CN107854772A - A kind of adjustable pressure differential valve of surgery - Google Patents
A kind of adjustable pressure differential valve of surgery Download PDFInfo
- Publication number
- CN107854772A CN107854772A CN201710263985.0A CN201710263985A CN107854772A CN 107854772 A CN107854772 A CN 107854772A CN 201710263985 A CN201710263985 A CN 201710263985A CN 107854772 A CN107854772 A CN 107854772A
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- Prior art keywords
- pressure
- rotating disk
- pressure regulation
- magnet
- affixed
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Classifications
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- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
Abstract
The present invention provides a kind of surgery cerebrospinal fluid shunt solution, is a kind of adjustable pressure differential valve, is mainly used in the cerebrospinal fluid shunt of the diseases such as neurosurgery hydrocephalus, spinal cord empty, it is characterized in that there is pressure adjustable, the functions such as diamagnetic field, anti-reflux, anti-siphon.
Description
Technical field
The present invention relates to a kind of surgery with can adjust pressure differential valve, the shunting of neurosurgery cerebrospinal fluid is mainly used in, being belonged to
In surgical medical equipment field.
Background technology
Hydrocephalus and spinal cord empty are neurosurgery common diseases, are due to the not smooth caused a kind of disease of cerebrospinal fluid circulation
Disease, cerebrospinal fluid circulation are a parts for normal person's physiological circulation, and cerebrospinal fluid is produced by the choroid plexus of telocoele, entered by side opening
Enter three ventricles of the brain, Fourth ventricule, and myelocoele entered by mesotube, after flow through Fourth ventricule medium pore and side opening enters brain table
Face cavum subarachnoidale, the absorbed into serum at arachnoid villi, into the blood circulation of human body, the daily cerebrospinal fluid secretion of normal person
Amount is about 350-500ml, and the cerebrospinal fluid amount of normal ventricular system is about 150-300ml, therefore is inhaled when the secretory volume of cerebrospinal fluid is more than
Just occur that the ventricles of the brain are progressively expanded, and then develop into hydrocephalus during receipts amount.Hydrocephalus can be divided into communicating brain according to type and accumulate
Water, i.e., do not cause freely because cerebrospinal fluid absorbs；Internal hydrocephaly, i.e., there is the position of obstruction in cerebrospinal fluid circulation path, than
Such as：Oncothlipsis etc..It can be divided into children with congenital hydrocephalus, and secondary hydrocephalus, Secondary cases brain according to pathogenic factor
Ponding includes the hydrocephalus caused by factor such as craniocerebral trauma, subarachnoid hemorrhage, encephalitis, neurosurgery be postoperative.According to cranium
The height of interior pressure can be divided into hypertensive hydrocephalus and normal pressure hydrocephalus.
Hydrocephalus preferred ventriculo-peritoneal shunt in the treatment, the ventricles of the brain-atrium shunting, the ventricles of the brain-mistake shape can also be selected in addition
Sinus shunts, and therapeutic modality, the shunt operation such as the ventricles of the brain-bladder shunting need to apply isocon, and isocon is divided into constant pressure shunting at present
Pipe, i.e., can not carry out pressure controlled isocon, and pressure adjustable type isocon, you can set to adjust isocon as needed
The pressure put.Due to the particularity of ventricular system, and the continually changing feature of pressure, therefore pressure-adjustable isocon more meets physiology
Feature, also it is more suitable for neurosurgery needs.
At present, the pressure adjustable type isocon clinically applied is essentially from Johnson ＆ Johnson of the U.S., U.S.'s Medtronic, the German bright snake of shellfish
Board, the product of French Sophysa Inc., the pressure-adjustable principle of each producer's isocon is different, such as：Johnson Co.
The wireless servo motor principle used, Medtronic Inc. of the U.S. use compression spring principle, the German bright snake board of shellfish and French Suo Fei
Sa Caiyong pressure shell fragments etc..The isocon product of the domestic and international market in the field is all from above-mentioned four company.In the present invention,
Inventor employs brand-new voltage regulating mode, i.e. pressure regulation shell fragment lever principle, and pressure lock mode, that is, presses off-centre operation solution
The principle of lock, it can be good at realizing pressure adjustable, and the effect of diamagnetic field, the present apparatus can be allowed under magnetic field, as magnetic is total to
Pressure is constant in the presence of shaking.Meanwhile the present invention is provided simultaneously with one-directional fluid flow, the work(of anti-backflow function and anti-siphon
Energy.
The content of the invention
It is an object of the invention to provide a kind of adjustable pressure differential valve of new cerebrospinal fluid shunt, it has pressure can
Adjust, diamagnetic field, anti-reflux, the function such as anti-siphon.
A kind of adjustable pressure differential valve of surgery, it includes：
Pressure regulating part point, including：
Pressure regulation ruby ball, pressure regulation shell fragment, pressure regulation magnetite, rotating disk, locking teeth, curved surface spring, sliding block.
Housing part, including：
With reference to magnet, engaging tooth, being unlocked by pressing switch, center pillar.
Anti-siphon part, including can be with the pressing plate of folding.
Liquid communication part, including：
Entrance, outlet, and through the cavity inside described device.
Anti-reflux part, including：
Non-return ruby ball, spring, flow into end, outflow end.
Closure entrance below the pressure regulation ruby ball of described device, top is affixed with pressure regulation shell fragment.
The pressure regulation shell fragment of described device is by upper diagonal downward through in pressure regulating part point, its top and the slope shape of rotating disk
Bottom is affixed.By rotating disk clockwise or counterclockwise, its slope shape bottom surface is different to pressure caused by pressure regulation shell fragment, i.e. slope
Degree is bigger, and caused pressure is bigger, then different to the pressure of pressure regulation shell fragment, so as to produce to the pressure of pressure regulation ruby ball not
Together.When the pressure of porch fluid is more than pressure regulation shell fragment, and the pressure of pressure regulation ruby ball is acted on, fluid can wash pressure regulation open
Ruby ball enters cavity.
The pressure regulation magnetic potential of described device is symmetric inside rotating disk, is respectively made up of one piece of magnet, and can be with rotating disk one
Play rotation.
The sliding block of described device is located at rotating disk center of inside, and can be slid laterally in rotating disk, is engraved among it for a circle
Empty part, hollow-out parts are an inclined-plane, are affixed with center pillar, and the rear of locking teeth is connected bullet of the side in curved surface spring with curved surface spring
Under power effect, it is bonded by locking teeth with engaging tooth.
The center pillar of described device is located at below casing, is connected with being unlocked by pressing switch, and for cylinder in cylinder, tip is in diagonal
Circular cone sample, it is relative with the rotating disk round dot of lower section, and be affixed with sliding block circle openwork part.When being unlocked by pressing is switched by from outer
In the presence of square pressure, center pillar internally produces displacement, and under the ramp effect of the inclined-plane of center pillar and circular hollow-out parts, sliding block exists
Moved on rotating disk, so as to which locking teeth separates with engaging tooth.
The engaging tooth of described device is located at casing internal, and inner side is bonded with the locking teeth of sliding block.
The reference magnet of described device is located at casing internal, is made up of one piece of magnet, for read pressure set numerical value and
Reference point during pressure regulation.
The anti-siphon upper of described device connects with pressure regulating part split-phase, and lower section connection outlet, inside has one can open
The pressing plate cover outlet of conjunction.Pressing plate is open under the pressure effect from fluid, when the efferent tract of described device is outside negative pressure shape
During state, due to siphonage, pressing plate is closed, so as to prevent fluid is excessive, too fast outflow.
The anti-reflux part of described device flows into end and is distally connected with outlet, and lower section is outflow end, has the red treasured of non-return in it
Stone ball and spring.At anti-reflux part of the fluid by described device, non-return ruby ball situation is acted in Fluid pressure
Under, spring is compressed, so as to which fluid flows through anti-part of backflowing.When fluid inversely enters anti-reflux part, due to the red treasured of non-return
The effect of stone ball and spring, ensure that the sealing-in all the time of non-return ruby ball is flowing into end, play a part of anti-reflux.
Preferably, pressure of the described device under regulator effect adjusts process：Regulator act on casing by
Pressure solution lock-switch, makes it be acted on by the pressure from regulator, center pillar internally produces displacement, in the inclined-plane of center pillar and cunning
Under the ramp effect of block circle hollow-out parts, sliding block is moved on rotating disk, and curved surface spring is compressed, so as to locking teeth and engaging tooth point
From, the magnetite " N-S " of pressure regulation magnetite and regulator is attracting, clockwise or counterclockwise regulator, pressure regulation magnetite with
Regulator rotates, and then drives rotating disk clockwise or counterclockwise, and the slope shape bottom surface of rotating disk produces phase to pressure regulation shell fragment
The pressure size change answered, the pressure for being ultimately applied to pressure regulation ruby ball produce corresponding size variation.Discharge regulator
The pressure of being unlocked by pressing switch is acted on, sliding block is under the elastic force effect of curved surface spring, and locking teeth is bonded again with engaging tooth, i.e.,
For the pressure of setting.
Described regulator is a kind of pressure regulator that can act on apparatus of the present invention, and it can be filled to the present invention
Put being unlocked by pressing switch and produce pressure effect, while the magnetite of its bottom can attract each other with the pressure regulation magnetic of apparatus of the present invention,
Then the rotation of rotating disk can be driven.
Described device is under magnetic fields, such as under magnetic resonance, anti-magnetic field process：Under magnetic fields, in the dress
The a direction put can produce an extra magneticaction, and because the moving part of described device is rotating disk, and it can only do
Clockwise or counterclockwise, it is impossible to move up and down, under locking teeth and the effect of the snap-lock of engaging tooth, rotating disk can not do suitable
Hour hands or rotate counterclockwise, it is immovable under the magneticaction of extraneous either direction, therefore not by extraneous magnetic after pressure setting
The influence of field.
The process fluid flow of described device：After fluid enters from the porch of described device, pressure regulation ruby is acted on
On ball, when Fluid pressure is more than the pressure that described device is set, fluid can wash pressure regulation ruby ball open, and rear fluid navigates within tune
Inside laminate section, anti-siphon part, and anti-reflux part are flowed through, flows out apparatus of the present invention.
Purposes of the described device in the medicine equipment for preparing the diseases such as treatment hydrocephalus, spinal cord empty.It can root
According to the different situations of intracranial pressure, dynamic adjustment sets pressure, to adapt to the demand of clinical treatment.
In this application, if be not particularly described, the position relationship of each component is to be based on position shown in the drawings
Relation, used device, instrument, component, size and other conditions etc. is put all to be well-known in the art, or ability
Field technique personnel combine what prior art can be realized according to the description of application.
The description as described in term in the present invention, if with the difference of the description before this area, should be with retouching in the application
State and be defined.
Brief description of the drawings
Fig. 1 is the front cross-sectional view of apparatus of the present invention；
Fig. 2 is the side cut away view of apparatus of the present invention；
Fig. 3 is the schematic diagram of the anti-reflux part of apparatus of the present invention；
Fig. 4 regulator schematic diagrames；
Label title in figure：(1) entrance；(2) pressure regulation ruby ball；(3) pressure regulation shell fragment；(4) with reference to magnet；(5) pressure regulation
Magnetite；(6) rotating disk；(7) tooth is tightly locked；(8) sliding block；(9) curved surface spring；(10) engaging tooth；(11) export；(12) being unlocked by pressing is opened
Close；(13) center pillar；(14) pressing plate；(15) end is flowed into；(16) non-return ruby ball；(17) spring；(18) outflow end；(19) machine
Shell；(20) regulator.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings
Embodiment 1：For a preferable implementation process of apparatus of the present invention.
Pressure of the described device under regulator effect adjusts process：As shown in accompanying drawing 1-4, regulator (20) effect
(12) are switched in the being unlocked by pressing of casing (19), it is acted on by the pressure from regulator (20), center pillar (13) is inside
Portion produces displacement, and under the ramp effect of the inclined-plane of center pillar (13) and sliding block (8) circular hollow-out parts, sliding block (8) is on rotating disk (6)
Mobile, curved surface spring (9) is compressed, so as to which locking teeth (7) separates with engaging tooth (10), pressure regulation magnetite (5) and regulator
Magnetite " N-S " is attracting, clockwise or counterclockwise regulator (20), and pressure regulation magnetite (5) rotates with regulator (20),
Then rotating disk (6) is driven clockwise or counterclockwise, the slope shape bottom surface of rotating disk (6) produces accordingly to pressure regulation shell fragment (3)
Pressure size changes, and the pressure for being ultimately applied to pressure regulation ruby ball (2) produces corresponding size variation.Discharge regulator
(20) to being unlocked by pressing switch (12) pressure act on, sliding block (8) curved surface spring (9) elastic force effect under, locking teeth (7) with
Engaging tooth (10) is bonded again, the pressure as set.
Embodiment 2：
The process fluid flow of described device：As illustrated in the accompanying drawings from 1 to 3, after fluid enters from the entrance (1) of described device,
Act on pressure regulation ruby ball (2), when Fluid pressure is more than the pressure that described device is set, fluid can wash the red treasured of pressure regulation open
Stone ball (2), rear fluid navigate within pressure regulation partial interior, flow through anti-siphon part, and anti-reflux part, flow out present invention dress
Put.
Embodiment 3：
The anti-reflux process of described device：As shown in Figure 3, at anti-reflux part of the fluid by described device,
Fluid pressure is acted in the case of non-return ruby ball (16), and spring (17) is compressed, so as to which fluid flows through anti-part of backflowing.When
When fluid inversely enters anti-reflux part, due to the effect of non-return ruby ball (16) and spring (17), ensure non-return ruby
Ball (16) sealing-in all the time is flowing into end (15), plays a part of anti-reflux.
Embodiment 4：
The anti-siphon process of described device：As shown in Figure 2, when fluid flows through the anti-siphon part of described device, pressing plate
By the lower opening of pressure (14) effect from fluid, rear fluid is flowed out by outlet (11) place of described device, when the dress
When the outlet (11) put is negative pressure state outside, due to siphonage, pressing plate (14) is closed, so as to prevent that fluid is excessive, too fast
Outflow.
Embodiment 5：
The pressure of described device sets locking process：As shown in Figure 1, under magnetic fields, in a certain of described device
Direction can produce an extra magneticaction, and because the moving part of described device is rotating disk (6), and it can only do clockwise
Or rotate counterclockwise, it is impossible to move up and down, under locking teeth (7) and the effect of the snap-lock of engaging tooth (10), rotating disk (6) can not
Do clockwise or counterclockwise, it is immovable under the magneticaction of extraneous either direction, therefore not by outer after pressure setting
The influence in boundary magnetic field.
The purpose of embodiment as described above is to be further described the embodiment of the present invention, not
The present invention is imposed any restrictions, every any simple modification, change and equivalent structure substantially made according to the technology of the present invention becomes
Change, be still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of adjustable pressure differential valve of surgery, it includes：
(1) pressure regulating part point, including：
Pressure regulation ruby ball, pressure regulation shell fragment, pressure regulation magnetite, rotating disk, locking teeth, curved surface spring, sliding block.
(2) housing part, including：
With reference to magnet, engaging tooth, being unlocked by pressing switch, center pillar.
(3) anti-siphon part, including can be with the pressing plate of folding.
(4) liquid communication part, including：
Entrance, outlet, and through above-mentioned (1), (2), the cavity of (3) 3 parts.
(5) anti-reflux part, including：
Non-return ruby ball, spring, flow into end, outflow end.
2. device according to claim 1, it is characterized in that：Closure entrance below pressure regulation ruby ball, top and pressure regulation bullet
Piece is affixed；Pressure regulation shell fragment is affixed by upper diagonal downward through in pressure regulating part point, its top and the slope shape bottom of rotating disk.
3. according to the device any one of claim 1-2, it is characterized in that：Pressure regulation magnetic potential is inside rotating disk, in symmetrical point
Cloth, respectively it is made up of, and can be rotated together with rotating disk one piece of magnet.
4. according to the device any one of claim 1-3, it is characterized in that：Sliding block is located at rotating disk center of inside, and can be
Slid laterally in rotating disk, be among it a circular openwork part, hollow-out parts are an inclined-plane, are affixed with center pillar, side passes through locking
Tooth is bonded with engaging tooth, and locking teeth rear is connected with curved surface spring.
5. according to the device any one of claim 1-4, it is characterized in that：Center pillar is located at below casing, with being unlocked by pressing
Switch be connected, cylinder in cylinder, tip is in diagonal circular cone sample, relative with the rotating disk round dot of lower section, and with sliding block circle hollow out
Part is affixed.
6. according to the device any one of claim 1-5, it is characterized in that：Engaging tooth is located at casing internal, inner side and cunning
The locking teeth fitting of block.
7. device according to claim 1, it is characterized in that：It is located at casing internal with reference to magnet, is made up of one piece of magnet.
8. according to the device any one of claim 1-7, it is characterized in that：Anti-siphon upper and pressure regulating part point
It is connected, there is a retractable pressing plate cover outlet lower section connection outlet, inside.
9. according to the device any one of claim 1-8, it is characterized in that：Anti-reflux part flows into end with exporting distal end phase
Even, lower section is outflow end, has non-return ruby ball and spring in it.
10. according to the device described in claim 1-9 in the medicine equipment for preparing the diseases such as treatment hydrocephalus, spinal cord empty
Purposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263985.0A CN107854772B (en) | 2017-04-21 | 2017-04-21 | Surgical adjustable differential pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710263985.0A CN107854772B (en) | 2017-04-21 | 2017-04-21 | Surgical adjustable differential pressure valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107854772A true CN107854772A (en) | 2018-03-30 |
| CN107854772B CN107854772B (en) | 2023-05-05 |
Family
ID=61699088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710263985.0A Active CN107854772B (en) | 2017-04-21 | 2017-04-21 | Surgical adjustable differential pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107854772B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051920A (en) * | 2019-05-10 | 2019-07-26 | 李宽正 | Feedback regulation formula ventriculo-peritoneal shunt valve system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4595390A (en) * | 1983-07-21 | 1986-06-17 | Salomon Hakim | Magnetically-adjustable cerebrospinal fluid shunt valve |
| CN1150346A (en) * | 1995-08-09 | 1997-05-21 | 住友电装株式会社 | Connector device having spring mechanism |
| JPH1151238A (en) * | 1997-07-30 | 1999-02-26 | Mitsubishi Electric Corp | Flow rate control valve |
| US20020045847A1 (en) * | 2000-09-11 | 2002-04-18 | Borgesen Svend Erik | Fluid shunt system and a method for the treatment of hydrocephalus |
| CN1375047A (en) * | 1999-09-16 | 2002-10-16 | Vgm澳大利亚股份有限公司 | Liquid flow control valve |
| US20070093741A1 (en) * | 2004-03-27 | 2007-04-26 | Christoph Miethke | Adjustable hydrocephalus valve |
| CN101813112A (en) * | 2010-05-10 | 2010-08-25 | 沈盘根 | Telescopic tube |
| US20120046595A1 (en) * | 2010-08-17 | 2012-02-23 | Codman & Shurtleff, Inc. | Implantable adjustable valve |
| DE102005013720A1 (en) * | 2005-03-22 | 2012-08-02 | Christoph Miethke Gmbh & Co Kg | Adjustable hydrocephalus valve for pressure equalization of liquor in skull of patient of hydrocephalus, and for use in adjusting system, is implanted to patient via hose line |
| CN204822508U (en) * | 2015-07-14 | 2015-12-02 | 徐江勇 | Structure is opened to a bowl cover suction nozzle key formula |
-
2017
- 2017-04-21 CN CN201710263985.0A patent/CN107854772B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4595390A (en) * | 1983-07-21 | 1986-06-17 | Salomon Hakim | Magnetically-adjustable cerebrospinal fluid shunt valve |
| CN1150346A (en) * | 1995-08-09 | 1997-05-21 | 住友电装株式会社 | Connector device having spring mechanism |
| JPH1151238A (en) * | 1997-07-30 | 1999-02-26 | Mitsubishi Electric Corp | Flow rate control valve |
| CN1375047A (en) * | 1999-09-16 | 2002-10-16 | Vgm澳大利亚股份有限公司 | Liquid flow control valve |
| US20020045847A1 (en) * | 2000-09-11 | 2002-04-18 | Borgesen Svend Erik | Fluid shunt system and a method for the treatment of hydrocephalus |
| US20070093741A1 (en) * | 2004-03-27 | 2007-04-26 | Christoph Miethke | Adjustable hydrocephalus valve |
| DE102005013720A1 (en) * | 2005-03-22 | 2012-08-02 | Christoph Miethke Gmbh & Co Kg | Adjustable hydrocephalus valve for pressure equalization of liquor in skull of patient of hydrocephalus, and for use in adjusting system, is implanted to patient via hose line |
| CN101813112A (en) * | 2010-05-10 | 2010-08-25 | 沈盘根 | Telescopic tube |
| US20120046595A1 (en) * | 2010-08-17 | 2012-02-23 | Codman & Shurtleff, Inc. | Implantable adjustable valve |
| CN204822508U (en) * | 2015-07-14 | 2015-12-02 | 徐江勇 | Structure is opened to a bowl cover suction nozzle key formula |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051920A (en) * | 2019-05-10 | 2019-07-26 | 李宽正 | Feedback regulation formula ventriculo-peritoneal shunt valve system |
| CN110051920B (en) * | 2019-05-10 | 2021-04-16 | 李宽正 | Feedback regulation type ventricle-abdominal cavity shunt valve system |
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| CN107854772B (en) | 2023-05-05 |
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