CN205597996U - Thighbone near -end expands marrow locater - Google Patents

Thighbone near -end expands marrow locater Download PDF

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Publication number
CN205597996U
CN205597996U CN201620308545.3U CN201620308545U CN205597996U CN 205597996 U CN205597996 U CN 205597996U CN 201620308545 U CN201620308545 U CN 201620308545U CN 205597996 U CN205597996 U CN 205597996U
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CN
China
Prior art keywords
guide pin
sleeve
turntable
rotating shaft
adjusting rod
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620308545.3U
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Chinese (zh)
Inventor
吴迎春
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Individual
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Individual
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Priority to CN201620308545.3U priority Critical patent/CN205597996U/en
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Publication of CN205597996U publication Critical patent/CN205597996U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Prostheses (AREA)

Abstract

The utility model discloses a thighbone near -end expands marrow locater, including pilot pin, guide pin sleeve, guide pin stock, second pivot, third regulation pole, ke shi needle sleeve, first guide pin, cover barrel holder, first revolving stage, second revolving stage, third revolving stage and fourth revolving stage, the pilot pin is registrated in guide pin cover barrel casing, can conveniently take out, the guide pin sleeve registrates on the guide pin stock, can be fixed by the fastening bolt who fixes on the guide pin stock, the guide pin stock is fixed on the support, and the guide pin sleeve is adjusted under the support is highest through rotatory first round nut, fourth revolving stage and telescopic link rigid connection, the sleeve registrates on first guide pin, and the sleeve passes through lock nut axial positioning, first guide pin and cover barrel holder connection in a sleeved manner. The utility model discloses make intramedullary nail operation opening become littleer, realize minimal access surgery, fix a position accurately for surgery effect is better, easy operation improves operation efficiency greatly, realize remote operation, avoid the doctor hurtd by the ray.

Description

A kind of near end of thighbone expands marrow position finder
Technical field
The present invention relates to a kind of medical domain, specifically a kind of near end of thighbone expands marrow position finder.
Background technology
Intramedullary pin belongs to the orthopedic fixation device tool in medical apparatus and instruments.Structure has medullary nailing rod, is provided with near-end at medullary nailing rod near-end Screw hole, has decompression Plane in medullary nailing rod surface configuration.One or more elongated subtracting it is provided with on medullary nailing rod surface Pressing face, decompression Plane can be from medullary nailing rod near-end until medullary nailing rod far-end.Medullary nailing rod near-end is provided with tie down screw fixed Position screw, adapter sleeve locating slot.Intramedullary pin is the first-selected interior fixing of fracture of shaft of femur.It is big that femoral interlocking nail entry point is positioned at femur At the inner side Pyriform sinus of rotor.
Along with popularizing of intramedullary pin so that intramedullary pin is widely used, but intramedullary pin is installed and needs near end of thighbone is expanded marrow, therefore Expanding the particularly important success or failure being related to operation in position of marrow, the now positions instrument accordingly owing to lacking so that procedure efficiency is low, Difficulty is big, wound is big, and then causes a lot of operative failure or the best phenomenon of postoperative rehabilitation to occur repeatedly, is therefore badly in need of one It is easy to expand the instrument of marrow location to reduce the risk of operation.
Summary of the invention
It is an object of the invention to provide a kind of near end of thighbone and expand marrow position finder, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of near end of thighbone expands marrow position finder, including positioning needle, guide pin sleeve, guide pin stock, the second rotating shaft, the 3rd adjusting rod, Kirschner wire sleeve, the first guide pin, sleeve rack, the first turntable, the second turntable, the 3rd turntable and the 4th turntable, institute State positioning needle to be linked in guide pin sleeve;Described guide pin sleeve is linked on guide pin stock, by the fastening being fixed on guide pin stock Bolt is fixed;Guide pin stock is by rotating the first round nut up-down adjustment on support;The afterbody of described support is provided with the 4th rotating shaft, Described 4th rotating shaft and the 3rd turntable interference fit, and make support rotate around the 4th rotating shaft by rotating the 4th adjusting rod;Described 4th turntable is rigidly connected with expansion link;Described expansion link and the first rotating shaft fit, expansion link enters by rotating the second round nut Row is flexible;Described first rotating shaft and the first turntable are interference fit, and make the first rotating shaft rotate by rotating the first adjusting rod, The position of regulation guide pin sleeve;Described first turntable and the second turntable are connected by the second rotating shaft, and its fit system is interference Coordinate, make the second rotating shaft rotate by rotating the second adjusting rod;Described second turntable and the 3rd turntable are by the 3rd rotating shaft even Connect, make the 3rd rotating shaft rotate by rotating the 3rd adjusting rod;Described 3rd turntable and sleeve connection;Described sleeve is linked in On one guide pin, sleeve slides along the first guide pin, and sleeve is axially positioned by locking nut;It is some fixed that described first guide pin is provided with Position groove;Described first guide pin is connected with sleeve rack fit, and sleeve rack slides along the first guide pin;Described sleeve rack passes through clamping screw It is fixed on the locating slot of the first guide pin;Described Kirschner wire sleeve is arranged on sleeve rack left end or right-hand member, described sleeve rack and kirschner Needle sleeve fit connects.
As the further scheme of the present invention: described Kirschner wire sleeve is that matched in clearance is connected with Kirschner wire.
As the present invention further scheme: described first adjusting rod, the second adjusting rod, the 3rd adjusting rod, the 4th adjusting rod And expansion link all can be replaced with step motor drive, and connected by data wire, by computer control or controlled by remote controller.
As the present invention further scheme: described remote controller is provided with handle, vernier knob, selection key and switch, described choosing Select key and select to need the turntable of regulation.
Compared with prior art, the invention has the beneficial effects as follows: make intramedullary pin operation opening become less, it is achieved Minimally Invasive Surgery; Accurate positioning so that surgical effect is more preferably;Simple to operate, it is greatly improved procedure efficiency;Realize remotely operation, it is to avoid Yi Shengshou Radiohazard.
Accompanying drawing explanation
Fig. 1 is the structural representation that near end of thighbone expands marrow position finder.
Fig. 2 is that near end of thighbone expands marrow position finder use view.
Fig. 3 is positioning needle schematic diagram.
Fig. 4 is that guide pin is squeezed near end of thighbone expansion marrow position finder femur schematic diagram.
Fig. 5 is that near end of thighbone expands fixing for the installation of Kirschner wire sleeve schematic diagram in marrow position finder.
Fig. 6 is that near end of thighbone expansion marrow position finder, Kirschner wire squeezes into femur schematic diagram.
Fig. 7 is that near end of thighbone expands position finder installation and debugging schematic diagram in marrow position finder.
Fig. 8 is that near end of thighbone expands positioning needle location schematic diagram in marrow position finder.
Fig. 9 is that near end of thighbone expands guide pin sleeve location schematic diagram in marrow position finder
Figure 10 is that guide pin is squeezed near end of thighbone expansion marrow position finder femur schematic diagram.
Figure 11 is that near end of thighbone expands dismounting position finder schematic diagram in marrow position finder.
Figure 12 is that near end of thighbone expands electric rotary table overall schematic in marrow position finder.
Figure 13 is that near end of thighbone expands marrow position finder medium-long range remote controller overall schematic.
In figure: 1-guide pin sleeve, 2-support, 3-the first round nut, 4-expansion link, 5-the first adjusting rod, 6-the second round nut, 7-the first rotating shaft, 8-the second adjusting rod, 9-the second rotating shaft, 10-the 3rd rotating shaft, 11-the 3rd adjusting rod, 12-sleeve, 13-gram Family name's pin, 14-locking nut, 15-clamping screw, 16-Kirschner wire sleeve, 17-the first guide pin, 18-sleeve rack, 19-the 4th turn Axle, 20-the 4th adjusting rod, 21-femur, 22-the second guide pin, 23-motor, 24-data wire, 25-handle, 26-finely tunes Knob, 27-selects key, and 28-switchs, 29-the first turntable, 30-the second turntable, 31-the 3rd turntable, and 32-the 4th revolves Turntable, 33-guide pin set handle, 34-guide pin sleeve, 35-fastening bolt, 36-positioning needle, 37-electric drill.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the present invention In embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, Broadly fall into the scope of protection of the invention.
Referring to Fig. 1~13, in the embodiment of the present invention, a kind of near end of thighbone expands marrow position finder, including positioning needle 36, guide pin set Cylinder 34, guide pin stock the 1, second rotating shaft the 9, the 3rd adjusting rod 11, Kirschner wire sleeve the 16, first guide pin 17, sleeve rack 18, First turntable the 29, second turntable the 30, the 3rd turntable 31 and the 4th turntable 32, described positioning needle 36 is linked in be led In needle sleeve 34, can conveniently take out;Described guide pin sleeve 34 is linked on guide pin stock 1, can be by being fixed on guide pin stock 1 On fastening bolt 35 fix;Guide pin stock 1 is by rotating the first round nut 3 up-down adjustment on support 2;Described support 2 Afterbody be provided with the 4th rotating shaft 19, described 4th rotating shaft 19 and the 3rd turntable 32 interference fit, and by rotating the 4th regulation Bar 20 makes support 2 rotate around the 4th rotating shaft 19, and then the angle of regulation guide pin stock 1;Described 4th turntable 32 is with flexible Bar 4 is rigidly connected;Described expansion link 4 and the first rotating shaft 7 fit, expansion link 4 stretches by rotating the second round nut 6, Change its length, and then reach to adjust the purpose of position finder;Described first rotating shaft 7 and the first turntable 29 are interference fit, and The first rotating shaft 7 is made to rotate by rotating the first adjusting rod 5, and then the position of regulation guide pin sleeve 1;Described first turntable 29 Being connected by the second rotating shaft 9 with the second turntable 30, its fit system is interference fit, makes the by rotating the second adjusting rod 8 Two rotating shafts 9 rotate, and then the angle of regulation the first turntable 29, and then the angle of regulation guide pin stock 1;Described second rotates Platform 30 is connected by the 3rd rotating shaft 10 with the 3rd turntable 31, and its fit system is interference fit, by rotating the 3rd adjusting rod 11 make the 3rd rotating shaft 10 rotate, and then the angle of regulation the second turntable 30, and then regulate position and the angle of guide pin stock 1; Described 3rd turntable 31 is connected with sleeve 12, and its fit system is interference fit;Described sleeve 12 is linked in the first guide pin On 17, sleeve 12 slides along the first guide pin 17, and sleeve 12 is axially positioned by locking nut 14;Described first guide pin 17 It is provided with some locating slots;Described first guide pin 17 is connected with sleeve rack 18 fit, and sleeve rack 18 slides along the first guide pin 17; Described sleeve rack 18 is fixed on the locating slot of the first guide pin 17 by clamping screw 15;Described Kirschner wire sleeve 16 is arranged on Sleeve rack 18 left end or right-hand member, described sleeve rack 18 is connected with Kirschner wire sleeve 16 fit, described Kirschner wire sleeve 16 with gram Family name's pin 13 connects for matched in clearance;For the ease of operation and reduce the ray injury to health, the adjusting rod of all turntables and stretching Contracting bar all can be replaced with motor 23 and drive, and connected by data wire 24, with computer control or by remote controller control System;Described remote controller is provided with handle 25, vernier knob 26, selects key 27, switch 28, and described selection key 27 can select to need Turntable to be regulated.
Concrete operation step of the present invention is as follows:
(1) on skin, scratch an osculum, the first guide pin 17 is squeezed into femur 21;(as shown in Figure 4)
(2) sleeve rack 18 is installed in place, and locking nut 14 is tightened, and Kirschner wire sleeve 16 is placed on On sleeve rack 18;(as shown in Figure 5)
(3) Kirschner wire 13 is squeezed into femur 21, prevent the first guide pin 17 from rotating;(as shown in Figure 6)
(4) position finder is placed on the first guide pin 17 by sleeve 12, and locking nut 14 is tightened after being adjusted to correct position, Prevent sleeve 12 from sliding axially;(as shown in Figure 7)
(5) by adjustable telescopic rod 4 and the first turntable the 29, second turntable the 30, the 3rd turntable 31 and the 4th turntable 32 guide pin stock 1 is reserved punching position by positioning needle 36 after fixing (this step and can manually implemented can also by computer or Remote controller realizes);(as shown in Figure 8)
(6) guide pin sleeve 34 prolongs positioning needle 36 put down and fit tightly with 21 bursts of faces of femur, tighten that fastening bolt 35 is fixing to be led Needle sleeve 34, takes positioning needle 36 away;(as shown in Figure 9)
(7) the second guide pin 22 is squeezed into femur 21 along guide pin sleeve 34;(as shown in Figure 10)
(8) position finder and other parts are removed, leave behind the second guide pin 22.(as shown in figure 11)
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter from which From the point of view of Dian, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by claims Rather than described above limits, it is intended that all changes fallen in the implication of equivalency and scope of claim are included In the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only comprises one Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will illustrate Book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and formation it will be appreciated by those skilled in the art that Other embodiments.

Claims (4)

1. a near end of thighbone expands marrow position finder, including guide pin stock (1), the second rotating shaft (9), the 3rd adjusting rod (11), Kirschner wire sleeve (16), the first guide pin (17), sleeve rack (18), the first turntable (29), the second turntable (30), the 3rd turntable (31), 4th turntable (32), positioning needle (36) and guide pin sleeve (34), it is characterized in that, described positioning needle (36) is linked in guide pin sleeve (34);Described guide pin sleeve (34) is linked on guide pin stock (1), the fastening bolt (35) being fixed on guide pin stock fix;Guide pin stock (1) is by rotating the first round nut (3) in the upper up-down adjustment of support (2);The afterbody of described support (2) is provided with the 4th rotating shaft (19), described 4th rotating shaft (19) and the 3rd turntable (32) interference fit, and make support (2) rotate around the 4th rotating shaft (19) by rotating the 4th adjusting rod (20);Described 4th turntable (32) is rigidly connected with expansion link (4);Described expansion link (4) and the first rotating shaft (7) fit, expansion link (4) stretches by rotating the second round nut (6);Described first rotating shaft (7) and the first turntable (29) are interference fit, and make the first rotating shaft (7) rotate by rotating the first adjusting rod (5);Described first turntable (29) is connected by the second rotating shaft (9) with the second turntable (30);Described second turntable (30) is connected by the 3rd rotating shaft (10) with the 3rd turntable (31), makes the 3rd rotating shaft (10) rotate by rotating the 3rd adjusting rod (11);Described 3rd turntable (31) is connected with sleeve (12);Described sleeve (12) is linked on the first guide pin (17), and sleeve (12) slides along the first guide pin (17), and sleeve (12) is axially positioned by locking nut (14);Described first guide pin (17) is provided with some locating slots;Described first guide pin (17) is connected with sleeve rack (18) fit, and sleeve rack (18) slides along the first guide pin (17);Described sleeve rack (18) is fixed on the locating slot of the first guide pin (17) by clamping screw (15);Described Kirschner wire sleeve (16) is arranged on sleeve rack (18) left end or right-hand member, and described sleeve rack (18) is connected with Kirschner wire sleeve (16) fit.
Near end of thighbone the most according to claim 1 expands marrow position finder, it is characterised in that described Kirschner wire sleeve (16) is that matched in clearance is connected with Kirschner wire (13).
Near end of thighbone the most according to claim 1 expands marrow position finder, it is characterized in that, described first adjusting rod (5), the second adjusting rod (8), the 3rd adjusting rod (11), the 4th adjusting rod (20) and expansion link (4) all can be replaced with motor (23) and drive, and connected by data wire (24), by computer control or controlled by remote controller.
Near end of thighbone the most according to claim 3 expands marrow position finder, it is characterized in that, described remote controller is provided with handle (25), vernier knob (26), selects key (27) and switch (28), and described selection key (27) selects to need the turntable of regulation.
CN201620308545.3U 2016-04-13 2016-04-13 Thighbone near -end expands marrow locater Expired - Fee Related CN205597996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620308545.3U CN205597996U (en) 2016-04-13 2016-04-13 Thighbone near -end expands marrow locater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620308545.3U CN205597996U (en) 2016-04-13 2016-04-13 Thighbone near -end expands marrow locater

Publications (1)

Publication Number Publication Date
CN205597996U true CN205597996U (en) 2016-09-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108938069A (en) * 2018-05-29 2018-12-07 陈金凤 A kind of therapeutic device of fracture of neck of femur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108938069A (en) * 2018-05-29 2018-12-07 陈金凤 A kind of therapeutic device of fracture of neck of femur
CN108938069B (en) * 2018-05-29 2020-07-03 瑞安市佰益医疗器械有限公司 Treatment device for femoral neck fracture

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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: 20160928

Termination date: 20180413

CF01 Termination of patent right due to non-payment of annual fee