CN103263289A - Screw-implanting sighting device used for minimally invasive surgery - Google Patents
Screw-implanting sighting device used for minimally invasive surgery Download PDFInfo
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- CN103263289A CN103263289A CN2013102023198A CN201310202319A CN103263289A CN 103263289 A CN103263289 A CN 103263289A CN 2013102023198 A CN2013102023198 A CN 2013102023198A CN 201310202319 A CN201310202319 A CN 201310202319A CN 103263289 A CN103263289 A CN 103263289A
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- sight
- positioning
- leading portion
- sighting device
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/1746—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for the acetabulum
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Abstract
The invention discloses a screw-implanting sighting device used for a minimally invasive surgery, and belongs to the field of orthopedics department medical instruments. The sighting device comprises a sighting device front section, a sighting device rear section and at least one positioning fork abutting against the anterior superior spine or the anterior inferior spine. The rear portion of the sighting device front section is movably connected with the front portion of the sighting device rear section, and the front portion and the bottom of the sighting device front section are matched with the small pelvis rim. A plurality of positioning through holes are formed in the sighting device front section, when the front portion and the bottom of the sighting device front section are attached to the small pelvis rim, the extending lines of the positioning through holes are positioned in the acetabulum posterior column, one end of the positioning fork is installed on the rear portion of the sighting device rear section, and the other end of the positioning fork bends toward one side of the sighting device rear section. The screw-implanting sighting device used for the minimally invasive surgery is simple in structure and low in cost, and due to multipoint positioning is adopted for fixing the sighting device, the sighting device has the advantages of being accurate in positioning and convenient to operate rapidly.
Description
Technical field
The present invention relates to the orthopedic medical device field, particularly a kind of screw for Minimally Invasive Surgery is implanted sight.
Background technology
Acetabular bone is positioned at hipbone lateral surface middle and lower part; constituted jointly by body of ilium, body of ischium and body of pubis; it is recessed deeply to be hemispherical; towards preceding foreign side down; and with the femoral head associated section; fracture of acetabulum is a kind of orthopaedics common but severe fracture; fracture of acetabulum generally is that the acetabular bone place is subjected to greater impact power; therefore; fracture of acetabulum can be accompanied by acetabular anterior column and impaired fracture of acetabular bone rear pillar while usually; because reasons such as the acetabular bone position is dark, dissection is complicated, the fixing difficulty that resets, and complication is many are the difficult problems in orthopaedics field always.
At present for fracture of acetabulum, the general hold-down screw that adopts is fixed the fracture affected part, in operation technique, can't precise quantification inserting needle direction, mostly present acetabular bone rear pillar implanted prosthetics is after acetabular bone rear pillar percutaneous or little otch reset, pedicle screw under X line perspective, owing to need perspective repeatedly in operation, and the difficulty of accurately implanting is bigger, some hospital uses comparatively expensive area of computer aided facility to navigate.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Because the expensive order that adopts the area of computer aided facility to navigate, so, be difficult in the treatment of fracture of acetabulum, extensively popularize.
Summary of the invention
In order to solve computer auxiliary equipment problem of ultra-high price in the prior art, the embodiment of the invention provides a kind of screw for Minimally Invasive Surgery to implant sight.Described technical scheme is as follows:
The invention provides a kind of screw for Minimally Invasive Surgery and implant sight, described sight comprises: the sight leading portion, sight back segment and at least one are resisted against the location fork on anterior superior iliac spine or the anterior inferior iliac spine, the front portion of the rear portion of described sight leading portion and described sight back segment is movably connected, the front portion of described sight leading portion and bottom surface and true pelvis edge are suitable, offer several positioning through hole on the described sight leading portion, when the front portion of described sight leading portion and bottom surface and described true pelvis edge are fitted, the extended line of described positioning through hole is positioned at the acetabular bone rear pillar, one end of described location fork is installed in the rear portion of described sight back segment, and the other end of described location fork bends towards a side of described sight back segment.
Particularly, on the anterior end face of described sight leading portion periosteal elevator is installed, described periosteal elevator is the arched roof structure, and described arched roof structure is arched upward to the rear portion of described sight leading portion by the front portion of described sight leading portion.
Particularly, the rear portion of described sight leading portion is provided with slot, and the front portion of described sight back segment is provided with the latch suitable with described slot.
Particularly, described sight also comprises length adjustment device, described length adjustment device comprises screw rod and the swivel bearing that is fixed on the described sight back segment, be provided with the screw that is complementary with described screw rod in the described sight leading portion, one end of described screw rod passes described swivel bearing and described sight back segment inserts in the described screw, and the other end of described screw rod places outside the described sight back segment.
Further, described sight also comprises the screw rod knob, and described screw rod knob is located at the described other end of described screw rod.
Particularly, the end face of described sight leading portion is provided with boss, and described positioning through hole penetrates described boss along connecting direction.
Further, described positioning through hole is provided with three, and three described positioning through hole are arranged in that described boss is triangular in shape.
Further, the inwall of described positioning through hole is provided with abutment sleeve.
Alternatively, described sight also comprises the arc limiting plate on the bottom surface, rear portion that is arranged at described sight back segment, and the inner arc radian of described arc limiting plate and the outer rim of described anterior superior iliac spine are suitable.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: it is with low cost that screw provided by the invention is implanted sight, simple in structure, and when this sight uses, the sight front end withstands the true pelvis edge, it is first point herein, the sight back segment blocks the outer rim of anterior superior iliac spine, at this moment, the outer rim of anterior superior iliac spine has and the applying of sight back segment at least at 2, the location fork of both sides is fixed with anterior superior iliac spine and anterior inferior iliac spine respectively, so just formed multipoint positioning and fixed, made sight provided by the invention have the accurate advantage in location.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the plan structure sketch map that the screw that provides of the embodiment of the invention is implanted sight;
Fig. 2 is that Fig. 1 is along the cutaway view of A-A direction;
Fig. 3 is the user mode figure that the screw that provides of the embodiment of the invention is implanted sight.
Among the figure: 1-sight leading portion, 2-sight back segment, 3-arc limiting plate, 4-latch, 5-slot, 6-screw rod, 7-screw, 8-swivel bearing, 9-screw rod knob, 10-boss, 11-abutment sleeve, 12-periosteal elevator, 13-guide pin, 14-inner arc, 15-location fork, a-acetabular anterior column, b-acetabular bone rear pillar, c-anterior superior iliac spine, d-anterior inferior iliac spine, e-true pelvis edge.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment
The invention provides a kind of screw for Minimally Invasive Surgery and implant sight, as shown in figures 1 and 3, this sight comprises: sight leading portion 1, sight back segment 2 and two are resisted against anterior superior iliac spine c respectively and anterior inferior iliac spine d goes up annoying location fork 15, the front portion of the rear portion of sight leading portion 1 and sight back segment 2 is movably connected, the front portion of sight leading portion 1 and bottom surface and true pelvis edge e are suitable, offer several positioning through hole on the sight leading portion 1, when the front portion of sight leading portion 1 and bottom surface and true pelvis edge e fit, the extended line of positioning through hole is positioned at acetabular bone rear pillar b, one end of two location forks 15 is installed in the rear portion of sight back segment 2 respectively, and two location forks 13 are symmetricly set on the both sides at sight back segment 2 rear portions, and the other end of two location forks 15 bends towards the both sides of sight back segment 2 respectively.
The screw that present embodiment provides is implanted sight in use, true pelvis edge e is withstood in the front portion of sight leading portion 1, it is first point herein, sight back segment 2 is attached to the outer rim of anterior superior iliac spine c, and at this moment, the outer rim of anterior superior iliac spine c has and 2 applyings of sight back segment at least at 2, two location forks 15 can be resisted against respectively on anterior superior iliac spine c and the anterior inferior iliac spine d, fix thereby form multipoint positioning, make sight fixing more firm, shake in the time of can effectively avoiding operating.
Need to prove that in the present embodiment, location fork 15 can have two, but not as limit, in other embodiments, location fork 15 also can have only one, is used for being resisted against anterior superior iliac spine c or anterior inferior iliac spine d.
Alternatively, the width of sight leading portion 1 and sight back segment 2 can be respectively 4～6cm.
In a kind of embodiment of inventive embodiments; as shown in Figure 2; on the anterior end face of sight leading portion 1 periosteal elevator 12 is installed; periosteal elevator 12 is the arched roof structure; this arched roof structure is arched upward to the rear portion of sight leading portion 1 by the front portion of sight leading portion 1; periosteal elevator 12 is for separating of iliacus and true pelvis edge e; when using sight; periosteal elevator 12 can withstand iliacus; so not only can protect abdominal cavity and iliacus; can also effectively enlarge surgical field of view, make things convenient for operation technique.
In conjunction with above-mentioned embodiment, in the another kind of embodiment of inventive embodiments, the rear portion of sight leading portion 1 is provided with slot 5, and the front portion of sight back segment 2 is provided with the latch 4 suitable with slot 5.This slot 5 extends along the length direction of sight leading portion 1, and similarly, this latch 4 extends along the length direction of sight back segment 2.By the cooperate coarse adjustment that can realize sight length of slot 5 with latch 4, wherein, can enclose the big material of one deck frictional force on the contact surface of slot 5 and latch 4, as silica gel, rubber etc., can increase the frictional force between slot 5 and the latch 4 like this, make the connection between the two more firm.
In conjunction with above-mentioned embodiment, in the another kind of embodiment of inventive embodiments, this sight can also comprise length adjustment device, length adjustment device comprises screw rod 6 and the swivel bearing 8 that is fixed on the sight back segment 2, be provided with the screw 7 that is complementary with screw rod 6 in the sight leading portion 1, in sight back segment 2, one end of screw rod 6 passes swivel bearing 8 and sight back segment 2 inserts in the screw 7, in addition, also can be provided with the screw 7 that is complementary with screw rod 6 in the sight leading portion 1, make an end of screw rod 6 pass the screw 7 of swivel bearing 8 and sight leading portion 1 and insert in the screw 7 of sight back segment 2, the other end of screw rod 6 places outside the sight back segment 2, this length adjustment device can be realized accurate adjusting to the length of the sight mode by threaded adjusting, simultaneously, can also make sight more firm.
Preferably, sight also comprises screw rod knob 9, and screw rod knob 9 is located at the other end of screw rod 6, this screw rod knob 9 is installed can be made things convenient for rotary screw 6.
Preferably, as shown in Figure 2, the end face of sight leading portion 1 is provided with boss 10, and in the present embodiment, this boss 10 is limited by first side and second side.Angle between the end face of this first side and sight leading portion 1 is the acute angle (see figure 1), and this boss 10 is triangular in shape along the cross section of the length direction of sight.Further, this first side semicircular in shape, this second side is cambered surface.Positioning through hole connects boss 10 and passes first side of boss 10, and this first side is preferably vertical with the perforation direction of positioning through hole 11.If this boss 10 not, then user is in operating process, be not easy to see clearly positioning through hole on the end face that is arranged on sight leading portion 1, by this boss 10 is installed, positioning through hole is extended on first side of boss 10 by the end face of sight leading portion 1, be convenient to user when using this sight, observe the positioning through hole on the boss 10, and guide pin 13 is inserted in the positioning through hole exactly.Know that easily this boss 10 also can be square or rectangular structure, as long as this boss 10 can be higher than the end face of sight leading portion 1, and positioning through hole can extend on the side of this boss 10, and the sight line homonymy of this side and user.
Further, positioning through hole is provided with three, three positioning through hole can triangular in shapely be arranged on boss 10, preferably, three positioning through hole are equilateral triangle at boss 10 and arrange, in addition, three positioning through hole also can be vertically to arrange along the length direction of this sight leading portion 1 on boss 10, also can be transversely arranged along the width of sight leading portion 1.At different human body, the shape of its pelvis has larger difference, these three positioning through hole can guarantee the accurate of sight location, when using sight, guide pin 13 placed respectively in the different abutment sleeves 11 carry out the X-ray three-dimensional imaging, thereby select accurate in locating sleeve 11 and inserting needle the most, in addition, when the positioning through hole of actual processing sight, process the pelvis model earlier, the sight that adapts to the pelvis physiological curve at this pelvis modelling, sight with undressed positioning through hole is fixed on the pelvis model again, make location fork 15 and will locate the rear portion that fork 1 is fixed on sight back segment 2 according to the size of pelvis model then, utilize laser-beam drilling machine oppositely to punch from acetabular bone rear pillar b direction, and sight leading portion 1 punched, namely get positioning through hole, again abutment sleeve 11 is assembled in the positioning through hole, namely make the parent model of sight, utilize this parent model can set up 3-D graphic, adopt machining or formed in mould mode to produce in batches, and at left and right sides acetabular bone, should divide left and right sides amphitypy, mirror image is processed each other, this sight can adopt the material that can penetrate X-ray to make, make things convenient in the art and develop, simultaneously, can make the sight that adapts to the pelvis physiological curve at the pelvis model.
Preferably, can also be provided with abutment sleeve 11 on the inwall of positioning through hole, this abutment sleeve 11 plays the effect of reinforcing.
Further, abutment sleeve 11 can be metal sleeve, in order to reduce X-ray three-dimensional imaging number of times, reduce the damage that the X-ray radiation causes the patient, simultaneously can save patient's surgery cost, abutment sleeve 11 adopts metal material to make, because human body acetabular bone rear pillar b has certain size, and guide pin 13 is thinner, therefore with the human body in the one-piece type scope, even the size dimension of pelvis and shape have certain difference, also can guarantee to have at least the extended line of one piece of abutment sleeve 11 can penetrate acetabular bone rear pillar b fully fully.
Further, this sight can also comprise guide pin 13, and the internal diameter of the diameter of guide pin 13 and abutment sleeve 11 is complementary, and this guide pin 13 is used for passing abutment sleeve 11 and being implanted in the acetabular bone rear pillar b.
In conjunction with above-mentioned embodiment, in the another kind of embodiment of inventive embodiments, as shown in Figure 2, this sight also comprises the arc limiting plate 3 on the bottom surface, rear portion that is arranged at this sight back segment 2, and inner arc 14 radians of arc limiting plate 3 and the outer rim of anterior superior iliac spine c are suitable, wherein, the inner arc 14 of arc limiting plate 3 blocks the outer rim of anterior superior iliac spine c, the inner arc 14 of the outer rim of anterior superior iliac spine c and arc limiting plate 3 is fitted at this moment, and so further the position of fixed index guarantees accurate positioning.
Adopt the operating process of sight provided by the invention as follows: for acetabular anterior column a and acetabular bone rear pillar b while fracture patient, the acetabular anterior column a that resets earlier, the operative incision place by acetabular anterior column a inserts sight leading portion 1 afterwards; For the patient who only is acetabular bone rear pillar b fracture, can cut the osculum about a 5cm at the crista iliaca middle part, insert sight leading portion 1 from incision, iliacus is upwards pushed and is inwardly pushed always open sight leading portion 1 with periosteal elevator 12 afterwards, be positioned at true pelvis edge e until sight leading portion 1, make the front portion of sight leading portion 1 withstand true pelvis edge e, then the turn screw rod 6, make sight back segment 2 constantly cut and move inward, fasten outer rim and the chucking of anterior superior iliac spine c until arc limiting plate 3, pull to anterior superior iliac spine c and anterior inferior iliac spine d with two location forks 15 this moment, and will locate fork 15 with Kirschner wire and fix with anterior superior iliac spine c and anterior inferior iliac spine d, carry out the X-ray three-dimensional perspective then, select the abutment sleeve 11 of suitable angle; At last guide pin 13 is placed in the abutment sleeve 11, tighten screw, finish operation technique.
The suitable configuration of employing of the present invention and true pelvis edge physiological curve adopts the multipoint positioning fixed index as the profile of sight, and has adopted with the acetabular bone rear pillar and be in collinear abutment sleeve as positioner, the location accurately, simple operation.Sight provided by the invention can be inserted from the acetabular anterior column operative incision, need not patient's acetabular bone rear pillar place is cut, greatly reduced the iatrogenic injury to the patient, secondly, sight and human pelvis physiological curve coupling are fitted closely with skeleton, this moment, the extended line of abutment sleeve was positioned at the acetabular bone rear pillar, it is very accurate to locate, and, adopt the multipoint positioning fixed index, shake in the time of can effectively avoiding the inserting needle operation, at last, the present invention is simple in structure, and is with low cost, easy and simple to handle, can greatly shorten operating time, reduce the suction volume of patient's anaesthetic, improve operation safety.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a screw that is used for Minimally Invasive Surgery is implanted sight, it is characterized in that, described sight comprises: sight leading portion (1), sight back segment (2) and at least one are resisted against the location fork (13) on anterior superior iliac spine (c) or the anterior inferior iliac spine (d), the front portion of the rear portion of described sight leading portion (1) and described sight back segment (2) is movably connected, the front portion of described sight leading portion (1) and bottom surface and true pelvis edge (e) are suitable, offer several positioning through hole on the described sight leading portion (1), when the front portion of described sight leading portion (1) and bottom surface and described true pelvis edge (e) are fitted, the extended line of described positioning through hole is positioned at acetabular bone rear pillar (b), one end of described location fork (13) is installed in the rear portion of described sight back segment (2), and the other end of described location fork (13) bends towards a side of described sight back segment (2).
2. sight according to claim 1, it is characterized in that, periosteal elevator (12) is installed on the anterior end face of described sight leading portion (1), described periosteal elevator (12) is the arched roof structure, and described arched roof structure is arched upward to the rear portion of described sight leading portion (1) by the front portion of described sight leading portion (1).
3. sight according to claim 1 and 2 is characterized in that, the rear portion of described sight leading portion (1) is provided with slot (5), and the front portion of described sight back segment (2) is provided with the latch (4) suitable with described slot (5).
4. according to claim 1 or 2 or 3 described sights, it is characterized in that, described sight also comprises length adjustment device, described length adjustment device comprises screw rod (6) and is fixed on swivel bearing (8) on the described sight back segment (2), be provided with the screw (7) that is complementary with described screw rod (6) in the described sight leading portion (1), one end of described screw rod (6) passes described swivel bearing (8) and described sight back segment (2) inserts in the described screw (7), and the other end of described screw rod (6) places outside the described sight back segment (2).
5. sight according to claim 4 is characterized in that, described sight also comprises screw rod knob (9), and described screw rod knob (9) is located at the described other end of described screw rod (6).
6. according to each described sight of claim 1-5, it is characterized in that the end face of described sight leading portion (1) is provided with boss (10), described positioning through hole connects direction along positioning through hole and penetrates described boss (10).
7. sight according to claim 6 is characterized in that, described positioning through hole is provided with three, and three described positioning through hole are gone up triangular in shape arranging at described boss (10).
8. according to each described sight of claim 1-7, it is characterized in that the inwall of described positioning through hole is provided with abutment sleeve (11).
9. sight according to claim 8 is characterized in that, described abutment sleeve (11) is metal sleeve.
10. according to each described sight of claim 1-9, it is characterized in that, described sight also comprises the arc limiting plate (3) on the bottom surface, rear portion that is arranged at described sight back segment (2), and inner arc (14) radian of described arc limiting plate (3) and the outer rim of described anterior superior iliac spine (c) are suitable.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202319.8A CN103263289B (en) | 2013-05-28 | 2013-05-28 | Screw-implanting sighting device used for minimally invasive surgery |
| PCT/CN2013/080177 WO2014190607A1 (en) | 2013-05-28 | 2013-07-26 | Screw implantation sighting device used for minimally invasive surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310202319.8A CN103263289B (en) | 2013-05-28 | 2013-05-28 | Screw-implanting sighting device used for minimally invasive surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103263289A true CN103263289A (en) | 2013-08-28 |
| CN103263289B CN103263289B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310202319.8A Expired - Fee Related CN103263289B (en) | 2013-05-28 | 2013-05-28 | Screw-implanting sighting device used for minimally invasive surgery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103263289B (en) |
| WO (1) | WO2014190607A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103845104A (en) * | 2014-03-19 | 2014-06-11 | 张英泽 | Anterior superior iliac spine and iliac creast fixing connection device capable of dispersing stress |
| CN105193491A (en) * | 2015-08-18 | 2015-12-30 | 容可 | Intramedullary nail far-end laser locking aiming device |
| CN114081611A (en) * | 2021-10-27 | 2022-02-25 | 常熟市第二人民医院 | Aiming device for quickly implanting sacrum-penetrating sacroiliac joint fixing screw |
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| CN2661117Y (en) * | 2003-09-05 | 2004-12-08 | 王庆贤 | Alignment device for acetabulum anterior column pull screw |
| US20100298834A1 (en) * | 2007-11-27 | 2010-11-25 | Hildebrandt Bernhardt | Device and apparatus for performing an endoprosthesis implantation |
| CN201624768U (en) * | 2010-03-01 | 2010-11-10 | 徐荣明 | Guider for lower cervical vertebra anterior vertebral pedicle screw implantation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103845104A (en) * | 2014-03-19 | 2014-06-11 | 张英泽 | Anterior superior iliac spine and iliac creast fixing connection device capable of dispersing stress |
| US10376288B2 (en) | 2014-03-19 | 2019-08-13 | Yingze Zhang | Fixing and connecting apparatus with stress-dispersing capability for anterior superior spine and iliac crest |
| CN105193491A (en) * | 2015-08-18 | 2015-12-30 | 容可 | Intramedullary nail far-end laser locking aiming device |
| CN114081611A (en) * | 2021-10-27 | 2022-02-25 | 常熟市第二人民医院 | Aiming device for quickly implanting sacrum-penetrating sacroiliac joint fixing screw |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014190607A1 (en) | 2014-12-04 |
| CN103263289B (en) | 2015-03-25 |
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