one threaded groove capable of being helically fitted on said threaded ridge of said ring member and having formed at a desired position in said threaded groove or a threaded groove of the first medical instrument member a rib adapted to engage with said threaded ridge when said threaded groove is being helically fitted on said threaded ridge.
Claim 14
Dependent Claim
154 words
A medical instrument, comprising a first medical instrument member having a male connector member incorporating a male taper portion and a ring member provided to said male connector member so as to encircle said male taper portion and having at least one threaded ridge formed on the inner circumferential surface thereof and a second medical instrument member having a female connector member incorprating a female taper portion capable of being joined to said first medical instrument member, which medical instrument is characterized by having formed on the outer periphery of said female connector member at least one threaded groove capable of being helically fitted on said threaded ridge of said ring member and having formed at a desired position in said threaded groove or a threaded groove of the first medical instrument member a rib adapted to engage with said threaded ridge when said threaded groove is being helically fitted on said threaded ridge.
Claim 15
Dependent Claim
34 words
A medical instrument according to Claim 12, wherein said rib in said threaded groove is deformed on helical engagement thereof with said threaded ridge and is consequently brought into engagement with said threaded ridge.
Claim 16
Dependent Claim
23 words
A medical instrument according to claim 12, wherein said female taper portion and said male taper portion are provided with Luer taper surfaces.
Claim 17
Dependent Claim
19 words
A medical instrument according to Claim 12, wherein said threaded groove has part thereof missing in the circumferential direction.
Claim 18
Dependent Claim
24 words
A medical instrument according to Claim 12, wherein said rib is formed of a material softer than the material of said opposed threaded ridge.
Claim 19
Dependent Claim
21 words
A medical instrument according to Claim 12, wherein said rib has a thickness in the range of 0.15 to 1.50 mm.
Claim 20
Dependent Claim
26 words
A medical instrument according to Claim 12, wherein the rib is provided at a position aparted a lettle from a starting end in the threaded groove.
Claim 21
Dependent Claim
17 words
A medical instrument according to Claim 12, wherein the ring member is a rotary ring rotably attached.
Claim 22
Dependent Claim
16 words
A medical instrument according to Claim 12, wherein the first medical instrument is a three-way faucet.
Claim 23
Dependent Claim
19 words
A medical instrument according to Claim 12, wherein the medical insturment is a connector having a blood collecting port.
Claim 24
Dependent Claim
20 words
A medical instrument according to Claim 12, wherein the medical instrument is an artificial organ having a blood collecting port.
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