CN207613806U - Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device - Google Patents
Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device Download PDFInfo
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- CN207613806U CN207613806U CN201621184547.2U CN201621184547U CN207613806U CN 207613806 U CN207613806 U CN 207613806U CN 201621184547 U CN201621184547 U CN 201621184547U CN 207613806 U CN207613806 U CN 207613806U
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Abstract
The utility model provides built-in one kind, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device, and the built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device include：Fixinig plate and the activity template being connected on the fixinig plate, the activity template can the relatively described fixinig plate activity, and in active procedure, enclosure space in the circumferential direction for appear visual area is surrounded between the activity template and the fixinig plate；And with the evolution of the activity template change in shape can occur for the enclosure space；Locking device is connected between the activity template and the fixinig plate.The beginning of the utility model collapses volume slight of stature, is strip sheet, just corresponds to a blade of traditional drag hook, can very easily be sent into and be built in the compressed gap that cutting separation is completed.
Description
Technical field
The utility model is related to medical instruments fields, and in particular to for a kind of to the accurate of visual area in intervertebral disc operation
Appear and to the device that around other normal organizations are completely blocked and are effectively protected, i.e., a kind of built-in, self-expanding,
360 ° of full-shields, 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 key that any operation is implemented and finally succeeds, is accurate, fully to visual area
Precisely appear and other normal organizations around completely blocked and are effectively protected, especially in cervical vertebra, this is narrow
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 skin, subcutaneous fascia, fat, muscle, the deep fascia of human body surface are covered,
Depolarization is full of elasticity outer, also has indomitable autonomous tension, the powerful spontaneous contractions power such as musculature.Therefore, it always cuts, solve
It cuts open, detach, after generating gap arrival visual area, once removal equipment, gap closes up automatically immediately, covers lesion again, and makes art
It is wild thoroughly to disappear.For this purpose, so far since the dawn of human civilization, the mankind have made various drawings, radical occlusion device, making every effort to maintain visual area makes lesion
It is able to persistently appear during operation, is possible to complete lesion resection, structure repair, reconstruction.
So far, a variety of 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 there are one grown form, two kinds of patterns for applying tractive force, respectively：
One grown form：That is L-type, front end are the different blade of the shape for stretching into notch, angle, the depth, width, rear end
To apply the handle of tractive force.
Two kinds of application tractive effort modes：A manpowers are manually held handle and are persistently pulled, and the retraction elasticity of soft tissue is fought
With the autonomous tension of muscle；B mechanical forces pass through screw thread screw thread by the external various mechanical frameworks being connected on handle
Between relative motion generate displacement and frame stiffness, fight the retraction elastic force of soft tissue and autonomous tension.
Obviously, to visual area especially to privileged sites, as neck dissection is complicated, waist muscle strong and other
Deep visual area, it is clear, stable to appear, it is the necessary committed step of successful surgery, it might even be possible to say into appearing, defeat by aobvious
Dew.
However, so far, this committed step of all operations, be always one it is difficult, time-consuming and laborious, be full of
The process of actualised risk and follow-up potential problems.
In conclusion having at least the following problems in the prior art：In surgical operation, especially intervertebral disc operation, it is difficult to
Obtain the visual area that range is stablized.
Utility model content
The utility model provides built-in one kind, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device, i.e., a kind of use
The dilator that tissue is strutted in operation, to solve the problems, such as to be difficult to obtain the visual area of range stabilization in surgical operation.
For this purpose, the utility model proposes a kind of built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device, it is described
Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device include：
Fixinig plate and the activity template being connected on the fixinig plate, the activity template can the relatively described fixinig plate activity,
And in active procedure, enclosure space in the circumferential direction for appear visual area is surrounded between the activity template and the fixinig plate；And institute
Change in shape can be occurred with the evolution of the activity template by stating enclosure space；
Locking device is connected between the activity template and the fixinig plate.
Further, the activity template includes at least：Be sequentially connected end to end and be hinged the first activity template, second live
Movable plate and third activity template, and the first activity template, the second activity template and third activity template are the sheet of straight；
First activity template is hinged on the head end of the fixinig plate, and the third activity template is hinged on the fixinig plate
Tail end.
Further, the activity template includes：Be sequentially connected end to end and be hinged the first activity template, second activity
Piece, third activity template, the 4th activity template and the 5th activity template, first activity template, the second activity template, third activity template,
Four activity templates and the 5th activity template and the fixinig plate are the sheet of straight；
First activity template is hinged on the head end of the fixinig plate, and the 5th activity template is hinged on the fixinig plate
Tail end；
After each activity template expansion, the first activity template, the second activity template, third activity template, the 4th activity template and the 5th
Activity template and the fixinig plate connect to form circumferentially closed cuboid tubular structure；Wherein, each activity template and
The fixinig plate connects the side to form cuboid tubular structure, and the fixinig plate is opposite with the third activity template and puts down
Row, first activity template and the second activity template form 180 degree angle and the vertical fixinig plate, the 4th activity template and
5th activity template forms 180 degree angle and the vertical fixinig plate.
Further, between first activity template and the second activity template and the 4th activity template and the 5th activity
It is connected respectively by hollow hinge between piece, the locking device includes：It is inserted into guide rod, the Yi Jitong of the hollow hinge
When fix the key of first activity template and the second activity template or the 4th activity template and the 5th activity template.
Further, the structure phase of first activity template, the second activity template, the 4th activity template and the 5th activity template
Together, thickness is equal；
The key has the perforation being set on the guide rod, in the projection of the main view and overlook direction of the key
On, the perforation is positioned at the centre of the key；
The side-looking direction of the key is projected as n shapes, and the size of the opening of the n shapes is more than or equal to the thickness of the first activity template
Degree, the both ends of the key are covered simultaneously sets and blocks first activity template and the second activity template or the 4th activity template and the
Five activity templates.
Further, the fixinig plate is the sheet of straight, and the activity template is made of elastic material；
The activity template has a first end and a second end, and the first end of the activity template is fixedly connected on the fixinig plate
On；The setting that the second end of the activity template can move is on the fixinig plate；The activity template second end to described
During the first end movement of activity template, the activity template forms by curved surface with the fixinig plate and faces the circumferential envelope surrounded directly
The space closed；
The locking device movable can be connected between the activity template and the fixinig plate.
Further, the top surface of the fixinig plate is equipped with rack；
Cylindrical body is fixedly connected on the second end of the activity template, also, the bottom of the cylindrical body is equipped with and the tooth
The driven tooth of item engagement and the interconnecting piece being connected between the cylindrical body and fixinig plate；
Rotating handle is inserted into the cylindrical body and can be rotated relative to the cylindrical body.
Further, the locking device is arranged the second end in the activity template and is connect with the cylindrical body.
Further, the side of the fixinig plate is equipped with locking slot, and the locking device is to be connected to outside the cylindrical body
The cage knob of locking slot described in side and energy clamping.
Further, the cylindrical body has interior hexagon inner wall, and the rotating handle includes the spanner of outer-hexagonal shape.
The built-in of the utility model, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device, activity template can be opposite
The fixinig plate activity, and in active procedure, surrounded between the activity template and the fixinig plate in the circumferential direction for appearing visual area
Enclosure space；And with the evolution of the activity template change in shape can occur for the enclosure space, therefore, perform the operation
When initial, the built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device volume are smaller, can very easily be sent into
And it is built in the compressed gap that cutting separation is completed, length, height and to expand rear fixed area can be in step-like
State seriation meets the needs of different parts and individual.By the activity of the relatively described fixinig plate of activity template, this is built-in, from
Self inflation can be completed in expansion, 360 ° of full-shields, headroom exposure of surgical field device, that is, generate 360 ° of surrounding it is seamless shielding, it is hollow,
Totally, seamless high-wall is around erected in the visual area stablized like in a court, by the normal structure that surrounding is unrelated with operation
Structure is blocked completely except surgical procedure space.
The utility model completely eliminates visual area surrounding normal structure and certain important features from traditional drag hook two panels or number
The phenomenon that interlobate gap hernia of piece enters, squeezes into visual area.Therefore, the possibility that surrounding normal structure is accidentally injured in art is almost nil,
Has reliable safety.
In turn, 360 ° of totally enclosed plates are surrounded by the side being separated from each other, area greatly increases, to surrounding soft tissue
Unit area pressure necessarily reduce；So that the natural resiliency of soft tissue is uniformly discharged simultaneously, makes soft tissue uniform
Better tolerance is obtained under pressure, to which the possibility for making local weight cause ischemic, necrosis substantially reduces.
In turn, due to the completely built-in low side surface less than notch plane, therefore again without because manpower drag hook is in operative incision four
All more hands and patient's more people's occupy-places at one's side it is crowded, and mechanical drag hook causes in the space that visual area overhead occupies to sight
Block and increase operation apart from the problem of, and keep sight open, operation is freely；Simultaneously because the gold that the non-incision external world extends
Belong to, completely eliminate because it is reflective dazzle the eyes patient caused by influence, instead because in visual area 360 ° of smooth four wall it is reflective, disappear completely
In addition to the shade in visual area, and keep visual area bottom more bright.
Description of the drawings
Fig. 1 is the built-in of the utility model first embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Dimensional structure diagram, wherein activity template is not yet fully deployed；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the built-in of the utility model first embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Activity template be fully deployed after structural schematic diagram；
Fig. 4 is the built-in of the utility model first embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
The activity template structural schematic diagram that is fully deployed locking device that is rear, being inserted into but not yet locks；
Fig. 5 is the built-in of the utility model first embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Locking device locks the structural schematic diagram of activity template and fixinig plate；
Fig. 6 is the dimensional structure diagram of the key of the utility model first embodiment；
Fig. 7 is the main structure diagram of the key of the utility model first embodiment；
Fig. 8 is the side structure schematic view of the key of the utility model first embodiment；
Fig. 9 is the overlooking structure diagram of the key of the utility model first embodiment；
Figure 10 is the built-in of the utility model first embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Operation principle schematic diagram during surgery；
Figure 11 is the built-in of the utility model second embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Dimensional structure diagram, wherein activity template not yet moves；
Figure 12 is the built-in of the utility model second embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Dimensional structure diagram, wherein activity template moved；
Figure 13 is the dimensional structure diagram of the rotating handle of the utility model second embodiment；
Figure 14 is the structural schematic diagram of backbone lumbar vertebral posterior median incision in intervertebral disc operation；
Figure 15 is the structural schematic diagram that the paraspinal muscle group of incision in Figure 14 closes up automatically；
Figure 16 be Figure 14 in incision be put into the built-in of the utility model second embodiment, self-expanding shown in Figure 11,
The dimensional structure diagram of 360 ° of full-shields, headroom exposure of surgical field device；
Figure 17 is the built-in of the utility model second embodiment, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
Operation principle schematic diagram；
Figure 18 is the enlarged structure of incision in Figure 10.
Drawing reference numeral explanation：
100 built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device
1 fixinig plate, 2 activity template, 3 notch, 5 locking device, 7 hollow hinge, 9 rotating handle
12 enclosure space, 17 rack
The 5th activity template of 21 first 22 second activity template of activity template, 23 the 4th activity template 25 of third activity template 24
28 interconnecting piece of hexagon inner wall in 27 cylindrical bodies 270
31 paraspinal muscle groups
51 guide rod, 53 key 530 perforation, 531 opening
55 locking slot, 57 cage knob
93 knob of spanner of 91 outer-hexagonal shapes
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
The utility model.
As shown in Fig. 1, Fig. 4, Fig. 5, Figure 11 and Figure 12, the utility model proposes a kind of built-in, self-expanding, 360 ° it is full frame
It covers, headroom exposure of surgical field device 100, the built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device 100 include：
Fixinig plate 1 and the activity template 2 being connected on the fixinig plate, the activity template 2 being capable of the relatively described work of fixinig plate 1
Dynamic, fixinig plate 1 can be motionless with itself or stretch, is not folded, and activity template 2 with itself movement or stretching, extension or can then fold, and
In active procedure, enclosure space 12 in the circumferential direction for appear visual area are surrounded between the activity template 2 and the fixinig plate；The closing is empty
Between 12 close in the circumferential, but be penetrating in end direction, i.e. enclosure space 12 is tubular, and shape includes irregular shape, more
Side shape, triangle, rectangle, fusiformis, ellipse etc., and the enclosure space 12 can become with the position of the activity template 2
It changes and change in shape occurs；In order to adapt to operation needs, activity template 2 to be done with fixinig plate 1 it is thinner, to be put into figure
10, in the notch 3 of the operation of Figure 14, Figure 15, Figure 16 and Figure 17；Activity template 2 can select metal material to make with fixinig plate 1,
Closed up with stronger hardness and larger intensity, blocking the automatic of the paraspinal muscle group 31 in Figure 10 and Figure 17 in notch 3；
Locking device 5 is connected between the activity template 2 and the fixinig plate 1, by locking device 5, can adjust work
Relative position relation between movable plate 2 and the fixinig plate, so as to adjust the size and shape of enclosure space 12.
Further, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the activity template includes at least：It is sequentially connected end to end simultaneously
The first activity template, the second activity template and the third activity template being hinged, and the first activity template, the second activity template and third are lived
Movable plate is the sheet of straight；First activity template is hinged on the head end of the fixinig plate, and the third activity template is hinged on
The tail end of the fixinig plate.At least 3 activity templates and a fixinig plate, by the articulated connection and movement of 3 activity templates, i.e.,
It can be achieved to form variable enclosure space 12 between 3 activity templates and a fixinig plate.
Further, in Fig. 1 to first embodiment shown in Fig. 10, the activity template 2 includes：It is sequentially connected end to end simultaneously
The first activity template 21, the second activity template 22, third 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, third activity template 23, the 4th activity template 24 and the 5th activity template 25 and described solid
Stator 1 is the sheet of straight；The for example, sheet of rectangle, to form 360 ° of seamless screens of cuboid surrounding that operation needs
The visual area covering, is hollow, is clean, stablizing；
First activity template 21 is hinged on the head end of the fixinig plate 1, and the 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 activity template expansion, the first activity template, the second activity template, third
Activity template, the 4th activity template and the 5th activity template and the fixinig plate connect to form circumferentially closed cuboid tubular knot
Structure；Wherein, each activity template and the fixinig plate connect the side to form cuboid tubular structure, the fixinig plate 1
Opposite and parallel with the third activity template 23, first activity template, 21 and second activity template 22 forms 180 degree angle simultaneously
And the vertical fixinig plate 1, the 4th activity template 24 and the 5th activity template 25 form 180 degree angle and the vertical fixation
Piece 1, in this way, the first activity template 21 and the second activity template 22 are fully deployed, the 4th activity template 24 and the 5th exhibition completely of activity template 25
It opens, the space of enclosure space 12 is maximum, and the cuboid surrounding 3600 to form operation needs is seamless to be shielded, is hollow, clean, steady
Fixed visual area.
Further, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, between first activity template, 21 and second activity template 22, with
And it is connected respectively by hollow hinge 7 (axle sleeve type hinge) between the 4th activity template 24 and the 5th activity template 25, the lock
Tightly device 5 includes：It is inserted into the guide rod 51 of the hollow hinge 7 and fixes first activity template and the second work simultaneously
The key 53 of movable plate or the 4th activity template and the 5th activity template.
Further, the structure phase of first activity template, the second activity template, the 4th activity template and the 5th activity template
Together, thickness is equal；To use in making and performing the operation；
As shown in Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the key 53 is, for example, fastener or small-sized cover board, and key 53 has set
The perforation 530 being located on the guide rod, in the projection of the main view and overlook direction of the key, the perforation 530 is located at institute
State the centre of key 53；
The side-looking direction of the key 53 is projected as n shapes, and key 53 can essentially regard the parallel straight panel of two panels or straight as
The plate or sheet that piece is bent by one section connect, the size of the opening 531 of the n shapes (in Fig. 8, be open 531 width
Degree) it is more than or equal to the thickness of the first activity template or other each movable pieces, lid sets and blocks described simultaneously at the both ends of the key 53
First activity template and the second activity template or the 4th activity template and the 5th activity template prevent the expansion of above-mentioned each activity template,
The gathering for preventing above-mentioned each activity template makes the hold mode of above-mentioned each activity template fix.Each activity template is connected with hinge joint, is received
Hold together, expansion is unfolded, after suitable position is locked with key, is likely to be used for each section's operation of other body parts and replaces and draw
Hook.
In Fig. 1 to Figure 10 and Figure 18, the built-in of first embodiment, self-expanding, 360 ° of full-shields, headroom visual area are aobvious
Dew device can regard a cuboid as, and no bottom surface without top surface, hollow, only frame (and/or side), quadrangle is hinge
Joint connects, and two short side midpoint of rectangle has each hinge joint to connect again, and totally 6 hinge joint combinations, quadrangle hinge close
Save from 0 ° to 90 ° limit, two the first activity templates of short side and the second activity template or the 4th activity template and the 5th activity template) hinge
The limit of 90 ° to 0 ° of joint.Due to hinge joint comprehensive function, two long side fixinig plate 1 of rectangle and third activity template 23) it can be achieved
Parallel to draw close and separate, two short side central point hinges are hollow form (be hollow hinge), can be inserted into guide rod, two long sides (Gu
Stator 1 and third activity template 23) separation expansion after, external force extruding under, due to two short sides (the first activity template and the second activity template
Or the 4th activity template and the 5th activity template) in the middle part of hinge exist, and can voluntarily close up.Therefore, after expansion, respectively it is arranged one
Key is imported the insertion short side hinge of guide rod 51 using guide rod as guide rail by key 53, you can locking short side hinge joint makes point
Two long sides opened resist the extruding of powerful external force enough, effectively maintain hollow area and volume.Certainly, fixinig plate 1 and each work
Movable plate can also equal length, in this way, square bodily form visual area can be surrounded.
Further, as shown in Figure 11 to Figure 17, in second embodiment, the fixinig plate 1 is the sheet of straight, the work
Movable plate 2 is made of elastic material, and for example, spring steel is made, and not only has elasticity, but also can be bent；
The activity template 2 has a first end and a second end, and as is illustrated by figs. 11 and 12, the first end of the activity template 2 is solid
Surely it is connected on the fixinig plate 1；The setting that the second end of the activity template 2 can move is on the fixinig plate；Described
The second end of activity template 2 to the first end of the activity template move during, activity template bending, the activity template with it is described solid
Stator forms by curved surface and faces the circumferentially closed space 12 surrounded directly；
The locking device 5 movable can be connected between the activity template 2 and the fixinig plate 1, in this way, locking side
Just.
Further, as shown in figure 11, when activity template is not bent, activity template and fixinig plate are for example the square of equal length
Shape, as shown in figure 12, the top surface of the fixinig plate 1 are equipped with rack 17；
Cylindrical body 27, is fixedly connected on the second end of the activity template 2, also, the bottom of the cylindrical body 27 be equipped with
The driven tooth and 28 interconnecting pieces 28 being connected between the cylindrical body 27 and fixinig plate 1 that the rack 17 engages, being used for will
The cylindrical body 27, which is limited in, to be slided or be translatable relative to fixinig plate 1；Interconnecting piece 28 can be crotch, or curved
Plate, fixinig plate 1 are folded between interconnecting piece 28 and activity template 2；
Rotating handle 9 is inserted into the cylindrical body 27 and can be rotated relative to the cylindrical body 27.Due to cylinder
Shape body 27 is fixedly connected on the second end of the activity template 2, and rotating handle 9 is inserted into the cylindrical body 27 and relatively described
After cylindrical body 27 rotates, cylindrical body 27, which is limited in, to be slided or be translatable relative to fixinig plate 1, so, cylindrical body 27, which drives, lives
The second end of movable plate 2 is drawn close to the first end of activity template, during this, activity template bending, and the activity template and the fixation
Piece forms by curved surface and faces the circumferentially closed space 12 surrounded directly；After generating the hollow ellipse of optimum state, locks and fill by top surface
It sets and locks, generate the hollow penetrating space of 360 ° of full-shields, art finishes, and releases locking device, and reverse rotation is restored back initial
Sheet.This mode can adapt to operating space narrow in operation.
Further, the locking device 5 is arranged the second end in the activity template and is connect with the cylindrical body, with
Just easily locking or releasing locking.
Further, as is illustrated by figs. 11 and 12, the side of the fixinig plate 1 is equipped with locking slot 55, the locking device
To be connected to the cage knob 57 or locking switch of locking slot described in the cylindrical body outside and energy clamping.In this way, locking is convenient, occupy
Space is small.
Further, it includes outer-hexagonal shape that the cylindrical body 27, which has interior hexagon inner wall 270, the rotating handle 9,
Spanner 91, for turning interior hexagon inner wall 270.Rotating handle 9 further includes the rotation being connected on the spanner 91 of outer-hexagonal shape
Button 93, to increase the arm of force.
The operation principle of the utility model second embodiment is：
Become camber line according to straight line, both ends mutual connection is closed, then a circle is formed, and draw a circle to approve the principle of a piece of area, by two
The parallel isometric straight line (activity template and fixinig plate) of item a, wherein distance along another shortening both ends, so that it may form one
The semicircle or semiellipse of closure introduce formula：Perimeter=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, meets this century enough and starts
Popular lumbar vertebral posterior spatium intermusculare approach, the requirement of lumbar diskectomy and the accurate operation visual area of intervertebral decompression bone grafting fusion.
Rotating handle is inserted into the hollow dentation bolt of the cylindrical body of activity template and is rotated, the dentation of activity template and fixinig plate
Protrusion is mutually twisted, and activity template i.e. using fixinig plate as track activity, to fixed first end draw close, and keeps activity template outside by second end
Protrusion after generating the hollow ellipse of optimum state, is locked by top surface lock tooth, generates the hollow penetrating space of 360 ° of full-shields, art
Finish, release cage knob, reversely rotates and restore back initial sheet.
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 intervertenral space ligamentum flavum position), the narrow limitation in this position, and being hidden in paraspinal muscle group, the muscle group is thick and solid,
It is strong, strong, so being the difficult point in appearing, but but it is modern precisely decompression, disc removal and Intervertebral disc fusion
Ideal the only way which must be passed, embodies modern spinal surgery new idea progress and operation is horizontal.
As shown in figure 14, backbone lumbar vertebral posterior median incision 3, using bone spinous process as center line after incision, separation Ipsilateral is (narrow
Compression-side) after subcutaneous tissue and fascia, that is, manifest the paraspinal muscle group 31 of side.
As shown in figure 15, it along the spatium intermusculare blunt separation dissected naturally, that is, opens spatium intermusculare and enters deep, but have at this time
The paraspinal muscle group 31 of Spontaneous Contraction power closes up automatically again.
As shown in figure 16, by laminar built-in, self-expanding, 3600 full-shields, headroom exposure of surgical field device it is initial
State, the disposable readily separated intervertenral space of merging.
As shown in figure 17, it is inserted into simultaneously rotating handle, then self-expanding is realized in the state of built-in and low degree, with fixinig plate
It is " parados " to resist spinous process, and activity template uniformly swells expansion, generate one 360 ° it is shielding completely, hollow, clearly, stabilization
Visual area and locking, art finish, unlock, reversely rotate restore take out.
Activity template curved tabs make of high-quality spring steel, and fixinig plate makes of medical stainless steel, extension ground can length,
Stepping series is formed on width, for being adapted to more positions and different individuals；Ground is extended again, and bottom edge can become each from straight line
Kind of dissection camber line, to adapt to the physiological bending of backbone different segment, overall structure can mirror image each other, it is left and right to meet spinous process center line
The demand of both sides approach.
The utility model has the following advantages：
1. built-in, self-expanding, 360 ° of full-shields, the initial gathering volume of headroom exposure of surgical field device slight of stature, are length
Strip of sheet just corresponds to a blade of traditional drag hook, can very easily be sent into and be built in be completed and cut cutting for separation
(its length, height and to expand rear fixed area can be in step state seriation meet different parts and individual in mouthful gap
Needs).
2. after completing self-expanding, that is, the seamless shielding of 360 ° of surrounding, hollow, clean, stable visual area are generated, like one
Seamless high-wall is around erected in a court, and the surrounding normal organization unrelated with operation is blocked completely in surgical procedure space
Except (the semicircle expanding of the hinged connection structure of the first embodiment distraction forcep for being interposed therebetween gap, second embodiment is used
Rotating handle).
3. completely eliminating visual area surrounding normal structure and certain important features between traditional drag hook two panels or several pieces blades
Gap hernia the phenomenon that entering, squeezing into visual area.Therefore, the possibility that surrounding normal structure is accidentally injured in art is almost nil, and having can
The safety leaned on.
4. surrounding 360 ° of totally enclosed plates by the multi-panel being separated from each other, area greatly increases, to surrounding soft tissue
Unit area pressure necessarily reduces；So that the natural resiliency of soft tissue is uniformly discharged simultaneously, soft tissue is made uniformly to press
Better tolerance is obtained under power, to which the possibility for making local weight cause ischemic, necrosis substantially reduces.
5. due to the built-in low side surface less than notch plane completely, thus again without because manpower drag hook it is more in operative incision surrounding
Hand and patient's more people's occupy-places at one's side it is crowded, and mechanical drag hook causes the screening to sight in the space that visual area overhead occupies
Gear and increase operation apart from the problem of, and keep sight open, operation is freely；Simultaneously because the metal that the non-incision external world extends,
Completely eliminate because it is reflective dazzle the eyes patient caused by influence, instead because in visual area 360 ° of smooth four wall it is reflective, completely eliminate
Shade in visual area, and keep visual area bottom more bright.
6. its mechanical structure has specific, intuitive can be achieved under the conditions of modern material and mach precision
Property.
Ingenious, succinct, reliable to sum up, although the utility model structure is uncomplicated, it is often more important that solve outer
Clean, hollow, stable visual area required by section's especially high-grade, precision and advanced surgical procedure of modern spinal surgery privileged sites, from
And ensure the key link problem of successful surgery.
The above descriptions are merely exemplary embodiments of the present utility model, is not limited to the model of the utility model
It encloses.It can be combined with each other under conditions of not conflicting for each component part of the utility model, any those skilled in the art,
Made equivalent variations and modification under the premise of not departing from the design and principle of the utility model, it is new should all to belong to this practicality
The range of type protection.
Claims (10)
1. a kind of built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device, which is characterized in that it is described it is built-in, from
Expansion, 360 ° of full-shields, headroom exposure of surgical field device include：
Fixinig plate and the activity template being connected on the fixinig plate, the activity template can the relatively described fixinig plate activity, and
In active procedure, enclosure space in the circumferential direction for appear visual area is surrounded between the activity template and the fixinig plate；And the envelope
Change in shape can be occurred with the evolution of the activity template by closing space；
Locking device is connected between the activity template and the fixinig plate.
2. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as described in claim 1, which is characterized in that
The activity template includes at least：The first activity template, the second activity template and the third activity template for being sequentially connected end to end and being hinged,
And the first activity template, the second activity template and third activity template are the sheet of straight；
First activity template is hinged on the head end of the fixinig plate, and the third activity template is hinged on the tail of the fixinig plate
End.
3. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 2, which is characterized in that
The activity template includes：Be sequentially connected end to end and be hinged the first activity template, the second activity template, third activity template,
4th activity template and the 5th activity template, first activity template, the second activity template, third activity template, the 4th activity template and the 5th
Activity template and the fixinig plate are the sheet of straight；
First activity template is hinged on the head end of the fixinig plate, and the 5th activity template is hinged on the tail of the fixinig plate
End；
After each activity template expansion, the first activity template, the second activity template, third activity template, the 4th activity template and the 5th activity
Piece and the fixinig plate connect to form circumferentially closed cuboid tubular structure；Wherein, each activity template and described
Fixinig plate connects the side to form cuboid tubular structure, and the fixinig plate is opposite and parallel with the third activity template,
First activity template and the second activity template form 180 degree angle and the vertical fixinig plate, the 4th activity template and the
Five activity templates form 180 degree angle and the vertical fixinig plate.
4. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 3, which is characterized in that
Respectively by hollow between first activity template and the second activity template and between the 4th activity template and the 5th activity template
Hinge connection, the locking device include：It is inserted into the guide rod of the hollow hinge and fixes first activity simultaneously
The key of piece and the second activity template or the 4th activity template and the 5th activity template.
5. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 4, which is characterized in that
First activity template, the second activity template, the structure of the 4th activity template and the 5th activity template are identical, and thickness is equal；
The key has the perforation being set on the guide rod, in the projection of the main view and overlook direction of the key, institute
Perforation is stated positioned at the centre of the key；
The side-looking direction of the key is projected as n shapes, and the size of the opening of the n shapes is more than or equal to the thickness of the first activity template,
The both ends of the key are covered set and block first activity template and the second activity template or the 4th activity template and the 5th simultaneously
Activity template.
6. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as described in claim 1, which is characterized in that
The fixinig plate is the sheet of straight, and the activity template is made of elastic material；
The activity template has a first end and a second end, and the first end of the activity template is fixedly connected on the fixinig plate；Institute
Setting that the second end of activity template can move is stated on the fixinig plate；The activity template second end to the activity template
First end movement during, the activity template and the fixinig plate form by curved surface and face the circumferentially closed sky surrounded directly
Between；
The locking device movable can be connected between the activity template and the fixinig plate.
7. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 6, which is characterized in that
The top surface of the fixinig plate is equipped with rack；
Cylindrical body is fixedly connected on the second end of the activity template, also, the bottom of the cylindrical body is equipped with and is nibbled with the rack
The driven tooth of conjunction and the interconnecting piece being connected between the cylindrical body and fixinig plate；
Rotating handle is inserted into the cylindrical body and can be rotated relative to the cylindrical body.
8. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 7, which is characterized in that
The locking device is arranged the second end in the activity template and is connect with the cylindrical body.
9. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 7, which is characterized in that
The side of the fixinig plate is equipped with locking slot, and the locking device is to be connected on the outside of the cylindrical body and can be locked described in clamping
The cage knob of slot.
10. built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device as claimed in claim 7, which is characterized in that
The cylindrical body has interior hexagon inner wall, and the rotating handle includes the spanner of outer-hexagonal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184547.2U CN207613806U (en) | 2016-10-28 | 2016-10-28 | Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184547.2U CN207613806U (en) | 2016-10-28 | 2016-10-28 | Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207613806U true CN207613806U (en) | 2018-07-17 |
Family
ID=62817182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621184547.2U Withdrawn - After Issue CN207613806U (en) | 2016-10-28 | 2016-10-28 | Built-in, self-expanding, 360 ° of full-shields, headroom exposure of surgical field device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207613806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377286A (en) * | 2016-10-28 | 2017-02-08 | 邹德威 | Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device |
-
2016
- 2016-10-28 CN CN201621184547.2U patent/CN207613806U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377286A (en) * | 2016-10-28 | 2017-02-08 | 邹德威 | Internal type self-expanding 360-degree fully-shielded clearance surgery field exposure device |
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