CN102151161A - Cutting navigator of femoral cavity medullary cavity file - Google Patents
Cutting navigator of femoral cavity medullary cavity file Download PDFInfo
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- CN102151161A CN102151161A CN 201110054217 CN201110054217A CN102151161A CN 102151161 A CN102151161 A CN 102151161A CN 201110054217 CN201110054217 CN 201110054217 CN 201110054217 A CN201110054217 A CN 201110054217A CN 102151161 A CN102151161 A CN 102151161A
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- femoral
- cavity
- navigator
- cutting
- file
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Abstract
The invention provides a cutting navigator of a femoral cavity medullary cavity file. The navigator comprises an image acquisition unit, a central control unit (4), a display unit (5) and a button keyboard (6). The navigator is characterized by further comprising a probe stick, wherein the central control unit (4) is respectively connected with the image acquisition unit, the display unit (5) and the button keyboard (6); and the image acquisition unit comprises a fixing bracket (1) and at least two of cameras, and the fixing bracket (1) comprises a semicircular bracket for putting the cameras. The navigator can be used for displaying a cutting reference guide way of the medullary cavity file to help the operating doctor to ensure the position and direction of the guide way for the medullary cavity file to cut the cancellous bone of the femoral cavity, so that the hip joint femoral handle prosthesis can be successfully implanted for once, and the matching degree between the custom-made femoral handle prosthesis and the medullary cavity of the patient can be guaranteed.
Description
Technical field
The present invention relates to a kind of operation navigation device, in particular in the orthopaedics hip replacement surgery to the cutting navigator of patient's femoral cavity.
Background technology
In human hip replacement operation process, need to adopt pulp cavity file excision near end of thighbone part spongy bone so that implant the femoral hip stem prosthese.Have many hip replacement surgeries to adopt customization type type femoral bone end prosthesis at present, require the closely connected as much as possible coupling of femoral hip stem prosthese and patient's femoral cavity, it is suitable that this just requires the cutting of patient's femoral cavity spongy bone.At present, in the hip replacement surgery process, operative doctor is determined the cutting guide passage of pulp cavity file fully by rule of thumb.Yet even if experienced operative doctor, the pulp cavity that also can occur selecting sometimes file cutting guide passage is incorrect, and appearance can't be implanted the situation of femoral hip stem prosthese, sometimes even cause patient's femur bone splits phenomenon.By cutting femoral cavity ability implanting prosthetic again, this just occurs too much machining away the situation of patient's femoral cavity spongy bone inevitably, at this moment matching degree greatly reduces between near end of thighbone pulp cavity and the femoral hip stem prosthese, influence of the conduction of human hip place power to femur, increase the loosening in early days risk of type femoral bone end prosthesis simultaneously, be unfavorable for the rehabilitation of patient's postoperative.In addition,, need take the X-ray sheet, cause further radiation on the one hand, increase operating time on the other hand the patient to the patient in order to know femoral hip stem prosthese stuck situation in patient's femoral cavity.
Summary of the invention
The object of the present invention is to provide a kind of operation navigation device of definite pulp cavity file cutting patient femoral cavity operation guide passage, the assisting operation doctor determines pulp cavity file cutting guide passage, make the disposable implantation success of femoral hip stem prosthese, guarantee the matching degree of customization type type femoral bone end prosthesis and patient's pulp cavity.
The technical scheme of femoral cavity pulp cavity file cutting navigator of the present invention is: a kind of femoral cavity pulp cavity file cutting navigator, comprise image acquisition units, central control unit, display unit, button keyboard and probe, this central control unit are connected with image acquisition units, display unit and button keyboard respectively; Image acquisition units comprises fixed mount and more than two cameras, and this fixed mount comprises the semi-circular support of placing photographic head, and the angle between the photographic head can be regulated between 0～180 degree.
Beneficial effect of the present invention is: the CPU of femoral cavity pulp cavity file cutting navigator is analyzed the data of image acquisition units collection, simulation and the pulp cavity file that demonstrates on real unit cut with reference to guide passage, can guarantee implantation success of type femoral bone end prosthesis by this method, guarantee the matching degree of customization type artificial hip joint femoral shaft prosthese and patient's femoral cavity.
Description of drawings
Fig. 1 is femoral cavity pulp cavity file cutting navigator structural representation
Fig. 2 is the pulp chamber bur structural representation
Wherein, 1-fixed mount, 2-first photographic head, 3-second photographic head, 4-central control unit, 5-display, 6-button keyboard, 8-on and off switch, 9-pulp chamber bur shell, 10-drilling rod.
The specific embodiment
Structure of the present invention as shown in Figure 1, this device mainly comprises: fixed mount 1, first photographic head 2, second photographic head 3, central control unit 4, display unit 5, button keyboard 6 and an adnexa probe are formed.Fixed mount 1 is fixed on the operating-table, and fixedly on the fixed mount 1, angle can be adjusted between 0～180 degree between the two for first photographic head 2 and second photographic head 3, in order to gathering the operative region image, and image information is transferred to central control unit 4; Central control unit 4 receives the operational order and first photographic head 2 and 3 transmission of second photographic head and comes picture signal, command request according to button keyboard 6 inputs is handled image information, determine the cutting of pulp cavity file with reference to guide passage, and the image of pulp cavity file cutting with reference to guide passage and current operative region shown by display unit 5; Display unit 5 receives and shows the information that central control unit 4 transmits, and demonstrates the image of pulp cavity file cutting with reference to guide passage and operative region, for the operative doctor reference; Button keyboard 6 is used to send operational order; The adnexa probe is a pole, and after operation on hip joint was clipped patient's neck of femur and exposed femoral bone cavitas medullaris, patient's femoral cavity was inserted in examination, and the cutting of pulp cavity file will build according to probe with reference to guide passage.
Work process of the present invention is: before hip replacement surgery, start femoral cavity pulp cavity file cutting navigator system, at this moment display unit 5 only shows the operative region image information, when the operation on hip joint osteotomy is finished, after exposing patient's femoral cavity, visible place nails on three index points at patient's femoral greater trochanter, the adnexa probe is inserted in patient's femoral cavity, by the button on the button click keyboard 6, what display unit 5 showed is provided with the cutting of pulp cavity file with reference to the guide passage programs menu, central control unit 4 receives the pulp cavity file that is provided with that transmits on the button keyboard 6 and cuts with reference to after the guide passage instruction, sends instruction and gives display unit 5, and display unit 5 demonstrates operation indicating, according to operation indicating input probe diameter, with reference to guide passage diameter (pulp cavity file injection-drawing out device diameter is with reference to the guide passage diameter), after finishing, enter next step; Selection is with reference to the guide passage display mode, and display mode has two kinds: a kind of loop wire shape, and a kind of transparent column shape after finishing, enters next step; Determine three index point positions, after finishing, enter next step; Confirm probe, the probe picture signal that central control unit 4 will transmit according to photographic head and the probe diameter of setting, simulate a cylindrical and probe image identical and carry out image registration with probe diameter, determine the centrage of probe, simulate with reference to the cutting guide passage according to the probe centrage again, with reference to cutting guide passage centrage and probe central lines, and will connect with reference to cutting guide passage and index point, like this when patient's femur position changes, to change with the femur change in location with reference to the cutting guide passage, click with reference to the setting of cutting guide passage and finish knob, take out probe, will demonstrate on the operative region image that display demonstrates with reference to the cutting guide passage.Operative doctor will be according to determine pulp cavity file cutting guide passage with reference to the cutting guide passage, make the actual guide passage of pulp cavity file cutting patient's femoral cavity spongy bone consistent with the reference guide passage as far as possible, so just can guarantee implantation success of type femoral bone end prosthesis, and guarantee the matching degree of customization type artificial hip joint femoral shaft prosthese and patient's femoral cavity.
As further improvement of this embodiment, as shown in Figure 2, the drilling rod 10 of pulp chamber bur replaces the adnexa probe to make up the cutting of pulp cavity file with reference to guide passage, and pulp chamber bur comprises on and off switch 8 and pulp chamber bur shell 9.When the operation on hip joint osteotomy is finished, expose patient's femoral cavity, after the visible place of patient's femoral greater trochanter nails on index point, with pulp chamber bur patient's femoral cavity being expanded marrow handles, after expanding marrow, begin to be provided with the cutting of pulp cavity file with reference to guide passage, because the drilling rod 10 of pulp chamber bur is the right cylinder bar, cutting is determined according to the pulp chamber bur drilling rod with reference to guide passage, and cutting is with reference to guide passage centrage and pulp chamber bur drilling rod central lines.
Claims (4)
1. a femoral cavity pulp cavity file cutting navigator comprises image acquisition units, central control unit (4), display unit (5), button keyboard (6); It is characterized in that: also comprise probe, described central control unit (4) is connected with image acquisition units, display unit (5) and button keyboard (6) respectively; Described image acquisition units comprises fixed mount (1) and more than two cameras, and described fixed mount (1) comprises the semi-circular support of placing photographic head.
2. a kind of femoral cavity pulp cavity file cutting navigator according to claim 1, it is characterized in that: the angle between the photographic head is between 0～180 degree.
3. a kind of femoral cavity pulp cavity file cutting navigator according to claim 1 and 2, it is characterized in that: the angle between the photographic head can be regulated.
4. a kind of femoral cavity pulp cavity file cutting navigator according to claim 1 and 2, it is characterized in that: described probe is the drilling rod (10) of pulp chamber bur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110054217 CN102151161B (en) | 2011-03-08 | 2011-03-08 | Cutting navigator of femoral myelocavity file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110054217 CN102151161B (en) | 2011-03-08 | 2011-03-08 | Cutting navigator of femoral myelocavity file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102151161A true CN102151161A (en) | 2011-08-17 |
| CN102151161B CN102151161B (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110054217 Expired - Fee Related CN102151161B (en) | 2011-03-08 | 2011-03-08 | Cutting navigator of femoral myelocavity file |
Country Status (1)
| Country | Link |
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| CN (1) | CN102151161B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300905A (en) * | 2013-06-21 | 2013-09-18 | 江苏大学 | Distal and proximal positioning combined probe for selecting cutting guide of marrow cavity file |
| CN103654911A (en) * | 2013-12-11 | 2014-03-26 | 中国科学院深圳先进技术研究院 | Method and device for controlling robot for surgical grinding |
| CN111227995A (en) * | 2020-03-19 | 2020-06-05 | 闫新峰 | Femoral head prosthesis component |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672957A (en) * | 1983-10-04 | 1987-06-16 | South African Inventions Development Corporation | Surgical device |
| CN101224104A (en) * | 2007-01-15 | 2008-07-23 | 杭州市萧山区中医院 | Orthopaedics operation navigation system |
-
2011
- 2011-03-08 CN CN 201110054217 patent/CN102151161B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672957A (en) * | 1983-10-04 | 1987-06-16 | South African Inventions Development Corporation | Surgical device |
| CN101224104A (en) * | 2007-01-15 | 2008-07-23 | 杭州市萧山区中医院 | Orthopaedics operation navigation system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300905A (en) * | 2013-06-21 | 2013-09-18 | 江苏大学 | Distal and proximal positioning combined probe for selecting cutting guide of marrow cavity file |
| CN103654911A (en) * | 2013-12-11 | 2014-03-26 | 中国科学院深圳先进技术研究院 | Method and device for controlling robot for surgical grinding |
| CN103654911B (en) * | 2013-12-11 | 2015-12-30 | 中国科学院深圳先进技术研究院 | A kind of control method of the robot for grinding of performing the operation and device |
| CN111227995A (en) * | 2020-03-19 | 2020-06-05 | 闫新峰 | Femoral head prosthesis component |
| CN111227995B (en) * | 2020-03-19 | 2022-02-15 | 闫新峰 | Femoral head prosthesis component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102151161B (en) | 2013-03-13 |
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Granted publication date: 20130313 Termination date: 20160308 |
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