CN209173193U - A kind of brain surgery expander - Google Patents
A kind of brain surgery expander Download PDFInfo
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- CN209173193U CN209173193U CN201821399504.5U CN201821399504U CN209173193U CN 209173193 U CN209173193 U CN 209173193U CN 201821399504 U CN201821399504 U CN 201821399504U CN 209173193 U CN209173193 U CN 209173193U
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- brain
- sacculus
- sheath
- length
- spatula
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Abstract
The utility model is to be related to field of medical technology about a kind of brain surgery expander.The technical solution of the utility model is by making the length of the sacculus and the length of the brain spatula match, and brain spatula length is required brain passage length, therefore disposably sacculus can be sent into after suitable depth makes its expansion, length of balloon meets the length requirement of entire brain spatula, it namely can disposably complete the foundation in brain channel, compared with sacculus in the prior art gradually gradually shrinks the method that little by little drive brain spatula advances by expansion repeatedly, shorten operating time, maximum brain tissue protection is realized simultaneously, it is provided safeguard for the optimal rehabilitation of patient.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of brain surgery expanders.
Background technique
Ventricular hemorrhage is a kind of Common neurologic acute severe disease.Wherein, ventricular system bleeding cast is a kind of brain
The common type of room bleeding is easy to lead to acute serious hydrocephalus, has compared with high lethality rate, needs emergency treatment row evacuation of hematoma simultaneously
Dredge cerebrospinal fluid circulation access.As microsurgical technique develops, especially nerve endoscope technology occur, small size tunnel directly into
Entering the ventricles of the brain can be realized the removing of ventricular system hematocele, release hydrocephalus.Thus, develop one kind can microtrauma reach the ventricles of the brain,
And can be realized the inside and outside channel linked up of the lasting ventricles of the brain is to realize operation smoothly important means.
In the prior art, common ventricular needle can establish channel for merging ventricular drainage tube, with small and exquisite side
Just the advantages of, can not achieve brain tissue traction the disadvantage is that this puncture needle is only capable of exploring the way.Although and foliaceous drawing means for brain tissue
It can be carried out brain tissue traction, but this is that the mechanicalness carried out from both direction retracts, and can not achieve 360 degree of tractions, and
If persistently brain tissue lacerated wound can occur for the drawing long period for this mechanical traction.There are also a kind of tubular brain expander and pipes
Shape brain spatula is used cooperatively, and can establish the tubular conduit of brain tissue.The disadvantage is that this channel is that blind property passes through brain tissue, it cannot
Accurately judge lesions position, and tear brain tissue using passivity strength, be easy to cause brain tissue impairment, occurs to puncture gastrointestinal hemorrhage.
For this purpose, the prior art additionally provides a kind of flexible brain expander and tubulose brain spatula is used cooperatively, by sacculus
Inflation can be realized the traction of brain tissue flexibility, and subsequent tubulose brain spatula follows sacculus merging brain tissue to establish brain channel.But
The disadvantage is that the length in brain channel needed for being far smaller than due to the length of sacculus, sacculus needs more during establishing brain channel
Secondary expansion and advance could complete entire brain channel.The every advance of sacculus once needs expansion and contraction primary, therefore sacculus needs
By the way that repeatedly expansion and contraction sacculus is progressively advanced it repeatedly, so that the merging for completing entire tubulose brain spatula is time-consuming and laborious.
And move and expand in this way and be not only easy have laterally pulled wound to brain tissue, it is also easy to lead to longitudinal tension injury of brain tissue,
And repeat the operation several times but also the whole operation time increases, being unfavorable for performing the operation goes on smoothly.
Utility model content
In view of this, the present invention provides a kind of brain surgery expander, main purpose is simplified surgical procedure, shortens hand
The art time reduces the tension injury to patient's brain tissue.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
The embodiments of the present invention provide a kind of brain surgery expander, comprising:
Sheath and the dilating sacculus for being set in described sheath one end, the end of the sheath is exposed to the sacculus, described
Sheath is hollow tube；
Be provided with puncture needle in the sheath, the end of the puncture needle from the other end of the sheath penetrate after from described
One end of the setting sacculus of sheath is exposed, and the end of the exposing sacculus of sheath described in the tail end plugs of the puncture needle
Portion, the puncture needle can be extracted from the sheath；
The sheath enters in brain tissue, and channel is formed in brain tissue after the balloon expandable, so as to tubulose cerebral
The fixed channel of plate support；
The diameter of maximum gauge and the brain spatula after the balloon expandable matches, the length of the sacculus with it is described
The length of brain spatula matches.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
It preferably, further include conveying device, one end of the conveying device is connected to the balloon interior, is used for described
Liquid or gas are provided in sacculus.
Preferably, the conveying device includes conveyer and conveyance conduit, and one end of the conveyance conduit connects the ball
Capsule, the other end connect the conveyer.
Preferably, connector is provided between the conveyance conduit and the conveyer, the connector is fixed at
The other end of the sheath, the connector rigid connection conveyer.
Preferably, the conveyer is syringe.
Preferably, the connector is quick coupling, and the conveyer is adapted to therewith.
Preferably, the syringe of the syringe is provided with scale, and the scale corresponds to the expansion diameter of the sacculus.
By above-mentioned technical proposal, the technical solution of the utility model is at least had the advantage that
The utility model proposes technical solution, by being arranged sacculus in described sheath one end, setting is worn in the sheath
Pricker, whether the puncture needle penetrates brain tissue correct to judge surgery location, so that operation be made quickly to be properly positioned；Passing through will
It is through the brain spatula outside sheath to be sent between the sacculus outer wall and brain tissue after expansion, length and institute by the sacculus
The length for stating brain spatula matches, and brain spatula length is required brain passage length, therefore can be disposably sent into sacculus
Make its expansion after suitable depth, meets the length requirement of entire brain spatula, that is, the disposable foundation for completing brain channel, with
Sacculus is compared by expanding the method shunk and gradually gradually brain spatula is driven to advance repeatedly in the prior art, is simplified and was performed the operation
Journey shortens operating time, while realizing maximum brain tissue protection, provides safeguard for the optimal rehabilitation of patient.
In addition, (being filled if it is other conveyings since the syringe of syringe is equipped with scale corresponding with balloon expandable diameter
Set, can also equally be conveyed at it and this scale is set in cavity wall), it therefore, can be intuitive by observing the variation of syringe scale
The diameter of balloon expandable is solved, convenient for controlling the rhythm of balloon expandable, guarantees that the safety of operation carries out.
Meanwhile connector is fixed in sheath, is rigid connection between connector and conveyer (such as syringe), because
This conveyer and sheath are integrally formed device, facilitate doctor's independent operation.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is a kind of fractionation structural representation for brain surgery expander that the embodiments of the present invention provide；
Schematic diagram when Fig. 2 is a kind of balloon expandable for brain surgery expander that the embodiments of the present invention provide；
Fig. 3 is a kind of structural schematic diagram of the brain spatula of the brain surgery expander provided with the embodiments of the present invention；
Fig. 4 is that a kind of sheath for brain surgery expander that the embodiments of the present invention provide is put on the structure of brain spatula and shown
It is intended to.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its function according to the present utility model application
Effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As depicted in figs. 1 and 2, the utility model provides a kind of surgical dilator, including sheath 10 and is set in the sheath
The dilating sacculus 20 of 10 one end of pipe.Wherein, the end of the sheath 10 is exposed to the sacculus 20, and during the sheath 10 is
Blank pipe is provided with puncture needle 30 in the hollow sheath 10.When installation, the end of the puncture needle 30 is from the sheath 10
The other end penetrate after expose from one end of the setting sacculus 20 of the sheath 10, and the end of the puncture needle 30 can be sealed
The end that the sheath 10 exposes the sacculus 20 is blocked up, so that sheath 10 and puncture needle 30 will not be because entering air when being punctured
And it influences to puncture effect.The puncture needle 30 can be extracted from the sheath 10, after reaching paracentesis depth, be worn by extracting
The observation of pricker 30 is whether there is or not non-blood coagulation to determine whether reaching lesions position.If for example, seeing generally, for hemotoncus patient
Non- blood coagulation outflow, then explanation has arrived at correct lesions position.When operation, which needs and tubulose brain spatula
50 are used cooperatively.Enter the sheath 10 in brain tissue, and the sacculus 20 of 10 one end of sheath made to reach lesions position,
Then make the expansion of sacculus 20 to form channel in brain tissue, so as to keep the support of brain spatula 50 fixed described logical
Road.The shape of the brain spatula 50 can be cylindric, coniform, elliptic cylindrical shape, oval cone cell, cubic fillet column or four directions
Fillet cone cell etc..As shown in figure 3, brain spatula 50 is the conical tube that one end diameter is small, one end diameter is big.
Usually, the material of the brain spatula 50 can be medical macromolecular materials or stainless steel material etc., described
The outer surface of brain spatula 50 and/or inner surface can be equipped with coating, the material of the coating can be hydrophilic, Teflon or
Silicone oil etc..When in use, the brain spatula 50 should carry out aseptic process.
As shown in figure 4, putting on brain spatula 50 outside sheath 10, it can brain spatula 50 is made to enter brain after the expansion of sacculus 20
Tissue.
The diameter of maximum gauge and brain spatula 50 after the expansion of sacculus 20 matches, and is expanded to most in the sacculus 20
When major diameter, the brain spatula 50 can be moved to the periphery of sacculus 20 along the length direction of the sacculus 20, meanwhile, it is described
The length of sacculus 20 and the length of the brain spatula 50 match, that is to say, that the length of the sacculus 20 adapts to the brain spatula
50 length, thus the brain spatula 50 can be made entirely to cover the periphery in the sacculus 20 and penetrate through lesions position and skull
Tapping forms brain channel.
The utility model proposes technical solution, by being arranged sacculus in described sheath one end, setting is worn in the sheath
Pricker, whether the puncture needle penetrates brain tissue correct to judge surgery location, so that surgery location be made quickly to be properly positioned；It is logical
It crosses the brain spatula that will be through outside sheath to be sent between the sacculus outer wall and brain tissue after expansion, due to the length of the sacculus
Match with the length of the brain spatula, and brain spatula length is required brain passage length, therefore can be disposably by sacculus
Make its expansion after being sent into suitable depth, meets the length requirement of entire brain spatula, that is, disposably complete building for brain channel
It is vertical, compared with sacculus in the prior art is by the way that the method for gradually gradually brain spatula being driven to advance is shunk in expansion repeatedly, simplify hand
Art process shortens operating time while realizing maximum brain tissue protection, provides safeguard for the optimal rehabilitation of patient.
Preferably, surgical dilator further includes conveying device 40, for providing liquid or gas into the sacculus 20.Institute
It states and is connected to inside one end and the sacculus 20 of conveying device 40, when being filled with liquid or gas to the sacculus 20, it is expanded,
The degree of expansion is related with the liquid or gas flow that are filled with sacculus 20；And its time when extracting the liquid or gas in sacculus 20 out
The degree of contracting, retraction is related with the liquid of extraction air bag 20 or gas flow.
The conveying device 40 includes conveyer 41 and conveyance conduit 42, and one end of the conveyance conduit 42 connects the ball
Capsule 20, the other end connect the conveyer 41.
Preferably, connector 43 is provided between the conveyance conduit 42 and the conveyer 41, the connector 43 is solid
The other end of the sheath 10, one conveyer 41 of the rigid connection of connector 43 are set calmly.For example, the conveyer 41 can
Think syringe, balloon expandable is made to injection liquid inside the sacculus 20 by syringe, simple and convenient, operator is singlehanded
This operation can be completed.The conveyer 41 is rigidly connected with connector 43, and the connector 43 is fixed at the sheath
10 other end.The i.e. described conveyer 41 is integrated with the sheath 10 rigid connection, and such conveyer 41 can be fixed on
In sheath 10, so that operator be made to take conveniently.One hand can take dynamic whole device.For example, when conveyer 41 is syringe,
When operation, a grip part held in sheath 10, another hand can push directly on syringe.It is grasped when stopping promotion syringe
When making, hand can unclamp, and vacate a hand and do other work, without hand steered syringe.Manpower is saved, behaviour is also facilitated
Make.And a people right-hand man operates so that both hands cooperation more preferably, can promote surgical effect.
Preferably, the connector 43 can be quick coupling, and the conveyer 41 is adapted to therewith.The i.e. described conveyer 41
It is fixed in sheath 10 by the quick coupling, it is simple and quick, save the time.
Preferably, scale has can be set in the syringe of the syringe, and the expansion that the scale corresponds to the sacculus 20 is straight
Diameter.That is, can directly read the diameter of the expansion of sacculus 20 by the scale on observation syringe.It can make in this way
Operator more intuitively understands the case where sacculus 20 is expanded, and operator is facilitated to control the rhythm of operation, is conducive to mitigate patient
Pain.
A kind of brain Path Setup method that brain surgery under nerve endoscope is carried out using above-mentioned brain surgery expander is described below,
It can specifically include following steps:
The first step prepares: first puncture needle 30 being threaded through in sheath 10, brain spatula 50 is set in ball along 10 outer diameter of sheath
20 front end of capsule, makes sacculus 20 be in minimum state when being not filled by, and connector 43 connects conveyer 41；Prepare in conveying device 40
The liquid or gas flow calculated well.In vitro first carry out balloon expandable test, observation sacculus 20 whether can normal expansion and
It shrinks.If sacculus 20 works normally, can continue in next step.
Detection: puncture needle 30 is penetrated sheath 10 and reaches 10 end of sheath, then make sheath 10 and puncture needle 30 by second step
Enter brain tissue together, extracting puncture needle 30 from sheath 10 to detect whether needs operative site, i.e. lesions position.If worn
Pricker 30 has non-blood coagulation, then explanation arrived lesions position, can continue to operate in next step.
Third step, expansion: being that sacculus 20 conveys liquid or gas until ball by conveying device 40 after determining operative site
Capsule 20, which is expanded to, needs size.When using injector delivery liquid, in general, before surgery, precalculated expansion ball
The maximum amount of liquid that capsule needs is fitted into syringe, is then slowly pushed to liquid in sacculus 20, when liquid fully enters ball
When in capsule 20, sacculus 20 reaches maximum gauge, that is, the diameter that brain channel needs.
4th step is sent into: will be through sacculus outer wall of the brain spatula outside sheath 10 50 after expansion and between brain tissue
It is sent into.Brain spatula 50 is just put on outside sheath 10 in advance before puncture needle 30 enters brain tissue, therefore, when sacculus 20 expands
To after maximum gauge, then can the outer wall by the brain spatula 50 put in advance from external brain along sacculus 20 be slowly pushed into.Due to
Sacculus 20 is flexible expansion, therefore flexibility drawing of the brain tissue by sacculus, is conducive to establish brain channel and reduce as far as possible pair
The damage of brain tissue.Brain spatula 50 can be the tapered tubular that one end diameter is small, one end diameter is big.When pushing brain spatula 50,
Miner diameter end is introduced into brain tissue, convenient for smoothly push, while reducing the damage to brain tissue.
5th step retracts: when the brain spatula 50 pushes the end for reaching sacculus 20, it is meant that brain spatula 50 has arrived
Position.At this time can by conveying device 40 by sacculus 20 liquid or gas withdraw, make sacculus 20 restore reset condition, that is, contract
Original diameter is returned, patient's body is conveniently drawn off.
6th step is extracted: slowly extracting sheath 10, then brain spatula 50 is fixed in brain tissue and extends in affected area
The tapping of skull forms brain channel.
Preferably, wherein the dilating sacculus of third step can be slowly gradually to expand.For example, can be by the maximum of sacculus 20
Diameter is divided into several equal parts, when pushing syringe injection liquid every time, the diameter of sacculus 20 can first be made to increase one of equal part.
And in every diameter for increasing an equal part, stops injection liquid for a period of time, be then further continued for injecting, repeatedly, directly
Maximum gauge is expanded to sacculus 20.The purpose for the arrangement is that can have a protection to brain tissue, make its when being pulled by
Step adapts to, to prevent being made brain tissue be damaged by very big drawing quickly.
It preferably, further include the pre-treatment step of the opening skull before the first step.Specifically, pre-treatment step includes:
After patient's anesthesia, skin musculature is cut at its cephalhematoma position, exposure skull is drilled on skull with electric drill, will be hard
Film cuts off exposed cortex.
The utility model proposes technical solution, by being arranged sacculus in described sheath one end, setting is worn in the sheath
Pricker, whether the puncture needle penetrates brain tissue correct to judge surgery location, so that operation be made quickly to be properly positioned；Passing through will
It is through the brain spatula outside sheath to be sent between the sacculus outer wall and brain tissue after expansion, length and institute by the sacculus
The length for stating brain spatula matches, and brain spatula length is required brain passage length, therefore can be disposably sent into sacculus
Make its expansion after suitable depth, meets the length requirement of entire brain spatula, that is, the disposable foundation for completing brain channel, with
Sacculus is compared by expanding the method shunk and gradually gradually brain spatula is driven to advance repeatedly in the prior art, is simplified and was performed the operation
Journey shortens operating time, while realizing maximum brain tissue protection, provides safeguard for the optimal rehabilitation of patient.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (7)
1. a kind of brain surgery expander characterized by comprising
Sheath and the dilating sacculus for being set in described sheath one end, the end of the sheath is exposed to the sacculus, the sheath
For hollow tube；
Be provided with puncture needle in the sheath, the end of the puncture needle from the other end of the sheath penetrate after from the sheath
One end of setting sacculus expose, and the end for being exposed to the sacculus of sheath described in the tail end plugs of the puncture needle,
The puncture needle can be extracted from the sheath；
The sheath enters in brain tissue, and channel is formed in brain tissue after the balloon expandable, so as to tubulose brain spatula branch
The fixed channel of support；
The diameter of maximum gauge and the brain spatula after the balloon expandable matches, the length of the sacculus and the cerebral
The length of plate matches.
2. brain surgery expander according to claim 1, which is characterized in that it further include conveying device, the conveying device
One end be connected to the balloon interior, for providing liquid or gas into the sacculus.
3. brain surgery expander according to claim 2, which is characterized in that the conveying device includes conveyer and conveying
Pipeline, one end of the conveyance conduit connect the sacculus, and the other end connects the conveyer.
4. brain surgery expander according to claim 3, which is characterized in that between the conveyance conduit and the conveyer
It is provided with connector, the connector is fixed at the other end of the sheath, the connector rigid connection conveying
Device.
5. brain surgery expander according to claim 3 or 4, which is characterized in that the conveyer is syringe.
6. brain surgery expander according to claim 4, which is characterized in that the connector is quick coupling, described defeated
Device is sent to be adapted to therewith.
7. brain surgery expander according to claim 5, which is characterized in that the syringe of the syringe is provided with scale,
The scale corresponds to the expansion diameter of the sacculus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399504.5U CN209173193U (en) | 2018-08-29 | 2018-08-29 | A kind of brain surgery expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399504.5U CN209173193U (en) | 2018-08-29 | 2018-08-29 | A kind of brain surgery expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173193U true CN209173193U (en) | 2019-07-30 |
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ID=67359066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821399504.5U Expired - Fee Related CN209173193U (en) | 2018-08-29 | 2018-08-29 | A kind of brain surgery expander |
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| Country | Link |
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| CN (1) | CN209173193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992768A (en) * | 2018-08-29 | 2018-12-14 | 郑州大学第附属医院 | A kind of brain surgery expander and the brain Path Setup method using the expander |
-
2018
- 2018-08-29 CN CN201821399504.5U patent/CN209173193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992768A (en) * | 2018-08-29 | 2018-12-14 | 郑州大学第附属医院 | A kind of brain surgery expander and the brain Path Setup method using the expander |
| CN108992768B (en) * | 2018-08-29 | 2024-05-31 | 郑州大学第一附属医院 | Brain operation dilator and brain channel establishment method using same |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20200829 |