CN2354513Y - Multifunctional miniature external fixator for reduction of mandible fracture - Google Patents
Multifunctional miniature external fixator for reduction of mandible fracture Download PDFInfo
- Publication number
- CN2354513Y CN2354513Y CN 97245416 CN97245416U CN2354513Y CN 2354513 Y CN2354513 Y CN 2354513Y CN 97245416 CN97245416 CN 97245416 CN 97245416 U CN97245416 U CN 97245416U CN 2354513 Y CN2354513 Y CN 2354513Y
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- staple
- arm
- fixture device
- reduction fixture
- joint
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Abstract
The utility model relates to a multifunctional miniature external fixer for the reposition of a mandible fracture, which comprises types I and II and belongs to the field of medical apparatuss. The utility model is composed of a treating arm and a sub-arm which are respectively connected with both ends of a fixing arm via joints, wherein, the arms can be used as an entirety, and one or two of the arms can be taken apart and used separately. The utility model can do three-dimensional precise adjustment within a certain range to precisely reposition and firmly fix the broken ends of a fractured bone. The utility model has the advantages of simple operation, convenient use, no need of an operation, labor saving and time saving, can largely relieve patients from pains and operative complications, can be used repeatedly and can be widely used in all levels of hospitals.
Description
This utility model is a kind of multifunction micro mandibular fracture reduction fixture device, belongs to technical field of medical instruments.
The method that is used for the treatment of at present fracture of mandible clinically is divided into two classes substantially, and one is non-modus operandi, and it is fixing to reset with the Arch bar splint ligation, or is aided with elastic traction, or intermaxillary wiring is fixed; It two is open reduction internal fixation.And most of fractures is based on the open reduction internal fixation.The essential row of the prominent displacement person of fracture of condylar process postartis open reduction internal fixation particularly, and fracture line during near joint capsule fixed difficulty very big.The misery of row surgical patient is big, and postoperative tissue reaction is heavy, and the outer appearance of operative scar influence has fixture to retain in the tissue.And the operation of the prominent district of condyle fracture easily causes the damage of nervus facialis, and the facial paralysis that arrives.These all are the defectives of operative treatment.
The purpose of this utility model is to overcome above shortcoming, provides a kind of simple to operate, easy to use, need not go the operation the outer fixation for treatment apparatus that resets.It can make fracture site, particularly can make the condyle shape prominent, does accurately moving, resetting of all directions, and secure.Thereby patient's the misery and the defective of operation have been alleviated widely.
In order to achieve the above object, this utility model now is illustrated by the following technical solutions in conjunction with the accompanying drawings.
Shown in Fig. 1,2,4, treatment arm (1) and sub-arm (3) pass through joint (4) respectively with solid The two ends of deciding arm (2) are connected, and at I type treatment arm staple (5), staple fastening frame are arranged (6), staple adjusting and hold-doun nut (7), regulating nail hole (15) and interior staple thereof are regulated spiral shell Nail (8); The regulating block sliding tray (17) that staple shifting chute (11) and one side thereof are arranged; At regulating block " U " shape groove of the slidable adjustment piece (16) in the sliding tray is stuck in the annular groove of adjustment screw. Gu Fixed nail passes the staple hole of fastening frame, hole and the staple shifting chute of slidable adjustment piece. On the staple, respectively there is a staple to regulate and hold-doun nut (7) in the both sides of arm. As Fig. 1, 5, shown in 6, the multi sphere shape of a sidewall that is two-part is arranged at fixed arm and sub-arm Staple shifting chute (14), arcuate structure can make more stable being locked on two arms of staple. The staple that passes staple shifting chute and fastening frame hole is arranged at two arms. On staple, Respectively there is a staple to regulate and hold-doun nut in the both sides of arm. Two passes shown in Fig. 1,3 Joint is for the ball impression formula, Free within the specific limits, and by diclinic iron (19) and knuckle lock Tight screw (9) locking. Have at treatment arm and the nearly bulb of sub-arm place can go to joint shell-side groove ( 24) neck in (20).
Show at II type fixator profile identical each arm and joint are arranged such as Fig. 7, have in addition Be the fixedly shifting chute (7) of the many arcwalls of two sided, groove is single groove, on treatment arm and the sub-arm Groove at the free-end of arm opening (8) is arranged. Staple (5) is arranged in the groove, have 2,3 at each arm Staple lock-screw (6).
Form with embodiment is described further this utility model below.
The profile of the cross section of each arm is the square of the length of side 4.5～6.0mm.Length 20～the 25mm of treatment arm.On I type treatment arm long 13～17mm is arranged, wide 2.0～2.6mm is shifting chute fixedly; Diameter 2.0～2.5mm is arranged, the staple of long 25～30mm; Wide 5.0～6mm is arranged, the staple fastening frame of thick 1.0～1.2mm.Respectively have a diameter 2.1～2.6mm and threaded hole to pass through for staple on the two sides of staple fastening frame correspondence, its another side has a diameter 2.5～3.0mm, the staple fastening frame lock-screw of long 4mm.One side at the staple shifting chute has long a 15～20mm, and the regulating block sliding tray of wide 3.2～3.5mm has a slidable adjustment piece in it, and " U " groove of slidable adjustment piece is stuck in the annular groove of treatment arm internal fixation nail adjustment screw.There is the hole of a diameter 2.1～2.6mm to pass through on the slidable adjustment piece for staple.The diameter of adjustment screw is 3mm, and long 7～9mm turns adjustment screw slidable adjustment piece drive staple is moved.Respectively have one to adapt to staple on staple in the both sides of arm, the staple of wide 4.5～6.0mm is regulated and hold-doun nut.Length 40～the 50mm of fixed arm and sub-arm respectively has the staple shifting chute of two long 17～22mm on it, a sidewall of groove is multi sphere shape, and the radius of arc is identical with the radius of staple.On fixed arm and sub-arm, there are staple, staple fastening frame and staple to regulate and hold-doun nut.By long 12～15mm, the ball impression formula joint of diameter 9～12mm connects between treatment arm, fixed arm and the sub-arm.Intraarticular has diclinic ferrum, and a joint lock-screw and an arm hold-down screw are arranged outward.Tighten lock-screw lockable joint, joint, can back out joint and each arm after unscrewing the arm hold-down screw.It is identical that staple on each arm, staple fastening frame, staple are regulated with hold-doun nut.The special character of II type is no staple fastening frame, and each several part adopts titanium alloy or rustless steel.
During use:
1. mandibular condyle fracture of cervical vertebra: (chewing flesh for the convenient feasible Ipsilateral that resets seals) after sterilization, the local anaesthesia earlier, select 2 points on the straight line (can increase as required in (side or back) on the mandibular ramus, but the heart must be in a straight line), 2 distance can not surpass the longest distance of fixed arm staple shifting chute farthest; Select 2 points on the straight line (can increase as required or without this group point) at the lower edge (or lateral margin) of mandibular bone body, the distance between 2 can not surpass the longest distance of sub-arm staple shifting chute farthest.With passing soft tissue bores dark about 4～5mm on bone hole, and make the major axis in every group of hole substantially parallel with the supporting drill bit of staple (sheath should be arranged, below identical), and vertical substantially with the bone major axis.Be screwed into staple then, and tighten.Fixedly the condyle shape is prominent with hands at the condyle teat, then below condyle is prominent above the fracture line (generally joint capsule outside) select 1 or 2 points (needs when resetting), hole with boring then.The hole of condyle cervical region can not surpass 5mm, in order to avoid damage the blood vessel of dark face.Be screwed into staple then and tighten.The staple of screwing on each staple is regulated and hold-doun nut, to treat arm and staple fastening frame then, the slidable adjustment piece penetrates condyle shape teat staple, all the other two arms penetrate down on two groups of staples successively, and the staple of screwing on is again regulated and hold-doun nut.Regulating staple regulates and fastening nut, make fixed arm and sub-arm apart from skin 3～5mm, lock-screw and the staple tightened then on the staple fastening frame are regulated and hold-doun nut, double fixed (also can only use wherein a kind of fixing), make stable being fixed on the mandibular bone of two arms, tighten the joint lock-screw this moment, the locking hypozygal.Staple on the adjustment of treatment arm is regulated and hold-doun nut, makes the fixedly vertical no big free gap of ruthenium, and can move freely staple by adjustment screw.Under the X line or under the guidance of X sheet, turning adjustment screw earlier makes the bone stump of dislocation that certain distance be arranged, right in rotating the treatment arm, regulating staple regulates and fastening nut, regulating staple regulates trip bolt and makes that the condyle shape of displacement is prominent accurately to be resetted, tighten joint lock-screw locking upper joint then, tighten staple fastening frame lock-screw and staple and regulate the prominent held stationary of the condyle shape that will reset with hold-doun nut.Can unscrew if fixed arm can be stablized maintenance the arm hold-down screw pull down sub-arm need not.
2. mandibular bone ascending branch, body, chin portion, zygomatic arch, the fracture of single fracture lines such as maniphalanx, palm bone: after the sterilization local anaesthesia, sclerotin in the both sides of fracture line respectively selects 2 points (mandibular bone can in inferior border of mandible or side), and as far as possible in a straight line (according to according to body situation or out-of-line, but as then the heart must be in a straight line to select at 3), with boring (requiring together 1.), be screwed into then and fix and tighten, select the treatment arm and the fixed arm (or fixed arm and sub-arm or fixed arm or sub-arm) of solid device for use, use and 1. identical method pack into holder and adnexa.After can tentatively resetting with maneuver earlier (or need not), regulating each staple regulates and hold-doun nut, staple be can move freely and do not have tangible axial play, regulate the direction and the angle of two arms, regulating two groups of distances between staple moves with the major axis of drive fracture site along arm, regulating the staple adjusting makes staple drive bone stump moving axially along staple with hold-doun nut, rotate and be equipped with arm to drive the bone stump rotation, after multi-faceted adjusting accurately resets bone stump (mandibular bone is as the criterion so that the good jaw relation of stinging to be arranged), tighten locking or fixture (or according to circumstances adjusting hockets with locking), the bone stump held stationary that will reset.As adding an arm or a holder (mandibular bone can be aided with Arch bar splint) again for increasing bed knife.The staple trip bolt tightened after the reduction of the fracture by the II type and the joint lock-screw gets final product.
3. comminuted fracture such as mandibular bone, zygomatic arch, maniphalanx, palm bone: after the sterilization local anaesthesia, respectively select (2 of one group of points in the both sides of each fracture line (or free bone piece), on the free bone 1 or 2), and try one's best (according to can be out-of-line) in a straight line according to the body situation, boring then (requiring together 1.), be screwed into staple, load onto holder and adnexa.Can be earlier tentatively reset (or need not),, move along the major axis of arm to drive fracture site then according to regulating the distance of respectively organizing between staple according to the body situation with maneuver; Regulate staple and regulate and hold-doun nut, make staple drive fracture site moving axially along nail; Rotate each arm and drive the rotation of each several part fracture site.After adjusting well resets fracture site, tighten joint lock-screw, staple fastening frame lock-screw, staple adjusting and hold-doun nut.The II type is tightened the staple lock-screw and is got final product after the broken ends of fractured bone of bone resets.So just make the fracture stabilization that resets fix (scalable and locking according to circumstances hockets).Use a holder for the increase bed knife can add, mandibular bone can be aided with Arch bar splint.
This utility model is a kind of ideal medical apparatus and instruments, can be used for hospitals at different levels, has social benefit and economic benefit widely.
Claims (14)
1. multifunction micro mandibular fracture external fixator that resets, be divided into I and II type and be mainly used in resetting of position fracture such as mandibular condyloid process, other position of mandibular bone, zygomatic arch, maniphalanx, clavicle and fixing, it is characterized in that treating arm (1) and be connected by joint (4) two ends with fixed arm (2) with sub-arm (3).
2. reduction fixture device according to claim 1 is characterized in that: the cross-sectional profile of each arm is the square of the length of side 4.5～6mm.
3. reduction fixture device according to claim 1 is characterized in that: each arm can move freely and rotates, and various arm is detachable, combination, exchange or use separately.
4. reduction fixture device according to claim 1 is characterized in that: staple (5), staple fastening frame (6), staple adjusting and hold-doun nut (7), staple adjustment screw (8), adjusting nail hole (15), staple shifting chute (11), regulating block sliding tray (17), slidable adjustment piece (16), bulb (13) are housed on the I type treatment arm.
5. reduction fixture device according to claim 1 is characterized in that: the joint is the ball impression formula, and bulb, joint shell (18), diclinic ferrum (19), joint lock-screw (9), arm hold-down screw (10) are arranged.
6. reduction fixture device according to claim 1 is characterized in that: it is multi sphere type staple shifting chute (14) that staple, staple fastening frame, staple fastening nut, two-period form one sidewall are arranged on fixed arm and the sub-arm.
7. reduction fixture device according to claim 1 is characterized in that: treatment arm and sub-arm have the neck (20) of a diameter 4～5mm.
8. reduction fixture device according to claim 4 is characterized in that: staple is long 25～30mm, the garden cylindricality of diameter 2.0～2.5mm, and there is the coarse-pitch thread of 5～7mm at the tip, and body is 20～23mm fine thread.
9. reduction fixture device according to claim 4 is characterized in that: the staple fastening frame is right angle " U " shape, and the staple bore dia 2.2～2.7mm on it has fine thread (21) in hole.
10. reduction fixture device according to claim 4 is characterized in that: the staple adjustment screw is diameter 3mm, and long 8mm, an end have the annular groove that drives the slidable adjustment piece.
11. reduction fixture device according to claim 4 is characterized in that: the slidable adjustment piece is a corner strap shape, " U " the shape groove that is stuck in the adjustment screw annular groove is arranged and drive the hole that staple moves.
12. reduction fixture device according to claim 5 is characterized in that: the lock mode in joint is a single screw diclinic ferrum formula, has the sphere that adapts with bulb recessed on the last wedge, and following wedge has localized aperture (22).
13. reduction fixture device according to claim 5 is characterized in that: it is 4.5～5.5mm square groove that arthrostracous bulb side has a length of side.
14., it is characterized in that each several part adopts titanium alloy or rustless steel according to the described reduction fixture device of claim 1～16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245416 CN2354513Y (en) | 1997-10-08 | 1997-10-08 | Multifunctional miniature external fixator for reduction of mandible fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245416 CN2354513Y (en) | 1997-10-08 | 1997-10-08 | Multifunctional miniature external fixator for reduction of mandible fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2354513Y true CN2354513Y (en) | 1999-12-22 |
Family
ID=33953903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97245416 Expired - Fee Related CN2354513Y (en) | 1997-10-08 | 1997-10-08 | Multifunctional miniature external fixator for reduction of mandible fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2354513Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102695464A (en) * | 2009-09-24 | 2012-09-26 | 斯恩蒂斯有限公司 | Distractor with removable footplates |
| CN102688115A (en) * | 2012-06-07 | 2012-09-26 | 路国 | Glass-type zygomatic bone traction and reposition fixator |
| CN105832390A (en) * | 2016-06-21 | 2016-08-10 | 文根 | Multi-axis adjustable transferring external fixing bracket |
| WO2017166425A1 (en) * | 2016-04-01 | 2017-10-05 | 北京良之介医疗器械有限公司 | Locking and external-fixation device for treatment of clavicle fracture |
| CN107260281A (en) * | 2017-07-10 | 2017-10-20 | 四川大学华西医院 | A kind of neck fracture or dislocation apparatus resetted for basilar impression |
| WO2019113252A1 (en) * | 2017-12-06 | 2019-06-13 | Austin Miller Trauma Llc. | Fixation clamp with spacer |
-
1997
- 1997-10-08 CN CN 97245416 patent/CN2354513Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102695464A (en) * | 2009-09-24 | 2012-09-26 | 斯恩蒂斯有限公司 | Distractor with removable footplates |
| US8858566B2 (en) | 2009-09-24 | 2014-10-14 | DePuy Synthes Products, LLC | Distractor with removable footplates |
| CN102695464B (en) * | 2009-09-24 | 2015-03-04 | 斯恩蒂斯有限公司 | Distractor with removable footplates |
| US9271780B2 (en) | 2009-09-24 | 2016-03-01 | DePuy Synthes Products, Inc. | Distractor with removable footplates |
| CN102688115A (en) * | 2012-06-07 | 2012-09-26 | 路国 | Glass-type zygomatic bone traction and reposition fixator |
| WO2017166425A1 (en) * | 2016-04-01 | 2017-10-05 | 北京良之介医疗器械有限公司 | Locking and external-fixation device for treatment of clavicle fracture |
| CN105832390A (en) * | 2016-06-21 | 2016-08-10 | 文根 | Multi-axis adjustable transferring external fixing bracket |
| CN105832390B (en) * | 2016-06-21 | 2018-03-20 | 文根 | The adjustable migration exterior fixing rack of multiaxis |
| CN107260281A (en) * | 2017-07-10 | 2017-10-20 | 四川大学华西医院 | A kind of neck fracture or dislocation apparatus resetted for basilar impression |
| CN107260281B (en) * | 2017-07-10 | 2019-10-25 | 四川大学华西医院 | A kind of neck fracture or dislocation instrument resetted for basilar impression |
| WO2019113252A1 (en) * | 2017-12-06 | 2019-06-13 | Austin Miller Trauma Llc. | Fixation clamp with spacer |
| US10945765B2 (en) | 2017-12-06 | 2021-03-16 | Austin Miller Trauma LLC | Fixation clamp with spacer |
| US11612414B2 (en) | 2017-12-06 | 2023-03-28 | Austin Miller Trauma LLC | Fixation clamp with spacer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |