CN203379482U - Hydrocephalus flow divider valve - Google Patents
Hydrocephalus flow divider valve Download PDFInfo
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- CN203379482U CN203379482U CN201320457526.3U CN201320457526U CN203379482U CN 203379482 U CN203379482 U CN 203379482U CN 201320457526 U CN201320457526 U CN 201320457526U CN 203379482 U CN203379482 U CN 203379482U
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- hydrops
- spheroid
- valve
- flow divider
- valve structure
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Abstract
The utility model discloses a hydrocephalus flow divider valve which comprises a cylindrical valve body with the inside sealed, a hydrops leading in channel and a hydrops leading out channel, wherein the hydrops leading in channel and the hydrops leading out channel are communicated with the inside space of the valve body respectively. The hydrops leading in channel and the hydrops leading out channel both extend out of the two end portions of the valve body. The hydrocephalus flow divider valve is characterized in that a conical ball valve structure and a gravity ball valve structure are further included, and the conical ball valve structure and the gravity ball valve structure are accommodated in the valve body; the conical ball valve structure is close to the hydrops leading in channel, and comprises a first ball body, a spring and a plug body; the gravity ball valve structure is close to the hydrops leading out channel, and comprises a second ball body, a third ball body and a valve element; the hydrocephalus flow divider valve can avoid the siphon phenomenon, and enable pressure in the ventricle of a patient to be in a normal state.
Description
Technical field
This utility model relates to a kind of part flow arrangement, relates in particular to a kind of hydrocephalic flow divider that is used for the treatment of.
Background technology
Due to the circulatory disturbance of cerebrospinal fluid, cause the too much retention of cerebrospinal fluid in the ventricles of the brain or subarachnoid space, cause the ventricles of the brain to enlarge, the corresponding minimizing of brain essence, be called hydrocephalus, often has clinically intracranial pressure to raise.Cause hydrocephalic reason that three aspects are arranged.The one,, not cerebrospinal fluid circulation path not smooth; The 2nd,, the malabsorption of cerebrospinal fluid; The 3rd,, cerebrospinal fluid produces too much.The hydrocephalus no matter which kind of reason causes, all treatment in time.Hydrocephalic treatment should be take operation as main.Operation can be divided into etiological treatment, reduce that cerebrospinal fluid generates and three kinds of by-pass operation of cerebrospinal fluid, and wherein by-pass operation of cerebrospinal fluid is topmost operation method.Many hydrocephalics' pathological lesion is the kinetics resistance increment flowed out due to cerebrospinal fluid, make the Intraventricular pressure anomaly and cause, the implantable shunt device is exactly that the path of a lower resistance is provided for the outflow of cerebrospinal fluid, guarantees that Intraventricular pressure is in normal physiological range.Therefore here pressure is a very important concept, barometric gradient drives cerebrospinal fluid to flow in the ventriculo-peritoneal shunt system and determines aspect following: △ P=IVP+pgh-OPV-DCP, IVP represents Intraventricular pressure, pgh represents fluid pressure (vertical height of the permanent number of density * gravity * isocon near-end and distal tip), OPV represents the opening pressure of valve, and DCP represents the pressure of far-end tube chamber.Part flow arrangement mainly comprises the ventricles of the brain end pipe of a near-end, an one-way cock, and insert three ingredients of abdominal cavity system distal tube.When the Intraventricular pressure anomaly increases, valve will be opened, and unnecessary cerebrospinal fluid is discharged to abdominal cavity or other position, to guarantee the stable of Intraventricular pressure.But just siphonage can appear when the ventricles of the brain end pipe difference in height occurs with the isocon of inserting far-end.When patient changes to standing place from clinostatism, the pressure differential owing to a fluid pressure occurring, make increasing sharply of a flow rate, and progressively reduce subsequently, until reach a new stability state.Because intracranial does not communicate with atmospheric pressure, liquid will flow and be defeated by fluid pressure until intracranial pressure drops to, with the balance siphon effect.This can cause that low intracranial pressure symptom, bridging vein are torn and cause subdural hematoma, and craniosynostosis or split ventricles of the brain syndrome.Only have when part flow arrangement and can follow according to people's position and automatically adjusted, the opening pressure of part flow arrangement increases with the increase of human body fluid pressure, reduces and reduces, and could fundamentally stop to adopt the siphonage occurred after bypass.
The utility model content
This utility model provides a kind of hydrocephalus flow divider, and the technical problem underlying of its solution is the siphonage that after shunt operation, patient's brain causes due to the variation of position.
The technical scheme that this utility model adopts is: a kind of hydrocephalus flow divider is provided, comprise the cylinder shape valve of enclose inside and the hydrops introduction channel be communicated with the valve inner space respectively and hydrops derivation passage, described hydrops introduction channel and hydrops are derived passage and are all stretched out end, valve body two ends, also comprise taper ball-valve structure and gravitational force ball-valve structure, described taper ball-valve structure and gravitational force ball-valve structure are placed in valve inner; Described taper ball-valve structure arranges near the hydrops introduction channel, comprise the first spheroid, spring and cock body, described the first spheroid is supported the outlet of hydrops introduction channel, and described cock body is fixed in valve inner, one end of described spring is supported the first spheroid, and its other end is supported cock body; Described gravitational force ball-valve structure derives channel setting near hydrops, comprise the second spheroid, the 3rd spheroid and spool, described valve core inside be formed with accommodating the second spheroid and with cavity and the flow-guiding channel of the 3rd spheroid, described the second spheroid is positioned at hydrops derives on the flow-guiding channel of channel connection.
Wherein, the position that described valve inner contacts with the first spheroid is taper seat.
Wherein, described cock body is cone, and its vertex of a cone stretches into spring inner.
Wherein, the diameter of described the second spheroid all is greater than the diameter of the 3rd spheroid.
Wherein, described hydrops introduction channel and hydrops derivation passage stretch out on valve end outer wall partly and are equipped with limiting section.
Wherein, described limiting section is the groove around hydrops introduction channel or all sides of hydrops derivation passage.
Wherein, the material of described the first spheroid and the 3rd spheroid is sapphire, and the material of described the second spheroid is tantalum.
Wherein, the material of described cock body and spool is titanium.
Useful technique effect of the present utility model is: in prior art after patient's cerebral operations, the siphonage caused due to the variation of its position, this utility model provides a kind of hydrocephalus flow divider, comprise the taper ball-valve structure that is placed in valve body import department and the gravitational force ball-valve structure that is placed in the valve outlet place, after this hydrocephalus flow divider is inserted brain, when the patient lies low, the gravitational force ball-valve structure is in normally open, and the taper ball-valve structure can be opened or close according to the hydrops pressure size of brain, keep the ICV pressure of patient to keep balance; When the patient stands, the taper ball-valve structure is in normally open, and gravitational force ball-valve section can open or close according to the size of the hydrops pressure in brain, so that the ICV pressure of patient keeps balance.By the taper ball-valve structure that is placed in valve body import department and the gravitational force ball-valve structure that is placed in the valve outlet place, can solve the siphonage that corrective surgery causes due to the variation of position.
The accompanying drawing explanation
Fig. 1 is the structural representation of this utility model hydrocephalus flow divider;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of this utility model hydrocephalus flow divider;
Fig. 3 is the schematic diagram of this utility model hydrocephalus flow divider patients with implantation brain;
Fig. 4 A and Fig. 4 B are the working state schematic representations of hydrocephalus flow divider when in Fig. 3, the patient lies low;
Fig. 5 A and Fig. 5 B are the working state schematic representations of hydrocephalus flow divider when in Fig. 3, the patient stands.
Label declaration:
1-taper ball-valve structure, 11-the first spheroid, 12-spring, 13-cock body; 2-gravitational force ball-valve structure, 21-the second spheroid, 22-the 3rd spheroid, 23-spool; The 3-valve body; 4-hydrops introduction channel, the 41-limiting section; 5-hydrops is derived passage, 51-limiting section.
The specific embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1 and Fig. 2, present embodiment provides a kind of hydrocephalus flow divider, comprise the cylinder shape valve 3 of enclose inside and the hydrops introduction channel 4 be communicated with valve body 3 inner spaces respectively and hydrops derivation passage 5, described hydrops introduction channel 4 and hydrops are derived passage 5 and are all stretched out valve body 3 ends, two ends.Above-mentioned hydrocephalus flow divider also comprises taper ball-valve structure 1 and gravitational force ball-valve structure 2, and described taper ball-valve structure 1 and gravitational force ball-valve structure 2 are placed in valve body 3 inside, and is distributed in the end positions of valve body 3 inside.
Described taper ball-valve structure 1 arranges near hydrops introduction channel 4, comprise the first spheroid 11, spring 12 and cock body 13, described the first spheroid 11 is supported 4 outlets of hydrops introduction channel, described cock body 13 is fixed in valve body 3 inside, one end of described spring 12 is supported the first spheroid 11, and its other end is supported cock body 13.The hydrocephalus flow divider is when level, the gravity pressure of the second spheroid in the gravitational force ball-valve structure is on valve interior wall, can not offer normal pressure to the 3rd spheroid, flow-guiding channel is communicated with hydrops, be that the gravitational force ball-valve structure is in normally open, and can open or close according to the hydrops pressure size of brain in the taper ball-valve structure, concrete, when Intraventricular pressure during in normal level, spring in the taper ball-valve structure is supported the outlet of hydrops introduction channel by the first spheroid be in contact with it, and this taper ball-valve structure is in closed condition; When Intraventricular pressure raises while exceeding the extruding force of spring, this pressure is by hydrops introduction channel extruding one spheroid, and opens the taper ball-valve structure, make hydrocephalus derive passage from hydrops and flow out, thereby the pressure that makes ventricles of the brain inside is in normal condition.
Described gravitational force ball-valve structure 2 derives passage 5 near hydrops and arranges, comprise the second spheroid 21, the 3rd spheroid 22 and spool 23, described spool 23 inside be formed with accommodating the second spheroid 21 and with cavity and the flow-guiding channel of the 3rd spheroid 22, described the second spheroid 21 is positioned at hydrops derives on the flow-guiding channel that passage 5 is communicated with.The hydrocephalus flow divider is when vertical state, the first spheroid in the taper ball-valve structure is because the effect that is subject to spontaneous gravity is pressed on spring, the hydrops introduction channel is communicated with the valve inner space, be that the taper ball-valve structure is in normally open, and can open or close according to the hydrops pressure size of brain in the gravitational force ball-valve structure, concrete, when Intraventricular pressure during in normal level, the second spheroid in the gravitational force ball-valve structure is pressed on the 3rd spheroid by the effect of self gravitation, make flow-guiding channel and hydrops derive the passage cut-off, this gravitational force ball-valve structure is in closed condition, when Intraventricular pressure raises while exceeding the second spheroid to the pressure of the 3rd spheroid, hydrops in drainage channel upwards promotes the 3rd spheroid, and unlatching gravitational force ball-valve structure, make flow-guiding channel and communicate from hydrops derivation passage, make hydrocephalus derive passage from hydrops and flow out, thereby the pressure that makes ventricles of the brain inside is in normal condition.
In one embodiment, the inner position contacted with the first spheroid 11 of described valve body 3 is taper seat.The contact surface adaptation of this taper seat and the first spheroid, gap when both contact is little, is convenient to the design to the spring size, and can reduce the leakage problems produced because of both gaps.Described cock body 13 is cone, and its vertex of a cone stretches into spring 12 inside.This cock body structure can avoid spring to be subject to the effect of external force, and makes spring and cock body segregation phenomenon.
In one embodiment, the diameter of described the second spheroid 21 is greater than the diameter of the 3rd spheroid 22.And the quality of the second spheroid is greater than the 3rd spheroid, when the hydrocephalus flow divider, during in vertical state, this second spheroid produces normal pressure to the 3rd spheroid.
In one embodiment, the outer wall that described hydrops introduction channel 4 stretches out valve body 3 end sections is provided with limiting section 41, and the outer wall that described hydrops derivation passage 5 stretches out valve body 3 end sections is provided with limiting section 51, and the limiting section at this two place is fixing for flow divider.Preferably, described limiting section is groove or the groove around hydrops introduction channel 4 or all sides of hydrops derivation passage.
In one embodiment, the material of described the first spheroid 11 and the 3rd spheroid 22 is sapphire, and the material of described the second spheroid 21 is tantalum.And the material of described cock body 13 and spool 23 is titanium.
Consult Fig. 3, the schematic diagram that Fig. 3 is this utility model hydrocephalus flow divider patients with implantation brain.When the patient lies low, flow divider is horizontal, and as shown in Figure 4 A, flow divider is when level body position, and gravitational force ball-valve structure 2 is in opening, and when Intraventricular pressure, during in normal level, the taper ball valve is in closed condition, and drain is blocked.As shown in Figure 4 B, when Intraventricular pressure raises, while exceeding normal range, taper ball-valve structure 1 is opened, and starts drain, makes Intraventricular pressure return normal level.
When the patient transfers upright standing posture to, because fluid pressure pgh increases, cause the barometric gradient in the ventricles of the brain and abdominal cavity to increase, as shown in Figure 5A, now taper ball-valve structure 1 is in opening, when Intraventricular pressure, during in normal level, gravitational force ball-valve structure 2 is in closed condition, and drain is blocked.As shown in Figure 5 B, when Intraventricular pressure raises, while exceeding normal range, gravitational force ball-valve structure 2 is opened, and starts drain, makes Intraventricular pressure return normal level.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes this utility model description and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (8)
1. a hydrocephalus flow divider, comprise the cylinder shape valve of enclose inside and the hydrops introduction channel be communicated with the valve inner space respectively and hydrops derivation passage, described hydrops introduction channel and hydrops are derived passage and are all stretched out end, valve body two ends, it is characterized in that, also comprise taper ball-valve structure and gravitational force ball-valve structure, described taper ball-valve structure and gravitational force ball-valve structure are placed in valve inner;
Described taper ball-valve structure arranges near the hydrops introduction channel, comprise the first spheroid, spring and cock body, described the first spheroid is supported the outlet of hydrops introduction channel, and described cock body is fixed in valve inner, one end of described spring is supported the first spheroid, and its other end is supported cock body;
Described gravitational force ball-valve structure derives channel setting near hydrops, comprise the second spheroid, the 3rd spheroid and spool, described valve core inside be formed with accommodating the second spheroid and with cavity and the flow-guiding channel of the 3rd spheroid, described the second spheroid is positioned at hydrops derives on the flow-guiding channel of channel connection.
2. hydrocephalus flow divider according to claim 1, is characterized in that, the position that described valve inner contacts with the first spheroid is taper seat.
3. hydrocephalus flow divider according to claim 1, is characterized in that, described cock body is cone, and its vertex of a cone stretches into spring inner.
4. hydrocephalus flow divider according to claim 1, is characterized in that, the diameter of described the second spheroid is greater than the diameter of the 3rd spheroid.
5. according to the described hydrocephalus flow divider of claim 1-4 any one, it is characterized in that, described hydrops introduction channel and hydrops derivation passage stretch out on valve end outer wall partly and are equipped with limiting section.
6. hydrocephalus flow divider according to claim 5, is characterized in that, described limiting section is the groove around hydrops introduction channel or all sides of hydrops derivation passage.
7. hydrocephalus flow divider according to claim 6, is characterized in that, the material of described the first spheroid and the 3rd spheroid is sapphire, and the material of described the second spheroid is tantalum.
8. hydrocephalus flow divider according to claim 7, is characterized in that, the material of described cock body and spool is titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457526.3U CN203379482U (en) | 2013-07-29 | 2013-07-29 | Hydrocephalus flow divider valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457526.3U CN203379482U (en) | 2013-07-29 | 2013-07-29 | Hydrocephalus flow divider valve |
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| Publication Number | Publication Date |
|---|---|
| CN203379482U true CN203379482U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320457526.3U Expired - Lifetime CN203379482U (en) | 2013-07-29 | 2013-07-29 | Hydrocephalus flow divider valve |
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| CN (1) | CN203379482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310512A (en) * | 2016-09-22 | 2017-01-11 | 苏州天健云康信息科技有限公司 | Split type micro valve |
| CN107281562A (en) * | 2017-06-12 | 2017-10-24 | 于新 | Adjusting means and drainage of cerebrospinal fluid system in a kind of drainage of cerebrospinal fluid system |
| CN107854765A (en) * | 2017-04-21 | 2018-03-30 | 苏州诺来宁医疗科技有限公司 | A kind of antigravity device applied to human body |
| CN115282463A (en) * | 2022-07-18 | 2022-11-04 | 迈德微创(天津)医疗器械有限责任公司 | Method for marking pressure setting of gravity shunt valve |
| RU228175U1 (en) * | 2024-03-11 | 2024-08-16 | Михаил Сергеевич Аванесов | Valve for liquor drainage system |
-
2013
- 2013-07-29 CN CN201320457526.3U patent/CN203379482U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310512A (en) * | 2016-09-22 | 2017-01-11 | 苏州天健云康信息科技有限公司 | Split type micro valve |
| CN107854765A (en) * | 2017-04-21 | 2018-03-30 | 苏州诺来宁医疗科技有限公司 | A kind of antigravity device applied to human body |
| CN107281562A (en) * | 2017-06-12 | 2017-10-24 | 于新 | Adjusting means and drainage of cerebrospinal fluid system in a kind of drainage of cerebrospinal fluid system |
| CN115282463A (en) * | 2022-07-18 | 2022-11-04 | 迈德微创(天津)医疗器械有限责任公司 | Method for marking pressure setting of gravity shunt valve |
| RU228175U1 (en) * | 2024-03-11 | 2024-08-16 | Михаил Сергеевич Аванесов | Valve for liquor drainage system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |