CN112472976A - Double-balloon liquid storage device for treating brain glioma - Google Patents

Double-balloon liquid storage device for treating brain glioma Download PDF

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Publication number
CN112472976A
CN112472976A CN202011331460.4A CN202011331460A CN112472976A CN 112472976 A CN112472976 A CN 112472976A CN 202011331460 A CN202011331460 A CN 202011331460A CN 112472976 A CN112472976 A CN 112472976A
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scalp
liquid storage
inner cavity
fixedly connected
drug
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CN202011331460.4A
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CN112472976B (en
Inventor
王峰
刘佳
石兰岚
牛瑞泽
于青山
冯婉青
贺靖苑
覃青敏
黄荣珠
王廷华
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Kunming Medical University
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Kunming Medical University
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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
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/04—General characteristics of the apparatus implanted
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0693—Brain, cerebrum

Abstract

The invention discloses a double-ball-bag liquid storage device for treating brain glioma, which comprises a scalp-below medicine liquid storage bag, wherein the top of the scalp-below medicine liquid storage bag is in threaded connection with a fixed base, the top of the fixed base is fixedly connected with a threaded cover, the top of an inner cavity of the threaded cover and the fixed base are both fixedly connected with a first bearing, the top of the scalp-below medicine liquid storage bag is provided with a first perforation, and an inner cavity of the first perforation is penetrated with a rotating rod. The damage of residual medicine in the sac to the surrounding scalp is avoided.

Description

Double-balloon liquid storage device for treating brain glioma
Technical Field
The invention relates to the technical field of household articles for daily use, in particular to a double-balloon liquid storage device for treating brain glioma.
Background
At present, the treatment of glioma at home and abroad is generally surgery, traditional Chinese medicine, radiotherapy, chemotherapy, X knife and gamma knife;
glioma surgical treatment is based on growth characteristics of glioma, theoretically, complete excision of glioma by surgery is impossible, and surgery cannot be performed on some tumors growing in important parts such as brainstem and the like, so that the therapeutic purpose of surgery is relatively limited; glioma radiotherapy is almost the conventional treatment of various types of glioma, but the curative effect evaluation is different, glioma chemotherapy is used for malignant tumor in principle, because it is the "T" shape structure, the vertical tube is directly connected with ventricular drainage tube, the attachment is difficult, the tube length is easy to be broken, the drainage speed is difficult to control, the contact point tightness of puncture needle and scalp is poor, it is easy to infect, in addition, the residual medicine in the vesicle can also be to the destruction of scalp around, its drainage effect is not good.
Disclosure of Invention
The invention provides a double-balloon liquid storage device for treating brain glioma and a using method thereof, aiming at overcoming the defects of single function, inconvenient use, single applicable environment and the like in the prior art. The double-balloon liquid storage device for treating brain glioma and the use method thereof have the characteristics of multiple functions, convenience and quickness in use, wide applicable environment and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a double-ball-bag liquid storage device for treating brain glioma comprises a scalp-below medicine liquid storage bag, wherein the top of the scalp-below medicine liquid storage bag is in threaded connection with a fixed base, the top of the fixed base is fixedly connected with a threaded cover, the top of an inner cavity of the threaded cover and the fixed base are both fixedly connected with first bearings, a first through hole is formed in the top of the scalp-below medicine liquid storage bag, a rotating rod penetrates through the inner cavity of the first through hole, the bottom end of the rotating rod penetrates through the inner cavity of the first through hole and is connected with the inner cavity of the scalp-below medicine liquid storage bag in an inserting mode, a plurality of soft bristles are fixedly connected to the outer edge of the rotating rod, close to the bottom end, a plurality of rotating blades are fixedly connected to the outer edge of the rotating rod, the top end of the rotating rod penetrates through the inner cavity of a first bearing located at the bottom and is connected with the inner cavity of the first bearing located at the top in an inserting mode, and two, the right side of the threaded cover is fixedly connected with a second bearing, the inner cavity of the second bearing is inserted with a connecting rod, the right end of the connecting rod is fixedly connected with a rotary valve, two third through holes are formed in the rotary valve, the bottom of the scalp-below drug liquid storage bag is fixedly connected with a corrugated film, the bottom of the scalp-below drug liquid storage bag is provided with an outer tube, the top end and the bottom end of the outer tube are fixedly connected with threaded connecting blocks, one end of each adjacent threaded connecting block, far away from the outer tube, is fixedly connected with the corrugated film, the corrugated film is positioned at the top and is fixedly connected with the bottom of the scalp-below drug liquid storage bag, the bottom of the scalp-below drug liquid storage bag is provided with a brain drug release bag, the corrugated film is positioned at the bottom and is fixedly connected with the top of the brain drug release bag, the brain drug release bag is provided with a plurality of through holes, and the inner, two ends of the colloid guide pipe are respectively inserted into the adjacent threaded connecting blocks, the inner cavity of the colloid guide pipe is fixedly connected with a plurality of valve switches, and the outer edge of the colloid guide pipe is sleeved with a spring.
Preferably, a plurality of the rotating blades are arranged in an annular array form by taking the center of the rotating rod as a central shaft.
Preferably, the two second through holes are arranged in a vertically symmetrical manner with the center of the connecting rod as a symmetry axis, and the two second through holes correspond to the adjacent third through holes.
Preferably, the two threaded connecting blocks are arranged up and down symmetrically by taking the center of the outer pipe as a symmetry axis.
Preferably, a plurality of the flap switches are sequentially linearly arranged from top to bottom.
Preferably, the through holes are arranged in a ring-shaped array by taking the center of the intracerebral drug release capsule as a central axis.
Preferably, a plurality of the bristles are arranged in an annular array by taking the center of the rotating rod as a central axis.
A double-balloon liquid storage device for treating brain glioma and a using method thereof comprise the following steps:
s1: firstly, under the semi-fixation design that a hemispherical skull recess is required to be placed, the cortex lycii and the scalp are attached, so that the bone cortex and the scalp are not easy to slip, and the capsule wall can be punctured repeatedly, thereby facilitating puncture and drainage;
s2: through the extrusion of the subcutaneous drug liquid storage bag of the head, the liquid in the subcutaneous drug liquid storage bag of the scalp is extruded to increase pressure and then enters the inner cavity of the intracerebral drug release bag along the inner cavity of the colloid catheter, and through the design of a plurality of through holes formed in the outer side of the intracerebral drug release bag, the liquid is discharged through the through holes;
s3: when the discharged liquid is attached to the affected part for applying medicine, the volume expansion of the medicine release bag in the brain is accompanied to form a certain supporting effect on the interior;
s4: after the liquid is discharged, the internal pressure is reduced, and the waste liquid of the affected part and the liquid medicine after the affected part is treated are absorbed into the inner cavity of the medicinal liquid storage bag under the scalp;
s5: the arrangement of the spring prevents the colloid catheter and the outer tube from being bent and blocked during operation, and the arrangement of the valve switch is matched, so that the speed of liquid flowing to the inner cavity of the drug liquid storage bag under the scalp is reduced, the harm to a patient caused by the excessively high absorption speed is avoided, and a certain control effect on the flow speed is realized;
s6: when the equipment is taken out after the completion, after the waste liquid in the inner cavity of the brain drug release sac is discharged by manually pressing the scalp drug liquid storage sac, the threaded cover is arranged on the fixed base, and the threaded cover moves towards the bottom of the scalp drug liquid storage sac by manually pressing the threaded cover, so that the gas in the inner cavity of the scalp drug liquid storage sac is discharged;
s7: rotating the rotary valve at the moment to enable two third through holes in the rotary valve to be matched with two second through holes formed in the threaded cover, and enabling the gas inside the rotary valve to be sprayed out of the inner cavities of the two through holes through the extruding part to form gas flow inside the threaded cover so as to drive the rotary blade to rotate, and driving the rotary rod to rotate through the rotation of the rotary blade;
s8: at this moment, the medicine release bag in the brain is placed into the disinfectant, and because the rotation of bull stick drives a plurality of fluff and carries out the rotation, the bull stick is pressed the downstream, causes the bottom of bull stick to peg graft at the inner chamber of colloid pipe, and the rotation of cooperation bull stick drives the fluff and clears up colloid pipe inner chamber and valve switch for inside clearance degree can improve.
Compared with the prior art, the invention has the beneficial effects that:
the device has the advantages that the device has stable connection relationship through the mutual screw connection of all the parts, the problem of falling off during operation is avoided, the problem of blockage caused by bending of the colloid catheter is avoided by matching the mutual connection of all the parts, the implementation safety is improved, in addition, the soft hair rotation has good cleaning effect on the colloid catheter and the valve switch through the physical action during cleaning, and the damage of residual medicines in the capsule to the peripheral scalp is avoided.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a right side view of the present invention.
Reference numbers in the figures: 1. a sub-scalp drug fluid reservoir sac; 2. rotating the valve; 3. a threaded cap; 4. a rotating blade; 5. a fixed base; 6. a spring; 7. a gum conduit; 8. an outer tube; 9. a drug-releasing capsule in the brain; 10. a corrugated membrane; 11. softening the wool; 12. a flap switch; 13. a threaded connection block; 14. a connecting rod; 15. and (4) rotating the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a double-ball-bag liquid storage device for treating brain glioma comprises a scalp-derived drug liquid storage bag 1, wherein the top of the scalp-derived drug liquid storage bag 1 is in threaded connection with a fixed base 5, the top of the fixed base 5 is fixedly connected with a threaded cover 3, the top of an inner cavity of the threaded cover 3 and the fixed base 5 are both fixedly connected with first bearings, the top of the scalp-derived drug liquid storage bag 1 is provided with a first perforation, a rotating rod 15 penetrates through the inner cavity of the first perforation, the bottom end of the rotating rod 15 penetrates through the inner cavity of the first perforation and is inserted into the inner cavity of the scalp-derived drug liquid storage bag 1, the outer edge of the rotating rod 15, which is close to the bottom end, is fixedly connected with a plurality of soft hairs 11, the soft hairs 11 are arranged in an annular array form by taking the center of the rotating rod 15 as a central axis, so as to play a role of rotary cleaning, a plurality of rotary blades 4 are fixedly connected to the outer edge of the rotating rod 15, which is close to the top end, and the rotary blades, the top end of the rotating rod 15 penetrates through the inner cavity of the first bearing at the bottom and is inserted into the inner cavity of the first bearing at the top, two second through holes are formed in the right side of the threaded cover 3, the two second through holes are arranged in a vertical symmetry mode by taking the center of the connecting rod 14 as a symmetry axis and correspond to the adjacent third through holes in position to achieve the flow effect of opening, closing and closing air flow, the second bearing is fixedly connected to the right side of the threaded cover 3, the connecting rod 14 is inserted into the inner cavity of the second bearing, the rotary valve 2 is fixedly connected to the right end of the connecting rod 14, the two third through holes are formed in the rotary valve 2, the corrugated membrane 10 is fixedly connected to the bottom of the drug storage sac 1 below the scalp, the outer tube 8 is arranged at the bottom of the drug storage sac 1 below the scalp, the top end and the bottom end of the outer tube 8 are fixedly connected with threaded connection blocks 13, one ends of two adjacent threaded connection blocks 13 far away from the outer tube 8 are fixedly connected with corrugated films 10, the corrugated films 10 at the top are fixedly connected with the bottom of the drug reservoir bag 1 under the scalp, the bottom of the drug reservoir bag 1 under the scalp is provided with intracerebral drug release bags 9, the corrugated films 10 at the bottom are fixedly connected with the top of the intracerebral drug release bags 9, the intracerebral drug release bags 9 are provided with a plurality of through holes for facilitating permeation, diffusion and absorption of drugs, the through holes are arranged in an annular array shape by taking the center of the intracerebral drug release bags 9 as a central axis, the inner cavity of the outer tube 8 is provided with colloid tubes 7, two ends of the colloid tubes 7 are respectively inserted into the adjacent threaded connection blocks 13, the two threaded connection blocks 13 are vertically and symmetrically arranged by taking the center of the outer tube 8 as a symmetrical axis, so as a, the problem that the equipment can not drop when operating is made, and the patient is injured, the inner cavity of the colloid guide pipe 7 is fixedly connected with a plurality of flap switches 12, the flap switches 12 are sequentially arranged in a linear mode from top to bottom, the liquid backflow speed is reduced, and the outer side edge of the colloid guide pipe 7 is sleeved with the spring 6.
A double-balloon liquid storage device for treating brain glioma and a using method thereof comprise the following steps:
s1: firstly, under the semi-fixation design that a hemispherical skull recess is required to be placed, the cortex lycii and the scalp are attached, so that the bone cortex and the scalp are not easy to slip, and the capsule wall can be punctured repeatedly, thereby facilitating puncture and drainage;
s2: by extruding the scalp subcutaneous drug liquid storage bag 1, the liquid in the scalp subcutaneous drug liquid storage bag 1 is extruded to increase pressure and then enters the inner cavity of the intracerebral drug release bag 9 along the inner cavity of the colloid catheter 7, and the liquid is discharged through the through holes by the design of the plurality of through holes formed in the outer side of the intracerebral drug release bag 9;
s3: when the discharged liquid is attached to the affected part for medicine application, the volume expansion of the medicine release bag 9 in the brain is accompanied to form a certain supporting effect on the interior;
s4: after the liquid is discharged, the internal pressure is reduced, and the waste liquid of the affected part and the liquid medicine after the affected part is treated are absorbed into the inner cavity of the medicinal liquid storage bag 1 under the scalp;
s5: the arrangement of the spring 6 prevents the colloid conduit 7 and the outer tube 8 from being bent and blocked during operation, and the arrangement of the valve switch 12 is matched, so that the speed of liquid flowing to the inner cavity of the liquid storage bag 1 under the scalp is reduced, the harm to a patient caused by the overhigh absorption speed is avoided, and a certain control effect on the flow speed is realized;
s6: when the equipment is taken out after the completion, after the waste liquid in the inner cavity of the intracerebral drug release capsule 9 is discharged by manually pressing the scalp drug liquid storage capsule 1, the threaded cover 3 is installed on the fixed base 5, and the air in the inner cavity of the scalp drug liquid storage capsule 1 is discharged by manually pressing the threaded cover 3 to move towards the bottom of the scalp drug liquid storage capsule 1;
s7: at the moment, the rotary valve 2 is rotated, so that two third through holes in the rotary valve 2 are matched with two second through holes formed in the threaded cover 3 in position, at the moment, the internal gas is sprayed out from the inner cavities of the two through holes through the extrusion part, the gas flows in the threaded cover 3, the rotary blade 4 is driven to rotate, and the rotary rod 15 is driven to rotate through the rotation of the rotary blade 4;
s8: at this moment, the medicine release bag 9 in the brain is placed into the disinfectant, and the rotating rod 15 is pressed to move downwards when the rotating rod 15 rotates to drive the plurality of soft hairs 11 to rotate, so that the bottom end of the rotating rod 15 is inserted into the inner cavity of the colloid guide tube 7, the rotating rod 15 is matched to rotate to drive the soft hairs 11 to clean the inner cavity of the colloid guide tube 7 and the valve switch 12, and the internal cleaning degree is improved. The working principle is as follows: firstly, under the semi-fixed design that a hemispherical skull cave is placed, the cortex lycii and the scalp are attached to ensure that the cortex lycii and the scalp are not easy to slip, the sac wall can be punctured repeatedly and is convenient for puncture drainage, the scalp subcutaneous drug liquid storage sac 1 is extruded to ensure that the liquid in the scalp subcutaneous drug liquid storage sac 1 enters the inner cavity of the brain drug release sac 9 along the inner cavity of the colloid catheter 7 after the pressure is increased by extrusion, the liquid is discharged through a plurality of through holes arranged on the outer side of the brain drug release sac 9, the discharged liquid is attached to the affected part and forms a certain supporting effect on the inside along with the volume expansion of the brain drug release sac 9, after the liquid is discharged, the internal pressure is reduced to absorb the waste liquid of the affected part and the liquid after the affected part is treated to the inner cavity of the scalp drug liquid storage sac 1, and the problems of bending and blocking of the colloid catheters 7 and 8 can not occur during the operation through the arrangement of the spring 6, and the arrangement of the valve switch 12 is matched, so that the speed of the liquid flowing to the inner cavity of the drug liquid storage bag 1 under the scalp is reduced, the damage to a patient caused by too high absorption speed is avoided, the convection speed has a certain control effect, when the device is taken out after the device is completed, the waste liquid in the inner cavity of the drug liquid storage bag 9 in the brain is discharged by manually pressing the scalp drug liquid storage bag 1, the threaded cover 3 is arranged on the fixed base 5, the threaded cover 3 moves towards the bottom of the scalp drug liquid storage bag 1 by manually pressing the threaded cover 3, so that the gas in the inner cavity of the drug liquid storage bag 1 under the scalp is discharged, at the moment, the rotary valve 2 is rotated, two third through holes on the rotary valve 2 are matched with two second through holes arranged on the threaded cover 3, at the moment, the gas in the inner part is sprayed out from the two through hole inner cavities through the extrusion part, the gas flow is formed in the inner part of the threaded cover 3, and the rotary blade, through rotating vane 4's rotation drive bull stick 15 and rotate, place the antiseptic solution with medicine release bag 9 in the brain this moment, and because the rotation of bull stick 15 drives a plurality of fluff 11 and carries out the rotation when, bull stick 15 is pressed downstream, cause the bottom of bull stick 15 to peg graft at the inner chamber of colloid pipe 7, and the rotation of cooperation bull stick 15 drives fluff 11 and clears up colloid pipe 7 inner chamber and valve switch 12, make inside clearance degree can improve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A double-balloon liquid storage device for treating brain glioma comprises a sub-scalp drug liquid storage balloon (1), and is characterized in that: the top of the medicine liquid storage bag (1) under the scalp is in threaded connection with a fixed base (5), the top of the fixed base (5) is fixedly connected with a threaded cover (3), the top of an inner cavity of the threaded cover (3) and the fixed base (5) are both fixedly connected with first bearings, the top of the medicine liquid storage bag (1) under the scalp is provided with a first perforation, a rotating rod (15) penetrates through the inner cavity of the first perforation, the bottom end of the rotating rod (15) penetrates through the inner cavity of the first perforation and is inserted into the inner cavity of the medicine liquid storage bag (1) under the scalp, the outer edge of the rotating rod (15) close to the bottom end is fixedly connected with a plurality of soft hairs (11), the outer edge of the rotating rod (15) close to the top end is fixedly connected with a plurality of rotating blades (4), the top end of the rotating rod (15) penetrates through the inner cavity of a first bearing located at the bottom and is inserted into the inner cavity of the first bearing located at, the right side of the threaded cover (3) is provided with two second through holes, the right side of the threaded cover (3) is fixedly connected with a second bearing, an inner cavity of the second bearing is inserted with a connecting rod (14), the right end of the connecting rod (14) is fixedly connected with a rotary valve (2), the rotary valve (2) is provided with two third through holes, the bottom of the drug liquid storage sac (1) under the scalp is fixedly connected with a corrugated membrane (10), the bottom of the drug liquid storage sac (1) under the scalp is provided with an outer tube (8), the top end and the bottom end of the outer tube (8) are both fixedly connected with threaded connecting blocks (13), one end of each two adjacent threaded connecting blocks (13) far away from the outer tube (8) is both fixedly connected with the corrugated membrane (10), the corrugated membrane (10) positioned at the top is fixedly connected with the bottom of the drug liquid storage sac (1) under the scalp, and the bottom of the drug liquid storage sac (1) under the scalp is provided with a drug liquid release sac, the novel medical device is characterized in that the corrugated membrane (10) is fixedly connected with the top of the intracerebral drug release bag (9) at the bottom, a plurality of through holes are formed in the intracerebral drug release bag (9), the inner cavity of the outer tube (8) is provided with the colloid guide tube (7), two ends of the colloid guide tube (7) are respectively inserted into adjacent threaded connection blocks (13), the inner cavity of the colloid guide tube (7) is fixedly connected with a plurality of flap switches (12), and the outer edge of the colloid guide tube (7) is sleeved with the spring (6).
2. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the rotating blades (4) are arranged in an annular array shape by taking the center of the rotating rod (15) as a central shaft.
3. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the two second through holes are arranged in a vertical symmetry mode by taking the center of the connecting rod (14) as a symmetry axis, and correspond to the adjacent third through holes in position.
4. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the two threaded connecting blocks (13) are arranged in a vertically symmetrical mode by taking the center of the outer pipe (8) as a symmetrical axis.
5. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the valve switches (12) are sequentially linearly arranged from top to bottom.
6. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the through holes are arranged in an annular array shape by taking the center of the intracerebral drug release capsule (9) as a central shaft.
7. The dual-balloon reservoir device for treating brain glioma of claim 1 wherein: the soft hairs (11) are arranged in an annular array shape by taking the center of the rotating rod (15) as a central shaft.
8. The dual-balloon reservoir device for treating brain glioma according to any one of claims 1-7, comprising the following steps:
s1: firstly, under the semi-fixation design that a hemispherical skull recess is required to be placed, the cortex lycii and the scalp are attached, so that the bone cortex and the scalp are not easy to slip, and the capsule wall can be punctured repeatedly, thereby facilitating puncture and drainage;
s2: the liquid in the scalp subcutaneous drug liquid storage bag (1) is extruded to increase pressure and then enters the inner cavity of the intracerebral drug release bag (9) along the inner cavity of the colloid catheter (7), and the liquid is discharged through the through holes by the design of the plurality of through holes formed in the outer side of the intracerebral drug release bag (9);
s3: when the discharged liquid is attached to the affected part for medicine application, the volume expansion of the medicine release bag (9) in the brain is accompanied to form a certain supporting effect on the interior;
s4: when the liquid is discharged, the internal pressure is reduced, and the waste liquid of the affected part and the liquid medicine after the affected part is treated are absorbed into the inner cavity of the medicinal liquid storage bag (1) under the scalp;
s5: the arrangement of the spring (6) enables the colloid catheter (7) and the outer tube (8) not to bend and block during operation, and the arrangement of the valve switch (12) is matched, so that the speed of liquid flowing to the inner cavity of the drug liquid storage sac (1) under the scalp is reduced, the harm to a patient caused by too high absorption speed is avoided, and a certain control effect on the flow speed is achieved;
s6: when the equipment is taken out after the completion, after the waste liquid in the inner cavity of the intracerebral drug release sac (9) is discharged by manually pressing the scalp drug liquid storage sac (1), the threaded cover (3) is installed on the fixed base (5), and the threaded cover (3) is pressed by hand to move towards the bottom of the scalp drug liquid storage sac (1), so that the gas in the inner cavity of the scalp drug liquid storage sac (1) is discharged;
s7: at the moment, the rotary valve (2) is rotated, so that two third through holes in the rotary valve (2) are matched with two second through holes formed in the threaded cover (3), at the moment, the internal gas is sprayed out from the inner cavities of the two through holes through the extrusion part, the gas flows in the threaded cover (3) are formed, the rotary blade (4) is driven to rotate, and the rotary rod (15) is driven to rotate through the rotation of the rotary blade (4);
s8: place antiseptic solution in with intracerebral medicine release bag (9) this moment, and because the rotation of bull stick (15) drives a plurality of fluff (11) and carries out the rotation, bull stick (15) are pressed downstream, cause the bottom of bull stick (15) to peg graft in the inner chamber of colloid pipe (7), and the rotation of cooperation bull stick (15) drives fluff (11) and clears up colloid pipe (7) inner chamber and valve switch (12), make inside clearance degree improve.
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US5836935A (en) * 1994-11-10 1998-11-17 Ashton; Paul Implantable refillable controlled release device to deliver drugs directly to an internal portion of the body
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