CA1150588A - Shunt valve - Google Patents
Shunt valveInfo
- Publication number
- CA1150588A CA1150588A CA000343414A CA343414A CA1150588A CA 1150588 A CA1150588 A CA 1150588A CA 000343414 A CA000343414 A CA 000343414A CA 343414 A CA343414 A CA 343414A CA 1150588 A CA1150588 A CA 1150588A
- Authority
- CA
- Canada
- Prior art keywords
- valve
- spring
- flat plate
- ball
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 210000001175 cerebrospinal fluid Anatomy 0.000 claims abstract description 10
- 238000000638 solvent extraction Methods 0.000 claims abstract description 5
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000002861 ventricular Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 208000003906 hydrocephalus Diseases 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000010998 test method Methods 0.000 abstract description 3
- 238000013022 venting Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 210000004289 cerebral ventricle Anatomy 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000002490 cerebral effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 101100310856 Drosophila melanogaster spri gene Proteins 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 241001237728 Precis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
- F16K15/046—Check valves with guided rigid valve members shaped as balls spring-loaded by a spring other than a helicoidal spring
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- Otolaryngology (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Check Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US235479A | 1979-01-10 | 1979-01-10 | |
| US002,354 | 1979-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1150588A true CA1150588A (en) | 1983-07-26 |
Family
ID=21700391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000343414A Expired CA1150588A (en) | 1979-01-10 | 1980-01-10 | Shunt valve |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS55113457A (enrdf_load_stackoverflow) |
| CA (1) | CA1150588A (enrdf_load_stackoverflow) |
| DE (1) | DE2951025A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2446112A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2042685B (enrdf_load_stackoverflow) |
| NL (1) | NL8000019A (enrdf_load_stackoverflow) |
| SE (1) | SE8000178L (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5755149A (en) * | 1980-09-19 | 1982-04-01 | Denbua Saajikaru Deibuerotsupu | Distributor of abdominal dropsy used in inserting body of patient and automatic washing one directional value |
| CA1248425A (en) * | 1983-02-17 | 1989-01-10 | Michael D. Hooven | Intercranial pressure regulator valve |
| US4568337A (en) * | 1984-04-17 | 1986-02-04 | Richards Medical Company | Ventilation tube permitting two-way gaseous communication with one-way liquid valve |
| JPH0410387Y2 (enrdf_load_stackoverflow) * | 1985-07-04 | 1992-03-13 | ||
| GB2181951A (en) * | 1985-10-29 | 1987-05-07 | Seton Prod Ltd | Drainage bag arrangements |
| FR2650872B1 (fr) * | 1989-08-09 | 1991-10-25 | Gradel Pierre | Structure de clapet antiretour et regulateur pour introduction d'un gaz dans un liquide, et son procede de realisation |
| US5192265A (en) * | 1990-12-10 | 1993-03-09 | Hsc Research & Development Limited Partnership | Adjustable-resistance anti-siphon device |
| DE19811148A1 (de) * | 1998-03-14 | 1999-09-16 | Itt Mfg Enterprises Inc | Rückschlagventil |
| JP4538665B2 (ja) * | 2004-03-27 | 2010-09-08 | クリストフ ミートケ ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | 調整式水頭症バルブ |
| EP2967381B1 (en) * | 2013-03-15 | 2018-12-12 | Carlos A. Hakim | Shunt valve assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288142A (en) * | 1964-04-27 | 1966-11-29 | Hakim Salomon | Hydrocephalus shunt with spring biased one-way valves |
| US3527226A (en) * | 1966-02-03 | 1970-09-08 | Cordis Corp | Ventricular catheter with valve and pump flushing means |
| US3886948A (en) * | 1972-08-14 | 1975-06-03 | Hakim Co Ltd | Ventricular shunt having a variable pressure valve |
| US4106510A (en) * | 1976-11-26 | 1978-08-15 | Hakim Company Limited | Servo valve |
-
1979
- 1979-12-19 DE DE19792951025 patent/DE2951025A1/de not_active Withdrawn
-
1980
- 1980-01-03 NL NL8000019A patent/NL8000019A/nl not_active Application Discontinuation
- 1980-01-03 GB GB8000217A patent/GB2042685B/en not_active Expired
- 1980-01-09 JP JP60180A patent/JPS55113457A/ja active Pending
- 1980-01-09 FR FR8000409A patent/FR2446112A1/fr active Granted
- 1980-01-09 SE SE8000178A patent/SE8000178L/ not_active Application Discontinuation
- 1980-01-10 CA CA000343414A patent/CA1150588A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2042685A (en) | 1980-09-24 |
| JPS55113457A (en) | 1980-09-02 |
| FR2446112A1 (fr) | 1980-08-08 |
| NL8000019A (nl) | 1980-07-14 |
| DE2951025A1 (de) | 1980-07-24 |
| FR2446112B1 (enrdf_load_stackoverflow) | 1983-11-25 |
| GB2042685B (en) | 1983-04-13 |
| SE8000178L (sv) | 1980-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |