CN110584768A - Preparation method of orthopedic implant - Google Patents
Preparation method of orthopedic implant Download PDFInfo
- Publication number
- CN110584768A CN110584768A CN201911001783.4A CN201911001783A CN110584768A CN 110584768 A CN110584768 A CN 110584768A CN 201911001783 A CN201911001783 A CN 201911001783A CN 110584768 A CN110584768 A CN 110584768A
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- Prior art keywords
- orthopedic implant
- screw
- groove
- hole
- implant screw
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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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/864—Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B17/8685—Pins or screws or threaded wires; nuts therefor comprising multiple separate parts
-
- 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
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
- A61B2017/8655—Pins or screws or threaded wires; nuts therefor with special features for locking in the bone
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a preparation method of an orthopedic implant. The preparation method of the orthopedic implant comprises the following steps: forming a cylindrical screw through an extrusion process, wherein the cylindrical screw comprises a top part and a bottom part which are oppositely arranged, a tapered thread section is formed on the periphery of the top part, and a thread tip part is formed at the bottom part; and fixing the curved fastening top cover on the top of the cylindrical screw to form the orthopedic implant screw. The orthopedic implant prepared by the preparation method of the orthopedic implant is not easy to loosen from the bone.
Description
Technical Field
The invention relates to a preparation method of an orthopedic implant.
Background
Fracture is a common and frequent disease in clinic, for example, in the case of osteoporotic elderly, the bone is loose, so fracture is easy to occur. Once a fracture occurs, it is often necessary to reinforce the fracture site with an orthopedic implant, such as a screw driven into the bone to effect the reinforcing action. However, the bone of the elderly is loose, so that the bone is not engaged with enough force by the orthopedic implant and is easy to loosen.
Disclosure of Invention
In view of this, there is a need for a method of making an orthopedic implant that is not easily loosened from bone.
A method of making an orthopedic implant, comprising the steps of: forming a cylindrical screw through an extrusion process, wherein the cylindrical screw comprises a top part and a bottom part which are oppositely arranged, a tapered thread section is formed on the periphery of the top part, and a thread tip part is formed at the bottom part; and fixing the curved fastening top cover on the top of the cylindrical screw to form the orthopedic implant screw.
In one embodiment, the fastening top cover is an oval sheet, a through hole is formed in the middle of the fastening top cover, a threaded hole is formed in the top of the cylindrical screw, and the threaded hole is correspondingly communicated with the through hole.
In one embodiment, the orthopedic implant screw further comprises a fastening nail, wherein the fastening nail is arranged in the through hole in a penetrating mode and is screwed in the threaded hole.
In one embodiment, the threaded bore is formed in a tapered threaded section having a diameter that decreases in a direction away from the fastening cap.
In one embodiment, a receiving channel is formed in the barrel screw, and the top of the receiving channel is communicated with the threaded hole.
In one embodiment, the threaded tip is provided with three drainage holes, and the three drainage holes are uniformly spaced around the axis of the cylindrical screw.
In one embodiment, the three drainage holes are communicated with the accommodating channel, and the diameter of each drainage hole is smaller than that of the accommodating channel.
In one embodiment, the fastening top cover is provided with a containing groove in a concave manner, and the through hole is formed in the bottom surface of the containing groove.
In one embodiment, the receiving groove is a circular groove having a diameter larger than that of the through hole, and a driving slot is formed at a periphery of the receiving groove.
In one embodiment, a straight-barrel thread section is formed in the middle of the barrel-shaped screw, and two opposite ends of the straight-barrel thread section are respectively connected with the tapered thread section and the thread tip portion.
The orthopedic implant screw manufactured by the preparation method of the orthopedic implant is provided with the arc-shaped top cover and the cylindrical screw, when in use, the fastening top cover is fixed on the cylindrical screw, then the cylindrical screw is drilled into a bone, the arc-shaped fastening top cover can be matched with the appearance shape of the bone, the fixing effect on the bone is improved, and the conical thread section is formed on the periphery of the top of the cylindrical screw, so that the conical thread section can be utilized to strengthen the occlusion effect on the bone, and the orthopedic implant screw is not easy to loosen from the bone.
Drawings
Fig. 1 is an exploded perspective view of an orthopedic implant screw in one embodiment.
Fig. 2 is a schematic perspective view of a magnetic element, a water pump and an inclined nozzle according to an embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention.
The invention relates to a preparation method of an orthopedic implant. For example, the method of making the orthopedic implant comprises the steps of: the barrel screw is formed through an extrusion process and comprises a top portion and a bottom portion which are oppositely arranged. For example, the top periphery is formed with a tapered threaded section and the bottom is formed with a threaded tip; and fixing the curved fastening top cover on the top of the cylindrical screw to form the orthopedic implant screw.
Referring to FIG. 1, a method for preparing an orthopedic implant includes the steps of: forming a cylindrical screw 20 through an extrusion process, wherein the cylindrical screw comprises a top part and a bottom part which are oppositely arranged, a tapered thread section 21 is formed on the periphery of the top part, and a thread tip part 23 is formed on the bottom part; and fixing a curved fastening cap 30 to the top of the barrel screw to form the orthopedic implant screw 100.
For example, the orthopedic implant preparation method is used for preparing an orthopedic implant, the orthopedic implant is provided with an arc-shaped top cover and a cylindrical screw, when the orthopedic implant is used, the fastening top cover is fixed on the cylindrical screw, then the cylindrical screw is drilled into a bone, the arc-shaped fastening top cover can be matched with the external shape of the bone, the fixing effect on the bone is improved, and the conical thread section is formed on the periphery of the top of the cylindrical screw, so that the conical thread section can be used for enhancing the occlusion effect on the bone, and the orthopedic implant is not easy to loosen from the bone.
For example, in order to fix the fastening top cover on the cylindrical screw, the fastening top cover is an oval sheet, a through hole 31 is formed in the middle of the fastening top cover, a threaded hole 26 is formed in the top of the cylindrical screw, and the threaded hole is correspondingly communicated with the through hole. The orthopedic implant screw further comprises a fastening nail 40 which is arranged in the through hole in a penetrating way and screwed in the threaded hole. The threaded hole is formed in the tapered threaded section, and the diameter of the tapered threaded section is gradually reduced along the direction far away from the fastening top cover. And an accommodating channel is formed in the cylindrical screw, and the top of the accommodating channel is communicated with the threaded hole. Because the orthopedic implant screw further comprises a fastening nail, the fastening top cover can be fixed on the cylindrical screw by using the fastening nail, and the cylindrical screw can be rotated by continuously screwing the fastening nail, so that the cylindrical screw enters the bone.
For example, to facilitate driving the barrel screw, the threaded tip portion is provided with three drainage holes that are evenly spaced around the axis of the barrel screw. The three drainage holes are communicated with the accommodating channel, and the diameter of each drainage hole is smaller than that of the accommodating channel. The fastening top cover is concavely provided with a containing groove (not shown), and the through hole is arranged on the bottom surface of the containing groove. The containing groove is a circular groove, the diameter of the circular groove is larger than that of the through hole, and a driving slot is formed in the periphery of the containing groove. A straight barrel thread section 25 is formed in the middle of the barrel-shaped screw, and two opposite ends of the straight barrel thread section are respectively connected with the conical thread section and the thread tip portion. Because the fastening top cover is concavely provided with the containing groove, and the periphery of the containing groove is provided with the driving slot, the fastening top cover can be driven to rotate by a screwdriver and the like conveniently, and finally the cylindrical screw can be driven to rotate.
For example, especially important, in order to facilitate cleaning of the orthopedic implant screw of the ultrasonic scalpel, the method for preparing the orthopedic implant further includes cleaning the orthopedic implant screw by a cleaning mechanism, the cleaning mechanism includes a cleaning box and an inclined nozzle, the cleaning box includes a box body and a cover body rotatably disposed on the box body, a support net is disposed at the bottom of the box body, an arc-shaped receiving groove is disposed on the support net, a plurality of pressing blocks are disposed at the bottom of the support net, the arc-shaped receiving groove is used for receiving the orthopedic implant screw, a sterilization liquid storage body is disposed at the bottom of the box body, the sterilization liquid storage body includes a receiving bag and a liquid absorption body, an absorption cavity is formed in the receiving bag, the liquid absorption body is disposed in the absorption cavity, the liquid absorption body includes an upper connection layer, a lower connection layer and a liquid absorption structure disposed between the upper connection layer and the lower connection layer, the upper connecting layer and the lower connecting layer are respectively connected with the upper side and the lower side of the accommodating bag, a plurality of elastic pressure springs are arranged in the liquid absorbing body, each elastic pressure spring penetrates through the liquid absorbing structure, two opposite ends of each elastic pressure spring are respectively fixed on the upper connecting layer and the lower connecting layer, a plurality of injection micropores are formed in the top of the accommodating bag, when the box body is sealed by the cover body, the cover body can extrude the orthopedic implant screw, the supporting net can extrude the sterilization liquid storage body through the plurality of pressing blocks, sterilization liquid in the absorption liquid in the sterilization liquid storage body can be sprayed onto the orthopedic implant screw through the plurality of injection micropores, and therefore sterilization operation of the orthopedic implant screw is implemented. After the cover body is opened, liquid sprayed out of the liquid absorbing body flows back to the bottom of the box body, the elastic compression springs stretch, the size of the liquid absorbing body is further enlarged, the liquid absorbing body can absorb sterilizing liquid again through the spraying micropores, sediment at the bottommost part of the box body cannot enter the spraying micropores due to the position relationship, the reabsorption purity of the sterilizing liquid is improved, and accordingly next sterilization and disinfection of the orthopedic implant screw are facilitated.
For example, referring to fig. 2, the inclined nozzle is disposed on the cover body, a magnetic element 50 is further disposed on the cover body, the magnetic element is configured to adsorb the orthopedic implant screw, when the cover body is rotated and opened relative to the box body, the magnetic element on the cover body adsorbs the cutter body to separate from the box body, the inclined nozzle 51 is connected to a water jet pump 53, and the water jet pump sprays water onto the orthopedic implant screw through the inclined nozzle, so as to flush away the sterilization liquid and the pollutants on the orthopedic implant screw, thereby achieving automatic cleaning of the orthopedic implant screw. For example, the slope shower nozzle set up in the magnetism is inhaled the body and is deviated from one side that screw was implanted to orthopedics, seted up a plurality of inclined hole 501 in the magnetism is inhaled, the extending direction of inclined hole is relative screw slope setting is implanted to orthopedics, magnetism orientation the recessed groove of dodging that is equipped with in surface that screw was implanted to orthopedics, a plurality of inclined hole link up dodge the bottom surface in groove the slope shower nozzle pass through a plurality of inclined hole to when screw water spray was implanted to orthopedics, spun rivers can concentrate on dodge in the groove. In order to let the rivers that dodge in the groove go, the concave a plurality of water drainage tank that are equipped with in surface of the magnetism body, a plurality of water drainage tank all with dodge the groove intercommunication and all link up the tip of the magnetism body is through setting up a plurality of water drainage tank, thereby make dodge the rivers in the inslot and can flow. For example, the cover is provided with a plurality of outflow holes for discharging water flowing out to the cover. The water spray pump is arranged on the cover body, connected with the inclined spray head through a first water pipe and connected with an external water source through a second water pipe. In order to facilitate the complete cleaning of the orthopedic implant screw, the orthopedic implant screw can be manually turned and adsorbed on the magnetic attraction body.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A method of making an orthopedic implant, comprising the steps of:
forming a cylindrical screw through an extrusion process, wherein the cylindrical screw comprises a top part and a bottom part which are oppositely arranged, a tapered thread section is formed on the periphery of the top part, and a thread tip part is formed at the bottom part;
fixing a curved fastening top cover on the top of the cylindrical screw to form the orthopedic implant screw, wherein the fastening top cover is an oval sheet body, a through hole is formed in the middle of the fastening top cover, a threaded hole is formed in the top of the cylindrical screw, the threaded hole is correspondingly communicated with the through hole, the orthopedic implant screw further comprises a fastening nail, the fastening nail is arranged in the through hole in a penetrating manner and screwed in the threaded hole, the threaded hole is formed in the tapered threaded section, the diameter of the tapered threaded section is gradually reduced along the direction far away from the fastening top cover, a driving groove is formed at the head of the fastening nail, an accommodating channel is formed in the cylindrical screw, the top of the accommodating channel is communicated with the threaded hole, three drainage holes are formed at the tip of the threaded section, and the three drainage holes are uniformly arranged around the axis of the cylindrical screw at intervals, the three drainage holes are communicated with the containing channel, the diameter of each drainage hole is smaller than that of the containing channel, an accommodating groove is concavely arranged on the fastening top cover, the through hole is formed in the bottom surface of the accommodating groove, the accommodating groove is a circular groove, the diameter of the circular groove is larger than that of the through hole, a driving narrow groove is formed in the periphery of the accommodating groove, a straight-barrel threaded section is formed in the middle of the barrel-shaped screw, and two opposite ends of the straight-barrel threaded section are respectively connected with the conical threaded section and the threaded tip part;
the orthopedic implant screw cleaning device is characterized in that a cleaning mechanism is adopted to clean the orthopedic implant screw, the cleaning mechanism comprises a cleaning box and an inclined spray head, the cleaning box comprises a box body and a cover body which is rotatably arranged on the box body, a supporting net is arranged at the bottom of the box body, an arc-shaped containing groove is arranged on the supporting net, a plurality of pressing blocks are arranged at the bottom of the supporting net, the arc-shaped containing groove is used for containing the orthopedic implant screw, a sterilization liquid storage body is arranged at the bottom of the box body, the sterilization liquid storage body comprises a containing bag and a liquid absorbing body, an absorbing cavity is formed in the containing bag, the liquid absorbing body is arranged in the absorbing cavity and comprises an upper connecting layer, a lower connecting layer and a liquid absorbing structure arranged between the upper connecting layer and the lower connecting layer, and the upper connecting layer and the lower connecting layer are respectively connected with the upper side and the, a plurality of elastic pressure springs are arranged in the liquid suction body, each elastic pressure spring penetrates through the liquid suction structure, two opposite ends of each elastic pressure spring are respectively fixed on the upper connecting layer and the lower connecting layer, a plurality of injection micropores are formed in the top of the containing bag, when the box body is sealed by the cover body, the cover body can extrude the orthopedic implant screw and enables the supporting net to extrude the sterilization liquid storage body through the plurality of pressing blocks, so that the sterilization liquid in the absorption liquid in the sterilization liquid storage body can be injected onto the orthopedic implant screw through the plurality of injection micropores to perform sterilization operation on the orthopedic implant screw, the inclined spray head is arranged on the cover body, a magnetic suction body is further arranged on the cover body and used for adsorbing the orthopedic implant screw, and the inclined spray head is connected with a water spray pump, the inclined nozzle is arranged on one side, away from the orthopedic implant screw, of the magnetic suction body, a plurality of inclined holes are formed in the magnetic suction body, the extending direction of the inclined holes is obliquely arranged relative to the orthopedic implant screw, an avoiding groove is concavely formed in the surface, facing the orthopedic implant screw, of the magnetic suction body, the inclined holes penetrate through the bottom surface of the avoiding groove, a plurality of drainage grooves are concavely formed in the surface of the magnetic suction body, and the drainage grooves are communicated with the avoiding groove and penetrate through the end portion of the magnetic suction body;
the water spray pump is arranged on the cover body, connected with the inclined spray head through a first water pipe and connected with an external water source through a second water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001783.4A CN110584768A (en) | 2018-08-14 | 2018-08-14 | Preparation method of orthopedic implant |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810924474.3A CN109363759B (en) | 2018-08-14 | 2018-08-14 | The preparation method of orthopaedics implant |
| CN201911001783.4A CN110584768A (en) | 2018-08-14 | 2018-08-14 | Preparation method of orthopedic implant |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810924474.3A Division CN109363759B (en) | 2018-08-14 | 2018-08-14 | The preparation method of orthopaedics implant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110584768A true CN110584768A (en) | 2019-12-20 |
Family
ID=65404401
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810924474.3A Active CN109363759B (en) | 2018-08-14 | 2018-08-14 | The preparation method of orthopaedics implant |
| CN201911001783.4A Withdrawn CN110584768A (en) | 2018-08-14 | 2018-08-14 | Preparation method of orthopedic implant |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810924474.3A Active CN109363759B (en) | 2018-08-14 | 2018-08-14 | The preparation method of orthopaedics implant |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109363759B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2594219B1 (en) * | 2011-11-16 | 2016-01-13 | Stryker Trauma GmbH | Surgical screw rack |
| CN205386180U (en) * | 2016-02-29 | 2016-07-20 | 苏州苏南捷迈得医疗器械有限公司 | Hollow reinforcement screw of orthopedic implant |
| CN108355146A (en) * | 2018-05-15 | 2018-08-03 | 洪春香 | Orthopedic fixation screw disinfection box and orthopaedic screw sterilization method |
-
2018
- 2018-08-14 CN CN201810924474.3A patent/CN109363759B/en active Active
- 2018-08-14 CN CN201911001783.4A patent/CN110584768A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN109363759B (en) | 2019-11-22 |
| CN109363759A (en) | 2019-02-22 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20191220 |