CN112515753A - Femoral intramedullary resetting device - Google Patents
Femoral intramedullary resetting device Download PDFInfo
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- CN112515753A CN112515753A CN202011387353.3A CN202011387353A CN112515753A CN 112515753 A CN112515753 A CN 112515753A CN 202011387353 A CN202011387353 A CN 202011387353A CN 112515753 A CN112515753 A CN 112515753A
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- intramedullary
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
- A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
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- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a femoral intramedullary restoration device, which comprises: the intramedullary reduction device comprises a distal end and a proximal end, the distal end of the intramedullary reduction device extends into the cavity of the femur bone marrow, and the ultrasonic probe is arranged at the distal end of the intramedullary reduction device and is used for imaging the femur fracture end. According to the femoral intramedullary reduction device provided by the embodiment of the invention, the ultrasonic probe is arranged at the far end of the reduction device, and the femoral intramedullary reduction device can realize real-time monitoring of femoral surgery by adopting a mode of imaging the ultrasonic probe. Meanwhile, compared with a C-arm machine imaging mode, the femoral intramedullary resetting device provided by the embodiment of the invention has stronger real-time performance and avoids the radiation hazard. In addition, due to interference of various tissues in the bone on images, the optical imaging of the C-arm machine is not easy to penetrate, and an ultrasonic signal can penetrate, so that the identification of the femoral intramedullary resetting device is stronger.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a femoral intramedullary resetting device.
Background
Femoral shaft fracture is a common fracture, accounts for about 5% of the total fracture, is commonly seen in young and middle-aged people, and is caused by tumble, high fall and the like. The femoral shaft is the longest and strongest bone of the human body, so the femoral shaft has important functions on the walking, standing and labor productivity of the human body, and the effective femoral shaft fracture treatment has great significance on reducing the disability rate.
The method for treating femoral shaft fracture by adopting operation has various methods, the selection of the treatment method can be influenced by the position and type of fracture, the crushing degree of fracture, the age of patient, the social and economic requirements of patient and the like, wherein, the femoral shaft fracture treated by fixing the inside of the incised reduction steel plate is used as the traditional operation method for decades, the incised reduction steel plate can be used for reduction and fixation of fracture under direct vision, the fracture shortening and rotation deformity can be corrected, the compression between fracture blocks and the fixation of steel plate screws can obtain very firm fixation, the early movement can be allowed, the good function can be obtained, and the operation is convenient without needing a heavy fracture traction bed or X-ray perspective equipment like a femur closed nail. However, in the steel plate fixation, the soft tissues around the fracture need to be cut in a large range, the surgical bleeding is more, even blood transfusion is needed, hematoma and blood clot at the fracture end are removed in the operation, particularly, periosteum which needs to be widely stripped at the fracture end and the fracture block is easy to reset, the blood supply around the fracture and the crushed bone block is damaged, growth factors which are beneficial to fracture healing in the original hematoma of the fracture are removed, and the growth factors are eccentrically fixed outside the marrow, so the surgical complications such as scar hyperplasia, infection, delayed bone healing, bone nonunion, internal fixation failure and even steel plate fracture often occur after the operation, and the femoral shaft is easy to fracture after the internal articles are taken due to the stress shielding effect of the steel plate.
At present, the internal fixation of the closed reduction interlocking intramedullary nail is considered as a technology widely applied to clinical practice at present, the fixation of the fracture of the femoral shaft is in a central axial fixation mode, the conduction of the fracture to the skeleton mechanics after the fracture fixation is in a stress dispersion mode, the interference to the biomechanics of limbs is small, the shortening and the rotary displacement of the fracture end can be effectively prevented after a locking nail is implanted at the far end and the near end, the fixation stability is strong, the affected limb can perform joint active function exercise and partial load bearing in early stage, the fracture healing is fast, the internal fixation failure rate is low, and therefore, the closed reduction interlocking intramedullary nail treatment is advocated as a preferred method for the fracture of the femoral shaft by many international trauma centers. When closed reduction interlocking intramedullary nail therapy is adopted, the position of a restorer needs to be determined in real time, the distal part of the femoral shaft fracture is aligned with the proximal part, currently, a C-arm fluoroscopy machine is mostly adopted for confirmation of femoral shaft fracture end reduction, however, the C-arm fluoroscopy machine is inconvenient to operate and can bring radiation hazard.
Disclosure of Invention
In view of this, an embodiment of the present invention provides a femoral intramedullary reduction device, so as to solve the technical problems in the prior art that a C-arm fluoroscopy machine is used for performing a femoral reduction operation, which is inconvenient and causes radiation hazard.
The technical scheme provided by the invention is as follows:
the embodiment of the invention provides a femoral intramedullary reduction device, which comprises: the intramedullary reduction device comprises a distal end and a proximal end, the distal end of the intramedullary reduction device extends into the cavity of the femur bone marrow, and the ultrasonic probe is arranged at the distal end of the intramedullary reduction device and is used for imaging the femur fracture end.
Optionally, the femoral intramedullary reduction device further comprises: an access device, the intramedullary reduction device comprises a reduction rod, the access device is used for opening the femoral medullary cavity, and the reduction rod is inserted into the femoral medullary cavity through the lumen of the access device.
Optionally, the femoral intramedullary reduction device further comprises: the ultrasonic imaging host comprises an image processor and a display, wherein the image processor is connected with the ultrasonic probe and is used for receiving and processing signals transmitted by the ultrasonic probe; the display is connected with the image processor and used for receiving and displaying the information processed by the image processor.
Optionally, the ultrasound probe is installed at a distal end of the intramedullary reduction instrument, the intramedullary reduction instrument includes a working channel for inserting a guide pin and a circuit channel for setting a transmission signal line of the ultrasound probe.
Optionally, the intramedullary restorer comprises a working channel for insertion of a guide pin, the ultrasound probe extending through the working channel into a distal end of the intramedullary restorer.
Optionally, the femoral intramedullary reduction device further comprises: a handle structure coupled to the proximal end of the intramedullary reducer for operating the intramedullary reducer.
Optionally, the proximal end of the intramedullary restorer comprises an ultrasonic signal connecting terminal, the transmission signal line of the ultrasonic probe is connected with the ultrasonic signal connecting terminal, and the ultrasonic signal connecting terminal is electrically connected with the handheld structure.
Optionally, a rotary positioning sensor is disposed on the reset rod, and the rotary positioning sensor is configured to detect a position of the ultrasonic probe.
Optionally, an angle sensor is arranged on the road-side entry device, and the angle sensor is used for detecting the position of the reset rod.
Optionally, the ultrasound probe comprises: any one of a single-array-element ultrasonic probe, an array probe and an area array probe.
The technical scheme of the invention has the following advantages:
according to the femoral intramedullary reduction device provided by the embodiment of the invention, the ultrasonic probe is arranged at the far end of the reduction device, and the femoral intramedullary reduction device can realize real-time monitoring of femoral surgery by adopting a mode of imaging the ultrasonic probe. Meanwhile, compared with a C-arm machine imaging mode, the femoral intramedullary resetting device provided by the embodiment of the invention has stronger real-time performance and avoids the radiation hazard. In addition, due to interference of various tissues in the bone on images, the optical imaging of the C-arm machine is not easy to penetrate, and an ultrasonic signal can penetrate, so that the identification of the femoral intramedullary resetting device is stronger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a femoral intramedullary reduction device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a femoral intramedullary reduction device in accordance with another embodiment of the present invention;
FIG. 3 is a block diagram of a femoral intramedullary reduction device in accordance with another embodiment of the present invention;
FIG. 4 is a block diagram of a femoral intramedullary reduction device in accordance with another embodiment of the present invention;
fig. 5 is a block diagram of a femoral intramedullary reduction device in accordance with another embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
An embodiment of the present invention provides a femoral intramedullary reduction device, as shown in fig. 1, the reduction device including: the intramedullary reduction device comprises an intramedullary reduction device 1 and an ultrasonic probe 2, wherein the intramedullary reduction device 1 comprises a far end and a near end, the far end of the intramedullary reduction device 1 is inserted into the cavity of a femoral bone marrow, and the ultrasonic probe 2 is arranged at the far end of the intramedullary reduction device 1 and is used for imaging the fractured end of the femoral bone.
According to the femoral intramedullary reduction device provided by the embodiment of the invention, the ultrasonic probe is arranged at the far end of the reduction device, and the femoral intramedullary reduction device can realize real-time monitoring of femoral surgery by adopting a mode of imaging the ultrasonic probe. Meanwhile, compared with a C-arm machine imaging mode, the femoral intramedullary resetting device provided by the embodiment of the invention has stronger real-time performance and avoids the radiation hazard. In addition, due to interference of various tissues in the bone on images, the optical imaging of the C-arm machine is not easy to penetrate, and an ultrasonic signal can penetrate, so that the identification of the femoral intramedullary resetting device is stronger.
In one embodiment, as shown in fig. 2, the femoral intramedullary reduction device further comprises: the access device 3, the intramedullary restorer 1 comprises a reduction rod 11, the access device 3 is used for opening the femoral medullary cavity, and the reduction rod 11 is inserted into the femoral medullary cavity through the lumen of the access device 3. Specifically, when the femoral reduction operation is performed, the operation part is disinfected firstly, then a 2-3cm incision is made 2cm above the top end of the greater trochanter of the femur, then muscles are separated, periosteum is cut, the approach device 3 is propped at the incision position, and the reduction rod 11 is inserted into the femoral bone marrow cavity through the lumen of the approach device 3.
In one embodiment, as shown in fig. 3, the femoral intramedullary reduction device further comprises: the ultrasonic imaging host 5, the ultrasonic imaging host 5 includes the image processor 51 and the display 52, the image processor 51 connects the ultrasonic probe 2, is used for receiving the signal that the ultrasonic probe 2 transmits and processing; the display 52 is connected to the image processor 51 and is used for receiving and displaying the information processed by the image processor 51. Specifically, when the femoral reduction operation is performed, the ultrasonic imaging host 5 is arranged, so that the image acquired by the ultrasonic probe 2 can be displayed on the display 52 in real time, and the operation can be performed smoothly.
In one embodiment, the intramedullary restorer comprises a working channel, and the interior of the working channel can pass through the guide pin; when the femoral reduction operation is carried out, the distal end of the intramedullary reduction device extends into the femoral medullary cavity, the distal end of the femoral fracture can be aligned with the proximal end part through the prying of the distal end, and then the guide pin can be implanted from the working channel to maintain the reduced fracture end.
In one embodiment, the ultrasound probe may be mounted directly at the distal end of the intramedullary reduction instrument; a separate ultrasound probe may also be employed. In a specific embodiment, if an independent ultrasonic probe is adopted, the independent ultrasonic probe can extend into the distal end of the intramedullary repositor through the working channel during operation, so that real-time imaging is realized. As shown in fig. 2, which is a section of the intramedullary restorer 1, if the ultrasonic probe 2 is installed at the distal end of the intramedullary restorer 1, a circuit channel 13 may be provided in the intramedullary restorer 1 in addition to the working channel 12, and the transmission signal line of the ultrasonic probe 2 is extended out of the intramedullary restorer 1 through the circuit channel 13.
In one embodiment, as shown in fig. 3 and 5, the femoral intramedullary reduction device further comprises: a hand-held structure 4, the hand-held structure 4 being connected to the proximal end of the intramedullary reduction instrument 1 for operating the intramedullary reduction instrument 1. In one embodiment, the handle structure 4 may be a hollow metal T-handle, the handle structure 4 may be mechanically connected to the intramedullary reduction device 1, and the user may rotate and move the intramedullary reduction device 1 back and forth via the handle structure 4.
In an embodiment, as shown in fig. 5, the handheld structure 4 further includes an electrical connection terminal 41, the proximal end of the intramedullary reduction instrument 1 includes an ultrasound signal connection terminal 14, the transmission signal line of the ultrasound probe 2 is connected to the ultrasound signal connection terminal 14, the ultrasound signal connection terminal 14 is connected to the electrical connection terminal 41 in the handheld structure 4, and the electrical connection terminal 41 is also connected to the ultrasound imaging host 5, so that the information collected by the ultrasound probe 2 is output to the ultrasound imaging host 5 through the ultrasound signal line, the ultrasound signal connection terminal 14 and the electrical connection terminal 41, and real-time imaging is achieved.
In one embodiment, the intramedullary restorer 1 is installed inside the access device 3 during the operation, and an angle sensor is installed on the access device 3 and used for detecting the position of the restoring rod 11, and particularly, the absolute angle position of the intramedullary restorer 1 can be obtained. In a particular embodiment, the angle sensor includes an angle encoder, a capacitive sensor, a mechanical angle sensor, and the like. The angle sensor has a shaft that counts every 1/16 revolutions. When the rotation is made in one direction, the count is increased, and when the rotation direction is changed, the count is decreased. The count is related to the initial position of the angle sensor. When the angle sensor is initialized, its count value is set to 0, which can be reset programmatically if necessary.
In one embodiment, as shown in fig. 5, the reset lever 11 is provided with a rotational position sensor 15, and the rotational position sensor 15 is used for detecting the position of the ultrasonic probe 2. In a specific embodiment, a positioning scale may be further provided on the reset rod 11, a positioning recognition device 31 may be provided on an inner side wall of the access device 3, and the positioning recognition device 31 may determine a depth of the reset rod 11 extending into the femur by recognizing the scale on the reset rod 11, and specifically, the positioning recognition device 31 may be a camera or the like.
Specifically, during the operation, the physician may manually rotate the femoral intramedullary restoration device, and at each angular position, the ultrasound probe 2 may obtain the image information of the angle, and through the rotation motion, obtain the image information of different angles on the circumference, and through the image processing, may obtain the image signal in the circumferential direction of the femur, such as a three-dimensional image.
In an embodiment, the ultrasound probe 2 comprises: any one of a single-array-element ultrasonic probe, an array probe and an area array probe. The single-array-element ultrasonic probe can detect the depth of the far end of the intramedullary repositor entering a femoral medullary cavity, and realizes one-dimensional signal imaging; the array probe can realize two-dimensional imaging of the axial section of the femur, and the area array probe can realize three-dimensional imaging. In the actual operation process, a proper ultrasonic probe can be selected to detect the position of the distal femur broken end according to actual needs.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Although the present invention has been described in detail with respect to the exemplary embodiments and the advantages thereof, those skilled in the art will appreciate that various changes, substitutions and alterations can be made to the embodiments without departing from the spirit and scope of the invention as defined by the appended claims. For other examples, one of ordinary skill in the art will readily appreciate that the order of the process steps may be varied while maintaining the scope of the present invention.
Moreover, the scope of the present application is not intended to be limited to the particular embodiments of the process, machine, manufacture, composition of matter, means, methods and steps described in the specification. As one of ordinary skill in the art will readily appreciate from the disclosure of the present invention, processes, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed, that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein may be utilized according to the present invention. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps.
Claims (10)
1. A femoral intramedullary reduction device, comprising: the intramedullary reduction device comprises a distal end and a proximal end, the distal end of the intramedullary reduction device extends into the cavity of the femur bone marrow, and the ultrasonic probe is arranged at the distal end of the intramedullary reduction device and is used for imaging the femur fracture end.
2. The femoral intramedullary reduction device of claim 1, further comprising: an access device, the intramedullary reduction device comprises a reduction rod, the access device is used for opening the femoral medullary cavity, and the reduction rod is inserted into the femoral medullary cavity through the lumen of the access device.
3. The femoral intramedullary reduction device of claim 2, further comprising: an ultrasound imaging host comprising an image processor and a display,
the image processor is connected with the ultrasonic probe and used for receiving and processing the signals transmitted by the ultrasonic probe;
the display is connected with the image processor and used for receiving and displaying the information processed by the image processor.
4. The intramedullary reduction device of claim 1, wherein the ultrasound probe is mounted at a distal end of the intramedullary reduction device, the intramedullary reduction device comprising a working channel for insertion of a guide pin and a circuit channel for setting a transmission signal line of the ultrasound probe.
5. The intramedullary reduction device of claim 1, wherein the intramedullary reduction device includes a working channel for insertion of a guide pin, the ultrasound probe extending through the working channel into a distal end of the intramedullary reduction device.
6. The femoral intramedullary reduction device of claim 4, further comprising: a handle structure coupled to the proximal end of the intramedullary reducer for operating the intramedullary reducer.
7. The intramedullary reduction device of claim 6, wherein the proximal end of the intramedullary reduction instrument includes an ultrasound signal connection terminal, the transmission signal line of the ultrasound probe connects the ultrasound signal connection terminal, and the ultrasound signal connection terminal is electrically connected to the hand-held structure.
8. The intramedullary restoration device according to claim 2, wherein the reduction rod is provided with a rotational positioning sensor for detecting the position of the ultrasonic probe.
9. The intramedullary restoration device according to claim 2, wherein an angle sensor is provided on the access device for detecting the position of the reduction rod.
10. The femoral intramedullary reduction device of any one of claims 1-9, wherein the ultrasound probe comprises: any one of a single-array-element ultrasonic probe, an array probe and an area array probe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387353.3A CN112515753A (en) | 2020-12-01 | 2020-12-01 | Femoral intramedullary resetting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011387353.3A CN112515753A (en) | 2020-12-01 | 2020-12-01 | Femoral intramedullary resetting device |
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| CN112515753A true CN112515753A (en) | 2021-03-19 |
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| CN202011387353.3A Pending CN112515753A (en) | 2020-12-01 | 2020-12-01 | Femoral intramedullary resetting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717305A (en) * | 2023-10-18 | 2024-03-19 | 苏州市立医院 | Film reading interface display method of capsule endoscope image |
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2020
- 2020-12-01 CN CN202011387353.3A patent/CN112515753A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717305A (en) * | 2023-10-18 | 2024-03-19 | 苏州市立医院 | Film reading interface display method of capsule endoscope image |
| CN117717305B (en) * | 2023-10-18 | 2024-06-07 | 苏州市立医院 | Film reading interface display method of capsule endoscope image |
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