CN113069172A - Accurate depth-limiting ring saw of percutaneous vertebral plate drilling for spinal minimally invasive surgery - Google Patents
Accurate depth-limiting ring saw of percutaneous vertebral plate drilling for spinal minimally invasive surgery Download PDFInfo
- Publication number
- CN113069172A CN113069172A CN202110256841.9A CN202110256841A CN113069172A CN 113069172 A CN113069172 A CN 113069172A CN 202110256841 A CN202110256841 A CN 202110256841A CN 113069172 A CN113069172 A CN 113069172A
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- Prior art keywords
- fixedly connected
- trepan
- minimally invasive
- barrel
- vertebral plate
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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
- A61B17/14—Surgical saws ; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
Abstract
The invention belongs to the technical field of medical instruments, and relates to a percutaneous vertebral plate drilling accurate depth-limiting ring saw for minimally invasive spinal surgeries, which comprises an expanding cylinder, wherein a ring saw cylinder penetrates through the expanding cylinder, the surface of the ring saw cylinder is fixedly connected with a connecting column and a connecting plate, the bottom of the connecting column is fixedly connected with a threaded sleeve, the surface of the expanding cylinder is fixedly connected with an external thread, the threaded sleeve is in threaded connection with the external thread, and the surface of the expanding cylinder is provided with a limiting ring. The accurate depth-limiting trepan for percutaneous vertebral plate drilling for minimally invasive spine surgery has the advantages that the muscle tissue outside the vertebral plate of the spine is stretched by the stretching barrel through the stretching barrel, so that the muscle tissue is prevented from sliding on the surface of the vertebral plate of the spine, the position of the limiting ring on the stretching barrel can be adjusted according to the depth of the muscle tissue deepened by the scale mark, and redundant injury to a patient caused by too deep descending of the trepan barrel is avoided.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a percutaneous vertebral plate drilling accurate depth-limiting ring saw for a spinal minimally invasive surgery.
Background
The minimally invasive surgical operation is the mainstream direction of clinical medicine development, the percutaneous minimally invasive technology is the main approach for realizing the minimally invasive spinal surgery, the vertebral lamina of the spine is accurately, targeted circular cut and ground from the back of the spine through skin soft tissue to realize the regular excision of the target site of the vertebral lamina, and a bone channel is established by drilling or part of the vertebral lamina is excised to enlarge the clearance of the vertebral lamina, so that an operation path is established, the minimally invasive spinal vertebral canal is the premise of excision, and compared with the traditional open vertebral lamina excision technology, the minimally invasive spinal surgery has the obvious minimally invasive advantages of small wound, low risk, high efficiency, quick recovery and the like.
At present most drilling all adopts spherical high-speed grinding drill bit, but the passageway that this kind of drill bit drilled is many irregular, also can bring very big injury to patient's health moreover, and present perforating device can't restrict the degree of depth of punching moreover, leads to the degree of depth of drill bit drilling very easily like this darker, can not satisfy people's user demand.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a percutaneous vertebral plate drilling accurate depth-limiting ring saw for a spinal minimally invasive surgery, which solves the technical problem that the drilling depth cannot be controlled.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an accurate depth-limiting ring saw of percutaneous vertebral lamina drilling for spinal minimal access surgery, includes to prop open a section of thick bamboo, wear to be equipped with a trepan section of thick bamboo in propping open a section of thick bamboo, the fixed surface of a trepan section of thick bamboo is connected with spliced pole and connecting plate, the bottom fixedly connected with threaded sleeve of spliced pole, the fixed surface of propping open a section of thick bamboo is connected with the external screw thread, threaded sleeve and external screw thread threaded connection, the surface of propping open a section of thick bamboo is provided with the spacing collar, the threaded connection in surface of spacing collar has fixing bolt, fixing bolt's opposite side passes spacing collar and fixedly connected with fixed plate.
The inner wall fixedly connected with annular slide rail of a trepan section of thick bamboo, sliding connection has annular slide bar in the annular slide rail, fixedly connected with fixed column between the annular slide bar, the bottom fixedly connected with vacuum chamber of fixed column, the bottom fixedly connected with vacuum chuck of vacuum chamber, the bottom fixedly connected with motor case of fixed column, fixedly connected with rotation motor in the motor case, the output shaft of rotation motor passes motor case and fixedly connected with rotor plate, the bottom of rotor plate and the top fixed connection of connecting plate, the top fixedly connected with rotation post of rotor plate, the top of rotation post is provided with the grab handle through the bearing, the surface of propping open a section of thick bamboo is provided with the scale mark.
As a further scheme of the invention: the inner wall of the trepan cylinder is fixedly connected with a storage battery box, and a storage battery is fixedly connected in the storage battery box.
As a further scheme of the invention: and the surface of the fixed plate is fixedly connected with an antiskid plate.
As a further scheme of the invention: the bottom of the opening cylinder is fixedly connected with anti-skidding teeth.
As a further scheme of the invention: the surface of the grab handle is provided with anti-skid grains.
As a further scheme of the invention: the surface of the opening cylinder is fixedly connected with a fixed rope ring.
As a further scheme of the invention: the inner wall of the trepan cylinder is fixedly connected with a remote miniature camera.
As a further scheme of the invention: the top fixedly connected with control switch of grab handle, control switch passes through the wire and all uses electrical apparatus electric connection.
Compared with the prior art, the invention has the beneficial effects that:
1. this accurate limit for depth trepan of percutaneous vertebral plate drilling for backbone minimal access surgery, through strutting a section of thick bamboo, strutting a section of thick bamboo and strutting the musculature in the backbone vertebral plate outside to avoid musculature to slide on the surface of backbone vertebral plate, through the scale mark, can go deep into the position at the depth regulation spacing collar place on strutting a section of thick bamboo in the musculature according to the scale mark, avoid the trepan section of thick bamboo to descend too deeply to cause unnecessary injury to the patient.
2. This accurate depth-limiting trepan of percutaneous vertebral lamina drilling for backbone minimal access surgery, through rotating the motor, rotate motor work and drive the rotor plate and rotate, the rotor plate rotates and drives connecting plate and trepan section of thick bamboo and rotate to saw the hole operation through the sawtooth of trepan bobbin base portion is automatic, through the threaded sleeve, the trepan section of thick bamboo pivoted drives the threaded sleeve and carries out the downstream on the surface of external screw thread simultaneously, thereby automatically drives the downward removal of trepan section of thick bamboo.
3. This accurate limit for depth ring saw of spinal column minimal access surgery percutaneous vertebral plate drilling through the antiskid ribbed tile, has increased the fixed plate and has propped the frictional force on a section of thick bamboo surface, has increased the stability of spacing collar, through long-range miniature camera head, can shine the inside behavior of device to during the picture that will shine is long-range carries the display screen, thereby make things convenient for medical personnel to further observe the behavior of device, further improved the security of device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a front view cross section of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a three-dimensional structure diagram of the expanding cylinder of the present invention;
FIG. 4 is a schematic three-dimensional structure of the trepan cylinder of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 6 is a schematic structural view of a section of a stop collar according to the present invention;
in the figure: 1. opening the cylinder; 2. an external thread; 3. a threaded sleeve; 4. a limiting ring; 5. a trepan barrel; 6. fixing the rope loop; 7. connecting columns; 8. fixing a column; 9. a connecting plate; 10. a motor case; 11. rotating the motor; 12. a handle; 13. a control switch; 14. rotating the column; 15. a rotating plate; 16. scale lines; 17. anti-slip teeth; 18. a remote miniature camera; 19. an annular slide rail; 20. an annular slide bar; 21. an accumulator case; 22. a storage battery; 23. a vacuum chamber; 24. a vacuum chuck; 25. fixing the bolt; 26. a fixing plate; 27. an antiskid plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: an accurate depth-limiting trepan for drilling a hole through a percutaneous vertebral plate for a minimally invasive spinal surgery comprises an opening cylinder 1, a trepan cylinder 5 penetrates through the opening cylinder 1, muscle tissues outside the vertebral plate of the spinal column are opened through the opening cylinder 1 and the opening cylinder 1, thereby avoiding the muscle tissue from sliding on the surface of the vertebral plate of the spine, the surface of the trepan cylinder 5 is fixedly connected with a connecting column 7 and a connecting plate 9, the bottom of the connecting column 7 is fixedly connected with a threaded sleeve 3, through the threaded sleeve 3, the trepan cylinder 5 rotates and simultaneously drives the threaded sleeve 3 to rotate downwards on the surface of the external thread 2, thereby automatically, drive a trepan section of thick bamboo 5 downstream, the fixed surface of propping open a section of thick bamboo 1 is connected with external screw thread 2, and threaded sleeve 3 and external screw thread 2 threaded connection prop open the surface of a section of thick bamboo 1 and be provided with spacing collar 4, and the surface threaded connection of spacing collar 4 has fixing bolt 25, and fixing bolt 25's opposite side passes spacing collar 4 and fixedly connected with fixed plate 26.
The inner wall of the trepan barrel 5 is fixedly connected with an annular slide rail 19, annular slide rails 20 are slidably connected in the annular slide rail 19, fixing columns 8 are fixedly connected between the annular slide rails 20, the bottom of each fixing column 8 is fixedly connected with a vacuum cavity 23, the bottom of each vacuum cavity 23 is fixedly connected with a vacuum chuck 24, the bottom of each fixing column 8 is fixedly connected with a motor box 10, a rotating motor 11 is fixedly connected in each motor box 10, the rotating motor 11 works to drive a rotating plate 15 to rotate through the rotating motor 11, the rotating plate 15 rotates to drive a connecting plate 9 and the trepan barrel 5 to rotate, so that hole sawing operation is automatically performed through sawteeth at the bottom of the trepan barrel 5, an output shaft of the rotating motor 11 penetrates through each motor box 10 and is fixedly connected with a rotating plate 15, the bottom of each rotating plate 15 is fixedly connected with the top of the connecting plate 9, a rotating column 14 is fixedly connected, the surface of the distraction cylinder 1 is provided with scale marks 16, and the position of the limiting ring 4 on the distraction cylinder 1 can be adjusted according to the depth of the scale marks 16 entering the muscle tissue through the scale marks 16, so that redundant injury to a patient caused by too deep descending of the trepan cylinder 5 is avoided.
Specifically, the inner wall of the trepan barrel 5 is fixedly connected with a storage battery box 21, and a storage battery 22 is fixedly connected in the storage battery box 21.
Specifically, the fixed surface of the fixed plate 26 is fixedly connected with the anti-slip plate 27, and the friction force between the fixed plate 26 and the surface of the opening cylinder 1 is increased through the anti-slip plate 27, so that the stability of the spacing ring 4 is increased.
Specifically, the bottom of the distraction cylinder 1 is fixedly connected with an anti-slip tooth 17.
Specifically, the surface of the handle 12 is provided with anti-slip lines.
Specifically, the surface of the opening cylinder 1 is fixedly connected with a fixed rope loop 6.
Concretely, the long-range miniature camera 18 of inner wall fixedly connected with of trepan section of thick bamboo 5 through long-range miniature camera 18, can shine the inside behavior of device to during the picture that will shine is long-range carries the display screen, thereby make things convenient for medical personnel to further observe the behavior of device, further improved the security of device.
Specifically, the top of the handle 12 is fixedly connected with a control switch 13, and the control switch 13 is electrically connected with all the electrical appliances through a wire.
The working principle of the invention is as follows:
s1, when the device is used, muscle tissues are unfolded by the aid of the unfolding cylinder 1, the bottom of the unfolding cylinder 1 is in contact with the surface of a vertebral column lamina, the unfolding cylinder 1 is fixed on the surface of the vertebral column lamina through the fixing rope ring 6 after the contact, then the scale marks 16 are observed, the position of the limiting ring 4 is adjusted according to the depth of the unfolding cylinder 1 entering a patient, the limiting ring 4 is firmly fixed on the surface of the unfolding cylinder 1 by rotating the fixing bolt 25 after the adjustment is finished, then the handle 12 is held by hand to penetrate the circular saw cylinder 5 into the unfolding cylinder 1, meanwhile, the remote micro camera 18 is opened through the control switch 13, and the shot pictures are remotely transmitted to the display screen by the remote micro camera 18 for display;
s2, when the trepan cylinder 5 penetrates into the opening cylinder 1, the trepan cylinder 5 is rotated through the grab handle 12, so that the trepan cylinder 5 is connected with the opening cylinder 1 through the threaded sleeve 3 and the external threads 2, when the trepan cylinder 5 descends to the position where the vacuum suction cup 24 is in contact with the surface of the vertebral lamina of the vertebral column, the saw teeth at the bottom of the trepan cylinder 5 are also in contact with the surface of the vertebral lamina of the vertebral column, then the vacuum suction cup 24 is opened through the control switch 13, the vacuum suction cup 24 absorbs air between the vertebral lamina of the vertebral column and the vacuum suction cup 24, and the air is conveyed into the vacuum cavity 23 after being absorbed, so that the vacuum suction cup 24 is firmly adsorbed on the surface of;
s3, then, the grab handle 12 is held by hand and the rotating motor 11 is turned on through the control switch 13, the rotating motor 11 works to drive the rotating plate 15, the connecting plate 9 and the trepan tube 5 rotate, the fixing column 8 is firmly adsorbed on the surface of the vertebral lamina of the vertebral column through the vacuum chuck 24 when the trepan tube 5 rotates, so that the vertebral lamina of the vertebral column is automatically sawed, the trepan tube 5 rotates to drive the connecting column 7 and the threaded sleeve 3 to rotate, the threaded sleeve 3 moves downwards during rotation, when the threaded sleeve 3 is in contact with the limiting ring 4, a medical worker controls the rotating motor 11 to stop working, the hole sawing work is finished, the grab handle 12 is tightly held to reversely rotate after finishing, the trepan tube 5 is taken out from the expanding tube 1, the vertebral lamina sawed is also taken out by the vacuum chuck 24 during taking out, and subsequent operation is carried out.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (8)
1. The utility model provides an accurate limit for depth trepan of percutaneous vertebral plate drilling for backbone minimal access surgery, includes to strut a section of thick bamboo (1), its characterized in that: a trepan barrel (5) penetrates through the opening barrel (1), a connecting column (7) and a connecting plate (9) are fixedly connected to the surface of the trepan barrel (5), a threaded sleeve (3) is fixedly connected to the bottom of the connecting column (7), an external thread (2) is fixedly connected to the surface of the opening barrel (1), the threaded sleeve (3) is in threaded connection with the external thread (2), a limiting ring (4) is arranged on the surface of the opening barrel (1), a fixing bolt (25) is in threaded connection with the surface of the limiting ring (4), and the other side of the fixing bolt (25) penetrates through the limiting ring (4) and is fixedly connected with a fixing plate (26);
the ring saw comprises a ring saw barrel (5), wherein the inner wall of the ring saw barrel (5) is fixedly connected with an annular slide rail (19), annular slide bars (20) are connected in the annular slide rail (19) in a sliding manner, fixed columns (8) are fixedly connected between the annular slide bars (20), the bottoms of the fixed columns (8) are fixedly connected with a vacuum cavity (23), the bottoms of the vacuum cavities (23) are fixedly connected with a vacuum sucker (24), the bottoms of the fixed columns (8) are fixedly connected with a motor box (10), a rotating motor (11) is fixedly connected in the motor box (10), an output shaft of the rotating motor (11) penetrates through the motor box (10) and is fixedly connected with a rotating plate (15), the bottom of the rotating plate (15) is fixedly connected with the top of a connecting plate (9), the top of the rotating plate (15) is fixedly connected with a rotating column (14), and the top of, the surface of the opening cylinder (1) is provided with scale marks (16).
2. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the inner wall of the trepan barrel (5) is fixedly connected with an electric storage box (21), and an electric storage battery (22) is fixedly connected in the electric storage box (21).
3. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: and the surface of the fixed plate (26) is fixedly connected with an antiskid plate (27).
4. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the bottom of the opening cylinder (1) is fixedly connected with anti-skidding teeth (17).
5. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the surface of the grab handle (12) is provided with anti-skid grains.
6. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the surface of the opening cylinder (1) is fixedly connected with a fixed rope loop (6).
7. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the inner wall of the trepan cylinder (5) is fixedly connected with a remote miniature camera (18).
8. The percutaneous vertebral plate drilling precision depth-limiting trepan for minimally invasive spine surgery of claim 1, wherein: the top fixedly connected with control switch (13) of grab handle (12), control switch (13) pass through the wire and all with electrical apparatus electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256841.9A CN113069172A (en) | 2021-03-09 | 2021-03-09 | Accurate depth-limiting ring saw of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256841.9A CN113069172A (en) | 2021-03-09 | 2021-03-09 | Accurate depth-limiting ring saw of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
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| CN113069172A true CN113069172A (en) | 2021-07-06 |
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| CN202110256841.9A Pending CN113069172A (en) | 2021-03-09 | 2021-03-09 | Accurate depth-limiting ring saw of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090228012A1 (en) * | 2006-02-16 | 2009-09-10 | Universite Libre De Bruxelles | Surgical boring tool set |
| GB201014234D0 (en) * | 2010-08-25 | 2010-10-06 | Lee Benjamino K H | A modified trephine bone drill |
| CN208598469U (en) * | 2017-09-22 | 2019-03-15 | 贾志强 | A kind of ramps eccentric trepan applying to minimally invasive spine surgical |
| CN109512482A (en) * | 2017-09-20 | 2019-03-26 | 王力平 | A kind of spacing collar trepan |
| CN209951335U (en) * | 2019-01-24 | 2020-01-17 | 李克乾 | A visual power trepan outside mirror for intervertebral foramen mirror operation |
| CN111513801A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting ring saw suit of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
| CN111513805A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting trepan suit of bone drilling is got with percutaneous centrum circular cutting and suction type to backbone minimal access surgery |
-
2021
- 2021-03-09 CN CN202110256841.9A patent/CN113069172A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090228012A1 (en) * | 2006-02-16 | 2009-09-10 | Universite Libre De Bruxelles | Surgical boring tool set |
| GB201014234D0 (en) * | 2010-08-25 | 2010-10-06 | Lee Benjamino K H | A modified trephine bone drill |
| CN109512482A (en) * | 2017-09-20 | 2019-03-26 | 王力平 | A kind of spacing collar trepan |
| CN208598469U (en) * | 2017-09-22 | 2019-03-15 | 贾志强 | A kind of ramps eccentric trepan applying to minimally invasive spine surgical |
| CN209951335U (en) * | 2019-01-24 | 2020-01-17 | 李克乾 | A visual power trepan outside mirror for intervertebral foramen mirror operation |
| CN111513801A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting ring saw suit of percutaneous vertebral plate drilling for spinal minimally invasive surgery |
| CN111513805A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting trepan suit of bone drilling is got with percutaneous centrum circular cutting and suction type to backbone minimal access surgery |
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Application publication date: 20210706 |