CN103479455B - Calcaneal fracture manual repositor - Google Patents
Calcaneal fracture manual repositor Download PDFInfo
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- CN103479455B CN103479455B CN201310484537.5A CN201310484537A CN103479455B CN 103479455 B CN103479455 B CN 103479455B CN 201310484537 A CN201310484537 A CN 201310484537A CN 103479455 B CN103479455 B CN 103479455B
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- action bars
- repositor
- connecting rod
- calcaneal fracture
- calcaneal
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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 relating to one can mate with human body heel anatomic form feature best fit, utilizes hinge and medical energy converter principle farthest to recover the manual reduction auxiliary device of broadening calcaneus transverse diameter simultaneously.
Background technology
Fracture of calcaneus is one of common clinically disease of orthopedics department, and high falling or traffic accident etc. all can damage calcaneus, and under vertical violence effect, posterior articular facet and astragalus interact, and causes calcaneus to compress, subside and pulverize.Its main manifestations is that calcaneus transverse diameter is broadening, and arch of foot change causes foot deformity, affects the walking function of people.
Fracture of calcaneus needs to recover width of calcaneus clinically, corrects valgus calcaneus or Varus deformity, corrects the foot line of force thus reduce to cause pain, movable unfavorable and Sural nerve compression symptom under external malleolus because transverse diameter is broadening.The free-hand reset of general normal employing or use apparatus and directly carry out rectification and recovery, but free-hand rectification is often because strength is not enough or soft tissue swelling and can not reach satisfied reset, or the excessive secondary of calcaneus that causes of strength is fractured, the complication such as soft tissue injury.We utilize the flexible Bidirectional-squeezing power of hinge in the design, can momentary reset, and operation strength can be controlled flexibly, can reduce the loss of reset strength and the damage to soft tissue simultaneously.
As shown in Figure 1, existing calcaneal fracture manual repositor comprises two folder rods 12 and to be separately fixed on described folder rod 12 and two block plates 13 be oppositely arranged, described steel plate 13 is directly welded on described folder rod 12 and makes extruding fulcrum, the surface of described steel plate 13 is enclosed with spongy layer 14, two folder rods 12 include head and afterbody, be bolted device 15 between the head of two folder rods 12 to connect, afterbody is all 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 the bolt connecting device 15 of head with the spacing between folder rod 12, outside in the below calcaneus making two block plates 13 as extruding fulcrum be clamped in medial and lateral malleolus, manually hold with a firm grip and press from both sides the afterbody of rod 12, then two extruding fulcrum can produce huge radial pressure, this radial pressure then directly acts on outside in calcaneus, makes broadening calcaneus recover normal.
Utilize this calcaneal fracture manual repositor can solve the broadening problem of calcaneus posterotransverse diameter well, but along with development and the raising of people's quality of life of medical skill, the requirement of people to medical policy also improves thereupon, free-hand reset or utilize simple resetting means can not meet needs of medical treatment, and lack quantitatively, qualitatively data illustrate, make the process promoting this equipment run into a lot of difficulty.Simultaneously in clinical practice, we also find many problems, such as: mode with bolts, can only spacing between parallel adjustment two action bars, the motility of action bars adjustment is lower; Also have the face in outside in the relative calcaneus of existing fixing head to be designed to plane, can not fit well with outside in calcaneus, the fixed effect of this device can be affected; In addition, when using this equipment, for the relation of calcaneus deformation and pressure in extrusion process, crushing failure at high speed and the effect slowly extruded, secondary fracture etc. whether can be caused to lack quantitatively, qualitatively data explain, and then the regulation and control of a qualitative, quantitative can not be carried out to these parameters.
Therefore design a kind of structure simple, flexible and convenient operation, energy is correct deformity farthest, and the reset auxiliary appliance recovering heel anatomic form feature has good medical prospect.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of calcaneal fracture manual repositor is provided, utilize hinge and medical sensing principle, meet the anatomical features of lateral surface in heel simultaneously, make it farthest to recover broadening calcaneus transverse diameter, correct calcaneus malformation, reduce because of the damage too causing second fracture and calcaneus surrounding soft tissue that resets, or the not enough residual deformity that resets.
For achieving the above object, the present invention proposes following technical scheme: a kind of calcaneal fracture manual repositor, it comprises action bars and is fixed on the power sensory package on described action bars, connected by chain between described action bars, described power sensory package comprises fixing head, complex root connecting rod and force cell, described connecting rod is vertically interspersed to be fixed in described action bars, and two ends are all stretched out outside described action bars, 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, and carry out adjustable connection by chain between described two heads, described afterbody is set with polymer toggle.
Described action bars aluminium compo pipe.
The head of described action bars all offers the perforation for connecting described adjustable type chain, and described adjustable type chain stretches out outside described perforation, and two ends connect respectively by hasp.
The outer surface of described polymer toggle is provided with a plurality of projection.
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 oval shape, and described fixing head is wrapped with external application nitride layer.
Described external application nitride layer is good silicone rubber kinds macromolecular material with the tissue compatibility.
Described connecting rod comprises guide post and is located at the force-guided stem between guide post.
Miniature force cell selected by described force cell, and its range is 100N ~ 20KN.
Described force cell and described fixing head are all 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 mechanics sensor instrument, describe and measure the force etc. of the force diagram change in resetting means therapeutic process, safety range, make the mechanism quantitative and qualitative of this device, can realize controlling the better safety of this device; (2) adopt adjustable type chain structure to connect between the head of action bars, the adjustment of any direction can be carried out according to the width of calcaneus, improve 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 oval shape, the optimum matching with outside curve in calcaneus can be realized, reach the farthest broadening transverse diameter of recovery and reduce the cutting to soft tissue simultaneously; (4) use the present invention development calcaneus reset auxiliary device and in conjunction with patient's manipulation, the Primary Care of all kinds fracture calcaneus can be realized, reach the cure rate improving expectant treatment, for steel plate screw internal fixtion, or a gram assorted pin internal fixtion creates good surgical environments, reduce postoperative complication.Make surgical effect better, sequela is few, and practicality is higher, has good clinical landscapes.
Accompanying drawing explanation
Fig. 1 is the schematic front view of existing calcaneus reduction device;
Fig. 2 is the schematic front view of calcaneal fracture manual repositor of the present invention;
Fig. 3 is the structure enlarged diagram in A portion in Fig. 2;
Fig. 4 is the structure enlarged diagram in B portion 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, 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, protruding, 6, chain, 7, perforation, 8, hasp, 9, rotating fulcrum, 10, external application nitride layer, 12, folder rod, 13, steel plate, 14, spongy layer, 15, bolt connecting device, 16, sleeve pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, clear, complete description is carried out to the technical scheme of the embodiment of the present invention.
The invention provides a kind of calcaneal fracture manual repositor, hinge and lever principle is adopted to realize the broadening reset of calcaneus posterotransverse diameter, can effectively reach with osteoplastic object, reduce the generation of complication simultaneously, be mainly used in the expectant treatment of fracture of calcaneus, minimally-invasive treatment or in the process of open reduction steel plate screw internal fixation treatment.
As shown in Figure 2, disclosed a kind of calcaneal fracture manual repositor comprises two action bars in left and right (wherein left and right directions is the left side in 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, connected by adjustable type chain 6 between the head 4 of two, described left and right action bars 1,2, therefore when chain 6 is under connection status, just the space of an one end open is formed between described left and right action bars 1,2 and chain 6, the left and right sides simultaneously defining left action bars 1 is respectively outside and the inner side of described left action bars 1, and the left and right sides defining right action bars 2 is respectively the inner side and outer side of described right action bars 2.
Shown in composition graphs 2 and Fig. 4, the head 4 of two, described left and right action bars 1,2 all offers perforation 7 in corresponding place, the two ends of described chain 6 reach the outside of left action bars 1 and right action bars 2 respectively by described perforation 7, and hasp 8 on the two ends of chain 6 connect, described hasp 8 can carry out closing and opening under manual adjustment.Described chain 6 is connected to form by a plurality of latch closure, and length generally selects 7 ~ 10cm.When needing the distance between two action bars 1,2 of adjustment left and right, as the distance between two action bars 1,2 need be reduced, then by the outer side stretching of the two ends of chain 6 to two action bars 1,2, when adjusting to suitable distance, hasp 8 is just used to carry out locking; On the contrary, when need increase the distance between two action bars 1,2 time, then pumpback is carried out to the inner side of two action bars 1,2 in the two ends of chain 6, when adjusting to desired distance, just hasp 8 is used to carry out locking, achieve and carry out free adjustment according to the width of calcaneus, improve the operating flexibility of action bars.
Simultaneously, the two ends of chain 6 form rotating fulcrum 9 respectively, namely left action bars 1 can carry out rotating adjustment relative to described right action bars 2 in certain space, in like manner right action bars 2 also can carry out rotating adjustment relative to described left action bars 1 in certain space, can only compared with the position relationship between parallel adjustment operation bar with bolt connecting mode before, adopt the connected mode of adjustable type chain, the motility of action bars adjustment increases greatly, the accurate location at the calcaneus position to required reset can be realized, 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, and the mode that can realize distance between two action bars 1,2 adjustable all can be applied in the present invention.Such as can also adopt two independently chains, wherein one end of two chains is separately fixed at the head of left and right action bars 1,2, and the other end then carries out adjustable connection by hasp 8.
The length of described action bars 1,2 is 50 ~ 60cm, the metal material that material selection quality is lighter, preferential aluminium compo pipe.
The afterbody 5 of described left and right action bars 1,2 is all set with polymer toggle 51, wherein toggle 51 outer surface is provided with a plurality of protruding 52, coordinates human hand shape to design, and user can be allowed to have the feel of the most comfortable and well handling.
Shown in composition graphs 2 and Fig. 3, described power sensory package 3 is fixedly installed on two, described left and right action bars 1,2 respectively, for realizing gripping patient's calcaneus, and the force diagram describing and measure in resetting means therapeutic process changes, the force etc. of safety range, makes 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 connecting rod 32 is vertically interspersed to be fixed in described action bars 1,2, and two ends are all stretched out outside described action bars 1,2, 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 ensureing 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 the one end inside described action bars 1,2 and is fixedly connected with described fixing head 31, and the other end is then fixedly connected with described force cell 33.
Described fixing head 31 lives the calcaneus position of patient 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 oval shape, the physiology and appearance feature of laminating human foot, can realize the optimum matching with outside curve in calcaneus, reaches and farthest recovers broadening transverse diameter.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, and be wherein preferably 6cm, 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 is also enclosed with external application nitride layer 10, and described external application nitride layer 10 can select macromolecular material, as silicone rubber etc.For preventing uneven extruding and the cutting of described fixing head 31 pairs of soft tissues, decrease the pain of patient in pressed home process.The gross thickness of described fixing head 31, both external application nitride layer 10 is set to 3cm.
Described action bars 1,2, fixing head 31 and described external application nitride layer 10 form holistic operating platform, and wherein, described external application nitride layer 10 is as the operation planar of this operating platform.
Described force cell 33 changes for the force diagram describing and measure in resetting means therapeutic process, the force etc. of safety range, in the present embodiment, selected range is the miniature force cell of 100N ~ 20KN, the quantitative and qualitative of the mechanism of this device can be realized, so that this device is better improved and better promoted.
Described display device is connected with described force cell 33, for demonstrating each parameter value measured by force cell 33 intuitively.
During operation, the width of calcaneus concrete according to patient, adjustment chain 6 is to suitable width, using outside in the below calcaneus being placed on patient's medial and lateral malleolus as two pieces of fixing heads 31 of fulcrum force, after fixedly completing, user is firmly held with a firm grip afterbody, and two action bars 1,2 are come closer, such two fulcrum force portions can produce huge radial pressure, thus make broadening calcaneus recover normal.The parameter such as force value that operation produces can gather by force cell 33, and to be shown by display device, adjust the active force of operator, the fixed position etc. of fixing head 31 in time according to the parameter value obtained, regulation and control are play a part to operating process.
Technology contents of the present invention and technical characteristic have disclosed as above; but those of ordinary skill in the art still may do all replacement and the modification that do not deviate from spirit of the present invention based on teaching of the present invention and announcement; therefore; scope should be not limited to the content that embodiment discloses; and various do not deviate from replacement of the present invention and modification should be comprised, and contained by present patent application claim.
Claims (10)
1. a calcaneal fracture manual repositor, it is characterized in that, comprise action bars and be fixed on the power sensory package on described action bars, connected by chain between described action bars, described power sensory package comprises fixing head, complex root connecting rod and force cell, and described connecting rod is vertically interspersed to be fixed in described action bars, and two ends are all stretched out outside described action bars, 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. calcaneal fracture manual repositor according to claim 1, is characterized in that, described action bars comprises two, and two action bars include head and afterbody, carries out adjustable connection between described two heads by chain.
3. calcaneal fracture manual repositor according to claim 1 and 2, is characterized in that, described action bars aluminium compo pipe.
4. calcaneal fracture manual repositor according to claim 2, is characterized in that, two head part of described action bars do not offer the perforation for connecting described adjustable type chain, and described adjustable type chain stretches out outside described perforation, and two ends are connected to hasp.
5. calcaneal fracture manual repositor according to claim 2, is characterized in that, described afterbody is set with polymer toggle, and the outer surface of described polymer toggle is provided with a plurality of projection.
6. calcaneal fracture manual repositor 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, described lateral surface parcel external application nitride layer.
7. calcaneal fracture manual repositor according to claim 6, is characterized in that, described lateral surface is oval shape.
8. calcaneal fracture manual repositor 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. calcaneal fracture manual repositor according to claim 1, is characterized in that, described force cell and described fixing head are all fixedly welded on described connecting rod.
10. calcaneal fracture manual repositor 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN103479455A CN103479455A (en) | 2014-01-01 |
| CN103479455B true CN103479455B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484537.5A Expired - Fee Related CN103479455B (en) | 2013-10-16 | 2013-10-16 | Calcaneal fracture manual repositor |
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Families Citing this family (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 |
Family Cites Families (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 |
| US9615814B2 (en) * | 2006-12-13 | 2017-04-11 | 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 |
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2013
- 2013-10-16 CN CN201310484537.5A patent/CN103479455B/en not_active Expired - Fee Related
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