CN110124184A - A kind of encephalic drainage of cerebrospinal fluid pipe - Google Patents
A kind of encephalic drainage of cerebrospinal fluid pipe Download PDFInfo
- Publication number
- CN110124184A CN110124184A CN201910514096.6A CN201910514096A CN110124184A CN 110124184 A CN110124184 A CN 110124184A CN 201910514096 A CN201910514096 A CN 201910514096A CN 110124184 A CN110124184 A CN 110124184A
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- China
- Prior art keywords
- drainage
- drainage tube
- cerebrospinal fluid
- guid needle
- encephalic
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- 238000009434 installation Methods 0.000 claims description 2
- 206010028980 Neoplasm Diseases 0.000 abstract description 22
- 210000005013 brain tissue Anatomy 0.000 abstract description 19
- 238000002679 ablation Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000007917 intracranial administration Methods 0.000 abstract description 5
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- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M25/04—Holding devices, e.g. on the body in the body, e.g. expansible
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0637—Butterfly or winged devices, e.g. for facilitating handling or for attachment to the skin
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
- A61M27/002—Implant devices for drainage of body fluids from one part of the body to another
- A61M27/006—Cerebrospinal drainage; Accessories therefor, e.g. valves
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
-
- 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 kind of encephalic drainage of cerebrospinal fluid pipes of the field of medical instrument technology, the inner cavity of the drainage tube is horizontally arranged with guid needle, the right side of the guid needle is extended on the right hand external of drainage tube through female Luer, and the left side of guid needle and the left side of drainage lumens connect, Rule nut cap is provided on the right side of the guid needle, the front end face of the drainage tube is disposed with graduation mark from left to right, and the left side annular of the drainage tube, which is provided with, extends out structure；Advantage is to make its Peng's expansion outside ablation of tumors initial stage fill up tumour chamber by extending out structure, play the role of temporary support occupy-place, drainage tube can be fixed simultaneously prevents displacement from deviating from, during drainage is lasting and brain tissue resets, brain tissue extruding, which extends out structure, makes its contraction, and the flexible structure both shrinks that extend out are gathered, while extending out interstructural gap and persistently existing, drainage tube persistently keeps drainage function, maintains the stabilization of intracranial pressure.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of encephalic drainage of cerebrospinal fluid pipe.
Background technique
Ventricular drainage be after cranial drill hole rows lateral cerebral ventricle puncture, will drawing with several side openings or in operation of opening cranium
Flow tube front end is placed in the ventricles of the brain, and the other end connects a sterile drainage bag, by drainage of cerebrospinal fluid to external.It is that neurosurgery is common
Technological means is common remedy measures after operations on cranium and brain.Purpose is discharge intraventricular haematocele, reduces wound leakage of cerebrospinal, drop
Intracranial hypotension prevents hernia cerebri；
Clinically most-often used is single tube single-chamber drainage tube, is provided with multiple side openings for drainage of cerebrospinal fluid.This kind drainage
Easily displacement is even deviate from during continuous drainage after pipe merging, leads to inadequate drainage, increases doctor's nursing cost.Meanwhile needle
Postoperative to patient with brain tumors, especially the larger patient of gross tumor volume is formed after tumor operation tumor ablation in former tumor locus
Biggish cavity.Since tumour is in long-term form, brain tissue is squeezed, after causing Brain shift, brain tumor to extract, is lost pair
The pressure of brain tissue causes brain tissue to migrate into cavity, displacement, and biggish displacement leads to capillary rupture or damage function
Energy nerve causes permanent cerebral injury；
For this purpose, it is proposed that a kind of encephalic drainage of cerebrospinal fluid pipe, the brain after being particularly suitable for brain tumor procedures tumor ablation
Spinal fluid drainage.
Summary of the invention
The purpose of the present invention is to provide a kind of encephalic drainage of cerebrospinal fluid pipes, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of encephalic drainage of cerebrospinal fluid pipe, including drainage
Pipe, the inner cavity of the drainage tube is set as drainage lumens, female Luer, and a left side for female Luer is provided on the right side of the drainage tube
Side is extended on the right side of the inner cavity of drainage tube, and the inner cavity of the drainage tube is horizontally arranged with guid needle, the right side of the guid needle
Side is extended on the right hand external of drainage tube through female Luer, and the left side of guid needle and the left side of drainage lumens connect, institute
It states and is provided with Rule nut cap on the right side of guid needle, the front end face of the drainage tube is disposed with graduation mark from left to right, described
The left side annular of drainage tube, which is provided with, extends out structure.
Preferably, the structure that extends out is to be distributed uniformly and circumferentially mostly with keel, and extend out structure and pass through preformed
The left side of drainage tube is arranged in molding.
Preferably, the outside for extending out structure, which can also wrap up, is provided with porous sacculus, and the surface of porous sacculus is uniform
It is provided with conduction hole
Preferably, medicine-pouring hole can be provided through on the keel.
Preferably, the inner cavity top of the drainage tube and bottom can also be horizontally arranged with medicine-injecting cavity, the right side of the drainage tube
Side can also be provided with and communicated with attachment base, and drainage branch is provided with and communicated on the right side of the attachment base, is inclined at the top of the attachment base
It is tiltedly provided with injection branch, and guid needle is connected with female Luer through attachment base and drainage branch.
Preferably, the attachment base is set as three-way connection, and the top and bottom of the attachment base is provided with fixed block,
And mounting hole is provided through on fixed block.
Compared with prior art, the beneficial effects of the present invention are:
1, advantage is to make its Peng's expansion outside ablation of tumors initial stage fill up tumour chamber by extending out structure, plays interim branch
The effect of occupy-place is supportted, while can fix drainage tube prevents displacement from deviating from, during drainage is lasting and brain tissue resets, brain
Tissue approximation, which extends out structure, makes its contraction, and the flexible structure both shrinks that extend out are gathered, while extending out interstructural gap and continuing
In the presence of drainage tube persistently keeps drainage function, maintains the stabilization of intracranial pressure；
2, structure fixed drainage tube while increasing conduction hole that extends out at drainage tube tip prevents from；
3, surrounding brain tissue can be supported by extending out structure, prevented brain tissue moment from losing support and collapsing, caused brain
Bleeding or cerebral injury；
4, surrounding uniformity of dosage or normal saline flushing can be realized by extending out the medicine-pouring hole in structure, keep drug abundant with hemotoncus
Contact, gives full play to the efficacy of a drug；
5, extending out structure increase elastomer can guarantee in vivo by elastic opening naturally, prevents from artificially strutting and excessively cause
Brain tissue impairment；
6, drainage tube high scale shows that observable extends out whether structure fully opens；
7, porous balloon structure increases the contact area with surrounding tissue, and the colleague effectively supported increases drainage hole number,
Multi-direction conduction hole improves drainage efficiency.
Detailed description of the invention
Fig. 1 are as follows: schematic structural view of the invention；
Fig. 2 are as follows: the present invention extends out structure expanded configuration schematic diagram；
Fig. 3 are as follows: drainage tube of the present invention is inserted into all brain structures schematic diagram；
Fig. 4 are as follows: drainage tube insertion brain of the present invention extends out structure expanded configuration schematic diagram；
Fig. 5 are as follows: the present invention extends out structure keel structure schematic diagram；
Fig. 6 are as follows: the present invention extends out structure and porous sacculus structural schematic diagram；
Fig. 7 are as follows: the present invention adds connecting base structure schematic diagram.
In figure: 1, drainage tube；10, guid needle；101, Rule nut cap；11, structure is extended out；111, keel；112, porous ball
Capsule；113, conduction hole；114, medicine-pouring hole；12, female Luer；13, drainage lumens；14, graduation mark；15, medicine-injecting cavity；16, attachment base；
17, branch is drained；18, injection branch.
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7 is please referred to, the present invention provides a kind of technical solution: a kind of encephalic drainage of cerebrospinal fluid pipe, including drainage tube 1,
Drainage tube 1 is single tube single-chamber macromolecule tubing, and the inner cavity of drainage tube 1 is set as drainage lumens 13, and the right side of drainage tube 1 is provided with Shandong
That connector 12, and the left side of female Luer 12 is extended on the right side of the inner cavity of drainage tube 1, the inner cavity of drainage tube 1 is laterally arranged
There is guid needle 10, the right side of guid needle 10 is extended on the right hand external of drainage tube 1, and guid needle 10 through female Luer 12
Left side connect with the left side of drainage lumens 13, the right side of guid needle 10 is provided with Rule nut cap 101, the front end face of drainage tube 1 from
Left-to-right is disposed with graduation mark 14, and the left side annular of drainage tube 1, which is provided with, extends out structure 11.
Wherein: extending out structure 11 is to be distributed uniformly and circumferentially mostly with keel 111, and extend out structure 11 and pass through preformed
The left side of drainage tube 1 is arranged in molding, when one end of drainage tube 1 is by playing the work of support after sphenotresia implantation tumour chamber
With；
The outside for extending out structure 11, which can also wrap up, is provided with porous sacculus 112, and the surface of porous sacculus 112 is uniformly arranged
There is conduction hole 113, drainage efficiency can be improved in the porous sacculus 112 of setting；
Medicine-pouring hole 114 can be provided through on keel 111, medicine-pouring hole 114 can dissipate administration around, make drug with
Surrounding hemotoncus or tissue come into full contact with, and increase drug effect；
The inner cavity top of drainage tube 1 and bottom can also be horizontally arranged with medicine-injecting cavity 15, and the right side of drainage tube 1, which can be also connected to, to be set
It is equipped with attachment base 16, the right side of attachment base 16 is provided with and communicated with drainage branch 17, and the top droop of attachment base 16 is provided with injection
Branch 18, and guid needle 10 is connected with female Luer 12 through attachment base 16 and drainage branch 17；
Attachment base 16 is set as three-way connection, and the top and bottom of attachment base 16 is provided with fixed block, and on fixed block
It is provided through mounting hole, is easily installed and is attached.
Working principle: drainage tube 1 is single tube single-chamber macromolecule tubing, and the header terminal design of drainage tube 1 extends out structure 11, outside
Expanding structure 11 is to be distributed uniformly and circumferentially mostly with keel 111, and quantity is at least 3, extends out structure 11 and passes through pre- plasticity
As structure 11 is extended out in Fig. 2, the tip of drainage tube 1 is opened with guid needle 10, and tip can be made to be shrunk to such as 11 knots in figure Fig. 1
Then structure is tightened by Rule nut cap 101 of 10 tail end of female Luer 12 and guid needle of 1 tail end of drainage tube, at this point, receiving
After contracting to extend out the maximum outer profile of structure 11 identical as the main structure outer diameter of drainage tube 1, do not increase intervention diameter；
After nerve endoscope or micrurgy tumor ablation, as shown in Figure 3, drainage tube 1 is planted by sphenotresia
Enter tumour chamber, keep Rule nut cap 101 of 10 tail portion of guid needle and 12 locking state of female Luer of 1 tail portion of drainage tube at this time,
After the implantation in place of drainage tube 1, unscrewing Rule nut cap 101 frees it with female Luer, withstands guid needle 10, drainage tube 1
It is big to extend out the meeting of structure 11 expansion Peng under high molecular material elastic reaction, as extended out 11 state of structure in Fig. 4, is then log out guiding
Needle 10, after extending out structure 11 and fully opening, the scale on drainage tube corresponding to skull can become with the shortening of drainage tube
Change, can be judged to extend out whether structure 11 fully opens according to scale changing value；
The structure 11 that extends out of drainage tube 1 is opened as after structure in Fig. 4, and the gap extended out between structure 11 is passed through with drainage lumens 13
Logical, cerebrospinal fluid can flow through drainage lumens 13 by extending out the gap between structure 11, then by collecting outside 12 lead body of female Luer
In external sterile drainage bag；
During continuous drainage, brain tissue is resetted as the time will be slow retraction, fills up original tumour chamber, tumour chamber
The brain tissue of surrounding, which can squeeze, extends out structure 11, and when tumour chamber surrouding brain tissue resets completely, drainage tube 1 can be squeezed by brain tissue
At state as shown in Figure 3, situation is then drained according to Cerebrospinal Fluid in Patients, patient judges whether to need further to drain or pull out
Pipe.
Embodiment one is proposed in conjunction with Fig. 1 to Fig. 5:
The structure as described in above-mentioned technical proposal will extend out structure and improve as shown in figure 4, extending out the increasing of structure 11 in Fig. 2
Add keel 111, keel 111 are that titanium-nickel wire or elastic stainless steel silk elastomeric material are worked out, outside package macromolecule material
Material, in the production process, moulding is at structure as shown in Figure 4, can will be outer by guid needle 10 in Fig. 1 by the elasticity of keel 111
Expansion structure 11, which is collapsed into figure, extends out 11 structure of structure；
In extending out structure 11 increase keel 111 can realize the effective support for extending out structure 11 to brain tissue, meanwhile, by
When extruding, since the elongation of drainage tube 1 can be oppressed gathering, extending out the effectively opening of structure 11 be can guarantee to brain group around tumour chamber
It knits lasting support while extending out the increasing of the gap between structure 11, it is ensured that cerebrospinal fluid is smoothly drawn by gap, Jin Erwei
Hold the stabilization of intracranial pressure.
In conjunction with Fig. 1 to Fig. 6 embodiment two:
It is that porous sacculus 112 is formed with support keel 111 that structure 11 is extended out in Fig. 5, and porous sacculus 112 is that resilient flexible is high
Molecular material, such as, but not limited to silica gel, the materials such as latex, porous 112 surface of sacculus have several conduction holes 113, support
Keel 111 are elastic metallic material, illustrate but are not limited to titanium-nickel wire, the materials such as stainless steel wire, preformed, which is formed, extends out structure in Fig. 5
11 shape；
1 use process of drainage tube and above scheme are almost the same in the present embodiment, and guid needle 10 and the assembly of drainage tube 1 are completed
Afterwards, drainage tube 1 is stretched, gathering extends out structure 11, after puncturing in place, frees guid needle 10, extends out structure 11 in support keel 111
Elastic force effect under extend out openings, support the porous sacculus 112 on surface, the conduction hole 113 on porous 112 surface of sacculus, which is opened, to be referred to
To all directions, drainage efficiency is improved；
It extends out structure 11 and struts porous sacculus 112 under the action of support keel 111 to the progress of tumour chamber surrouding brain tissue
Support, the porous sacculus 112 on surface can increase the contact area with surrounding tissue, while not influence to drain again, traditional sacculus
Must have independent balloon cavity and full liquid or gas, under conditions of intervention diameter on an equal basis, 13 size of drainage lumens necessarily by
Limit, and full porous sacculus 112 must avoid balloon position, cause conduction hole 113 intracavitary positioned at tumour, influence to draw
Flow effect.
In conjunction with Fig. 1 to Fig. 7 embodiment three:
Tumor of ventricle some with intracranial infection or purulence cerebrospinal fluid, conventional drainage is difficult to control intracranial infection, because
This, proposes drainage tube 1 in Fig. 6 on the basis of original embodiment.
Drainage tube 1 is single-tube multiple-cavity structure, is provided with drainage lumens 13 and several medicine-injecting cavities 15 (rinsing chamber), tip it is outer
Expand one of preferred above-described embodiment of structure 11, quantity is identical as 15 quantity of medicine-injecting cavity, and opens in the outside for extending out structure 11
There are medicine-pouring hole 114, the perforation of 114 medicine-injecting cavity 15 of medicine-pouring hole and one-to-one correspondence, drainage lumens 13 and the gap extended out between structure 11 penetrate through,
Both drainage lumens 13 and medicine-injecting cavity 15 separate at attachment base 16, and are respectively communicated with drainage branch 17 and injection branch 18, drainage
Branch 17 is connected to external sterile drainage bag by female Luer 12.
Drainage lumens 13 and medicine-injecting cavity 15, can be to tumour chamber or blood independently of one another during continuous drainage in the present embodiment
Swollen position carries out Continuous Perfusion administration, and the medicine-pouring hole 114 for extending out 11 outside of structure can dissipate administration around, make drug
It is come into full contact with hemotoncus around or tissue, increases drug effect.
Extend out structure 11 can effectively fix drainage tube 1 prevent deviate from and meanwhile can support tumour chamber surrouding brain tissue, keep away
Exempt from brain tissue and excessively shift to cause cerebral hemorrhage, the postoperative complications such as brain tissue impairment.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The standardized element that the present invention uses can commercially, and shaped piece is according to specification and attached drawing note
Load can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, welding etc.
Conventional means, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection uses the prior art
Middle conventional connection type, this will not be detailed here.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of encephalic drainage of cerebrospinal fluid pipe, including drainage tube (1), it is characterised in that: the inner cavity of the drainage tube (1) is set as
Drainage lumens (13) are provided with female Luer (12) on the right side of the drainage tube (1), and the left side of female Luer (12) is extended
On the right side of the inner cavity of drainage tube (1), the inner cavity of the drainage tube (1) is horizontally arranged with guid needle (10), the guid needle (10)
Right side be extended on the right hand external of drainage tube (1), and the left side of guid needle (10) and drainage through female Luer (12)
The left side of chamber (13) connects, and is provided with Rule nut cap (101) on the right side of the guid needle (10), the front end of the drainage tube (1)
Face is disposed with graduation mark (14) from left to right, and the left side annular of the drainage tube (1), which is provided with, extends out structure (11).
2. a kind of encephalic drainage of cerebrospinal fluid pipe according to claim 1, it is characterised in that: described extend out structure (11) are edge
Circumferencial direction is equally distributed mostly with keel (111), and extends out structure (11) and be arranged by preformed molding on a left side for drainage tube (1)
Side.
3. a kind of encephalic drainage of cerebrospinal fluid pipe according to claim 1, it is characterised in that: described to extend out the outer of structure (11)
Portion, which can also wrap up, to be provided with porous sacculus (112), and the surface of porous sacculus (112) is evenly arranged with conduction hole (113).
4. a kind of encephalic drainage of cerebrospinal fluid pipe according to claim 2, it is characterised in that: on the keel (111)
It is provided through medicine-pouring hole (114).
5. a kind of encephalic drainage of cerebrospinal fluid pipe according to claim 1, it is characterised in that: the inner cavity of the drainage tube (1)
Top and bottom can also be horizontally arranged with medicine-injecting cavity (15), and the right side of the drainage tube (1) can also be provided with and communicated with attachment base
(16), drainage branch (17), the top droop setting of the attachment base (16) are provided with and communicated on the right side of the attachment base (16)
Have injection branch (18), and guid needle (10) is connected with female Luer through attachment base (16) and drainage branch (17)
(12)。
6. a kind of encephalic drainage of cerebrospinal fluid pipe according to claim 5, it is characterised in that: the attachment base (16) is set as
The top and bottom of three-way connection, the attachment base (16) is provided with fixed block, and installation is provided through on fixed block
Hole.
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