CN111419370A - External aiming and positioning device for distal locking nail of intramedullary nail in orthopedics department - Google Patents
External aiming and positioning device for distal locking nail of intramedullary nail in orthopedics department Download PDFInfo
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- CN111419370A CN111419370A CN202010272054.9A CN202010272054A CN111419370A CN 111419370 A CN111419370 A CN 111419370A CN 202010272054 A CN202010272054 A CN 202010272054A CN 111419370 A CN111419370 A CN 111419370A
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- adjustable
- connecting plate
- connecting rod
- fixer
- nail
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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
- A61B17/7233—Intramedullary pins, nails or other devices with special means of locking the nail to the bone
- A61B17/725—Intramedullary pins, nails or other devices with special means of locking the nail to the bone with locking pins or screws of special form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/164—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans intramedullary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1717—Guides or aligning means for drills, mills, pins or wires for applying intramedullary nails or pins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1728—Guides or aligning means for drills, mills, pins or wires for holes for bone plates or plate screws
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an external aiming and positioning device for a distal locking nail of an orthopaedic intramedullary nail, which comprises a proximal fixing device, an adjusting device and an aiming device; the near-end fixing device comprises a near-end fixer and a first connecting plate arranged at one end of the near-end fixer; the adjusting device comprises an upper adjustable connecting rod and a lower adjustable connecting rod which are connected with the end of the first connecting plate far away from the near-end fixer in a sliding way, a second connecting plate fixedly connected with the upper adjustable connecting rod and the lower adjustable connecting rod, an adjustable ball sleeve fixer arranged on the second connecting plate far away from the end of the upper adjustable connecting rod and the lower adjustable connecting rod, and a far-end device connecting plate arranged at one end of the adjustable ball sleeve fixer; temporary fixing holes matched with each other are arranged on the second connecting plate and the far-end device connecting plate. The invention can improve the precision of the distal locking nail, reduce the damage caused by repeated drilling on the surface of the bone, effectively shorten the radioscopy time in the operation, is more beneficial to the health of the patient, avoids the repeated drilling to damage the fracture and better meets the fixing strength of the locking nail.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an external aiming and positioning device for a distal locking nail of an orthopaedic intramedullary nail.
Background
The intramedullary fixation of human trunk fracture is increasingly favored by orthopedists due to the advantages of high fixation strength and high fracture healing rate, but the locking problem of the distal end of the intramedullary nail in the operation is solved, the locking and fixation of the distal end of the intramedullary nail in the operation are caused, and the shortage of the fixed aiming equipment is caused, so the operation time is greatly increased, and the operation difficulty is increased. Most doctors lock by hands under fluoroscopy at present, but due to the level difference of personal technologies, the bone is damaged due to the repeated drilling and the like, the firmness degree of the locking nail is reduced, and the physical injuries of the doctors and patients caused by the fluoroscopy in the operation are increased. Meanwhile, due to the increase of the operation time, the body damage of the patient is increased, and the related cost of the patient such as operation anesthesia is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an external aiming and positioning device for the distal locking nail of the intramedullary nail in the orthopedics department.
In order to solve the technical problems, the technical scheme provided by the invention is an external aiming and positioning device for the distal locking nail of the intramedullary nail in the department of orthopedics, which comprises the following components: comprises a near-end fixing device, an adjusting device and an aiming device; the near-end fixing device comprises a near-end fixer and a first connecting plate arranged at one end of the near-end fixer; the adjusting device comprises an upper adjustable connecting rod and a lower adjustable connecting rod which are connected with the end of the first connecting plate far away from the near-end fixer in a sliding way, a second connecting plate fixedly connected with the upper adjustable connecting rod and the lower adjustable connecting rod, an adjustable ball sleeve fixer arranged on the second connecting plate far away from the end of the upper adjustable connecting rod and the lower adjustable connecting rod, and a far-end device connecting plate arranged at one end of the adjustable ball sleeve fixer; temporary fixing holes matched with each other are formed in the second connecting plate and the far-end device connecting plate.
As an improvement, the adjustable sphere sleeve fixer comprises a first hemispherical fixed shell, a second hemispherical fixed shell, an adjustable sphere sleeve fixed connecting rod arranged between the first hemispherical fixed shell and the second hemispherical fixed shell, and a multidirectional adjustable sphere, wherein a multidirectional adjustable sphere sleeve core is arranged in the middle of the multidirectional adjustable sphere.
Compared with the prior art, the invention has the advantages that: the invention can improve the precision of the distal locking nail, reduce the damage caused by repeated drilling on the surface of the bone, effectively shorten the radioscopy time in the operation, is more beneficial to the health of the patient, avoids the repeated drilling to damage the fracture, better meets the fixing strength of the locking nail, and is beneficial to the early rehabilitation and the functional exercise of the postoperative patient.
Drawings
Fig. 1 is a schematic structural view of an external aiming and positioning device for distal locking nail of an orthopaedic intramedullary nail.
As shown in the figure: 1. the device comprises a near-end fixer, 2, a first connecting plate, 3, an upper and lower adjustable connecting rod, 4, a second connecting plate, 5, an adjustable sphere sleeve fixer, 6, a far-end device connecting plate, 7, a temporary fixing hole, 8, a first hemispherical fixing shell, 9, a second hemispherical fixing shell, 10, an adjustable sphere sleeve fixing connecting rod, 11, a multidirectional adjustable sphere, 12, and a multidirectional adjustable sphere sleeve core.
Detailed Description
The external aiming and positioning device for the distal locking nail of the intramedullary nail in the orthopedics department is further described in detail with reference to the attached drawings.
With reference to fig. 1, an external aiming and positioning device for distal locking nail of an orthopaedic intramedullary nail comprises a proximal fixing device, an adjusting device and an aiming device; the near-end fixing device comprises a near-end fixer 1 and a first connecting plate 2 arranged at one end of the near-end fixer 1; the adjusting device comprises an upper adjustable connecting rod 3 and a lower adjustable connecting rod 3 which are connected with the end of the first connecting plate 2 far away from the near-end fixer 1 in a sliding way, a second connecting plate 4 fixedly connected with the upper adjustable connecting rod 3 and the lower adjustable connecting rod 4, an adjustable ball sleeve fixer 5 arranged at the end of the second connecting plate 4 far away from the upper adjustable connecting rod 3 and a far-end device connecting plate 6 arranged at one end of the adjustable ball sleeve fixer 5; temporary fixing holes 7 matched with each other are arranged on the second connecting plate 4 and the far-end device connecting plate 6.
The adjustable sphere sleeve fixer 5 comprises a first hemispherical fixed shell 8, a second hemispherical fixed shell 9, an adjustable sphere sleeve fixed connecting rod 10 and a multidirectional adjustable sphere 11, wherein the adjustable sphere sleeve fixed connecting rod 10 and the multidirectional adjustable sphere 11 are arranged between the first hemispherical fixed shell 8 and the second hemispherical fixed shell 9, and a multidirectional adjustable sphere sleeve core 12 is arranged in the middle of the multidirectional adjustable sphere 11.
When the invention is implemented specifically, the proximal end fixator 1 is fixed on a limb trunk part, then the first connecting plate 2, the upper and lower adjustable connecting rods 3, the second connecting plate 4, the adjustable sphere sleeve fixator 5 and the far-end device connecting plate 6 are connected, the multidirectional adjustable sphere sleeve core 12 and the intramedullary nail far-end locking hole are coaxial by adjusting the upper and lower adjustable connecting rods 3, then a guide pin is driven along the temporary fixing hole 7 to stabilize the device and the limb, holes are drilled along the multidirectional adjustable sphere sleeve core 12, and the drilling is used for directly drilling and locking to complete the locking of the intramedullary nail far-end locking nail.
The invention can improve the precision of the distal locking nail, reduce the damage caused by repeated drilling on the surface of the bone, effectively shorten the radioscopy time in the operation, is more beneficial to the health of the patient, avoids the repeated drilling to damage the fracture, better meets the fixing strength of the locking nail, and is beneficial to the early rehabilitation and the functional exercise of the postoperative patient.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides an external positioner that aims of orthopedics intramedullary nail distal end lock nail which characterized in that: comprises a near-end fixing device, an adjusting device and an aiming device;
the near-end fixing device comprises a near-end fixer (1) and a first connecting plate (2) arranged at one end of the near-end fixer (1);
the adjusting device comprises an upper adjustable connecting rod (3) and a lower adjustable connecting rod (3) which are connected with the end, far away from the near-end fixer (1), of the first connecting plate (2) in a sliding mode, a second connecting plate (4) fixedly connected with the upper adjustable connecting rod and the lower adjustable connecting rod (3), an adjustable sphere sleeve fixer (5) which is arranged at the end, far away from the upper adjustable connecting rod and the lower adjustable connecting rod (3), of the second connecting plate (4), and a far-end device connecting plate (6) which is arranged at one end of the adjustable sphere sleeve;
temporary fixing holes (7) matched with each other are formed in the second connecting plate (4) and the far-end device connecting plate (6).
2. The external aiming and positioning device for the distal locking nail of the orthopedic intramedullary nail of claim 1, wherein: the adjustable sphere sleeve fixer (5) comprises a first hemisphere type fixed shell (8), a second hemisphere type fixed shell (9), an adjustable sphere sleeve fixed connecting rod (10) and a multidirectional adjustable sphere (11), wherein the adjustable sphere sleeve fixed connecting rod and the multidirectional adjustable sphere (11) are arranged between the first hemisphere type fixed shell (8) and the second hemisphere type fixed shell (9), and a multidirectional adjustable sphere sleeve core (12) is arranged in the middle of the multidirectional adjustable sphere (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272054.9A CN111419370A (en) | 2020-04-09 | 2020-04-09 | External aiming and positioning device for distal locking nail of intramedullary nail in orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010272054.9A CN111419370A (en) | 2020-04-09 | 2020-04-09 | External aiming and positioning device for distal locking nail of intramedullary nail in orthopedics department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111419370A true CN111419370A (en) | 2020-07-17 |
Family
ID=71555968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010272054.9A Pending CN111419370A (en) | 2020-04-09 | 2020-04-09 | External aiming and positioning device for distal locking nail of intramedullary nail in orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111419370A (en) |
-
2020
- 2020-04-09 CN CN202010272054.9A patent/CN111419370A/en active Pending
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