CN111329568A - Flexible combined fixing device for spine - Google Patents
Flexible combined fixing device for spine Download PDFInfo
- Publication number
- CN111329568A CN111329568A CN202010257227.XA CN202010257227A CN111329568A CN 111329568 A CN111329568 A CN 111329568A CN 202010257227 A CN202010257227 A CN 202010257227A CN 111329568 A CN111329568 A CN 111329568A
- Authority
- CN
- China
- Prior art keywords
- fixing
- nail
- connecting rods
- ear
- lugs
- 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.)
- Granted
Links
Images
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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- 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
- A61B17/8605—Heads, i.e. proximal ends projecting from bone
- A61B17/861—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver
- A61B17/862—Heads, i.e. proximal ends projecting from bone specially shaped for gripping driver at the periphery of the screw head
-
- 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
- A61B17/8625—Shanks, i.e. parts contacting bone tissue
-
- 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
Abstract
The invention relates to a flexible combined fixing device for a spine. According to the invention, each fixing nail can be connected with two connecting rods, so that the connection mode between the adjacent fixing nails is very stable, and the connection among a plurality of fixing nails is relatively flexible, so that the fixing nail is more suitable for the recovery after the actual spine operation. The two connecting rods are connected with the fixing nails, but certain elasticity and flexibility exist between the two connections, and if a spaced connection mode is selected, namely a mode that the three fixing nails are connected by the two connecting rods, certain flexibility can be ensured; if the mode that two adjacent staple are connected by two connecting rods is selected, the steadiness of connecting can be increased, the intensity demand of each connecting rod is reduced to can relax to the material selection and the volume etc. of connecting rod.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a flexible combined fixing device for a spine.
Background
Scoliosis, commonly referred to as scoliosis, is a three-dimensional deformity of the spine that includes sequence abnormalities in the coronal, sagittal, and axial positions. The normal human spine should be a straight line as viewed from the back, and the torso is bilaterally symmetrical. A severe scoliosis may affect the growth and development of infants and teenagers, deform the body, and severely affect the cardio-pulmonary function and even involve the spinal cord, resulting in paralysis. Mild scoliosis can be observed and severe ones require surgical treatment. Scoliosis is a common disease which endangers adolescents and children, and the key is early discovery and early treatment. The heavier scoliosis requires corrective surgery, which requires fixation of the spine.
CN202942196U discloses a flexible spinal fixation device, which comprises a fine adjustment knob, a flexible segment, a positioning upper screw, a connection cross bar and a locking screw. Two locking screw of same form are a main part spare of flexible fixing device of spine, locking screw's lower part is the screw rod, is provided with the screw thread on the screw rod, and locking screw's upper end is the screw end, and the screw end is provided with horizontal through-hole, passes the through-hole on two locking screw, is provided with the connection horizontal pole, and the section placed in the middle of connecting the horizontal pole sets up to the flexible section, is provided with the fine setting knob at the both ends of connecting the horizontal pole. Can provide long-term durability and stability for spinal flexible fixation.
The existing spinal fixation devices are all rigid fixed connection, but in actual use, because the connection between spinal bone blocks needs to have certain elasticity, the pure rigid connection is slow in recovery on one hand, and discomfort of a patient is strong in actual use on the other hand.
Disclosure of Invention
In view of the above, in order to solve the above problems, there is provided a flexible combined fixing device for a spine, comprising fixing nails and connecting rods:
the number of the fixing nails and the number of the connecting rods are multiple, each fixing nail comprises a nail body and a nail head, the nail body is used for being nailed into the vertebra, and the nail head is used for fixing the connecting rods; the connecting rod comprises a head end and a tail end, and the shapes of the head end and the tail end are consistent; the two fixing nails can be fixedly connected with the head end and the tail end of one connecting rod, and each nail head can fix at most two connecting rods at one time;
the connecting rods can be independently locked at the positions of the two connecting rods connected on each fixing nail, and the positions of the two connecting rods connected on the single fixing nail are flexibly connected.
The nail body is nail-shaped, and the peripheral wall is provided with threads which can be screwed into the vertebra; one end of the nail body is provided with a nail head which comprises a nail head seat, a first fixing part and a second fixing part; the nail head seat and the nail body are integrally formed, and the axial diameter of the nail head seat is larger than that of the nail body; the nail head seat is provided with a first fixing part, the first fixing part is two first lugs which protrude from the edge of the nail head seat along the axial direction of the nail head seat, a connecting rod can be inserted between the two first lugs in a way of being perpendicular to the axial direction of the fixing nail, namely, the distance between the two first lugs is greater than the diameter of the connecting rod; the threads are arranged between the two first lugs and can be screwed into the first fixing blocks along the axial direction of the fixing nails, and the first fixing blocks are used for pressing the connecting rods inserted between the first lugs.
The top of the first fixing part is provided with a second fixing part, the second fixing part consists of two second ears which are arranged in the same direction as the first ears, each second ear is connected to one first ear, and the tops of the two second ears are fixedly connected, so that the tops of the two second ears form a complete circular ring; the connecting rod can be inserted between the two second ears; a second fixing block and a third fixing block can be screwed between the two second lugs, and the second fixing block and the third fixing block are used for pressing the connecting rod inserted between the second lugs;
an I-shaped connecting block is arranged between the second lug and the first lug, and the section of the I-shaped connecting block is I-shaped; the first ear is fixedly connected with the bottom edge of the I-shaped block, the bottom of the second ear is provided with an accommodating cavity capable of accommodating the top of the I-shaped block, and the size of the accommodating cavity can be adjusted by adjusting a screw at the top of the second ear, so that the I-shaped block and the second ear can be connected in a loose manner, and the mutual movement range of the I-shaped block and the second ear can be adjusted.
An elastic material is disposed between the first ear and the second ear and the elastic material encases the block, thereby providing flexibility in the relative movement of the second ear and the first ear.
The other end of the connecting rod inserted between the first lug and the second lug is connected with different fixing nails respectively, so that the three fixing nails are connected by the two connecting rods.
The same staple is connected respectively to the other end of the connecting rod that inserts between the first ear and the second ear to make and be connected by two connecting rods between two staples, increase stability.
According to the invention, each fixing nail can be connected with two connecting rods, so that the connection mode between the adjacent fixing nails is very stable, and the connection among a plurality of fixing nails is relatively flexible, so that the fixing nail is more suitable for the recovery after the actual spine operation.
The two connecting rods are connected with the fixing nails, but certain elasticity and flexibility exist between the two connections, and if a spaced connection mode is selected, namely a mode that the three fixing nails are connected by the two connecting rods, certain flexibility can be ensured; if select two adjacent staple by the mode that two connecting rods are connected, then can increase the steadiness of connecting, reduce the intensity demand of each connecting rod to can all relax to the material selection and the volume etc. of connecting rod, and not tie between the staple of different groups, make the postoperative resume more comfortable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings illustrate the implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and various modes of practicing the same.
FIG. 1 is a schematic view of a staple and connecting rod of the present invention;
FIG. 2 is a schematic view of the head of the staple;
fig. 3 is a schematic view of different connection modes of the fixing nail and the connecting rod of the invention.
Detailed Description
The advantages, features and methods of accomplishing the same will become apparent from the drawings and the detailed description that follows.
Example 1:
a flexible combined fixing device for a spine comprises fixing nails 1 and a connecting rod 2:
the number of the fixing nails 1 and the number of the connecting rods 2 are multiple, each fixing nail 1 comprises a nail body 3 and a nail head 4, the nail body 3 is used for being nailed into the vertebra, and the nail head 4 is used for fixing the connecting rods 2; the connecting rod 2 comprises a head end and a tail end, and the shapes of the head end and the tail end are consistent; the two fixing nails 1 can be fixedly connected with the head end and the tail end of one connecting rod 2, and each nail head 4 can fix at most two connecting rods 2 at one time;
the connecting rods 2 can be independently locked at the positions of the two connecting rods 2 connected on each fixing nail 1, and the positions of the two connecting rods 2 connected on the single fixing nail 1 are flexibly connected.
The nail body 3 is nail-shaped, and the peripheral wall is provided with threads which can be screwed into the vertebra; one end of the nail body 3 is provided with a nail head 4, and the nail head 4 comprises a nail head seat 41, a first fixing part 42 and a second fixing part 43; the nail head seat 41 and the nail body 3 are integrally formed, and the axial diameter of the nail head seat is larger than that of the nail body 3; the nail head seat 41 is provided with a first fixing part 42, the first fixing part 42 is two first lugs 44 which protrude from the edge of the nail head seat 41 along the axial direction of the nail head seat 41, the two first lugs 44 can be inserted into the connecting rod 2 perpendicular to the axial direction of the fixing nail 1, namely, the distance between the two first lugs 44 is greater than the diameter of the connecting rod 2; threads are arranged between the two first lugs 44, and can be screwed into a first fixing block 45 along the axial direction of the fixing nail 1, and the first fixing block 45 is used for pressing the connecting rod 2 inserted between the first lugs 44.
The second fixing part 43 is arranged on the top of the first fixing part 42, the second fixing part 43 is composed of two second ears 46 which are arranged in the same direction as the first ears 44, each second ear 46 is connected to one first ear 44, and the tops of the two second ears 46 are fixedly connected, so that the tops of the two second ears 46 form a complete circle; the connecting rod 2 can be inserted between the two second ears 46; a second fixing block 47 and a third fixing block 48 can be screwed between the two second lugs 46, and the second fixing block 47 and the third fixing block 48 are used for pressing the connecting rod 2 inserted between the second lugs 46;
an I-shaped connecting block 49 is arranged between the second lug 46 and the first lug 44, and the section of the I-shaped connecting block 49 is I-shaped; the first ear 44 is fixedly connected to the bottom edge of the i-shaped block, the bottom of the second ear 46 is provided with a receiving cavity for receiving the top of the i-shaped block, and the size of the receiving cavity can be adjusted by adjusting the screw 50 at the top of the second ear 46, so that the i-shaped block and the second ear 46 can be connected loosely and the extent of mutual movement can be adjusted.
An elastic material is disposed between the first ear 44 and the second ear 46 and encases the block, thereby providing resiliency to the movement of the second ear 46 and the first ear 44 relative to each other.
The other ends of the connecting rods 2 inserted between the first lugs 44 and the connecting rods 2 inserted between the second lugs 46 are respectively connected with different fixing nails 1, so that the three fixing nails 1 are connected by the two connecting rods 2.
The other ends of the connecting rods 2 inserted between the first lugs 44 and the connecting rods 2 inserted between the second lugs 46 are respectively connected with the same fixing nails 1, so that the two fixing nails 1 are connected by the two connecting rods 2, and the stability is improved.
Example 2:
this embodiment introduces a simple method of use:
when the fixing nail is used, the hole is drilled in the vertebra, then the fixing nail is placed in the hole, and other operations before the fixing nail is placed in the hole are not described again;
after the fixing nails are placed in the fixing holes, the fixing nails and the vertebra are stably connected, then a connecting rod is inserted between two adjacent fixing nails, and the connecting rod is fixed by screwing in the first fixing block;
then the second fixed block is screwed in, the second connecting rod is inserted, the third fixed block is screwed in, the other ends of the connecting rods 2 inserted between the first lugs 44 and the second lugs 46 are respectively connected with different fixing nails 1, so that the three fixing nails 1 are connected with each spinal bone by the way of connecting the two connecting rods 2, and therefore the adjacent spinal bones are stably and fixedly connected, and the adjacent three spinal bones can slightly move to realize flexible connection, so that the connection flexibility is improved, and the fixing device is more suitable for actual use conditions and recovery conditions.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. The utility model provides a flexible combined fixing device of backbone, includes staple (1) and connecting rod (2), its characterized in that:
the number of the fixing nails (1) and the number of the connecting rods (2) are multiple, each fixing nail (1) comprises a nail body (3) and a nail head (4), the nail bodies (3) are used for being nailed into the vertebra, and the nail heads (4) are used for fixing the connecting rods (2); the connecting rod (2) comprises a head end and a tail end, and the shapes of the head end and the tail end are consistent; the two fixing nails (1) can be fixedly connected with the head end and the tail end of one connecting rod (2), and each nail head (4) can fix at most two connecting rods (2) at one time;
the connecting rods (2) can be independently locked at the positions of the two connecting rods (2) connected on each fixing nail (1), and the positions of the two connecting rods (2) connected on the single fixing nail (1) are flexibly connected.
2. The flexible modular fixture of claim 1 wherein:
the nail body (3) is in a nail shape, and the peripheral wall is provided with threads which can be screwed into the vertebra; one end of the nail body (3) is provided with a nail head (4), and the nail head (4) comprises a nail head seat (41), a first fixing part (42) and a second fixing part (43); the nail head seat (41) and the nail body (3) are integrally formed, and the axial diameter of the nail head seat is larger than that of the nail body (3); the nail head seat (41) is provided with a first fixing part (42), the first fixing part (42) is two first lugs (44) which protrude from the edge of the nail head seat (41) along the axial direction of the nail head seat (41), the two first lugs (44) can be inserted into the connecting rod (2) in a direction perpendicular to the axial direction of the fixing nail (1), namely, the distance between the two first lugs (44) is greater than the diameter of the connecting rod (2); threads are arranged between the two first lugs (44) and can be screwed into the first fixing blocks (45) along the axial direction of the fixing nail (1), and the first fixing blocks (45) are used for pressing the connecting rods (2) inserted between the first lugs (44).
3. The flexible modular fixture of claim 2 wherein:
a second fixing part (43) is arranged at the top of the first fixing part (42), the second fixing part (43) consists of two second ears (46) which are arranged in the same direction as the first ears (44), each second ear (46) is connected to one first ear (44), and the tops of the two second ears (46) are fixedly connected, so that the tops of the two second ears (46) form a complete circular ring; the connecting rod (2) can be inserted between the two second lugs (46); a second fixing block (47) and a third fixing block (48) can be screwed between the two second lugs (46), and the second fixing block (47) and the third fixing block (48) are used for pressing the connecting rod (2) inserted between the second lugs (46).
4. A flexible modular fixture as claimed in claim 3, wherein:
an I-shaped connecting block (49) is arranged between the second lug (46) and the first lug (44), and the section of the I-shaped connecting block (49) is I-shaped; the first ear (44) is fixedly connected with the bottom edge of the I-shaped block, the bottom of the second ear (46) is provided with a containing cavity which can contain the top of the I-shaped block, and the size of the containing cavity can be adjusted by adjusting a screw (50) at the top of the second ear (46), so that the I-shaped block and the second ear (46) can be connected in a loose way, and the mutual moving range can be adjusted;
an elastic material is disposed between the first ear (44) and the second ear (46), and the elastic material encases the block, thereby providing resiliency to the mutual movement of the second ear (46) and the first ear (44).
5. The flexible modular fixture of claim 4 wherein:
the other ends of the connecting rods (2) inserted between the first lugs (44) and the connecting rods (2) inserted between the second lugs (46) are respectively connected with different fixing nails (1), so that the three fixing nails (1) are connected by the two connecting rods (2).
6. The flexible modular fixture of claim 4 wherein:
the other end of the connecting rod (2) inserted between the first lug (44) and the other end of the connecting rod (2) inserted between the second lug (46) are respectively connected with the same fixing nail (1), so that the two fixing nails (1) are connected through the two connecting rods (2), and the stability is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257227.XA CN111329568B (en) | 2020-04-03 | 2020-04-03 | Flexible combined fixing device for spine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257227.XA CN111329568B (en) | 2020-04-03 | 2020-04-03 | Flexible combined fixing device for spine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111329568A true CN111329568A (en) | 2020-06-26 |
| CN111329568B CN111329568B (en) | 2023-04-11 |
Family
ID=71175114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010257227.XA Active CN111329568B (en) | 2020-04-03 | 2020-04-03 | Flexible combined fixing device for spine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111329568B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040087952A1 (en) * | 2002-10-31 | 2004-05-06 | Amie Borgstrom | Universal polyaxial washer assemblies |
| US20040111088A1 (en) * | 2002-12-06 | 2004-06-10 | Picetti George D. | Multi-rod bone attachment member |
| US20070233087A1 (en) * | 2004-07-12 | 2007-10-04 | Fridolin Schlapfer | Device for the dynamic fixation of bones |
| CN101466319A (en) * | 2006-04-24 | 2009-06-24 | 华沙整形外科股份有限公司 | Connector apparatus |
| CN102488548A (en) * | 2011-11-30 | 2012-06-13 | 上海拓腾医疗器械有限公司 | Internal fixing device and internal fixing method of vertebral columns |
| CN105078562A (en) * | 2015-03-13 | 2015-11-25 | 上海三友医疗器械有限公司 | Medical screw with connector |
| CN206044709U (en) * | 2016-02-02 | 2017-03-29 | 薛妹妹 | A kind of automatically reset pedicle nail |
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN109875669A (en) * | 2019-04-23 | 2019-06-14 | 天津正天医疗器械有限公司 | A kind of spinal fixation system |
| CN110312484A (en) * | 2017-02-10 | 2019-10-08 | 美多斯国际有限公司 | Series connection rod connector and correlation technique |
-
2020
- 2020-04-03 CN CN202010257227.XA patent/CN111329568B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040087952A1 (en) * | 2002-10-31 | 2004-05-06 | Amie Borgstrom | Universal polyaxial washer assemblies |
| US20040111088A1 (en) * | 2002-12-06 | 2004-06-10 | Picetti George D. | Multi-rod bone attachment member |
| US20070233087A1 (en) * | 2004-07-12 | 2007-10-04 | Fridolin Schlapfer | Device for the dynamic fixation of bones |
| CN101466319A (en) * | 2006-04-24 | 2009-06-24 | 华沙整形外科股份有限公司 | Connector apparatus |
| CN102488548A (en) * | 2011-11-30 | 2012-06-13 | 上海拓腾医疗器械有限公司 | Internal fixing device and internal fixing method of vertebral columns |
| CN105078562A (en) * | 2015-03-13 | 2015-11-25 | 上海三友医疗器械有限公司 | Medical screw with connector |
| CN206044709U (en) * | 2016-02-02 | 2017-03-29 | 薛妹妹 | A kind of automatically reset pedicle nail |
| CN110312484A (en) * | 2017-02-10 | 2019-10-08 | 美多斯国际有限公司 | Series connection rod connector and correlation technique |
| CN109549696A (en) * | 2017-09-27 | 2019-04-02 | 上海三友医疗器械股份有限公司 | A kind of adjustable double flute internal fixation device of spine and bone screws |
| CN109875669A (en) * | 2019-04-23 | 2019-06-14 | 天津正天医疗器械有限公司 | A kind of spinal fixation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111329568B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6275810B2 (en) | Posterior vertebra plating system | |
| US8167917B2 (en) | Apparatus and method for spine fixation | |
| EP2306914B1 (en) | Flexible spine components having a concentric slot | |
| US9468467B2 (en) | Bone support apparatus | |
| JP2016512098A (en) | Cross brace bilateral spinal rod connector | |
| CN201977917U (en) | Non-fusion elastic rod internal fixing system | |
| KR20100100764A (en) | Flexible, sliding, dynamic implant system, for selective stabilization and correction of the vertebral column deformities and instabilities | |
| JP6853607B2 (en) | Bone implant with tether band | |
| US9795413B2 (en) | Spinal fixation member | |
| CN111329568B (en) | Flexible combined fixing device for spine | |
| CN203647451U (en) | Stretching type posterior lumbar non-fusion fixing system | |
| CN205126504U (en) | Sour jujube inter -plate stabilizer | |
| CN213098543U (en) | Interspinous process fixing device | |
| CN214857920U (en) | Correction device for human spinal curvature | |
| CN101669838A (en) | Occipital screw rod connector | |
| CN203915050U (en) | A kind of vertebral arch pedicle extension device | |
| CN204765864U (en) | Universal stabilizer between matched stack formula sour jujube | |
| CN209332231U (en) | A kind of orthopedic spinal apparatus for correcting | |
| US20040215196A1 (en) | Cervical fusion screw guide | |
| CN209884298U (en) | Vertebral plate fixing plate with buffer function | |
| CN209285839U (en) | Waist sacrum artificial prosthesis | |
| CN219480299U (en) | Connecting rod, rod connecting seat, pedicle screw, transverse connection and nail rod fixing system | |
| CN211325492U (en) | Universal elastic fixing rod for orthopedics department | |
| CN1748655A (en) | Front self locking fixing pin plate for lumbar vertebra | |
| CN217162246U (en) | Novel anterior spinal fixing plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |