CN208065566U - A kind of antigravity device applied to human body - Google Patents
A kind of antigravity device applied to human body Download PDFInfo
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- CN208065566U CN208065566U CN201720423161.0U CN201720423161U CN208065566U CN 208065566 U CN208065566 U CN 208065566U CN 201720423161 U CN201720423161 U CN 201720423161U CN 208065566 U CN208065566 U CN 208065566U
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Abstract
The utility model provides a kind of antigravity device applied to human body, characterized in that including：Antigravity part, housing part and fluid access port；The antigravity part includes：Gravity pendulum, pendulum mandril, compression spring, sphere, casing；The housing part, including：Upper cover, shell, central shaft, sphere pedestal, liquid inflow port, liquid flowing outlet；The fluid access port is through casing internal.The utility model device is mainly used in the hydrocephalic Ventriculo peritoneal shunt treatment of neurosurgery, has the function of the positional hydrostatic pressing that confrontation is generated with the position chanP of human body.
Description
Technical field
The present invention relates to a kind of antigravity devices applied to human body, are confrontation ventricles of the brain abdominal cavities caused by position changes
Insufficient device is excessively shunted or shunted after bypass.
Background technology
Hydrocephalus is neurosurgery common disease, is a kind of disease caused by cerebrospinal fluid circulation is unsmooth.According to hair
Cause of disease includes craniocerebral trauma, spider because that can be divided into children with congenital hydrocephalus and secondary hydrocephalus, secondary hydrocephalus
Hydrocephalus caused by the factors such as net film lower cavity hemorrhage, encephalitis, neurosurgery be postoperative.It can be divided into height according to the height of intracranial pressure
Pressure property hydrocephalus and normal pressure hydrocephalus.
Hydrocephalus preferred ventriculo-peritoneal shunt in the treatment, in addition can also select the ventricles of the brain-atrium shunting, the ventricles of the brain-mistake shape
Sinus shunts, and the therapeutic modalities such as the ventricles of the brain-bladder shunting, shunt operation needs to apply distribution pipeline, this is a kind of by intraventricular brain
Spinal fluid is diverted into the medical instrument of other lacunas of human body.
Currently, the core component for being clinically used for the distribution pipeline for the treatment of of hydrocephalus includes mainly two parts, one is pressure
Difference limen door, another is hydrostatic pressure resistant difference limen door, and apparatus of the present invention belong to a kind of hydrostatic pressure resistant difference limen door gear.Hydrostatic pressure resistant
Difference is the main problem for needing to face in current treatment of hydrocephalus, since human body after implantable shunt pipeline (such as divide by the ventricles of the brain-abdominal cavity
Flow art), due to the variation of human body position, horizontal position or orthostatic position etc., distribution pipeline both ends will produce additionally produces because of difference in height
Raw hydrostatic pressure difference, such as：A normal throw is will produce in people's upright state lower shunt tube head end and abdominal end, and is being lieed down
Under the state of position, this drop disappears with position chanP, due to the variation of this drop, after distribution pipeline is implanted into human body just
Additional pressure difference is increased, and this continually changing hydrostatic pressure difference is unfavorable for hydrocephalic treatment, such as upright
It can cause excessively to shunt under state, patient will appear orthostatic headache, and severe patient secondary can intracranial hemorrhage, and under prostrate state divide
Stream is insufficient, and patient clinical symptom cannot be effectively relieved, and faces this problem, that is, hydrostatic pressure resistant difference limen door gear occurs.
The hydrostatic pressure resistant valve clinically applied mainly has an anti-siphon means of Medtronic Inc. at present, pungent enlightening under Johnson & Johnson
The volume control device of think of company, Sophysa Inc. and Bei Lang She Pai companies sphere antigravity device, the domestic and international city in the field
The hydrostatic pressure resistant difference limen door gear product of field is all from above-mentioned four company.In the present invention, inventor uses new technology
Method, to realize the hydrostatic pressure resistant difference limen door gear of antigravity formula.
Invention content
The purpose of the present invention is to provide a kind of applied to human body, confrontation ventricles of the brain abdominal cavities point caused by position changes
It flows postoperative excessive shunting or shunts insufficient antigravity device, there is the positional that confrontation is generated with the position chanP of human body
The function of hydrostatic pressing.
A kind of antigravity device applied to human body comprising：
Antigravity part, including：
Gravity pendulum, balance wheel mandril, compression spring, sphere, casing.
Housing part, including：
Upper cover, shell, central shaft, sphere pedestal, liquid inflow port, liquid flowing outlet.
Fluid access port, including：
Through the cavity of above-mentioned antigravity part and shell part in two sub-sections.
The gravity pendulum of described device is divided into two parts in the center of circle and pendulum, and center of circle part is in symmetrical cam structure, cam
Long axis and pendulum part center of gravity overlapping of axles, cam structure and pendulum ejector pin contact, different location act on pendulum mandril, can make
Pendulum mandril moves up and down in casing, and gravity pendulum is inserted in the central shaft of casing by center of circle element center hole, and is with it
Axle center is rotated with position chanP, and pendulum part focus point and gravity pendulum centre point be not or not same site, because human body position changes,
Its focus point is rotated to extreme lower position, it is preferable that pendulum part is the uniform metal derby of density qualities.
The pendulum mandril head end of described device is contacted with compression spring, and tail end connects with gravity pendulum center of circle partial cam structure
It touches, when described device changes with human body position and changed, the rotation of gravity pendulum makes the different positions of its cam structure
It sets and acts on pendulum mandril, pendulum mandril can be made to generate different displacement distances in casing, to make compression spring generate not
Same telescopic variation, it is preferable that pendulum mandril tail end is smooth sphere, is the uniform metal derby of density qualities.
The compression spring head end of described device is contacted with sphere, and tail end and pendulum ejector pin contact, effect is will be because of position
Gravity pendulum change in location acts on the displacement distance of pendulum mandril generation caused by variation, is changed into pressure itself and acts on
Head end sphere.
The sphere of described device is seated the sphere pedestal of shell, constitutes sphere sealing-in, with sealing fluid chamber, tail end connects
By the pressure for coming from compression spring, it is preferable that sphere is the smooth ruby ball in surface.
The compression spring of described device is combined with sphere, has the function of preventing liquid from backflowing.
The casing of described device plays support and package action, inner support balance wheel mandril, compression spring and sphere structure,
Stablize above structure to move inside it, casing side has liquid to flow out side opening, flows after flowing through sphere sealing-in for liquid
Body smoothly flows into cavity, and cannula end is fixed on by trepanning on the central shaft of casing.
The casing of described device is made of upper cover and shell, there is the card slot corresponding to central shaft, casing center below upper cover
Axis outer wrap gravity pendulum center of circle part, gravity pendulum are rotated using it as axle center, there is the fixation of casing pipe hole opening on central shaft
Site, sphere pedestal and the sphere of casing constitute sphere sealing-in, are used for sealing fluid entrance and fluid cavity.Liquid is through sphere sealing-in
After flow out, into fluid cavity, flowed out by fluid outlet.
The fluid channel of described device is through casing internal, and fluid enters from fluid inlet under working condition, through sphere
It is flowed out after sealing-in, walks the fluid cavity in casing, flowed out from fluid outlet.
The autonomous adjustment process that pressure at the sphere sealing-in of described device changes with human body position：Preferably, the dress
Fluid inlet end is set towards human body head, for fluid outlet towards human abdomen, long axis direction is horizontal with human body long axis direction.
According to the condition of [0022], the pressure change process of horizontal position and orthostatic position is as follows：Gravity bob under horizontal position state
Hammer is because by gravity, pendulum center of gravity is to minimum point moving in rotation (the two minimum directions in left and right), at this point, " gravity pendulum
Angle is 90 degree to focus point-gravity pendulum centre point " with " gravity pendulum centre point-sphere sealing-in ", at this point, the gravity pendulum center of circle
Partial cam structure most short axle acts on pendulum mandril, is act as " 0 " to the pressure of pendulum mandril, and pendulum mandril is in casing
Displacement distance is " 0 ", then act as " 0 " to compression spring, at this point, compression spring is in complete diastole state, sphere envelope
It is that nature blocks to meet place, no additional friction.Under orthostatic position state, " gravity pendulum focus point-gravity pendulum centre point " and " weight
Power pendulum centre point-sphere sealing-in " angle is " 0 ", at this point, gravity pendulum center of circle partial cam structure the longest axis acts on pendulum
Mandril act as maximum value to the pressure of pendulum mandril, and pendulum mandril displacement distance in casing is maximum, then to pressure bullet
The effect of spring is maximum, at this point, compression spring is in most compressed state, the pressure at sphere sealing-in is maximum.
Pressure change process of the described device between horizontal position and orthostatic position when transition：Between horizontal position and orthostatic position
When transition, the angle of " gravity pendulum focus point-gravity pendulum centre point " and " gravity pendulum centre point-sphere sealing-in " is in 0-90
It is fluctuated between degree, then under the action of the partial cam structure of the gravity pendulum center of circle, displacement distance of the pendulum mandril in casing
Change between maximum value in " 0 ", changes between maximum value in " 0 " to the elastic force of compression spring, i.e. " gravity pendulum center of gravity
Point-gravity pendulum centre point " and the pressure at " gravity pendulum centre point-sphere sealing-in " angle more spherula sealing-in are bigger, " weight
Power pendulum focus point-gravity pendulum centre point " and the pressure at " gravity pendulum centre point-sphere sealing-in " bigger sphere sealing-in of angle
Power is smaller, poor to generate the different height that adaptation human body position changes, i.e. the pressure change of hydrostatic pressure difference.
The fluid process of circulation of described device：According to the condition of [0022], head end is added additional under person upright's state
With the hydrostatic pressure difference of abdominal end, according to the setting of described device, the pressure when position at sphere sealing-in is exactly upright state
Lower additional increased hydrostatic pressing acts at sphere sealing-in, fluid passes through sphere at this point, liquid is entered by fluid inlet
Sealing-in flows out side opening by the liquid of casing and enters fluid cavity, flowed out from fluid outlet.When human body horizontal position, head end with
The additional hydrostatic pressure differential collapses of abdominal end, at this point, being blocked for nature at sphere sealing-in, no extra pressure, to not increase fluid
Resistance, and between orthostatic position and horizontal position when transition, because additional increased hydrostatic pressure difference is described caused by position difference
Different pressures of the antigravity part of device at sphere sealing-in change and offset, and then avoid the excessive shunting under upright state
It is insufficient with the shunting under horizontal position state.
Purposes of the described device in the medical instrument for preparing the diseases such as treatment hydrocephalus.It can become according to human body position
The difference of change, and the additional increased hydrostatic pressure difference of adaptability to create antagonism under different position states, to adapt to clinical treatment
Demand.
In this application, if be not particularly described, the position relationship of various components is position based on ... shown in the drawings
Relationship is set, used device, instrument, component, size and other conditions etc. are all well-known in the art or ability
Field technique personnel combine the prior art may be implemented 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 field, it should be with retouching in the application
Subject to stating.
Description of the drawings
Fig. 1 is the decomposition view of apparatus of the present invention；
Fig. 2 is the perspective view under apparatus of the present invention plumbness；
Fig. 3 is the side sectional view under apparatus of the present invention plumbness；
Figure label title：(1) upper cover；(2) casing；(3) liquid flows out side opening；(4) casing pipe hole opening；(5) casing pipe
Road；(6) sphere；(7) compression spring；(8) pendulum mandril；(9) pendulum mandril spherical surface；(10) gravity pendulum；(11) cam knot
Structure；(12) gravity pendulum center of circle element center hole；(13) shell；(14) fluid inlet；(15) fluid outlet；(16) sphere bottom
Seat；(17) central shaft；(18) casing sealing-in；(19) fluid cavity；(20) sphere sealing-in.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings
Embodiment 1：For a preferred implementation process of apparatus of the present invention.
The preferred implementation position of described device：As illustrated in the accompanying drawings from 1 to 3, wherein attached drawing 2,3 is that the vertical of the present apparatus puts shape
State, towards human body head, fluid outlet (15) is held towards human abdomen, long axis direction and human body long axis side at fluid inlet (14) end
To level.
The pressure change process of orthostatic position and horizontal position is as follows：Under orthostatic position state, such as attached drawing 2, shown in 3, " gravity bob
Hammer (10) focus point-gravity pendulum centre point (12) " is " 0 " with " gravity pendulum centre point (12)-sphere sealing-in (20) " angle,
At this point, the gravity pendulum center of circle partial cam structure (11) the longest axis acts on pendulum mandril, to the pressure of pendulum mandril (9)
It is act as maximum value, pendulum mandril (9) is maximum in the interior displacement distance of casing (2), then maximum to the effect of compression spring (7),
At this point, compression spring (7) is in most compressed state, the pressure at sphere sealing-in (20) is maximum.Gravity bob under horizontal position state
(10) are hammered into shape because by gravity, pendulum center of gravity is to minimum point moving in rotation (the two minimum directions in left and right), at this point, " gravity
Pendulum (10) focus point-gravity pendulum centre point (12) " and " gravity pendulum centre point (12)-sphere sealing-in (20) " angle are 90
Degree, at this point, the gravity pendulum center of circle partial cam structure (11) most short axle acts on pendulum mandril (9), to pendulum mandril (9)
Pressure is act as " 0 ", and pendulum mandril (9) is " 0 " in casing (2) interior displacement distance, is then act as to compression spring (7)
" 0 " blocks at sphere sealing-in (20) for nature, no additional friction at this point, compression spring (7) is in complete diastole state.
Embodiment 2：
Pressure change process of the described device between horizontal position and orthostatic position when transition：As illustrated in the accompanying drawings from 1 to 3, it is lying down
Between position and orthostatic position when transition, " gravity pendulum (10) focus point-gravity pendulum centre point (12) " and " gravity pendulum centre point
(12) angle of-sphere sealing-in (20) " fluctuates between 0-90 degree, then in gravity pendulum center of circle partial cam structure (11)
Under the action of, displacement distance of the pendulum mandril (9) in casing (2) changes in " 0 " between maximum value, to compression spring
(7) elastic force changes in " 0 " between maximum value, i.e. " gravity pendulum (10) focus point-gravity pendulum centre point (12) " and " weight
The pressure that power pendulum centre point (12)-sphere sealing-in (20) " angle is got at spherula sealing-in (20) is bigger, " gravity pendulum (10)
Focus point-gravity pendulum centre point (12) " and " gravity pendulum centre point (12)-sphere sealing-in (20) " bigger sphere sealing-in of angle
(20) pressure at is smaller, poor to generate the different height that adaptation human body position changes, i.e. the pressure change of hydrostatic pressure difference.
Embodiment 3：
The fluid process of circulation of described device：As illustrated in the accompanying drawings from 1 to 3, head end and abdomen are added additional under person upright's state
The hydrostatic pressure difference at chamber end, according to the setting of described device, the pressure when position at sphere sealing-in (20) is exactly upright state
Lower additional increased hydrostatic pressing acts at sphere sealing-in (20), fluid at this point, liquid is entered by fluid inlet (14)
By sphere sealing-in (20), side opening (3) is flowed out by the liquid of casing and enters fluid cavity (19), is flowed at fluid outlet (15)
Go out.When human body horizontal position, the additional hydrostatic pressure differential collapses of head end and abdominal end, at this point, being sealed for nature at sphere sealing-in (20)
Stifled, no extra pressure is led to not increase fluid resistance, and between orthostatic position and horizontal position when transition because position is different
Cause additional increased hydrostatic pressure difference by the antigravity part of described device at sphere sealing-in (20) different pressures variation and
It offsets, then avoids the shunting under excessive shunting and the horizontal position state under upright state insufficient.
The purpose of embodiment as described above is that the specific implementation mode to the present invention is further described, not
The present invention is imposed any restrictions, it is every to be become according to any simple modification, change and equivalent structure made by the technology of the present invention essence
Change, is still within the scope of the technical scheme of the invention.
Claims (1)
1. a kind of antigravity device applied to human body, characterized in that including：Antigravity part, housing part and fluid channel
Part；The antigravity part includes：Gravity pendulum, pendulum mandril, compression spring, sphere, casing；The gravity pendulum
Center of circle part is in cam structure, and pendulum ejector pin contact, and gravity pendulum is inserted in the central shaft of casing by center of circle medium pore, and with
It is rotated for axle center with position chanP；The pendulum mandril head end is contacted with compression spring, tail end and gravity pendulum center of circle portion
Divide cam structure contact；The compression spring head end is contacted with sphere, tail end and pendulum ejector pin contact；The sphere is located
In the sphere pedestal of shell, sphere sealing-in is constituted, with sealing fluid chamber, tail end is contacted with compression spring；Branch in the casing
Pendulum mandril, compression spring and sphere structure are supportted, casing side has liquid to flow out side opening, and cannula end is fixed on the center of casing
On axis；The housing part, including：Upper cover, shell, central shaft, sphere pedestal, liquid inflow port, liquid flowing outlet；It is described
Casing be made of upper cover and shell, casing is connected by central shaft, sphere pedestal with above-mentioned antigravity part, and casing internal has
Fluid channel；Through casing internal, liquid enters the fluid access port from fluid inlet under working condition, walks machine
Shell-side fluid chamber is flowed out from fluid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423161.0U CN208065566U (en) | 2017-04-21 | 2017-04-21 | A kind of antigravity device applied to human body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720423161.0U CN208065566U (en) | 2017-04-21 | 2017-04-21 | A kind of antigravity device applied to human body |
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| CN208065566U true CN208065566U (en) | 2018-11-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113907897A (en) * | 2021-11-08 | 2022-01-11 | 郑州大学第一附属医院 | Gastroscope mouth pad for children gastroscopy |
-
2017
- 2017-04-21 CN CN201720423161.0U patent/CN208065566U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113907897A (en) * | 2021-11-08 | 2022-01-11 | 郑州大学第一附属医院 | Gastroscope mouth pad for children gastroscopy |
| CN113907897B (en) * | 2021-11-08 | 2023-03-07 | 郑州大学第一附属医院 | Gastroscope mouth pad for children gastroscopy |
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Effective date of registration: 20200103 Address after: 300457 workshop b2-4, workshop 17, No. 80, Haiyun street, Binhai New Area Development Zone, Tianjin Patentee after: Meide Minimally Invasive (Tianjin) Medical Devices Co., Ltd. Address before: 215123 214 room 214, North District of Suzhou Nancheng City, Suzhou, Suzhou Industrial Park, Jiangsu Patentee before: Suzhou Nuolaining Medical Technology Co Ltd |