CN107736926B - Distal radius palmar locking bone fracture plate - Google Patents
Distal radius palmar locking bone fracture plate Download PDFInfo
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- CN107736926B CN107736926B CN201711232517.3A CN201711232517A CN107736926B CN 107736926 B CN107736926 B CN 107736926B CN 201711232517 A CN201711232517 A CN 201711232517A CN 107736926 B CN107736926 B CN 107736926B
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- hole
- bone fracture
- fracture plate
- plate body
- head
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- 208000010392 Bone Fractures Diseases 0.000 title claims abstract description 70
- 210000000988 bone and bone Anatomy 0.000 description 34
- 206010017076 Fracture Diseases 0.000 description 14
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 208000006735 Periostitis Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000035876 healing Effects 0.000 description 4
- 210000003460 periosteum Anatomy 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000008733 trauma Effects 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 241000237509 Patinopecten sp. Species 0.000 description 2
- 206010037802 Radius fracture Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000020637 scallop Nutrition 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001364 upper extremity 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
- A61B17/8057—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8052—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
-
- 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
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
Landscapes
- 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)
Abstract
The invention relates to a radius distal end palmar locking bone fracture plate, which comprises a plate-shaped bone fracture plate body, wherein the lower side surface of the bone fracture plate body is attached to the radius palmar surface, the bone fracture plate body comprises a head and a body part integrally formed with the head, the head is bent upwards, the bone fracture plate body is provided with a smooth edge, the head is provided with at least four universal locking screw holes, each universal locking screw hole is not in a straight line, the maximum angulation of the universal locking screw holes in all directions away from an axle center is 15 degrees, the bone fracture plate has the advantages of accurate anatomical design, more attachment to fracture parts, fixation stability and shortened treatment time.
Description
Technical Field
The invention relates to a fixing device for treating fracture, in particular to a distal radius palmar locking bone fracture plate.
Background
Distal radius fractures are the most common fractures of the upper limbs, and for distal radius fractures with displacement and comminuted fractures, surgical fixation treatment by using a steel plate is required. The bone fracture plate for internal fixation of orthopaedics in clinic mainly comprises a locking steel plate and screws. Only one angle can be fixed between the locking steel plate and the screw, so that the locking steel plate and the screw are not easy to adjust to the optimal position. In order for a locking screw implanted in bone to have an optimal fixation effect, it is required that the locking screw must be implanted in a specific direction into the bone. Because of the difference of fracture broken parts and the difference of bone shapes among different individuals, in clinical application, the bone fracture plate has the contradiction that the implantation direction set between the locking steel plate and the locking screw is inconsistent with the optimal implantation direction, the operation effect is affected, the success rate of the operation is reduced, and the pain of patients is aggravated.
Disclosure of Invention
The invention aims to provide a distal radius palmar locking bone fracture plate which is attached to a fracture part and does not influence the operation effect.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows: the utility model provides a radius distal end palm side locking bone fracture plate, includes platelike bone fracture plate body, the downside and the laminating of radius palm side surface of bone fracture plate body, bone fracture plate body includes head and the integrative body that constitutes with the head, the head is crooked upwards, bone fracture plate body has smooth edge.
The invention relates to a radius distal end palmar locking bone fracture plate, wherein the head is provided with at least four universal locking screw holes, each universal locking screw hole is not on a straight line, and the maximum angulation of the universal locking screw arranged in each universal locking screw hole in each direction away from the axis is 15 degrees.
The invention relates to a distal radius palmar locking bone fracture plate, wherein the head of a bone fracture plate body is provided with a fan-shaped hole, and double columns are formed on two sides of the fan-shaped hole.
The invention relates to a distal radius palmar locking bone fracture plate, wherein the body is provided with at least one lengthened combining hole and a plurality of combining holes along the length direction of the body, and the lengthened combining hole is positioned between a fan-shaped hole and the combining hole.
The invention discloses a radius distal palm side locking bone fracture plate, wherein a universal locking screw hole comprises an upper spherical hole, a conical screw hole and a lower spherical hole which are sequentially connected, the radius of the upper spherical hole is larger than that of the lower spherical hole, and the section of the conical screw hole is zigzag.
The invention discloses a radius distal palm locking bone fracture plate, wherein the lengthened joint hole is formed by intersecting a threaded through hole and a non-threaded through hole, and the threaded through hole of the lengthened joint hole comprises a spherical hole and a conical hole connected with the spherical hole.
The invention relates to a radius distal palm side locking bone fracture plate, wherein the combination hole is formed by intersecting a threaded through hole and a non-threaded through hole, the cross section of the threaded through hole of the combination hole is triangular, and the non-threaded through hole of the combination hole comprises a spherical hole and a cylindrical hole connected with the spherical hole.
The invention discloses a distal radius palmar locking bone fracture plate, wherein a Kirschner wire hole is formed in a bone fracture plate body, and the diameter of the Kirschner wire hole is slightly larger than that of a Kirschner wire.
The invention relates to a radius distal end palmar locking bone fracture plate, wherein the angle formed by the left end face of a bone fracture plate body and the upper side face of a head is 45 degrees, and the angle formed by the right end face of the bone fracture plate body and the upper side face of the body is 22.5 degrees.
The invention relates to a distal radius palmar locking bone fracture plate, wherein a plurality of non-contact grooves are formed in the edge of the lower side face of a body of a bone fracture plate body, and the non-contact grooves are uniformly distributed along the edge of the lower side face of the body.
After the technical scheme is adopted, compared with the prior art, the radius distal palm side locking bone fracture plate has the advantages that the head is bent upwards, the bone fracture plate is arc-shaped, but not straight, the lower side surface of the bone fracture plate body is attached to the palm side surface of the radius, the bone fracture plate has accurate anatomical design, the fracture part is attached to the bone fracture part, the influence on blood vessels, periosteum, nerves and tendons during and after operation is small, better healing of fracture can be promoted, and the treatment time is shortened. The highly polished smooth edge may be near the palmar side ridge, reducing soft tissue irritation. The double-column fixing structure increases the stability of the steel plate, and meanwhile, the bone fracture plate body is provided with a fan-shaped hole, so that the periosteum is prevented from being pressed and the blood circulation is prevented from being influenced. The k-wire hole is used for temporary fixation of the bone plate. The LCP lengthened combining hole arranged on the body is used for adjusting the position of the bone fracture plate, the head is provided with four universal locking screw holes, the maximum angulation of the universal locking screw in all directions away from the axis is 15 degrees, and the bone fracture plate can be suitable for fracture treatment under more conditions.
The distal radius palmar locking bone fracture plate of the invention has the following advantages: anatomical reduction: the application of the universal locking technique provides the flexibility of the trajectory of the locking screw away from the central axis of the bone plate, allowing fixation of a particular fracture block, and the adjustable screw angle provides fixation options for a range of fracture types to achieve complete anatomic reduction. (II) stable fixation: the universal locking screw may create a locking structure that provides angular stability. (III) protecting blood supply: the limited contact bone plate design reduces bone plate and bone contact, limiting vascular trauma, and in addition, the locking bone plate does not require intimate contact with the bone. (IV) early proactive activity: accelerating and creating bone healing environment and accelerating recovery to ideal function.
The distal radius palmar locking bone plate of the present invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view in cross-section of a distal radius palmar locking plate of the present invention;
FIG. 2 is a schematic view of the bottom view of the distal radius palmar locking plate of the present invention;
FIG. 3 is a schematic top view of the distal radius palmar locking plate of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of the portion I of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 7 is an enlarged view of M in FIG. 3;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;
fig. 9 is an enlarged view of N in fig. 9;
FIG. 10 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 11 is a left side view of FIG. 3;
FIG. 12 is a schematic view of the maximum angle of the universal locking screw within the universal locking screw hole when the distal radius palmar locking bone plate of the present invention is in use.
Detailed Description
Referring to fig. 1 to 3 and 11, the distal radius palmar locking bone plate of the present invention comprises a plate-shaped bone plate body 1, wherein the lower side surface of the bone plate body 1 is attached to the palmar surface of the radius, the bone plate body 1 comprises a head 11 and a body 12 integrally formed with the head 11, the head 11 is bent upward, and the bone plate body 1 has a smooth edge 13. As shown in fig. 2, the head 11 of the bone plate body is provided with a scallop 112, and two sides of the scallop 112 form a double post 113. As shown in fig. 2 and 3, the bone plate body 1 is provided with a k-pin hole 14, the diameter of the k-pin hole 14 is slightly larger than that of the k-pin, and the body 12 is provided with an elongated combining hole 121 and three combining holes 122 along the length direction thereof, and the elongated combining hole 121 is located between the fan-shaped hole 112 and the combining holes 122. Of course, the size and number of the combining holes can be adjusted.
As shown in fig. 2,3, and 7 to 9, the head 11 is provided with at least four universal locking screw holes 111, six universal locking screw holes 111 are provided in this embodiment, each universal locking screw hole 111 is not on a straight line, the universal locking screw hole 111 includes an upper spherical hole 1111, a tapered screw hole 1112, and a lower spherical hole 1113 which are sequentially connected, the radius of the upper spherical hole 1111 is larger than the radius of the lower spherical hole 1113, the cross section of the tapered screw hole 1112 is zigzag, and the maximum angle of the universal locking screw 111' provided in the universal locking screw hole 111 in each direction away from the axis is 15 ° as shown in fig. 12.
As shown in fig. 2 and 3 in combination, the elongated combination hole 121 is formed by intersecting a threaded through hole 1211 and an unthreaded through hole 1212, and the threaded through hole 1211 of the elongated combination hole 121 includes a spherical hole and a tapered hole connected to the spherical hole.
As shown in fig. 4 to 6, the coupling hole 122 is formed by intersecting a threaded through hole 1221 and an unthreaded through hole 1222, the threaded through hole 1221 of the coupling hole 122 has a triangular cross section, and the unthreaded through hole 1222 of the coupling hole 122 includes a spherical hole 12221 and a cylindrical hole 12222 connected to the spherical hole 12221.
As shown in fig. 1, the angle a formed by the left end face of the bone plate body 1 and the upper side face of the head 11 is 45 °, and the angle b formed by the right end face of the bone plate body 1 and the upper side face of the body 12 is 22.5 °.
As shown in fig. 2, the lower side edge of the body 12 of the bone plate body 1 is provided with a plurality of non-contact grooves 123, and the plurality of non-contact grooves 123 are uniformly arranged along the lower side edge of the body 12. The design of the sector holes and the non-contact grooves can reduce the contact area of the bone fracture plate and bones and reduce vascular trauma.
When the distal radius palm locking bone fracture plate is used for operation, after fracture reduction, the bone fracture plate is temporarily fixed by means of a Kirschner wire and a Kirschner wire hole, and after drilling, the screw matched with the bone fracture plate is implanted and locked and fixed.
The distal radius palmar locking bone fracture plate has accurate anatomical design, is more attached to a fracture part, has small influence on blood vessels, periosteum, nerves and tendons during and after operation, can promote better healing of fracture, and shortens treatment time. The highly polished smooth edge may be near the palmar side ridge, reducing soft tissue irritation. The double columns are fixed, so that the stability of the steel plate is improved, and meanwhile, the fan-shaped holes are formed in the middle of the double columns, so that the periosteum is prevented from being pressed, and the blood circulation is prevented from being influenced. The two small holes are Ke shi pinholes and are used for temporary fixation of the bone fracture plate. The LCP elongated engaging holes 121 are used for bone plate position adjustment. The head is provided with four universal locking screw holes which allow the universal locking screw to be angled at a maximum of 15 degrees in all directions away from the axis. The universal locking screw can be used for fixing the styloid process of the radius and supporting the joint surface of the lunar bone and the lower ulnar joint.
The radial distal palm side locking bone plate can provide the track flexibility of the locking screw deviating from the central axis of the bone plate by applying the universal locking technology, thereby allowing the fixation of special fracture blocks, and the adjustable screw angle can provide fixation selection for a series of fracture types so as to achieve complete anatomic reduction; the universal locking screw may create a locking structure providing angular stability; the limited contact bone plate design reduces bone plate and bone contact, limiting vascular trauma, and in addition, the locking bone plate does not require intimate contact with the bone. Can actively move in early stage, accelerate and create bone healing environment and accelerate recovery to ideal functions.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (1)
1. The utility model provides a distal radius palm side locking bone fracture plate, includes platelike bone fracture plate body (1), its characterized in that: the lower side surface of the bone fracture plate body (1) is attached to the lateral surface of the radius palm, the bone fracture plate body (1) comprises a head (11) and a body part (12) integrally formed with the head (11), the head (11) is bent upwards, and the bone fracture plate body (1) is provided with a smooth edge (13);
The head (11) is provided with at least four universal locking screw holes (111), each universal locking screw hole (111) is not in a straight line, and the maximum angulation of the universal locking screw arranged in the universal locking screw hole (111) in each direction away from the axle center is 15 degrees;
the head (11) of the bone fracture plate body is provided with a fan-shaped hole (112), and double columns (113) are formed on two sides of the fan-shaped hole (112);
The body (12) is provided with at least one lengthened combining hole (121) and a plurality of combining holes (122) along the length direction, and the lengthened combining hole (121) is positioned between the fan-shaped hole (112) and the combining holes (122);
The universal locking screw hole (111) comprises an upper spherical hole (1111), a conical threaded hole (1112) and a lower spherical hole (1113) which are sequentially connected, the radius of the upper spherical hole (1111) is larger than that of the lower spherical hole (1113), and the section of the conical threaded hole (1112) is zigzag;
The lengthened combining hole (121) is formed by intersecting a threaded through hole (1211) and an unthreaded through hole (1212), and the threaded through hole (1211) of the lengthened combining hole (121) comprises a spherical hole and a conical hole connected with the spherical hole;
The combination hole (122) is formed by intersecting a threaded through hole (1221) and a non-threaded through hole (1222), the cross section of the threaded through hole (1221) of the combination hole (122) is triangular, and the non-threaded through hole (1222) of the combination hole (122) comprises a spherical hole (12221) and a cylindrical hole (12222) connected with the spherical hole (12221);
The angle formed by the left end face of the bone fracture plate body (1) and the upper side face of the head part (11) is 45 degrees, and the angle formed by the right end face of the bone fracture plate body (1) and the upper side face of the body part (12) is 22.5 degrees;
The bone fracture plate is characterized in that a plurality of non-contact grooves (123) are formed in the lower side edge of the body (12) of the bone fracture plate body (1), and the non-contact grooves (123) are uniformly distributed along the lower side edge of the body (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232517.3A CN107736926B (en) | 2017-11-30 | 2017-11-30 | Distal radius palmar locking bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711232517.3A CN107736926B (en) | 2017-11-30 | 2017-11-30 | Distal radius palmar locking bone fracture plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107736926A CN107736926A (en) | 2018-02-27 |
| CN107736926B true CN107736926B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711232517.3A Active CN107736926B (en) | 2017-11-30 | 2017-11-30 | Distal radius palmar locking bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107736926B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420520B (en) * | 2018-04-08 | 2024-04-09 | 苏州市康力骨科器械有限公司 | Minimally invasive locking guide bone fracture plate |
| CN109965965A (en) * | 2019-03-06 | 2019-07-05 | 无锡市闻泰百得医疗器械有限公司 | A kind of universal bone plate of radius |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201759658U (en) * | 2010-01-15 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Distal-radius palmar-locking bone fracture plate |
| CN202060854U (en) * | 2011-04-11 | 2011-12-07 | 天津市康利民医疗器械有限公司 | Bone fracture plate with combination locking holes |
| CN202960729U (en) * | 2012-12-25 | 2013-06-05 | 常州迪恩医疗器械有限公司 | Distal radius universal locking bone plate |
| CN209377709U (en) * | 2017-11-30 | 2019-09-13 | 苏州欣荣博尔特医疗器械有限公司 | Distal-radius palmar-locking bone fracture plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9220549B2 (en) * | 2011-09-27 | 2015-12-29 | Steven Glickel | Distal radius volar locking plate with extension for ulnar volar fragment |
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2017
- 2017-11-30 CN CN201711232517.3A patent/CN107736926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201759658U (en) * | 2010-01-15 | 2011-03-16 | 北京理贝尔生物工程研究所有限公司 | Distal-radius palmar-locking bone fracture plate |
| CN202060854U (en) * | 2011-04-11 | 2011-12-07 | 天津市康利民医疗器械有限公司 | Bone fracture plate with combination locking holes |
| CN202960729U (en) * | 2012-12-25 | 2013-06-05 | 常州迪恩医疗器械有限公司 | Distal radius universal locking bone plate |
| CN209377709U (en) * | 2017-11-30 | 2019-09-13 | 苏州欣荣博尔特医疗器械有限公司 | Distal-radius palmar-locking bone fracture plate |
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| Publication number | Publication date |
|---|---|
| CN107736926A (en) | 2018-02-27 |
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