CN113116494A - Percutaneous minimally invasive hollow nail guiding implantation system - Google Patents
Percutaneous minimally invasive hollow nail guiding implantation system Download PDFInfo
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- CN113116494A CN113116494A CN202110413554.4A CN202110413554A CN113116494A CN 113116494 A CN113116494 A CN 113116494A CN 202110413554 A CN202110413554 A CN 202110413554A CN 113116494 A CN113116494 A CN 113116494A
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- guide frame
- hollow nail
- minimally invasive
- implantation system
- screw rod
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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
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- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a percutaneous minimally invasive hollow nail guiding implantation system in the technical field of hollow nail guiding implantation, which comprises a mounting seat, wherein a sliding cavity is formed in the upper end of the mounting seat, a lower sliding seat and an upper sliding seat are connected in the sliding cavity in a sliding manner, the upper sliding seat is positioned at the upper end of the lower sliding seat, a screw rod is connected on the mounting seat in a rotating manner, the screw rod is connected with the upper sliding seat and the lower sliding seat in a threaded manner, the mounting seat, the upper sliding seat, the lower sliding seat and the screw rod are provided with two mirror images, one side, close to each other, of the two upper sliding seats is rotatably connected with a rotating shaft, one side, close to each other, of the two lower sliding seats is rotatably connected with a worm, the lower end; the hollow nail guiding device is not required to be held by hands, is convenient to use, and can realize guiding adjustment of any angle of the hollow nail.
Description
Technical Field
The invention relates to the technical field of hollow nail guiding implantation, in particular to a percutaneous minimally invasive hollow nail guiding implantation system.
Background
Femoral neck fractures often occur in middle-aged and elderly people, and with the development of society, the femoral neck fractures of young and middle-aged people caused by traffic injuries, high falling injuries and other reasons are increased year by year. The non-healing rate of femoral neck fracture and femoral head necrosis rate reach more than 60 percent, which are the main problems of clinical treatment. For middle and young femoral neck fracture patients less than 60 years old or old patients with good bone quality, three hollow nails are still the currently preferred treatment scheme.
Chinese patent application No. 201922072250.7 proposes a three hollow nail implantation guider for femoral neck fracture operation, the device can play certain location guide effect, but the device does not have dedicated fixing device during the use, still need hold the direction of carrying out the hollow nail during the use and implant, and the orientation that changes the device is fixed position orientation moreover, but because patient's stature differs, the skeleton size is more different, use panel to fix a position and can not adapt to different patients, the precision is low excessively, and can not carry out the location regulation of random point.
Accordingly, the present invention is directed to a percutaneous minimally invasive cannulated nail guiding implant system that solves the problems set forth above in the background.
Disclosure of Invention
The invention aims to provide a percutaneous minimally invasive hollow nail guiding implantation system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a percutaneous minimally invasive hollow nail direction implantation system, includes the mount pad, and smooth chamber has been seted up to the upper end of mount pad, sliding connection has slide down and last slide in the smooth chamber, it is located the upper end of slide down to go up the slide, it is connected with the screw rod to rotate on the mount pad, screw rod threaded connection goes up slide and slide down, mount pad, slide down, screw rod mirror image are provided with two, two it is connected with the pivot to go up one side rotation that the slide is close to each other, two one side rotation that the slide is close to each other down is connected with the worm, the lower extreme fixedly connected with sector of pivot, sector meshing worm, two fixedly connected with guide frame between the pivot, two sectors of guide frame fixed connection.
As a further scheme of the invention: the left and right sides of guide frame rotates and is connected with the lead screw, the upper and lower both sides of guide frame rotate and are connected with lead screw two, two lead screw and two lead screw two between rotate through the hold-in range and connect, the screw thread of screw rod, lead screw and lead screw two is the coarse thread of triangle-shaped tooth meter screw thread and tooth angle and is sixty degrees.
As a further scheme of the invention: the two screw rods are in threaded connection with a guide frame, the two screw rods are in threaded connection with a guide frame II, a sliding groove is formed in the guide frame II, and a sliding groove II is formed in the guide frame II.
As a further scheme of the invention: and a positioning shaft is slidably connected between the sliding groove and the second sliding groove, the positioning shaft is cylindrical, the two ends of the positioning shaft are provided with parts with diameters larger than the whole, and a round hole is formed in the center of the positioning shaft.
As a further scheme of the invention: the worm and the screw rod are provided with rotating handles, and the upper end of the screw rod is provided with a rotating rod.
As a further scheme of the invention: the front side face of the upper right corner of the guide frame is fixedly connected with a fixing rod, the fixing rod is rotatably connected with a knob, bevel gears are arranged on the second screw rod and the knob, and the bevel gears of the second screw rod are meshed with the bevel gears of the knob.
As a further scheme of the invention: the sector is fan-shaped, the lower end of the sector is provided with a convex tooth, and the circle center of the sector is concentric with that of the rotating shaft.
As a further scheme of the invention: the lower end of the mounting seat is provided with a bayonet, and a bolt is arranged at the position, located at the bayonet, of the mounting seat.
As a further scheme of the invention: and a connecting column is fixedly connected between the upper sliding seat and the lower sliding seat.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the mount pad mirror image is provided with two, and the bayonet socket has been seted up to the lower extreme of mount pad, and the lower extreme of mount pad is provided with the bolt, can install the mount pad on the operating table, and convenient to use need not to hand.
2. The screw rod is arranged on the mounting seat, the upper sliding seat and the lower sliding seat are respectively provided with the rotating shaft, the toothed sectors and the worm, a guide frame is fixedly connected between the toothed sectors, a guide frame and a guide frame II are connected in the guide frame in a sliding mode, the guide frame and the guide frame II are in threaded connection with the screw rod and the screw rod II, the height of the guide frame can be adjusted by rotating the screw rod, the angle of the guide frame can be adjusted by rotating the toothed sectors, the position of the positioning shaft on the guide frame can be adjusted by rotating the position of the guide frame and the position of the guide frame II, and therefore the guiding of any point of the hollow nail is achieved, the screw rod II and the worm are all in stepless adjustment, and the adjusting precision.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a partial schematic view of the guide frame;
FIG. 3 is a schematic diagram of A in FIG. 2;
fig. 4 is a schematic structural view of the mount portion.
In the figure: 1. a mounting seat; 2. a slide chamber; 3. a lower slide base; 4. an upper slide base; 5. connecting columns; 6. a screw; 7. a guide frame; 8. a bayonet; 9. a bolt; 10. a rotating rod; 11. a guide frame; 12. a second guide frame; 13. positioning the shaft; 14. a worm; 15. a toothed fan; 16. fixing the rod; 17. turning a handle; 18. a chute; 19. a second chute; 20. a rotating shaft; 21. a screw rod; 22. a synchronous belt; 23. a second screw rod; 24. a knob; 25. a bevel gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, in an embodiment of the present invention, a percutaneous minimally invasive hollow nail guiding implantation system is a percutaneous minimally invasive hollow nail guiding implantation system, which includes a mounting base 1, a sliding cavity 2 is formed at an upper end of the mounting base 1, a lower sliding base 3 and an upper sliding base 4 are slidably connected in the sliding cavity 2, the upper sliding base 4 is located at an upper end of the lower sliding base 3, a screw rod 6 is rotatably connected to the mounting base 1, the screw rod 6 is screwed onto the upper sliding base 4 and the lower sliding base 3, the mounting base 1, the upper sliding base 4, the lower sliding seat 3 and the screw rod 6 are arranged in a mirror image mode, one side, close to each other, of each of the two upper sliding seats 4 is connected with a rotating shaft 20 in a rotating mode, one side, close to each other, of each of the two lower sliding seats 3 is connected with a worm 14 in a rotating mode, the lower end of each rotating shaft 20 is fixedly connected with a sector 15, the sector 15 is meshed with the worm 14, a guide frame 7 is fixedly connected between the two rotating shafts 20, and the guide frame 7 is fixedly connected with.
Specifically, the left side and the right side of the guide frame 7 are rotatably connected with screw rods 21, the upper side and the lower side of the guide frame 7 are rotatably connected with second screw rods 23, the two screw rods 21 and the two second screw rods 23 are rotatably connected through synchronous belts 22, threads of the screw rods 6, the screw rods 21 and the second screw rods 23 are triangular coarse thread rice threads, and thread angles are sixty degrees.
In this embodiment: the leading truck 11 of can adjusting is ascending or descend in the synchronous rotation of two lead screws 21, thereby can drive the location axle 13 and rise or descend, realize location axle 13 location on the vertical direction on guide frame 7, two lead screws two 23 synchronous rotations can adjust two 12 left slipings of leading truck or the right side is slided, thereby can drive location axle 13 left slipings or the right side is slided, realize location axle 13 location on the horizontal direction on guide frame 7, the coarse thread of triangle-shaped rice screw thread and tooth angle are the auto-lock nature of height can be realized to the thread of sixty degrees, can reduce the influence that vibrations in the operation process brought the device, prevent that the precision from descending.
Specifically, the two screw rods 21 are in threaded connection with the guide frame 11, the two screw rods 23 are in threaded connection with the guide frame two 12, the guide frame 11 is provided with a sliding groove 18, and the guide frame two 12 is provided with a sliding groove two 19.
In this embodiment: the sizes of the notches of the sliding grooves 18 and the second sliding grooves 19 are consistent, the positioning shaft 13 is clamped at the intersection of the two sliding grooves, the horizontal direction can be randomly positioned through the sliding grooves 18, and the vertical direction can be randomly positioned through the second sliding grooves 19.
Specifically, a positioning shaft 13 is connected between the sliding groove 18 and the second sliding groove 19 in a sliding manner, the positioning shaft 13 is cylindrical, two ends of the positioning shaft are provided with parts with diameters larger than the whole, and a circular hole is formed in the center of the positioning shaft 13.
In this embodiment: the hollow nail can be limited through the hole of the positioning shaft 13, and the hollow nail is ensured to vertically enter a human body.
Specifically, the worm 14 and the screw 21 are provided with a rotating handle 17, and the upper end of the screw 6 is provided with a rotating rod 10.
In this embodiment: facilitating manual rotation of the worm 14 and the lead screw 21.
Specifically, a fixing rod 16 is fixedly connected to the front side face of the upper right corner of the guide frame 7, the fixing rod 16 is rotatably connected with a knob 24, a bevel gear 25 is arranged on the second screw rod 23 and the knob 24, and the bevel gear 25 of the second screw rod 23 is meshed with the bevel gear 25 of the knob 24.
In this embodiment: the second adjusting screw 23 can rotate conveniently.
Specifically, the sector 15 is shaped like a sector, the lower end of the sector is provided with a convex tooth, and the center of the sector 15 is concentric with the center of the rotating shaft 20.
In this embodiment: the centre of a circle of sector 15 is concentric with the centre of a circle of pivot 20, can guarantee that sector 15 uses pivot 20 to rotate as the centre of a circle, can adjust the angle that guide frame 7 used pivot 20 to be the centre of a circle through the rotation of sector 15, can better adapt to the position of patient when lying in bed, need not to remove the patient, reduces the possibility that removes the patient and may lead to the secondary wound.
Specifically, a bayonet 8 is formed at the lower end of the mounting seat 1, and a bolt 9 is arranged at the position, located at the bayonet 8, of the mounting seat 1.
In this embodiment: the device can be conveniently installed on an operating table through the bayonet 8 and the bolt 9, and the use is convenient.
Specifically, a connecting column 5 is fixedly connected between the upper sliding seat 4 and the lower sliding seat 3.
In this embodiment: the synchronous movement of the upper sliding seat 4 and the lower sliding seat 3 along with the rotation of the screw 6 is ensured, and the continuous meshing of the sector 15 and the worm 14 is ensured.
The working principle of the invention is as follows: when the device is used, the mounting seat 1 is clamped on an operating table through the bayonet 8 and is fixed through the bolt 9, the screw 6 is rotated to drive the upper slide seat 4 and the lower slide seat 3 to synchronously move upwards or downwards so as to drive the guide frame 7 to move up and down, the positioning shaft 13 is close to the position of a wound to be operated, the two rotating handles 17 are rotated to drive the two worms 14 to rotate, the worms 14 rotate to drive the toothed fan 15 to rotate around the rotating shaft 20, so as to adjust the angle of the guide frame 7, adjust the angle of the positioning shaft 13 and the body of a patient, the rotating screw 21 can drive the guide frame 11 to slide up and down on the guide frame 7, the rotating screw 23 can drive the guide frame two 12 to slide left or right on the guide frame 7, and the positioning shaft 13 is clamped between the sliding chute 18 and the sliding chute two 19 so as to adjust the position of the positioning shaft 13 on the guide frame 7 through the guide frame 11 and the guide frame two 12, thereby realizing the positioning of the positioning shaft 13 at any point on the guide frame 7.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed.
Claims (9)
1. A percutaneous minimally invasive hollow nail guiding implantation system comprises a mounting seat (1), and is characterized in that: the upper end of mount pad (1) has been seted up smooth chamber (2), sliding connection has lower slide (3) and top slide (4) in smooth chamber (2), top slide (4) are located the upper end of lower slide (3), it is connected with screw rod (6) to rotate on mount pad (1), screw rod (6) threaded connection has upper slide (4) and lower slide (3), mount pad (1), top slide (4), lower slide (3), screw rod (6) mirror image are provided with two, two one side that top slide (4) are close to each other rotates and is connected with pivot (20), two one side that lower slide (3) are close to each other rotates and is connected with worm (14), the lower extreme fixedly connected with sector (15) of pivot (20), sector (15) meshing worm (14), two fixedly connected with guide frame (7) between pivot (20), the guide frame (7) is fixedly connected with the two gear sectors (15).
2. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1, wherein: the left and right sides of guide frame (7) rotates and is connected with lead screw (21), the upper and lower both sides of guide frame (7) rotate and are connected with lead screw two (23), two lead screw (21) and two lead screw two (23) between rotate through hold-in range (22) and connect, the screw thread of screw rod (6), lead screw (21) and lead screw two (23) is the sixty degree for the thick tooth of triangle-shaped rice screw thread and tooth angle.
3. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 2, wherein: the two screw rods (21) are in threaded connection with a guide frame (11), the two screw rods (23) are in threaded connection with a guide frame II (12), a sliding groove (18) is formed in the guide frame (11), and a sliding groove II (19) is formed in the guide frame II (12).
4. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 3, wherein: sliding connection has location axle (13) between spout (18) and the spout two (19), location axle (13) are cylindrical and both ends are provided with the diameter and are greater than holistic part, location axle (13) center is provided with the round hole.
5. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1 or 2, wherein: the worm (14) and the screw rod (21) are provided with rotating handles (17), and the upper end of the screw rod (6) is provided with a rotating rod (10).
6. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1, wherein: the front side face of the upper right corner of the guide frame (7) is fixedly connected with a fixing rod (16), the fixing rod (16) is rotatably connected with a knob (24), bevel gears (25) are arranged on the second screw rod (23) and the knob (24), and the bevel gears (25) of the second screw rod (23) are meshed with the bevel gears (25) of the knob (24).
7. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1, wherein: the sector (15) is fan-shaped, convex teeth are arranged at the lower end of the sector, and the circle center of the sector (15) is concentric with that of the rotating shaft (20).
8. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1, wherein: bayonet (8) have been seted up to the lower extreme of mount pad (1), mount pad (1) is located the position of bayonet socket (8) and is provided with bolt (9).
9. The percutaneous minimally invasive hollow nail guiding implantation system according to claim 1, wherein: a connecting column (5) is fixedly connected between the upper sliding seat (4) and the lower sliding seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110413554.4A CN113116494B (en) | 2021-04-16 | 2021-04-16 | Percutaneous minimally invasive hollow nail guiding implantation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110413554.4A CN113116494B (en) | 2021-04-16 | 2021-04-16 | Percutaneous minimally invasive hollow nail guiding implantation system |
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| CN113116494A true CN113116494A (en) | 2021-07-16 |
| CN113116494B CN113116494B (en) | 2023-02-03 |
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| US20190110827A1 (en) * | 2016-08-08 | 2019-04-18 | Naixi Liu | Sliding cross-fluoroscopy auxiliary apparatus for inserting orthopedic pedicle screw |
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| CN111772768A (en) * | 2020-08-12 | 2020-10-16 | 邓迎生 | First-level hollow nail minimally invasive mechanical implantation system based on femoral neck surgery central axis |
| CN112220536A (en) * | 2020-10-27 | 2021-01-15 | 青岛大学附属医院 | CT puncture positioning instrument |
| CN112248344A (en) * | 2020-09-28 | 2021-01-22 | 重庆工商大学 | Automobile plastic armrest box production equipment with directional stamping structure |
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2021
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080086137A1 (en) * | 2006-10-04 | 2008-04-10 | Robert Probe | Fixation of femoral neck fractures |
| CN103393462A (en) * | 2013-07-22 | 2013-11-20 | 陈立军 | In-vitro dynamic hip screw guider |
| CN105748143A (en) * | 2016-04-29 | 2016-07-13 | 谢小波 | Femur neck guider |
| US20190110827A1 (en) * | 2016-08-08 | 2019-04-18 | Naixi Liu | Sliding cross-fluoroscopy auxiliary apparatus for inserting orthopedic pedicle screw |
| CN108078614A (en) * | 2018-01-05 | 2018-05-29 | 岑耀棠 | A kind of breast tumor section drain pleural effusion sting device |
| CN108354659A (en) * | 2018-04-28 | 2018-08-03 | 吉林大学 | A kind of minimally invasive implantation positioning device of femur neck hollow nail |
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| CN111297465A (en) * | 2020-02-21 | 2020-06-19 | 中南大学湘雅二医院 | Patella fracture resetting guide device |
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| CN112248344A (en) * | 2020-09-28 | 2021-01-22 | 重庆工商大学 | Automobile plastic armrest box production equipment with directional stamping structure |
| CN112220536A (en) * | 2020-10-27 | 2021-01-15 | 青岛大学附属医院 | CT puncture positioning instrument |
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| CN113116494B (en) | 2023-02-03 |
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