CN103479455A - Calcaneal fracture manual repositor - Google Patents
Calcaneal fracture manual repositor Download PDFInfo
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- CN103479455A CN103479455A CN201310484537.5A CN201310484537A CN103479455A CN 103479455 A CN103479455 A CN 103479455A CN 201310484537 A CN201310484537 A CN 201310484537A CN 103479455 A CN103479455 A CN 103479455A
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- calcaneus
- action bars
- fracture
- connecting rod
- reduction device
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Abstract
The invention discloses a calcaneal fracture manual repositor. The repositor comprises two control levers and force sensing components fixed on the control levers, wherein the control levers are in adjustable hinge connection through a chain; each force sensing component comprises a fixed plate, a connecting rod and a force cell; one end of the connecting rod is connected with the fixed plate, and the other end of the connecting rod is connected with the force cell; an outer coating layer which is better compatible with human tissue characteristics is coated outside the fixed plate. According to the calcaneal fracture manual repositor, the principles of hinges and medical sensors are comprehensively utilized, the widened calcaneal transverse diameter can be furthest restored, the mechanical control and qualitative and quantitative description of the operation process can be realized, the device can be safely controlled better, and the traditional Chinese medical method can more standard; moreover, the repositor has the advantages of low treatment cost, relapse prevention, relatively high practicality and the like, and has very high application values in calcaneal fracture conservative treatment and minimally invasive treatment or open reduction and plate screw internal fixation and other perioperative early treatment processes.
Description
Technical field
The present invention relates to medical instruments field, especially relate to a kind of can the coupling with human body heel anatomic form feature best fit, utilize hinge and medical energy converter principle farthest to recover the manual reduction auxiliary device of the calcaneus transverse diameter of broadening simultaneously.
Background technology
Fracture of calcaneus is orthopedics department one of common disease clinically, and high falling or traffic accident etc. all can damage calcaneus, and under vertical violence effect, posterior articular facet interacts with astragalus, causes calcaneus to compress, subside and pulverize.Its main manifestations is the broadening of calcaneus transverse diameter, and arch of foot changes and to cause foot deformity, affects people's walking function.
Fracture of calcaneus need to be recovered width of calcaneus clinically, corrects valgus calcaneus or Varus deformity, thereby correct the minimizing of the foot line of force, because of transverse diameter broadening, causes pain under external malleolus, movable unfavorable and Sural nerve compression symptom.General normal employing is free-hand to be resetted or uses apparatus and directly carry out rectification and recovery, yet free-hand rectification often can not reach satisfied resetting due to strength deficiency or soft tissue swelling, or the excessive secondary fracture that causes calcaneus of strength, the complication such as soft tissue injury.We utilize the flexible Bidirectional-squeezing power of hinge in design, can momentary reset, and operation strength can be controlled flexibly, can reduce the loss of the strength that resets simultaneously and to the damage of soft tissue.
As shown in Figure 1, existing fracture of calcaneus manual reduction device comprises two folder rods 12 and two block plates 13 that are separately fixed on described folder rod 12 and are oppositely arranged, described steel plate 13 directly is welded on described folder rod 12 makes the extruding fulcrum, be enclosed with spongy layer 14 on the surface of described steel plate 13, two folder rods 12 include head and afterbody, being bolted device 15 between the head of two folder rods 12 is connected, afterbody all is set with polymer sleeve pipe 16, and described bolt connecting device 15 is vertical with folder rod 12.During operation, utilize the parallel adjustment two of bolt connecting device 15 of head with the spacing between folder rod 12, make two block plates 13 as the extruding fulcrum be clamped in outside in the below calcaneus of medial and lateral malleolus, manually hold with a firm grip and press from both sides the afterbody of rod 12, two extruding fulcrum can produce huge radial pressure, this radial pressure directly acts on the outside in calcaneus, makes the calcaneus of broadening recover normal.
Utilize this fracture of calcaneus manual reduction device can solve well the problem of calcaneus posterotransverse diameter broadening, but the raising along with the development of medical skill and people quality of life, people also improve the requirement of medical policy thereupon, free-handly reset or utilize simple resetting means can not meet needs of medical treatment, and lack quantitatively, data declaration qualitatively, make the process of promoting this equipment run into a lot of difficulties.Simultaneously in clinical practice, we also find many problems, for example: mode with bolts, the spacing between can only two action bars of parallel adjusting, the motility that action bars is adjusted is lower; Also have the face in the outside in the existing relative calcaneus of fixing head to be designed to plane, can not be fitted well with the outside in calcaneus, can affect the fixed effect of this device; In addition, when using this equipment, for the effect of the relation of calcaneus deformation and pressure in extrusion process, crushing failure at high speed and slowly extruding, whether can cause secondary fracture etc. to lack quantitatively, data explain qualitatively, and then can not carry out to these parameters the regulation and control of a qualitative, quantitative.
Therefore design a kind of simple in structure, flexible and convenient operation, maximum correct deformity, the auxiliary appliance that resets that recovers heel anatomic form feature has good medical prospect.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of fracture of calcaneus manual reduction device is provided, utilize hinge and medical sensing principle, the anatomical features that simultaneously meets lateral surface in heel, make it farthest to recover the calcaneus transverse diameter of broadening, correct the calcaneus malformation, reduce and too cause the damage of second fracture and calcaneus surrounding soft tissue because resetting, or the not enough residual deformity that resets.
For achieving the above object, the present invention proposes following technical scheme: a kind of fracture of calcaneus manual reduction device, it comprises action bars and is fixed on the power sensory package on described action bars, between described action bars, by chain, connected, described power sensory package comprises fixing head, complex root connecting rod and force cell, described connecting rod vertically interts and is fixed in described action bars, and all stretch out outside described action bars at two ends, one end of described connecting rod is fixedly connected with described fixing head, and the other end is fixedly connected with described force cell.
Preferably, described action bars includes head and afterbody, between described two heads, by chain, carries out adjustable connection, and described afterbody is set with the polymer toggle.
Described action bars aluminium compo pipe.
The head of described action bars all offers for connecting the perforation of described adjustable type chain, and described adjustable type chain stretches out outside described perforation, and two ends are connected by hasp respectively.
Be provided with a plurality of projections on the outer surface of described polymer toggle.
Described fixing head comprises medial surface and lateral surface, and described medial surface is fixedly connected with described connecting rod, and described lateral surface is ovum circle shape, and described fixing head is wrapped with outer application layer.
Described outer application layer is and tissue compatibility silicone rubber kinds macromolecular material preferably.
Described connecting rod comprises guide post and is located at the force-guided stem between guide post.
Described force cell is selected miniature force cell, and its range is 100N～20KN.
Described force cell and described fixing head all are fixedly welded on described connecting rod.
Also comprise a display device, described display device is connected with described force cell.
The invention has the beneficial effects as follows: (1) utilizes the mechanics sensor instrument, describe and measure the mechanics curvilinear motion in the resetting means therapeutic process, the strength value of safety range etc., make the mechanism quantitative and qualitative of this device, in order to can realize that this is installed to better safety controls; (2) between the head of action bars, adopt the adjustable type chain structure to be connected, can carry out the adjusting of any direction according to the width of calcaneus, improved the adjustment motility of action bars; (3) according to the anatomical physiology characteristic of calcaneus and the physiology and appearance feature of foot, the lateral surface of fixing head is set to ovum circle shape, can realize with calcaneus inside and outside the optimum matching of N-Side surf, the transverse diameter that reaches maximum recovery broadening reduces the cutting to soft tissue simultaneously; (4) use the calcaneus reset auxiliary device of the present invention's development and in conjunction with patient's manipulation, can realize the Primary Care of all kinds fracture calcaneus, reach the cure rate that improves expectant treatment, for fixing in steel plate screw, perhaps the good surgical environments of fixing creation in the assorted pin of gram, reduce postoperative complication.Make surgical effect better, sequela is few, and practicality is higher, has clinical prospect preferably.
The accompanying drawing explanation
Fig. 1 is that the master of existing calcaneus reduction device looks schematic diagram;
Fig. 2 is that the master of fracture of calcaneus manual reduction device of the present invention looks schematic diagram;
Fig. 3 is the structure enlarged diagram of A section in Fig. 2;
Fig. 4 is the structure enlarged diagram of B section in Fig. 2;
Fig. 5 be in Fig. 3 fixing head C to structural representation;
Reference numeral: 1, left action bars, 2, right action bars, 3, the power sensory package, 31, fixing head, 311, medial surface, 312, lateral surface, 32, connecting rod, 321, guide post, 322, force-guided stem, 33, force cell, 4, head, 5, afterbody, 51, toggle, 52, projection, 6, chain, 7, perforation, 8, hasp, 9, rotating fulcrum, 10, outer application layer, 12, the folder rod, 13, steel plate, 14, spongy layer, 15, bolt connecting device, 16, sleeve pipe.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, the technical scheme of the embodiment of the present invention is carried out to clear, complete description.
The invention provides a kind of fracture of calcaneus manual reduction device, adopt hinge and lever principle to realize resetting of calcaneus posterotransverse diameter broadening, can effectively reach with osteoplastic purpose, the simultaneously generation of complication, be mainly used in the expectant treatment, minimally-invasive treatment of fracture of calcaneus or in the process of open reduction steel plate screw internal fixation treatment.
As shown in Figure 2, disclosed a kind of fracture of calcaneus manual reduction device comprises two action bars in left and right (wherein left and right directions is the Zhong left side, Fig. 2 plane and the right) 1,2, power sensory package 3 and display device (not shown).Two action bars 1,2 include head 4 and afterbody 5, between the head 4 of two of described left and right action bars 1,2, by adjustable type chain 6, connected, therefore when chain 6 is under connection status, just form the space of an end opening between described left and right action bars 1,2 and chain 6, the left and right sides that simultaneously defines left action bars 1 is respectively the outside and the inboard of described left action bars 1, and the left and right sides that defines right action bars 2 is respectively inboard and the outside of described right action bars 2.
Shown in Fig. 2 and Fig. 4, the head 4 of two of described left and right action bars 1,2 all offers perforation 7 in corresponding place, the two ends of described chain 6 reach respectively the outside of left action bars 1 and right action bars 2 by described perforation 7, and connect hasp 8 at the two ends of chain 6, described hasp 8 can be closed and be opened under manual adjusting.Described chain 6 is connected to form by a plurality of latch closures, and length is generally selected 7～10cm.When needs adjust between two action bars 1,2 of left and right apart from the time, as need dwindle the distance between two action bars 1,2, the outer side stretching to two action bars 1,2 by the two ends of chain 6, when adjust to suitable apart from the time, just use hasp 8 to carry out locking; On the contrary, when need increase between two action bars 1,2 apart from the time, pumpback is carried out to the inboard of two action bars 1,2 in the two ends of chain 6, when adjust to desired apart from the time, just use hasp 8 to carry out locking, realized carrying out free adjustment according to the width of calcaneus, improved the operating flexibility of action bars.
Simultaneously, the two ends of chain 6 form respectively rotating fulcrum 9, be that left action bars 1 can be rotated adjustment relative to described right action bars 2 in certain space, in like manner right action bars 2 also can be rotated adjustment relative to described left action bars 1 in certain space, with the position relationship between bolt connecting mode before can only parallel adjustment operation bar, compare, adopt the connected mode of adjustable type chain, the motility of action bars adjustment increases greatly, can realize the accurate location to the required calcaneus position resetted, be conducive to the fast quick-recovery of calcaneus.
Certainly, the connected mode between described chain 6 and two action bars 1,2 is not unique, can realize that the adjustable mode of distance between two action bars 1,2 all can be applied in the present invention.Such as adopting two independently chains, wherein an end of two chains is separately fixed at the head of left and right action bars 1,2, and the other end carries out adjustable connection by hasp 8.
The length of described action bars 1,2 is 50～60cm, the metal material that the material selection quality is lighter, preferential aluminium compo pipe.
The afterbody 5 of described left and right action bars 1,2 all is set with polymer toggle 51, wherein on toggle 51 outer surfaces, is provided with a plurality of protrudingly 52, coordinates the staff shape to be designed, and can allow user that the feel of the most comfortable and well handling is arranged.
Shown in Fig. 2 and Fig. 3, described power sensory package 3 is fixedly installed on respectively on two of described left and right action bars 1,2, for realizing gripping patient's calcaneus, and describe and measure the mechanics curvilinear motion in the resetting means therapeutic process, the strength value of safety range etc., make the mechanism quantitative and qualitative of this device.
Described power sensory package 3 comprises fixing head 31, complex root connecting rod 32 and force cell 33.Described vertical interting of connecting rod 32 is fixed in described action bars 1,2, and all stretch out outside described action bars 1,2 at two ends, for being fixedly connected with described fixing head 31 and described force cell 33, described connecting rod 32 comprises the force-guided stem 322 between two guide posts 321 and two guide posts 321, described guide post 321 is for guaranteeing that the stressed of described force cell 33 is vertical, and the pressure data that described like this force cell 33 collects is only true and reliable.Described connecting rod 32 is positioned on an end of described action bars 1,2 inboards and is fixedly connected with described fixing head 31, and the other end is fixedly connected with described force cell 33.
Described fixing head 31 is lived patient's calcaneus position for fixed clamp, for irregular cube structure, comprise medial surface 311 and lateral surface 312, described medial surface 311 is fixedly connected with described connecting rod 32, described lateral surface 312 is ovum circle shape, the physiology and appearance feature of laminating human foot, can realize with calcaneus inside and outside the optimum matching of N-Side surf, reach the transverse diameter of maximum recovery broadening.The thickness of described fixing head 31 is 0.3～0.6cm, preferentially selects 0.5cm, as shown in Figure 5, i.e. and the structural representation of described fixing head 31 lateral surface 312, wherein length is 4～6cm, wherein is preferably 6cm, and the upper end width is 2～3cm, be preferably 2cm, rear wide be 4～5cm, be preferably 4cm.
As shown in Figure 3, described fixing head 31 is outer also is enclosed with outer application layer 10, and described outer application layer 10 can be selected macromolecular material, as silicone rubber etc.For preventing inhomogeneous extruding and the cutting of 31 pairs of soft tissues of described fixing head, reduced the pain of patient in the pressed home process.Both gross thickness of described fixing head 31, outer application layer 10 are set to 3cm.
Described action bars 1,2, fixing head 31 forms holistic operating platform with described outer application layer 10, and wherein, described outer application layer 10 is as the operation planar of this operating platform.
Described force cell 33 is for the mechanics curvilinear motion of describing and measuring the resetting means therapeutic process, the strength value of safety range etc., the miniature force cell that in the present embodiment, selected range is 100N～20KN, can realize the quantitative and qualitative of the mechanism of this device, so that this device is better improved and better promotes.
Described display device is connected with described force cell 33, for demonstrating intuitively each measured parameter value of force cell 33.
During operation, the concrete width of calcaneus according to the patient, adjust chain 6 to suitable width, to be placed on as two fixing heads 31 of stressed fulcrum the outside in the below calcaneus of patient's medial and lateral malleolus, after fixedly completing, the user afterbody of firmly holding with a firm grip, make two action bars 1,2 come closer, such two stressed fulcrum can produce huge radial pressure, thereby make the calcaneus of broadening recover normal.The parameters such as force value that operation produces can be gathered by force cell 33, and show by display device, according to the timely adjusting operation person's of the parameter value obtained active force, the fixed position of fixing head 31 etc., operating process are played to regulation and control.
Technology contents of the present invention and technical characterictic have disclosed as above; yet those of ordinary skill in the art still may be based on teaching of the present invention and announcements and are done all replacement and modifications that does not deviate from spirit of the present invention; therefore; protection domain of the present invention should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present invention and modifications, and contained by present patent application claim.
Claims (10)
1. a fracture of calcaneus manual reduction device, it is characterized in that, comprise action bars and be fixed on the power sensory package on described action bars, between described action bars, by chain, connect, described power sensory package comprises fixing head, complex root connecting rod and force cell, and described connecting rod vertically interts and is fixed in described action bars, and all stretch out outside described action bars at two ends, one end of described connecting rod is fixedly connected with described fixing head, and the other end is fixedly connected with described force cell.
2. fracture of calcaneus manual reduction device according to claim 1, is characterized in that, described action bars comprises two, and two action bars include head and afterbody, between described two heads, by chain, carries out adjustable connection.
3. fracture of calcaneus manual reduction device according to claim 1 and 2, is characterized in that, described action bars aluminium compo pipe.
4. fracture of calcaneus manual reduction device according to claim 2, is characterized in that, two head part of described action bars do not offer for connecting the perforation of described adjustable type chain, and described adjustable type chain stretches out outside described perforation, and two ends are connected with respectively hasp.
5. fracture of calcaneus manual reduction device according to claim 2, is characterized in that, described afterbody is set with the polymer toggle, is provided with a plurality of projections on the outer surface of described polymer toggle.
6. fracture of calcaneus manual reduction device according to claim 1, is characterized in that, described fixing head comprises medial surface and lateral surface, and described medial surface is fixedly connected with described connecting rod, the outer application layer of described lateral surface parcel.
7. fracture of calcaneus manual reduction device according to claim 6, is characterized in that, described lateral surface is ovum circle shape.
8. fracture of calcaneus manual reduction device according to claim 1, is characterized in that, described connecting rod comprises guide post and is located at the force-guided stem between guide post.
9. fracture of calcaneus manual reduction device according to claim 1, is characterized in that, described force cell and described fixing head all are fixedly welded on described connecting rod.
10. fracture of calcaneus manual reduction device according to claim 1, is characterized in that, also comprises a display device, and described display device is connected with described force cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484537.5A CN103479455B (en) | 2013-10-16 | 2013-10-16 | Calcaneal fracture manual repositor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484537.5A CN103479455B (en) | 2013-10-16 | 2013-10-16 | Calcaneal fracture manual repositor |
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| CN103479455A true CN103479455A (en) | 2014-01-01 |
| CN103479455B CN103479455B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310484537.5A Expired - Fee Related CN103479455B (en) | 2013-10-16 | 2013-10-16 | Calcaneal fracture manual repositor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691659A (en) * | 2017-01-03 | 2017-05-24 | 中国科学院苏州生物医学工程技术研究所 | Wireless calcaneus clamp with real-time pressure monitoring structure |
| CN110051415A (en) * | 2018-01-19 | 2019-07-26 | 常州市第一人民医院 | Improve in calcaneus art and resets traction controller |
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| GB1183395A (en) * | 1966-09-19 | 1970-03-04 | Nicolaas Johannes Phill Krause | Improvements in or relating to Clamping Apparatus |
| CN2254333Y (en) * | 1995-12-26 | 1997-05-21 | 高玉山 | Reduction fixing frame for calcaneus fracture |
| CN201631370U (en) * | 2010-04-28 | 2010-11-17 | 上海市杨浦区中心医院 | Calcaneus traction positioner |
| US20110125015A1 (en) * | 2006-12-13 | 2011-05-26 | Cyberlogic, Inc. | Ultrasonic bone assessment apparatus and method |
| CN202051868U (en) * | 2011-05-12 | 2011-11-30 | 王其周 | Medical calcaneus reduction device |
| CN202154782U (en) * | 2011-08-06 | 2012-03-07 | 王善涛 | Calcaneus restorer for medical use |
| CN202723957U (en) * | 2012-08-13 | 2013-02-13 | 杨自兵 | Calcaneal fracture re-placing device |
| CN203493787U (en) * | 2013-10-16 | 2014-03-26 | 苏州市中医医院 | Manual repositor for calcaneal fracture |
-
2013
- 2013-10-16 CN CN201310484537.5A patent/CN103479455B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1183395A (en) * | 1966-09-19 | 1970-03-04 | Nicolaas Johannes Phill Krause | Improvements in or relating to Clamping Apparatus |
| CN2254333Y (en) * | 1995-12-26 | 1997-05-21 | 高玉山 | Reduction fixing frame for calcaneus fracture |
| US20110125015A1 (en) * | 2006-12-13 | 2011-05-26 | Cyberlogic, Inc. | Ultrasonic bone assessment apparatus and method |
| CN201631370U (en) * | 2010-04-28 | 2010-11-17 | 上海市杨浦区中心医院 | Calcaneus traction positioner |
| CN202051868U (en) * | 2011-05-12 | 2011-11-30 | 王其周 | Medical calcaneus reduction device |
| CN202154782U (en) * | 2011-08-06 | 2012-03-07 | 王善涛 | Calcaneus restorer for medical use |
| CN202723957U (en) * | 2012-08-13 | 2013-02-13 | 杨自兵 | Calcaneal fracture re-placing device |
| CN203493787U (en) * | 2013-10-16 | 2014-03-26 | 苏州市中医医院 | Manual repositor for calcaneal fracture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691659A (en) * | 2017-01-03 | 2017-05-24 | 中国科学院苏州生物医学工程技术研究所 | Wireless calcaneus clamp with real-time pressure monitoring structure |
| CN110051415A (en) * | 2018-01-19 | 2019-07-26 | 常州市第一人民医院 | Improve in calcaneus art and resets traction controller |
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| Publication number | Publication date |
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| CN103479455B (en) | 2015-01-07 |
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