CN211796716U - Accurate positioning open-circuit cone device - Google Patents
Accurate positioning open-circuit cone device Download PDFInfo
- Publication number
- CN211796716U CN211796716U CN202020144515.XU CN202020144515U CN211796716U CN 211796716 U CN211796716 U CN 211796716U CN 202020144515 U CN202020144515 U CN 202020144515U CN 211796716 U CN211796716 U CN 211796716U
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- Prior art keywords
- angle controller
- inner cavity
- open
- circuit
- cone
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- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000008054 signal transmission Effects 0.000 claims abstract description 6
- 210000000078 claw Anatomy 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000399 orthopedic effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000004224 pleura Anatomy 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000002978 thoracic duct Anatomy 0.000 description 1
- 210000002385 vertebral artery Anatomy 0.000 description 1
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Abstract
The utility model discloses an accurate positioning open-circuit cone device, which comprises an open-circuit cone rod and a cone head, wherein the rear part of the open-circuit cone rod is provided with a handheld handle, the handheld handle is internally provided with a holding inner cavity and an angle controller, the handheld handle is provided with a rear cover body, the cavity wall of the holding inner cavity is provided with a positioning column, and the inner wall of the holding inner cavity is also provided with an elastic clamping jaw capable of clamping the angle controller; the angle controller comprises a shell, a power supply is arranged in the shell, a microprocessor, a double-shaft tilt sensor, a laser range finder and a display screen are further arranged in the shell and are respectively electrically connected with the power supply, the double-shaft tilt sensor is electrically connected with the microprocessor through an arrangement detection circuit, and the display screen of the laser range finder is respectively electrically connected with the microprocessor through a signal transmission circuit. The utility model discloses can accurate demonstration advance the direction and the distance of nail to help doctor real time control open a way the entering direction of awl with get into the distance, guarantee putting the nail rate of accuracy in the follow-up operation.
Description
Technical Field
The utility model relates to an accurate positioning way awl device of opening.
Background
The pedicle screw fixing technology is widely applied to orthopedic spine deformity correction surgery, but once nail placement deviation occurs, the consequence is very serious because the pedicle is adjacent to important tissues such as spinal cord, nerve root, esophagus, left atrium, blood vessel, pleura, lung, thoracic duct and the like. Especially for patients with spinal deformity, the shape of the pedicle and the adjacent tissues are changed significantly on the anatomical structure due to the deformity of the spinal structure, and the pedicle of each vertebral body on the concave-convex side is different, so that the risk of conventional transpedicular nail placement is very high.
At present, most orthopedic doctors in China adopt a pedicle screw inserting method under intraoperative perspective guidance, an open-circuit cone is used for opening a hole under the perspective guidance, then a pedicle screw is implanted, the existing open-circuit cone comprises a cone rod and a cone head, a spherical handle is fixedly connected to the rear part of the cone rod, a doctor holds the handle by hand and manually opens the hole, but the method has strong dependence on clinical experience of the doctor, large uncontrollable factors and serious deformation of the pedicle of a patient, and whether the position of the screw is proper or not is difficult to determine by means of the perspective alone. And some developed countries abroad begin to adopt computer-aided navigation pedicle screw implantation, and the screw implantation accuracy can reach 95%. However, the system is expensive in equipment, complex in operation and difficult to popularize on a large scale, and factors such as registration errors and intraoperative body position changes also influence the accuracy of navigation.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an accurate positioning way awl device, with this accurate positioning way awl device can accurate display advance the direction and the distance of nail to help doctor real time control open the way awl get into the direction and get into the distance, guarantee the nail rate of accuracy of putting in the follow-up operation.
In order to solve the technical problem, the provided accurate positioning open-circuit cone device comprises an open-circuit cone rod and a cone head arranged at the front end part of the open-circuit cone rod, wherein a handheld handle is arranged at the rear part of the open-circuit cone rod, and the accurate positioning open-circuit cone device is characterized in that: the handheld handle is internally provided with an accommodating inner cavity and an angle controller arranged in the accommodating inner cavity, the handheld handle is provided with a rear cover body for opening and closing the accommodating inner cavity, the cavity wall of the accommodating inner cavity is provided with a positioning column for positioning the peripheral surface of the angle controller, and the inner wall of the accommodating inner cavity is also provided with an elastic clamping jaw capable of clamping the angle controller;
the angle controller comprises a shell, a power supply is arranged in the shell, a microprocessor, a double-shaft tilt sensor, a laser range finder and a display screen are further arranged in the shell and are respectively electrically connected with the power supply, the double-shaft tilt sensor is electrically connected with the microprocessor through an arrangement detection circuit, and the display screen of the laser range finder is respectively electrically connected with the microprocessor through a signal transmission circuit.
The arrangement detection circuit comprises a filter, a voltage follower, a voltage divider, an operational amplifier and an A/D converter which are sequentially connected through a line.
The elastic claw comprises an elastic arm condensed on the inner wall of the accommodating inner cavity, a claw head is arranged at the extending end of the elastic arm, the outer side surface of the claw head is an inclined surface which gradually increases from outside to inside, and the inner side surface of the claw head is a straight surface which can clamp the outer side surface of the angle controller.
And a transparent cover body arranged corresponding to the display screen of the angle controller is arranged on the handheld handle.
The conical head comprises a conical head part integrally formed with the open-circuit conical rod, the conical head part is arranged in a flat shape and gradually becomes thick from front to back, and the front end part of the conical head part is provided with a circular arc-shaped open conical surface.
Laser range finder includes the distancer casing, is equipped with signal processor, semiconductor laser, transmission lens, receiving lens and CCD sensor in the distancer casing, and laser emits from semiconductor laser and meets after the transmission lens meets the health skin reflection, transmits into signal processor behind receiving lens and the CCD sensor.
The outer shell is internally provided with a wireless signal transmitter which is electrically connected with the microprocessor, the accurate positioning open-circuit cone device further comprises an upper computer, and the upper computer is provided with a wireless receiver which is connected with the wireless signal transmitter through a signal transmission device.
To sum up, the utility model discloses can accurate display advance the direction and the distance of nail to help doctor real time control open a way awl get into the direction and get into the distance, guarantee follow-up in the operation put the nail rate of accuracy.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of a cross-sectional view of a cervical spine;
FIG. 2 is a schematic view of the right side view of FIG. 1;
fig. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a schematic view of the structure of the direction B in FIG. 4;
FIG. 6 is a schematic structural diagram of an angle controller in the embodiment of FIG. 3;
FIG. 7 is a schematic diagram of the electrical components of the angle controller of FIG. 3;
fig. 8 is a schematic structural diagram of the laser range finder in the embodiment of fig. 3.
Detailed Description
Referring to the attached drawings 1 and 2, in the prior art, the pedicle screw implantation operation is performed through the posterior approach, the operation field is small, the operation effect can be ensured only by accurately entering from the H line in the drawing, the double-arrow line in the drawing indicates the possible angle deviation in the screw feeding direction, in case of the angle deviation, the operation failure is easily caused, and even the vertebral artery or vertebral canal of a patient is damaged, a doctor clearly understands the screw feeding position through a perspective view, but the screw feeding direction (the direction of the H line) and the screw feeding distance are difficult to accurately grasp, so the operation difficulty is large, the operation time is long, the requirements on the professional technology of the doctor are high, and the medical accidents are easily caused.
Referring to fig. 3, the utility model provides an embodiment of accurate positioning way awl device, it can provide the accuracy of advancing the nail direction and advancing the nail distance in real time, provides real-time information for the doctor's operation, greatly reduced the operation degree of difficulty. The device comprises an open-circuit conical rod 1 and a conical head 2 arranged at the front end part of the open-circuit conical rod, and as shown in a combined figure 4 and a figure 5, the cone head 2 comprises a cone head part which is integrally formed with the open-circuit cone rod 1, the cone head part is arranged in a flat shape and gradually becomes thicker from front to back, the front end part of the cone head part is provided with an arc-shaped open cone surface, the cone head adopting the structure, the tapping effect can be ensured, the rear part of the open-circuit conical rod is provided with a handheld handle 3, an accommodating inner cavity 31 and an angle controller arranged in the accommodating inner cavity are arranged in the handheld handle 3, the meaning of the angle controller is that, the angle control of the two-dimensional direction and the control of the nail feeding distance can be controlled, a rear cover body 4 for opening and closing the containing inner cavity is arranged on the handheld handle 3, a positioning column 5 for positioning the four peripheral surfaces of the angle controller is arranged on the cavity wall of the containing inner cavity, and an elastic clamping claw 6 capable of clamping the angle controller is further arranged on the inner wall of the containing inner cavity. Because the whole open-circuit cone needs to be regularly subjected to high-temperature disinfection treatment at regular time, the rear cover body 4 is an openable flip cover, such as a structure of a mobile phone battery shell, the angle controller can be removed by opening the shell, so that the high-temperature disinfection treatment is performed on the angle controller, after the treatment is completed, the angle controller can be installed again, and the angle controller is accurately positioned through the elastic clamping jaws and the positioning columns 5, so that the problem that the angle controller shakes is prevented from affecting a detection result. In this embodiment, the elasticity jack catch is including condensing the elastic arm on the inner wall of holding inner chamber, the overhanging end of elastic arm is equipped with the jack catch head, the outside surface of jack catch head is the inclined plane of grow gradually from the extroversion in, the straight face of inside surface for blocking the outside surface of angle controller, open foretell back lid, when whole square angle controller is pushed in from the extroversion in, angle controller touches above-mentioned inclined plane earlier, make two relative jack catch heads open, angle controller gets into the back, under the effect of elastic arm, two jack catch heads draw close and its straight face presses the outside of angle controller, thereby firmly clamp the angle controller.
Referring to fig. 3 and 6, the angle controller includes a housing, a power supply 20 is installed in the housing, a microprocessor 7, a dual-axis tilt sensor 8, a laser range finder 9 and a display screen 10 which are respectively electrically connected with the power supply are also installed in the housing, the dual-axis tilt sensor 8 is electrically connected with the microprocessor through a sorting detection circuit, and the display screen 10 of the laser range finder is electrically connected with the microprocessor through a signal transmission circuit. Referring to fig. 7, the sorting detection circuit includes a filter 11, a voltage follower 12, a voltage divider 13, an operational amplifier 14 and an a/D converter 15, which are connected in sequence through lines, and it is specifically illustrated that the model of the dual-axis tilt sensor in this embodiment is ADXL202, and those skilled in the art are aware of the above-mentioned various electrical components and the connection structure of the various electrical components, and the whole control process and principle thereof will not be described in detail herein.
Referring to fig. 3, the transparent cover 16 corresponding to the display screen of the angle controller is mounted on the handle 3, so that the operator can see the entering angle and displacement of the open-road cone in real time, thereby ensuring the operation effect.
Referring to fig. 7 and 8, the laser range finder 9 comprises a range finder housing, in which a signal processor 91, a semiconductor laser 92, a transmission lens 93, a receiving lens 94 and a CCD sensor 95 are mounted, that is, the semiconductor laser is focused on the skin surface of a patient by the transmission lens, and the semiconductor laser is reflected and collected by the receiving lens and projected onto the CCD sensor; the signal processor calculates the position of a light spot on the CCD sensor through a trigonometric function to obtain a first distance reaching the skin surface of a patient, when the open-circuit cone enters a certain distance, the actions are repeated to obtain a second distance, the difference value between the first distance and the second distance is the entering distance of the open-circuit cone, namely the nail entering depth, and the signal processor can calculate the distance. The laser is emitted from the semiconductor laser, passes through the transmission lens, is reflected by the skin of the body, passes through the receiving lens and the CCD sensor, and is transmitted into the signal processor.
Referring to fig. 7, a wireless signal transmitter electrically connected with the microprocessor 7 is further installed in the outer shell, the accurate positioning open-circuit cone device further comprises an upper computer 16, the upper computer can be a mobile phone or a computer on a console, and corresponding control software or app can be installed, so that real-time operation of a doctor can be seen, and a surgical effect can be guaranteed.
The utility model discloses can also have other embodiments, other technical scheme that form in the record of claim no longer carry out the repeated description one by one, the utility model discloses do not receive the restriction of above-mentioned embodiment, based on the equivalent change and the part replacement of above-mentioned embodiment are all in the utility model discloses a protection within range.
Claims (7)
1. The utility model provides an accurate positioning awl device that opens a way, bores awl pole (1) and sets up awl head (2) at the awl pole front end portion of opening a way including opening a way, and the rear portion of awl pole of opening a way is equipped with handheld handle (3), characterized by: the handheld handle (3) is internally provided with an accommodating inner cavity (31) and an angle controller arranged in the accommodating inner cavity, the handheld handle (3) is provided with a rear cover body (4) for opening and closing the accommodating inner cavity, the cavity wall of the accommodating inner cavity is provided with positioning columns (5) for positioning the four peripheral surfaces of the angle controller, and the inner wall of the accommodating inner cavity is also provided with an elastic clamping jaw (6) capable of clamping the angle controller;
the angle controller comprises a shell, wherein a power supply (20) is arranged in the shell, a microprocessor (7), a double-shaft inclination angle sensor (8), a laser range finder (9) and a display screen (10) which are respectively electrically connected with the power supply are further arranged in the shell, the double-shaft inclination angle sensor (8) is electrically connected with the microprocessor through an arrangement detection circuit, and the display screen (10) of the laser range finder is electrically connected with the microprocessor through a signal transmission circuit.
2. The device of claim 1, wherein: the sorting detection circuit comprises a filter (11), a voltage follower (12), a voltage divider (13), an operational amplifier (14) and an A/D converter (15) which are sequentially connected through lines.
3. The device of claim 1, wherein: the elastic claw comprises an elastic arm condensed on the inner wall of the accommodating inner cavity, a claw head is arranged at the extending end of the elastic arm, the outer side surface of the claw head is an inclined surface which gradually increases from outside to inside, and the inner side surface of the claw head is a straight surface which can clamp the outer side surface of the angle controller.
4. The device of any one of claims 1-3, wherein: and a transparent cover body (16) which is arranged corresponding to the display screen of the angle controller is arranged on the hand-held handle (3).
5. The device of any one of claims 1-3, wherein: the cone head (2) comprises a cone head part integrally formed with the open-circuit cone rod (1), the cone head part is flat and gradually becomes thick from front to back, and the front end part of the cone head part is provided with a circular arc-shaped open cone surface.
6. The device of any one of claims 1-3, wherein: laser range finder (9) are equipped with signal processor, semiconductor laser, transmission lens, receiving lens and CCD sensor including the distancer casing in the distancer casing, and laser emits from semiconductor laser and meets the health skin after the transmission lens after reflection, transmits into signal processor behind receiving lens and the CCD sensor.
7. The device of any one of claims 1-3, wherein: still be equipped with the wireless signal transmitter of being connected with microprocessor (7) electricity in the shell, accurate positioning open circuit awl device still includes the host computer, is equipped with the wireless receiver who is connected through signal transmission device and wireless signal transmitter on the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144515.XU CN211796716U (en) | 2020-01-22 | 2020-01-22 | Accurate positioning open-circuit cone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144515.XU CN211796716U (en) | 2020-01-22 | 2020-01-22 | Accurate positioning open-circuit cone device |
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| Publication Number | Publication Date |
|---|---|
| CN211796716U true CN211796716U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020144515.XU Expired - Fee Related CN211796716U (en) | 2020-01-22 | 2020-01-22 | Accurate positioning open-circuit cone device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211796716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110315A (en) * | 2020-01-22 | 2020-05-08 | 庄青山 | Accurate positioning open-circuit cone device |
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2020
- 2020-01-22 CN CN202020144515.XU patent/CN211796716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110315A (en) * | 2020-01-22 | 2020-05-08 | 庄青山 | Accurate positioning open-circuit cone device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220122 |