CN112790847A - Selective pedicle screw and method of use - Google Patents
Selective pedicle screw and method of use Download PDFInfo
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- CN112790847A CN112790847A CN202011613780.9A CN202011613780A CN112790847A CN 112790847 A CN112790847 A CN 112790847A CN 202011613780 A CN202011613780 A CN 202011613780A CN 112790847 A CN112790847 A CN 112790847A
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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
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
- A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
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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
- A61B17/70—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
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Abstract
The invention discloses a selective pedicle screw and a using method thereof, and the selective pedicle screw comprises a screw and an upper mounting head, wherein an inner through hole is formed in the screw, a tip is arranged at the lower end of the screw, a depth indication mark is arranged on the outer wall of the screw, the upper mounting head is arranged above the screw, side fixing holes are formed in two sides of the upper mounting head, a lower fixing hole is formed in the center of the lower end of the upper mounting head, an inner thread groove is formed in the upper end of the upper mounting head, an auxiliary fixing sleeve is arranged in the inner thread groove, an outer thread groove is formed in the outer wall of the auxiliary fixing sleeve, and a. Has the advantages that: adopt titanium alloy to make intensity high, internal fixation is internal back through to inside direct injection medicine, can be directly be in the same place with the backbone is long, avoids making a round trip to dismantle the influence that causes the patient, and convenient to use possesses the degree of depth index mark, in time knows the depth of insertion when making things convenient for the operation to realize accurate positioning, conveniently operate.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a selective pedicle screw and a using method thereof.
Background
Adolescent idiopathic scoliosis refers to a structural scoliosis occurring at puberty or before skeletal maturity without other organic diseases. The special scoliosis of teenagers is one of the common skeletal muscle deformities of teenagers. Due to the characteristics of sound field development of teenagers, how to maximally correct scoliosis deformity, reconstruct spinal balance, reserve more motion segments, reduce spinal degeneration, improve quality of life and reduce complications is still the problem to be solved under the condition of not influencing normal growth and development of the spinal column. At present, the treatment of adolescent special scoliosis is mainly carried out by fixing pedicle screws in the vertebral column to correct the vertebral column. The application number is 201610740489.5's chinese patent, discloses a pedicle of vertebral arch screw, including screw, nail seat, jackscrew and connective bar, on the screw was located to the nail seat, was equipped with U type recess on the nail seat, and the jackscrew holding is in U type recess, and the connective bar passes U type recess from the bottom of jackscrew, and the jackscrew supports with the connective bar and holds, and the transversal U type that personally submits of connective bar. The pedicle screw of the above patent is mostly solid, needs to be dismantled after the postoperative spine recovers, causes very big damage to the patient, when performing the operation in addition, because the length of knowing the screw and having deepened the vertebra that can not be clear leads to the screw to run through the vertebra easily, or the position deviation appears and inserts other positions, causes secondary damage to the health.
Disclosure of Invention
It is an object of the present invention to provide an alternative pedicle screw and method of use thereof in order to solve the above problems.
The invention realizes the purpose through the following technical scheme:
the selective pedicle screw comprises a screw and an upper mounting head, wherein an inner through hole is formed in the screw, a tip is arranged at the lower end of the screw, a depth indication mark is arranged on the outer wall of the screw, the upper mounting head is arranged above the screw, side fixing holes are formed in two sides of the upper mounting head, a lower fixing hole is formed in the center of the lower end of the upper mounting head, an inner thread groove is formed in the upper end of the upper mounting head, an auxiliary fixing sleeve is arranged in the inner thread groove, an outer thread groove is formed in the outer wall of the auxiliary fixing sleeve, and a regular polygon prism short shaft is arranged in the middle.
Further, the screw rod is made of titanium alloy.
Furthermore, the diameter of the screw is 2.5mm-7.5mm, and the length of the screw is 10mm-50 mm. The upper mounting head is of a cylindrical structure, and a groove is formed in the middle of the upper mounting head to form a U-shaped structure.
Furthermore, the upper mounting head is made of artificial bones, and the diameter of the upper mounting head is 2-3 times of that of the screw.
Furthermore, the side fixing hole and the lower fixing hole are threaded holes, and the side fixing hole and the lower fixing hole are machined by a high-precision machine tool.
Furthermore, the screw rod is installed in the lower fixing hole through threads, the auxiliary fixing sleeve is fixed in the outer thread groove, and a through hole corresponding to the position and the size of the inner through hole is formed in the center of the regular polygon prism short shaft.
Further, the depth indication mark is marked on the external thread of the screw rod, and the width of the depth indication mark is gradually reduced from top to bottom.
Furthermore, the depth indicator mark is sprayed with food-grade pigment, and the color of the pigment gradually becomes lighter from top to bottom.
Further, the depth indicator may be replaced with an indicator lamp having a pressure sensor.
Furthermore, the inner through hole is formed in the screw rod, and a medicine outlet hole communicated with the inner through hole is formed in the side wall of the center.
Furthermore, the inner through hole is formed in the screw, the tip is of a barb-shaped structure, the tip is equally split into 2-4 petal-shaped split parts, and the inner through hole reaches the center of the split part.
The specific using method comprises the following steps:
a. general anesthesia is carried out on a patient, and a double-cavity trachea is inserted;
b. taking a patient from a prone position, positioning the patient in an operation by using a C-arm X-ray machine, taking a rear median incision after carrying out conventional disinfection, sequentially cutting skin, subcutaneous tissue and deep fascia from an upper vertebral body of an upper end vertebra to a lower vertebral body of a lower end vertebra, and carrying out subperiosteal separation on paravertebral muscles to fully expose vertebral plates and articular processes on two sides;
c. selecting a fixed vertebral body according to preoperative design, implanting a pedicle screw with a proper size in a free-hand mode by matching with a C-arm X-ray machine, sleeving a lengthened metal rod on the regular polygonal column short shaft, rotating the lengthened metal rod to enable the pedicle screw to enter the vertebra, and determining the implantation depth according to the depth indication mark;
d. pre-bending the spine in the physiological bending direction of the spine by using a pre-bending rod, placing a first pre-bending rod on the concave side, rotationally correcting the lateral protrusion, and temporarily locking by using the auxiliary fixing sleeve;
e. the rod is clamped by the rod-holding clamp, and the aim of shape correction is achieved by successively unfolding the rod according to preoperative design;
f. a second pre-bending rod is arranged on the convex side, the lateral bulge is corrected through rotation, the auxiliary fixing sleeve is used for temporary locking, the rod is clamped by the rod clamping clamp, and the rod is gradually opened according to preoperative design to achieve the aim of correcting the shape;
g. and installing connectors in the two adjacent upper mounting heads, and fixing the connectors in the side fixing holes through threads.
The invention has the beneficial effects that: adopt titanium alloy to make intensity high, internal fixation is internal back through to inside direct injection medicine, can be directly be in the same place with the backbone is long, avoids making a round trip to dismantle the influence that causes the patient, and convenient to use possesses the degree of depth index mark, in time knows the depth of insertion when making things convenient for the operation to realize accurate positioning, conveniently operate.
Drawings
FIG. 1 is a perspective view of an alternative pedicle screw embodiment of the invention;
FIG. 2 is a schematic front view of an alternative pedicle screw of the invention;
FIG. 3 is a schematic view of the upper end of the alternative pedicle screw of the invention in cross-section;
FIG. 4 is a schematic front view of an alternative pedicle screw of the invention.
The reference numerals are explained below:
1. a screw; 2. a lower fixing hole; 3. a regular polygonal prism minor axis; 4. an auxiliary fixing sleeve; 5. an outer thread groove; 6. an internal thread groove; 7. an upper mounting head; 8. a side fixing hole; 9. an inner through hole; 10. a tip; 11. a medicine outlet hole; 12. a depth indication mark; 13. a crotch part.
Detailed Description
The invention is further illustrated by the following examples and figures:
the first embodiment is as follows:
as shown in fig. 1-3, the selective pedicle screw and the use method thereof include a screw 1 and an upper mounting head 7, wherein an inner through hole 9 is formed inside the screw 1, a tip 10 is arranged at the lower end of the screw 1, a depth indication mark 12 is arranged on the outer wall of the screw 1, the upper mounting head 7 is arranged above the screw 1, side fixing holes 8 are formed at two sides of the upper mounting head 7, a lower fixing hole 2 is formed in the center of the lower end of the upper mounting head 7, an inner thread groove 6 is formed at the upper end of the upper mounting head 7, an auxiliary fixing sleeve 4 is arranged in the inner thread groove 6, an outer thread groove 5 is formed on the outer wall of the auxiliary fixing sleeve 4, and a regular polygon prism short shaft 3 is arranged.
In this embodiment, the screw 1 is made of titanium alloy.
In the embodiment, the diameter of the screw 1 is 2.5mm-7.5mm, and the length of the screw 1 is 10mm-50 mm. The upper mounting head 7 is of a cylindrical structure, and a groove is formed in the middle of the upper mounting head 7 to form a U-shaped structure.
In this embodiment, the upper mounting head 7 is made of artificial bone, and the diameter of the upper mounting head 7 is 2-3 times of the diameter of the screw rod 1.
In this embodiment, the side fixing hole 8 and the lower fixing hole 2 are both threaded holes, and the side fixing hole 8 and the lower fixing hole 2 are formed by machining with a high-precision machine tool.
In this embodiment, the screw rod 1 is installed in the lower fixing hole 2 through a thread, the auxiliary fixing sleeve 4 is fixed in the external thread groove 5, and a through hole corresponding to the position and size of the inner through hole 9 is formed in the center of the regular polygonal prism short shaft 3.
In this embodiment, the depth indication mark 12 is marked on the external thread of the screw rod 1, and the width of the depth indication mark 12 is gradually reduced from top to bottom.
In this embodiment, the depth indicator 12 is sprayed with an edible pigment, and the color of the pigment gradually becomes lighter from top to bottom.
In this embodiment, the depth indicator 12 may be replaced with an indicator light with a pressure sensor.
In this embodiment, the inner through hole 9 is formed inside the screw rod 1, and the side wall of the center 10 is provided with a medicine outlet 11 communicated with the inner through hole 9.
The specific using method comprises the following steps:
a. general anesthesia is carried out on a patient, and a double-cavity trachea is inserted;
b. taking a patient from a prone position, positioning the patient in an operation by using a C-arm X-ray machine, taking a rear median incision after carrying out conventional disinfection, sequentially cutting skin, subcutaneous tissue and deep fascia from an upper vertebral body of an upper end vertebra to a lower vertebral body of a lower end vertebra, and carrying out subperiosteal separation on paravertebral muscles to fully expose vertebral plates and articular processes on two sides;
c. selecting a fixed vertebral body according to preoperative design, implanting a pedicle screw with a proper size in a free-hand mode by matching with a C-arm X-ray machine, sleeving a lengthened metal rod on the regular polygonal short shaft 3, rotating the lengthened metal rod to enable the pedicle screw to enter the vertebra, and determining the implantation depth according to the depth indication mark 12;
d. pre-bending the spine in the physiological bending direction of the spine by using a pre-bending rod, placing a first pre-bending rod on the concave side, rotationally correcting the lateral protrusion, and temporarily locking by using the auxiliary fixing sleeve 4;
e. the rod is clamped by the rod-holding clamp, and the aim of shape correction is achieved by successively unfolding the rod according to preoperative design;
f. a second pre-bending rod is arranged on the convex side, the lateral bulge is corrected through rotation, the auxiliary fixing sleeve 4 is used for temporary locking, the rod is clamped by the rod clamping clamp, and the rod is gradually opened according to preoperative design to achieve the aim of shape correction;
g. and installing connectors in two adjacent upper mounting heads 7, wherein the connectors are fixed in the side fixing holes 8 through threads to finish fixing.
Example two:
as shown in fig. 3 and 4, the selective pedicle screw and the use method thereof comprise a screw 1 and an upper mounting head 7, wherein an inner through hole 9 is formed in the screw 1, a tip 10 is arranged at the lower end of the screw 1, a depth indication mark 12 is arranged on the outer wall of the screw 1, the upper mounting head 7 is arranged above the screw 1, side fixing holes 8 are formed in two sides of the upper mounting head 7, a lower fixing hole 2 is formed in the center of the lower end of the upper mounting head 7, an inner thread groove 6 is formed in the upper end of the upper mounting head 7, an auxiliary fixing sleeve 4 is arranged in the inner thread groove 6, an outer thread groove 5 is formed in the outer wall of the auxiliary fixing sleeve 4, and a regular polygon prism short shaft 3 is arranged.
In this embodiment, the screw 1 is made of titanium alloy.
In the embodiment, the diameter of the screw 1 is 2.5mm-7.5mm, and the length of the screw 1 is 10mm-50 mm. The upper mounting head 7 is of a cylindrical structure, and a groove is formed in the middle of the upper mounting head 7 to form a U-shaped structure.
In this embodiment, the upper mounting head 7 is made of artificial bone, and the diameter of the upper mounting head 7 is 2-3 times of the diameter of the screw rod 1.
In this embodiment, the side fixing hole 8 and the lower fixing hole 2 are both threaded holes, and the side fixing hole 8 and the lower fixing hole 2 are formed by machining with a high-precision machine tool.
In this embodiment, the screw rod 1 is installed in the lower fixing hole 2 through a thread, the auxiliary fixing sleeve 4 is fixed in the external thread groove 5, and a through hole corresponding to the position and size of the inner through hole 9 is formed in the center of the regular polygonal prism short shaft 3.
In this embodiment, the depth indication mark 12 is marked on the external thread of the screw rod 1, and the width of the depth indication mark 12 is gradually reduced from top to bottom.
In this embodiment, the depth indicator 12 is sprayed with an edible pigment, and the color of the pigment gradually becomes lighter from top to bottom.
In this embodiment, the depth indicator 12 may be replaced with an indicator light with a pressure sensor.
In this embodiment, the inner through hole 9 is formed inside the screw rod 1, the tip 10 is of a barb-shaped structure, the tip 10 is equally split into 2-4 petals to form a branch part 13, and the inner through hole 9 reaches the center of the branch part 13.
The specific using method comprises the following steps:
a. general anesthesia is carried out on a patient, and a double-cavity trachea is inserted;
b. taking a patient from a prone position, positioning the patient in an operation by using a C-arm X-ray machine, taking a rear median incision after carrying out conventional disinfection, sequentially cutting skin, subcutaneous tissue and deep fascia from an upper vertebral body of an upper end vertebra to a lower vertebral body of a lower end vertebra, and carrying out subperiosteal separation on paravertebral muscles to fully expose vertebral plates and articular processes on two sides;
c. selecting a fixed vertebral body according to preoperative design, implanting a pedicle screw with a proper size in a free-hand mode by matching with a C-arm X-ray machine, sleeving a lengthened metal rod on the regular polygonal short shaft 3, rotating the lengthened metal rod to enable the pedicle screw to enter the vertebra, and determining the implantation depth according to the depth indication mark 12;
d. pre-bending the spine in the physiological bending direction of the spine by using a pre-bending rod, placing a first pre-bending rod on the concave side, rotationally correcting the lateral protrusion, and temporarily locking by using the auxiliary fixing sleeve 4;
e. the rod is clamped by the rod-holding clamp, and the aim of shape correction is achieved by successively unfolding the rod according to preoperative design;
f. a second pre-bending rod is arranged on the convex side, the lateral bulge is corrected through rotation, the auxiliary fixing sleeve 4 is used for temporary locking, the rod is clamped by the rod clamping clamp, and the rod is gradually opened according to preoperative design to achieve the aim of shape correction;
g. and installing connectors in two adjacent upper mounting heads 7, wherein the connectors are fixed in the side fixing holes 8 through threads to finish fixing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Selective pedicle screw, characterized in that: including screw rod (1), last installation head (7), screw rod (1) inside is provided with interior through-hole (9), screw rod (1) lower extreme is provided with top (10), be provided with degree of depth index mark (12) on screw rod (1) outer wall, screw rod (1) top is provided with last installation head (7), it is provided with side fixed orifices (8) to go up installation head (7) both sides, it is provided with down fixed orifices (2) to go up installation head (7) lower extreme central authorities, it is provided with interior thread groove (6) to go up installation head (7) upper end, be provided with supplementary fixed cover (4) in interior thread groove (6), be provided with outer thread groove (5) on supplementary fixed cover (4) outer wall, be provided with regular polygon prism minor axis (3) in the middle of supplementary fixed cover (4.
2. The selective pedicle screw as claimed in claim 1, wherein: the screw rod (1) is made of titanium alloy, the diameter is 2.5mm-7.5mm, and the length is 10mm-50 mm.
3. The selective pedicle screw as claimed in claim 1, wherein: the upper mounting head (7) is of cylindrical construction; the middle of the upper mounting head (7) is grooved to form a U-shaped structure; the upper mounting head (7) is made of artificial bones; the diameter of the upper mounting head (7) is 2-3 times of the diameter of the screw (1).
4. The selective pedicle screw as claimed in claim 1, wherein: the side fixing hole (8) and the lower fixing hole (2) are threaded holes, and the side fixing hole (8) and the lower fixing hole (2) are machined by a high-precision machine tool.
5. The selective pedicle screw as claimed in claim 1, wherein: the screw rod (1) is installed in the lower fixing hole (2) through threads, the auxiliary fixing sleeve (4) is fixed in the outer thread groove (5), and the center of the regular polygon prism short shaft (3) is provided with a through hole corresponding to the position and the size of the inner through hole (9).
6. The selective pedicle screw as claimed in claim 1, wherein: the depth indication mark (12) is marked on the external thread of the screw rod (1), and the width of the depth indication mark (12) is gradually reduced from top to bottom.
7. The selective pedicle screw as claimed in claim 1, wherein: the depth indication mark (12) is sprayed with food-grade pigment, and the color of the pigment gradually becomes lighter from top to bottom; the depth indicator (12) can be replaced by an indicator light with a pressure sensor.
8. The selective pedicle screw as claimed in claim 1, wherein: the inner through hole (9) is formed in the screw rod (1), and the side wall of the center (10) is provided with a medicine outlet hole (11) communicated with the inner through hole (9).
9. The selective pedicle screw as claimed in claim 1, wherein: the inner through hole (9) is formed in the screw (1), the tip (10) is of a barb-shaped structure, the tip (10) is equally split into 2-4 petal-shaped split parts (13), and the inner through hole (9) reaches the center of the split parts (13).
10. The use method of the selective pedicle screw is characterized in that: the specific using method comprises the following steps:
a. general anesthesia is carried out on a patient, and a double-cavity trachea is inserted;
b. taking a patient from a prone position, positioning the patient in an operation by using a C-arm X-ray machine, taking a rear median incision after carrying out conventional disinfection, sequentially cutting skin, subcutaneous tissue and deep fascia from an upper vertebral body of an upper end vertebra to a lower vertebral body of a lower end vertebra, and carrying out subperiosteal separation on paravertebral muscles to fully expose vertebral plates and articular processes on two sides;
c. selecting a fixed vertebral body according to preoperative design, implanting a pedicle screw with a proper size by matching with a C-arm X-ray machine in a free-hand mode, sleeving a lengthened metal rod on the regular polygonal column short shaft (3), rotating the lengthened metal rod to enable the pedicle screw to enter the vertebra, and determining the implantation depth according to the depth indication mark (12);
d. pre-bending the spine in the physiological bending direction of the spine by using a pre-bending rod, placing a first pre-bending rod on the concave side, rotationally correcting the lateral protrusion, and temporarily locking by using the auxiliary fixing sleeve (4);
e. the rod is clamped by the rod-holding clamp, and the aim of shape correction is achieved by successively unfolding the rod according to preoperative design;
f. a second pre-bending rod is arranged on the convex side, the lateral bulge is corrected through rotation, the auxiliary fixing sleeve (4) is used for temporary locking, the rod is clamped by the rod clamping clamp, and the rod is gradually opened according to preoperative design to achieve the aim of correcting the shape;
g. and installing connectors in the two adjacent upper installation heads (7), and fixing the connectors in the side fixing holes (8) through threads.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020110058377 | 2020-09-23 | ||
| CN202011005837 | 2020-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112790847A true CN112790847A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011613780.9A Withdrawn CN112790847A (en) | 2020-09-23 | 2020-12-30 | Selective pedicle screw and method of use |
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| CN (1) | CN112790847A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788753Y (en) * | 2005-05-31 | 2006-06-21 | 杨立群 | Universal spinal column internal fixing system |
| CN101224132A (en) * | 2007-01-19 | 2008-07-23 | 陈建庭 | Hollow, side hole, directional perfusion cervical pedicle bolt |
| TW201322955A (en) * | 2011-12-08 | 2013-06-16 | Metal Ind Res & Dev Ct | Auxiliary assembly for marrow nail |
| CN103892897A (en) * | 2012-12-27 | 2014-07-02 | 藏磊 | Internal fixation orthosis for growing stage scoliosis |
| CN203749544U (en) * | 2014-02-07 | 2014-08-06 | 丁晖 | Minimally invasive thoracolumbar posterior percutaneous internal fixation system |
| CN104688320A (en) * | 2015-03-24 | 2015-06-10 | 昆明医科大学第二附属医院 | Self-adaptive pedicle screw |
| CN204410947U (en) * | 2015-01-14 | 2015-06-24 | 南方医科大学 | A kind of can the vertebra dynamic pedicle screw system of fine motion |
| CN208989164U (en) * | 2018-01-23 | 2019-06-18 | 河北医科大学第三医院 | A kind of instrument being convenient for measuring pedicle screw length |
| CN109998655A (en) * | 2019-04-10 | 2019-07-12 | 晏怡果 | Thoracic and lumbar vertebral posterior is orthopedic to use vertebral pedicle nail fixing device and fixed system |
| CN111194188A (en) * | 2017-10-09 | 2020-05-22 | 康曼德公司 | Easy-to-start hollow bone screw |
| CN111437023A (en) * | 2020-03-16 | 2020-07-24 | 中国人民解放军联勤保障部队第九二〇医院 | Novel expansion type pedicle screw and revision fixing method |
| CN213217533U (en) * | 2020-04-18 | 2021-05-18 | 罗绍金 | Selective pedicle screw |
-
2020
- 2020-12-30 CN CN202011613780.9A patent/CN112790847A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788753Y (en) * | 2005-05-31 | 2006-06-21 | 杨立群 | Universal spinal column internal fixing system |
| CN101224132A (en) * | 2007-01-19 | 2008-07-23 | 陈建庭 | Hollow, side hole, directional perfusion cervical pedicle bolt |
| TW201322955A (en) * | 2011-12-08 | 2013-06-16 | Metal Ind Res & Dev Ct | Auxiliary assembly for marrow nail |
| CN103892897A (en) * | 2012-12-27 | 2014-07-02 | 藏磊 | Internal fixation orthosis for growing stage scoliosis |
| CN203749544U (en) * | 2014-02-07 | 2014-08-06 | 丁晖 | Minimally invasive thoracolumbar posterior percutaneous internal fixation system |
| CN204410947U (en) * | 2015-01-14 | 2015-06-24 | 南方医科大学 | A kind of can the vertebra dynamic pedicle screw system of fine motion |
| CN104688320A (en) * | 2015-03-24 | 2015-06-10 | 昆明医科大学第二附属医院 | Self-adaptive pedicle screw |
| CN111194188A (en) * | 2017-10-09 | 2020-05-22 | 康曼德公司 | Easy-to-start hollow bone screw |
| CN208989164U (en) * | 2018-01-23 | 2019-06-18 | 河北医科大学第三医院 | A kind of instrument being convenient for measuring pedicle screw length |
| CN109998655A (en) * | 2019-04-10 | 2019-07-12 | 晏怡果 | Thoracic and lumbar vertebral posterior is orthopedic to use vertebral pedicle nail fixing device and fixed system |
| CN111437023A (en) * | 2020-03-16 | 2020-07-24 | 中国人民解放军联勤保障部队第九二〇医院 | Novel expansion type pedicle screw and revision fixing method |
| CN213217533U (en) * | 2020-04-18 | 2021-05-18 | 罗绍金 | Selective pedicle screw |
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