CN209136770U - A kind of multi-functional cranium brain of shaping makes logical device - Google Patents

Abstract

The utility model discloses a kind of multi-functional cranium brains of shaping to make logical device, include it is intermediate be provided with attraction channel attract stripping off device, the concave ring attracted on stripping off device tube wall is set, the importing isolator being set on concave ring, it is set in the loading sheath that can attract on stripping off device tube wall and constrain the importing isolator in the concave ring, and is set on concave ring and is interspersed in and load in sheath and distally against the isolator push rod for importing isolator end；The utility model, which passes through, utilizes different functions, plastic type flexible isolating device is used in the course of surgery, it can natural equilibrium intracranial tissues pressure upon discharge, to prevent rigid channel because of approach surrouding brain tissue pressure rising caused by supporting excessively, after importing isolator is pushed into focal area by isolator push rod, to isolator applied force is imported, importing isolator is prevented to be extruded predetermined position.

Description

A kind of multi-functional cranium brain of shaping makes logical device

Technical field

Logical device field is made the utility model relates to medical treatment more particularly to a kind of multi-functional cranium brain of shaping makes logical device.

Background technique

Keyhole Technique is to apply to one of the minimally invasive surgeries of diseases such as intracranial aneurysm medical technology.China exists Development in terms of Keyhole Technique is later, and in the nearly more than ten years, Keyhole Technique is almost without the application for continuing progress and clinicing aspect.With The development of medical technology and continuously improving for Medical Devices instrument, the especially face of medical image and endoscopic assistance in recent years Generation, advances the development of Micro-neurosurgical technology, and more and more neuro-surgeries start to explore skull micro wound operation in succession. By the cooperation of accurate image documentation equipment and microneurosurgery, the combination of endoscopic surgery and micro- Neural Technology, Keyhole Technique has New propulsion and development.And Keyhole Technique is by the scientific utilization to ventricular system and encephalic nature gap, compared with small interface Access goes directly wound basis cranii lesion, and safe and convenient is performed the operation.

In Keyhole Technique, general approach aperture selects 2.5-3 centimetres or so of aperture to be preferred, also, the requirement of approach The depth for determining the size in aperture with lesions position and slipping into.No matter how approach requires, but the basic principle realized is:

The operation path of one minimum invasion damage brain tissue important feature is provided, brain tissue is damaged to the greatest extent less to reconstruction channel It can provide under the principle of structure big to the space for having enough operation processing lesions.And all unnecessary damages are got rid of as far as possible Wound, especially the cranial nerve tissue and cerebral vessels of encephalic.

Keyhole Technique is to have corresponding approaches according to different lesions.Therefore, different lesions are taken different Approach design, meets the different demand of patient.The approach of each lesion has his best drill hole tapping.Otherwise it was performing the operation It is difficult to lesion processing in journey, it also will increase the damage of portion of tissue, to influence the effect and success or not of operation.Operation It is middle to require, using encephalic nature gap, to perform the operation from a hole or the channel biggish space in visible distant place with a minimally invasive Channel obtains the operating space that cerebral deep is got over from Kong Yueyuan.

In the classification of keyhole approach, there are sizing shape and non-type shape, feature and requirement to have nothing in common with each other, cranium brain navigation is led Draw the application method for making exchange device and accessible effect is safe and reliable, reaches good precision during navigation traction makes logical With the imitative type effect complied with.Accomplish operation wound minimum, postoperative effect is higher than the effect of traditional operation, and operates operator Simply.

At present, the keyhole surgery of neuro-surgery or also referred to as Minimally Invasive Surgery when make logical device when in use, intervention side Formula, which is all made of, first expands a passage aisle again from outside intervention, or does not expand the mode being directly involved, due to making logical device channel diameter It is general all bigger, it is easy to cause crush injury to brain tissue near approach in intervention procedure；And traditional channel is adopted With hard tubular body, can because caused by supporting excessively approach surrouding brain tissue pressure rise so that cranium brain tissue damaged or drawing Complication is played, needs a kind of channel flexible to solve the problems, such as this.There are disadvantages for traditional operation of the logical device to high request of making.

Therefore, the existing technology needs to be improved and developed.

Utility model content

In view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of multi-functional cranium brains of shaping to make Logical device, it is intended to solve the existing rigid intervening mode for making logical device and rigid support channel form may cause surrouding brain tissue Damage.

The technical solution of the utility model is as follows:

A kind of multi-functional cranium brain of shaping makes logical device, include it is intermediate be provided with attraction channel attract stripping off device, Concave ring on the tube wall for attracting stripping off device is set, and the importing isolator being set on concave ring, being set in can attract On stripping off device tube wall and loading sheath of the importing isolator in the concave ring is constrained, and is set on concave ring and wears It is inserted in and loads in sheath and distally against the isolator push rod for importing isolator end；The importing isolator be it is a kind of by Restrained deformation and the unfettered device for restoring to be expanded into scheduled shape.

Further, described to attract the Regulation Control hole for offering on stripping off device and being connected with attraction channel.

Further, described to attract stripping off device include aspirator inner tube, is fixedly connected on remote in aspirator inner tube Guide head is held, the hand-held handle of the aspirator inner tube other end is fixedly connected on；

The distal end guide head is in cone or flat mouth shape or bullet-headed；

The aspirator inner tube outer surface is the bottom surface of the concave ring, distal end guide head and the opposite side of hand-held handle The two sides of the respectively described concave ring；

The Regulation Control hole is located on hand-held handle.

Further, described to attract stripping off device or be, include aspirator inner tube, is set in aspirator inner tube simultaneously The aspirator outer tube in the full channel of formation between aspirator inner tube, the distal end guide head being fixedly connected on aspirator outer tube, It is provided on the guide head of distal end and is connected to the venthole in the full channel, be arranged on the guide head of distal end and is connected to venthole Dilating sacculus, and the inflatable component being connected with the full channel；

The outer tube outer surface of the aspirator is concave ring bottom surface, and the side of the distal end guide head is concave ring one end side.

Further, the end of the distal end guide head is in cone or bullet-shaped, and dilating sacculus covering distal end is led To head end surface.

Further, the inflatable component includes with piston cavity and the hand-held that is connected with the full channel Body, the gas-flow closure plug that can be slid in piston cavity, and it is fixedly connected on the pump handle of the gas-flow closure beyond the Great Wall；

The hand-held body is fixedly connected on the proximal end side of the aspirator outer tube；

The Regulation Control hole is located on hand-held body.

Further, the bottom of the hand-held body is provided with the return-air valve module being connected with the piston cavity.

Further, the proximal lateral for loading sheath, which is fixedly connected with, loads pin pipe handle.

Further, the end of the proximal lateral of the isolator push rod is fixedly connected with push rod handle.

Further, the end for attracting stripping off device is connected with the hose coupling being connected with attraction channel.

Compared with prior art, the utility model, which passes through, utilizes different functions, can carry out minimally invasive lead in the course of surgery It opens, expand, making logical operation path, inhaling bleeding, cerebrospinal fluid, cleaning solution and the tissue foreign matter etc. during exteriorization；Using can Plastotype flexible isolating device, can natural equilibrium intracranial tissues pressure upon discharge, to prevent rigid channel from excessively making because of support Rise at approach surrouding brain tissue pressure, so that cranium brain tissue damaged or causing complication.Pass through isolator push rod handle After importing isolator is pushed into focal area, to isolator applied force is imported, importing isolator is prevented to be extruded predetermined position.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the embodiment one that a kind of multi-functional cranium brain of shaping of the utility model makes logical device；

Fig. 2 is the partial sectional view of embodiment one；

Fig. 3 is the structural schematic diagram for the embodiment two that a kind of multi-functional cranium brain of shaping of utility model makes logical device；

Fig. 4 is the partial sectional view of embodiment two；

Fig. 5 is enlarged drawing at the A of Fig. 4；

Fig. 6 is enlarged drawing at the B of Fig. 4；

Fig. 7 is another distal end guide head structural schematic diagram of embodiment two.

In figure: 1, stripping off device can be attracted；2, attraction channel；3, concave ring；4, isolator is imported；5, sheath is loaded；6, every From device push rod；7, aspirator inner tube；8, distal end guide head；9, hand-held handle；10, push rod handle；11, Regulation Control Hole；12, pin pipe handle is loaded；13, hose coupling；14, aspirator outer tube；15, venthole；16, channel is filled；17, ball is expanded Capsule；18, inflatable component；19, hand-held body；20, piston cavity；21, gas-flow closure plug；22, pump handle；23, return-air valve Component.

Specific embodiment

The utility model provides a kind of multi-functional cranium brain of shaping and makes logical device, and the utility model provides two kinds of embodiments, Be to apply in the keyhole surgery of neuro-surgery, for make the purpose of this utility model, technical solution and effect it is clearer, It is clear, referring to the drawings and give an actual example to the utility model further description.It should be appreciated that described herein specific Embodiment is only used to explain the utility model, is not used to limit the utility model.

Fig. 1 is the structural schematic diagram for the embodiment one that a kind of multi-functional cranium brain of shaping of the utility model makes logical device；Fig. 2 is The partial sectional view of embodiment one；Fig. 3 is the structure for the embodiment two that a kind of multi-functional cranium brain of shaping of utility model makes logical device Schematic diagram；Fig. 4 is the partial sectional view of embodiment two；Fig. 5 is enlarged drawing at the A of Fig. 4；Fig. 6 is enlarged drawing at the B of Fig. 5；Fig. 7 For another distal end guide head structural schematic diagram of embodiment two.

Embodiment one:

As shown in Figure 1 and Figure 2, the utility model provides a kind of multi-functional cranium brain of shaping and makes logical device, includes that centre is set Be equipped with attraction channel 2 attracts stripping off device 1, and the concave ring 3 attracted on 1 tube wall of stripping off device is arranged in, is set in Importing isolator 4 on concave ring 3, the importing isolator 4 can be attracted on 1 tube wall of stripping off device and constrain described recessed by being set in Loading sheath 5 in ring 3, and be set on concave ring 3 and be interspersed in and load in sheath 5 and distally against 4 end of importing isolator The isolator push rod 6 at end, importing isolator 4 is that a kind of constrained deformation and unfettered recovery are expanded into scheduled shape Device.

The proximal end for loading sheath 5 is arranged in isolator push rod 6, and outer diameter and loading 5 internal diameter of sheath are identical and can be by outer Dynamic front slide is pushed, and then pushes and imports the advance of isolator 4.The purpose of the isolator push rod 6 is to be accurately positioned to import isolation 4 position of device；After stripping off device 1 can be attracted distally to arrive at lesion target area, recession loads sheath 5 and starts release importing isolator 4, Due to the characteristic of its self-expanding can generate radial dilatation and axial retraction phenomenon, and be compressed in loading sheath due to importing isolator 4 Pipe 5, self-expanding power and sheath inside pipe wall form certain frictional force；When loading sheath 5 moves to the near end, this imports isolator 4 axial direction will appear rebound phenomenon and generate with will drive importing isolator 4 under sheath inside pipe wall frictional force collective effect far from disease The axial displacement in stove area, brainpan internal pressure, which may also squeeze out, imports isolator 4；It is accurate to isolator 4 is imported to reduce this displacement The influence of positioning, isolator push rod 6 is also manual while loading the recession of sheath 5 and moving to the near end release importing isolator 4 It is mobile to distal end, importing isolator 4 is generated into undesirable displacement and is balanced out, ensure that importing isolator 4 enters accurate channel Position is reduced because being displaced the damage to cranium brain tissue again, importing isolator 4 between lesion at a distance from the ideal range, reach Precise positioning and accurate effect in place are arrived.

As shown in Fig. 2, loading sheath 5, it is by the medical of the not equal outer surfaces of one group of diameter and length or dimensioning scale Tubing.Length dimension have 60 millimeters to 150 millimeters seven specifications (specification number is respectively 60,80,90,100,110,130, 150), diameter dimension has seven specifications of 4mm to 12mm (specification number is respectively 4,5,6,7,9,10,12), according to making logical space Needs, select different length and diameter combination.

Loading sheath 5 can be used medical metal material such as stainless steel 301L, 314,316 and NiTi tubing, titanium tubing Deng or medical macromolecular materials such as PE PEEK PU PVC, outer surface is labeled with the scale of insert depth.Load the proximal end of sheath 5 It is fixedly connected with and loads pin pipe handle 12, when passage loads sheath 5, can press with finger and load pin pipe handle 12, make to fill Sheath 5 is carried to be easier stress and push.

Import the skeleton and be coated on the coating film in skeleton or outside skeleton that isolator 4 includes memory metal composition Layer, the skeleton manufacture material for importing isolator 4 is medical special metal material or medical macromolecular materials, and has and can remember Property, such as nitinol alloy wire, PU PE material.Import isolator 4 recovery be expanded into scheduled shape be cylinder, lower cone shape, The epicone bodily form, section are elliptical cylindricality, dolioform or rectangle.It imports isolator 4 and is also referred to as the embedded approach of self-expanding Isolator, approach isolator can be formed irregular under given conditions because of constrained deformation and unfettered recovery shape Shape, imports 4 outer surface of isolator or inner surface coats film layer, and film layer has elasticity and imitative type performance, and smooth see-through Or it can not perspectivity.

As shown in Figure 1, can attract stripping off device 1 is by medical metal material such as stainless steel 304 L, 314,316 etc. or medical High molecular material such as PE PU PVE etc. be made, in the present embodiment, can attract stripping off device 1 includes aspirator inner tube 7, is passed through It is screwed and is connected to the distal end guide head 8 of 7 end of aspirator inner tube, distal end guide head 8 is in cone or flat mouth shape, in distal end The tip or side of guide head 8 are the aperture position of attraction channel 2, and attraction channel 2 may be configured as one or more, this implementation One is set as in example, attraction channel 2 runs through entire aspirator inner tube 7, and attraction channel 2 can be connected external vacuum suction by hose Simultaneously the various liquid in brain lesions and channel are smoothly sucked out in device, and tip position should have certain hardness and good elasticity, make Be easily peeled off and pass through to brain tissue generate damage.

In the proximal end of aspirator inner tube 7 integrally formed with hand-held handle 9, hand-held handle 9 for being convenient for during operation Hold, 7 outer surface of aspirator inner tube be 3 bottom surface of concave ring, distal end guide head 8 and hand-held handle 9 it is opposite side it is respectively recessed The side at 3 both ends of ring, isolator push rod 6 are sliding cooperation on 7 outer wall of aspirator inner tube, load sheath 5 and push away in isolator It send for sliding cooperation on 6 outer wall of bar, the end of the proximal lateral of isolator push rod 6 is fixedly connected with push rod handle 10, when pushing away When moving isolator push rod 6, push rod handle 10 can be pressed with finger, isolator push rod 6 is made to be easier stress and push； 6 end of isolator push rod to the concave ring 3 between distal end guide head 8 the embeddable different sizes and shapes of length importing isolation Device 4；After importing isolator 4, which is loaded the constraint of sheath 5, to be reached in cranium brain, distal end guide head 8 reaches the position for needing out stoma, Loading sheath 5, which proximally slides to release, imports isolator 4, and isolator push rod 6 is elapsed from hand to distal end guide head 8, into And push to import isolator 4 and be detached from 3 position of concave ring and be fixed on predetermined position, and to 4 applied force of isolator is imported, prevent because by The interior wall friction that the internal pressure of cranium brain squeezed and loaded sheath 5 drives and is extruded predetermined position.

Regulation Control hole 11 is offered on hand-held handle 9, Regulation Control hole 11 is connected with attraction channel 2, in hand During art, need the blood being sucked out around approach by attraction channel 2, cerebrospinal fluid, cleaning solution and removing foreign matter etc. through distal end Port pumps out in vitro, forms clearly working surface and a channel, in aspiration procedure, operator presses with finger adjusting Hole site controls extracting force size；When entering in complex organization, suction force will be adjusted according to the structure of tissue, When negative pressure is excessively high, since suction force crosses conference for partial nerve or angiolysis.So passing through thumb press pressure regulation by operator Control hole 11 prevents the partial injury that brain tissue is caused in suction operation.

It is fixedly connected with hose coupling 13 in the proximal end for importing isolator 4, hose coupling 13 is connected with attraction channel 2 Logical, hose coupling 13 can be convenient the aspirator outside connection.

Embodiment two

As shown in figure 3, figure 4 and figure 5, example two and embodiment one are a difference in that the structure that can attract stripping off device 1, The stripping off device 1 that attracts in the present embodiment includes aspirator inner tube 7, is equipped with aspirator in the outer sheath of aspirator inner tube 7 Outer tube 14, there are gap between 7 outer wall of 14 inner wall of aspirator outer tube and aspirator inner tube, gap is full channel 16, is being inhaled The end of the distal side of lead device outer tube 14 has been connected through a screw thread distal end guide head 8, offers venthole on distal end guide head 8 15, venthole 15 is connected with full channel 16, the expansion for being fixedly connected on distal end guide head 8 and being connected to venthole 15 Sacculus 17.Dilating sacculus 17 can inlay binding or the distal site for being bonded in suction dissector 6-1, and dilating sacculus 17 is via outside Full channel 16 can pour liquid or gas etc. and be filled with sacculus, when liquid or gas are filled in sacculus body, dilating sacculus 17 with Expansion, the size of expansion is by filling the flow control of object.Dilating sacculus 17 also has certain elasticity when full, When external force has a degree of constraint, dilating sacculus 17 does not continue to expand in containment surfaces, and dynamics meeting nature is transferred to accordingly It does not constrain or position that restraining force is small, so, to a certain extent, dilating sacculus 17 has imitative type function accordingly, that is, When making channel expansion, partial nerve system or blood vessel not will cause to remove to pull and excessively cause to damage.

17 material of dilating sacculus is made of medical high polymer material, and has good draw ratio and tensile elastic, Such as synthesized silicon rubber, natural emulsion and high resiliency PU.

For the structure of distal end guide head 8 there are two types of form, a kind of distal end guide head 8 as shown in Figure 7 is cylindrical and end The composite structure of cone, the venthole 15 of this structure are located on cylindrical surface, and also fixation is covered on circle to dilating sacculus 17 On cylindrical surface, but the end of the structure is not covered with dilating sacculus 17, is hard distal end, and hard distal end is contacted with brain tissue, There is the risk of damage brain tissue.

As shown in Figure 4, Figure 5, second of structure of distal end guide head 8 is to only have in cone or bullet-headed end, Dilating sacculus 17 covers the surface of 8 end of distal end guide head, and 17 one end of dilating sacculus is fixed and clamped by pressure ring and is oriented in distal end First 8 outer wall, the other end enter attraction channel 2 and are pressed on 2 inner wall of attraction channel by aspirator inner tube 7.Second with The first structure is compared, and it is soft that distal site by original hard head adds soft capsule structural reform to be that guide head is integrated with utricule Matter distal end guide head 8, distal end guide head 8 is in bullet-shaped, and outer surface is wrapped in expandable soft utricule, this improvement brings two Point benefit: it first is that the dilating sacculus 17 of distal end guide head 8 is soft utricule, is contacted instead of hard distal end with brain tissue, into one Step reduces the damage to brain tissue.Can be full to it by outside when gradually going deep into cranium brain depths, it is allowed to form sacculus pair Cranium brain tissue carries out flexible expansion, causes deep service aisle chamber, until lesion target spot or region；Second is that by distal end guide head 8 and balloon portion merge, reduce isolator to the distance between lesion, not will cause and dead angle and probe into position cecum, more added with Conducive to the operation of patient；Therefore the distal end guide head 8 of the present embodiment preferentially selects second of structure.

The multi-functional cranium brain of the shaping of dilating sacculus 17 is used to make method of logical device when for making logical as distal end direct expansion formula, Distal end direct expansion formula for operations on cranium and brain be it is a kind of it is safe make logical new method, to the brain tissue of contact flexible body progressive extension Under, protection has been haved the function that its nerve and the blood vessel touched, has avoided postoperative complications.

It is connected with full channel 16 and is connected with inflatable component 18, the general setting of inflatable component 18 is being made outside logical device, by another Outer operator inflates to operate external inflatable component 18 for dilating sacculus 17, and the structure used in the present embodiment is integrated Formula is fixedly connected with inflatable component 18 in the proximal lateral of aspirator outer tube 14, and inflatable component 18 is connected with the full channel 16 Logical, gas is directly pressed into full channel 16 after being pressed by finger to make dilating sacculus 17 swell by inflatable component 18；Attract 3 bottom surface of concave ring that 14 outer surface of device outer tube is formed, the side of distal end guide head 8 and the side of inflatable component 18 form 3 side of concave ring Face, isolator push rod 6 are sliding cooperation on 14 outer wall of aspirator outer tube in concave ring 3, load sheath 5 and push in isolator It is sliding cooperation on 6 outer wall of bar.

Inflatable component 18 includes and the integrally formed hand-held body 19 of aspirator outer tube 14,19 inner cavity of hand-held body It is set as piston cavity 20, piston cavity 20 is connected with full channel 16, and sealing sliding has inflation close in piston cavity 20 Blocking 21, gas-flow closure plug 21 do piston motion in piston cavity 20 and can constantly gas be pressed into and be taken out from dilating sacculus 17 Out, inlay card is connected with pump handle 22 on the gas-flow closure plug 21, and pump handle 22 can press convenient for finger and lift behaviour Make；Operator holds hand-held body 19 when to cranium brain-tissue passage-manufacturing, can be made according to required expansion speed and channel logical Size voluntarily controls inflation measurement, is allowed to convenient, fast, safe controlling and makes logical cavity size.Since one hand manipulates, give User improves the stability and accuracy of operation, substantially increases safety in the art of patient, reduces postoperative complications.

It is provided with the return-air valve module 23 being connected with the piston cavity 20, in the bottom of hand-held body 19 to prevent The vacuum generated in inflatable component 18 by slow gas leakage causes pump handle 22 to be unable to return due to internal and external pressure difference, operates nothing Method is normally carried out；Specified position should be returned to when pump handle 22 is not in pressing state, if return point away from predetermined bits be equipped with compared with When big gap, with finger pressing return-air valve port switch, extraneous gas is made to enter piston cavity 20, internal and external pressure balance, inflation Sealing-plug 21 can easily be lifted, and can restore 22 normal operation position of pump handle manually.

Regulation Control hole 11 in the present embodiment is provided on hand-held body 19, and is connected with attraction channel 2, can When the multi-functional cranium brain of moulding makes logical device and carries out making logical, to blood, cerebrospinal fluid, cleaning solution and removing foreign matter around approach etc. through remote End port pumps out in vitro, forms clearly working surface and a channel.When entering in complex organization, suction force wants root It is adjusted according to the structure of tissue, when negative pressure is excessively high, since suction force crosses conference for partial nerve or angiolysis.So by Operator regulates and controls drilling by thumb press to control extracting force size, prevents the part that brain tissue is caused in suction operation Damage.

The multi-functional cranium brain of shaping makes the use process of logical device are as follows: after selection has determined suitable keyhole surgery, to trouble Person carries out accurate design approach.The form in hole: it is general to determine approach hole within 2.5 centimetres, to drawing within the scope of this Damage is minimum.It is required according to the situation of lesion, enters paths and expand opereating specification as far as possible, increase lockhole enlarge-effect, make to perform the operation Wound is minimum.

Endocranium and arachnoid are cut with special implement, determines that removing attraction mode or asymptotic expansion attract by lesion type Mode approach.And the approach isolator for selecting ideal suitable dimension shape is made by the multi-functional cranium brain of the shaping of the present embodiment The selected keyhole approach of logical device, gets through soft brain tissue in such a way that removing attracts or gradual expansion attracts, through into brain The lesion region of patient.

The multi-functional cranium brain of the shaping makes logical device can attract the liquid of peripheral base by attraction channel 2 at any time, use finger Regulation Control hole 11 is pressed, it is strong and weak to adjust attraction according to the actual situation.

Load 5 high scale of sheath can for import depth judgement good reference be provided, by nerve endoscope or it is micro- outside After mirror observation confirmation has been introduced into pre-operation lesion locations, starts to carry out release importing isolator operation: slowly removing and load load Sheath 5, and isolator push rod 6 alternately is touched, making importing isolator 4, slowly expansion expands from loading sheath 5, with loading Sheath 5 is withdrawn from completely, is imported the expansion completely of isolator 4 and is discharged, while departing from that can attract stripping off device 1, expanding locking Lesion region can be operated.

When loading sheath 5 is withdrawn, after importing isolator 4 discharges out certain position, i.e., it is hard distally to reach brain for loading sheath 5 It at film, imports whether 4 position of isolator deviates the determination that properly do again, due to touching isolator push rod 6, can make to import Isolator 4 will not cause to deviate because of situations such as intracerebral negative pressure.If operation error causes to deviate, sheath 5 can will be loaded again It imports and promotes, the positioning of adjustment again is done to position.

After lesion suitable position determines, sheath 5 will be loaded and withdrawn completely, isolator 4 is imported and gradually discharge, selected when being expanded into It after fixed size and shape, realizes keyhole approach and makes logical purpose, stripping off device 1 can be attracted immediately by withdrawing from, by isolator Edge is stayed to fix outside brain, logical completion is made in entire keyhole approach channel.

It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model The protection scope that benefit requires.

Claims (10)

1. a kind of multi-functional cranium brain of shaping makes logical device, which is characterized in that include that centre is provided with attracting for attraction channel The concave ring on the tube wall for attracting stripping off device is arranged in stripping off device, and the importing isolator being set on concave ring is arranged On it can attract stripping off device tube wall and loading sheath of the importing isolator in the concave ring is constrained, and is set in recessed On ring and in loading sheath and distal end is interspersed in against the isolator push rod of importing isolator end；The importing isolator For a kind of constrained deformation and the unfettered device for restoring to be expanded into scheduled shape.

2. the multi-functional cranium brain of shaping according to claim 1 makes logical device, which is characterized in that described to attract stripping off device On offer the Regulation Control hole being connected with attraction channel.

3. the multi-functional cranium brain of shaping according to claim 2 makes logical device, which is characterized in that described to attract stripping off device It include aspirator inner tube, it is another to be fixedly connected on aspirator inner tube for the distal end guide head being fixedly connected in aspirator inner tube The hand-held handle at end；

The distal end guide head is in cone or flat mouth shape or bullet-headed；

The aspirator inner tube outer surface be the concave ring bottom surface, distal end guide head and hand-held handle it is opposite side difference For the two sides of the concave ring；

The Regulation Control hole is located on hand-held handle.

4. the multi-functional cranium brain of shaping according to claim 2 makes logical device, which is characterized in that described to attract stripping off device Or being includes aspirator inner tube, is set in aspirator inner tube and is formed between aspirator inner tube the suction in full channel Lead device outer tube, the distal end guide head being fixedly connected on aspirator outer tube are provided on the guide head of distal end and are connected to described full The venthole in channel, the dilating sacculus for being arranged on the guide head of distal end and being connected to venthole, and with the full channel phase The inflatable component of connection；

The outer tube outer surface of the aspirator is concave ring bottom surface, and the side of the distal end guide head is concave ring one end side.

5. the multi-functional cranium brain of shaping according to claim 4 makes logical device, which is characterized in that the end of the distal end guide head End is in cone or bullet-shaped, the dilating sacculus covering distal end guide head end surface.

6. the multi-functional cranium brain of shaping according to claim 4 makes logical device, which is characterized in that the inflatable component includes With piston cavity and the hand-held body that is connected with the full channel, the gas-flow closure that can be slid in piston cavity Plug, and it is fixedly connected on the pump handle of the gas-flow closure beyond the Great Wall；

The hand-held body is fixedly connected on the proximal end side of the aspirator outer tube；

The Regulation Control hole is located on hand-held body.

7. the multi-functional cranium brain of shaping according to claim 6 makes logical device, which is characterized in that the bottom of the hand-held body Portion is provided with the return-air valve module being connected with the piston cavity.

8. the multi-functional cranium brain of shaping according to claim 1 makes logical device, which is characterized in that the proximal end for loading sheath Side, which is fixedly connected with, loads pin pipe handle.

9. the multi-functional cranium brain of shaping according to claim 1 makes logical device, which is characterized in that the isolator push rod The end of proximal lateral is fixedly connected with push rod handle.

10. the multi-functional cranium brain of shaping according to claim 1 makes logical device, which is characterized in that described that removing is attracted to fill The end set is connected with the hose coupling being connected with attraction channel.