CN203861335U - Novel simple and convenient calcaneal sustentaculum talus aiming guider - Google Patents
Novel simple and convenient calcaneal sustentaculum talus aiming guider Download PDFInfo
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- CN203861335U CN203861335U CN201420244398.9U CN201420244398U CN203861335U CN 203861335 U CN203861335 U CN 203861335U CN 201420244398 U CN201420244398 U CN 201420244398U CN 203861335 U CN203861335 U CN 203861335U
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- guide pin
- sustentaculum
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- support
- guider
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Abstract
The utility model discloses a novel simple and convenient calcaneal sustentaculum talus aiming guider. The aiming guider comprises a main aiming support and an auxiliary aiming support which are fixed in an inserting manner, wherein the auxiliary aiming support comprises an auxiliary support body as well as an inserting hole and an auxiliary guide pin channel which are arranged at two side ends of the auxiliary support body respectively, and the main aiming support mainly comprises a main support body as well as an inserting positioning column and a main guide pin channel which are arranged at two side ends of the main support body respectively. The main aiming support and the auxiliary aiming support are matched through the inserting positioning column and the inserting hole on the upper side to be butt-jointed to be in a door-shaped combined form. A lock nut structure is arranged on the outer side of the inserting hole, and the butt-jointed main and auxiliary aiming supports can be combined more stably after the lock nut structure is screwed, so that the hollow guide pin channels on two sides of the lower side correspond more accurately, point-to-point accurate puncture by guide pins on the lower side can be realized smoothly and conveniently, and follow-up guide and penetration of screws for fixation are facilitated.
Description
Technical field
This utility model relates to a kind of bone surgery auxiliary facilities, and particularly a kind of sustentaculum of talus aims at guider.
Background technology
Fracture of calcaneus is the common a kind of classification of fracture of orthopaedics.If the healing of fracture is bad or malunion, very easily cause the arthritic generation of traumatic bone, tend to bring various poor prognosis to patient, patient's ankle joints of foot function is badly damaged, quality of life obviously declines.Along with the development of modern medical service technology, good efficacy and the bright prospects of Wicresoft's internal fixation operation treatment fracture of calcaneus more and more come into one's own.
Yet it is very complicated that calcaneus is dissected, and in three-dimensional, has many joints axes, surface texture is three-dimensional, uneven, and the chance that suffers to occur after outside destroy fracture is larger, and such fracture often relates to the articular surface of calcaneus and other shanks.Wherein, especially important with subtalar joint posterior articular facet.In the treatment of fracture of calcaneus, for the parking position accuracy of this articular surface and firm interior be fixedly main technical problem.Sustentaculum tali, constant, the hard bone that is positioned at just this articular surface inner side is protruding.In various types of fractures of calcaneus, the deformation of this structure and displacement are generally rarely found, thereby sustentaculum tali is an important reference configuration in the internal fixation treatment of fracture of calcaneus.A large amount of experimentatioies show, in carrying out calcaneus, fixedly time, sustentaculum tali, is that desirable screw is screwed into a position, by the fixing sustentaculum tali of the puncture of predetermined structure below the articular surface of calcaneus lateral wall, can provide stable support to articular surface.
But in clinical manipulation, if there is no enough suitable auxiliary facilities, even under x-ray location, it is fixedly very difficult wanting to realize through the puncture of the both sides of sustentaculum tali Reasonable Orientation.For the abundant not doctor of operating experience, the enforcement of this operation is a clinical difficult problem.Particularly, under sustentaculum tali, there are the tissues such as flexor pollicis longus muscle tendon and neural blood vessel to exist, if puncture procedure inaccuracy, incorrect will cause unnecessary secondary damage, or even catastrophic medical injure.
Prior art is when implementing fracture of calcaneus internal fixation operation, and sustentaculum tali is screwed into screw after threading a needle, and is all the visual sight of feeling to carry out two ends, outside in calcaneus by patient, then utilizes the perspective of C arm X-ray machine to adjust aim bias.Therefore there is more shortcoming: 1. owing to being to feel to carry out visual sight by patient, recycling perspective is carried out deviation adjustment, and the required time of therefore performing the operation is long; 2. aim at the feel that need to rely on patient, therefore patient is proposed to very high requirement, the learning time that is operation preparation is very long; 3. operation process need to be had an X-rayed adjustment direction repeatedly by C arm, and patient and medical personnel are caused to radiation damage, and extends operating time.4. after completing interior outside guide pin and passing, also need depth measurement, be screwed into the steps such as screw, perform the operation more loaded down with trivial details.5. if there is operation deviation, will cause iatrogenic injury to normal human tissue.
Utility model content
The purpose of this utility model is to overcome the existing deficiency of prior art, and the problem for occurring in calcaneus internal fixation operation clinically, provides a kind of simple in structure, and low cost of manufacture is used and sterilizes conveniently, and robust sustentaculum of talus aims at guider.
In order to solve the problems of the technologies described above, this utility model is achieved through the following technical solutions:
A kind of sustentaculum of talus of this utility model aims at guider, comprise main collimation support and secondary collimation support, secondary collimation support and main collimation support are pegged graft fixing, spliced eye and secondary guide pin passage formation that it comprises assistant support body and is located at respectively assistant support body two side ends; Described main collimation support mainly consists of main support body and grafting locating dowel and the leading pin pathway of being located at respectively main support body two side ends; Grafting locating dowel and spliced eye peg graft fixing and for prevent secondary collimation support peg graft fixing after unintentional rotation, described leading needle passageway is walked direction, itself and the corresponding setting of secondary guide pin passage for limiting guide pin in human body calcaneus.
Further, described grafting locating dowel is rectangular structure, and described spliced eye is square opening.
Further, on described secondary collimation support, being positioned at spliced eye place is provided with for by the locking nut structure of spliced eye and grafting locating dowel locking.
Further, the diameter of described major and minor guide pin passage is consistent with guide pin passes and limits guide pin for guide pin walk direction in human body calcaneus.
Further, in described grafting locating dowel or spliced eye peripheral hardware be useful on and measure the rule pass sustentaculum tali and to be positioned at the guide pin distance of calcaneus.
Further, the least unit of described rule is 1mm.
Further, described spliced eye and secondary guide pin channel vertical are arranged on assistant support body.
Further, described grafting locating dowel and leading needle passageway are vertically installed on main support body.
Compared with prior art, the beneficial effects of the utility model are:
Design purport of the present utility model is that the operation for Wicresoft's internal fixation treatment fracture of calcaneus provides accurately, aid easily, by cooperatively interacting of leading needle passageway and secondary guide pin passage, can in physical arrangement, guarantee in sustentaculum tali the accurate aiming in outside, the feel that need not rely on patient can realize the aiming in outside in sustentaculum tali and thread a needle fixing.Particularly, 1, the diameter of major and minor guide pin passage is consistent with guide pin, thus can be for guide pin through threading a needle to facilitate to aim at; 2, the rule in grafting locating dowel or outside spliced eye, can accurately measure the guide pin distance that passes sustentaculum tali and be positioned at calcaneus, exchange depth measurement step that need not original technology; 3, locking nut structure can further guarantee that main collimation support and secondary collimation support peg graft fixingly, in any case operation process swings patient's suffering limb, all can not cause sight to depart from, and causes error in data.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model;
Fig. 2 is that structure of the present utility model splits schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, structure of the present utility model is done to detailed explanation and explanation, but be not the restriction to this utility model structure.
Refer to Fig. 1, sustentaculum of talus of the present utility model aims at guider, comprise main collimation support 1 and secondary collimation support 2, secondary collimation support 2 is fixed by grafting with main collimation support 1, can be fixed on both sides inside and outside calcaneus according to the distance between the size adjustment master of human body calcaneus/secondary collimation support and by master/secondary collimation support.
Please refer to Fig. 2, main collimation support 1 mainly consists of main support body 101, grafting locating dowel 102 and leading needle passageway 103; The locating dowel of wherein pegging graft 102 and leading needle passageway 103 are vertically installed in respectively main support body 101 two side ends.
Grafting locating dowel 102 is rectangular structure, fixes rear unintentional rotation, thereby in any case guarantee to swing patient's suffering limb in operation process, all can not cause this aiming guider to depart from for preventing that secondary collimation support 2 from pegging graft.For Measurement accuracy passes sustentaculum tali and is positioned at the guide pin distance of calcaneus, in grafting locating dowel 102, be carved with rule, the least unit of this rule is 1mm.Rule also can be located at outside spliced eye, and its structure and the present embodiment are basic identical, realizes identical technique effect, and therefore not to repeat here.
Leading needle passageway 103 Main Functions be for guide pin through threading a needle to facilitate to aim at, limit guide pin simultaneously and walk direction in human body calcaneus, its diameter is consistent with the special-purpose guide pin of orthopaedics, this orthopaedics special use guide pin can be Kirschner wire.
As Fig. 2, secondary collimation support 2 mainly consists of assistant support body 201, spliced eye 202 and secondary guide pin passage 203; Wherein, spliced eye 202 and secondary guide pin passage 203 are vertically installed in assistant support body 201 two side ends.Secondary guide pin passage 203 and the corresponding setting of leading needle passageway 103, for accepting autonomous guide pin passage insertion and by the guide pin passing after sustentaculum tali.
In order to coordinate with grafting locating dowel 102, spliced eye 202 is made as square opening; Which is provided with for the locking nut structure with 102 lockings of grafting locating dowel by spliced eye 202.This locking nut structure consists of locking nut and the bolt that cooperatively interacts.
While using in operation, first grafting locating dowel 102 is inserted in spliced eye 202, to dominate needle passageway 103 and secondary guide pin passage 203 simultaneously and be fixed on the inside and outside both sides of human body calcaneus, by adjusting the insertion depth of grafting locating dowel 102, make main collimation support 1 and secondary collimation support 2 be fixed on the inside and outside both sides of calcaneus, after fixing, with locking nut structure locking, further guarantee to aim at the stabilized structure of guider, this has just completed being fixedly connected with of this utility model and calcaneus.Then from feeder connection, throw the special-purpose guide pin of orthopaedics into leading needle passageway, because the diameter of leading needle passageway is consistent with guide pin, so the direction of walking of guide pin in calcaneus has been fixed and can not have produced deviation.Guide pin just passes from secondary guide pin passage through after sustentaculum tali, thereby completes easily accurately squeezing into of guide pin.
Aiming guide structure of the present utility model is simple, can alleviate like this disinfection amount after use, can avoid thoroughly not causing nosocomial infection because of parts sterilization simultaneously, or because parts distortion after repeatedly sterilizing causes equipment degree of accuracy to decline and even whole equipment scrapping, thereby effectively reduce the expense of surgical apparatus.
This utility model is not limited to above-mentioned embodiment, if various changes of the present utility model or distortion are not departed to spirit and scope of the present utility model, if within these changes and distortion belong to claim of the present utility model and equivalent technologies scope, intention of the present utility model also comprises these changes and distortion.
Claims (8)
1. a sustentaculum of talus aims at guider, it is characterized in that: comprise main collimation support and secondary collimation support, secondary collimation support and main collimation support are pegged graft fixing, spliced eye and secondary guide pin passage formation that it comprises assistant support body and is located at respectively assistant support body two side ends; Described main collimation support mainly consists of main support body and grafting locating dowel and the leading pin pathway of being located at respectively main support body two side ends; Grafting locating dowel and spliced eye peg graft fixing and for prevent secondary collimation support peg graft fixing after unintentional rotation, described leading needle passageway is walked direction, itself and the corresponding setting of secondary guide pin passage for limiting guide pin in human body calcaneus.
2. sustentaculum of talus according to claim 1 aims at guider, it is characterized in that: described grafting locating dowel is rectangular structure, and described spliced eye is square opening.
3. sustentaculum of talus according to claim 2 aims at guider, it is characterized in that: on described secondary collimation support, be positioned at spliced eye place and be provided with the locking nut structure for spliced eye and grafting locating dowel are locked.
4. according to sustentaculum of talus described in claim 1 or 3, aim at guider, it is characterized in that: the diameter of described major and minor guide pin passage is consistent with guide pin to be passed and limit guide pin for guide pin walk direction in human body calcaneus.
5. sustentaculum of talus according to claim 4 aims at guider, it is characterized in that: in described grafting locating dowel or spliced eye peripheral hardware be useful on and measure the rule that passes sustentaculum tali and be positioned at the guide pin distance of calcaneus.
6. sustentaculum of talus according to claim 5 aims at guider, it is characterized in that: the least unit of described rule is 1mm.
7. sustentaculum of talus according to claim 1 aims at guider, it is characterized in that: described spliced eye and secondary guide pin channel vertical are arranged on assistant support body.
8. sustentaculum of talus according to claim 7 aims at guider, it is characterized in that: described grafting locating dowel and leading needle passageway are vertically installed on main support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244398.9U CN203861335U (en) | 2014-05-13 | 2014-05-13 | Novel simple and convenient calcaneal sustentaculum talus aiming guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244398.9U CN203861335U (en) | 2014-05-13 | 2014-05-13 | Novel simple and convenient calcaneal sustentaculum talus aiming guider |
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| Publication Number | Publication Date |
|---|---|
| CN203861335U true CN203861335U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244398.9U Expired - Fee Related CN203861335U (en) | 2014-05-13 | 2014-05-13 | Novel simple and convenient calcaneal sustentaculum talus aiming guider |
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| CN (1) | CN203861335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997557A (en) * | 2015-06-04 | 2015-10-28 | 杨春 | Two-end-fixed rectangular frame-type sighting device |
| CN109498143A (en) * | 2019-01-03 | 2019-03-22 | 山东大学齐鲁医院(青岛) | A kind of sustentaculum of talus guider and its application method |
| CN109674523A (en) * | 2019-02-27 | 2019-04-26 | 华中科技大学同济医学院附属同济医院 | Articulatio sacroiliaca positions coaxial guider and its component through screw |
-
2014
- 2014-05-13 CN CN201420244398.9U patent/CN203861335U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997557A (en) * | 2015-06-04 | 2015-10-28 | 杨春 | Two-end-fixed rectangular frame-type sighting device |
| CN109498143A (en) * | 2019-01-03 | 2019-03-22 | 山东大学齐鲁医院(青岛) | A kind of sustentaculum of talus guider and its application method |
| CN109674523A (en) * | 2019-02-27 | 2019-04-26 | 华中科技大学同济医学院附属同济医院 | Articulatio sacroiliaca positions coaxial guider and its component through screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |