CN105662571A - Same-plane and equal-angle swinging orthopaedic guide reset pliers - Google Patents
Same-plane and equal-angle swinging orthopaedic guide reset pliers Download PDFInfo
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- CN105662571A CN105662571A CN201610159544.1A CN201610159544A CN105662571A CN 105662571 A CN105662571 A CN 105662571A CN 201610159544 A CN201610159544 A CN 201610159544A CN 105662571 A CN105662571 A CN 105662571A
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
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Abstract
The invention relates to a pair of same-plane and equal-angle swinging orthopaedic guide reset pliers, which belongs to the field of orthopaedic medical appliances. The pair of orthopaedic guide reset pliers comprises two plier arms and a guide sleeve (1), wherein a same-plane and equal-angle swinging mechanism which is used for realizing the equal-angle opening and closing of the pliers is arranged between the two plier arms. The pair of orthopaedic guide reset pliers is characterized in that the same-plane and equal-angle swinging mechanism is connected with a fixed limiting piece (8) which makes the plier arms swing on the same horizontal plane, the guide sleeve (1) is installed on the upper end of one plier arm through a parallel keeping mechanism, and measurement clamping mechanisms which is used for realizing the clamping of the plier arms are arranged on the lower ends of the two plier arms. According to the pair of same-plane and equal-angle swinging orthopaedic guide reset pliers, the parallel keeping mechanism and the same-plane and equal-angle swinging mechanism which makes the plier arms swing on the same swinging plane are arranged, so that the effects of accuracy in drilling and easiness in operation during fixing are achieved, the reset and guide of an internal fixture are simultaneously completed, the guide accuracy is increased, and the operation time is saved.
Description
Technical field
The bone guide angularly swung with plane, to reduction forceps, belongs to orthopedic medical device field.
Background technology
At treatment intercondylar fracture of the humerus, supracondylar fracture of the humerus, fracture of medical condyle of the humerus, during lateral condylar fracture, owing to the ulnar nerve ditch of side and radial nerve after ulnar nerve walks in interior upper condyle are close to the reason in bone face at humerus lateral epicondyle ridge place, be expert at interior outside when threading a needle fixing traditional way be outside combined approach in conventional line, the lower reduction of the fracture of direct-view, blind thread a needle after, whether row perspective confirms the discrepancy point of drill bit and bores out the length of offside desirable again, because a point cannot determine a straight line when threading a needle, the ideal that vital tissue can be avoided to damage cannot be accurately found to bore out point after causing drill bit to bore from inlet point. if also needing repeatedly to adjust undesirable, cause operating time to extend, operation wound is big, increases patient suffering and time of recovery, and has the risk of higher iatrogenic injury important blood vessels nerve in the blind process worn.
Existing orthopaedics reduction forceps great majority only have the effect of reset, by the sclerotin replacement and fixation of fracture, and cannot pilot bore hole. At bone guide disclosed in Chinese invention patent 201310604750.5 in reduction forceps, although pilot bore hole can also be carried out after carrying out sclerotin reset, but, actually operating still exists some not enough. 1, the retaining plate structure limiting two caliper motions in this patent is also comparatively complicated, also there is not smooth situation of sliding in operation in left and right two guide paths and left and right slide block, once retaining plate and slide block distortion or rough, just there will be slip not smooth, thus cause the enforcement failure of reduction forceps, and then add operating difficulty, and even causing operative failure, this is the serious shortcoming of comparison. 2, this patent needs to rely on other bigger restriction left and right caliper motion retaining plate mechanism, limit two calipers and two and clamp point at same move in plane, in operation, retaining plate can occupy the bigger operation technique space, inner side of pincers arm, it is possible to can on fracture soft tissue compressing around, affect the reduction of the fracture and operation carries out. Though 3, being provided with the card engaged tight face tooth between retaining plate with two calipers, it is possible to pressurize after completing reset automatic clamping, but does not have de-chucking mechanism, causes and unlocks difficulty, bring inconvenience to surgical doctor operation.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, there is provided a kind of by arranging parallel maintaining body and the same plane angularly tilting mechanism making pincers arm swing in same swinging plane, by fixing spacing part will with plane angularly tilting mechanism wrap, avoid causing location inaccurate when swinging because of pincers arm appearance skew and dislocation, and accurately locate when achieving fixing simultaneously and lead, the bone guide saving operating time is to reduction forceps.
The technical solution adopted for the present invention to solve the technical problems is: this bone guide angularly swung with plane is to reduction forceps, comprise two pincers arms and pilot sleeve, it is provided with, between two pincers arms, the same plane angularly tilting mechanism realizing its angularly folding, it is characterized in that: described same plane angularly tilting mechanism and/or pincers arm both sides be provided with fixing spacing part, fixing spacing part clamping with plane angularly tilting mechanism or pincers arm pincers arm is swung in same plane, pilot sleeve is arranged on, by parallel maintaining body, the upper end that is clamped arm.
Preferably, described fixing spacing part comprises and is separately positioned on the same plane angularly front shoe of tilting mechanism front and rear sides and rear fixed plate, front shoe and rear fixed plate respectively with same plane angularly tilting mechanism be rotationally connected, front shoe and rear fixed plate are connected as one by the web plate of upper end.
Preferably, described parallel maintaining body comprises fixed link, governor lever and sliding connector, fixed link one end is fixedly connected with fixing mounting block, the other end and the lower end of governor lever are hinged, governor lever upper end and pilot sleeve are rotationally connected, and sliding connector is fixedly connected with to pilot sleeve and corresponding pincers arm simultaneously.
Preferably, described sliding connector comprises arcuate guide cover and overlaps the arc-shaped guide plate coordinated with arcuate guide, and arcuate guide bar upper end is connected with pilot sleeve, and lower end is provided with the slide of arc; Arcuate guide cover is fixed on described pincers arm upper end, and the chute that arcuate guide bar lower slide sheet slips into and skids off is offered in its inside, is provided with ball in chute.
Preferably, the lower end clamping arm at described two is provided with for realizing the tight measurement clamping body of pincers arm card, measure clamping body to comprise the tooth bar being arranged on a pincers arm bottom and be arranged on the latch of another pincers arm bottom, the upper surface of tooth bar is evenly provided with the ratchet coordinated with latch; At the graduated scale that ratchet bottom is provided with ratchet length coordinates.
Preferably, described tooth bar is rotationally connected with pincers arm, and pincers arm is fixed with the elasticity parts compressing tooth bar, and elasticity parts promote tooth bar to engage with latch.
Preferably, one or two in described two pincers arms is also provided with limiting plate, on the outer side that the upper/lower terminal of limiting plate is separately fixed at corresponding pincers arm and interior side, another is clamped arm and is clipped between limiting plate plate face and corresponding pincers arm by the plate face of limiting plate.
Preferably, being connected to one section of arc in the upper end of described two pincers arms and connect section, pilot sleeve is arranged on the upper end that one of them pincers arm arc connects section; Described same plane is hinged with two pincers arms while that angularly tilting mechanism being connected with fixing spacing part also.
Preferably, described same plane angularly tilting mechanism comprise the cylinder being separately positioned on two pincers arm relative inner, the side that two cylinders are adjacent is provided with the tooth being meshed, and on two cylinders, the transmitting ratio of tooth is 1:1.
Preferably, the both sides of described cylinder are rotationally connected with the front shoe and rear fixed plate of fixing spacing part simultaneously, and in fixing spacing part, front shoe is fixedly connected with the bottom of rear fixed plate simultaneously.
Compared with prior art, the useful effect that the present invention has is:
1, at the bone guide originally angularly swung with plane in reduction forceps, by arranging parallel maintaining body and the same plane angularly tilting mechanism making pincers arm swing in same swinging plane, accurately hole when achieving fixing, easily operation, also the guiding to inside-fixture is completed while completing to reset, improve the precision of guiding, save operating time.
2, at the bone guide originally angularly swung with plane in reduction forceps, engage each other and transmitting ratio is the left gear post of 1:1, left rotary shaft and right gear post, right spindle by arranging, and left and right gear post is wrapped by the fixing spacing part being perpendicular to left and right gear post, realize left right clamp arm and first and second clamping is most advanced and sophisticated angularly swings in same swinging plane, and accurately locate time fixing and lead, save operating time, and realize Minimally Invasive Surgery. Meanwhile, decrease when swing because pincers arm occurs that skew and the generation misplacing and causing location inaccurate and iatrogenic injury first clamp the risk of vital tissue around most advanced and sophisticated cone point.
3, owing to fixed link is in horizontality all the time, pilot sleeve 1 principle that meeting is mutually parallel with fixed link all the time in the process of movement is regulated by combine regulation bar, guarantee that pilot sleeve is in the state of level all the time, predetermined direction of threading a needle (the first clamping is most advanced and sophisticated) is pointed in the direction that its tip refers to all the time, and can not offset, facilitate the location of surgical doctor when performing the operation, boring, fixing.
4, the arc connection section being connected to left clamp arm and right clamp arm upper end is protruded outside left and right two, ensure that the inner side of left clamp arm and right clamp arm has enough spaces, the placement of bone during convenient operation. It is convenient to that fracture carries out clamping reset, it is possible to adapt to more serious fracture simultaneously. If fracture breaks as multiple bulk, simple employing two chucks cannot reset, and this connects section with bone guide that plane angularly swings to the arc of reduction forceps can make all osteocommas reset at together, and reset effect is better.
5, the latch being respectively arranged with tooth bar and matching with tooth bar upper end ratchet bottom the fingerstall of left clamp arm and right clamp arm. Left clamp arm and right clamp arm equidistantly open injury is fixedly clamped time, left clamp arm and right clamp arm clamping process in, the latch of the lower end of right clamp arm can be stuck on the ratchet of a certain of latch upper end and complete to fix, and does not therefore need extra stationary installation.
6, owing to latch can remain trend upwards under the effect of reed, therefore the latch of right clamp arm bottom tightly and can not can take off by pine with the ratchet card on the latch of left clamp arm bottom.
7, at left clamp arm and right clamp arm after tight by tooth bar and latch card, the scale of actual operation clamping can be read by graduated scale, facilitate surgical doctor to the anticipation of clamp distance.
8, left clamp arm and right clamp arm are entered and are connected by left and right limiting plate, further limit left right clamp arm in same planar motion, and structure is very simple, substantially increases the accuracy and reliability of reduction forceps.
9, simultaneously owing to the location in surgical procedure and guiding are comparatively accurate, therefore otch and wound can be reduced as much as possible when performing the operation, it is beneficial to post-surgical trauma healing, joint function recovery, reduce operation wound, reduce the probability that wound occurs to infect, simultaneously due to less otch, wound, belong to Minimally Invasive Surgery, there is curative effect attractive in appearance.
Accompanying drawing explanation
Fig. 1 is that the bone guide that angularly swings of same plane is to reduction forceps front view.
Fig. 2 is that the bone guide that angularly swings of same plane is to reduction forceps rear view.
Fig. 3 is A place enlarged view in Fig. 1.
Fig. 4 is B place amplification front elevation in Fig. 1.
Fig. 5 is B place amplification rearview in Fig. 1.
Fig. 6 is C place amplification rearview in Fig. 1.
Fig. 7 is that the bone guide that same plane angularly swings clamps most advanced and sophisticated and the 2nd clamping cutting-edge structure schematic diagram to reduction forceps embodiment 2 first.
Fig. 8 is that the bone guide that same plane angularly swings clamps most advanced and sophisticated and the 2nd clamping cutting-edge structure schematic diagram to reduction forceps embodiment 3 first.
Wherein: 1, pilot sleeve 2, passage 3, arcuate guide bar 4, sleeve pin joint 5, arcuate guide cover 6, governor lever 7, right clamp arm 8, fixing spacing part 9, fixed link 10, fingerstall 11, left clamp arm 12, arc connects section 13, guide path 14, cone point 15, bulb 16, clamping point 17, left limiting plate 18, left rotary shaft 19, left gear post 20, left gear 21, web plate 22, right gear 23, right gear post 24, right spindle 25, right limiting plate 26, reed 27, tooth bar 28, latch 29, graduated scale 30, front shoe 31, rear fixed plate 32, scarp.
Embodiment
Fig. 1 ~ 6 are the most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 8, the present invention will be further described.
Embodiment 1:
As shown in Figure 1 and 2, the bone guide that a kind of same plane angularly swings is to reduction forceps, comprising left clamp arm 11 and right clamp arm 7, left clamp arm 11 and right clamp arm 7 are crisscross arranged and swingable are realized by fixing spacing part 8 fixing, and the cross-point of left clamp arm 11 and right clamp arm 7 is positioned at the bottom of fixing spacing part 8. It is respectively arranged with about one corresponding fingerstall 10 at the lower end of left clamp arm 11 and right clamp arm 7, facilitates surgical doctor to carry out clamping operation. Connecting section 12 by one section of arc respectively in the upper end of left clamp arm 11 and right clamp arm 7 and be provided with the first clamping tip and the 2nd clamping tip, the first clamping tip and the 2nd left and right, clamping tip are oppositely arranged. The arc connection section 12 being connected to left clamp arm 11 and right clamp arm 7 upper end is protruded outside left and right two, ensure that the inner side of left clamp arm 11 and right clamp arm 7 has enough spaces, decrease the compressing to injury soft tissue, also it is beneficial to the exposure of visual area and fracture is carried out clamping and reset, to facilitate surgical doctor to operate, especially when more serious fracture simple employing two chucks cannot reset.
As shown in Figure 1, on the face, right side of fixing spacing part 8, level is fixed with a fixed link 9, the lower end of governor lever 6 is hinged on the end of fixed link 9, and the right-hand member of pilot sleeve 1 is hinged on the upper end of governor lever 6 by sleeve pin joint 4, axially offers the passage 2 that drill bit passes in pilot sleeve 1. Pilot sleeve 1 is provided with arcuate guide bar 3, arcuate guide bar 3 bottom is provided with slidably arc slide, the upper end connecting section 12 at above-mentioned right clamp arm 7 upper arcuate is provided with arcuate guide cover 5, overlap in 5 in arcuate guide and offered chute, the slide of arcuate guide bar 3 bottom is slidably placed in the chute of arcuate guide cover 5, overlap in the chute of 5 in arcuate guide and also it is provided with ball (not shown in FIG.), to facilitate the slide of arcuate guide bar 3 bottom to slip into and skid off.
Can adopting directly fixing form between above-mentioned pilot sleeve 1 and arcuate guide bar 3, such as welding or Construction integration, now there is not relative movement in pilot sleeve 1 and arcuate guide bar 3. Can also adopting the structure that adjustable is set with between pilot sleeve 1 and arcuate guide bar 3, now can there is relative movement in pilot sleeve 1 and arcuate guide bar 3, it is achieved the adjustment of pilot sleeve 1 position in arcuate guide bar 3.When adopting the form of suit to be connected and fixed between pilot sleeve 1 and arcuate guide bar 3, need to arrange locking structure on arcuate guide bar 3 top to be locked by pilot sleeve 1, avoid in surgical procedure, occur between pilot sleeve 1 and arcuate guide bar 3 sliding.
As shown in Figure 3, being arranged on arc above left clamp arm 11, to connect the first clamping of section 12 upper end most advanced and sophisticated and be arranged on the end that arc above right clamp arm 7 connects the 2nd clamping of section 12 upper end most advanced and sophisticated and be the cone point guide end being provided with multiple cone point 14. Having offered guide path 13 in the central position of the sharp guide end of the cone that the first clamping is most advanced and sophisticated, multiple cone points 14 are evenly opened in the border of guide path 13 notch; In the cone point guide end that the 2nd clamping is most advanced and sophisticated, multiple cone points 14 of cone point guide end are arranged on the opening place of pilot sleeve 1 interior passageway 2, guide path 13 setting corresponding to the passage about 2 of pilot sleeve 1. The groove of gap-forming taper between the adjacent two cone points 14 of cone point guide end.
Overlap 5 by above-mentioned arcuate guide and also it is provided with auxiliary clamping tip, the most advanced and sophisticated arc-shaped connecting rod comprising two-part of auxiliary clamping, arc-shaped connecting rod comprises active segment and fixing section, active segment and fixing section are the connected structure of two-part, wherein the section of fixing is fixed on inside arcuate guide cover 5, and the end winding support of movable end has bulb 15, is provided with clamping point 16 in the end of bulb 15, after the active segment of arc-shaped connecting rod and fixing section grafting complete, bulb 15 is positioned at the most advanced and sophisticated underface of the 2nd clamping. When needs use auxiliary clamping tip to carry out auxiliary positioning clamping, the active segment of arc-shaped connecting rod and fixing section are carried out grafting by operator, after grafting completes, auxiliary clamping can be carried out by clamping point 16 when performing the operation, it is to increase the reliability of clamping. The inboardend at auxiliary clamping tip can also directly be fixed on right clamp arm 7.
As shown in Fig. 4 ~ 5, above-mentioned left clamp arm 11 and right clamp arm 7 are provided with same plane angularly tilting mechanism, by same plane angularly tilting mechanism realize left clamp arm 11 and right clamp arm 7 angularly open or closed. With plane angularly tilting mechanism comprise the left gear post 19 of the corresponding inner side being arranged on left clamp arm 11 and right clamp arm 7 respectively and right gear post 23 and left rotary shaft 18 and right spindle 24, left rotary shaft 18 completes left clamp arm 11 through the left gear post 19 of left clamp arm 11 and fixes being connected and fixed of spacing part 8, right spindle 24 completes right clamp arm 7 through the right gear post 23 of right clamp arm 7 and fixes being connected and fixed of spacing part 8, and left gear post 19 and right gear post 23 are the column body being perpendicular to fixing spacing part 8 plate face. Left gear post 19 inside edge of left clamp arm 11 is provided with left gear 20, right gear post 23 inside edge of right clamp arm 7 is provided with right gear 22 simultaneously, left gear 20 and right gear 22 engage each other and transmitting ratio is 1:1, owing to left gear post 19 and right gear post 23 are the design of vertical bar shape, therefore stability during engagement is considerably increased, can reduce and pendulum partially occurs, thus the arc that ensure that the left and right sides connects section 12 equidistant opening and closing in same plane. Therefore left clamp arm 11 and right clamp arm 7 are angularly swing in same plane when opening and closing. Left gear 20 and right gear 22 are fan tooth, and structure is simple.
When left clamp arm 11 and right clamp arm 7 equidistantly open, left clamp arm 11 and right clamp arm 7 equidistantly open outside two, while wherein right clamp arm 7 outwards equidistantly opens, owing to pilot sleeve 1 is sleeved on arcuate guide cover 5 inside by arcuate guide bar 3, it is positioned at the upper end of right clamp arm 7, and the upper end thereof of the right-hand member of pilot sleeve 1 and governor lever 6, therefore right clamp arm 7 is outwardly simultaneously, driving pilot sleeve 1 to move laterally, pilot sleeve 1 promotes the upper end of governor lever 6 to move laterally by the upper end of arcuate guide bar 3.Hinged owing to being between pilot sleeve 1, governor lever 6 and fixed link 9, so pilot sleeve 1, governor lever 6 and fixed link 9 can be considered three limits of parallelogram, and as two corresponding up and down limits, owing to fixed link 9 is in horizontality all the time, pilot sleeve 1 can be mutually parallel with fixed link 9 all the time in the process of movement, the direction that pilot sleeve 1 tip refers to can not offset, namely pilot sleeve 1 points to predetermined direction of threading a needle all the time, facilitates the location of threading a needle of doctor when performing the operation. When left clamp arm 11 and right clamp arm 7 equidistantly open or close up, along with the movement of pilot sleeve 1, the slider bar below arcuate guide bar 3 can overlap 5 inside from arcuate guide and slip into or skid off, to coordinate the movable of pilot sleeve 1.
Fixing spacing part 8 comprises the front shoe 30 and rear fixed plate 31 that are separately positioned on left clamp arm 11 and right clamp arm 7 front end, and front shoe 30 and rear fixed plate 31 realize from forward and backward two ends respectively to same plane angularly the blocking and limit left gear post 19 and right gear post 23 relative shift of tilting mechanism. Connected as one by web plate 21 in the upper end of front shoe 30 and rear fixed plate 31. On the front shoe 30 that above-mentioned left rotary shaft 18 and the end of right spindle 24 are separately fixed at fixing spacing part 8 and rear fixed plate 31. By fixing spacing part 8, by the same plane that is arranged on left clamp arm 11 and right clamp arm 7, angularly tilting mechanism cover is therein, while both ensure that left clamp arm 11 and right clamp arm 7 can equiangularly swing, can left clamp arm 11 and right clamp arm 7 be carried out spacing again, decrease meshing error between left gear post 19 and right gear post 23, reduce left right clamp arm cone point further and cause the first clamping tip and the most advanced and sophisticated error produced of the 2nd clamping when clamping due to holding force.
In surgical procedure, surgical doctor is when carrying out clamping position by fingerstall 10, owing to the length of left clamp arm 11 and right clamp arm 7 is longer, therefore skew and dislocation occur once finger force left clamp arm 11 and right clamp arm 7, then the first clamping tip and the 2nd clamping tip can occur skew equally and misplace, cause location inaccurate, the process of impact operation and effect. Therefore at the bone guide originally angularly swung with plane to, in reduction forceps, also correspondence is provided with left limiting plate 17 and right limiting plate 25 respectively on left clamp arm 11 and right clamp arm 7, prevent left clamp arm 11 and right clamp arm 7 from skew and dislocation occurring in clamping process further.
As shown in Fig. 4 ~ 5, the setting corresponding to the bottom of left clamp arm 11 of the shape of left limiting plate 17, and by left limiting plate 17, right clamp arm 7 is limited between left limiting plate 17 and left clamp arm 11. The top and bottom of left limiting plate 17 are respectively to rear bending, and outer side and interior side with left clamp arm 11 is fixed respectively; The setting corresponding to left limiting plate 17 of right limiting plate 25, is limited in left clamp arm 11 between right limiting plate 25 and right clamp arm 7, and after the top and bottom of right limiting plate 25 bend respectively and outer side and the interior side of right clamp arm 7 is fixed. By arranging left limiting plate 17 and right limiting plate 25, further the movement of left clamp arm 11 and right clamp arm 7 is limited, decrease left clamp arm 11 and skew and dislocation occurs in clamping process in right clamp arm 7, it is to increase the reliability of the corresponding setting that the first clamping is most advanced and sophisticated and the 2nd clamping is most advanced and sophisticated. Left limiting plate 17 and right limiting plate 25 can also only arrange one of them.
As shown in Figure 6, being fixed with tooth bar 27 in the bottom of the fingerstall 10 of left clamp arm 11 times ends by reed 26, one end of reed 26 is fixed on the sidewall inside fingerstall 10, and the other end enters the inside of fingerstall 10 downwards, is connected with the tooth bar 27 stretching into fingerstall 10 inside simultaneously.Under the effect of reed 26, tooth bar 27 itself can be in state upwards all the time, and therefore tooth bar 27 can not occur, because of self gravitation, the phenomenon that drops downwards. Evenly offering the ratchet of some inclined upward to the left on the upper surface of tooth bar 27, the bottom correspondence at ratchet is provided with graduated scale 29. It is provided with bottom the fingerstall 10 of right clamp arm 7 and the latch 28 that tooth bar 27 upper end ratchet matches. Left clamp arm 11 and right clamp arm 7 equidistantly open injury is fixedly clamped time, in the process that left clamp arm 11 and right clamp arm 7 clamp, the latch 28 of right clamp arm 7 times ends can be stuck on the ratchet of a certain of tooth bar 27 upper end all the time. Owing to tooth bar 27 can remain trend upwards under the effect of reed 26, therefore the latch 28 of right clamp arm 7 bottom can block tight all the time with the ratchet on the tooth bar 27 of left clamp arm 11 bottom and can not take off by pine, operation also serves fastening effect, simultaneously left clamp arm 11 and right clamp arm 7 blocked by tooth bar 27 and latch 28 tight after, the scale of actual operation clamping can be read by graduated scale, facilitate surgical doctor to the anticipation of clamp distance.
Concrete working process and principle of work are as follows:
Finger, when being performed the operation by fracture, is first stretched into be closed up to reduction forceps pressurization by the bone guide originally angularly swung with plane in the fingerstall 10 of left clamp arm 11 and right clamp arm 7 bottom and holds with a firm grip by surgical doctor. Then tooth bar 27 is set aside latch 28 is separated with tooth bar 27 after left clamp arm 11 and right clamp arm 7 are equidistantly opened.
In the process that left clamp arm 11 and right clamp arm 7 equidistantly open, left clamp arm 11 and right clamp arm 7 equidistantly open outside two, wherein right clamp arm 7 is outwardly simultaneously, driving pilot sleeve 1 to move laterally, pilot sleeve 1 promotes the upper end of governor lever 6 to move laterally by arcuate guide bar 3 further. Owing to pilot sleeve 1, governor lever 6 and fixed link 9 can be considered three limits of parallelogram, and fixed link 9 is in horizontality all the time, it is hinged between pilot sleeve 1, governor lever 6 and fixed link 9, so, as two corresponding up and down limits, pilot sleeve 1 can be mutually parallel with fixed link 9 all the time in the process of movement.
When left clamp arm 11 and right clamp arm 7 equidistantly being opened up into enough big angle, by left clamp arm 11 and right clamp arm 7, fracture clamping is resetted, simultaneously the first clamping on left clamp arm 11 and right clamp arm 7 is most advanced and sophisticated and the 2nd clamping most advanced and sophisticated alignment bore position, then pressurizeed by fingerstall 10 and left clamp arm 11 and right clamp arm 7 are closed up, in the process closed up, bore position is clamped and fixes by the first clamping tip and the 2nd clamping tip, after clamping, latch 28 bottom right clamp arm 7 coordinates with the ratchet in left clamp arm 11 lower gear rack, the card realizing left clamp arm 11 and right clamp arm 7 tightly and can not disengage.
After by left clamp arm 11 and right clamp arm 7 fracture being clamped, drill bit is bored into from pilot sleeve 1 right-hand member by the passage 2 in pilot sleeve 1 and bores out from left end by surgical doctor, enter in the guide path 13 of left clamp arm 11 end cone point guide end after drill bit further passs through fracture, therefore clamp most advanced and sophisticated pilot sleeve 1 by the cone point guide end and the 2nd that the first clamping is most advanced and sophisticated to coordinate, accurate guiding when drill bit is fixed can be realized, also can avoid damaging the cone point surrounding tissue that the first clamping is most advanced and sophisticated, be conducive to completing smoothly of operation. Simultaneously owing to the location in surgical procedure and guiding are comparatively accurate, therefore, otch, wound can be reduced as much as possible when performing the operation, avoid damage, reduce operation wound, reduce the probability that wound occurs to infect, be also conducive to post-surgical trauma healing, joint function recovery, simultaneously due to less otch, wound, belong to Minimally Invasive Surgery, there is curative effect attractive in appearance.
Embodiment 2:
As shown in Figure 7, embodiment 2 is with the difference of embodiment 1: in example 2, the end maintenance cone point guide end that first clamping is most advanced and sophisticated, the end cancellation cone point guide end that 2nd clamping is most advanced and sophisticated, it is designed to an only most advanced and sophisticated scarp 32, forming the tapered sleeve of an only cone point, other design and implementation examples 1 are identical. In the present embodiment, it is possible to the end of pilot sleeve 1 is designed to an only most advanced and sophisticated scarp 32, the design of cone point guide end is retained in the end that the 2nd clamping is most advanced and sophisticated.
Embodiment 3:
As shown in Figure 8, embodiment 3 is with the difference of embodiment 1: in embodiment 3, the cone point guide end design at multiple tip is cancelled in the end of right clamp arm 7, it is designed to the scarp 32 most advanced and sophisticated identical with the 2nd clamping, and offers the guide path 13 matched with passage 2 in the central position on scarp 32.
At the bone guide originally angularly swung with plane to reduction forceps, the first clamping set-up mode that is most advanced and sophisticated and the 2nd clamping tip can be the arbitrary combination of above embodiment.
The above is only the better embodiment of the present invention, is not the restriction that the present invention does other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations. But every not departing from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling above embodiment done according to the technical spirit of the present invention, still belongs to the protection domain of technical solution of the present invention.
Claims (10)
1. the bone guide angularly swung with plane is to reduction forceps, comprise two pincers arms and pilot sleeve (1), it is provided with, between two pincers arms, the same plane angularly tilting mechanism realizing its angularly folding, it is characterized in that: described same plane angularly tilting mechanism and/or pincers arm both sides be provided with fixing spacing part (8), fixing spacing part (8) clamping with plane angularly tilting mechanism or pincers arm pincers arm is swung in same plane, pilot sleeve (1) is arranged on, by parallel maintaining body, the upper end that is clamped arm.
2. the bone guide that same plane according to claim 1 angularly swings is to reduction forceps, it is characterized in that: described fixing spacing part (8) comprises and is separately positioned on the same plane angularly front shoe (30) of tilting mechanism front and rear sides and rear fixed plate (31), front shoe (30) and rear fixed plate (31) respectively with same plane angularly tilting mechanism be rotationally connected, front shoe (30) and rear fixed plate (31) are connected as one by the web plate (21) of upper end.
3. the bone guide that same plane according to claim 1 angularly swings is to reduction forceps, it is characterized in that: described parallel maintaining body comprises fixed link (9), governor lever (6) and sliding connector, fixed link (9) one end is fixedly connected with fixing mounting block (8), the other end and governor lever (6) lower end are hinged, governor lever (6) upper end and pilot sleeve (1) are rotationally connected, and sliding connector is fixedly connected with pilot sleeve (1) and corresponding pincers arm simultaneously.
4. the bone guide that same plane according to claim 3 angularly swings is to reduction forceps, it is characterized in that: the arc-shaped guide plate (3) that described sliding connector comprises arcuate guide cover (5) and coordinates with arcuate guide cover (5), arcuate guide bar (3) upper end is connected with pilot sleeve (1), and lower end is provided with the slide of arc;Arcuate guide cover (5) is fixed on described pincers arm upper end, and the chute that arcuate guide bar (3) lower slide sheet slips into and skids off is offered in its inside, is provided with ball in chute.
5. the bone guide that same plane according to claim 1 angularly swings is to reduction forceps, it is characterized in that: the lower end clamping arm at described two is provided with for realizing the tight measurement clamping body of pincers arm card, measure clamping body to comprise the tooth bar (27) being arranged on a pincers arm bottom and be arranged on the latch (28) of another pincers arm bottom, the upper surface of tooth bar (27) is evenly provided with and the ratchet that latch (28) coordinates; The graduated scale (29) coordinated with ratchet length it is provided with in ratchet bottom.
6. the bone guide that same plane according to claim 5 angularly swings is to reduction forceps, it is characterized in that: described tooth bar (27) is rotationally connected with pincers arm, being fixed with, on pincers arm, the elasticity parts compressing tooth bar (27), elasticity parts promote tooth bar (27) to engage with latch (28).
7. the bone guide that same plane according to claim 1 angularly swings is to reduction forceps, it is characterized in that: one or two in described two pincers arms is also provided with limiting plate, on the outer side that the upper/lower terminal of limiting plate is separately fixed at corresponding pincers arm and interior side, another is clamped arm and is clipped between limiting plate plate face and corresponding pincers arm by the plate face of limiting plate.
8. the bone guide that same plane according to claim 1 angularly swings is to reduction forceps, it is characterized in that: be connected to one section of arc in the upper end of described two pincers arms and connect section (12), pilot sleeve (1) is arranged on the upper end that one of them pincers arm arc connects section (12); Described same plane is hinged with two pincers arms while that angularly tilting mechanism being connected with fixing spacing part (8) also.
9. the bone guide that same plane according to claim 1 and 2 angularly swings is to reduction forceps, it is characterized in that: described same plane angularly tilting mechanism comprise be separately positioned on two pincers arm relative inner cylinder, the side that two cylinders are adjacent is provided with the tooth being meshed, and on two cylinders, the transmitting ratio of tooth is 1:1.
10. the bone guide that same plane according to claim 9 angularly swings is to reduction forceps, it is characterized in that: the both sides of described cylinder are rotationally connected with the front shoe (30) and rear fixed plate (31) of fixing spacing part (8) simultaneously, in fixing spacing part (8), front shoe (30) is fixedly connected with the bottom of rear fixed plate (31) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159544.1A CN105662571B (en) | 2016-03-21 | 2016-03-21 | A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610159544.1A CN105662571B (en) | 2016-03-21 | 2016-03-21 | A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps |
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| CN105662571B CN105662571B (en) | 2018-04-20 |
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| CN201610159544.1A Active CN105662571B (en) | 2016-03-21 | 2016-03-21 | A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314055A (en) * | 2019-06-28 | 2019-10-11 | 宁波康麦隆医疗器械有限公司 | A kind of oxter hold-fast body of Hospital trolley for nursing |
| CN110368229A (en) * | 2019-06-28 | 2019-10-25 | 宁波康麦隆医疗器械有限公司 | A kind of moving vehicle |
| CN111150477A (en) * | 2019-05-29 | 2020-05-15 | 天津市天津医院 | Special multi-angle rib plate clip applier for endoscope |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067138U (en) * | 1990-03-22 | 1990-12-12 | 汤华丰 | Orthopaedics multifunction tractor |
| US5129908A (en) * | 1990-01-23 | 1992-07-14 | Petersen Thomas D | Method and instruments for resection of the patella |
| WO2005074828A2 (en) * | 2004-01-30 | 2005-08-18 | Sdgi Holdings, Inc. | Instruments and methods for minimally invasive spinal stabilization |
| CN201073337Y (en) * | 2007-07-20 | 2008-06-18 | 唐上德 | Guide pin clamp |
| US20090254130A1 (en) * | 2008-04-08 | 2009-10-08 | Wotton Iii Harold M | Bone clamp |
| CN101653369A (en) * | 2009-09-14 | 2010-02-24 | 姜洪祯 | Multipurpose forceps for closed reduction and internal fixation of fractures |
| US20100241128A1 (en) * | 2009-03-23 | 2010-09-23 | Falahee Mark H | Spinous process retractor |
| CN101869506A (en) * | 2010-07-28 | 2010-10-27 | 徐兆万 | Cervical pedicle screw alignment apparatus |
| CN201631291U (en) * | 2010-03-18 | 2010-11-17 | 韩志强 | Bone-positioning reductor |
| US20120289967A1 (en) * | 2005-10-06 | 2012-11-15 | Zimmer Gmbh | Instrument for preparing and/or machining a femoral head |
| CN103565508A (en) * | 2013-11-26 | 2014-02-12 | 段强民 | Orthopedic guide reset pincers |
| CN205649540U (en) * | 2016-03-21 | 2016-10-19 | 段强民 | With angle wobbling orthopedics such as plane direction pincers that restore to throne |
-
2016
- 2016-03-21 CN CN201610159544.1A patent/CN105662571B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5129908A (en) * | 1990-01-23 | 1992-07-14 | Petersen Thomas D | Method and instruments for resection of the patella |
| CN2067138U (en) * | 1990-03-22 | 1990-12-12 | 汤华丰 | Orthopaedics multifunction tractor |
| WO2005074828A2 (en) * | 2004-01-30 | 2005-08-18 | Sdgi Holdings, Inc. | Instruments and methods for minimally invasive spinal stabilization |
| US20120289967A1 (en) * | 2005-10-06 | 2012-11-15 | Zimmer Gmbh | Instrument for preparing and/or machining a femoral head |
| CN201073337Y (en) * | 2007-07-20 | 2008-06-18 | 唐上德 | Guide pin clamp |
| US20090254130A1 (en) * | 2008-04-08 | 2009-10-08 | Wotton Iii Harold M | Bone clamp |
| US20100241128A1 (en) * | 2009-03-23 | 2010-09-23 | Falahee Mark H | Spinous process retractor |
| CN101653369A (en) * | 2009-09-14 | 2010-02-24 | 姜洪祯 | Multipurpose forceps for closed reduction and internal fixation of fractures |
| CN201631291U (en) * | 2010-03-18 | 2010-11-17 | 韩志强 | Bone-positioning reductor |
| CN101869506A (en) * | 2010-07-28 | 2010-10-27 | 徐兆万 | Cervical pedicle screw alignment apparatus |
| CN103565508A (en) * | 2013-11-26 | 2014-02-12 | 段强民 | Orthopedic guide reset pincers |
| CN205649540U (en) * | 2016-03-21 | 2016-10-19 | 段强民 | With angle wobbling orthopedics such as plane direction pincers that restore to throne |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111150477A (en) * | 2019-05-29 | 2020-05-15 | 天津市天津医院 | Special multi-angle rib plate clip applier for endoscope |
| CN111150477B (en) * | 2019-05-29 | 2022-01-28 | 天津市天津医院 | Special multi-angle rib plate clip applier for endoscope |
| CN110314055A (en) * | 2019-06-28 | 2019-10-11 | 宁波康麦隆医疗器械有限公司 | A kind of oxter hold-fast body of Hospital trolley for nursing |
| CN110368229A (en) * | 2019-06-28 | 2019-10-25 | 宁波康麦隆医疗器械有限公司 | A kind of moving vehicle |
| CN110368229B (en) * | 2019-06-28 | 2024-05-07 | 宁波康麦隆医疗器械有限公司 | Shifting vehicle |
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|---|---|
| CN105662571B (en) | 2018-04-20 |
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