CN102836002B - Kirschner wire guiding device - Google Patents
Kirschner wire guiding device Download PDFInfo
- Publication number
- CN102836002B CN102836002B CN201210332021.4A CN201210332021A CN102836002B CN 102836002 B CN102836002 B CN 102836002B CN 201210332021 A CN201210332021 A CN 201210332021A CN 102836002 B CN102836002 B CN 102836002B
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- kirschner wire
- pressing plate
- fixing
- ring
- wire guider
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Abstract
The invention discloses a kirschner wire guiding device. The kirschner wire guiding device comprises a hollow circular fixing ring, and at least two pressing plates which are symmetrically and axially arranged in the fixing ring in passing penetrating way; the fixing ring and the pressing plates are connected through pressure nuts; the distances between the pressing plates and the fixing ring are adjusted by the pressure nuts; the end parts of the pressure plates are provided with fixing devices; each fixing device is a plate-shaped object which is provided with a locking slot matched with the cross section of the pressing plate end part; and screw holes matched with the screw threads of the kirschner wire guiding device are arranged in the fixing device. With the adoption of the kirschner wire guiding device, the kirschner wire guiding device can be stably fixed at the needle inserting position of the limb of a patient who needs to be inserted by the kirschner wire; when the kirschner wire guiding device is used, only the kirschner wire is pushed into the needle inserting point along the kirschner wire until the top end of the kirschner wire gets to a needle withdrawing point. The kirschner wire guiding device is simple in structure and easy to operate and can be quickly and accurately pushed in, thereby avoiding the secondary damage and saving the operation time.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of Kirschner wire guider.
Background technology
Kirschner wire is a kind of orthopaedics and the conventional internal fixation material of hands surgery, it is 20 centimeters of left and right that its specification is generally fixed on length, diameter is between 0.5～2 millimeter, be mainly used in fixing short and small fracture or the little fracture fixation of avulsion fracture iso-stress, be also often used in interim sclerite in bone surgery fixing.For example, often for fracture of finger, fix clinically and the fixing Kirschner wire that adopts of interphalangeal joint is fixed, but accurately penetrate the more difficult assurance of Kirschner wire, particularly from finger tip, toward nearside, penetrate, need repeatedly squeeze into, virtually increased the weight of secondary damage, extended operating time.
Although the development along with technology, also some Kirschner wire guiders have been there are, for example, in December in 2011 disclosed Chinese utility model patent on the 21st, number of patent application is 201120119087.6, a kind of Multifunctional Kirschner wire positioning guide is disclosed, comprise two ends respectively connecting handle and the fixing fixed arm of fixture block, telescopic travelling arm be connected to fixedly on fixture block and relatively fixed arm laterally slide, the other end of telescopic travelling arm is fixed with positioning wedged block, adjustable location travelling arm is vertically inserted in positioning wedged block and can slides up and down, the lower end of adjustable location travelling arm is fixedly connected with guiding target sleeve pipe, horizontal plug-in mounting fixed sleeving on handle.But this Kirschner wire guider not only complex structure, take up room greatly, and be difficult for holding during operation.
Therefore, be badly in need of a kind of guider easy and simple to handle, that can assist Kirschner wire once to squeeze into exactly.
Summary of the invention
The problem that the present invention solves is to provide a kind of guider easy and simple to handle, that can guide Kirschner wire once to squeeze into.
For addressing the above problem, the present invention has disclosed a kind of Kirschner wire guider, comprise hollow and annular ring for fixing, at least two axially run through the pressing plate being arranged in described ring for fixing symmetrically, between described ring for fixing and described pressing plate, by pressurizing nut, connect, distance between described pressing plate and described ring for fixing regulates by described pressurizing nut, described pressing plate end is provided with holder, described holder is the plate object that offers the draw-in groove matching with described pressing plate end cross-sectional, on described holder and pressing plate, offer the screw matching with the screw thread of Kirschner wire guider, the top of described pressurizing nut is passed described ring for fixing and is threaded with described ring for fixing, between the tail end of described pressurizing nut and described pressing plate, be provided with pressure control device, described pressure control device comprises and being arranged on described pressing plate, projection near described pressurizing nut one side, in described projection, be provided with cavity, in described cavity, be provided with spring, the tail end of described pressurizing nut stretches into described cavity and is connected with a free end of described spring, another free end of described spring is connected with described pressing plate.
Preferably, the quantity of described pressing plate is four, and uniform ring is around in described ring for fixing.
Preferably, the top of described pressurizing nut is passed described ring for fixing and is threaded with described ring for fixing, and the tail end of described pressurizing nut is fixedly connected with described pressing plate.
Preferably, the prolonging direction along described spring on described projection offers for observing the groove of the compression degree of spring, and the outer wall subscript of described projection is marked with spring start line and pressure warning line.
Preferably, at least a portion of described projection adopts transparent material to make, and for observing the compression degree of spring, the outer wall subscript of described projection is marked with spring start line and pressure warning line.
Preferably, the cross section of described holder is " ten " font, along described holder place plane, extends four extended surfaces, and described draw-in groove is arranged on described extended surface near free end.
Preferably, described holder is disc, and described bayonet slot ring winding is placed in the edge of described holder.
Preferably, described ring for fixing adopts the ring for fixing that carbon fibre material or highstrenghtpiston make.
Preferably, the pressing plate that described pressing plate adopts carbon fibre material or highstrenghtpiston to make, or plastic presser plate.
Compared with prior art, the present invention has the following advantages: disclosed Kirschner wire guider, during use, can first according to multiple actual needs, in advance limbs of patient be fixed on to special posture, and Kirschner wire guider is firmly fixed on to the limbs of patient inserting needle place of Kirschner wire to be squeezed into, subsequently Kirschner wire is squeezed into entry point along Kirschner wire guider, until the top of Kirschner wire arrives out pin mark, simple in structure easy to operate, not only can rapidly, accurately squeeze into Kirschner wire, avoid secondary damage, and saved operating time.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of Kirschner wire guider in the preferred embodiment of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the structural representation of pressure control device in the preferred embodiment of the present invention;
Fig. 5 is the structural representation of holder in the preferred embodiment of the present invention;
Fig. 6 is the structural representation of pressing plate when Kirschner wire intersects fixedly;
Fig. 7 is the assembly structure schematic diagram of pressing plate and Kirschner wire guider when Kirschner wire intersects fixedly;
Fig. 8 is the structural representation of pressing plate while carrying out terminal extensor tendon reparation;
Fig. 9 is the structural representation that carries out distal interphalangeal joint flexing position pressing plate fixedly time;
Figure 10 is the structural representation that carries out near, fracture of middle phalanx pressing plate fixedly time;
Figure 11 carries out the structural representation that proximal phalangeal joints stretches position pressing plate fixedly time;
Wherein: 1, ring for fixing; 2, pressing plate; 21, projection; 22, cavity; 3, spring; 4, pressurizing nut; 6, holder; 61, draw-in groove; 62, screw; 63, extended surface; 7, Kirschner wire guider; 8, Kirschner wire.
The specific embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in detail.
As shown in Figure 1 to Figure 3, the present invention has disclosed a kind of Kirschner wire guider, this Kirschner wire guider comprises hollow and annular ring for fixing 1, ring for fixing 1 is for entangling the limbs of Kirschner wire to be squeezed into, such as finger is (in the preferred embodiment of the present invention, selecting finger to squeeze into object for Kirschner wire is example, can certainly be the position of other Kirschner wire to be squeezed into of human body, the vola when palm during as toes, metacarpal fracture, sufficient fracture of the metatarsal bone).In order to guarantee the firmness of ring for fixing 1, more than the wall thickness of ring for fixing 1 is chosen in 1mm.
Disclosed Kirschner wire guider, also comprises that at least two axially run through the pressing plate 2 being arranged in ring for fixing 1 symmetrically, and pressing plate 2, for finger is applied to certain pressure, affects fixed effect to prevent finger from arbitrarily touching.Between ring for fixing 1 and pressing plate 2, by pressurizing nut 4, connect, distance between pressing plate 2 and ring for fixing 1 regulates by pressurizing nut 4, thereby can regulate distance suitable between pressing plate 2 and finger according to patient's thick fingers details condition, to hold the limbs of different thicknesses, convenient operation.
Pressing plate 2 ends are provided with holder 6, and as shown in Figure 5, holder 6 is for offering the plate object of the draw-in groove 61 matching with pressing plate 2 end cross-sectional, and holder 6 is for the distance between fixation clip 2.In addition, offer the screw 62 matching with the screw thread of Kirschner wire guider 7 on holder 6, screw 62 slightly partially dorsal part is beneficial to accurately along the phalangette longitudinal axis, penetrate Kirschner wire.During use, only the draw-in groove of holder 6 61 need be aimed to the end of pressing plate 2 and snapped in, after distance between pressing plate 2 is fixed, the end of thread of Kirschner wire guider 7 inserted to the screw 62 of holder 6 and screws in, finally Kirschner wire 8 being squeezed into and treated fixed position along Kirschner wire guider 7.Kirschner wire guider 7 is herein the externally threaded hollow tubular thing of one end band, in bone surgery through being commonly used to guide elongated Kirschner wire.
In the preferred embodiment of the present invention, the quantity of pressing plate 2 is four, and uniform ring is around in ring for fixing 1, so arranges, not only can be effectively fixing injured limb, and can save material, reduce costs.Certainly, also can suitably increase or reduce the quantity of pressing plate 2, to adapt to special circumstances, as when pointing a side and having foreign body to place pressing plate, can only place symmetrically 2 block pressur plates, and for example place upper and lower 2 block pressur plates during metacarpal fracture.
Particularly, the connected mode between ring for fixing 1, pressing plate 2 and pressurizing nut 4 can be: the top of pressurizing nut 4 is passed ring for fixing 1 and is threaded with ring for fixing 1, and the tail end of pressurizing nut 4 is fixedly connected with pressing plate 2.So arrange, by rotation pressurizing nut 4, can regulate like a cork the distance between pressing plate 2 and ring for fixing 1, to hold the limbs of different thicknesses, convenient operation.
Pressing plate 2 puts on the pressure of limbs of patient should be just right, should prevent limbs of patient (particularly finger) from arbitrarily touching and affect fixed effect, prevent again that pressure is excessive and cause soft tissue injury, therefore, in the preferred embodiment of the present invention, between pressurizing nut 4 and pressing plate 2, be provided with pressure control device, by this pressure control device controlled pressure quantitatively.Particularly, the top of pressurizing nut 4 is passed ring for fixing 1 and is threaded with ring for fixing 1, between the tail end of pressurizing nut 4 and pressing plate 2, is provided with pressure control device.Incorporated by reference to Fig. 4, pressure control device comprise be arranged on pressing plate 2, near the projection 21 of pressurizing nut 4 one sides, in projection 21, be provided with cavity 22, in cavity 22, be provided with spring 3, the tail end of pressurizing nut 4 stretches into cavity 22 and is connected with a free end of spring 3, and another free end of spring 3 is connected with pressing plate 2.
2 pairs of excessive generation soft tissue injurys of limbs of patient institute applied pressure of pressing plate in order to prevent from using, prolonging direction along spring 3 on projection 21 offers for observing the groove (not shown) of the compression degree of spring 3, and the outer wall subscript of projection 21 is marked with spring start line and pressure warning line.
Or, on projection 21, also can not be provided for observing the groove of the compression degree of spring 3, but take another kind of alternative method: at least a portion of projection 21 adopts transparent material to make, can observe very intuitively the compression degree of spring 3, the outer wall subscript of projection 21 is marked with spring start line and pressure warning line, by selecting the spring of suitable elasticity, just can calculating pressure size according to compression degree.
In the preferred embodiment of the present invention, as shown in Figure 5, along holder 6 place planes, extend four extended surfaces 63, the cross section of holder 6 is " ten " font, draw-in groove 61 is arranged on extended surface near free end.
Certainly, holder 6 also can be set to be disc, and draw-in groove 61 is around the edge that is arranged at holder 6.
In order to adapt to the finger that thickness is different, holder 6 has plurality of specifications, during use, first measures the distance between finger and upper and lower, left and right clamping plate, to select the specification of suitable holder 6, so that Kirschner wire guider 7 and the phalanges longitudinal axis are in line.
In order to prevent that 1 pair of patient's injured limb position of ring for fixing produces in operative treatment process, block, thereby affect X-ray examination, ring for fixing 1 adopts carbon fibre material to make.Carbon fiber is a kind of new material of mechanical property excellence, and not only X ray permeability is good, and its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength all more than 3500Mpa, is generally 7～9 times of steel.Certainly, except carbon fibre material, ring for fixing 1 also can adopt on-deformable highstrenghtpiston to make.
In like manner, pressing plate 2 also can adopt carbon fibre material or highstrenghtpiston to make, with the requirement that meets high strength and do not block x-ray.
Because this device is for operation, so this installs material that all parts adopt, all should meet and can carry out sterilization treatment condition, the conventional high pressure steam sterilization that adopts, sterilising conditions requires: steam pressure 205.8kPa (2.1kg/cm
2), temperature reaches 132 ℃ above and maintains 10 minutes.
During use, only ring for fixing 1 need be inserted in to patient's injured limb carefully, adjust the position for the treatment of fixed position, be screwed into each pressurizing nut 4, 2 pairs of injured limb of pressing plate are evenly pressurizeed, institute's applied pressure is controlled at not damage patient's soft tissue and is limited, then the top of selecting the holder 6 of appropriate size to be inserted in pressing plate 2, overlap the top that fashionable attention makes the draw-in groove 61 aligning pressing plates 2 on holder 6, finally the screw thread of Kirschner wire guider 7 tail ends aimed to the screw 62 on holder 6 and screwed in, Kirschner wire is squeezed into and on limbs, treated fixed position along Kirschner wire guider 7.
In addition, for intersecting fixing situation with Kirschner wire, can on pressing plate 2, design three threaded screws, as shown in Figure 6, these three screws are respectively 90 °, 45 °, 15 ° with respect to the angle of inclination of pressing plate 2 place horizontal planes, as long as being screwed into Kirschner wire guider 7 at each screw can squeeze into Kirschner wire along Kirschner wire guider 7, as shown in Figure 7.Certainly, the screw design attitude on pressing plate 2 and angle can be diversified herein, and to meet multiple fixed demand, side neurovascular bundle should be avoided pointing in the position of screw.
On the other hand, when carrying out the reparation of extensor tendon stop, need distal interphalangeal joint to be fixed on and to stretch position, as shown in Figure 8; When carrying out distal interphalangeal joint fusion or the reconstruction of flexor digitorum profundus tendon stop, distal interphalangeal joint need be fixed on and bend 45 °, as shown in Figure 9; , fracture of middle phalanx near when carrying out reset, fixedly time, this need be saved to Phalangeal fracture resets and straight fixing, as shown in figure 10; When carrying out proximal phalangeal joints, stretch position fixedly time, proximal phalangeal joints need be stretched to position and fix, as shown in figure 11.In actual use, can need to design difform pressing plate according to difference, so that it is fixing to thread a needle after finger is fixed in advance again.
Disclosed Kirschner wire guider, can first according to multiple actual needs, in advance finger be fixed on to special posture, and the patient that Kirschner wire guider is firmly fixed on Kirschner wire to be squeezed into is pointed to inserting needle place, screw on holder and pressing plate has a plurality of special angles, direction, and clinical use can select suitable screw to be screwed into Kirschner wire guider according to actual needs.During use, only Kirschner wire need be squeezed into entry point along Kirschner wire guider, until the top of Kirschner wire arrives out pin mark, simple in structure easy to operate, can be rapidly, exactly Kirschner wire is squeezed into, avoid secondary damage, be applicable to especially how moving finger flexibly; On the other hand, by using this Kirschner wire guider, not only saved operating time, and do not affected limbs of patient and carry out X-ray ray examination.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a Kirschner wire guider, it is characterized in that: comprise hollow and annular ring for fixing (1), at least two axially run through the pressing plate (2) being arranged in described ring for fixing (1) symmetrically, between described ring for fixing (1) and described pressing plate (2), by pressurizing nut (4), connect, distance between described pressing plate (2) and described ring for fixing (1) regulates by described pressurizing nut (4), described pressing plate (2) end is provided with holder (6), described holder (6) is for offering the plate object of the draw-in groove (61) matching with described pressing plate (2) end cross-sectional, on described holder (6) and pressing plate (2), offer the screw matching with the screw thread of Kirschner wire guider (7), the top of described pressurizing nut (4) is passed described ring for fixing (1) and is threaded with described ring for fixing (1), between the tail end of described pressurizing nut (4) and described pressing plate (2), be provided with pressure control device, described pressure control device comprises and being arranged on described pressing plate (2), projection (21) near described pressurizing nut (4) one side, in described projection (21), be provided with cavity (22), in described cavity (22), be provided with spring (3), the tail end of described pressurizing nut (4) stretches into described cavity (22) and is connected with a free end of described spring (3), another free end of described spring (3) is connected with described pressing plate (2).
2. Kirschner wire guider according to claim 1, is characterized in that: the quantity of described pressing plate (2) is four, and uniform ring is around in described ring for fixing (1).
3. Kirschner wire guider according to claim 1, it is characterized in that: the top of described pressurizing nut (4) is passed described ring for fixing (1) and is threaded with described ring for fixing (1), and the tail end of described pressurizing nut (4) is fixedly connected with described pressing plate (2).
4. Kirschner wire guider according to claim 1, it is characterized in that: the upper prolonging direction along described spring (3) of described projection (21) offers for observing the groove of the compression degree of spring (3), and the outer wall subscript of described projection (21) is marked with spring start line and pressure warning line.
5. Kirschner wire guider according to claim 1, it is characterized in that: at least a portion of described projection (21) adopts transparent material to make, be used for observing the compression degree of spring (3), the outer wall subscript of described projection (21) is marked with spring start line and pressure warning line.
6. Kirschner wire guider according to claim 1, it is characterized in that: the cross section of described holder (6) is " ten " font, along described holder (6) place plane, extend four extended surfaces, described draw-in groove (61) is arranged on described extended surface near free end.
7. Kirschner wire guider according to claim 1, is characterized in that: described holder (6) is disc, and described draw-in groove (61) is around the edge that is arranged at described holder (6).
8. Kirschner wire guider according to claim 1, is characterized in that: the ring for fixing that described ring for fixing (1) adopts carbon fibre material or highstrenghtpiston to make.
9. Kirschner wire guider according to claim 1, is characterized in that: the pressing plate that described pressing plate (2) adopts carbon fibre material or highstrenghtpiston to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332021.4A CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332021.4A CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102836002A CN102836002A (en) | 2012-12-26 |
| CN102836002B true CN102836002B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332021.4A Expired - Fee Related CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963010B (en) * | 2015-04-14 | 2018-08-03 | 青岛亿嘉诺日化有限公司 | Dentoid process of axis's sighting device |
| CN105662572B (en) * | 2016-03-15 | 2018-10-30 | 丁勇 | Kirschner wire guider |
| CN107854168B (en) * | 2017-11-30 | 2024-07-12 | 扬州大学附属医院 | Method and device for treating fracture of carpal navicular bone |
| CN110693586B (en) * | 2019-11-04 | 2024-08-20 | 华中科技大学同济医学院附属协和医院 | External fixator for crossed Kirschner wire |
| CN111513907A (en) * | 2020-04-30 | 2020-08-11 | 李卿 | Automatic splint for orthopedics department |
| CN111658117B (en) * | 2020-07-14 | 2021-07-30 | 山东中医药大学附属医院 | Calcaneus fracture fixing plate |
| US11666361B1 (en) * | 2022-02-24 | 2023-06-06 | Rambam Medtech Ltd. | Device and method for phalanx fracture reduction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120554U (en) * | 1992-02-28 | 1992-11-04 | 王瑞稳 | Fracture closed treating device for leg bone |
| CN2135345Y (en) * | 1992-07-14 | 1993-06-09 | 中国中医研究院骨伤科研究所 | Fracture reduction fixator with moving needle lock and pressing board |
| IL105183A (en) * | 1993-03-28 | 1996-07-23 | Yehiel Gotfried | Surgical device for connection of fractured bones |
| US7569059B2 (en) * | 2005-04-20 | 2009-08-04 | Arthroscopic Innovations Llc | Method and apparatus for surgical repair |
| CN201617943U (en) * | 2010-03-30 | 2010-11-03 | 沙连生 | Dynamic hip guider |
| CN202761430U (en) * | 2012-09-10 | 2013-03-06 | 苏州大学 | Kirschner wire guiding device |
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2012
- 2012-09-10 CN CN201210332021.4A patent/CN102836002B/en not_active Expired - Fee Related
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| CN102836002A (en) | 2012-12-26 |
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