CN106377286A - Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device - Google Patents
Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device Download PDFInfo
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- CN106377286A CN106377286A CN201610960955.0A CN201610960955A CN106377286A CN 106377286 A CN106377286 A CN 106377286A CN 201610960955 A CN201610960955 A CN 201610960955A CN 106377286 A CN106377286 A CN 106377286A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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Abstract
The invention provides an internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device which comprises a fixed sheet, movable sheets connected with the fixed sheet and locking devices; the movable sheets can move relative to the fixed sheet, and the movable sheets and the fixed sheet define a circumferential closed space for exposing a surgery field in the moving process; the shape of the closed space can vary along with variations of positions of the movable sheets; and each locking device is connected between the corresponding movable sheet and the fixed sheet. According to the internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device, the initial furling size is thin and small, and each movable sheet is in a strip blade shape, is only equivalent to a blade of the traditional retractor and can be very conveniently sent into a body and hidden in a cut and separated incision gap.
Description
Technical field
The present invention relates to medical instruments field is and in particular to be used for one of intervertebral disc operation precisely appearing to visual area
With to the device that around other normal organization completely block and are effectively protected, that is, a kind of built-in, self-expanding, 360 °
Full-shield, headroom exposure of surgical field device.
Background technology
As all surgical operations, spinal operation is to solve spinal disease so far, and especially structural pathology becomes
Change the only effective technological means.The key of the key that any operation is implemented and finally succeeded, is accurate, abundant to visual area
Precisely appear and other normal organization around completely blocked and are effectively protected, especially in cervical vertebra, this is narrow and small
Fatal position.
Since the mankind start to apply surgical operation therapy self-disease, the primary committed step of successful surgery is exactly fully aobvious
Dew is deep to hide internal lesions position.But the soft tissues such as the skin of covering human body surface, subcutaneous fascia, fat, muscle, deep fascia,
Depolarization is full of elasticity outer, also has the autonomous tension force of tanacity, spontaneous contractions power as powerful in muscular tissue.Therefore, always cut, solve
Cut open, separate, after producing gap arrival visual area, once removal equipment, gap closes up immediately automatically, again covers focus, and makes art
Wild thoroughly disappearance.For this reason, so far since the dawn of human civilization, the mankind have made various tractives, radical occlusion device, and making every effort to maintain visual area makes focus
It is able to persistently appear in intra-operative, be possible to complete lesion resection, structure repair, reconstruction.
So far, the multiple all kinds of exposure of surgical field devices of global surgery, are referred to as " retractor (Retractor) ", are commonly called as
" drag hook ".Although shape, size are different, only one of which grown form, the pattern of two kinds of applying pull strengths, respectively：
One grown form：I.e. L-type, front end is to stretch into the different blade of the shape of otch, angle, the depth, width, rear end
For applying the handle of pull strength.
Two kinds of applying tractive effort mode：A manpower, continues tractive, the retraction elasticity of antagonism soft tissue with manually holding handle
Autonomous tension force with muscle；B mechanical force, by the external various mechanical framework being connected on handle, by screw thread screw thread
Between the displacement that produces of relative motion and framework stiffness, the antagonism retraction elastic force of soft tissue and autonomous tension force.
Obviously, to visual area especially to privileged sites, such as neck dissection complex structure, waist muscle strong and other
Deep visual area, clear, stable appears, be the necessary committed step of successful surgery it might even be possible to say in appearing, defeat by aobvious
Dew.
However, so far, this committed step of all operations, be all the time one difficult, waste time and energy, be full of
Actualised risk and the process of follow-up potential problems.
In sum, at least there is problems with prior art：In surgical operation, especially intervertebral disc operation it is difficult to
Obtain the stable visual area of scope.
Content of the invention
The present invention provides a kind of built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field devices, that is, a kind of is used for handss
The dilator of tissue is strutted, to solve the problems, such as to be difficult in surgical operation obtain the stable visual area of scope in art.
For this reason, the present invention proposes a kind of built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field devices, described built-in
Formula, self-expanding, 360 ° of full-shields, headroom exposure of surgical field devices include：
Stator and the activity template being connected on described stator, described activity template can relatively described stator activity,
And in active procedure, between described activity template and described stator, surround closing space in the circumference appear visual area；And institute
State closing space and with the evolution of described activity template, change of shape can occur；
Locking device, is connected between described activity template and described stator.
Further, described activity template at least includes：The first activity template of connecting from beginning to end successively and being hinged, second live
Moving plate and the 3rd activity template, and the first activity template, the second activity template and the 3rd activity template are the lamellar of straight；
Described first activity template is hinged on the head end of described stator, and described 3rd activity template is hinged on described stator
Tail end.
Further, described activity template includes：The first activity template of connecting from beginning to end successively and being hinged, the second activity
Piece, the 3rd activity template, the 4th activity template and the 5th activity template, described first activity template, the second activity template, the 3rd activity template,
Four activity templates and the 5th activity template and described stator are the lamellar of straight；
Described first activity template is hinged on the head end of described stator, and described 5th activity template is hinged on described stator
Tail end；
After each described activity template launches, the first activity template, the second activity template, the 3rd activity template, the 4th activity template and the 5th
Activity template and described stator connect the circumferentially closed cuboid tubular structure of formation；Wherein, each described activity template and
Described stator connects the side forming cuboid tubular structure, and described stator is relative with described 3rd activity template and puts down
OK, described first activity template and the second activity template form 180 degree angle and vertical described stator, described 4th activity template and
5th activity template formation 180 degree angle and vertically described stator.
Further, between described first activity template and the second activity template and described 4th activity template and the 5th activity
Connected by hollow hinge respectively between piece, described locking device includes：It is inserted into guide rod, the Yi Jitong of described hollow hinge
When fixing described first activity template and the second activity template or described 4th activity template and the 5th activity template key.
Further, described first activity template, the structure phase of the second activity template, described 4th activity template and the 5th activity template
With thickness is equal；
Described key has the perforation being set on described guide rod, in the main view of described key and the projection of overlook direction
On, described perforation is located at the centre of described key；
The side-looking direction of described key is projected as n shape, and the size of the opening of described n shape is more than or equal to the thickness of the first activity template
Degree, the two ends of described key are covered simultaneously and are set and block described first activity template and the second activity template or described 4th activity template and the
Five activity templates.
Further, described stator is the lamellar of straight, and described activity template is made up of elastomeric material；
Described activity template has first end and the second end, and the first end of described activity template is fixedly connected on described stator
On；What the second end of described activity template can be moved is arranged on described stator；At the second end of described activity template to described
During the first end of activity template is mobile, described activity template and described stator form by curved surface and face the circumference envelope surrounding directly
The space closed；
Described locking device, can movable being connected between described activity template and described stator.
Further, the top surface of described stator is provided with tooth bar；
Cylindrical body, is fixedly connected on the second end of described activity template, and, the bottom of described cylindrical body is provided with and described tooth
Bar engagement driven tooth and be connected to the connecting portion between described cylindrical body and stator；
Rotary handle, is inserted in described cylindrical body and can rotate relative to described cylindrical body.
Further, described locking device is arranged on the second end of described activity template and is connected with described cylindrical body.
Further, the side of described stator is provided with locking slot, and described locking device is external for being connected to described tubular
Side the cage knob of locking slot described in energy clamping.
Further, described cylindrical body has interior hexagon inwall, and described rotary handle includes the spanner of outer-hexagonal shape.
The built-in, self-expanding of the present invention, 360 ° of full-shields, headroom exposure of surgical field devices, activity template can be relatively described
Stator activity, and in active procedure, between described activity template and described stator, surround closing in the circumference appear visual area
Space；And described closing space can occur change of shape with the evolution of described activity template, therefore, initial in operation
When, this is built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device volumes are less, can very easily send into and in
It is hidden in and completes to cut in detached compressed gap, its length, height and fixing area after expanding can be in step state system
Rowization, meet the needs of different parts and individuality.By the activity of the relatively described stator of activity template, this is built-in, self-expanding,
360 ° of full-shields, headroom exposure of surgical field devices can complete self inflation, that is, generate 360 ° of seamless shieldings of surrounding, hollow, clean,
Stable visual area, like in a court, around erects seamless high-wall, will be complete with unrelated normal organization of performing the operation for surrounding
Entirely block outside operation technique space.
The present invention completely eliminates visual area surrounding normal structure and some important feature from traditional drag hook two panels or several pieces leaves
Space hernia between piece enters, and clamp-ons the phenomenon of visual area.Therefore, the probability accidentally injuring surrounding normal structure in art is almost nil, possesses
Reliable safety.
And then, 360 ° of totally enclosed plates are surrounded by the side being separated from each other, its area greatly increases, to surrounding soft tissue
Unit area pressure necessarily reduce；The natural resiliency simultaneously making soft tissue is uniformly discharged, and makes soft tissue uniform
More preferable toleration is obtained, so that local weight causes ischemia, the probability of necrosis to substantially reduce under pressure.
And then, due to the completely built-in low side surface less than otch plane, therefore more no because manpower drag hook is in operative incision four
All many handss and patient's many people occupy-place at one's side crowded, and the space that occupies in visual area overhead of mechanical drag hook and cause to sight line
Block and increase operation distance problem, and make sight line open, operation is freely；Simultaneously because the extraneous gold extending of non-incision
Belong to, completely eliminate because of the reflective impact dazzle the eyes and patient is caused, reflective because of 360 ° of smooth in visual area four wall on the contrary, disappear completely
Except the shade in visual area, and make visual area bottom brighter.
Brief description
Fig. 1 is the built-in, self-expanding of first embodiment of the invention, 360 ° of full-shields, headroom exposure of surgical field device vertical
Body structural representation, wherein activity template are not yet fully deployed；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the built-in, self-expanding of first embodiment of the invention, 360 ° of full-shields, work of headroom exposure of surgical field device
Structural representation after moving plate is fully deployed；
Fig. 4 is the built-in, self-expanding of first embodiment of the invention, 360 ° of full-shields, work of headroom exposure of surgical field device
Moving plate fully deployed after, insertion locking device but the structural representation of not yet locking；
Fig. 5 is the built-in, self-expanding of first embodiment of the invention, 360 ° of full-shields, the lockings of headroom exposure of surgical field devices
Device locks the structural representation of activity template and stator；
Fig. 6 is the perspective view of the key of first embodiment of the invention；
Fig. 7 is the main structure diagram of the key of first embodiment of the invention；
Fig. 8 is the side structure schematic view of the key of first embodiment of the invention；
Fig. 9 is the overlooking the structure diagram of the key of first embodiment of the invention；
Figure 10 is the built-in, self-expanding of first embodiment of the invention, 360 ° of full-shields, headroom exposure of surgical field devices in handss
Operation principle schematic diagram in art；
Figure 11 is the built-in, self-expanding of second embodiment of the invention, 360 ° of full-shields, headroom exposure of surgical field device vertical
Body structural representation, wherein activity template not yet move；
Figure 12 is the built-in, self-expanding of second embodiment of the invention, 360 ° of full-shields, headroom exposure of surgical field device vertical
Body structural representation, wherein activity template have moved；
Figure 13 is the perspective view of the rotary handle of second embodiment of the invention；
Figure 14 is the structural representation of spinal column lumbar vertebral posterior median incision in intervertebral disc operation；
Figure 15 is the structural representation that automatically closes up of paraspinal muscle group of incision in Figure 14；
Figure 16 be in Figure 14 incision put into the built-in, self-expanding of the second embodiment of the invention shown in Figure 11,360 °
Full-shield, the perspective view of headroom exposure of surgical field device；
Figure 17 is the built-in, self-expanding of second embodiment of the invention, 360 ° of full-shields, works of headroom exposure of surgical field device
Make principle schematic；
Figure 18 is the structure for amplifying of incision in Figure 10.
Drawing reference numeral explanation：
100 is built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field devices
1 stator, 2 activity template, 3 otch, 5 locking device, 7 hollow hinge 9 rotary handle
12 closing space 17 tooth bar
21 first activity template 22 second activity template 23 the 3rd activity template 24 the 4th activity template 25 the 5th activity template
Hexagon inwall 28 connecting portion in 27 cylindrical body 270
31 paraspinal muscle groups
51 guide rod, 53 key 530 perforation 531 openings
55 locking slot 57 cage knob
Spanner 93 knob of 91 outer-hexagonal shapes
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now comparison brief description this
Bright.
As shown in Fig. 1, Fig. 4, Fig. 5, Figure 11 and Figure 12, the present invention propose a kind of built-in, self-expanding, 360 ° of full-shields,
Headroom exposure of surgical field device 100, described built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field devices 100 include：
Stator 1 and the activity template 2 being connected on described stator, described activity template 2 can relatively described stator 1 be lived
Dynamic, stator 1 can with itself motionless or do not stretch, not folded, activity template 2 then can be mobile or stretch or fold with itself, and
In active procedure, between described activity template 2 and described stator, surround closing space 12 in the circumference appear visual area；This closing is empty
Between 12 close in the circumferential, but be penetrating in end direction, that is, closing space 12 is tubular, shape includes irregular shape, many
Side shape, triangle, rectangle, fusiformis, ellipse etc., and described closing space 12 can be with the position change of described activity template 2
Change and change of shape occurs；In order to adapt to the needs performed the operation, thinner, to put into figure to be done with stator 1 of activity template 2
10th, in the otch 3 of the operation of Figure 14, Figure 15, Figure 16 and Figure 17；Activity template 2 can be made from metal material with stator 1,
To have stronger hardness and larger intensity, block automatically closing up of the paraspinal muscle group 31 in otch 3 in Figure 10 and Figure 17；
Locking device 5, is connected between described activity template 2 and described stator 1, by locking device 5, can adjust work
Relative position relation between moving plate 2 and described stator, thus adjust the size and shape of closing space 12.
Further, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, described activity template at least includes：Head and the tail connect simultaneously successively
The first activity template, the second activity template and the 3rd activity template being hinged, and the first activity template, the second activity template and the 3rd are alive
Moving plate is the lamellar of straight；Described first activity template is hinged on the head end of described stator, and described 3rd activity template is hinged on
The tail end of described stator.At least 3 activity templates and a stator, being articulated and connected and mobile by 3 activity templates, that is,
Can achieve and between 3 activity templates and a stator, form variable closing space 12.
Further, in the first embodiment shown in Fig. 1 to Figure 10, described activity template 2 includes：Head and the tail connect simultaneously successively
The first activity template 21, the second activity template 22, the 3rd activity template 23, the 4th activity template 24 and the 5th activity template 25 being hinged,
First activity template 21, the second activity template 22, the 3rd activity template 23, the 4th activity template 24 and the 5th activity template 25 and described solid
Stator 1 is the lamellar of straight；It is, for example, the lamellar of rectangle, to form 360 ° of seamless screens of cuboid surrounding that operation needs
Cover, hollow, clean, stable visual area；
Described first activity template 21 is hinged on the head end of described stator 1, and described 5th activity template 25 is hinged on described solid
The tail end of stator 1；
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, after each described activity template launches, the first activity template, the second activity template, the 3rd
Activity template, the 4th activity template and the 5th activity template and described stator connect the circumferentially closed cuboid tubular knot of formation
Structure；Wherein, each described activity template and described stator connect the side forming cuboid tubular structure, described stator 1
Relative and parallel with described 3rd activity template 23, described first activity template 21 and the second activity template 22 form 180 degree angle simultaneously
And vertically described stator 1, described 4th activity template 24 and the 5th activity template 25 formation 180 degree angle and vertically described fixation
Piece 1, so, the first activity template 21 and the second activity template 22 are fully deployed, and the 4th activity template 24 and the 5th activity template 25 are opened up completely
Open, the space of closing space 12 is maximum, to form 360 ° of seamless shieldings of cuboid surrounding that operation needs, hollow, clean, steady
Fixed visual area.
Further, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, between described first activity template 21 and the second activity template 22, with
And pass through hollow hinge 7 (axle sleeve type hinge) between described 4th activity template 24 and the 5th activity template 25 respectively and connect, described lock
Tight device 5 includes：It is inserted into the guide rod 51 of described hollow hinge 7 and fix described first activity template and the second work simultaneously
Moving plate or the key 53 of described 4th activity template and the 5th activity template.
Further, described first activity template, the structure phase of the second activity template, described 4th activity template and the 5th activity template
With thickness is equal；To use in making and performing the operation；
As shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, described key 53 is, for example, fastener or small-sized cover plate, and key 53 has set
It is located at the perforation 530 on described guide rod, in the main view of described key and the projection of overlook direction, described perforation 530 is located at institute
State the centre of key 53；
The side-looking direction of described key 53 is projected as n shape, and key 53 can essentially regard the parallel straight panel of two panels or straight as
Piece is coupled together by the tabular of one section of bending or lamellar, and the size of the opening 531 of described n shape (in Fig. 8, the width of opening 531
Degree) more than or equal to the first activity template or other each activity pieces thickness, the two ends of described key 53 cover simultaneously set and block described
First activity template and the second activity template or described 4th activity template and the 5th activity template, stop the expansion of above-mentioned each activity template,
Stop the gathering of above-mentioned each activity template, so that the hold mode of above-mentioned each activity template is fixed.Each activity template Hinge joint connects, receives
Hold together, launch to expand, suitable position is with, after key locking, being all likely to be used for the operation of other body parts each section and replacing and draw
Hook.
In Fig. 1 to Figure 10 and Figure 18, the built-in, self-expanding of first embodiment, 360 ° of full-shields, headroom visual areas show
Dew device can regard a cuboid as, and no bottom surface, no top surface, hollow, only frame (and/or side), corner are hinge
Joint connects, and rectangle two minor face midpoint has each Hinge joint to connect again, totally 6 Hinge joint combinations, and corner hinge closes
Section is spacing to 90 ° from 0 °, two minor face the first activity templates and the second activity template or described 4th activity template and the 5th activity template) hinge
90 ° of joint is spacing to 0 °.Due to Hinge joint comprehensive function, rectangle two long side stator 1 and the 3rd activity template 23) can achieve
Parallel draw close and separate, two minor face central point hinges are hollow form (as hollow hinge), pluggable guide rod, two long sides (Gu
Stator 1 and the 3rd activity template 23) separate launch after, external force extruding under, due to two minor faces (the first activity template and the second activity template
Or described 4th activity template and the 5th activity template) in the middle part of hinge exist, can voluntarily close up again.Therefore, after expansion, respectively arrange one
Guide rod 51 is inserted minor face hinge by key 53, with guide rod as guide rail, key is imported, you can locking minor face Hinge joint, makes point
The extruding of powerful external force is resisted on the two long sides opened enough, effectively maintains area and the volume of hollow.Certainly, stator 1 and each work
Moving plate can also equal length, as such, it is possible to surround square bodily form visual area.
Further, as shown in Figure 11 to Figure 17, in second embodiment, described stator 1 is the lamellar of straight, described work
Moving plate 2 is made up of elastomeric material, and for example, spring steel is made, and both has elasticity, and can bend；
Described activity template 2 has first end and the second end, and as is illustrated by figs. 11 and 12, the first end of described activity template 2 is solid
Surely it is connected on described stator 1；What the second end of described activity template 2 can be moved is arranged on described stator；Described
During second end of activity template 2 is moved to the first end of described activity template, activity template bends, and described activity template is solid with described
Stator forms by curved surface and faces the circumferentially closed space 12 surrounding directly；
Described locking device 5, movable being connected between described activity template 2 and described stator 1 of energy, so, locking side
Just.
Further, as shown in figure 11, when activity template does not bend, activity template and stator are for example the square of equal length
Shape, as shown in figure 12, the top surface of described stator 1 is provided with tooth bar 17；
Cylindrical body 27, is fixedly connected on the second end of described activity template 2, and, the bottom of described cylindrical body 27 be provided with
The driven tooth of described tooth bar 17 engagement and be connected to 28 connecting portions 28 between described cylindrical body 27 and stator 1, for will
Described cylindrical body 27 is limited in can only slide or translation with respect to stator 1；Connecting portion 28 can be crotch or curved
Plate, stator 1 is folded between connecting portion 28 and activity template 2；
Rotary handle 9, is inserted in described cylindrical body 27 and can rotate relative to described cylindrical body 27.Due to cylinder
Shape body 27 is fixedly connected on the second end of described activity template 2, and rotary handle 9 is inserted in described cylindrical body 27 and relatively described
After cylindrical body 27 rotates, cylindrical body 27 is limited in can only slide or translation with respect to stator 1, so, cylindrical body 27 drives lives
Second end of moving plate 2 is drawn close to the first end of activity template, during this, activity template bending, described activity template and described fixation
Piece forms by curved surface and faces the circumferentially closed space 12 surrounding directly；After generating optimum state hollow ellipse, lock dress by top surface
Put and lock, generate the penetrating space of 360 ° of full-shield hollow, art finishes, and releases locking device, reversely rotates and restores back initially
Lamellar.This mode, narrow working place in can adapt to perform the operation.
Further, described locking device 5 is arranged on the second end of described activity template and is connected with described cylindrical body, with
Just convenient locking or releasing locking.
Further, as is illustrated by figs. 11 and 12, the side of described stator 1 is provided with locking slot 55, described locking device
Simultaneously can the cage knob 57 of locking slot or locking switch described in clamping for being connected to outside described cylindrical body.So, lock convenient, occupancy
Space is little.
Further, described cylindrical body 27 has interior hexagon inwall 270, and described rotary handle 9 includes outer-hexagonal shape
Spanner 91, for turning interior hexagon inwall 270.The rotation on spanner 91 that rotary handle 9 also includes be connected to outer-hexagonal shape
Button 93, to increase the arm of force.
The operation principle of second embodiment of the invention is：
Camber line is become according to straight line, two ends mutual connection closes, then one circle of formation, and draw a circle to approve the principle of a piece of area, by two
The parallel isometric straight line (activity template and stator) of bar, wherein one distance along another shortening two ends is so that it may form one
The semicircle of closure or semiellipse, introduce formula：Girth=diameter × π, derives that the straight line of long 10cm forms the radius after semicircle
Close to 3cm, such as generate oval, then radius is more than 3cm, and thus generates a piece of semiellipse area, meeting this century enough starts
Popular lumbar vertebral posterior spatium intermusculare approach, the lumbar diskectomy and intervertebral bone-graft fusion that reduces pressure precisely is performed the operation the requirement of visual area.
Rotary handle is inserted the hollow dentation bolt of the cylindrical body of activity template and rotate, the dentation of activity template and stator
Projection is mutually twisted, and activity template i.e. with stator for track activity, draw close to fixing first end, makes activity template outside by the second end
Projection, after generating optimum state hollow ellipse, is locked by top surface lock tooth, generates the penetrating space of 360 ° of full-shield hollow, art
Finish, release cage knob, reversely rotate and restore back initial lamellar.
Operation consent, selects modern precisely spinal column pressure reduction, Via Posterior Spinal Approach spatium intermusculare approach (to reach nerve root canal rear wall, up and down
Articular process and side intervertebral space ligamenta flava position), the narrow and small limitation in this position, it is hidden in paraspinal muscle group again, this muscle group is abundant,
Strong, strong, so being the difficult point in appearing, but but it is modern precisely decompression, disc removal and Intervertebral disc fusion
Preferably the only way which must be passed, embodies modern spinal surgery new idea progress and operation level.
As shown in figure 14, spinal column lumbar vertebral posterior median incision 3, with bone spinous process as center line after incision, separates Ipsilateral (narrow
Compression-side) after subcutaneous tissue and fascia, that is, manifest the paraspinal muscle group 31 of side.
As shown in figure 15, along the spatium intermusculare blunt separation naturally dissected, that is, open spatium intermusculare and enter deep, but now have
The paraspinal muscle group 31 of Spontaneous Contraction power closes up again automatically.
As shown in figure 16, by laminar built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device initial
State, disposably readily inserts separate intervertebral space.
As shown in figure 17, insertion rotary handle, then realize self-expanding, with stator in the state of built-in and low degree
Propping up spinous process is " parados ", and activity template uniformly swells expansion, generate one 360 ° completely shielding, hollow, clearly, stably
Visual area and lock, art finish, unblock, reversely rotate recovery take out.
Activity template curved tabs with high-quality spring steel make, stator with medical stainless steel make, extension ground can length,
Stepping series is formed on width, for being adapted to more positions and different individualities；Extend ground again, base can be changed into each from straight line
Kind dissect camber line, to adapt to the physiological bending of spinal column different segment, overall structure can mirror image each other, meet spinous process center line left and right
The demand of both sides approach.
The present invention has the advantage that：
1. built-in, self-expanding, 360 ° of full-shields, initial gathering volume slight of statures of headroom exposure of surgical field device, are length
Strip of sheet, just corresponds to a blade of traditional drag hook, can very easily send into and be built in and completes to cut detached cutting
In mouthful gap (its length, height and after expanding the area of fixation can be in step state seriation, meet different parts and individuality
Needs).
2. after completing self-expanding, that is, generate 360 ° of seamless shieldings of surrounding, hollow, clean, stable visual area, like one
Individual court, around erects seamless high-wall, and surrounding is blocked in operation technique space completely with unrelated normal organization of performing the operation
Outside (the hinge type attachment structure of first embodiment is used with inserting the distraction forcep in its gap, the semicircle expanding of second embodiment
Rotary handle).
3. completely eliminate visual area surrounding normal structure and some important feature between traditional drag hook two panels or several pieces blades
Space hernia enter, clamp-on the phenomenon of visual area.Therefore, the probability accidentally injuring surrounding normal structure in art is almost nil, and possessing can
The safety leaned on.
4. 360 ° of totally enclosed plates are surrounded by the multiaspect being separated from each other, its area greatly increases, to surrounding soft tissue
Unit area pressure necessarily reduces；The natural resiliency simultaneously making soft tissue is uniformly discharged, and so that soft tissue is pressed uniform
More preferable toleration is obtained, so that local weight causes ischemia, the probability of necrosis to substantially reduce under power.
5. due to the completely built-in low side surface less than otch plane, therefore more no because manpower drag hook is many in operative incision surrounding
Handss and patient's many people occupy-place at one's side crowded, and the space that occupies in visual area overhead of mechanical drag hook and cause the screening to sight line
Gear and the problem increasing the distance operating, and make sight line open, operation is freely；Simultaneously because the extraneous metal extending of non-incision,
Completely eliminate because of the reflective impact dazzle the eyes and patient is caused, reflective because of 360 ° of smooth in visual area four wall on the contrary, it is completely eliminated
Shade in visual area, and make the visual area bottom brighter.
6. its frame for movement, modern material and accurate mach under the conditions of, have clearly, intuitively can achieve
Property.
Sum it up, although present invention structure is uncomplicated, ingenious, succinct, reliable it is often more important that to solve surgery outstanding
It is clean, hollow required by the high-grade, precision and advanced operation technique of modern spinal surgery privileged sites, stable visual area, thus really
Protect the key link problem of successful surgery.
The foregoing is only the schematic specific embodiment of the present invention, be not limited to the scope of the present invention.For this
Each ingredient of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, without departing from this
Done equivalent variations and modification on the premise of the design of invention and principle, all should belong to the scope of protection of the invention.
Claims (10)
1. a kind of built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that described built-in, from
Expand, 360 ° of full-shields, headroom exposure of surgical field devices include：
Stator and the activity template being connected on described stator, described activity template can relatively described stator activity, and
In active procedure, between described activity template and described stator, surround closing space in the circumference appear visual area；And described envelope
Close space and with the evolution of described activity template, change of shape can occur；
Locking device, is connected between described activity template and described stator.
2. built-in as claimed in claim 1, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described activity template at least includes：The first activity template, the second activity template and the 3rd activity template connecting from beginning to end successively and being hinged,
And the first activity template, the second activity template and the 3rd activity template are the lamellar of straight；
Described first activity template is hinged on the head end of described stator, and described 3rd activity template is hinged on the tail of described stator
End.
3. built-in as claimed in claim 2, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described activity template includes：The first activity template of connecting from beginning to end successively and being hinged, the second activity template, the 3rd activity template,
4th activity template and the 5th activity template, described first activity template, the second activity template, the 3rd activity template, the 4th activity template and the 5th
Activity template and described stator are the lamellar of straight；
Described first activity template is hinged on the head end of described stator, and described 5th activity template is hinged on the tail of described stator
End；
After each described activity template launches, the first activity template, the second activity template, the 3rd activity template, the 4th activity template and the 5th activity
Piece and described stator connect the circumferentially closed cuboid tubular structure of formation；Wherein, each described activity template and described
Stator connects the side forming cuboid tubular structure, and described stator is relative and parallel with described 3rd activity template,
Described first activity template and the second activity template form 180 degree angle and vertical described stator, described 4th activity template and the
Five activity templates formation 180 degree angles and vertically described stator.
4. built-in as claimed in claim 2, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Pass through between described first activity template and the second activity template and between described 4th activity template and the 5th activity template hollow respectively
Chain connection, described locking device includes：It is inserted into the guide rod of described hollow hinge and fix described first activity simultaneously
Piece and the key of the second activity template or described 4th activity template and the 5th activity template.
5. built-in as claimed in claim 2, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described first activity template, the second activity template, described 4th activity template and the 5th activity template structure identical, thickness is equal；
Described key has the perforation being set on described guide rod, in the main view of described key and the projection of overlook direction, institute
State the centre that perforation is located at described key；
The side-looking direction of described key is projected as n shape, and the size of the opening of described n shape is more than or equal to the thickness of the first activity template,
The two ends of described key are covered simultaneously and are set and block described first activity template and the second activity template or described 4th activity template and the 5th
Activity template.
6. built-in as claimed in claim 1, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described stator is the lamellar of straight, and described activity template is made up of elastomeric material；
Described activity template has first end and the second end, and the first end of described activity template is fixedly connected on described stator；Institute
That states that the second end of activity template can move is arranged on described stator；At the second end of described activity template to described activity template
First end mobile during, described activity template and described stator form by curved surface and face the circumferentially closed sky surrounding directly
Between；
Described locking device, can movable being connected between described activity template and described stator.
7. built-in as claimed in claim 6, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
The top surface of described stator is provided with tooth bar；
Cylindrical body, is fixedly connected on the second end of described activity template, and, the bottom of described cylindrical body is provided with and is nibbled with described tooth bar
Close driven tooth and be connected to the connecting portion between described cylindrical body and stator；
Rotary handle, is inserted in described cylindrical body and can rotate relative to described cylindrical body.
8. built-in as claimed in claim 7, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described locking device is arranged on the second end of described activity template and is connected with described cylindrical body.
9. built-in as claimed in claim 7, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
The side of described stator is provided with locking slot, and described locking device is to be connected to outside described cylindrical body and can lock described in clamping
The cage knob of groove.
10. built-in as claimed in claim 7, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device it is characterised in that
Described cylindrical body has interior hexagon inwall, and described rotary handle includes the spanner of outer-hexagonal shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960955.0A CN106377286B (en) | 2016-10-28 | 2016-10-28 | Built-in self-expanding 360-degree full-shielding and clearance operation field exposing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960955.0A CN106377286B (en) | 2016-10-28 | 2016-10-28 | Built-in self-expanding 360-degree full-shielding and clearance operation field exposing device |
Publications (2)
| Publication Number | Publication Date |
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| CN106377286A true CN106377286A (en) | 2017-02-08 |
| CN106377286B CN106377286B (en) | 2023-08-18 |
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| CN201610960955.0A Active CN106377286B (en) | 2016-10-28 | 2016-10-28 | Built-in self-expanding 360-degree full-shielding and clearance operation field exposing device |
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Cited By (1)
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|---|---|---|---|---|
| CN108852437A (en) * | 2017-05-15 | 2018-11-23 | 崔家鸣 | Visual field dilator |
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|---|---|
| CN106377286B (en) | 2023-08-18 |
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