CN105662571B - A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps - Google Patents
A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps Download PDFInfo
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- CN105662571B CN105662571B CN201610159544.1A CN201610159544A CN105662571B CN 105662571 B CN105662571 B CN 105662571B CN 201610159544 A CN201610159544 A CN 201610159544A CN 105662571 B CN105662571 B CN 105662571B
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- coplanar
- angularly
- tong arm
- clamp arm
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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
Abstract
A kind of coplanar orthopaedics angularly swung is oriented to reduction forceps, belongs to orthopedic medical device field.Orthopaedics is oriented to reduction forceps, including two tong arms and pilot sleeve（1）, the coplanar angularly swing mechanism for realizing its angularly folding is provided between two tong arms, it is characterised in that：Coplanar angularly swing mechanism is with realizing the fixation locating part that tong arm is swung in same level（8）Connection, pilot sleeve（1）The upper end of a tong arm is installed on by parallel holding mechanism, the measurement clamping mechanism for being used for realization tong arm clamping is provided with the lower end of two tong arms.It is oriented in this coplanar orthopaedics angularly swung in reduction forceps, pass through the coplanar angularly swing mechanism for parallel holding mechanism being set He making tong arm be swung in same swinging plane, accurately drill when realizing fixed, it is easy to operate, the guiding to inside-fixture is also completed while completing and resetting, the precision of guiding is improved, saves operating time.
Description
Technical field
The coplanar orthopaedics angularly swung is oriented to reduction forceps, belongs to orthopedic medical device field.
Background technology
When treating intercondylar fracture of humerus, supracondylar fracture of humerus, fracture of medical condyle of the humerus, lateral condylar fracture, due to ulnar nerve row
The reason for groove of ulnar nerve on rear side of epicondylus medialis and nervus radialis are close to bone face at supracondylar ridge,of humerus,lateral is walked, outside is threaded a needle in the line
Traditional way is outside combined approach in conventional line when fixed, look at straight the lower reduction of the fracture, it is blind thread a needle after, then row perspective confirms to bore
Head access point and drill out offside length it is whether preferable, when threading a needle because a point can not determine straight line, cause drill bit
The ideal that can not accurately be found after being pierced from inlet point can avoid vital tissue from damaging drills out a little.If undesirable also need repeatedly to adjust
It is whole, cause operating time to extend, operation wound is big, increases patient suffering and recovery time, and has during blind wear higher
Iatrogenic injury important blood vessels nerve risk.
Most of existing reduction forceps of bone only has the function that to reset, i.e., by the sclerotin replacement and fixation of fracture, Wu Fayin
Lead drilling.It is oriented in orthopaedics disclosed in Chinese invention patent 201310604750.5 in reduction forceps, although bone can also carried out
Matter carries out pilot bore hole after resetting, and still, there are still some deficiency in practical operation.1st, two calipers fortune is limited in the patent
Dynamic fixed plate structure is also complex, two guide groove of left and right and left and right sliding block in operation there is also sliding not smooth situation,
Once fixed plate and sliding block deformation or rough, just occur that slip is not smooth, so that cause the implementation of reduction forceps to fail, Jin Erzeng
Operating difficulty is added, or even has caused operative failure, this is the shortcomings that comparison is serious.2nd, the patent is needed by addition larger
Left and right caliper movement fixed plate mechanism is limited, two calipers is limited and two pincers points moves in the same plane, fixed plate meeting in operation
The larger surgical procedure space in the inner side of tong arm is occupied, may be on the compressing of fracture surrounding soft tissue, the influence reduction of the fracture and hand
Art carries out.Though the automatic clamping that pressurizes after resetting the 3rd, can be completed equipped with the clamping face tooth engaged between fixed plate and two calipers,
There is no de-chucking mechanism, cause unlock difficult, bring inconvenience to surgical doctor operation.
The content of the invention
The technical problem to be solved in the present invention is：One kind is overcome the deficiencies of the prior art and provide by setting parallel holding
Mechanism and make the coplanar angularly swing mechanism that tong arm is swung in same swinging plane, will be coplanar by fixed locating part
Angularly swing mechanism wraps, and avoids causing positioning inaccurate because deviating occurs in tong arm and misplaces when swinging, and at the same time
It is accurately positioned and is oriented to when realizing fixed, the orthopaedics for saving operating time is oriented to reduction forceps.
The technical solution adopted by the present invention to solve the technical problems is：The coplanar orthopaedics angularly swung is oriented to multiple
Position pincers, including two tong arms and pilot sleeve, be provided between two tong arms realize its angularly folding it is coplanar angularly
Swing mechanism, it is characterised in that：Fixed locating part is equipped with the both sides of the coplanar angularly swing mechanism and/or tong arm,
Fixed locating part, which clamps coplanar angularly swing mechanism or tong arm, makes tong arm swing in the same plane, and pilot sleeve passes through flat
Row holding mechanism is installed on the upper end of a tong arm.
Preferably, the fixation locating part includes being separately positioned on coplanar angularly swing mechanism front and rear sides
Front shoe and rear fixed plate, front shoe and rear fixed plate are rotatablely connected with coplanar angularly swing mechanism respectively, preceding solid
Fixed board and rear fixed plate are connected as one by the connecting plate of upper end.
Preferably, the parallel holding mechanism includes fixed link, adjusting rod and sliding connector, fixed link one end with
Fixed fixing piece is fixedly connected, and the other end is hinged with adjusting rod lower end, and adjusting rod upper end is rotatablely connected with pilot sleeve, the company of slip
Fitting is fixedly connected with pilot sleeve and corresponding tong arm at the same time.
Preferably, the sliding connector includes the arcuate guide that arcuate guide is covered and coordinated with arcuate guide set
Plate, arcuate guide bar upper end are connected with pilot sleeve, and lower end is provided with the slide of arc；Arcuate guide set is fixed on described
Tong arm upper end, offers the sliding groove that arcuate guide bar lower slide piece slides in and out, is provided with sliding groove inside it
Ball.
Preferably, the measurement clamping mechanism for being used for realization tong arm clamping is provided with the lower end of two tong arms, is surveyed
Amount clamping mechanism includes the rack for being arranged on tong arm lower part and the latch for being arranged on another tong arm lower part, in rack
The ratchet coordinated with latch is evenly arranged with upper surface；The graduated scale coordinated with ratchet length is provided with ratchet lower part.
Preferably, the rack is rotatablely connected with tong arm, and the elastomeric element for compressing rack, elastic portion are fixed with tong arm
Part promotes rack to be engaged with latch.
Preferably, it is additionally provided with limiting plate in one or two in two tong arms, upper and lower the two of limiting plate
End is separately fixed on the lateral surface and medial surface of corresponding tong arm, another tong arm is clipped in limiting plate plate face by the plate face of limiting plate
Between corresponding tong arm.
Preferably, one section of arc linkage section is connected in the upper end of described two tong arms, pilot sleeve is installed on it
In a tong arm arc linkage section upper end；The coplanar angularly swing mechanism be connected with fixed locating part and while with
Two tong arms are hinged.
Preferably, the coplanar angularly swing mechanism includes the column for being separately positioned on two tong arm relative inners
Body, the adjacent side of two cylinders is equipped with the tooth being meshed, and the gearratio of tooth is 1 on two cylinders:1.
Preferably, front shoe and rear fixed plate of the both sides of the cylinder at the same time with fixed locating part are rotatablely connected,
Front shoe is fixedly connected at the same time with the lower part of rear fixed plate in fixed locating part.
Compared with prior art, beneficial effect possessed by the present invention is：
1st, it is oriented in this coplanar orthopaedics angularly swung in reduction forceps, by setting parallel holding mechanism and making tong arm
The coplanar angularly swing mechanism swung in same swinging plane, accurately drills when realizing fixed, easy to operate, complete
Into the guiding also completed while reset to inside-fixture, the precision of guiding is improved, saves operating time.
2nd, it is oriented in this coplanar orthopaedics angularly swung in reduction forceps, is 1 by setting intermeshing and gearratio:
1 left gear column, left rotary shaft and right gear column, right spindle, and perpendicular to left and right sprocket fixation locating part to left and right tooth
Wheel post wraps, and realizes that left and right tong arm and first and second clamping tip are angularly swung in same swinging plane, and fixed
When be accurately positioned and be oriented to, save operating time, and realize Minimally Invasive Surgery.Meanwhile reduce when swinging because tong arm occurs
Offset and the wind for positioning vital tissue around the cone at inaccurate generation and the clamping of iatrogenic injury first tip that misplaces and cause
Danger.
3rd, since fixed link is in horizontality all the time, pilot sleeve 1 is adjusted in mobile process by combining adjusting rod
Middle principle that can be parallel with fixed link all the time, it is ensured that pilot sleeve is in horizontal state, the direction of its tip meaning all the time
All the time it is directed toward predetermined direction of threading a needle（First clamping tip）, and will not shift, facilitate surgical doctor determining during operation
Position, drilling, fix.
4th, the arc linkage section for being connected to left clamp arm and right clamp arm upper end distinguishes two outside protrusion to left and right, ensure that a left side
The inner side of tong arm and right clamp arm has enough spaces, the placement of bone when conveniently performing the operation.It is easy to press from both sides fracture at the same time
It is tight to reset, it can adapt to more serious fracture.If fracture breaks as multiple bulks, can not be answered using two collets merely
Position, the arc linkage section that this coplanar orthopaedics angularly swung is oriented to reduction forceps can be such that all osteocommas reset together,
Reset effect is more preferable.
5th, rack and matched with rack upper end ratchet is respectively arranged with the fingerstall bottom of left clamp arm and right clamp arm
Latch.When left clamp arm and right clamp arm equidistantly open and be clamped fixed to injury, in the process that left clamp arm and right clamp arm clamp
In, the latch of right clamp arm lower end, which can be stuck on some ratchet of latch upper end, to be completed to fix, therefore extra fixed dress is not required
Put.
6th, since latch can remain uptrend under the action of reed, the latch of right clamp arm lower part can be with
Ratchet clamping on the latch of left clamp arm lower part and it will not loosen.
7th, actual hand can be read by graduated scale after by rack and latch clamping in left clamp arm and right clamp arm
The scale that art clamps, facilitates anticipation of the surgical doctor to clamp distance.
8th, left clamp arm and right clamp arm are attached into by left and right limiting plate, further limit left and right tong arm same flat
Face is moved, and structure is extremely simple, substantially increases the accuracy and reliability of reduction forceps.
9th, simultaneously because positioning and guiding in surgical procedure are more accurate, therefore can reduce as far as possible during operation
Notch and wound, beneficial to post-surgical trauma healing, joint function recovery, reduce operation wound, reduce the probability that wound infects,
Simultaneously because less notch, wound, belong to Minimally Invasive Surgery, there is beautiful curative effect.
Brief description of the drawings
Fig. 1 is that the coplanar orthopaedics angularly swung is oriented to reduction forceps front view.
Fig. 2 is that the coplanar orthopaedics angularly swung is oriented to reduction forceps rearview.
Fig. 3 is enlarged drawing at A in Fig. 1.
Fig. 4 is amplification front elevation at B in Fig. 1.
Fig. 5 is amplification rearview at B in Fig. 1.
Fig. 6 is amplification rearview at C in Fig. 1.
Fig. 7 is that the coplanar orthopaedics angularly swung is oriented to the clamping tip of reduction forceps embodiment 2 first and the second clamping point
End structure schematic diagram.
Fig. 8 is that the coplanar orthopaedics angularly swung is oriented to the clamping tip of reduction forceps embodiment 3 first and the second clamping point
End structure schematic diagram.
Wherein：1st, pilot sleeve 2, passage 3, arcuate guide bar 4, sleeve hinge joint 5, arcuate guide set 6, adjusting
Bar 7, right clamp arm 8, fixed locating part 9, fixed link 10, fingerstall 11, left clamp arm 12, arc linkage section 13, guide groove
14th, cone 15, bulb 16, clamping point 17, left limit plate 18, left rotary shaft 19, left gear column 20, left gear 21, connection
Plate 22, right gear 23, right gear column 24, right spindle 25, right limit plate 26, reed 27, rack 28, latch 29, quarter
Spend ruler 30, front shoe 31, rear fixed plate 32, inclined plane.
Embodiment
Fig. 1 ~ 6 are highly preferred embodiment of the present invention, and 1 ~ 8 the present invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figure 1 and 2, a kind of coplanar orthopaedics angularly swung is oriented to reduction forceps, including left clamp arm 11 and right clamp arm
7, left clamp arm 11 and right clamp arm 7 are staggered and swingable realized by fixed locating part 8 is fixed, left clamp arm 11 and right clamp arm 7
Cross-point be located at the lower part of fixed locating part 8.One or so correspondence is respectively arranged with the lower end of left clamp arm 11 and right clamp arm 7
Fingerstall 10, facilitate surgical doctor carry out clipping operation.Connected respectively by one section of arc in the upper end of left clamp arm 11 and right clamp arm 7
Connect section 12 and be provided with the first clamping tip and the second clamping tip, the first clamping tip and the second clamping tip or so are opposite to be set
Put.The arc linkage section 12 for being connected to 7 upper end of left clamp arm 11 and right clamp arm distinguishes two outside protrusion to left and right, ensure that left pincers
The inner side of arm 11 and right clamp arm 7 has enough spaces, reduces the compressing to injury soft tissue, also beneficial to visual area exposure and
Reset is clamped to fracture, to facilitate surgical doctor to operate, especially in more serious fracture merely using two folders
In the case that head can not reset.
As shown in Figure 1, it is horizontally fixed with a fixed link 9, the lower end of adjusting rod 6 on the right flank of fixed locating part 8
The end of fixed link 9 is hinged on, the right end of pilot sleeve 1 is hinged on the upper end of adjusting rod 6 by sleeve hinge joint 4, is being oriented to
The passage 2 that drill bit passes through axially is offered in sleeve 1.Arcuate guide bar 3 is provided with pilot sleeve 1, under arcuate guide bar 3
Portion is provided with slidable arc sliding piece, and the upper end of above-mentioned 7 upper arcuate linkage section 12 of right clamp arm is provided with arcuate guide
Set 5, offers sliding groove, the slide of 3 lower part of arcuate guide bar is slidably placed on arcuate guide in arcuate guide set 5
In the sliding groove of set 5, ball is additionally provided with the sliding groove of arcuate guide set 5（It is not drawn into figure）, to facilitate arcuate guide
The slide of 3 lower part of bar slides in and out.
Directly fixed form, such as welding or integral structure can be used between above-mentioned pilot sleeve 1 and arcuate guide bar 3
Make, relative motion is not present in pilot sleeve 1 and arcuate guide bar 3 at this time.Can also between pilot sleeve 1 and arcuate guide bar 3
Using the construction of adjustable suit, relative motion may be present in pilot sleeve 1 and arcuate guide bar 3 at this time, realizes that pilot sleeve 1 exists
The adjusting of position in arcuate guide bar 3.It is solid when being attached between pilot sleeve 1 and arcuate guide bar 3 in the form of suit
Periodically, it is necessary to set locking structure to lock pilot sleeve 1 on 3 top of arcuate guide bar, avoid in surgical procedure, lead
Slided between sleeve 1 and arcuate guide bar 3.
As shown in figure 3, it is arranged on the first clamping tip of 11 top arc linkage section of left clamp arm, 12 upper end and is arranged on the right side
The end at the second clamping tip of 7 top arc linkage section of tong arm, 12 upper end is that the cone for being provided with multiple cones 14 is oriented to
End.Guide groove 13 is offered in the center of the cone guide end at the first clamping tip, multiple cones 14 are uniformly opened in and lead
To the border of 13 notch of groove；In the cone guide end at the second clamping tip, multiple cones 14 of cone guide end, which are arranged on, to be led
To the opening of 1 internal channel 2 of sleeve, guide groove 13 and the passage 2 or so of pilot sleeve 1 are correspondingly arranged.In cone guide end phase
Interval forms the groove of taper between adjacent two cones 14.
Auxiliary clamping tip is additionally provided with by above-mentioned arcuate guide set 5, auxiliary clamping tip includes the arc of two-part
Shape connecting rod, arc-shaped connecting rod includes active segment and fixed section, active segment and the connected structure that fixed section is two-part, wherein solid
Determine section and be fixed on 5 inner side of arcuate guide set, the end of movable end is fixed with bulb 15, has clamping point in the end set of bulb 15
16, after the active segment of arc-shaped connecting rod and fixed section grafting completion, bulb 15 is positioned at the underface at the second clamping tip.When
When needing to carry out auxiliary positioning clamping using auxiliary clamping tip, operating personnel by the active segment of arc-shaped connecting rod and fixed section into
Row grafting, after grafting is completed, can carry out auxiliary clamping by clamping point 16 when being performed the operation, improve the reliable of clamping
Property.The fixing end at auxiliary clamping tip can also be directly anchored 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 coplanar angularly swing mechanism, by same
Angularly swing mechanism realizes the angularly opening or closure of left clamp arm 11 and right clamp arm 7 to plane.Coplanar angularly oscillating machine
Structure includes the left gear column 19 and right gear column 23 and left rotary shaft for being correspondingly arranged at the inner side of left clamp arm 11 and right clamp arm 7 respectively
18 and right spindle 24, the left gear column 19 of left rotary shaft 18 through left clamp arm 11 completes the connection of left clamp arm 11 and fixed locating part 8
Fixed, the right gear column 23 of right spindle 24 through right clamp arm 7 completes right clamp arm 7 and the connection of fixed locating part 8 is fixed, left gear
Column 19 and right gear column 23 are the column perpendicular to fixed 8 plate face of locating part.In 19 inner edge of left gear column of left clamp arm 11
Left gear 20 is provided with edge, right gear 22,20 He of left gear are provided with the same time on 23 inside edge of right gear column of right clamp arm 7
Right gear 22 is intermeshed and gearratio is 1:1, since left gear column 19 and right gear column 23 are vertical bar shape design,
Stability during engagement is considerably increased, generation beat can be reduced, so as to ensure that the arc linkage section 12 of the left and right sides same
Equidistant opening and closing in one plane.Therefore left clamp arm 11 and right clamp arm 7 are angularly to be swung in same plane in opening and closing.It is left
Gear 20 and right gear 22 are fan tooth, simple in structure.
When left clamp arm 11 and right clamp arm 7 equidistantly open, left clamp arm 11 and right clamp arm 7 are opened to two outsides are equidistant respectively,
While wherein right clamp arm 7 outwards equidistantly opens, covered since pilot sleeve 1 is sleeved on arcuate guide by arcuate guide bar 3 in 5
Portion, positioned at the upper end of right clamp arm 7, and the right end of pilot sleeve 1 and the upper end of adjusting rod 6 are hinged, therefore right clamp arm 7 is outwards being opened
While opening, pilot sleeve 1 is driven to move laterally, pilot sleeve 1 promotes adjusting rod 6 by the upper end of arcuate guide bar 3
Move laterally upper end.Due to being hinged between pilot sleeve 1, adjusting rod 6 and fixed link 9, so pilot sleeve 1, tune
Pole 6 and fixed link 9 can be considered three sides of parallelogram, and be used as upper and lower corresponding two sides, due to fixed link 9
All the time horizontality is in, pilot sleeve 1 can be parallel with fixed link 9 all the time during movement, 1 tip institute of pilot sleeve
The direction of finger will not shift, i.e., pilot sleeve 1 is directed toward predetermined direction of threading a needle all the time, facilitate doctor's threading a needle during operation
Positioning.When left clamp arm 11 and right clamp arm 7 are equidistantly opened or closed up, with the movement of pilot sleeve 1, the lower section of arcuate guide bar 3
Slider bar can from arcuate guide cover 5 inside slide in or out, to coordinate the back-and-forth motion of pilot sleeve 1.
Fixed locating part 8 includes the front shoe 30 and rear fixed plate for being separately positioned on 7 front end of left clamp arm 11 and right clamp arm
31, front shoe 30 and rear fixed plate 31 realize blocking and limiting to coplanar angularly swing mechanism from front and rear ends respectively
23 relative shift of left gear column 19 and right gear column processed.Connected in the upper end of front shoe 30 and rear fixed plate 31 by connecting plate 21
It is connected in one.Above-mentioned left rotary shaft 18 and the end of right spindle 24 are separately fixed at the front shoe 30 of fixed locating part 8 with after
In fixed plate 31.The coplanar angularly swing mechanism cover that will be arranged on by fixed locating part 8 on left clamp arm 11 and right clamp arm 7
Inside it, while not only ensure that left clamp arm 11 and right clamp arm 7 can equiangularly be swung, but also can be to left clamp arm 11 and right pincers
Arm 7 carries out spacing, reduces meshing error between left gear column 19 and right gear column 23, further reduces left and right tong arm cone and exist
Since chucking power causes the first clamping tip and second to clamp the error of tip generation during clamping.
In surgical procedure, surgical doctor by fingerstall 10 when carrying out clamping position, due to left clamp arm 11 and right clamp arm 7
Length it is longer, therefore left clamp arm 11 and right clamp arm 7 occur deviating and misplace when finger exerts a force, then the first clamping tip and
Second clamping tip equally can occur deviating and misplace, and cause positioning inaccurate, influence the process and effect of operation.Therefore it is same at this
The orthopaedics that plane is angularly swung is oriented in reduction forceps, and left limit is also correspondingly arranged on respectively on left clamp arm 11 and right clamp arm 7
Plate 17 and right limit plate 25, further prevent left clamp arm 11 and right clamp arm 7 from occurring deviating and misplacing in clamping process.
As shown in Fig. 4 ~ 5, the shape of left limit plate 17 and the lower part of left clamp arm 11 are correspondingly arranged, and pass through left limit plate 17
Right clamp arm 7 is limited between left limit plate 17 and left clamp arm 11.The top and bottom of left limit plate 17 are bent respectively backward, and
The lateral surface and medial surface with left clamp arm 11 are fixed respectively；Right limit plate 25 is correspondingly arranged with left limit plate 17, by left clamp arm 11
It is limited between right limit plate 25 and right clamp arm 7, outside with right clamp arm 7 after the top and bottom of right limit plate 25 are bent respectively
Face and medial surface are fixed.By setting left limit plate 17 and right limit plate 25, further to the movement of left clamp arm 11 and right clamp arm 7
Limited, reduce left clamp arm 11 and deviating and misplacing occur in clamping process in right clamp arm 7, improve the first clamping tip
With the reliability of the corresponding setting at the second clamping tip.Left limit plate 17 and right limit plate 25 can also only set wherein one
It is a.
As shown in fig. 6, rack 27 is fixed with by reed 26 in the bottom of the fingerstall 10 of 11 lower end of left clamp arm, reed 26
One end is fixed on the side wall of the inner side of fingerstall 10, and the other end is downwardly into the inside of fingerstall 10, with stretching at the same time inside fingerstall 10
Rack 27 connect.Under the action of reed 26, rack 27 itself can be in upward state all the time, therefore rack 27 will not be because
There is the phenomenon to drop downwards in self gravitation.The ratchet of some inclined upwards to the left is uniformly provided with the upper surface of rack 27,
Graduated scale 29 is correspondingly arranged in the lower part of ratchet.It is provided with 10 bottom of fingerstall of right clamp arm 7 and 27 upper end ratchet phase of rack
The latch 28 of cooperation.When left clamp arm 11 and right clamp arm 7 equidistantly open and be clamped fixed to injury, in left clamp arm 11 and right pincers
During arm 7 clamps, the latch 28 of 7 lower end of right clamp arm can be stuck on some ratchet of 27 upper end of rack all the time.Due to rack
27 can remain uptrend under the action of reed 26, thus the latch 28 of 7 lower part of right clamp arm can with left clamp arm 11
It ratchet clamping all the time on the rack 27 in portion and will not loosen, the effect of fastening is also played in operation, while in left pincers
Arm 11 and right clamp arm 7 can read what actual operation clamped after by 28 clamping of rack 27 and latch, by graduated scale
Scale, facilitates anticipation of the surgical doctor to clamp distance.
Specific work process and operation principle are as follows：
Finger is stretched into the finger of 7 lower part of left clamp arm 11 and right clamp arm by surgical doctor first when performing the operation to fracture
This coplanar orthopaedics guiding reduction forceps pressurization angularly swung is closed up in set 10 and is held with a firm grip.Then card is made rack 27 is set aside
Tooth 28 and rack 27 equidistantly open left clamp arm 11 and right clamp arm 7 after separating.
During left clamp arm 11 and right clamp arm 7 equidistantly open, left clamp arm 11 and right clamp arm 7 are equidistant to two outsides respectively
Open, while wherein right clamp arm 7 is flared out, drive pilot sleeve 1 to move laterally, pilot sleeve 1 passes through arcuate guide
Bar 3 further promotes the upper end of adjusting rod 6 to move laterally.Since pilot sleeve 1, adjusting rod 6 can be considered parallel with fixed link 9
Three sides of quadrangle, and fixed link 9 is in horizontality all the time, is between pilot sleeve 1, adjusting rod 6 and fixed link 9
It is hinged, so, as upper and lower corresponding two sides, pilot sleeve 1 can be equal with fixed link 9 all the time during movement
OK.
, will by left clamp arm 11 and right clamp arm 7 when left clamp arm 11 and right clamp arm 7 are equidistantly opened up into sufficiently large angle
Fracture, which clamps, to be resetted, while the first clamping tip and the second clamping tip alignment drilling position on left clamp arm 11 and right clamp arm 7
Put, then pressurizeed by fingerstall 10 and close up left clamp arm 11 and right clamp arm 7, the first clamping tip and second during closing up
Bore position is clamped and fixed by clamping tip, after clamping, latch 28 and 11 lower gear rack of left clamp arm of 7 bottom of right clamp arm
On ratchet coordinate, realize the clamping of left clamp arm 11 and right clamp arm 7 and cannot come off.
After by left clamp arm 11 and right clamp arm 7, fracture is clamped, surgical doctor passes through drill bit in pilot sleeve 1
Passage 2 pierce from 1 right end of pilot sleeve and drilled out from left end, left clamp arm 11 is entered after drill bit further passs through fracture
In the guide groove 13 of end cone guide end, therefore tip is clamped by the cone guide end and second at the first clamping tip
Pilot sleeve 1 coordinates, it is possible to achieve being accurately oriented to when drill bit is fixed, around the cone that can also avoid damage to the first clamping tip
Tissue, is conducive to smoothly completing for operation.Simultaneously because the positioning and guiding in surgical procedure are more accurate, therefore, performing the operation
When can reduce notch, wound as far as possible, avoid damage to, reduce operation wound, reduce the probability that infects of wound, also have
Beneficial to post-surgical trauma healing, joint function recovery, simultaneously because less notch, wound, belong to Minimally Invasive Surgery, there is beautiful treat
Effect.
Embodiment 2：
As shown in fig. 7, embodiment 2 and embodiment 1 difference lies in：In example 2, the end at the first clamping tip is protected
Cone guide end is held, the end at the second clamping tip cancels cone guide end, is designed as the inclined plane 32 at only one tip, shape
It is identical into the conical sleeve of only one cone, other design and implementation examples 1.In the present embodiment, also can be by pilot sleeve 1
End is designed as the inclined plane 32 at only one tip, retains the design of cone guide end in the end at the second clamping tip.
Embodiment 3：
As shown in figure 8, embodiment 3 and embodiment 1 difference lies in：In embodiment 3, cancel in the end of right clamp arm 7
The cone guide end design at multiple tips, is designed as the inclined plane 32 identical with the second clamping tip, and in inclined plane 32
Heart position opens up guide groove 13 matched with passage 2.
Reduction forceps, the setting at the first clamping tip and the second clamping tip are oriented in this coplanar orthopaedics angularly swung
Mode can be any combination of above example.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. a kind of coplanar orthopaedics angularly swung is oriented to reduction forceps, including two tong arms and pilot sleeve（1）, in two tong arms
Between be provided with the coplanar angularly swing mechanism for realizing its angularly folding, it is characterised in that：In the coplanar isogonism
The both sides for spending swing mechanism and tong arm are equipped with fixed locating part（8）, fixed locating part（8）Clamp coplanar angularly swing mechanism
Or tong arm makes tong arm swing in the same plane, pilot sleeve（1）The upper end of a tong arm is installed on by parallel holding mechanism；
The fixation locating part（8）Front shoe including being separately positioned on coplanar angularly swing mechanism front and rear sides
（30）And rear fixed plate（31）, front shoe（30）And rear fixed plate（31）Rotate and connect with coplanar angularly swing mechanism respectively
Connect, front shoe（30）And rear fixed plate（31）Pass through the connecting plate of upper end（21）It is connected as one；
The parallel holding mechanism includes fixed link（9）, adjusting rod（6）And sliding connector, fixed link（9）One end is with consolidating
Fixing limit part（8）It is fixedly connected, the other end and adjusting rod（6）Lower end is hinged, adjusting rod（6）Upper end and pilot sleeve（1）Rotate
Connection, sliding connector while and pilot sleeve（1）And corresponding tong arm is fixedly connected；
The coplanar angularly swing mechanism includes the cylinder for being separately positioned on two tong arm relative inners, two cylinder phases
Adjacent side is equipped with the tooth being meshed, and the gearratio of tooth is 1 on two cylinders:1.
2. the coplanar orthopaedics angularly swung according to claim 1 is oriented to reduction forceps, it is characterised in that：The cunning
Follower link includes arcuate guide set（5）And with arcuate guide set（5）The arcuate guide bar of cooperation（3）, arcuate guide bar（3）
Upper end and pilot sleeve（1）Connection, lower end is provided with the slide of arc；Arcuate guide set（5）It is fixed on the tong arm
End, offers arcuate guide bar inside it（3）The sliding groove that lower slide piece slides in and out, is provided with rolling in sliding groove
Pearl.
3. the coplanar orthopaedics angularly swung according to claim 1 is oriented to reduction forceps, it is characterised in that：Described
The lower end of two tong arms is provided with the measurement clamping mechanism for being used for realization tong arm clamping, and measurement clamping mechanism includes being arranged on one
The rack of tong arm lower part（27）And it is arranged on the latch of another tong arm lower part（28）, in rack（27）Upper surface on uniformly
It is provided with and latch（28）The ratchet of cooperation；The graduated scale coordinated with ratchet length is provided with ratchet lower part（29）.
4. the coplanar orthopaedics angularly swung according to claim 3 is oriented to reduction forceps, it is characterised in that：The tooth
Bar（27）It is rotatablely connected with tong arm, compression rack is fixed with tong arm（27）Elastomeric element, elastomeric element promote rack（27）
With latch（28）Engagement.
5. the coplanar orthopaedics angularly swung according to claim 1 is oriented to reduction forceps, it is characterised in that：Described
Limiting plate is additionally provided with one or two in two tong arms, the upper/lower terminal of limiting plate is separately fixed at corresponding tong arm
On lateral surface and medial surface, another tong arm is clipped between limiting plate plate face and corresponding tong arm by the plate face of limiting plate.
6. the coplanar orthopaedics angularly swung according to claim 1 is oriented to reduction forceps, it is characterised in that：Described two
The upper end of a tong arm is connected to one section of arc linkage section（12）, pilot sleeve（1）A tong arm arc installed therein connects
Connect section（12）Upper end；The coplanar angularly swing mechanism and fixed locating part（8）Connect and at the same time with two tong arms
It is hinged.
7. the coplanar orthopaedics angularly swung according to claim 1 is oriented to reduction forceps, it is characterised in that：The column
The both sides of body are at the same time with fixing locating part（8）Front shoe（30）And rear fixed plate（31）Rotation connection, fixed locating part（8）
Middle front shoe（30）And rear fixed plate（31）Lower part be fixedly connected at the same time.
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 true CN105662571B (en) | 2018-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Citations (9)
| 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 |
| CN101653369A (en) * | 2009-09-14 | 2010-02-24 | 姜洪祯 | Multipurpose forceps for closed reduction and internal fixation of fractures |
| 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 |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1772106A1 (en) * | 2005-10-06 | 2007-04-11 | Zimmer GmbH | Instrument for preparing and/or working the femur head |
| US8080045B2 (en) * | 2008-04-08 | 2011-12-20 | Wotton Iii Harold M | Bone clamp |
| US9089373B2 (en) * | 2009-03-23 | 2015-07-28 | Medical Design Instruments, Llc | Spinous process retractor |
-
2016
- 2016-03-21 CN CN201610159544.1A patent/CN105662571B/en active Active
Patent Citations (9)
| 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 |
| CN201073337Y (en) * | 2007-07-20 | 2008-06-18 | 唐上德 | Guide pin clamp |
| 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 |
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|---|---|
| CN105662571A (en) | 2016-06-15 |
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