CN112842505A - Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture - Google Patents
Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture Download PDFInfo
- Publication number
- CN112842505A CN112842505A CN202110130399.5A CN202110130399A CN112842505A CN 112842505 A CN112842505 A CN 112842505A CN 202110130399 A CN202110130399 A CN 202110130399A CN 112842505 A CN112842505 A CN 112842505A
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- Prior art keywords
- guide
- sleeve
- holes
- hollow screw
- internal fixation
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Links
- 210000002436 femur neck Anatomy 0.000 title claims abstract description 22
- 206010020100 Hip fracture Diseases 0.000 title claims abstract description 20
- 208000020089 femoral neck fracture Diseases 0.000 title claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 210000003205 muscle Anatomy 0.000 claims description 20
- 241000561734 Celosia cristata Species 0.000 claims description 2
- 210000001520 comb Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000002594 fluoroscopy Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- UZUFPBIDKMEQEQ-UHFFFAOYSA-N perfluorononanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F UZUFPBIDKMEQEQ-UHFFFAOYSA-N 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 206010019196 Head injury Diseases 0.000 description 1
- 208000028373 Neck injury Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 210000000527 greater trochanter Anatomy 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Images
Classifications
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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
- A61B17/88—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
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2065—Tracking using image or pattern recognition
Abstract
The invention discloses a percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture, which comprises a guiding positioner body, wherein the guiding positioner body is cuboid, the guiding positioner is provided with through holes penetrating through the bottom surface and the back surface of the guiding positioner body, the through holes are cylindrical and comprise sleeve through holes and guide pin through holes, the tail end of a guiding sleeve is serrated, and the included angle between the axis of each through hole and the front surface of the guiding positioner body is 60 degrees; still include guide sleeve and be cylindricly, guide sleeve diameter is less than sleeve through-hole diameter. The C-arm X-ray machine positioning and guiding device is simple in structure and strong in practicability, screws can be driven according to the guiding and positioning of the C-arm X-ray machine only by positioning and guiding the C-arm X-ray machine in the using process, and the accuracy is extremely high.
Description
Technical Field
The invention relates to the technical field of femoral head and neck orientation devices, in particular to a percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture.
Background
The clinical treatment of femoral neck fracture generally adopts joint replacement above 55 years old, and adopts percutaneous three-hollow screw (inverted triangle) internal fixation through closed reduction C-shaped arm X-ray machine fluoroscopy or myotome vascular pedicle transfer three-hollow screw (inverted triangle) internal fixation through cut reduction C-shaped arm X-ray machine fluoroscopy within 55 years old (practical bone science); the intertrochanteric fracture is treated by adopting limited incision reduction PFNA internal fixation. But for the elderly patients with femoral neck fracture and intertrochanteric fracture who can not perform general anesthesia or semi-anesthesia for joint replacement and PFNA internal fixation treatment due to physical reasons, the patient can adopt local anesthesia lower closed reduction C-shaped arm X-ray machine fluoroscopy to perform percutaneous puncture three hollow screw (inverted triangle) internal fixation; orthopedic navigation equipment can be adopted for accurate positioning, but the orthopedic navigation equipment is only applied to a small part of large hospitals due to high price, complex and complicated operation procedure and more required auxiliary equipment.
At present, the number of the fracture patients is large, especially in two seasons of winter and spring; therefore, the surgery is a routine surgery carried out in a general hospital, usually, a surgeon is used for driving the positioning guide pin under the perspective (in the right position and in the lateral position) of a C-arm X-ray machine in the surgery, but due to the two-dimensional image, the positioning guide pin is difficult to be driven to an ideal position, some screws are driven out of tissues around head and neck injury of the femur or the distance between the screws is short, cutting or even screwing cannot be carried out, internal fixation is unstable easily caused, the screws and the head and neck of the femur are cut in a stress concentration manner, the treatment effect is influenced, and medical disputes are easily caused.
Disclosure of Invention
The invention aims to provide a percutaneous minimally invasive hollow screw internal fixation guide positioner for femoral neck and intertrochanteric fracture, which is used for three-dimensional directional aiming of screws implanted into the head and neck in clinical femoral neck and intertrochanteric fracture and positioning the puncture position by a C-arm X-ray machine.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture comprises a guiding positioner body, wherein the guiding positioner body is cuboid, the guiding positioner body is provided with through holes penetrating through the front bottom surface and the back surface of the guiding positioner body, the through holes are cylindrical and comprise sleeve through holes and guide pin through holes, the surface of the inner wall of each sleeve through hole is smooth, and the included angle between the axis of each through hole and the front surface of the guiding positioner body is 60 degrees;
still include that guide sleeve and guide sleeve are cylindricly, guide sleeve diameter is less than sleeve through-hole diameter and guide sleeve tail end and is the cockscomb structure.
Preferably, the guide positioner further comprises a handle, wherein the handle is rod-shaped, and one end of the handle is fixedly connected with one side surface of the guide positioner body.
Furthermore, the included angle between the axis of the handle and the side surface of the guide positioner body where the fixed connection part is located is 60 degrees.
Preferably, the muscle separator further comprises a muscle separator guide pin, the diameter of the body of the muscle separator guide pin is smaller than that of the guide pin through hole, and the diameter of the body of the muscle separator guide pin is smaller than the inner diameter of the guide sleeve.
Preferably, there are 3 sleeve through holes, 4 guide pin through holes, one of the sleeve through holes is arranged on the left half part of the front surface of the guide positioner body, the other two sleeve through holes and 4 guide pin through holes are arranged on the left half part of the front surface of the guide positioner body according to a 2 x 3 rectangular array, and 4 guide pin through holes are arranged at four included angles of the 2 x 3 rectangular array.
Preferably, the length, the width and the height of the guide positioner body are respectively 5cm, 3cm and 1 cm.
Further, the handle length is 12 cm.
Furthermore, the diameter of the body of the muscle separator guide needle is 2.5mm, and the length of the muscle separator guide needle is 11.5 cm.
Preferably, the inner diameter of the through hole of the sleeve is 6mm, the inner diameter of the guide sleeve is 3mm, and the length of the guide sleeve is 11 cm.
Preferably, the inner diameter of the guide pin through hole is 3 mm.
The invention has the following beneficial effects:
the invention only needs to be positioned and guided by the C-arm X-ray machine, and screws are driven into the through holes according to the through holes after the hollow screw driving track is determined, so that the operation is convenient and the positioning accuracy is high.
Drawings
FIG. 1 is a front view of the present invention with a guide sleeve inserted;
FIG. 2 is a schematic top view of the present invention;
in the figure: 1-a guide locator body, 2-a sleeve through hole, 3-a guide pin through hole, 4-a handle and 5-a guide sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the percutaneous minimally invasive hollow screw internal fixation guiding and positioning device for femoral neck and intertrochanteric fracture comprises a guiding and positioning device body 1, wherein the guiding and positioning device body 1 is cuboid, through holes penetrating through the front bottom surface and the back surface of the guiding and positioning device body 1 are arranged in the guiding and positioning device body 1, the through holes are cylindrical and comprise sleeve through holes 2 and guide pin through holes 3, the surfaces of the inner walls of the sleeve through holes 2 are smooth, and the included angles between the axes of the through holes and the front surface of the guiding and positioning device body 1 are both 60 degrees.
The invention also comprises a guide sleeve 5, wherein the guide sleeve 5 is cylindrical, the diameter of the guide sleeve 5 is smaller than that of the sleeve through hole 2, and the tail end of the guide sleeve 5 is in a sawtooth shape.
The invention also comprises a handle 4, wherein the handle 4 is rod-shaped, and one end of the handle 4 is fixedly connected with one side surface of the guide positioner body 1. The included angle between the axis of the handle 4 and the side surface of the guiding positioner body 1 where the fixed connection part is positioned is 60 degrees.
The invention also comprises a muscle separator guide pin, wherein the diameter of the body of the muscle separator guide pin is smaller than that of the guide pin through hole 3, and the diameter of the body of the muscle separator guide pin is smaller than the inner diameter of the guide sleeve 5.
Sleeve through-hole 2 has 3, and guide pin through-hole 3 has 4, and the half on the left side of the front of direction locator body 1 is located to one of them of sleeve through-hole 2, and two other sleeve through-holes 2 are arranged according to 2 x 3 rectangle array with 4 guide pin through-holes 3 on the half on the left side of the front of direction locator body 1 together, and four contained angle departments of 2 x 3 rectangle array are 4 guide pin through-holes 3.
Specifically, the dimensions of the components of the invention are as follows: the length, width and height of the guide positioner body 1 are respectively 5cm, 3cm and 1 cm. The handle 4 is 12cm in length. The diameter of the body of the muscle separator guide pin is 2.5mm, and the length of the muscle separator guide pin is 11.5 cm. The 2 internal diameters of sleeve through-hole are 6mm, 5 internal diameters of guide sleeve are 3mm, and 5 length of guide sleeve are 11 cm. The internal diameter of the guide pin through hole 3 is 3 mm.
In the specific implementation process: after satisfactory anesthesia, the patient lies on the back on the operation traction bed for traction and restoration, and after the position is good, the drape is disinfected, and the C-arm X-ray machine and the invention are used for positioning the driving direction and drawing marks on the surface of the skin. The hand-held handle 4 clings the guiding locator body 1 to the outer skin surface of the greater trochanter of the femur, so that the skin marking line is overlapped with the direction of the guide pin of the muscle separator in the through hole. After the skin is opened, the guide sleeve 5 and the muscle separator guide pin are inserted into the outer cortex of the proximal end of the direct femur through the through hole, then the muscle separator guide pin is pulled out, the guide pin is driven into the head and neck of the femur through the guide sleeve 5, the guide sleeve 5 and the guide locator body 1 are taken down after the irradiation (in the normal position and in the lateral position) of the C-shaped arm X-ray machine is good, the hollow screw is driven into the head and neck of the femur along the guide pin, the screw is confirmed to be positioned in the head and neck of the femur through perspective again, and the operation is finished.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. Femoral neck and intertrochanteric fracture percutaneous wicresoft hollow screw internal fixation direction locator, its characterized in that: the guide positioner comprises a guide positioner body, wherein the guide positioner body is cuboid, the guide positioner body is provided with through holes penetrating through the front bottom surface and the back surface of the guide positioner body, the through holes are cylindrical and comprise sleeve through holes and guide pin through holes, the inner wall surfaces of the sleeve through holes are smooth, and the included angles between the axes of the through holes and the front surface of the guide positioner body are 60 degrees;
still include that guide sleeve and guide sleeve are cylindricly, guide sleeve diameter is less than sleeve through-hole diameter and guide sleeve tail end and is the cockscomb structure.
2. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the guide positioner is characterized by further comprising a handle, wherein the handle is rod-shaped, and one end of the handle is fixedly connected with one side surface of the guide positioner body.
3. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 2, wherein: the included angle between the axis of the handle and the side surface of the guide positioner body where the fixed connection is positioned is 60 degrees.
4. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the muscle separator is characterized by further comprising a muscle separator guide pin, wherein the diameter of the body of the muscle separator guide pin is smaller than that of the guide pin through hole, and the diameter of the body of the muscle separator guide pin is smaller than the inner diameter of the guide sleeve.
5. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the sleeve through-hole has 3, and the guide pin through-hole has 4, and one of them of sleeve through-hole is located the positive left half of direction locator body, and two other sleeve through-holes and 4 guide pin through-holes are arranged according to 2 x 3 rectangle array on the positive left half of direction locator body together, and four contained angles departments of 2 x 3 rectangle array are 4 guide pin through-holes.
6. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the length, width and height of the guide positioner body are respectively 5cm, 3cm and 1 cm.
7. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 2, wherein: the handle length is 12 cm.
8. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 4, wherein: the diameter of the body of the muscle separator guide pin is 2.5mm, and the length of the muscle separator guide pin is 11.5 cm.
9. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the sleeve through-hole internal diameter is 6mm, the guide sleeve internal diameter is 3mm, and guide sleeve length is 11 cm.
10. The femoral neck and intertrochanteric fracture percutaneous minimally invasive hollow screw internal fixation guide locator of claim 1, wherein: the internal diameter of the guide pin through hole is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130399.5A CN112842505A (en) | 2021-01-29 | 2021-01-29 | Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130399.5A CN112842505A (en) | 2021-01-29 | 2021-01-29 | Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture |
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| Publication Number | Publication Date |
|---|---|
| CN112842505A true CN112842505A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110130399.5A Pending CN112842505A (en) | 2021-01-29 | 2021-01-29 | Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture |
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| Country | Link |
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| CN (1) | CN112842505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730049A (en) * | 2021-09-18 | 2021-12-03 | 河南省中医院（河南中医药大学第二附属医院） | Pressing bone grafting supporting device for femoral head necrosis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201055416Y (en) * | 2007-06-18 | 2008-05-07 | 丹阳市中医院 | Exterior fixing drift bolt structure for thighbone intertrochanteric fracture |
| CN204484277U (en) * | 2015-03-02 | 2015-07-22 | 刘应忠 | Neck of femur localizer |
| CN109938820A (en) * | 2019-04-25 | 2019-06-28 | 赵国勇 | For treating the fixed plate of fracture of neck of femur |
| CN211633538U (en) * | 2020-01-16 | 2020-10-09 | 西南医科大学附属中医医院 | Distal accurate locking device of femoral intramedullary nail |
-
2021
- 2021-01-29 CN CN202110130399.5A patent/CN112842505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201055416Y (en) * | 2007-06-18 | 2008-05-07 | 丹阳市中医院 | Exterior fixing drift bolt structure for thighbone intertrochanteric fracture |
| CN204484277U (en) * | 2015-03-02 | 2015-07-22 | 刘应忠 | Neck of femur localizer |
| CN109938820A (en) * | 2019-04-25 | 2019-06-28 | 赵国勇 | For treating the fixed plate of fracture of neck of femur |
| CN211633538U (en) * | 2020-01-16 | 2020-10-09 | 西南医科大学附属中医医院 | Distal accurate locking device of femoral intramedullary nail |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113730049A (en) * | 2021-09-18 | 2021-12-03 | 河南省中医院（河南中医药大学第二附属医院） | Pressing bone grafting supporting device for femoral head necrosis |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210528 |