CN208974060U - Surgical clamp is used in mandibular angle fractures reset - Google Patents
Surgical clamp is used in mandibular angle fractures reset Download PDFInfo
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- CN208974060U CN208974060U CN201821412798.0U CN201821412798U CN208974060U CN 208974060 U CN208974060 U CN 208974060U CN 201821412798 U CN201821412798 U CN 201821412798U CN 208974060 U CN208974060 U CN 208974060U
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Abstract
The utility model relates to a kind of mandibular angle fractures reset surgical clamps, 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, chela section on each caliper passes through bending segment and the bending transition connection of corresponding handle section respectively, the pin shaft is arranged in two chela sections so that mandibular angle fractures reset forms oral cavity hook structure with surgical clamp, the gib head of two chela sections formation oral cavity hook structure, the pull handle of two handle sections formation oral cavity hook structure.Pin shaft is arranged in two chela sections so that the opening and closing degree of two chela sections is smaller, and for the oral cavity drag hook that surgical clamp is formed when pulling oral cavity tissue, the oral cavity tissue overflowed between two chela sections is less, field obscuration is reduced, so that one can carry out reattachment surgery.
Description
Technical field
The utility model relates to a kind of mandibular angle fractures reset surgical clamps.
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 face, supplementary retention hole is drilled out in the two sides of fracture line, by bone
It rolls in two supplementary retention holes of the corresponding insertion of pincers beak of surgical clamp, clamping surgical clamp leans on the angle of mandible bone of fracture line two sides inwardly
Hold together and be kept fixed, the fixed device such as i.e. implantable fixed frame is at this time to carry out postoperative fixation；And outside intra-oral approach and mouth
The difference of approach is to complete aforesaid operations in cavity interior, therefore carries out performing the operation can be avoided cutting in face through intra-oral approach
Mouthful, but due to having tunnel vision in mouth, it needs assistant to hold the pull handle of oral cavity drag hook at present and the gib head of oral cavity drag hook is protruded into mouth
In chamber, and then oral cavity tissue is pulled open to expand the visual field, this allows for one and is unable to complete reattachment surgery, reduces procedure efficiency.
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 when in use can not pull oral cavity tissue, it is difficult to open surgical field of view, therefore still
So need assistant using oral cavity drag hook auxiliary expand surgical field of view, do not solve still it is above-mentioned one be unable to complete the technology of reattachment surgery
Problem.
Utility model content
The purpose of this utility model is to provide a kind of mandibular angle fractures reset surgical clamps, to solve in the prior art
Grips pincers can not pull oral cavity tissue expansion surgical field of view during operation and then can not single the technical issues of completing reattachment surgery.
To achieve the above object, mandibular angle fractures reset provided by the utility model uses following technical side with surgical clamp
Case: a kind of mandibular angle fractures reset surgical clamp, including the first caliper and the second caliper, two calipers are hinged on one by pin shaft
It rises, each 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
To apply the pincers beak for closing up reset force in the corresponding auxiliary fixed hole of line side, the chela section on each caliper passes through bending segment respectively
With the bending transition connection of corresponding handle section, the pin shaft is arranged in two chela sections so that mandibular angle fractures reset surgical clamp
Oral cavity hook structure is formed, two chela sections form the gib head of oral cavity hook structure, and two handle sections form the drawing of oral cavity hook structure
Handle.
Connect the beneficial effects of the utility model are: setting bending segment makes each chela section bend transition with corresponding handle section
It connects, to form oral cavity hook structure, while is arranged in pin shaft in two chela sections so that the opening and closing degree of two chela sections
It is smaller, the oral cavity tissue overflowed between two chela sections is reduced when carrying out oral cavity tissue drawing using surgical clamp, and then reduce
Surgical field of view is blocked, doctor's surgical procedure is conducive to, oral cavity group can not be pulled using grips pincers by solving current reattachment surgery
The technical issues of expanding surgical field of view is knitted, and one can carry out reattachment surgery, improve procedure efficiency and avoid manpower
The waste of resource.
A kind of improvement to above-mentioned bending segment forms the folder of 90 to 120 degree between each chela section and corresponding handle section
Angle.
Preferably, 95 degree of angles are formed between each chela section and corresponding handle section.
The chela section of a kind of improvement to above-mentioned first caliper and the second caliper, first caliper has hollow section, institute
The chela section for stating the second caliper is threaded through in the hollow section and the chela section of the second caliper is hinged on institute by the pin shaft
It states in hollow section.In the clamping and opening process of surgical clamp, hollow section can be oriented to the rotation of the second caliper, reduce
Pin bearing is guaranteed that pin shaft is primarily subjected to the shear stress from two calipers, extends the use of pin shaft by axial tensile stress
Service life, and then improve the service life of surgical clamp.
To being equipped in a kind of each chela section of improvement of above-mentioned chela section for pressing against fracture line corresponding side angle of mandible
Support face on bone surface to guarantee fracture line two sides fracture site to it when the pincers beak applies and closes up reset force, the support
Top surface, which misplaces, is arranged in the rear of corresponding fore paw section front end.It clamps beak and is inserted into supplementary retention Kong Zhonghou, pushed up by the support face at rear
It is pressed on the fracture site of fracture line two sides, surgical clamp can guarantee to fracture without surgical field of view when applying reset force
The fracture site of line two sides is aligned；Meanwhile, it is capable to avoid pincers beak insertion supplementary retention hole too deep and damage bone；In turn, it assists
Bone at fixed hole is only closed up the reset force in direction by pincers beak applications, without by making angle of mandible bone keep being aligned
Pressure on top surface avoids stress concentration at bone at this and causes the damage of bone at this.
A kind of improvement to above-mentioned support face, the top pillar extended forward is respectively equipped in each chela section, and top pillar is located at corresponding
The side of the pincers beak of chela section, the front end face of the top pillar form the support face.The top pillar being equipped with can be in no visual field
In the case where by apply pressure on top surface come guarantee fracture line two sides fracture site be aligned, also, top pillar be located at pincers beak side, apply
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.Reduce occupied space when applying art, keeps away
Exempt from additional interference.
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, further decreases manufacturing cost.
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.It is realized using the support part of major diameter section or removable arrangement to fracture site
Support alignment, can improve the alignment form of fracture site, improve the bone stress condition at setting supplementary retention hole.
A kind of improvement to above-mentioned pincers beak, the pincers beak extend forward with being gradually curved inward along corresponding caliper.Inwardly
Bending extension can reduce the distance between two pincers beaks, the distance between supplementary retention hole is more adapted to, convenient for doctor
Operate with.
Detailed description of the invention
Fig. 1 provides the schematic diagram of mandibular angle fractures reset surgical clamp embodiment 1 for the utility model；
Fig. 2 provides the schematic diagram of mandibular angle fractures reset surgical clamp embodiment 2 for the utility model；
Fig. 3 provides the schematic diagram of mandibular angle fractures reset surgical clamp embodiment 3 for the utility model；
Fig. 4 provides the schematic diagram of mandibular angle fractures reset surgical clamp embodiment 4 for the utility model；
Fig. 5 is that mandibular angle fractures reset provided by the utility model is respectively occupied with chela section in surgical clamp and handle section
The explanation schematic diagram of minimum cuboid；
In attached drawing: 1- clamps beak, the support 2-, 23- major diameter section, 24- support part, 3- pin shaft, 5- gripper rings, the pincers of 11- second
Pawl section, 12- first handle section, 21- the first chela section, 22- second handle section, 30- bending segment, the first rack gear of 41-, 42- second
Rack gear.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The utility model provides mandibular angle fractures and resets the embodiment 1 for using surgical clamp:
As shown in Figure 1, mandibular angle fractures reset surgical clamp includes the first caliper and the second caliper, the first caliper includes the
One handle section 12 and the first chela section 21, the second caliper include second handle section 22 and the second chela section 11, the first chela section 21
Being equipped between first handle section 12 and between the second chela section 11 and second handle section 22 connect the two arc-shaped transition
And the bending segment 30 of 95 degree of angles is formed, the first chela section 21 has one section of hollow section, and the second chela section 11 is arranged in hollow section
In and it is hinged with the first chela section 21 by pin shaft 3, the front end of two chela sections, which is respectively formed, clamps beak 1, and two pincers beaks 1 are along corresponding
Caliper be gradually curved inward and extend forward, two pincers beaks 1 cooperate to be closed up with the fracture site application to fracture line two sides
Reset force, support 2 is equipped in each chela section, and support 2 has the support face for being located at pincers 1 front end rear of beak.
When two calipers accordingly rotate, the hollow section of the first caliper can undertake power centainly axial along pin shaft 3, reduce pin
The axial force that axis 3 is subject to extends the service life of surgical clamp, and when doctor pulls oral cavity tissue, the structure clamps phase with routine operation
It is more stable than structure, it is conducive to drawing operation.
Pin shaft 3 is arranged at chela fragment position, and pin shaft 3 is disposed adjacent to the front of pincers beak 1, makes 21 He of the first chela section
Second chela section, 11 opening and closing degree is smaller, reduces span when the first chela section 21 and the second chela section 11 opening, Yi Shi
When carrying out drawing oral cavity tissue using surgical clamp, the oral cavity tissue between two chela sections can be reduced and overflow into lower jaw angular direction
Part, and then reduce the oral cavity tissue at this and surgical field of view blocked, conducive to the surgical procedure of doctor.
In the present embodiment, the angle that chela section and handle section have makes surgical clamp form oral cavity hook structure, wherein two
Chela section forms the gib head of oral cavity hook structure, and two handle sections form the pull handle of oral cavity hook structure, in doctor to oral cavity tissue
When carrying out drawing operation, play the role of oral cavity drag hook, expands surgical field of view, and then doctor is facilitated to perform the operation.
Wherein, it using surgical clamp 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 herein is support 2, and top pillar is by round corner treatment and at a distance from corresponding pincers beak 1
5 millimeters, the front end face of top pillar is plane, to form corresponding 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 first handle section 12 and second 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 surgical clamp that accidental release occurs.
The utility model provides mandibular angle fractures reset with surgical clamp when being performed the operation, first under fracture line two sides
Supplementary retention hole is drilled out on the bone of jaw angle, by the corresponding insertion supplementary retention hole of pincers beak 1, the support face of support 2 is pressed against into bone
On the fracture site of broken line two sides, oral cavity tissue is pulled using surgical clamp, surgical field of view is opened, passes through the first rack gear 41
The size of reset force is adjusted with the second rack gear 42 and the first caliper and the second caliper is made to keep locking, is implanted into the dress such as fixed frame later
It sets.
Whole flow process is unobscured, clear, and convenient for the surgical procedure of doctor, and the support face being equipped with can guarantee to fracture
The fracture site of line two sides is aligned, while support face being avoided to be applied to pressure on top surface is aligned at supplementary retention hole, and prevents stress collection
In damage the sclerotin at the position herein, further, it is therefore prevented that it is too deep and damage bone that pincers beak 1 is inserted into supplementary retention hole.
Certainly, in other embodiments, above-mentioned bending segment can also be the dog-ear by circular arc is handled rather than circular arc mistake
The bent arc crossed, likewise, chela section and corresponding handle section can be curve arc structure, chela section and corresponding handle section it
Between the angle that is formed between the respective face that both should be on occupied minimum cuboid of the angle that is formed, as shown in figure 5, logical
Cross limit the angle achieve the purpose that it is above-mentioned convenient for force and convenient for observe deep tissues, angle is 90-120 degree, preferably
95 degree of selection.
The utility model provides mandibular angle fractures and resets the embodiment 2 for using surgical clamp:
The difference of itself and embodiment 1 essentially consists in: between the first chela section 21 and first handle section 12 and the second chela
The bending segment 30 for making the connection of the two arc-shaped transition and forming 120 degree of angles is equipped between section 11 and second handle section 22.
It, in this way can be in fact, the angular range 90 to 120 that each chela section and corresponding handle section can be made to be formed is spent
Guarantee the surgical field of view after drawing to the greatest extent, guarantees the operation of doctor.90 degree of angle can effective hook pulling mouth cavity tissue,
Convenient for the force of doctor；And the movement that 120 degree of angle makes surgical clamp be partial to dial and take off when pulling oral cavity tissue is (as schemed
2), this drawing movement is conducive to open the oral cavity tissue of higher depth, and the angle of mandible hoc scenario of depths is observed convenient for doctor.
The utility model provides mandibular angle fractures and resets the embodiment 3 for using surgical clamp:
The difference of itself and embodiment 1 essentially consists in: the arrangement in support face is different.Top pillar knot used in Example 1
Structure, in the present embodiment, as shown in figure 3, pincers 1 rear of beak is equipped with integrally formed major diameter section 23 to form support structure, major diameter section
23 front end face forms step structure with corresponding pincers beak 1, and the front end face of major diameter section forms support face.Support in the embodiment
The structure of roof construction is simpler, reduces production difficulty, thereby reduces production cost, is conducive to promote.
The utility model provides mandibular angle fractures and resets the embodiment 4 for using surgical clamp:
The difference of itself and embodiment 1 essentially consists in: the arrangement in support face is different.Top pillar knot used in Example 1
Structure, in the present embodiment, as shown in figure 4, being equipped with support part 24 pincers 1 rear of beak is removable, the front end face of support part 24 forms above-mentioned
Support face.Support part herein is specially to be equipped with the jackstay extended towards pincers 1 side of beak in pincers 1 rear set distance of beak,
Jackstay front end face forms support face, and the jackstay being laterally extended can obtain biggish contact area, reduces angle of mandible bone office
Portion's pressure improves the protection to angle of mandible bone, improves angle of mandible bone stress.
Locking structure is to be respectively equipped on two calipers and phase in the embodiment of above-mentioned mandibular angle fractures reset surgical clamp
The devices such as screw rod screw structure can also be used as lock according to actual use situation in the rack gear mutually fastened in other embodiments
Determine structure.Anti-skid structure, example can be increased in gripper rings in the embodiment of some other mandibular angle fractures reset surgical clamp
Such as medical silica-gel.The first caliper is hollow at pin shaft position in the embodiment of above-mentioned mandibular angle fractures reset surgical clamp
Section, directly can also be superimposed twisting together for the first caliper and the second caliper in other embodiments, reduce production cost, simplify
The structure of surgical clamp.
Claims (10)
- Surgical clamp, including the first caliper and the second caliper, two calipers is used to be hinged on by pin shaft 1. a kind of mandibular angle fractures reset Together, each 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 bone To apply the pincers beak for closing up reset force in the corresponding auxiliary fixed hole of broken line side, it is characterised in that: the chela section on each caliper Transition connection is bent with corresponding handle section by bending segment respectively, the pin shaft is arranged in two chela sections so that angle of mandible bone It rolls over reset surgical clamp and forms oral cavity hook structure, two chela sections form the gib head of oral cavity hook structure, and two handle sections form mouth The pull handle of chamber hook structure.
- 2. mandibular angle fractures according to claim 1, which reset, uses surgical clamp, it is characterised in that: each chela section with it is corresponding The angle of 90 to 120 degree is formed between handle section.
- 3. mandibular angle fractures according to claim 2, which reset, uses surgical clamp, it is characterised in that: each chela section with it is corresponding 95 degree of angles are formed between handle section.
- 4. mandibular angle fractures according to claim 1, which reset, uses surgical clamp, it is characterised in that: the chela of first caliper Section has hollow section, and the chela section of second caliper is threaded through in the hollow section and passes through the pin shaft for the second caliper Chela section is hinged in the hollow section.
- 5. mandibular angle fractures according to any one of claim 1 to 4, which reset, uses surgical clamp, it is characterised in that: each pincers It is equipped in pawl section for pressing against on fracture line corresponding side angle of mandible bone surface when reset force is closed up in pincers beak application For guarantee fracture line two sides fracture site to its support face, the support face, which misplaces, is arranged in the rear of corresponding fore paw section front end.
- 6. mandibular angle fractures according to claim 5, which reset, uses surgical clamp, it is characterised in that: be respectively equipped in each chela section The top pillar extended forward, 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 the support Face.
- 7. mandibular angle fractures according to claim 6, which reset, uses surgical clamp, it is characterised in that: the top pillar is located at the phase Answer the inside of the pincers beak of chela section.
- 8. mandibular angle fractures according to claim 7, which reset, uses surgical clamp, it is characterised in that: be respectively equipped with position on each pincers beak Support structure in accordingly pincers beak front end rear, the support structure, which has, to be formed the support face and is formed with corresponding pincers beak The front end face of step structure.
- 9. mandibular angle fractures according to claim 8, which reset, uses surgical clamp, it is characterised in that: the support structure is described The integrally formed major diameter section in beak rear is clamped, or is the removable support part that pincers beak rear is set.
- 10. mandibular angle fractures according to any one of claims 6 to 9, which reset, uses surgical clamp, it is characterised in that: the pincers Beak extends forward with being gradually curved inward along corresponding caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412798.0U CN208974060U (en) | 2018-08-30 | 2018-08-30 | Surgical clamp is used in mandibular angle fractures reset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821412798.0U CN208974060U (en) | 2018-08-30 | 2018-08-30 | Surgical clamp is used in mandibular angle fractures reset |
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| Publication Number | Publication Date |
|---|---|
| CN208974060U true CN208974060U (en) | 2019-06-14 |
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ID=66782738
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821412798.0U Active CN208974060U (en) | 2018-08-30 | 2018-08-30 | Surgical clamp is used in mandibular angle fractures reset |
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| Country | Link |
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| CN (1) | CN208974060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992151A (en) * | 2018-08-30 | 2018-12-14 | 仝春实 | Surgical clamp is used in a kind of reset of mandibular angle fractures |
-
2018
- 2018-08-30 CN CN201821412798.0U patent/CN208974060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108992151A (en) * | 2018-08-30 | 2018-12-14 | 仝春实 | Surgical clamp is used in a kind of reset of mandibular angle fractures |
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