CN106994039A - A kind of preparation method of new Sagittal condylar fracture replacement and fixation pincers and its binding clip - Google Patents
A kind of preparation method of new Sagittal condylar fracture replacement and fixation pincers and its binding clip Download PDFInfo
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- CN106994039A CN106994039A CN201710367898.XA CN201710367898A CN106994039A CN 106994039 A CN106994039 A CN 106994039A CN 201710367898 A CN201710367898 A CN 201710367898A CN 106994039 A CN106994039 A CN 106994039A
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- binding clip
- clamp handle
- fixation
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- sagittal condylar
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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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- 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
- A61B2017/564—Methods for bone or joint treatment
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Abstract
The invention discloses a kind of new Sagittal condylar fracture replacement and fixation pincers, including two hand-held rings and two connection members, two connection members are mutually hinged, and upper end is two tong arms, wherein the positioning binding clip and the fastening binding clip of another tong arm top ends of a tong arm top ends；Positioning binding clip include two roots be connected, the gripper jaw that diverges to of end, binding clip is detachable is inserted between two gripper jaws for fastening.The present invention can carry out reset reparation to the fracture between condyle of mandible upper surface and two gripper jaws, and big using scope, flexibility is good.A kind of preparation method of binding clip in pincers for new Sagittal condylar fracture replacement and fixation is also disclosed, and binding clip is combined by following raw materials according：Ultra-high molecular weight polyethylene, nano-ZnO, Nano chitosan and sintering aid micron Ni；The binding clip preparation method production cost of the present invention is relatively low, and binding clip tensile resistance, shock resistance, rigidity and hardness are improved well, while antibacterial ability is greatly improved, it is adaptable to disposable binding clip.
Description
Technical field
The present invention relates to a kind of medical device, and in particular to a kind of new Sagittal condylar fracture replacement and fixation pincers and its binding clip
Preparation method.
Background technology
Sagittal condylar fracture incidence accounts for the 9%~45% of fracture of mandible, and it is always oromaxillo-facial region wound that it, which is treated,
The emphasis and difficult point of wound, if malpractice, easily cause the related complications such as traumatic arthritis, arthrocleisis.In the prominent arrow of condyle
In shape fractures surgical procedure, it is necessary to first carry out the fracture of displacement to reset and then can just be fixed, the matter of reset
Amount is the key for the treatment of.Replacement and fixation pincers are frequently used to the bone reduction for making fracture site discrete in operation or maintained
The bone of reset, after the bone of fracture site is reset and is firmly clamped, can just carry out follow-up surgical work.It is multiple
The head construction of position grips pincers is the use feature place of reduction forceps, and different structures adapts to different operative sites, closed respectively
Suitable reduction forceps can make operation simple, quick.
At present, the conventional Sagittal condylar fracture of in the market is clamped with replacement and fixation, and majority is only used for repairing a fixation side
To Sagittal condylar fracture, replacement and fixation pincers use scope be limited, fixed effect is poor, and flexibility is poor.The patent No.
CN201320558511.6 discloses a kind of prominent intracapsular fracture operative reduction pincers of condyle, including binding clip, claw beam and pincers tail, the claw beam
Hinged by jointed shaft, described two binding clips are the radian shape with bending so that two binding clips connect
It is the hole with radian shape in the middle of after touch, the claw beam is used to stretch close to one end of the pincers tail provided with one to be locked and fixed
The locking mechanism of the claw beam.This replacement and fixation pincers can for one by the head design for clamping the prominent intracapsular fracture operative reduction of condyle
The hole surrounded, and claw beam afterbody lockable is fixed, can easily clamp condylar fracture block, and residual with ramus of mandible in operation
End is resetted and fixed, and facilitates operation technique, and improve the accuracy of operation.But centre after two binding clips are in contact
Hole is used for the fixed form for fixing the prominent sagittal of condyle, and fixed effect is poor, and is only applicable to the phenomenon of the prominent sagittal upper end fracture of condyle, uses
Scope is limited, very flexible；Meanwhile, even if being sterilized after operating forceps use, however it remains safe and healthy hidden danger, operating forceps
Body typically use high-carbon steel material, the apparatus production process of this material is complicated, cost is high, and operating forceps or operation binding clip make
It is too high with rear discarded cost, therefore the operation binding clip that a kind of new medical material with low cost of urgent need is made realizes binding clip one
Secondary property is used, the purpose of postoperative replacing.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to which a kind of existing easy to use, fixed effect of offer is good, soft or hard
Organization protection is excellent and flexibility is good new Sagittal condylar fracture replacement and fixation pincers and its preparation method of binding clip, to solve background
The problem of proposed in technology.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of new Sagittal condylar fracture resets solid
Fixed pincers, including symmetrically arranged two hand-held ring and two connection members that are connected respectively with two hand-held rings, connection member knot described in two
Structure is identical and is mutually hinged in X-shaped structure, and the hinged place of connection member described in two is provided with pin joint, the pin joint
Upper end be two tong arms, the lower end of the pin joint is two clamp handles, and the clamp handle is provided with locking mechanism close to hand-held ring one end；
Its innovative point is：The top ends of the tong arm are provided with binding clip, including are located therein the positioning binding clips of a tong arm top ends and another
The fastening binding clip of one tong arm top ends；The positioning binding clip includes the gripper jaw that two roots are connected, end is diverged to, and is clamped described in two
Claw shape is consistent and bends to circular arc A to binding clip rostral, and the fastening binding clip bends to circular arc B to positioning clamp rostral, described
Binding clip is detachable is inserted between two gripper jaws for fastening.
Further, the arc range of the circular arc A is 150 ° -210 °, the arc range of the circular arc B for 90 ° -
150°。
Further, the contact surface of the fastening binding clip and condyle of mandible is set to middle wide, root and end is narrow
Shape.
Further, the clamp handle includes the first clamp handle being fixedly connected with hand-held ring and be connected with the first clamp handle second
Clamp handle, the first clamp handle upper end sets fluted, and one end of second clamp handle is interspersed in the groove in the first clamp handle, institute
State and screwed hole is additionally provided with the first clamp handle, housing pin is provided with the screwed hole.
Further, second clamp handle one end in the first clamp handle groove is provided with positioning boss, first clamp handle
The limiting stand used cooperatively with positioning boss is provided with recess outlet end.
Further, the upper end of the tong arm medial surface is provided with optically focused with positioning binding clip and fastening binding clip junction
Power switch and lithium ion battery, the spotlight electric connection of power supply switch, the power switch are provided with lamp, the clamp handle
Electrically connect lithium ion battery.
Further, the surface of the hand-held ring is socketed with Anti-slip cover.
Further, the binding clip detachable connection is in the top ends of tong arm.
Further, the locking mechanism is to have a company with latch in extension toothing, one of them described clamp handle
Fitting, connection end of another described clamp handle provided with matching with connector and with latch, the latch card of the connection end
On connector, and it can be moved along connector.
Another technical scheme that the present invention is used for：One kind is used for binding clip in new Sagittal condylar fracture replacement and fixation pincers
Preparation method, its innovative point is：The binding clip is combined by following raw materials according, by weight percentage：Super high molecular weight
Polyethylene be 80%-92%, nano-ZnO be 2.5%-15%, Nano chitosan is 0.5%-5% and sintering aid micron Ni is 0.2%-
1.5%；The preparation method of the binding clip comprises the following steps：
（1）Ultra-high molecular weight polyethylene powder is weighed in proportion, and nanometer ZnO powder and Nano chitosan powder are respectively with appropriate nothing
Water-ethanol is decentralized medium, is made into ultra-high molecular weight polyethylene suspension, ZnO suspension and chitosan suspension, then use respectively
Agitator is sufficiently stirred for, ultrasonic disperse 15-30min；
（2）Ultra-high molecular weight polyethylene suspension obtained as above, ZnO suspension and chitosan suspension are mixed, complex phase is obtained
Suspension, then addition micron Ni is as sintering aid in proportion, and ultrasonic disperse 15-30min is well mixed；
（3）By step（2）Gained mixture is poured into ball grinder, under protective atmosphere, using absolute ethyl alcohol as medium, and each component is former
The pellet weight ratio for expecting total amount and mill ball is 1:10-12, ball milling 48-72h；Then the 110- in electric vacunm drying case
Continuous drying 36-48h at a temperature of 120 DEG C, then sieves in protective atmosphere, obtains mixed powder, seals standby；
（4）By step（3）The mixed powder of gained loads the graphite jig of binding clip, then carries out vacuum heating-press sintering, clip frming forceps
Head, hot pressing parameterses are：1980-2100 DEG C of holding temperature, hot pressing pressure 30-45MPa, soaking time 20-40min rise
Warm 10-15 DEG C of speed/min.
Beneficial effects of the present invention are as follows：
（1）The positioning binding clip of the present invention includes forming gap, replacement and fixation between two gripper jaws, two gripper jaws that both ends are diverged to
When icarceration is closed, fastening binding clip is closed in the gap between two gripper jaws；During use, positioning binding clip and fastening binding clip clamping
In condyle of mandible two sides, reset reparation can be carried out to the fracture of condyle of mandible upper surface, meanwhile, during clamp, two clampings
Pawl is clamped in condyle fracture of mandibles area two ends, can carry out reset reparation to the fracture of the gap location between two gripper jaws,
Avoid bone fragment musculature to peel off during reset, sagittal fracture condyle can be protected to dash forward inboard portion nutritional blood supply to greatest extent,
So as to reduce the possibility of Postoperative Bone tabs absorption, while stable support is provided for interior fix after resetting, and using scope greatly,
Flexibility is good.
（2）Two gripper jaws of the invention and fastening binding clip are respectively provided with into arc-shaped, and operating process can both prevent bone fragment from pressing from both sides
Broken and can protect the important features such as the prominent inner side nervus vasculairs of condyle, while being less prone to the disrepair phenomenon that fractures, mechanical strength is big, gathers around
There are good mechanotransduction structure, convenient sterilizing sterilizing, no structure dead angle.
（3）The contact surface of the prominent sagittal of fastening binding clip and condyle of the present invention is set to the narrow shape in middle wide two ends, binding clip
It is wide in the middle of head, during use, the contact area for sagittal of being dashed forward with condyle is increased, reduces pressure, so as to reduce sagittal of being dashed forward to condyle
The risk for causing secondary damage, fasten binding clip root and end it is narrow, prevent operation when it is unsighted.
（4）The clamp handle of the present invention includes the first clamp handle and the second clamp handle, and the second clamp handle is interspersed in the groove of the first clamp handle,
And practical housing pin is compressed, this structure can realize the lengthening and shortening of clamp handle, be needed that clamp handle is adjusted according to operation
Length, this replacement and fixation pincers are good using flexibility.
（5）The present invention is provided with spotlight, power switch and lithium ion battery, in the case where operation optical fiber is not enough, opens
Spotlight is opened to be illuminated, it is easy to use.
（6）The surface of the hand-held ring of the present invention is socketed with Anti-slip cover, prevents replacement and fixation from being slid during clamping use, to disease
People or replacement and fixation pincers cause damage.
（7）The locking mechanism of the present invention is extension toothing, is easy to the folding journey clamped in surgical procedure to replacement and fixation
Degree is locked, and is facilitated operation technique, is improved the accuracy of operation.
（8）The binding clip preparation method production cost of the present invention is relatively low, and the addition of ZnO and chitosan causes binding clip stretch-resistance
Energy, shock resistance, rigidity and hardness are improved well, while antibacterial ability is greatly improved, it is adaptable to disposable
The binding clip of the replacement and fixation pincers used, disposable binding clip uses safety and sanitation.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention；
Fig. 2 is clamp handle structural representation of the invention；
Fig. 3 is condyle of mandible sagittal fracture schematic diagram in the present invention；
Fig. 4 is condyle of mandible sagittal fracture block reset schematic diagram in the present invention；
Fig. 5 is Fig. 4 A portions partial enlarged drawing.
In figure, 1, hand-held ring；2nd, clamp handle；3rd, tong arm；4th, locking mechanism；5th, gripper jaw；6th, gap；7th, binding clip is fastened；8、
Latch；9th, spotlight；10th, power switch；11st, lithium ion battery；12nd, Anti-slip cover；13rd, condyle of mandible sagittal；14th, mandibular
Sagittal condylar fracture block；21st, the first clamp handle, the 22, second clamp handle；23rd, groove；24th, housing pin；25th, positioning boss；26th, limit
Position platform.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
As depicted in figs. 1 and 2, a kind of new Sagittal condylar fracture replacement and fixation pincers, including symmetrically arranged two hand-held ring 1
With two connection members with being connected respectively with two hand-held rings 1, two connection member structures are identical and are mutually hinged in X-shaped knot
Structure, the hinged place of two connection members is provided with pin joint, and the upper end of pin joint is two tong arms 3, and the lower end of pin joint is two clamp handles
2, clamp handle 2 is provided with locking mechanism 4 close to hand-held one end of ring 1, and the connected mode of optional locking mechanism 4 and clamp handle 2 is welding
Or integrated formed structure, the top ends of tong arm 3 are provided with binding clip, including are located therein the positioning binding clips of the top ends of a tong arm 3 and another
The fastening binding clip 7 of the top ends of one tong arm 3；Positioning binding clip includes the gripper jaw 5 that two roots are connected, end is diverged to, two clamping claw types
Shape is consistent and to the fastening lateral bend of binding clip 7 into circular arc A, and fastening binding clip 7 bends to circular arc B to positioning clamp rostral, and fastening binding clip 7 can
Separate type is inserted between two gripper jaws 5.The positioning binding clip of the present invention includes two gripper jaws 5, two gripper jaws 5 that both ends are diverged to
Between formed gap 6, replacement and fixation icarceration close when, fastening binding clip 7 close in the gap 6 between two gripper jaws 5；Use process
In, positioning binding clip and fastening binding clip 7 are clamped in condyle of mandible two sides, and the fracture of condyle of mandible upper surface can be answered
Position is repaired, meanwhile, during clamp, two gripper jaws 5 are clamped in condyle fracture of mandibles area two ends, can be between two gripper jaws 5
Fracture at gap 6 carries out reset reparation, avoids bone fragment musculature from peeling off when resetting, arrow can be protected to greatest extent
The prominent inboard portion nutritional blood supply of shape fracture condyle, so that the possibility of Postoperative Bone tabs absorption is reduced, and it is interior for what is fractured after resetting
Fixed to provide stable support, while big using scope, flexibility is good.
Circular arc A arc range is 150 ° -210 °, and circular arc B arc range is 90 ° -150 °.Two gripper jaws 5 of the invention
It is all provided with being set to arc-shaped with fastening binding clip 7, operating process can not only prevent that bone fragment was caught broken but also can protect the prominent interior vascellum laterale of condyle
The important features such as nerve, while being less prone to the disrepair phenomenon that fractures, mechanical strength is big, possesses good mechanotransduction structure, side
Just sterilization, no structure dead angle.
The contact surface of fastening binding clip 7 and condyle of mandible is set to middle wide, the narrow shape in root and end.The present invention exists
It is wide in the middle of fastening binding clip 7 during the use performed the operation using replacement and fixation pincers, increase the contact surface for sagittal of being dashed forward with condyle
Product, reduces pressure, so as to reduce the risk for causing secondary damage for sagittal of being dashed forward to condyle, the root and end for fastening binding clip are narrow, prevent
It is unsighted when only performing the operation.
Clamp handle 2 includes the first clamp handle 21 being fixedly connected with hand-held ring 1 and the second clamp handle 22 being connected with the first clamp handle 21,
The upper end of first clamp handle 21 sets fluted 23, and one end of the second clamp handle 22 is interspersed in the groove 23 in the first clamp handle 21, and first
21 are additionally provided with screwed hole, screwed hole and are provided with housing pin 24 in clamp handle.The second clamp handle 22 of the present invention is interspersed in first
In the groove 23 of clamp handle 21, and practical housing pin 24 is compressed, and this structure can realize the lengthening and shortening of clamp handle 2, according to
Operation needs that the length of clamp handle 2 is adjusted, and this replacement and fixation pincers are good using flexibility.
Second clamp handle 22 one end in the groove 23 of the first clamp handle 21 is provided with positioning boss 25, the first clamp handle 21 in groove
23 ports of export are provided with the limiting stand 26 used cooperatively with positioning boss 25, and positioning boss 25 is used cooperatively with limiting stand 26, right
Second clamp handle 2 carries out development length and limited.
The upper end of the medial surface of tong arm 3 is provided with spotlight 9 with positioning binding clip and fastening binding clip 7 junction, optionally, gathers
Light lamp 9 is fixedly connected with the connected mode of tong arm 3 for inlaid type；Power switch 10 and lithium ion battery 11 are provided with clamp handle 2,
The electric connection of power supply of spotlight 9 switch 10, power switch 10 electrical connection lithium ion battery 11, spotlight 9, power switch 10 and lithium from
Sub- battery 11 is commercially available common electronicses element.The present invention is provided with spotlight 9, power switch 10 and lithium ion battery 11,
In the case where operation optical fiber is not enough, opens spotlight 9 and be illuminated, it is easy to use.
The surface of hand-held ring 1 is socketed with Anti-slip cover 12, prevents replacement and fixation from being slid during clamping use, to patient or reset
Grips pincers cause damage.
Locking mechanism 4 is to have a connector with latch, another clamp handle 2 in extension toothing, one of clamp handle 2
Connection end provided with matching with connector and with latch 8, the latch 8 of connection end is stuck on connector, and can be along connection
Part is moved；It is easy in surgical procedure lock the folding degree that replacement and fixation is clamped, facilitates operation technique, improve hand
The accuracy of art.
Binding clip detachable connection is easy to binding clip dismounting and change in the top ends of tong arm, and can be according to the specific of patient
Shape, changes various sizes of binding clip.
As shown in Figure 3-Figure 5, in the case of condyle of mandible sagittal fracture, with operating forceps by condyle of mandible sagittal fracture
Block 14 is placed in condyle of mandible sagittal 13, the positioning binding clip and fastening binding clip 7 of sagittal replacement and fixation pincers of being dashed forward using new condyle
It is clamped in the both sides of condyle of mandible sagittal 13 and condyle of mandible sagittal fracture block 14, condyle of mandible sagittal 13 is answered
Position is fixed.
Embodiment 1
A kind of preparation method of binding clip in pincers for new Sagittal condylar fracture replacement and fixation, the binding clip is combined by following raw materials according
Form, by weight percentage：Ultra-high molecular weight polyethylene is that 92%, nano-ZnO is that 6%, Nano chitosan is 0.5% and sintering
Auxiliary agent micron Ni is 1.5%；The preparation method of the binding clip comprises the following steps：
（1）Ultra-high molecular weight polyethylene powder is weighed in proportion, and nanometer ZnO powder and Nano chitosan powder are respectively with appropriate nothing
Water-ethanol is decentralized medium, is made into ultra-high molecular weight polyethylene suspension, ZnO suspension and chitosan suspension, then use respectively
Agitator is sufficiently stirred for, ultrasonic disperse 15-30min；
（2）Ultra-high molecular weight polyethylene suspension obtained as above, ZnO suspension and chitosan suspension are mixed, complex phase is obtained
Suspension, then addition micron Ni is as sintering aid in proportion, and ultrasonic disperse 15-30min is well mixed；
（3）By step（2）Gained mixture is poured into ball grinder, under protective atmosphere, using absolute ethyl alcohol as medium, and each component is former
The pellet weight ratio for expecting total amount and mill ball is 1:10-12, ball milling 48-72h；Then the 110- in electric vacunm drying case
Continuous drying 36-48h at a temperature of 120 DEG C, then sieves in protective atmosphere, obtains mixed powder, seals standby；
（4）By step（3）The mixed powder of gained loads the graphite jig of binding clip, then carries out vacuum heating-press sintering, clip frming forceps
Head, hot pressing parameterses are：1980 DEG C of holding temperature, hot pressing pressure 30MPa, soaking time 20min, heating rate 10-
15℃ /min。
Embodiment 2
A kind of preparation method of binding clip in pincers for new Sagittal condylar fracture replacement and fixation, the binding clip is combined by following raw materials according
Form, by weight percentage：Ultra-high molecular weight polyethylene is that 80%%, nano-ZnO is that 15%, Nano chitosan is 4% and sintering
Auxiliary agent micron Ni is 1%；The preparation method of the binding clip comprises the following steps：
（5）Ultra-high molecular weight polyethylene powder is weighed in proportion, and nanometer ZnO powder and Nano chitosan powder are respectively with appropriate nothing
Water-ethanol is decentralized medium, is made into ultra-high molecular weight polyethylene suspension, ZnO suspension and chitosan suspension, then use respectively
Agitator is sufficiently stirred for, ultrasonic disperse 15-30min；
（6）Ultra-high molecular weight polyethylene suspension obtained as above, ZnO suspension and chitosan suspension are mixed, complex phase is obtained
Suspension, then addition micron Ni is as sintering aid in proportion, and ultrasonic disperse 15-30min is well mixed；
（7）By step（6）Gained mixture is poured into ball grinder, under protective atmosphere, using absolute ethyl alcohol as medium, and each component is former
The pellet weight ratio for expecting total amount and mill ball is 1:10-12, ball milling 48-72h；Then the 110- in electric vacunm drying case
Continuous drying 36-48h at a temperature of 120 DEG C, then sieves in protective atmosphere, obtains mixed powder, seals standby；
（8）By step（7）The powder of gained loads the graphite jig of binding clip, then carries out vacuum heating-press sintering, shaping binding clip, heat
Pressure technological parameter be：2100 DEG C of holding temperature, hot pressing pressure 45MPa, soaking time 40min, 15 DEG C of heating rate/
min。
Embodiment 3
A kind of preparation method of binding clip in pincers for new Sagittal condylar fracture replacement and fixation, the binding clip is combined by following raw materials according
Form, by weight percentage：Ultra-high molecular weight polyethylene is that 86.5%, nano-ZnO is that 10%, Nano chitosan is 3% and sintering
Auxiliary agent micron Ni is 0.5%；The preparation method of the binding clip comprises the following steps：
（9）Ultra-high molecular weight polyethylene powder is weighed in proportion, and nanometer ZnO powder and Nano chitosan powder are respectively with appropriate nothing
Water-ethanol is decentralized medium, is made into ultra-high molecular weight polyethylene suspension, ZnO suspension and chitosan suspension, then use respectively
Agitator is sufficiently stirred for, ultrasonic disperse 15-30min；
（10）Ultra-high molecular weight polyethylene suspension obtained as above, ZnO suspension and chitosan suspension are mixed, complex phase is obtained
Suspension, then addition micron Ni is as sintering aid in proportion, and ultrasonic disperse 15-30min is well mixed；
（11）By step（10）Gained mixture is poured into ball grinder, under protective atmosphere, using absolute ethyl alcohol as medium, each component
The pellet weight ratio of raw material total amount and mill ball is 1:10-12, ball milling 48-72h；Then in electric vacunm drying case
Continuous drying 36-48h at a temperature of 110-120 DEG C, then sieves in protective atmosphere, obtains mixed powder, seals standby；
（12）By step（11）The mixed powder of gained loads the graphite jig of binding clip, then carries out vacuum heating-press sintering, shaping
Binding clip, hot pressing parameterses are：2050 DEG C of holding temperature, hot pressing pressure 40MPa, soaking time 30min, heating rate 12
℃ /min。
Limit stress, Young's modulus and the hardness for the composite that comparative example 1, embodiment 2, embodiment 3 are produced
With comparing for the limit stress, Young's modulus and hardness of common superhigh molecular weight polyethylene material, specific data such as following table institute
Show：
| Performance indications | The ratio between limit stress | The ratio between Young's modulus | The ratio between hardness |
| Embodiment 1 | 1.38 | 2.58 | 2.05 |
| Embodiment 2 | 1.54 | 3.03 | 2.28 |
| Embodiment 3 | 1.98 | 3.32 | 2.98 |
Contrast upper table and understand that the binding clip material that embodiment 1, embodiment 2 and embodiment 3 are produced is relative to common super high molecular weight
Polythene material has more preferable limit stress, Young's modulus and hardness.
The binding clip preparation method production cost of the present invention is relatively low, the addition of ZnO and chitosan cause binding clip tensile resistance,
Shock resistance, rigidity and hardness are improved well, while antibacterial ability is greatly improved, it is adaptable to disposable
Binding clip.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (10)
1. a kind of new Sagittal condylar fracture replacement and fixation pincers, including symmetrically arranged two hand-held ring and respectively with two hand-held rings companies
Two connection members connect, connection member structure described in two is identical and is mutually hinged in X-shaped structure, connection member described in two
Hinged place be provided with pin joint, the upper end of the pin joint is two tong arms, and the lower end of the pin joint is two clamp handles, the pincers
Handle is provided with locking mechanism close to hand-held ring one end；It is characterized in that：The top ends of the tong arm are provided with binding clip, including located at it
In a tong arm top ends positioning binding clip and another tong arm top ends fastening binding clip；The positioning binding clip includes two root phases
Even, the gripper jaw that end is diverged to, clamps claw shape unanimously described in two and bends to circular arc A, the binding clip to binding clip rostral
Head bends to circular arc B to positioning clamp rostral, and the fastening binding clip is detachable to be inserted between two gripper jaws.
2. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The circular arc A
Arc range be 150 ° -210 °, the arc range of the circular arc B is 90 ° -150 °.
3. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The binding clip
The contact surface of head and condyle of mandible is set to middle wide, the narrow shape in root and end.
4. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The clamp handle bag
The first clamp handle being fixedly connected with hand-held ring and the second clamp handle being connected with the first clamp handle are included, the first clamp handle upper end is provided with
Groove, one end of second clamp handle is interspersed in the groove in the first clamp handle, and screwed hole is additionally provided with first clamp handle,
Housing pin is provided with the screwed hole.
5. a kind of new Sagittal condylar fracture replacement and fixation pincers according to any one of claim 1 or 4, its feature exists
In：Second clamp handle one end in the first clamp handle groove is provided with positioning boss, first clamp handle at recess outlet end
It is provided with the limiting stand used cooperatively with positioning boss.
6. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：In the tong arm
The upper end of side be provided with positioning binding clip and fastening binding clip junction in spotlight, the clamp handle be provided with power switch with
Lithium ion battery, the spotlight electric connection of power supply switch, the power switch electrically connects lithium ion battery.
7. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The hand-held ring
Surface be socketed with Anti-slip cover.
8. a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The locking machine
Structure is extension toothing, there is a connector with latch in one of them described clamp handle, another described clamp handle be provided with
Connector matches and the connection end with latch, and the latch of the connection end is stuck on connector, and can be moved along connector.
9. new Sagittal condylar fracture replacement and fixation pincers according to claim 1, it is characterised in that：The binding clip is detachable
Formula is connected to the top ends of tong arm.
10. a kind of preparation for binding clip in a kind of new Sagittal condylar fracture replacement and fixation pincers according to claim 1
Method, it is characterised in that：The binding clip is combined by following raw materials according, by weight percentage：Ultra-high molecular weight polyethylene is
80%-92%, nano-ZnO are 2.5%-15%, Nano chitosan is 0.5%-5% and sintering aid micron Ni is 0.2%-1.5%；It is described
The preparation method of binding clip comprises the following steps：
（1）Ultra-high molecular weight polyethylene powder, nanometer ZnO powder and Nano chitosan powder are weighed in proportion respectively with appropriate nothing
Water-ethanol is decentralized medium, is made into ultra-high molecular weight polyethylene suspension, ZnO suspension and chitosan suspension, then use respectively
Agitator is sufficiently stirred for, ultrasonic disperse 15-30min；
（2）Ultra-high molecular weight polyethylene suspension obtained as above, ZnO suspension and chitosan suspension are mixed, complex phase is obtained
Suspension, then addition micron Ni is as sintering aid in proportion, and ultrasonic disperse 15-30min is well mixed；
（3）By step（2）Gained mixture is poured into ball grinder, under protective atmosphere, using absolute ethyl alcohol as medium, and each component is former
The pellet weight ratio for expecting total amount and mill ball is 1:10-12, ball milling 48-72h；Then the 110- in electric vacunm drying case
Continuous drying 36-48h at a temperature of 120 DEG C, then sieves in protective atmosphere, obtains mixed powder, seals standby；
（4）By step（3）The mixed powder of gained loads the graphite jig of binding clip, then carries out vacuum heating-press sintering, clip frming forceps
Head, hot pressing parameterses are：1980-2100 DEG C of holding temperature, hot pressing pressure 30-45MPa, soaking time 20-40min rise
Warm 10-15 DEG C of speed/min.
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| CN201710367898.XA CN106994039A (en) | 2017-05-23 | 2017-05-23 | A kind of preparation method of new Sagittal condylar fracture replacement and fixation pincers and its binding clip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789049A (en) * | 2017-12-06 | 2018-03-13 | 北京思宇博特科技有限公司 | A kind of fracture resetting tongs |
| CN109288581A (en) * | 2018-09-21 | 2019-02-01 | 杨君奎 | A kind of orthopaedic trauma of accurate positioning is clamped with replacement and fixation |
| CN109893267A (en) * | 2019-03-28 | 2019-06-18 | 北京劲松口腔医院投资管理有限公司 | A kind of ligature loop clamps in place |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201135483Y (en) * | 2007-12-29 | 2008-10-22 | 沈勇灵 | Improved structure of orthopaedics tong |
| CN103058662A (en) * | 2013-01-31 | 2013-04-24 | 山东轻工业学院 | Titanium diboride-based composite self-lubricating ceramic tool material and preparation method thereof |
| CN203829001U (en) * | 2014-04-16 | 2014-09-17 | 佳木斯大学 | Extensible lamplight forceps for maxillofacial surgical operation |
| CN204072283U (en) * | 2014-09-09 | 2015-01-07 | 李双 | medical reduction forceps |
| CN204734532U (en) * | 2015-04-07 | 2015-11-04 | 武汉市中医医院 | A pincers that reset for complexity fracture |
| CN205148116U (en) * | 2015-11-09 | 2016-04-13 | 于泓川 | Multifunctional pliers |
| CN106377285A (en) * | 2016-09-18 | 2017-02-08 | 成都测迪森生物科技有限公司 | Antibacterial hair transplantation device |
| CN208017567U (en) * | 2017-05-23 | 2018-10-30 | 南通大学附属医院 | A kind of novel Sagittal condylar fracture replacement and fixation pincers |
-
2017
- 2017-05-23 CN CN201710367898.XA patent/CN106994039A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201135483Y (en) * | 2007-12-29 | 2008-10-22 | 沈勇灵 | Improved structure of orthopaedics tong |
| CN103058662A (en) * | 2013-01-31 | 2013-04-24 | 山东轻工业学院 | Titanium diboride-based composite self-lubricating ceramic tool material and preparation method thereof |
| CN203829001U (en) * | 2014-04-16 | 2014-09-17 | 佳木斯大学 | Extensible lamplight forceps for maxillofacial surgical operation |
| CN204072283U (en) * | 2014-09-09 | 2015-01-07 | 李双 | medical reduction forceps |
| CN204734532U (en) * | 2015-04-07 | 2015-11-04 | 武汉市中医医院 | A pincers that reset for complexity fracture |
| CN205148116U (en) * | 2015-11-09 | 2016-04-13 | 于泓川 | Multifunctional pliers |
| CN106377285A (en) * | 2016-09-18 | 2017-02-08 | 成都测迪森生物科技有限公司 | Antibacterial hair transplantation device |
| CN208017567U (en) * | 2017-05-23 | 2018-10-30 | 南通大学附属医院 | A kind of novel Sagittal condylar fracture replacement and fixation pincers |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107789049A (en) * | 2017-12-06 | 2018-03-13 | 北京思宇博特科技有限公司 | A kind of fracture resetting tongs |
| CN109288581A (en) * | 2018-09-21 | 2019-02-01 | 杨君奎 | A kind of orthopaedic trauma of accurate positioning is clamped with replacement and fixation |
| CN109893267A (en) * | 2019-03-28 | 2019-06-18 | 北京劲松口腔医院投资管理有限公司 | A kind of ligature loop clamps in place |
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