CN113081173A - Vertebral plate opener for cervical vertebra single-door opening operation - Google Patents
Vertebral plate opener for cervical vertebra single-door opening operation Download PDFInfo
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- CN113081173A CN113081173A CN202110330256.9A CN202110330256A CN113081173A CN 113081173 A CN113081173 A CN 113081173A CN 202110330256 A CN202110330256 A CN 202110330256A CN 113081173 A CN113081173 A CN 113081173A
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- 238000001356 surgical procedure Methods 0.000 abstract description 5
- 210000000080 chela (arthropods) Anatomy 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
本发明涉及医疗器械技术领域，公开了一种颈椎单开门手术用的椎板掀开器，用于夹持并驱动椎板的开门位置绕椎板的门轴位置旋转掀开，包括第一钳柄、转轴、第二钳柄、第一夹持部以及第二夹持部；第一钳柄具有第一端部和第二端部，第二钳柄具有第三端部和第四端部，第一钳柄和第二钳柄通过转轴铰接；第一夹持部设于第一端部上并用于固定连接在开门位置上，第二夹持部设于第三端部上并用于固定连接在门轴位置上；第一钳柄包括第一段和第二段，第二段向靠近第二钳柄的方向倾斜并与第一段之间形成第一钝角，第一端部设于第一段上，第二端部设于第二段上。相对于现有技术，本发明的椎板掀开器能够将椎板掀开至与椎体之间角度较大的位置。
The invention relates to the technical field of medical devices, and discloses a lamina lifter for single-door surgery of the cervical vertebra, which is used for clamping and driving the opening position of the lamina to rotate and unfold around the position of the door axis of the lamina, comprising a first clamp a handle, a rotating shaft, a second clamp handle, a first clamping part and a second clamping part; the first clamp handle has a first end and a second end, and the second clamp handle has a third end and a fourth end , the first clamp handle and the second clamp handle are hinged through the rotating shaft; the first clamping part is arranged on the first end and is used for fixedly connecting to the opening position, and the second clamping part is arranged on the third end and used for fixing Connected at the position of the door shaft; the first clamp handle includes a first segment and a second segment, the second segment is inclined toward the direction close to the second clamp handle and forms a first obtuse angle with the first segment, and the first end is set at On the first segment, the second end is provided on the second segment. Compared with the prior art, the vertebral plate lifter of the present invention can lift the vertebral plate to a position with a larger angle between the vertebral plate and the vertebral body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vertebral plate opener for a cervical vertebra single-door opening operation.
Background
The cervical vertebra single-door opening operation is a common operation for relieving the cervical vertebra marrow compression.
The interior of the cervical vertebra comprises a front vertebral body and a rear vertebral plate which are covered on the vertebral body and are arc-shaped, the spinal cord is positioned in a cavity between the vertebral plate and the vertebral body, and two sides of the vertebral plate are respectively connected to the vertebral body.
When the cervical vertebra single-door opening operation is carried out, the vertebral plate is longitudinally and thoroughly cut and separated at the inner side position of the joint column at one side of the vertebral plate in the direction vertical to the vertebral plate, the thoroughly cut part of the vertebral plate is used as the door opening position, a groove is longitudinally cut at the inner side position of the joint column at the other side of the vertebral plate in the direction vertical to the vertebral plate to form a groove, and the position where the groove is formed by the vertebral plate is used as the door axis position. Then, the vertebral plate is rotated and opened around the position of the partial cutting by the vertebral plate opener, so that the single-door opening of the vertebral plate is realized.
In the vertebral plate opener in the prior art, two straight rods are generally hinged to each other, after the vertebral plate is cut, the two straight rods are operated, so that the end part of the first straight rod clamps the section of the vertebral plate, meanwhile, the end part of the second straight rod abuts against the position close to the partial cutting of the vertebral plate, the position of the vertebral plate opener is kept unchanged, and the vertebral plate opener is rotated to complete the opening.
When the vertebral plate is not opened, the angle between the vertebral plate and the vertebral body is about 40 +/-3 degrees, and in the cervical vertebra single-door opening operation, the safety angle between the vertebral plate and the vertebral body is required to be about 60-67 degrees.
However, when the existing vertebral plate opener is used, because the operation space is limited, the rotation angle of the vertebral plate opener is limited by the distance between the first straight rod and the tissue in the rotation direction of the first straight rod, when the first straight rod is about to contact the tissue in the rotation direction, the opening angle of the vertebral plate reaches the maximum, the vertebral plate opener cannot be used for continuously opening, and the vertebral plate needs to be continuously opened greatly in other modes such as manual operation and the like until the angle between the vertebral plate and the vertebral body reaches the safety angle.
Disclosure of Invention
The purpose of the invention is: the vertebral plate opener is applied to the cervical vertebra single-door opening operation, can greatly open the vertebral plate, reduces the opening angle when the vertebral plate is continuously opened by other modes such as manual operation and the like, and even does not need to continuously open the vertebral body by other modes such as manual operation and the like.
In order to achieve the purpose, the invention provides a vertebral plate opener for cervical vertebra single-door opening operation, which is used for clamping and driving the opening position of the vertebral plate to rotate and open around the door axis position of the vertebral plate and comprises a first clamp handle, a rotating shaft, a second clamp handle, a first clamping part and a second clamping part; the first clamp handle is provided with a first end part and a second end part, the second clamp handle is provided with a third end part and a fourth end part, and the first clamp handle and the second clamp handle are overlapped in an X shape and hinged through the rotating shaft; the first clamping part is arranged on the first end part and is fixedly connected to the opening position of the vertebral plate, and the second clamping part is arranged on the third end part and is fixedly connected to the door shaft position of the vertebral plate; the first clamp handle comprises a first section and a second section which are connected in sequence, the second section inclines towards the direction close to the second clamp handle and forms a first obtuse angle with the first section, the first end is arranged on the first section, and the second end is arranged on the second section.
Furthermore, a section is formed at the opening position of the vertebral plate, and a recess formed by cutting is formed at the door shaft position of the vertebral plate; the first clamping part comprises a first tip connected to the first end part and used for being inserted into the section; the second clamping portion includes a second pointed end connected to the third end portion and adapted to be inserted into the recess.
Further, the first clamping part also comprises a first limiting block which is arranged at a position close to the first tip and used for abutting against the fracture surface; the second clamping part further comprises a second limiting block which is arranged close to the second tip and used for being abutted against the inner wall of the recess.
Further, the first tip is located on a track of the second tip rotating around the rotating shaft.
Furthermore, the pliers further comprise a limiting mechanism used for limiting the angle between the first pliers handle and the second pliers handle.
Furthermore, the limiting mechanism comprises a first fixed block fixedly connected to the first clamp handle, a first stop block arranged on the first fixed block, a second fixed block fixedly connected to the second clamp handle, and a second stop block arranged on the second fixed block; when the first clamp handle and the second clamp handle rotate around the rotating shaft and the angle between the first clamp handle and the second clamp handle is increased, the distance between the first stop block and the second stop block is reduced; when the first stop block abuts against the second stop block, the angle between the first clamp handle and the second clamp handle reaches the maximum value.
Further, the device also comprises a first holding ring and a second holding ring; the first holding ring is arranged on the second end part, and the second holding ring is arranged on the fourth end part, so that the vertebral plate opener can be held and operated conveniently.
Furthermore, the second forceps handle comprises a third section and a fourth section which are connected in sequence; the fourth section inclines towards the direction far away from the first forceps handle and forms a second obtuse angle with a third end, the third end is arranged on the third section, and the fourth end is arranged on the fourth section.
Furthermore, one end of the rotating shaft is connected to the position, close to the first section, of the second section, and the other end of the rotating shaft is connected to the position, close to the third section, of the fourth section. In this case, the hinge position of the first and second handles is not too close to the first or third end portion, which results in an excessively small gap between the first and second clamping portions, or too close to the second or fourth end portion, which results in a difficulty in controlling the size of the gap between the first and second clamping portions.
Further, the first obtuse angle and the second obtuse angle are both 120-160 degrees.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
when the vertebral plate opener for the cervical vertebra single-door opening operation is used, the first clamp handle and the second clamp handle are operated to open, and the second clamping part on the third end is fixedly connected to the position of the door shaft of the vertebral plate; then the first clamping part on the first end part is fixedly connected to the opening position of the vertebral plate by keeping the position of the second clamp handle; then keep the relative angle between first pincers handle and the second pincers handle unchangeable, the vertebral plate opener is whole rotatory, drive the vertebral plate around the rotation of door axle position and open, because the second section is to first pincers handle slope this moment, consequently the rotatory in-process of vertebral plate opener, the rotation angle is great compared in the straight-bar of prior art, consequently the vertebral plate opener of this embodiment can be opened the vertebral plate to and the centrum between the great position of angle, reduce the angle of opening when continuing to open the vertebral plate through other modes such as manual, need not to continue to open the centrum even through other modes such as manual.
Drawings
Fig. 1 is a structural view of a vertebral plate opener for a single open-door cervical spine surgery according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a vertebral plate opener for a single-door cervical spine surgery, according to an embodiment of the present invention, at a point a in fig. 1.
FIG. 3 is a schematic view of the use of the lamina opener for single-door cervical spine surgery according to the embodiment of the present invention.
In the figure, 1, a first clamp handle; 11. a first end portion; 12. a second end portion; 13. a first stage; 14. a second stage; 15. a first grip ring; 16. a first fixed block;
2. a second forceps handle; 21. a third end portion; 22. a fourth end portion; 23. a third stage; 24. a fourth stage; 25. a second grip ring; 26. a second fixed block;
3. a first clamping portion; 31. a first tip; 32. a first stopper;
4. a second clamping portion; 41. a second tip; 42. a second limiting block;
5. a rotating shaft;
6. a vertebral plate; 61. cutting the surface; 62. recessing;
7. a vertebral body;
8. a cavity.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 3, a vertebral plate 6 opener for cervical spine single-door surgery according to a preferred embodiment of the present invention is used for clamping and driving the open position of the vertebral plate 6 to rotate around the door axis position of the vertebral plate 6, and includes a first clamp handle 1, a rotation shaft 5, a second clamp handle 2, a first clamping portion 3 and a second clamping portion 4; the first forceps handle 1 is provided with a first end part 11 and a second end part 12, the second forceps handle 2 is provided with a third end part 21 and a fourth end part 22, and the first forceps handle 1 and the second forceps handle 2 are overlapped in an X shape and hinged through a rotating shaft 5; the first clamping part 3 is arranged on the first end part 11 and is used for being fixedly connected to the opening position of the vertebral plate 6, and the second clamping part 4 is arranged on the third end part 21 and is used for being fixedly connected to the door shaft position of the vertebral plate 6; the first forceps handle 1 comprises a first section 13 and a second section 14 which are connected in sequence, the second section 14 inclines towards the direction close to the second forceps handle 2 and forms a first obtuse angle with the first section 13, the first end portion 11 is arranged on the first section 13, and the second end portion 12 is arranged on the second section 14.
In this embodiment, use the 6 ware of opening of vertebral plate of this embodiment to use before the operation of cervical vertebra single-open door, need cut vertebral plate 6 for the structure that can rotate to open, specifically do, design the position of opening the door and the door spindle position on vertebral plate 6, then, complete cutting opens the door position and makes the connection of vertebral plate 6 and centrum 7 break off completely, and the part cuts the door spindle position and makes the linkage between vertebral plate 6 and the centrum 7 break off, and vertebral plate 6 can be opened around the door spindle position of vertebral plate 6 this moment for the spinal cord in the cavity 8 exposes outside.
Wherein, the cutting position is close to one side of the vertebral plate 6 connected with the vertebral body 7, and the door axis position is close to the other side of the vertebral plate 6 connected with the vertebral body 7.
When in use, the first forceps handle 1 and the second forceps handle 2 are operated to be opened, and the second clamping part 4 on the third end part 21 is fixedly connected to the position of the portal axis of the vertebral plate 6; then, the first clamping part 3 on the first end part 11 is fixedly connected to the open door position of the vertebral plate 6 by keeping the position of the second clamp handle 2; then keep the relative angle between the first forceps handle 1 and the second forceps handle 2 unchanged, the vertebral plate 6 opener rotates integrally to drive the vertebral plate 6 to rotate around the door axis position to open, at this time, because the second section 14 inclines towards the first forceps handle 1, in the rotating process of the vertebral plate 6 opener, the rotating angle is larger compared with the straight rod in the prior art, therefore, the vertebral plate 6 opener of the embodiment can open the vertebral plate 6 to the position with a larger angle between the vertebral plate 6 and the vertebral body 7, the opening angle when the vertebral plate 6 is continuously opened by other modes such as manual operation is reduced, and even the vertebral body 7 does not need to be continuously opened by other modes such as manual operation.
Specifically, in the present embodiment, the size of the first obtuse angle, the length of the first section 13 and the length of the second section 14 are main factors affecting the opening angle of the lift for the vertebral plate 6 of the present embodiment, and the size of the first obtuse angle, the length of the first section 13 and the length of the second section 14 are adjusted, so as to adjust the opening angle of the lift for the vertebral plate 6 of the present embodiment.
Optionally, when the first obtuse angle is 120-160 °, the length of the first section 13 is 70-80 mm, and the length of the second section 14 is 30-40 mm, and the vertebral plate 6 can be opened to a position where the angle between the vertebral plate 6 and the vertebral body 7 is 55-65 ° when the vertebral plate 6 opener of the present embodiment is applied to open the vertebral plate 6.
Further, in one embodiment, referring to fig. 1-3, a cut-out 61 is formed at the open position of the vertebral plate 6, and a cut-out 62 is formed at the position of the gate axis of the vertebral plate 6; the first clamping portion 3 comprises a first tip 31 connected to the first end portion 11 and intended to be inserted into the section 61; the second clamping portion 4 comprises a second tip 41 connected to the third end 21 and intended to be inserted into the recess 62.
In prior art vertebral plate 6 openers, a curved structure is generally designed to pass through the cut 61 of the vertebral plate 6 and to be snapped onto the bottom of the vertebral plate 6 to secure the vertebral plate 6 opener and the vertebral plate 6. However, at this time, the relative sliding between the opener of the vertebral plate 6 and the vertebral plate 6 is easy to occur, so that the relative position between the opener of the vertebral plate 6 and the vertebral plate 6 is changed, which is not good for the opening of the vertebral plate 6.
Compared with the prior art, in the vertebral plate 6 opener of the present embodiment, the first tip 31 is directly inserted on the section 61, so that the relative sliding between the first tip 31 and the section 61 is difficult to occur, and the vertebral plate 6 opener and the vertebral plate 6 can be better fixed relatively; meanwhile, the second tip 41 is also arranged and the second tip 41 is directly inserted into the recess 62, so that the strength of the relative fixation between the vertebral plate 6 opener and the vertebral plate 6 is further improved, and the operation is convenient.
To facilitate the insertion of the first tip 31 into the section 61, the first end 11 of the first forceps handle 1 is arranged to curve in the direction of the section 61, and the first tip 31 is arranged on the curved first end 11 and faces the section 61.
Preferably, the second pointed end 41 is inserted on the side wall in the recess 62. Further, the first and second clamping portions 3 and 4, respectively, exert a force on the lamina 6 and clamp the lamina 6 to better control the rotation of the lamina 6, i.e., the insertion of the second tip 41 onto the lateral wall of the recess 62 near the section 61.
Similarly, in order to facilitate the insertion of the second tip 41 into the side wall of the recess 62 close to the section 61, the third end 21 of the second forceps handle 2 is arranged to be bent towards the side wall of the recess 62 close to the section 61, and the second tip 41 is arranged on the bent third end 21 and is close to the side wall of the section 61 towards the recess 62.
Further, in an embodiment, referring to fig. 1 to 3, the first clamping portion 3 further includes a first stopper 32 disposed near the first tip 31 and configured to abut against the cross section 61; the second clamping portion 4 further comprises a second stopper 42 provided near the second tip 41 and adapted to abut against an inner wall of the recess 62.
In the vertebral plate 6 opener of the present embodiment, on the premise that the first tip end 31 and the second tip end 41 are provided, in order to prevent the vertebral plate 6 from being damaged due to the fact that the first tip end 31 and the second tip end 41 are respectively inserted into the vertebral plate 6 too deeply, the first stopper 32 is provided to limit the depth of the first tip end 31 inserted into the vertebral plate 6, and the second stopper 42 is provided to limit the depth of the second tip end 41 inserted into the vertebral plate 6.
Further, in one embodiment, referring to fig. 1 to 3, the first tip 31 is located on the track of the second tip 41 rotating around the rotating shaft 5.
In this embodiment, the first tip 31 and the second tip 41 are capable of securely holding the lamina 6, as described in detail below: a predetermined arc is formed by respectively passing through the first tip 31 and the second tip 41 by taking the rotating shaft 5 as a circle center; when clamping the vertebral plate 6, the direction of the acting force applied to the vertebral plate 6 by the first tip 31 is tangent to the preset arc line, and the direction of the acting force applied to the vertebral plate 6 by the second tip 41 is tangent to the preset arc line, so that the vertebral plate 6 is prevented from being damaged due to stress dislocation or uneven stress, and the first tip 31 and the second tip 41 realize stable clamping of the vertebral plate 6.
Further, in an embodiment, please refer to fig. 1 to 3, further comprising a limiting mechanism for limiting an angle between the first forceps handle 1 and the second forceps handle 2, so as to prevent the first forceps handle 1 and the second forceps handle 2 from touching the tissue around the cervical vertebrae due to an excessive relative position between the first forceps handle 1 and the second forceps handle 2 caused by a malfunction when clamping the vertebral plate 6.
Preferably, in an embodiment, referring to fig. 1 to 3, the limiting mechanism includes a first fixing block 16 fixedly connected to the first forceps handle 1, a first stop block disposed on the first fixing block 16, a second fixing block 26 fixedly connected to the second forceps handle 2, and a second stop block disposed on the second fixing block 26; when the first forceps handle 1 and the second forceps handle 2 rotate around the rotating shaft 5 and the angle between the first forceps handle 1 and the second forceps handle 2 is increased, the distance between the first stop block and the second stop block is reduced; when the first stop block and the second stop block are abutted, the angle between the first forceps handle 1 and the second forceps handle 2 reaches the maximum value. When the pliers are used, the first baffle and the second baffle are contacted with each other to limit the angle between the first pliers handle 1 and the second pliers handle 2.
Further, in one embodiment, please refer to fig. 1 to 3, further comprising a first grip ring 15 and a second grip ring 25; a first grip ring 15 is provided on the second end 12 and a second grip ring 25 is provided on the fourth end 22 to facilitate gripping and manipulation of the vertebral plate 6 opener.
Further, the farthest distance between the first clamping portion 3 and the first holding ring 15 is set to be 140-1600 mm, so that the whole size of the vertebral plate 6 opener is small, and the vertebral plate 6 opener is suitable for being used in a narrow working environment.
Further, in one embodiment, referring to fig. 1 to 3, the second forceps handle 2 includes a third section 23 and a fourth section 24 connected in series; the fourth section 24 is inclined in a direction away from the first forceps handle 1, a second obtuse angle is formed between the fourth section and the third end, the third end 21 is arranged on the third section 23, and the fourth end 22 is arranged on the fourth section 24.
In this embodiment, since the first forceps handle 1 is divided into the first section 13 and the second section 14, and the second section 14 is inclined toward the second forceps handle 2, if the second forceps handle 2 is still configured in a linear structure, the distance between the second end portion 12 and the fourth end portion 22 will be too small, which is inconvenient for the user to grasp and operate and control the distance between the first clamping portion 3 and the second clamping portion 4. Therefore, in this embodiment, the second right handle is divided into a third segment 23 and a fourth segment 24, and the fourth segment 24 is inclined away from the first handle 1, so as to ensure the distance between the second end 12 and the fourth end 22, which is convenient for the user to use the vertebral plate 6 opener of this embodiment.
Further, the first section 13 and the third section 23 are symmetrically arranged, the first clamping part 3 and the second clamping part 4 are symmetrically arranged, and the second section 14 and the fourth section 24 are symmetrically arranged, so that the production difficulty can be reduced during production.
Further, in an embodiment, referring to fig. 1 to 3, one end of the shaft 5 is connected to the second section 14 near the first section 13, and the other end of the shaft 5 is connected to the fourth section 24 near the third section 23. In this case, the hinge position of the first and second handles 1 and 2 is not too close to the first or third end 11 or 21, which results in an excessively small gap between the first and second clamping portions 3 and 4, or too close to the second or fourth end 12 or 22, which results in a difficulty in controlling the size of the gap between the first and second clamping portions 3 and 3.
Further, set up first articulated seat on the position that second section 14 is close to first section 13, set up the articulated seat of second on the position that fourth section 24 is close to third section 23, in the extending direction of second section 14, the width of first articulated seat is greater than second section 14, in the extending direction of fourth section 24, the width of the articulated seat of second is greater than fourth section 24, the one end rotation of pivot 5 is installed on first articulated seat, the other end rotation of pivot 5 is installed on the articulated seat of second. Therefore, the rotating shaft 5 with larger size can be conveniently installed, so that the stability of the relative rotation of the first clamp handle 1 and the second clamp handle 2 is improved.
Further, in an embodiment, referring to fig. 1 to 3, the first obtuse angle and the second obtuse angle are both between 120 ° and 160 °.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330256.9A CN113081173A (en) | 2021-03-26 | 2021-03-26 | Vertebral plate opener for cervical vertebra single-door opening operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330256.9A CN113081173A (en) | 2021-03-26 | 2021-03-26 | Vertebral plate opener for cervical vertebra single-door opening operation |
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| CN113081173A true CN113081173A (en) | 2021-07-09 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010053911A1 (en) * | 1998-09-17 | 2001-12-20 | Marcus Hehli | Repositioning instrument to fixate bone-fractures |
| US20080177297A1 (en) * | 2007-01-24 | 2008-07-24 | Musculoskeletal Transplant Foundation | Forceps |
| US20120265213A1 (en) * | 2011-04-12 | 2012-10-18 | Aesculap Ag | Surgical distraction instrument for laminoplasty |
| CN105105821A (en) * | 2015-09-24 | 2015-12-02 | 江苏水木天蓬科技有限公司 | Bone holding forceps |
| CN205234573U (en) * | 2015-11-03 | 2016-05-18 | 尤微 | Fixed pincers and fixed pincers of combination that key fracture steel sheet resets and implants |
| CN106859711A (en) * | 2016-12-30 | 2017-06-20 | 四川大学华西医院 | Vertebral plate rotating opener for cervical vertebra single-door opening operation |
| CN206548576U (en) * | 2016-11-22 | 2017-10-13 | 上海市奉贤区中心医院 | Operating forceps |
| CN109806023A (en) * | 2019-03-15 | 2019-05-28 | 中南大学湘雅医院 | A small animal laminar stripper |
| CN215306427U (en) * | 2021-03-26 | 2021-12-28 | 中山大学附属第一医院 | A lamina opener for single-door surgery of cervical vertebra |
-
2021
- 2021-03-26 CN CN202110330256.9A patent/CN113081173A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010053911A1 (en) * | 1998-09-17 | 2001-12-20 | Marcus Hehli | Repositioning instrument to fixate bone-fractures |
| US20080177297A1 (en) * | 2007-01-24 | 2008-07-24 | Musculoskeletal Transplant Foundation | Forceps |
| US20120265213A1 (en) * | 2011-04-12 | 2012-10-18 | Aesculap Ag | Surgical distraction instrument for laminoplasty |
| CN105105821A (en) * | 2015-09-24 | 2015-12-02 | 江苏水木天蓬科技有限公司 | Bone holding forceps |
| CN205234573U (en) * | 2015-11-03 | 2016-05-18 | 尤微 | Fixed pincers and fixed pincers of combination that key fracture steel sheet resets and implants |
| CN206548576U (en) * | 2016-11-22 | 2017-10-13 | 上海市奉贤区中心医院 | Operating forceps |
| CN106859711A (en) * | 2016-12-30 | 2017-06-20 | 四川大学华西医院 | Vertebral plate rotating opener for cervical vertebra single-door opening operation |
| CN109806023A (en) * | 2019-03-15 | 2019-05-28 | 中南大学湘雅医院 | A small animal laminar stripper |
| CN215306427U (en) * | 2021-03-26 | 2021-12-28 | 中山大学附属第一医院 | A lamina opener for single-door surgery of cervical vertebra |
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