CN108992150A - Mandibular angle fractures reduction forceps - Google Patents
Mandibular angle fractures reduction forceps Download PDFInfo
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- CN108992150A CN108992150A CN201811003603.1A CN201811003603A CN108992150A CN 108992150 A CN108992150 A CN 108992150A CN 201811003603 A CN201811003603 A CN 201811003603A CN 108992150 A CN108992150 A CN 108992150A
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- pincers
- caliper
- chela
- reduction forceps
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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
-
- 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
-
- 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
- A61B17/282—Jaws
-
- 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
- A61B17/2833—Locking means
-
- 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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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of mandibular angle fractures reduction forceps, including the first caliper and the second caliper, two calipers are hinged by pin shaft, each caliper includes the chela section of front and the handle section at rear portion, the front end of the chela section is formed for being inserted into the corresponding auxiliary fixed hole of fracture line side to apply the pincers beak for closing up reset force, it is equipped in each chela section for pressing against fracture line corresponding side angle of mandible bone surface to guarantee the support face of fracture line two sides fracture site alignment when the pincers beak applies and closes up reset force, support face, which misplaces, is arranged in the rear of corresponding chela section front end.It after clamping in beak insertion supplementary retention hole, is pressed against on the angle of mandible bone of fracture line two sides by the support face at rear, reduction forceps can guarantee the angle of mandible bone alignment of fracture line two sides when applying reset force without surgical field of view；It is too deep and damage bone to can be avoided pincers beak insertion supplementary retention hole.
Description
Technical field
The present invention relates to a kind of mandibular angle fractures reduction forceps.
Background technique
When angle of mandible is fractured, reattachment surgery is carried out using approach outside mouth or intra-oral approach according to fracture situation.Mouthful
Outer approach reattachment surgery needs to carry out notch in fracture in Maxillofacial derma, generally disconnected by the fixed fracture of assistant's both hands
End, i.e. implantable bone connection titanium plate to carry out postoperative fixation, then leave longer scar, influence beauty by postoperative skin at this time；
And the difference of intra-oral approach and the outer approach of mouth is to complete aforesaid operations in cavity interior, therefore carries out operation energy through intra-oral approach
It enough avoids avoiding face from leaving scar in facia incision, but due to having tunnel vision in mouth, reset effect is difficult to ensure, fracture is disconnected
End is easily displaced in fixation procedure, and especially angle of mandible bone lower edge is more difficult to guarantee.
Authorization Notice No. is that the Chinese utility model patent file of CN203935258U discloses one kind for treating jawbone
The interior grips pincers of fracture, interior grips pincers include interior grips pincers matrix, joint axis and clamp headend, and clamp headend and interior grips pincers matrix are flat
Face is in 120-160 degree angle, and clamp headend has arc-shaped protrusions and pincers beak, and interior grips pincers, which merge between latter two pincers beak, has 4-10 milli
The distance of rice.
But above-mentioned interior grips pincers operate doctor when applying reset force coming closer fracture line two sides angle of mandible bone
It is more demanding, it is easy to appear dislocation and is difficult to make the angle of mandible bone of fracture line two sides to be aligned, reduce operation and subsequent recovery effect
Fruit.When being performed the operation due to mandibular angle fractures using Intraoral incision, surgical field of view is very poor, and surgery location is deeper, topography
Situation is complicated, and above-mentioned instrument is not particularly suited for intra-oral approach, needs to design new instrument.
Summary of the invention
The purpose of the present invention is to provide a kind of mandibular angle fractures reduction forceps, are applied with solving grips pincers in the prior art
When reset force to doctor operate it is more demanding be easy to appear dislocation and be difficult to ensure the technology of fracture line two sides lower jaw angle alignment and ask
Topic.
To achieve the above object, mandibular angle fractures reduction forceps provided by the invention are adopted the following technical scheme that including first
Caliper and the second caliper, two calipers are hinged by pin shaft, and each caliper includes the chela section of front and the hand at rear portion
Handle section, the front end of the chela section are formed for being inserted into the corresponding auxiliary fixed hole of fracture line side to apply and close up reset force
Pincers beak, be equipped in each chela section and closed for pressing against fracture line corresponding side angle of mandible bone surface with applying in the pincers beak
Guarantee the support face of fracture line two sides fracture site alignment when holding together reset force, the dislocation of support face is arranged in corresponding chela section front end
Rear.
The beneficial effects of the present invention are: after in pincers beak insertion supplementary retention hole, also, pressed against by the support face at rear
On the angle of mandible bone of the corresponding side of fracture line, so that the fracture site of fracture line two sides is aligned, so, reduction forceps are applying
During reset force, the fracture site of two sides is in always by the aligned condition of press limitation, be can effectively avoid and is misplaced
Situation.Moreover, it is too deep and damage bone also to can effectively avoid pincers beak insertion supplementary retention hole using support face.In addition, auxiliary is solid
Bone at the hole of position is only closed up the reset force in direction by pincers beak applications, without by making the holding alignment of angle of mandible bone be hung down
Vertical compression power avoids stress concentration at bone at this and causes the damage of bone at this.
As the further improvement to chela section, the top pillar extended forward is respectively equipped in each chela section, top pillar is located at phase
The side of the pincers beak of chela section is answered, the front end face of the top pillar forms the support face.The top pillar being equipped with can not regarded
Guarantee fracture line two sides lower jaw angle alignment in the case where open country by applying pressure on top surface, also, top pillar is located at the side of pincers beak, applies
Stress is not concentrated on the bone at supplementary retention hole when adding pressure on top surface, protects the bone at this.
Preferably, the top pillar is located at the inside of the pincers beak of the corresponding chela section.
It is further preferred that the front end face of the top pillar is a plane or an arc surface.Top pillar with plane is suitable for most of
Service condition can also change the structure of front end face according to actual use situation.The front end face of top pillar is cambered surface, can guaranteed
Effectively in the case where press, the abrasion to angle of mandible bone surface is reduced.
The another kind in support face is improved, it is each to clamp the support structure for being respectively equipped on beak and being located at corresponding pincers beak front end rear,
The support structure has the front end face for forming the support face and forming step structure with corresponding pincers beak.The technical program is logical
It crosses support structure and pincers beak forms step structure to form support face, structure is simpler, and manufacturing cost is effectively reduced.
A kind of improvement to above-mentioned support structure, the support structure are the integrally formed major diameter section in pincers beak rear,
It or is the removable support part that pincers beak rear is set.
A kind of improvement to above-mentioned chela section and handle section, being equipped between the chela section and the handle section makes the two shape
At the bending segment of setting angle.So that entire grips pincers form the form of similar hook for surgery operation, it is possible to provide better surgical field of view
It supports.
A kind of improvement to above-mentioned pincers beak, the pincers beak is gradually curved inward along corresponding caliper to be extended forward.Inside
Bending, which extends, can reduce the distance between two pincers beaks, and the distance between supplementary retention hole is more adapted to, and make to clamp beak size
It is appropriate to reduce, it avoids occupying excessive space, convenient for operating with for doctor.
First caliper is hollow structure in the pin shaft position, and second caliper is threaded through in the hollow structure
And it is hinged by the pin shaft and first caliper.When second caliper rotates in the first caliper, hollow structure is capable of forming
To the double team of the second caliper, the guiding role to the rotation of the second caliper is played, the distortion power that pin bearing is received is reduced, improves pin shaft
Service life.
First caliper and the second caliper are equipped with for locking two handle section rotations to keep two pincers beaks to apply
Close up the constant locking structure of reset force.After clamping beak insertion supplementary retention hole, two are adjusted by handle section rotational angle
The size for closing up reset force that a pincers beak applies, and guarantee that the locking of two handle sections, clamping beak applies again by locking structure
Position power it is in the same size.
Detailed description of the invention
Fig. 1 provides mandibular angle fractures reduction forceps a kind of schematic diagram of embodiment for the present invention；
Fig. 2 provides the schematic diagram of mandibular angle fractures reduction forceps another kind embodiment for the present invention；
Fig. 3 provides the schematic diagram of mandibular angle fractures reduction forceps another kind embodiment for the present invention；
In attached drawing: 1- clamps beak, 2- support face, 3- pin shaft, 5- gripper rings, 11- the second chela section, 12- the first clamp handle section, 21- the
One chela section, 22- the second clamp handle section, 30- bending segment, the first rack gear of 41-, the second rack gear of 42-.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The present invention provides the embodiment of mandibular angle fractures reduction forceps, as shown in Figure 1, mandibular angle fractures reduction forceps include first
Caliper and the second caliper, the first caliper have one section of hollow structure, and the second caliper is arranged in hollow structure and by pin shaft 3
Hinged with the first caliper, the first caliper includes the first clamp handle section 12 and the first chela section 21, and the second caliper includes the second clamp handle section
22 and the second chela section 11, the front end of two chela sections be respectively formed pincers beak 1, two pincers beaks 1 are gradually inside curved along corresponding caliper
Qu Xiangqian extends, and two pincers beaks 1, which cooperate, closes up reset force with the angle of mandible application to fracture, is equipped in each chela section
Positioned at the support face 2 at pincers 1 front end rear of beak.In the rotation of the second caliper, the hollow structure of the first caliper can undertake certain edge
The axial power of pin shaft 3 reduces the axial force that pin shaft 3 is subject to, extends the service life of reduction forceps, when doctor pulls oral cavity tissue
The structure and routine operation pincers structure compared are more stable, are conducive to drawing operation.
Support face in two chela sections is arranged symmetrically, and when in the accordingly corresponding auxiliary fixed hole of pincers beak insertion, is effectively controlled
It makes two fracture sites and keeps concordant.
Wherein, it using reduction forceps clamping direction as inward direction, is equipped in each chela section and extends forward and be located at accordingly
The top pillar of 1 inside of beak is clamped, top pillar is 3 millimeters at a distance from beak 1 by round corner treatment and with corresponding clamp, and the front end face of top pillar is flat
Face, to form support face 2.And in other embodiments, the front end face of top pillar can also be other shapes or structure, as support face is
Cambered surface is more favorable for the use of doctor preferably to use the surface texture of inferior horn bone.
In addition, the pincers beak in the auxiliary fixed hole corresponding to insertion of support face is in orthogonal state, so that support face
On the corresponding outer surface for vertically pressing against the corresponding angle of mandible broken ends of fractured bone, preferably to apply the top for keeping alignment to fracture site
Press active force.
Another embodiment in above-mentioned support face, as shown in Fig. 2, pincers 1 rear of beak is equipped with integrally formed major diameter section with shape
At support structure, major diameter section front end face forms step structure with corresponding pincers beak 1, and the front end face of major diameter section forms support face.
The structure of support structure in the embodiment is simpler, reduces production difficulty, thereby reduces production cost, benefit with push away
Extensively.
Another embodiment in above-mentioned support face, pincers 1 rear of beak is removable to be equipped with support part, and the front end face of support part is formed
The support face stated.The embodiment support head part can be the removable external member for being sleeved on each pincers 1 rear of beak, can also be for along removable inserting
The front end face of plug-in unit at pincers 1 rear of beak, plug-in unit forms support face.
In addition, the rear end on the first caliper and the second caliper is equipped with gripper rings 5, the front side of gripper rings is equipped with locking structure,
Locking structure is specially the first rack gear 41 and the second rack gear 42 being correspondingly arranged in the first clamp handle section 12 and the second clamp handle section 22,
Two rack gears arrange that two rack gears, which mutually fasten, forms the adjustable rack gear cooperation section of a segment length, by changing tooth around 3 arc of pin shaft
Item cooperates the length of section to adjust the size that reset force is closed up in the pincers application of beak 1, keeps applying by the locking of two rack gears and close up
The stability and size of reset force, while avoiding reduction forceps that accidental release occurs.
Further, between the first chela section 21 and first handle section and the second chela section 11 and second handle section it
Between be equipped with bending segment 30, bending segment is specially circular arc bending segment, and pin shaft 3 is arranged in the front end of circular arc bending segment.The present embodiment
In, pin shaft 3 is arranged in the front end of circular arc bending segment, reduce span when the first chela section 21 and the second chela section 11 opening,
The part that the oral cavity tissue between two chela sections overflows into lower jaw angular direction is reduced, and then mitigates the oral cavity tissue opponent at this
Art visual area is blocked, conducive to the surgical procedure of doctor；Also, pin shaft 3 is disposed adjacent to the front of pincers beak 1, makes the first chela
Section 21 and the second chela section 11 are opened smaller with degree, and then enable the first chela section 21 and the second chela section 11 effectively to oral cavity
Tissue is pulled, and pull hook in the prior art, further expansion surgical field of view, convenient for the surgical procedure of doctor are played the role of.
The present invention provides mandibular angle fractures reduction forceps when performing the operation, and bores on the angle of mandible bone of fracture line two sides first
Supplementary retention hole out presses against in the corresponding insertion supplementary retention hole of pincers beak 1 support face 2 on the angle of mandible of fracture line two sides,
Opening cavity tissue is pulled using circular arc bending segment and opens surgical field of view, and the big of reset force is adjusted by the first rack gear and the second rack gear
Small and the first caliper and the second caliper is made to keep locking, being implanted into devices, the fixed frames such as fixed frame later can be used bone connection titanium
Plate.Whole flow process visual area is open, gets a clear view, and convenient for the surgical procedure of doctor, and the support face 2 being equipped with can guarantee to fracture
The fracture site of the angle of mandible of line two sides is aligned, while avoiding support face 2 that vertical forces are applied at supplementary retention hole, is prevented
Only stress concentrates the sclerotin for herein and damaging the position, further, it is therefore prevented that the pincers insertion of beak 1 supplementary retention hole is too deep and damages
Bad bone.
The present invention provides the embodiment of mandibular angle fractures reduction forceps, as shown in figure 3, the difference of the present embodiment and embodiment 1
It essentially consists in, pincers 1 rear set distance of beak is equipped with the jackstay extended towards pincers 1 side of beak, and jackstay front end face forms support
Face 2, jackstay increase the contact area with angle of mandible bone, reduce the pressure that angle of mandible bone is subject to, further increase to lower jaw
The protection of angle bone.
Locking structure is to be respectively equipped on two calipers and mutually fasten in the embodiment of above-mentioned mandibular angle fractures reduction forceps
Rack gear, according to actual use situation, the devices such as screw rod screw structure can also be used in other embodiments as locking structure.
Anti-skid structure can be increased in gripper rings in the embodiment of some other mandibular angle fractures reduction forceps, such as medical
Silica gel either surface carries out frosted processing to form anti-slip layer etc..
The first caliper is hollow structure at pin shaft position in the embodiment of above-mentioned mandibular angle fractures reduction forceps, in other realities
Applying in example directly can also be superimposed twisting together for the first caliper and the second caliper, reduce production cost, simplify the knot of reduction forceps
Structure.
Claims (10)
1. a kind of mandibular angle fractures reduction forceps, including the first caliper and the second caliper, two calipers are hinged by pin shaft, often
A caliper includes the chela section of front and the handle section at rear portion, and the front end of the chela section is formed for being inserted into fracture line side
Corresponding auxiliary fixed hole in apply close up the pincers beak of reset force, it is characterised in that: be equipped in each chela section for pushing up
Fracture line corresponding side angle of mandible bone surface is pressed in guarantee that fracture line two sides fracture is disconnected when reset force is closed up in pincers beak application
The support face of alignment is held, support face, which misplaces, is arranged in the rear of corresponding chela section front end.
2. mandibular angle fractures reduction forceps according to claim 1, it is characterised in that: be respectively equipped in each chela section to chela
The top pillar that extreme direction extends before section, top pillar are located at the side of the pincers beak of corresponding chela section, and the front end face of the top pillar forms described
Support face.
3. mandibular angle fractures reduction forceps according to claim 2, it is characterised in that: the top pillar is located at the corresponding chela
The inside of the pincers beak of section.
4. mandibular angle fractures reduction forceps according to claim 3, it is characterised in that: the front end face of the top pillar be plane or
Cambered surface.
5. mandibular angle fractures reduction forceps according to claim 1, it is characterised in that: be respectively equipped with and be located at accordingly on each pincers beak
The support structure at beak front end rear is clamped, the support structure, which has, to be formed the support face and form Step-edge Junction with corresponding pincers beak
The front end face of structure.
6. mandibular angle fractures reduction forceps according to claim 5, it is characterised in that: the support structure is after the pincers beak
The integrally formed major diameter section in side, or be the removable support part that pincers beak rear is set.
7. mandibular angle fractures reduction forceps as claimed in any of claims 1 to 6, it is characterised in that: the chela section
The bending segment for making the two form setting angle is equipped between the handle section.
8. mandibular angle fractures reduction forceps as claimed in any of claims 1 to 6, it is characterised in that: the pincers beak by
Extend forward with gradually curving inwardly.
9. mandibular angle fractures reduction forceps as claimed in any of claims 1 to 6, it is characterised in that: first pincers
Body is hollow structure in the pin shaft position, and second caliper is threaded through in the hollow structure and by the pin shaft and institute
It is hinged to state the first caliper.
10. mandibular angle fractures reduction forceps as claimed in any of claims 1 to 6, it is characterised in that: first pincers
Body and the second caliper be equipped with for lock two handle sections rotations with keep two pincers beaks applications to close up reset force constant
Locking structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003603.1A CN108992150B (en) | 2018-08-30 | 2018-08-30 | Mandibular angle fracture reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003603.1A CN108992150B (en) | 2018-08-30 | 2018-08-30 | Mandibular angle fracture reduction forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108992150A true CN108992150A (en) | 2018-12-14 |
| CN108992150B CN108992150B (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003603.1A Active CN108992150B (en) | 2018-08-30 | 2018-08-30 | Mandibular angle fracture reduction forceps |
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Citations (7)
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|---|---|---|---|---|
| US20040006371A1 (en) * | 2000-09-22 | 2004-01-08 | Choi Byoung Ho | Method for reducing mandibular angle fractures and forceps used for the method |
| CN201044764Y (en) * | 2007-04-09 | 2008-04-09 | 李圣明 | Mandibula bone holding forceps |
| CN203017064U (en) * | 2013-01-25 | 2013-06-26 | 周剑虹 | Maxillary chin part reduction forceps |
| US20140107658A1 (en) * | 2012-10-11 | 2014-04-17 | Michael J. Yaremchuk | Surgical Instrument |
| CN105919658A (en) * | 2016-06-29 | 2016-09-07 | 苏州瑞华医院有限公司 | Hand and foot surgical bone fracture double-leaf reduction forceps |
| CN107174306A (en) * | 2017-06-21 | 2017-09-19 | 四川省肿瘤医院 | A kind of medical free pincers |
| CN209032583U (en) * | 2018-08-30 | 2019-06-28 | 仝春实 | A kind of mandibular angle fractures reduction forceps |
-
2018
- 2018-08-30 CN CN201811003603.1A patent/CN108992150B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040006371A1 (en) * | 2000-09-22 | 2004-01-08 | Choi Byoung Ho | Method for reducing mandibular angle fractures and forceps used for the method |
| CN201044764Y (en) * | 2007-04-09 | 2008-04-09 | 李圣明 | Mandibula bone holding forceps |
| US20140107658A1 (en) * | 2012-10-11 | 2014-04-17 | Michael J. Yaremchuk | Surgical Instrument |
| CN203017064U (en) * | 2013-01-25 | 2013-06-26 | 周剑虹 | Maxillary chin part reduction forceps |
| CN105919658A (en) * | 2016-06-29 | 2016-09-07 | 苏州瑞华医院有限公司 | Hand and foot surgical bone fracture double-leaf reduction forceps |
| CN107174306A (en) * | 2017-06-21 | 2017-09-19 | 四川省肿瘤医院 | A kind of medical free pincers |
| CN209032583U (en) * | 2018-08-30 | 2019-06-28 | 仝春实 | A kind of mandibular angle fractures reduction forceps |
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| Publication number | Publication date |
|---|---|
| CN108992150B (en) | 2020-12-04 |
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