CN205667568U - Mandibular bone reduction forceps - Google Patents
Mandibular bone reduction forceps Download PDFInfo
- Publication number
- CN205667568U CN205667568U CN201620064950.5U CN201620064950U CN205667568U CN 205667568 U CN205667568 U CN 205667568U CN 201620064950 U CN201620064950 U CN 201620064950U CN 205667568 U CN205667568 U CN 205667568U
- Authority
- CN
- China
- Prior art keywords
- chela
- free end
- claw beam
- mandibular bone
- caliper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 47
- 241000040710 Chela Species 0.000 claims abstract description 164
- 238000005452 bending Methods 0.000 claims description 48
- 210000000078 claw Anatomy 0.000 claims description 43
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 31
- 210000003462 vein Anatomy 0.000 claims description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004373 mandible Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002529 medical grade silicone Polymers 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Abstract
This utility model relates to technical field of medical instruments, especially relate to a kind of mandibular bone reduction forceps, the mandibular bone reduction forceps that this utility model provides includes the first caliper and the second caliper, described first caliper and described second caliper pass through hinge, described first caliper includes the first chela and the first clamp handle, described first chela is connected with described first clamp handle, described second caliper includes the second chela and the second clamp handle, described second chela is connected with described second clamp handle, the end that connects connecting end and described second chela of described first chela bends towards the homonymy of reference plane, described reference plane are the plane of the rotation axis being perpendicular to described bearing pin；The free end of described first chela bends in opposite directions with the free end of described second chela, and described first chela and described second chela, for clamping the knochenbruch of mandibular bone, make described knochenbruch reset, thus improve the success rate of mandibular bone reattachment surgery in clinic.
Description
Technical field
This utility model relates to technical field of medical instruments, especially relates to a kind of mandibular bone reduction forceps.
Background technology
Fracture of mandible, is common maxillofacial fracture, can cause occlusal disturbance, maxillofacial deformities, and impact is taken food and sends out
Sound function, needs to carry out reduction of the fracture operation and is fixed.When carrying out mandibular bone reattachment surgery, it is often necessary to medical apparatus and instruments comes
Auxiliary is carried out, and the most more common is fracture resetting tongs.
Existing fracture resetting tongs is typically formed by two claw beams are hinged, and front end is clamping part, and rear end is grip part, makes
Used time, clamping part clamp two sections of knochenbruch, fixing after two sections of knochenbruch are pulled to reset position.But the shape of mandibular bone is special,
And fracture resetting tongs does not have specific aim, when carrying out mandibular bone reattachment surgery, the clamping part of fracture resetting tongs is difficult to will fracture
Mandibular bone firmly clamp, easily cause displacement or the dislocation of fractured bone, and in Intraoral incision of being expert at, carry out mandibular bone reset
During operation, fracture resetting tongs cannot use at all, causes mandibular bone reattachment surgery success rate in clinic low, and operating time is long, gives
The operation of doctor is made troubles, and also adds misery to patient.
Utility model content
The purpose of this utility model is to provide a kind of mandibular bone reduction forceps, multiple to solve fracture present in prior art
Position pincers do not possess specific aim when carrying out mandibular bone reattachment surgery, are difficult to firmly clamp the mandibular bone of fracture, easily cause lower jaw
Diostosis or dislocation, and application in Intraoral incision of cannot being expert at, cause mandibular bone reattachment surgery success rate in clinic low, operation
The technical problem of time length.
The mandibular bone reduction forceps that this utility model provides, including the first caliper and the second caliper, described first caliper and institute
Stating the second caliper and pass through hinge, described first caliper includes the first chela and the first clamp handle, and described first chela is with described
First clamp handle connects, and described second caliper includes the second chela and the second clamp handle, and described second chela is with described second clamp handle even
Connecing, the end that connects connecting end and described second chela of described first chela bends towards the homonymy of reference plane, described reference plane
For being perpendicular to the plane of the rotation axis of described bearing pin；The free end phase of the free end of described first chela and described second chela
To bending, described first chela and described second chela for clamping the knochenbruch of mandibular bone, described knochenbruch is made to reset.
Further, the bending angle connecting end of described first chela is 135 °-145 °, the connection of described second chela
The bending angle of end is 135 °-145 °, the bending angle connecting end of described first chela and the connection end of described second chela
Bending angle identical.
Further, the bending angle connecting end connecting the bending angle of end and described second chela of described first chela
Degree is 140 °.
Further, the bending angle of the free end of described first chela is 140 °-150 °, the freedom of described second chela
The bending angle of end is 140 °-150 °, the bending angle of the free end of described first chela and the free end of described second chela
Bending angle identical.
Further, the bending angle of the free end of the bending angle of the free end of described first chela and described second chela
Degree is 145 °.
Further, described first clamp handle includes the first claw beam and the first pincers ring, and one end of described first claw beam is with described
First pincers ring connects, and the other end of described first claw beam is connected with described first chela；Described second clamp handle includes the second claw beam
With the second pincers ring, one end of described second claw beam is connected with described second pincers ring, the other end of described second claw beam and described the
Two chelas connect.
Further, the end of the free end of the end of the free end of described first chela and described second chela is all in point
Shape, so that the free end of the free end of described first chela and described second chela is inserted in described knochenbruch.
Further, locking device, described locking device bag it are provided with between described first claw beam and described second claw beam
Including card article and buckle, described card article is connected with described first claw beam, and described buckle is connected with described second claw beam, on described card article
Being provided with multiple groove, described card is buckled and is provided with multiple projection, and described projection is used for being sticked in described groove.
Further, the cross-sectional area of described first chela by described first chela connect end to described first chela
The direction of free end tapers into, and the cross-sectional area of described second chela is clamped to described second by the connection end of described second chela
The direction of the free end of pawl tapers into.
Further, described first pincers ring and described second pincers ring are provided with anti-slip veins or tread plate.
The mandibular bone reduction forceps that this utility model provides, when carrying out mandibular bone reattachment surgery, by the company of the first chela
The end that connects connecing end and the second chela bends towards the homonymy of reference plane, and reference plane are to be perpendicular to the rotation axis of described bearing pin
Plane so that the first chela and the second chela can be applied to the row Intraoral incision of mandibular bone reattachment surgery；By the first chela
Free end and the free end of the second chela bend in opposite directions so that the first chela and the second chela with the use of time, it is possible to clamping
The knochenbruch of mandibular bone, makes knochenbruch Rapid reset, makes patient obtain more preferable prognosis, thus improves mandibular bone reset hands in clinic
The success rate of art, shortens operating time, simplifies the operation of doctor, also mitigates the misery of patient simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the mandibular bone reduction forceps that Fig. 1 a provides for this utility model embodiment；
Fig. 1 b is the A direction view in Fig. 1 a；
The use view of the mandibular bone reduction forceps that Fig. 2 a provides for this utility model embodiment；
The use view of another angle of the mandibular bone reduction forceps that Fig. 2 b provides for this utility model embodiment.
Reference:
101-the first caliper；102-the second caliper；103-the first chela；
104-the second chela；105-the first clamp handle；106-the second clamp handle
107-the first claw beam；108-the second claw beam；109-first clamps ring；
110-second clamps ring；111-card article；112-buckle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
The structural representation of the mandibular bone reduction forceps that Fig. 1 a provides for this utility model embodiment one；Fig. 1 b is in Fig. 1 a
A direction view；The use view of the mandibular bone reduction forceps that Fig. 2 a provides for this utility model embodiment one；Fig. 2 b is Fig. 2 a
In B direction view.
As seen in figure la and lb, the mandibular bone reduction forceps that the present embodiment provides, including the first caliper 101 and the second caliper
102, the first caliper 101 and the second caliper 102 are by hinge, and the first caliper 101 includes the first chela 103 and the first clamp handle
105, the first chela 103 is connected with described first clamp handle 105, and the second caliper 102 includes the second chela 104 and the second clamp handle 106,
Second chela 104 is connected with the second clamp handle 106, and the connection end connecting end and the second chela 104 of the first chela 103 bends towards reference
The homonymy of plane, described reference plane are the plane of the rotation axis being perpendicular to described bearing pin；The free end of the first chela 103 with
The free end of the second chela 104 bends in opposite directions, two ends that fracture of the knochenbruch for clamping mandibular bone, makes described knochenbruch reset.
In the present embodiment, reference plane are bent towards by the connection end connecting end and the second chela 104 of the first chela 103
Homonymy, reference plane are the plane of the rotation axis being perpendicular to pivot pin so that this utility model provide mandibular bone reduction forceps
The Intraoral incision of mandibular bone can be applied to；The most curved by the free end of the first chela 103 and the free end of the second chela 104
Folding so that the free end of the first chela 103 and the free end of the second chela 104, in encircling shape, lead due to muscle resisting knochenbruch
Draw the tension force of generation, so that the two of the knochenbruch of mandibular bone ends that fracture can clamp, after making two ends that fracture be pulled to reset position
Fixing, it is to avoid dislocation or displacement to occur when resolving reduction, improves the success rate of mandibular bone reattachment surgery.
Described first chela 103 connect end bending angle be 135 °-145 °, described second chela connect end curved
Knuckle degree is 135 °-145 °, the bending angle connecting end of described first chela and the bending connecting end of described second chela
Angle is identical.
The bending angle connecting end of described first chela and the bending angle connecting end of described second chela are
140°。
The bending angle connecting end of the first chela 103 and the bending angle connecting end of the second chela 104 affect first
Chela 103 and the second chela 104 are expert at the application of Intraoral incision, the bending angle connecting end of the first chela 103 and the second pincers
Pawl 104 connect end bending angle excessive so that the first chela 103 and the second chela 104 cannot be expert at Intraoral incision use；
The bending angle connecting end of the first chela 103 and the bending angle connecting end of the second chela 104 are too small so that the first chela
103 and second chela 104 also cannot be expert at Intraoral incision use.The bending angle connecting end of the first chela 103 is preferably
135 °-145 °, the bending angle connecting end of the second chela 104 is preferably 135 °-145 °, and the connection of the first chela 103
The bending angle of end and the bending angle connecting end of the second chela 104 are identical；The bending angle connecting end when the first chela 103
When the bending angle connecting end of degree and the second chela 104 is 140 °, the first chela 103 and the second chela 104 are at lower jaw row
Intraoral incision is the most convenient and swift when applying.
The bending angle of the free end of the first chela 103 is 130 °-140 °, the bending angle of the free end of the second chela 104
Degree is 130 °-140 °, the bending angle of the free end of the first chela 103 and the bending angle phase of the free end of the second chela 104
With.
The bending angle of the bending angle of the free end of the first chela 103 and the free end of the second chela 104 is 135 °.
The bending angle of the bending angle of the free end of the first chela 103 and the free end of the second chela 104 affects first
Chela 103 and the circumferential retention power of the second chela 104, angle is excessive cannot produce sufficiently large circumferential retention power, it is impossible to by two
Section knochenbruch clamping, the least cannot or being difficult to of angle blocks two sections of knochenbruch；The bending angle of the free end of the first chela 103 is preferred
Being 130 °-140 °, the bending angle of the free end of the second chela 104 is preferably 130 °-140 °, and the first chela 103 from
Bending angle by the bending angle held and the free end of the second chela 104 is identical；Bending when the free end of the first chela 103
When the bending angle of the free end of angle and the second chela 104 is 135 °, clamping effect is best.
First clamp handle 105 includes the first claw beam 107 and the first pincers ring 109, one end of the first claw beam 107 and the first pincers ring
109 connect, and the other end and first chela 103 of the first claw beam 107 connect；Second clamp handle 106 includes the second claw beam 108 and second
Pincers ring 110, one end of the second claw beam 108 is connected with the second pincers ring 110, and the other end of the second claw beam 108 and the second chela 104 are even
Connect.
First pincers ring 109 and the second pincers ring 110 are lantern finger ring, two lantern finger rings with the use of so that doctor's finger is stretched
Grip the first claw beam 107 after entering and the second claw beam 108 is operated, make the first chela 103 and the second chela 104 to press from both sides
Two ends that fracture of the knochenbruch of tight mandibular bone.
In the present embodiment, the end face of the end face of the first claw beam 107 and the first pincers ring 109 is coplanar, the end of the first pincers ring 109
The end face of face and the second claw beam 108 is coplanar.Reference plane are parallel to end face and the end face of the first pincers ring 109 of the first claw beam 107
The plane at place, reference plane are also parallel with the end face of the second claw beam 108 and the plane at the end face place of the second pincers ring 110.
In the present embodiment, the end of the free end of the end of the free end of the first chela 103 and the second chela 104 all in
It is pointed, so that the free end of the free end of the first chela 103 and the second chela 104 is inserted in described knochenbruch.
As shown in Figure 2 a and 2 b, when carrying out mandibular bone reattachment surgery, need two end difference that fracture first at knochenbruch
Two holes are made a call to, then by the end of the free end of the first chela 103 and the end of the free end of the second chela 104 with orthopedic dynamic
Insert in two holes respectively, the first chela 103 and the second chela 104 are clamped, make two of the knochenbruch ends that fracture reset, finally make
With titanium plate, knochenbruch is fixed.
Being provided with locking device between first claw beam 107 and described second claw beam 108, described locking device includes card article
111 and buckle 112, described card article 111 is connected with described first claw beam 107, and described buckle 112 is with described second claw beam 108 even
Connecing, described card article is provided with multiple groove, described card is buckled and is provided with multiple projection, and described projection is used for being fastened on described recessed
In groove.
Between the first claw beam 107 and described second claw beam 108, it is provided with locking device, makes the lower jaw that the present embodiment provides
Reduction pincers can regulate mandibular bone reduction forceps reset strength according to the size of the end myotasis generation tension force that fractures of knochenbruch
Size, strength crosses conference and produces mandibular bone and destroy, and strength is too small can not fracture to knochenbruch end active homing keeping surely
Fixed.By arranging multiple groove and multiple projection so that locking device can produce according to the end myotasis that fractures of knochenbruch to be opened
Distance between size adjustment the first claw beam 107 and second claw beam 108 of power so that mandibular bone reduction forceps reset strength is moderate,
Enable the end active homing that fractures of knochenbruch.
In the present embodiment, the first embodiment of locking device is that on card article 111, the groove of setting is rectangular recess,
Projection on buckle 112 is that rectangle is protruding, and the quantity of rectangular recess is 2-5, and the quantity of rectangle projection is 2-5.
In the present embodiment, the second embodiment of locking device is that on card article 111, the groove of setting is circular groove, card
Projection on button 112 is circular protrusions, and the quantity of circular groove is 2-5, and the quantity of circular protrusions is 2-5.
In the present embodiment, the third embodiment of locking device is that on card article 111, the groove of setting is triangular groove,
Projection on buckle 112 is triangular hill, and the quantity of triangular groove is 2-5, and the quantity of triangular hill is 2-5.
The cross-sectional area of the first chela 103 by the first chela 103 connect end to the direction of the free end of the first chela 103
Taper into；The cross-sectional area of the second chela 104 by the second chela 104 connect end to the side of the free end of the second chela 104
To tapering into.
The cross-sectional area of the first chela 103 by the first chela 103 connect end to the direction of the free end of the first chela 103
Taper into so that the tip shaped of the free end of the first chela 103, it is possible to insert in knochenbruch, make the first chela 103 simultaneously
Free end can only be in the insertion knochenbruch of part, it is to avoid it is the deepest that the free end of the first chela 103 inserts knochenbruch, causes the damage of knochenbruch
Wound；The cross-sectional area of the second chela 104 is by the connection end of the second chela 104 to the direction of the free end of the second chela 104 gradually
Diminish so that the tip shaped of the free end of the second chela 104, it is possible to insert in knochenbruch, make simultaneously the second chela 104 from
Can only be in the insertion knochenbruch of part by end, it is to avoid it is the deepest that the free end of the second chela 104 inserts knochenbruch, causes the damage of knochenbruch.
It is provided with anti-slip veins or tread plate on first pincers ring 109 and described second pincers ring 110.
First pincers ring 109 and the second pincers ring 110 are provided with anti-slip veins or tread plate, to avoid mandibular bone reattachment surgery
Time, when doctor grips the first pincers ring 109 and the second pincers ring 110, finger slides, causes the failure of reattachment surgery, at the present embodiment
In, the material of tread plate is medical grade silicon rubber.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (4)
1. a mandibular bone reduction forceps, it is characterised in that: include the first caliper and the second caliper, described first caliper and described
Two calipers pass through hinge, and described first caliper includes the first chela and the first clamp handle, described first chela and described first
Clamp handle connects, and described second caliper includes that the second chela and the second clamp handle, described second chela are connected with described second clamp handle, institute
The end that connects connecting end and described second chela stating the first chela bends towards the homonymy of reference plane, and described reference plane are vertical
Plane in the rotation axis of described bearing pin；The free end of described first chela is the most curved with the free end of described second chela
Folding, described first chela and described second chela, for clamping the knochenbruch of mandibular bone, make described knochenbruch reset, described first chela
The bending angle connecting end connecting the bending angle of end and described second chela be 140 °, the freedom of described first chela
The bending angle of the bending angle of end and the free end of described second chela is 145 °, and described first clamp handle includes the first claw beam
With the first pincers ring, one end of described first claw beam is connected with described first pincers ring, the other end of described first claw beam and described the
One chela connects；Described second clamp handle includes the second claw beam and the second pincers ring, one end of described second claw beam and described second pincers
Ring connects, and the other end of described second claw beam is connected with described second chela, between described first claw beam and described second claw beam
Being provided with locking device, described locking device includes that card article and buckle, described card article are connected with described first claw beam, described buckle
Being connected with described second claw beam, described card article is provided with multiple groove, described card is buckled and is provided with multiple projection, described projection
For being sticked in described groove.
Mandibular bone reduction forceps the most according to claim 1, it is characterised in that: the end of the free end of described first chela and
The end of the free end of described second chela is the most pointed so that the free end of described first chela and described second chela from
It is inserted in described knochenbruch by end.
Mandibular bone reduction forceps the most according to claim 2, it is characterised in that: the cross-sectional area of described first chela is by described
First chela connect end taper into the direction of the free end of described first chela, the cross-sectional area of described second chela by
The end that connects of described second chela tapers into the direction of the free end of described second chela.
Mandibular bone reduction forceps the most according to claim 1, it is characterised in that described: described first pincers ring and described second pincers
Anti-slip veins or tread plate it is provided with on ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064950.5U CN205667568U (en) | 2016-01-22 | 2016-01-22 | Mandibular bone reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064950.5U CN205667568U (en) | 2016-01-22 | 2016-01-22 | Mandibular bone reduction forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205667568U true CN205667568U (en) | 2016-11-02 |
Family
ID=57193104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620064950.5U Expired - Fee Related CN205667568U (en) | 2016-01-22 | 2016-01-22 | Mandibular bone reduction forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205667568U (en) |
-
2016
- 2016-01-22 CN CN201620064950.5U patent/CN205667568U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161102 |