CN200963213Y - Automatic reposition device for calcaneum fracture - Google Patents
Automatic reposition device for calcaneum fracture Download PDFInfo
- Publication number
- CN200963213Y CN200963213Y CN 200620127762 CN200620127762U CN200963213Y CN 200963213 Y CN200963213 Y CN 200963213Y CN 200620127762 CN200620127762 CN 200620127762 CN 200620127762 U CN200620127762 U CN 200620127762U CN 200963213 Y CN200963213 Y CN 200963213Y
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- screw
- calcaneus
- turn
- fracture
- tractive
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Abstract
A calcaneal fracture automatic reductor belongs to medical device technical field, aiming at solving the technical problem of providing a device capable of accurate recovery of the B* hle angle and the width of the calcaneus. The technical proposal is that the utility model comprises a shell, a bottom face, a foot location block, a stretching part, and an extrusion part; a stretching motor, a stretch driving device, a stretching rod, and a stretching arm are connected in turns to form the stretching part, the center of the stretching rod is connected with the stretch driving device through a driving lead screw and two ends of the stretching rod are provided with the stretching arms separately, and one end of the stretching arm is connected with the groove of a Steinman pin; an extrusion motor, an extrusion driving device, and an extrusion plate are connected in turns to form the extrusion part, and the extrusion driving device is connected with the extrusion plate through a dual direction driving lead screw. The foot of patients is positioned on the foot location block, and the Steinman pin drilling through the dislocated calcaneus is stretched by the stretching arm to recover the B* hle angle, while the width of the calcaneus is recovered by the extrusion plate of both sides at the same time, having the advantages of little trauma and simple for operation.
Description
Technical field
This utility model relates to a kind of fracture of calcaneus therapeutic equipments, belongs to technical field of medical instruments.
Background technology
Calcaneus is the main heavy burden structure of human foot, and fracture of calcaneus is the common fracture of foot.Usually can cause some sequela after the fracture of calcaneus treatment, its reason is the broadening of calcaneus transverse diameter, diminishes with diseased gap turn narrow, subtalar joint face and the out-of-flatness of calcaneocuboid joint face, subtalar joint and calcaneocuboid joint degenerative change and B hlerShi angle.Wherein to diminish be modal two reasons of losing problem such as pain after the fracture of calcaneus broadening of calcaneus transverse diameter and B hlerShi angle, also be to subside, pulverize the many main causes of shape fracture of calcaneus sequela, therefore correct the diminish broadening of B hleShi angle and just become key in treating with the calcaneus transverse diameter.At present, in common treatment, mainly take the method for artificial Retracting repositioning, surgical wound is big, complicated operation, accuracy that resets simultaneously and stability are also undesirable, should traditional operation method be improved, to improve the quality of performing the operation and to alleviate patient's operation sequela.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of fracture of calcaneus automatic reset that can accurately recover B hleShi angle and width of calcaneus.
The technical scheme that solves the problems of the technologies described above is:
The fracture of calcaneus automatic reset, it is made up of housing, bottom surface, sufficient locating piece, tractive part, crimping section; Tractive partly comprises tractive motor, tractive actuating device, stayed pole, stretch arm, the tractive motor is connected with the tractive actuating device, be fixed on the base plate, stayed pole is parallel to the bottom surface, its central authorities are removable the connection with the tractive actuating device, and stretch arm is installed at two ends respectively, and stretch arm has many, their end is connected with movable axis with stayed pole, and the other end has the structure that is connected with steinman pin; Crimping section comprises extruding motor, extruder drive, stripper plate, and they link to each other successively, and extruding motor and extruder drive are fixed on the base plate, and about stripper plate has 2, they are connected with extruder drive respectively; The foot locating piece is fixed on the bottom surface, simultaneously between stretch arm and stripper plate.
Above-mentioned fracture of calcaneus automatic reset, described tractive actuating device is made up of a pair of bevel gear that differs in size, turn-screw, some bearing blocks, the motor shaft of tractive motor is connected with cone pinion, one end of turn-screw is connected with large bevel gear, two bevel gears are meshing with each other, the other end of turn-screw is connected with above-mentioned stayed pole, and motor shaft, big cone pinion, turn-screw are all supported mutually by bearing block.
Above-mentioned fracture of calcaneus automatic reset, there is screw in the central authorities of described stayed pole, and the aperture of screw and the screw thread of turn-screw are complementary, and the screw of stayed pole is meshed with turn-screw.
Above-mentioned fracture of calcaneus automatic reset, every end of described stayed pole has 2 stretch arms, and the structure that is connected with steinman pin of every stretch arm front end is the draw-in groove of a plurality of end openings, and the edge of draw-in groove and stretch arm is 60-80 degree angle.
Above-mentioned fracture of calcaneus automatic reset, described extruder drive is by a pair of spur gear that differs in size, two-way turn-screw, some bearing blocks are formed, and the motor shaft of extruding motor is connected with small Spur gear, and an end of two-way turn-screw is connected with large straight gear, two spur gears are meshing with each other, pass sufficient locating piece in the middle of the two-way turn-screw, two ends are connected with stripper plate respectively, and motor shaft, big small Spur gear, two-way turn-screw are all supported mutually by bearing block.
Above-mentioned fracture of calcaneus automatic reset, the two ends of described two-way turn-screw are respectively left-handed and right-handed thread.
Above-mentioned fracture of calcaneus automatic reset has screw on described two stripper plates, and the aperture is complementary with the screw thread of the two-way turn-screw left and right sides respectively, and the screw of two stripper plates is meshed with the two-way turn-screw of sufficient locating piece both sides respectively.
Above-mentioned fracture of calcaneus automatic reset, described extruder drive also have a locating shaft, and locating shaft is parallel with two-way turn-screw, and sufficient locating piece is passed in the centre, and stripper plate is passed at two ends respectively, and locating hole is arranged on the stripper plate, and locating shaft and locating hole are for being slidingly matched.
This fracture of calcaneus automatic reset can lean against patient's foot on the sufficient locating piece, and the Si Shi that is passed the dislocation calcaneus by the stretch arm tractive follows closely, and to recover B hleShi angle, can be recovered the width of calcaneus simultaneously by the stripper plate of both sides.By clinical practice, but this device has advantages such as wound is little, simple to operate, convenient, fixed, the patient's early ambulant of nursing.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the C-C cutaway view of Fig. 1;
Fig. 4 is the D-D cutaway view of Fig. 1.
Labelling is as follows among the figure: housing 1, bottom surface 2, sufficient locating piece 3, tractive motor 4, stayed pole 5, stretch arm 6, draw-in groove 7, extruding motor 8, stripper plate 9, cone pinion 10, large bevel gear 11, turn-screw 12, small Spur gear 13, large straight gear 14, two-way turn-screw 15, locating shaft 16, bearing block 17, steinman pin 18, electric machine controller 19, support bar 20
The specific embodiment
Show among the figure that this utility model is made up of housing 1, bottom surface 2, sufficient locating piece 3, tractive part and crimping section.
Tractive partly comprises tractive motor 4, stayed pole 5, stretch arm 6, cone pinion 10, large bevel gear 11, turn-screw 12.The motor shaft of tractive motor 4 is connected with cone pinion 10, and an end of turn-screw 12 is connected with large bevel gear 11, and two bevel gears are meshing with each other, and the other end of turn-screw 12 is connected with stayed pole 5.Stayed pole 5 is parallel to bottom surface 2, the screw that the central authorities of stayed pole 5 have the screw thread with turn-screw 12 to be complementary, and the screw of stayed pole 5 is meshed with turn-screw 12.Stretch arm 6 is installed at the two ends of stayed pole 5 respectively, and every end has 2, and an end of stretch arm 6 and stayed pole 5 are connected with movable axis, and stretch arm 6 other ends are the draw-in groove 7 of a plurality of end openings, and draw-in groove 7 is 60-80 degree angle with the edge of stretch arm 6, can hook steinman pin 18.The operation principle of traction element is: tractive motor 4 drives turn-screw 12 by big cone pinion 10,11 and rotates, stayed pole 5 can move forward and backward along turn-screw 12, thereby stretch arm 6 is moved, the draw-in groove 7 of stretch arm 6 hooks the steinman pin 18 that passes calcaneus, can be with the calcaneus pulling of dislocation.
Crimping section comprises extruding motor 8, stripper plate 9, a pair of spur gear that differs in size 13,14, two-way turn-screw 15, locating shaft 16.The motor shaft of extruding motor 8 is connected with small Spur gear 13, and an end of two-way turn-screw 15 is connected with large straight gear 14, and two spur gears are meshing with each other.About stripper plate 9 has 2, the screw that they have the screw thread with two-way turn-screw 15 left and right sides to be complementary respectively.Pass sufficient locating piece 3 in the middle of the two-way turn-screw 15, two ends are connected with the screw of stripper plate 9 respectively.Locating shaft 16 is parallel with two-way turn-screw 15, and sufficient locating piece 3 is passed in the centre, and stripper plate 9 is passed at two ends respectively, on the stripper plate 9 locating hole is arranged, and stripper plate 9 can horizontally slip along locating shaft 16.The operation principle of crimping section is: extruding motor 8 drives two-way turn-screw 15 by big small Spur gear 13,14 and rotates, because the two ends of two-way turn-screw 15 have left-handed and right-handed thread respectively, screw by stripper plate 9 will make the stripper plate 9 at two ends move in or out simultaneously, move inward and to push the calcaneus that is positioned at sufficient locating piece 3 places, make it recover normal width.The effect of locating shaft 16 is to guarantee that stripper plate 9 can parallelly move.There is the hardhead sponge pad inboard of stripper plate 9, cutaneous necrosis during with anti-extrusion.
See among the figure that above-mentioned motor shaft, power transmission shaft, turn-screw, locating shaft etc. are all supported mutually by bearing block 17.Tractive motor 4 and extruding motor 8 are all rotated by electric machine controller 19 its switches of control and rotating.Two ends at stayed pole 5 also have support bar 20 respectively, and they support stayed pole 5, make it can keep moving horizontally.
Occupation mode of the present utility model is: after the epidural anesthesia success, the patient lies on the back in operating-table, and the TV X-ray machine monitors down, walks crosswise at the vertical from inside to outside calcaneus of fracture two broken ends of fractured bone and penetrates 2 pieces of steinman pins; Steinman pin is snapped in the stretch arm, the rotary electric machine tractive is to recover B hleShi angle, recover the width of calcaneus again by the pressurizing unit of another driven by motor, perspective by C type arm X-ray machine, after the width of B hleShi angle and calcaneus recovers normally substantially, pull down resetting means, fixing steinman pin is to keep the calcaneus position after resetting.By clinical practice, this utility model has following advantage: wound is little, and is simple to operate, and nursing is convenient, and is fixed, but patient's early ambulant.
Claims (8)
1. fracture of calcaneus automatic reset is characterized in that: it is made up of housing [1], bottom surface [2], sufficient locating piece [3], tractive part, crimping section; Tractive partly comprises tractive motor [4], tractive actuating device, stayed pole [5], stretch arm [6], tractive motor [4] is connected with the tractive actuating device, be fixed on the base plate [2], stayed pole [5] is parallel to bottom surface [2], its central authorities are removable the connection with the tractive actuating device, and stretch arm [6] is installed at two ends respectively, and stretch arm [6] has many, their end is connected with movable axis with stayed pole [5], and the other end has the structure that is connected with steinman pin; Crimping section comprises extruding motor [8], extruder drive, stripper plate [9], and they link to each other successively, and extruding motor [8] and extruder drive are fixed on the base plate [2], and about stripper plate [9] has 2, they are connected with extruder drive respectively; Foot locating piece [3] is fixed on the bottom surface [2], is positioned at simultaneously between stretch arm [6] and the stripper plate [9].
2. fracture of calcaneus automatic reset according to claim 1, it is characterized in that: described tractive actuating device is made up of a pair of bevel gear that differs in size [10], [11], turn-screw [12], some bearing blocks [17], the motor shaft of tractive motor [4] is connected with cone pinion [10], one end of turn-screw [12] is connected with large bevel gear [11], two bevel gears [10], [11] are meshing with each other, the other end of turn-screw [12] is connected with stayed pole [5], and motor shaft, big cone pinion [10], [11], turn-screw [12] are all supported mutually by bearing block [17].
3. fracture of calcaneus automatic reset according to claim 2 is characterized in that: there is screw in the central authorities of described stayed pole [5], and the screw thread of the aperture of screw and turn-screw [12] is complementary, and the screw of stayed pole [5] is meshed with turn-screw [12].
4. fracture of calcaneus automatic reset according to claim 3, it is characterized in that: every end of described stayed pole [5] has 2 stretch arms [6], the structure that is connected with steinman pin of every stretch arm [6] front end is the draw-in groove [7] of a plurality of end openings, and draw-in groove [7] is 60-80 degree angle with the edge of stretch arm [6].
5. fracture of calcaneus automatic reset according to claim 4, it is characterized in that: described extruder drive is by a pair of spur gear that differs in size [13], [14], two-way turn-screw [15], some bearing blocks [17] are formed, the motor shaft of extruding motor [8] is connected with small Spur gear [13], one end of two-way turn-screw [15] is connected with large straight gear [14], two spur gears [13], [14] be meshing with each other, pass sufficient locating piece [3] in the middle of the two-way turn-screw [15], two ends are connected motor shaft with stripper plate [9] respectively, big small Spur gear [13], [14], two-way turn-screw [15] is all supported mutually by bearing block [17].
6. fracture of calcaneus automatic reset according to claim 5 is characterized in that: the two ends of described two-way turn-screw [15] are respectively left-handed and right-handed thread.
7. fracture of calcaneus automatic reset according to claim 6, it is characterized in that: on described two stripper plates [9] screw is arranged, the aperture is complementary with the screw thread of two-way turn-screw [15] and arranged on left and right sides respectively, and the screw of two stripper plates [9] is meshed with the two-way turn-screw [15] of sufficient locating piece [3] both sides respectively.
8. fracture of calcaneus automatic reset according to claim 7, it is characterized in that: described extruder drive also has a locating shaft [16], locating shaft [16] is parallel with two-way turn-screw [15], sufficient locating piece [3] is passed in the centre, stripper plate [9] is passed at two ends respectively, stripper plate has locating hole on [9], and locating shaft [16] and locating hole are for being slidingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620127762 CN200963213Y (en) | 2006-09-29 | 2006-09-29 | Automatic reposition device for calcaneum fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620127762 CN200963213Y (en) | 2006-09-29 | 2006-09-29 | Automatic reposition device for calcaneum fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200963213Y true CN200963213Y (en) | 2007-10-24 |
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ID=38867222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620127762 Expired - Fee Related CN200963213Y (en) | 2006-09-29 | 2006-09-29 | Automatic reposition device for calcaneum fracture |
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| Country | Link |
|---|---|
| CN (1) | CN200963213Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943219A (en) * | 2016-05-16 | 2016-09-21 | 河北医科大学第三医院 | Calcaneus bone fracture compression restoration device |
| CN106618699A (en) * | 2016-10-20 | 2017-05-10 | 马丽丽 | Restoration instrument for spine surgery |
| CN107280755A (en) * | 2017-06-09 | 2017-10-24 | 青岛迈恩特医学科技有限公司 | A kind of minimally invasive fixed bracing means of orthopaedics fracture |
| CN107744402A (en) * | 2017-12-01 | 2018-03-02 | 杨英果 | A kind of restorer of fracture of calcaneus |
| CN109758224A (en) * | 2019-02-20 | 2019-05-17 | 绍兴市上虞中医医院 | Fracture of calcaneus electric traction percutaneous reduction by leverage device |
| CN112022313A (en) * | 2020-09-17 | 2020-12-04 | 河北医科大学第三医院 | Calcaneus fracture three-dimensional traction reduction device |
| CN110623811B (en) * | 2019-10-17 | 2024-04-30 | 中国科学院合肥物质科学研究院 | Intelligent noninvasive calcaneus reduction auxiliary robot |
-
2006
- 2006-09-29 CN CN 200620127762 patent/CN200963213Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105943219A (en) * | 2016-05-16 | 2016-09-21 | 河北医科大学第三医院 | Calcaneus bone fracture compression restoration device |
| CN106618699A (en) * | 2016-10-20 | 2017-05-10 | 马丽丽 | Restoration instrument for spine surgery |
| CN107280755A (en) * | 2017-06-09 | 2017-10-24 | 青岛迈恩特医学科技有限公司 | A kind of minimally invasive fixed bracing means of orthopaedics fracture |
| CN107280755B (en) * | 2017-06-09 | 2023-11-17 | 山东美珂医疗科技有限公司 | Minimally invasive fixation and reinforcement device for bone fracture |
| CN107744402A (en) * | 2017-12-01 | 2018-03-02 | 杨英果 | A kind of restorer of fracture of calcaneus |
| CN109758224A (en) * | 2019-02-20 | 2019-05-17 | 绍兴市上虞中医医院 | Fracture of calcaneus electric traction percutaneous reduction by leverage device |
| CN109758224B (en) * | 2019-02-20 | 2023-10-03 | 绍兴市上虞区中医医院 | Electric traction prying and poking restorer for calcaneal fracture |
| CN110623811B (en) * | 2019-10-17 | 2024-04-30 | 中国科学院合肥物质科学研究院 | Intelligent noninvasive calcaneus reduction auxiliary robot |
| CN112022313A (en) * | 2020-09-17 | 2020-12-04 | 河北医科大学第三医院 | Calcaneus fracture three-dimensional traction reduction device |
| CN112022313B (en) * | 2020-09-17 | 2021-07-23 | 河北医科大学第三医院 | Calcaneus fracture three-dimensional traction reduction device |
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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 |