CN110811809A - Medical orthopedic channel screw imbedding adjusting system - Google Patents
Medical orthopedic channel screw imbedding adjusting system Download PDFInfo
- Publication number
- CN110811809A CN110811809A CN201911212831.4A CN201911212831A CN110811809A CN 110811809 A CN110811809 A CN 110811809A CN 201911212831 A CN201911212831 A CN 201911212831A CN 110811809 A CN110811809 A CN 110811809A
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- CN
- China
- Prior art keywords
- rail
- vertical
- transverse
- adjusting
- guide pin
- 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
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 206010034246 Pelvic fractures Diseases 0.000 description 1
- 210000000588 acetabulum Anatomy 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 230000000642 iatrogenic effect Effects 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8897—Guide wires or guide pins
-
- 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
Abstract
The invention provides a medical orthopedic channel screw embedding and adjusting system which comprises a transverse adjusting rail, wherein clamps are arranged at two ends of the bottom of the transverse adjusting rail, a vertical adjusting rail is vertically arranged at one end of the transverse adjusting rail, a vertical adjusting guide pin plate is movably arranged on the vertical adjusting rail, a transverse adjusting guide pin plate is movably arranged at the top of the transverse adjusting rail, and the vertical adjusting guide pin plate and the transverse adjusting guide pin plate are respectively composed of a positioning arm, a guide slide rod and a guide pin limiting plate. The positioning speed after this scheme of adoption is fast, fix a position accurate, excellent in use effect.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical orthopedic channel screw imbedding and adjusting system.
Background
Pelvic fracture has various damage forms, and the trauma and difficulty of pelvic and acetabulum operations are large. The error arrangement of the screw can easily cause iatrogenic neurovascular injury and the error entering the joint can cause the development of joint pain and arthritis. To avoid misplacement, the surgeon must master the normal and altered pelvic structures, the location of the neurovascular structures, and various injury characteristics. To safely insert the screw, the surgeon must be familiar with the intraoperative fluoroscopic image features.
The pelvic minimally invasive surgery has the advantages that the difficulty is further increased on the basis of the front, the requirement of the surgery on an operator is further improved, and compared with the traditional incision reduction surgery, the pelvic minimally invasive surgery has the advantages of less bleeding, small incision, quick recovery, early function exercise and the like. The defects are that the medical staff and the patient need to repeatedly perform fluoroscopy during the operation, and the ray exposure is obviously increased.
Currently, such surgical nail placement methods include:
supplementary nail of putting down of robot, the advantage: the error can be controlled within 0.3mm, and the method is accurate, minimally invasive and obviously reduced in perspective. The disadvantages are as follows: the price is very expensive (in tens of millions), registration is needed in the operation, and the operation can be carried out only by professional training of medical staff.
3D prints and puts nail template, the advantage: the intraoperative template can provide the three-dimensional space direction of the nail, and the number of times of perspective can be reduced. The disadvantages are as follows: before the operation, a positioning spicule needs to be placed with an wound, three-dimensional CT scanning is carried out, a thin-layer computer is taken for reconstruction, a nail placing channel is designed by utilizing computer software, a channel guide plate is printed out in a 3D mode, and the channel guide plate is reversely copied to the positioning spicule of a patient for nail placement. The method is complicated before operation, cannot be accurately copied by the prior art, and has large actual operation error.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a medical orthopedic channel screw imbedding and adjusting system which is high in positioning speed, accurate in positioning and good in using effect.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a medical orthopedic channel screw imbedding adjusting system comprises a transverse adjusting rail, clamps are arranged at two ends of the bottom of the transverse adjusting rail, a vertical adjusting rail is vertically arranged at one end of the transverse adjusting rail, a vertical adjusting guide pin plate is movably arranged on the vertical adjusting rail, a transverse adjusting guide pin plate is movably arranged at the top of the transverse adjusting rail, the vertical adjusting guide pin plate and the transverse adjusting guide pin plate are respectively composed of a positioning arm, a guide sliding rod and a guide pin limiting plate, wherein, the location arm is the rectangle, and its length direction one end is fixed with the direction slide bar, and movable mounting has guide pin location slider on the direction slide bar, and guide pin location slider wherein one side extends and is formed with the guide pin limiting plate, is equipped with on the guide pin limiting plate to the needle cover spacing groove of wearing, is equipped with on the location arm to the guide pin constant head tank of wearing, is equipped with two at least location pinholes on the guide pin limiting plate, and the location pinhole interpolation is equipped with the pilot pin.
The vertical adjusting rail is movably provided with a vertical sliding seat, one side of the vertical sliding seat is movably provided with a vertical rotating seat, the vertical adjusting guide pin plate is movably arranged on the vertical rotating seat through a vertical rotating shaft, and the vertical rotating seat is provided with a vertical rotating shaft locking bolt matched with the vertical rotating shaft; the vertical sliding seat opposite side is equipped with vertical spacing groove, vertical spacing groove and vertical regulation rail gomphosis, and the vertical sliding seat of vertical spacing groove edge extends to the slip spacing inslot spacing behind the gomphosis.
The top of the transverse adjusting rail is movably provided with a transverse sliding seat, the top of the transverse sliding seat is movably provided with a front sliding rail and a rear sliding rail, the front sliding rail and the rear sliding rail are movably provided with a transverse rotating seat, the transverse adjusting guide pin plate is arranged on the transverse rotating seat through a transverse rotating shaft, and the transverse rotating seat is provided with a transverse rotating shaft locking bolt matched with the transverse rotating shaft; one side of the transverse sliding seat is provided with a transverse limiting groove which is embedded with the front sliding rail and the rear sliding rail, and the transverse sliding seat at the edge of the embedded transverse limiting groove extends into the front sliding rail and the rear sliding rail for limiting.
The guide pin positioning groove and the needle sleeve limiting groove are both in a flat groove shape, the side views of the guide pin positioning groove and the needle sleeve limiting groove are in a cross shape, and the length direction of the positioning needle hole is consistent with the width direction of the guide pin positioning groove; the guide pin location slider is rectangle, and the both ends of its length direction one side extend and are formed with the connecting plate, connect fixedly through the connecting plate between two connecting plate outer ends, form needle cover spacing groove between connecting plate and the guide pin location slider, and the location pinhole is to wearing on connecting plate and guide pin location slider.
Horizontal regulation rail, vertical regulation rail, front and back slip rail all be rectangle, horizontal regulation rail, vertical regulation rail after the installation look sideways at and are L shape, preceding back slip rail, horizontal regulation rail, vertical regulation rail length direction both sides all are equipped with the slip spacing groove of indent, swing joint has high adjusting screw on the clamp, high adjusting screw is connected with the horizontal regulation rail bottom.
After the scheme is adopted, the vertical adjusting rail is used for adjusting the height of the vertical sliding seat, the transverse adjusting rail is used for adjusting the transverse position of the front sliding rail and the rear sliding rail, the front sliding rail and the rear sliding rail are used for adjusting the front position and the rear position of the transverse rotating seat, the vertical adjusting guide needle plate and the transverse adjusting guide needle plate are used for inserting the positioning needles, the sliding rod holes are sleeved with the guide sliding rods, the length can be adjusted according to needs so as to be convenient for patients of different statures to use, the positioning needles are inserted in the positioning needle holes and used for positioning the positions of needle penetrating positions, and the positioning needle positioning grooves are used for positioning screws.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the adjusting slider structure of the present invention.
Fig. 3 is a schematic view of the sliding seat mounting structure of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, in which preferred embodiments of the invention are: referring to the attached drawings 1 to 3, the medical orthopedic channel screw insertion adjusting system according to the embodiment includes a transverse adjusting rail 10, clamps 20 are installed at two ends of the bottom of the transverse adjusting rail 10, a vertical adjusting rail 12 is vertically installed at one end of the transverse adjusting rail 10, a vertical adjusting guide needle plate 15 is movably installed on the vertical adjusting rail 12, a transverse adjusting guide needle plate 17 is movably installed at the top of the transverse adjusting rail 10, each of the vertical adjusting guide needle plate 15 and the transverse adjusting guide needle plate 17 is composed of a positioning arm 1, a guide slide rod 2 and a guide needle limiting plate 5, wherein the positioning arm 1 is rectangular, a guide slide rod 2 is fixed at one end in the length direction, a guide needle positioning slide block 3 is movably installed on the guide slide rod 2, a guide needle limiting plate 5 is formed by extending one side of the guide needle positioning slide block 3, a needle sleeve limiting groove 6 which is through to the guide needle is arranged on the guide needle limiting plate 5, a guide, at least two positioning needle holes are arranged on the guide needle limiting plate 5, and positioning needles are inserted in the positioning needle holes. The guide pin positioning groove 4 and the needle sleeve limiting groove 6 are both in a flat groove shape, the side views of the guide pin positioning groove 4 and the needle sleeve limiting groove 6 are in a cross shape, and the length direction of the positioning needle hole is consistent with the width direction of the guide pin positioning groove 4; guide pin location slider 3 is rectangle, and the both ends of its length direction one side extend and are formed with the connecting plate, connect fixedly through the connecting plate between two connecting plate outer ends, form needle cover spacing groove 6 between connecting plate and the guide pin location slider 3, and the location pinhole is to wearing on connecting plate and guide pin location slider 3.
A vertical sliding seat 13 is movably mounted on the vertical adjusting rail 12, a vertical rotating seat 14 is movably mounted on one side of the vertical sliding seat 13, a vertical adjusting guide needle plate 15 is movably mounted on the vertical rotating seat 14 through a vertical rotating shaft, and a vertical rotating shaft locking bolt matched with the vertical rotating shaft is arranged on the vertical rotating seat 14; the other side of the vertical sliding seat 13 is provided with a vertical limiting groove, the vertical limiting groove is embedded with the vertical adjusting rail 12, and the vertical sliding seat 13 at the edge of the embedded vertical limiting groove extends into the sliding limiting groove 18 for limiting.
The top of the transverse adjusting rail 10 is movably provided with a transverse sliding seat 11, the top of the transverse sliding seat 11 is movably provided with a front sliding rail 19 and a rear sliding rail 19, the front sliding rail 19 and the rear sliding rail are movably provided with a transverse rotating seat 16, a transverse adjusting guide needle plate 17 is arranged on the transverse rotating seat 16 through a transverse rotating shaft, and the transverse rotating seat 16 is provided with a transverse rotating shaft locking bolt matched with the transverse rotating shaft; one side of the transverse sliding seat 11 is provided with a transverse limiting groove which is embedded with the front and rear sliding rails 19, and the transverse sliding seat 11 at the edge of the embedded transverse limiting groove extends into the front and rear sliding rails 19 for limiting. Horizontal regulation rail 10, vertical regulation rail 12, front and back slide rail 19 all are rectangle, and horizontal regulation rail 10 after the installation, vertical regulation rail 12 look sideways at and are L shape, and front and back slide rail 19, horizontal regulation rail 10, vertical regulation rail 12 length direction both sides all are equipped with the slip spacing groove 18 of indent, and the swing joint has high adjusting screw on the clamp 20, and high adjusting screw is connected with the horizontal regulation rail bottom.
The implementation process of the device is as follows:
a positioning needle is fixed in each positioning pinhole on the adjusting guide needle plate, the central lines of two positioning needles and the central line of a guide needle positioning groove of the same adjusting guide needle are positioned on the same surface, at the moment, the vertical adjusting guide needle plate forms a vertical guide surface, the transverse adjusting guide needle plate forms a transverse guide surface, and the guide needle positioning grooves on the two positioning arms are staggered and vacant from front to back;
when in operation, the clamps at the two ends of the bottom of the transverse adjusting rail are clamped on an operating table or a bedside, then the height of the transverse adjusting rail is adjusted by adjusting the height adjusting screw rods on the clamps according to the weight of a patient,
the pelvis fracture nail placing channel is displayed through perspective of the C-arm machine, the vertical sliding seat is adjusted to a proper height, the vertical rotating seat is rotated, two guide pins of the vertical adjusting guide pin plate are recombined under the C-arm machine and projected onto the nail placing channel, and at the moment, the position (central point) of a to-be-penetrated needle and the vertical guide surface are positioned on the same inclined plane;
and moving the transverse sliding seat to enable the transverse rotating seat to move to a proper position, respectively locating the transverse sliding seat and the vertical sliding seat at two sides of the needle threading positions of the patient and the like, and then rotating the transverse rotating seat to enable the two guide needles of the transverse adjusting guide needle plate to be recombined into one guide needle under the C-arm machine and projected onto the nail placing channel. At the moment, a guide pin positioning groove below the transverse adjustment guide pin plate and the vertical adjustment guide pin plate can form a cross groove, the cross groove is a needle threading point, and a point generated by the intersection of two planes (a vertical guide surface and a transverse guide surface) which are perpendicular to each other is a needle threading point by utilizing the principle that a concentric circle and a vertical surface are intersected;
and (3) penetrating the needle threading sleeve through two guide pin positioning grooves at the cross point to realize puncture positioning, then measuring the depth and the diameter, and then placing a hollow screw into the fracture passage along the guide pin for fixing.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that the changes in the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a medical orthopedics passageway screw puts governing system which characterized in that: the device comprises a transverse adjusting rail (10), clamps (20) are installed at two ends of the bottom of the transverse adjusting rail (10), a vertical adjusting rail (12) is vertically installed at one end of the transverse adjusting rail (10), a vertical adjusting guide plate (15) is movably installed on the vertical adjusting rail (12), a transverse adjusting guide plate (17) is movably installed at the top of the transverse adjusting rail (10), the vertical adjusting guide plate (15) and the transverse adjusting guide plate (17) are respectively composed of a positioning arm (1), a guide sliding rod (2) and a guide pin limiting plate (5), wherein the positioning arm (1) is rectangular, one end of the length direction of the positioning arm is fixedly provided with the guide sliding rod (2), a guide pin positioning sliding block (3) is movably installed on the guide sliding rod (2), a guide pin limiting plate (5) is formed by extending one side of the guide pin positioning sliding block (3), and a needle sleeve limiting groove (6) which is penetrated is formed, the positioning arm (1) is provided with a guide pin positioning groove (4) for opposite threading, the guide pin limiting plate (5) is provided with at least two positioning pin holes, and positioning pins are inserted in the positioning pin holes.
2. The medical orthopedic access screw insertion adjustment system of claim 1, wherein: a vertical sliding seat (13) is movably mounted on the vertical adjusting rail (12), a vertical rotating seat (14) is movably mounted on one side of the vertical sliding seat (13), a vertical adjusting guide needle plate (15) is movably mounted on the vertical rotating seat (14) through a vertical rotating shaft, and a vertical rotating shaft locking bolt matched with the vertical rotating shaft is arranged on the vertical rotating seat (14); the other side of the vertical sliding seat (13) is provided with a vertical limiting groove, the vertical limiting groove is embedded with the vertical adjusting rail (12), and the vertical sliding seat (13) at the edge of the embedded vertical limiting groove extends into the sliding limiting groove (18) for limiting.
3. The medical orthopedic access screw insertion adjustment system of claim 1, wherein: a transverse sliding seat (11) is movably mounted at the top of the transverse adjusting rail (10), a front sliding rail and a rear sliding rail (19) are movably mounted at the top of the transverse sliding seat (11), a transverse rotating seat (16) is movably mounted on the front sliding rail and the rear sliding rail (19), a transverse adjusting guide needle plate (17) is mounted on the transverse rotating seat (16) through a transverse rotating shaft, and a transverse rotating shaft locking bolt matched with the transverse rotating shaft is arranged on the transverse rotating seat (16); one side of the transverse sliding seat (11) is provided with a transverse limiting groove which is embedded with the front sliding rail and the rear sliding rail (19), and the transverse sliding seat (11) at the edge of the embedded transverse limiting groove extends into the front sliding rail and the rear sliding rail (19) for limiting.
4. The medical orthopedic access screw insertion adjustment system of claim 1, wherein: the guide pin positioning groove (4) and the needle sleeve limiting groove (6) are both in a flat groove shape, the side views of the guide pin positioning groove (4) and the needle sleeve limiting groove (6) are in a cross shape, and the length direction of the positioning needle hole is consistent with the width direction of the guide pin positioning groove (4); guide pin location slider (3) are rectangle, and the both ends of its length direction one side extend and are formed with the connecting plate, connect fixedly through the connecting plate between two connecting plate outer ends, form needle cover spacing groove (6) between connecting plate and guide pin location slider (3), and the location pinhole is to wearing on connecting plate and guide pin location slider (3).
5. The medical orthopedic access screw insertion adjustment system of claim 1, wherein: horizontal regulation rail (10), vertical regulation rail (12), front and back slip rail (19) all are rectangle, and horizontal regulation rail (10), vertical regulation rail (12) after the installation look sideways at and are the L shape, and front and back slip rail (19), horizontal regulation rail (10), vertical regulation rail (12) length direction both sides all are equipped with the slip spacing groove (18) of indent, and movable engagement has high adjusting screw on clamp (20), and high adjusting screw is connected with horizontal regulation rail bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212831.4A CN110811809B (en) | 2019-12-02 | 2019-12-02 | Medical orthopedic channel screw imbedding and adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212831.4A CN110811809B (en) | 2019-12-02 | 2019-12-02 | Medical orthopedic channel screw imbedding and adjusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110811809A true CN110811809A (en) | 2020-02-21 |
| CN110811809B CN110811809B (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911212831.4A Active CN110811809B (en) | 2019-12-02 | 2019-12-02 | Medical orthopedic channel screw imbedding and adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110811809B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097994A (en) * | 1996-09-30 | 2000-08-01 | Siemens Corporate Research, Inc. | Apparatus and method for determining the correct insertion depth for a biopsy needle |
| US20060229730A1 (en) * | 2005-03-14 | 2006-10-12 | Topez Orthopedics, Inc. | Ankle replacement system |
| CN104905870A (en) * | 2015-03-11 | 2015-09-16 | 北京德康健医药科技有限公司 | Sighting device for pelvis internal fixation |
| CN105266875A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Gliding and swinging type orthopaedics positioning guide needle guider |
| CN108433804A (en) * | 2018-04-09 | 2018-08-24 | 河北医科大学第三医院 | A kind of intramedullary nail openings lead device |
| CN110063780A (en) * | 2019-05-22 | 2019-07-30 | 陈聚伍 | Digitize neck of femur guide pin machinery guidance pointing instrumentation |
| CN209186987U (en) * | 2018-06-13 | 2019-08-02 | 北京积水潭医院 | A kind of orthopaedics art stereopsis position indicator |
| CN211381728U (en) * | 2019-12-02 | 2020-09-01 | 郭志伟 | Medical orthopedic channel screw imbedding adjusting system |
-
2019
- 2019-12-02 CN CN201911212831.4A patent/CN110811809B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6097994A (en) * | 1996-09-30 | 2000-08-01 | Siemens Corporate Research, Inc. | Apparatus and method for determining the correct insertion depth for a biopsy needle |
| US20060229730A1 (en) * | 2005-03-14 | 2006-10-12 | Topez Orthopedics, Inc. | Ankle replacement system |
| CN104905870A (en) * | 2015-03-11 | 2015-09-16 | 北京德康健医药科技有限公司 | Sighting device for pelvis internal fixation |
| CN105266875A (en) * | 2015-11-27 | 2016-01-27 | 广东工业大学 | Gliding and swinging type orthopaedics positioning guide needle guider |
| CN108433804A (en) * | 2018-04-09 | 2018-08-24 | 河北医科大学第三医院 | A kind of intramedullary nail openings lead device |
| CN209186987U (en) * | 2018-06-13 | 2019-08-02 | 北京积水潭医院 | A kind of orthopaedics art stereopsis position indicator |
| CN110063780A (en) * | 2019-05-22 | 2019-07-30 | 陈聚伍 | Digitize neck of femur guide pin machinery guidance pointing instrumentation |
| CN211381728U (en) * | 2019-12-02 | 2020-09-01 | 郭志伟 | Medical orthopedic channel screw imbedding adjusting system |
Non-Patent Citations (2)
| Title |
|---|
| 张帆;潘磊;薛厚军;区耀南;: "经皮侧后路椎间孔镜手术穿刺定位装置的研制", 中国医学装备, no. 08, pages 1 - 3 * |
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| CN110811809B (en) | 2023-12-12 |
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