CN108309420B - Multi-blade self-drilling bone round needle with scaly groove - Google Patents
Multi-blade self-drilling bone round needle with scaly groove Download PDFInfo
- Publication number
- CN108309420B CN108309420B CN201810112466.9A CN201810112466A CN108309420B CN 108309420 B CN108309420 B CN 108309420B CN 201810112466 A CN201810112466 A CN 201810112466A CN 108309420 B CN108309420 B CN 108309420B
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- CN
- China
- Prior art keywords
- grooves
- needle
- scaly
- drilling
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 26
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 208000010392 Bone Fractures Diseases 0.000 description 6
- 206010017076 Fracture Diseases 0.000 description 5
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000011708 Avulsion fracture Diseases 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 230000037182 bone density Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
Classifications
-
- 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
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- 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
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a multi-edge self-drilling bone round needle with a scaly groove, which comprises the following components: the needle head comprises a rotating connecting handle, a drill head needle head and a needle rod, wherein the drill head needle head is arranged at the top of the needle rod, the drill head needle head is a polygonal cone, a plurality of sharp edges are obliquely downwards arranged on the surface of the polygonal cone from the top, arc grooves are inwards concavely formed in each sharp edge to form 2 additional cutting edges, a plurality of groups of spiral scale shield grooves are formed in the needle rod, the scale shield grooves extend downwards in a spiral mode from the top of the excircle of the needle rod to the bottom, the scale shield grooves comprise middle shuttle grooves and dovetail grooves, the dovetail grooves are symmetrically arranged on two sides of the middle shuttle grooves, and the rotating connecting handle is arranged at the bottom of the needle rod. Through the mode, the multi-blade self-drilling bone round needle with the scaly grooves, provided by the invention, is particularly provided with the drill type needle head, so that drilling on bone is more convenient, the holding force of the bone round needle is improved, and the problem of reduction and loss is solved.
Description
Technical Field
The invention relates to the field of orthopaedics instruments with scaly grooves, in particular to a multi-blade self-drilling bone round needle with scaly grooves.
Background
The Kirschner wire is an internal fixation instrument commonly used in the orthopaedics field, is mainly used for fixing short oblique fracture or avulsion fracture and other fracture fixation with low stress, can also be used for fixing temporary fracture blocks in orthopaedics operation and bone traction operation, and has wider use.
When the Kirschner wire is used, holes are needed to be drilled on bones, the common Kirschner wire head is not suitable for drilling holes on bone cortex with higher bone density, slipping or drilling deflection is easy, the accuracy and the speed of surgical cutting are affected, the surface of the needle body of the Kirschner wire is smooth, the holding force is poor, looseness is easy, and the fixing effect is affected.
Disclosure of Invention
The invention mainly solves the technical problem of providing the multi-blade self-drilling bone round needle with the scaly grooves, which improves the drilling effect and the working efficiency and enhances the fixing effect.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a multi-blade self-drilling osseous pin with a scaly groove, comprising: the needle head comprises a rotating connecting handle, a drill head needle head and a needle rod, wherein the drill head needle head is arranged at the top of the needle rod, the drill head needle head is a polygonal cone, a plurality of sharp edges are obliquely downwards arranged on the surface of the polygonal cone from the top, arc grooves are inwards concavely formed in each sharp edge to form 2 additional cutting edges, a plurality of groups of spiral scale shield grooves are formed in the needle rod, the scale shield grooves extend downwards in a spiral mode from the top of the excircle of the needle rod to the bottom, the scale shield grooves comprise middle shuttle grooves and dovetail grooves, the dovetail grooves are symmetrically arranged on two sides of the middle shuttle grooves, and the rotating connecting handle is arranged at the bottom of the needle rod.
In a preferred embodiment of the present invention, the number of the scaly grooves is at least one.
In a preferred embodiment of the invention, the drill tip is welded to the top of the shank.
In a preferred embodiment of the present invention, the rotary connection handle, the drill tip and the needle shaft are of an integrated steel structure.
In a preferred embodiment of the present invention, the rotary connection handle has a square plate structure.
In a preferred embodiment of the present invention, the needle bar is of hollow or solid construction.
In a preferred embodiment of the invention, the number of sharp edges is 4.
The beneficial effects of the invention are as follows: the multi-blade self-drilling bone round needle with the scaly grooves, which is disclosed by the invention, particularly adopts a drill type needle head, can form a structure with 4 sharp 12 blades, is more convenient to drill on bone, reduces the problems of slipping and deflection, greatly improves the working efficiency and the precision of fracture fixation, is beneficial to forming inner tenons by utilizing the scaly grooves, not only can facilitate the growth of bone, but also can strengthen the fixation of a needle rod, and improves the holding force of the bone round needle and reduces the problems of reduction and loss.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a schematic view of a preferred embodiment of a multi-edged self-drilling bone pin with a scaly groove according to the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of the present invention includes:
a multi-edged self-drilling osseous pin with a scaly groove comprising: the rotary connecting handle 1, the drill type needle head 3 and the needle rod 2, the drill type needle head 3 is arranged at the top of the needle rod 2, the drill type needle head 3 is a multi-pyramid, 4 sharp edges 31 are obliquely downwards arranged on the surface of the multi-pyramid from the top, arc grooves 32 are concavely arranged on each sharp edge 31 to form 2 additional cutting edges, a structure with 4 sharp 12 edges is formed, cutting force is reduced, operation is more labor-saving, drilling stability is high, speed is high, deflection is not easy, and position accuracy is high.
The needle bar 2 is provided with a plurality of groups of spiral-arranged scale shield grooves 4, the scale shield grooves extend to the bottom from the top of the outer circle of the needle bar 2 at intervals downwards in a spiral mode, each scale shield groove comprises a middle shuttle groove 41 and dovetail grooves 42, the dovetail grooves 42 are symmetrically arranged on two sides of the middle shuttle groove 41, and an included angle between the middle shuttle groove 41 and the central shaft of the needle bar 2 is 20 degrees.
The rotating connecting handle 1 is arranged at the bottom of the needle bar 2, the rotating connecting handle 1 is of a square platy structure, the rotating connecting handle 1 of the square platy structure is conveniently connected with a rotary driving device, slipping is avoided, the needle bar 2 is of a hollow structure or a solid structure, the dead weight of the hollow structure is light, the cost is low, the structure of the solid structure is firmer, and the application range is wide.
The scale-shield-shaped groove imitates a shark scale structure, and according to the minimum resistance law and the volume invariance law of plastic deformation in the material pressure processing principle, bone cut after drilling flows from the vertex to two sides, is piled and accommodated in the scale-shield-shaped groove, and reduces the drilling cutting resistance. As the bone fragments healed and grew, the scaly grooves on each cross section formed three inner tenons. The rotation or the movement of the bone round needle generates certain resistance, so that the anti-loosening performance is improved, and the bone round needle is different from a thread structure and does not aggravate and damage soft tissues.
The bone round needle can adopt two structures of split and whole:
the drill head type needle head 3 is welded at the top of the needle rod 2, and the split structure is convenient to process and low in cost;
the rotary connecting handle 1, the drill bit type needle head 3 and the needle rod 2 are of an integrated steel structure, and can be made of carbon steel, so that the corrosion resistance is high and the safety is high.
In summary, the multi-blade self-drilling bone round needle with the scaly grooves can be quickly driven into bone, can self-drill bone, has high cutting efficiency, good connectivity with bone, stable structure and capacity of promoting healing growth of broken bone, and has the advantages that three inner tenons are formed in the scaly grooves on each cross section, the anti-pulling performance is strong, the reduction loss is prevented, and the fracture fixation is facilitated.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (5)
1. The utility model provides a many cutting edges are from bone round needle that has a scaly recess that bores, promotes the fixed construction speed of fracture and fixed effect, its characterized in that includes: the needle comprises a rotating connecting handle, a drill type needle head and a needle rod, wherein the drill type needle head is arranged at the top of the needle rod, the drill type needle head is a polygonal cone, a plurality of sharp edges are obliquely downwards arranged on the surface of the polygonal cone from the top, arc grooves are inwards concavely formed in each sharp edge to form 2 additional cutting edges, a plurality of groups of spiral scale shield grooves are formed in the needle rod, the scale shield grooves spirally extend downwards from the top of the excircle of the needle rod to the bottom, the scale shield grooves comprise middle shuttle grooves and dovetail grooves, the dovetail grooves are symmetrically arranged at two sides of the middle shuttle grooves, the rotating connecting handle is arranged at the bottom of the needle rod, the rotating connecting handle, the drill type needle head and the needle rod are of an integrated steel structure, and the needle rod is of a hollow structure or a solid structure.
2. The multi-edged self-drilling osseous pin with scaly grooves of claim 1 wherein the number of scaly grooves is at least one.
3. The multi-edged self-drilling osseous pin with scaly grooves of claim 1 wherein the drill tip is welded to the top of the pin shaft.
4. The multi-edged self-drilling osseous pin with scaly grooves of claim 1 wherein the rotating handle is of square plate configuration.
5. The multi-edged self-drilling osseous pin with scaly grooves of claim 1 wherein the number of sharp edges is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112466.9A CN108309420B (en) | 2018-02-05 | 2018-02-05 | Multi-blade self-drilling bone round needle with scaly groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810112466.9A CN108309420B (en) | 2018-02-05 | 2018-02-05 | Multi-blade self-drilling bone round needle with scaly groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108309420A CN108309420A (en) | 2018-07-24 |
| CN108309420B true CN108309420B (en) | 2023-12-01 |
Family
ID=62902304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810112466.9A Active CN108309420B (en) | 2018-02-05 | 2018-02-05 | Multi-blade self-drilling bone round needle with scaly groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108309420B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109077775B (en) * | 2018-07-10 | 2020-04-21 | 杭州电子科技大学 | Biological spur grinding device of imitative ant-eating beast tongue |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6419490B1 (en) * | 2001-01-30 | 2002-07-16 | Arthur Kitchings Weathers, Jr. | Grooved intraosseous dental drill bit |
| CN2585631Y (en) * | 2002-12-30 | 2003-11-12 | 河南省洛阳正骨研究所 | Automatic pressure ripple nail and knocking/pulling device for femoral and tibia fracture |
| CN2588951Y (en) * | 2002-12-30 | 2003-12-03 | 河南省洛阳正骨研究所 | Absorbable internal fixing nail for femur neck fracture |
| CN205967535U (en) * | 2016-06-04 | 2017-02-22 | 上海宏挺紧固件制造有限公司 | From boring self tapping lightning tail drill bit |
| CN208910439U (en) * | 2018-02-05 | 2019-05-31 | 沈影超 | A kind of thick steel needle with Scutum connected in star that multiple-cutting-edge bores certainly |
-
2018
- 2018-02-05 CN CN201810112466.9A patent/CN108309420B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6419490B1 (en) * | 2001-01-30 | 2002-07-16 | Arthur Kitchings Weathers, Jr. | Grooved intraosseous dental drill bit |
| CN2585631Y (en) * | 2002-12-30 | 2003-11-12 | 河南省洛阳正骨研究所 | Automatic pressure ripple nail and knocking/pulling device for femoral and tibia fracture |
| CN2588951Y (en) * | 2002-12-30 | 2003-12-03 | 河南省洛阳正骨研究所 | Absorbable internal fixing nail for femur neck fracture |
| CN205967535U (en) * | 2016-06-04 | 2017-02-22 | 上海宏挺紧固件制造有限公司 | From boring self tapping lightning tail drill bit |
| CN208910439U (en) * | 2018-02-05 | 2019-05-31 | 沈影超 | A kind of thick steel needle with Scutum connected in star that multiple-cutting-edge bores certainly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108309420A (en) | 2018-07-24 |
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