CN111513802B - Accurate limit for depth mill suit of backbone minimal access surgery with inhaling cutting formula percutaneous vertebral plate drilling grinding - Google Patents
Accurate limit for depth mill suit of backbone minimal access surgery with inhaling cutting formula percutaneous vertebral plate drilling grinding Download PDFInfo
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- CN111513802B CN111513802B CN202010371947.9A CN202010371947A CN111513802B CN 111513802 B CN111513802 B CN 111513802B CN 202010371947 A CN202010371947 A CN 202010371947A CN 111513802 B CN111513802 B CN 111513802B
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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
- A61B17/147—Surgical saws ; Accessories therefor with circularly moving saw blades, i.e. non-reciprocating saw blades
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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
- A61B2017/00017—Electrical control of surgical instruments
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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
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00561—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated creating a vacuum
- A61B2017/00566—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated creating a vacuum fixation of form upon application of vacuum
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
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Abstract
The invention discloses a suction-cutting type percutaneous vertebral plate drilling and grinding accurate depth-limiting grinding disc set for a spinal minimally invasive surgery, and belongs to the field of medical instruments. The minimally invasive drilling and bone hole grinding device comprises a depth-limiting ring saw, a depth-limiting grinding disc, a limiting buckle and a saw ring, wherein the depth-limiting grinding disc is arranged in the depth-limiting ring saw and is detachably connected with the depth-limiting ring saw, the limiting buckle is sleeved at the top end of the depth-limiting grinding disc and is in threaded connection with the depth-limiting grinding disc, the saw ring is arranged at the bottom side of the depth-limiting ring saw, a grinding plate is arranged at the bottom side of the depth-limiting grinding disc, a plurality of groups of grinding teeth are uniformly distributed on the bottom side of the grinding plate, negative pressure suction holes are formed in the bottom end of the depth-limiting ring saw, and openings at two ends of the negative pressure suction holes are respectively arranged at the inner side and the outer side of the depth-limiting ring saw.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a suction-cutting type percutaneous vertebral plate drilling and grinding accurate depth-limiting grinding disc set for a spinal minimally invasive surgery.
Background
Surgical minimally invasive surgery is the mainstream direction of clinical medical development, and percutaneous minimally invasive technology is the main approach for realizing spinal surgery minimally invasive surgery. The vertebral plate is accurately, targeted and circularly cut and ground from the back of the spine through skin soft tissue to realize the regular excision of the target position of the vertebral plate and establish a bone channel or partial excision to enlarge the vertebral plate gap, so that an operation path is established, the minimally invasive spinal vertebral intraductal lesion excision is realized, and compared with the traditional open vertebral plate excision technology, the minimally invasive spinal vertebral plate excision technology has the remarkable minimally invasive advantages of small wound, low risk, high efficiency, quick recovery and the like. Traditional operation mostly is spherical high-speed grinding drill bit to grind off the vertebral plate under X line perspective monitoring in the past, need more radiation exposure in order to monitor its position for avoiding spherical grinding drill bit to break out the neural income canalis spinalis damage, and spherical abrasive drilling grinds off the back and establishes the passageway many irregularities, and the operation is efficient, and is long consuming time in the art, and the postoperative resumes slowly, and the outburst canalis spinalis causes the neural damage risk height.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an accurate depth-limiting grinding disc set for suction-cutting type percutaneous vertebral plate drilling and grinding for spinal minimally invasive surgery, and the specific technical scheme is as follows:
the utility model provides a backbone minimal access surgery is with inhaling accurate limit for depth mill suit of cut formula percutaneous vertebral plate drilling grinding, including the limit for depth ring saw, the limit for depth mill that the setting can be dismantled with the limit for depth ring saw in the limit for depth ring saw and be connected, the cover is established on limit for depth mill top and with limit for depth mill threaded connection's spacing buckle and set up the saw ring in limit for depth ring saw bottom side, limit for depth mill bottom side is equipped with the grinding board, the grinding board bottom side is equipped with multiunit evenly distributed's grinding tooth, limit for depth ring saw bottom is equipped with the negative pressure and attracts the hole, the both ends opening that the negative pressure attracts the hole sets up inboard and the outside at the limit for depth ring saw respectively.
Preferably, the limiting buckle comprises a limiting ring sleeved at the top end of the depth limiting grinding disc and a plurality of groups of limiting blocks arranged on the outer side of the limiting ring.
Preferably, the limiting ring comprises a plurality of groups of limiting half rings and fixing bolts arranged between the adjacent limiting half rings.
Preferably, the opening end of the negative pressure suction hole, which is positioned at the outer side of the depth-limiting ring saw, is provided with a sealing plug, and the sealing plug is detachably connected with the negative pressure suction hole.
Preferably, the inner side of the depth-limiting ring saw is provided with a plurality of groups of chip grooves.
Preferably, a plurality of groups of chip removing holes are arranged on the grinding plate and positioned between the grinding teeth.
Preferably, the outer side of the depth-limiting ring saw is provided with a first precession scale, and the outer side of the depth-limiting grinding disc is provided with a second precession scale.
Preferably, the top end of the depth-limiting grinding disc is provided with a motor mounting head.
Preferably, the top end of the depth-limiting trepan is provided with a trepan handle.
Preferably, the inner diameter of the depth-limiting ring saw and the outer diameter of the depth-limiting grinding disc are the same.
The invention has the following beneficial effects:
the operator of the invention places the depth-limiting ring saw on the vertebral plate of the spine of a patient in a targeted and accurate manner, and rotationally advances the depth-limiting ring saw to ensure that the saw ring arranged at the bottom side of the depth-limiting ring saw rotationally cuts off the vertebral plate of the spine. Simultaneously, the negative pressure suction hole arranged at the bottom end of the depth-limiting ring saw is communicated with the negative pressure suction hole before cutting off the vertebral column vertebral plate, so that negative pressure is generated inside the negative pressure suction hole and in an inner cavity of the depth-limiting ring saw and powder generated in the cutting process and the cut-off vertebral column is adsorbed, the cut-off vertebral column is fixed in the inner cavity of the depth-limiting ring saw, the phenomenon that the cut-off vertebral column is pushed into the vertebral column vertebral tube to cause nerve clamping in the grinding process of the grinding disc is avoided, and the safety is high.
The operator then connects the depth stop plate to the rotary motor and places the depth stop plate within the depth stop trepan. The operator starts the rotating electrical machines and drives the depth-limiting grinding disc to rotate, the grinding teeth grind the cut spinal vertebral plate column in the inner cavity of the depth-limiting ring saw into powder, so that the cut spinal vertebral plate column in the inner cavity of the depth-limiting ring saw is conveniently formed, holes or expanding channels are formed in the spinal vertebral plate, the subsequent operation of the operator is conveniently performed, the depth-limiting grinding disc grinds the cut vertebral plate, and a large amount of vertebral plate powder generated by grinding of the depth-limiting grinding disc is absorbed by the negative pressure suction holes, so that the grinding efficiency of the depth-limiting grinding disc is improved. The invention has the advantages of convenient operation, time saving, science, high efficiency and good safety, changes the condition that the traditional operation is mostly that the spherical high-speed grinding drill grinds the vertebral plate under X-ray perspective monitoring, needs more radiation exposure to monitor the position in order to prevent the spherical grinding drill from protruding into the vertebral canal to damage the nerve, and the spherical grinding drill establishes more irregular channels after grinding the vertebral plate, has low operation efficiency, slow postoperative recovery and high risk of nerve damage caused by protruding into the vertebral canal.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the depth stop ring saw of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is a cross-sectional view of a depth-limiting abrasive disk of the present invention;
FIG. 7 is a bottom view of the depth limiting abrasive disk of the present invention;
FIG. 8 is a top view of the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8 at C;
FIG. 10 is an enlarged view of a portion of FIG. 8 at D;
FIG. 11 is a schematic structural view of the present invention in an initial state;
FIG. 12 is a schematic structural view of a depth stop ring saw of the present invention in a cutting state;
fig. 13 is a structural schematic diagram of the depth-limiting grinding disc in an initial grinding state.
FIG. 14 is a schematic structural view of the depth-limiting grinding disc in a grinding state according to the present invention;
FIG. 15 is a schematic structural view of the depth-limiting grinding disc of the present invention after grinding;
fig. 16 is a schematic structural view of the depth-limiting grinding disc after being taken out.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "communicating," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 16, the depth stop circular saw of the invention comprises a depth stop circular saw 1 for rotating and circularly cutting a vertebral plate of a patient, and a depth stop grinding disc 2 which is arranged in the depth stop circular saw 1 and is detachably connected with the depth stop circular saw 1, wherein the depth stop grinding disc 2 is used for grinding a cut vertebral plate column in the depth stop circular saw 1 into powder so as to accurately drill a hole on the vertebral plate of the spine to establish a bone channel and facilitate subsequent operation of an operator. The inner diameter of the depth-limiting ring saw 1 is the same as the outer diameter of the depth-limiting grinding disc 2, so that the depth-limiting ring saw 1 and the depth-limiting grinding disc 2 can be tightly matched without generating gaps in the matching use process. In addition, the depth-limiting ring saw 1 and the depth-limiting grinding disc 2 are made of medical stainless steel, so that the depth-limiting ring saw can keep quite high hardness in the using process, is not easy to deform or break in the using and operating process, and meets the medical industry standard.
Referring to fig. 1 to 2, the top end of the depth ring saw 1 is provided with a ring saw handle 9 for facilitating the operator to rotationally advance the depth ring saw 1, thereby improving the practicability and convenience of the invention. The top end of the depth-limiting grinding disc 2 is also provided with a motor mounting head 8 matched with the rotating motor, an operator connects the depth-limiting grinding disc 2 with the rotating motor and places the depth-limiting grinding disc 2 in the depth-limiting ring saw 1. Then start rotating electrical machines and drive limit dark mill 2 and rotate, make and be powdered with the grinding of the backbone vertebral plate post that has cut off in limit dark trepan 1 inner chamber, avoid the art person to carry out artifical grinding, improved grinding efficiency and reduced art person's physical power and paid out.
Referring to fig. 3 to 7, the present invention further includes a saw ring 4 disposed at the bottom side of the depth-stop ring saw 1 and used for cutting vertebral plates of the spine of a patient, a grinding plate 5 disposed at the bottom side of the depth-stop grinding disc 2, and a plurality of grinding teeth 6 disposed at the bottom side of the grinding plate 5, wherein the saw ring 4 includes a plurality of oblique saw teeth uniformly distributed at the bottom end of the depth-stop ring saw 1, which improves the cutting efficiency of the saw ring 4 during the rotary cutting process. And a chip groove 11 is arranged at one end of the inner side of the depth-limiting ring saw 1 close to the saw ring 4. The chip removal grooves 11 are uniformly distributed on the inner side of the limiting circular saw 1 and used for removing chips in the process of cutting the saw ring 4, so that the chips generated in the process of cutting the vertebral plate of the vertebral column by the saw ring 4 are prevented from blocking a cutting channel of the saw ring 4, and further the subsequent cutting is influenced. The grinding teeth 6 are uniformly distributed on the bottom side of the grinding plate 5 and are used for grinding the cut spinal vertebral plate block column in the depth-limiting ring saw 1 into powder. A plurality of groups of chip removal holes 51 are formed in the grinding plate 5 and located between the grinding teeth 6, the chip removal holes 51 are used for removing chips in the grinding process of the grinding teeth 6, and chips generated in the process of grinding the spinal vertebral plate by the grinding teeth 6 are prevented from blocking a grinding channel of the grinding plate 5 to influence the subsequent operation of an operator.
Referring to fig. 3 to 5, the bottom end of the depth-limiting ring saw 1 is provided with a negative pressure suction hole 7 for adsorbing a vertebral column of a rotationally cut spinal column, the negative pressure suction hole 7 is arranged in the depth-limiting ring saw 1, and openings at two ends of the negative pressure suction hole 7 are respectively arranged at the inner side and the outer side of the depth-limiting ring saw 1. The opening end of the negative pressure suction hole 7, which is positioned at the outer side of the depth-limiting ring saw 1, is provided with a sealing plug 71, and the sealing plug 71 is detachably connected with the negative pressure suction hole 7. Before the operator rotationally cuts off the spinal vertebral plate column by the depth-limiting ring saw 1, an external negative pressure device is communicated with the negative pressure suction hole 7, so that negative pressure is generated inside the negative pressure suction hole 7 and in an inner cavity of the depth-limiting ring saw 1, the rotationally cut off spinal vertebral plate column and powder generated in the cutting process are absorbed, and the rotationally cut off spinal vertebral plate column is fixed in the inner cavity of the depth-limiting ring saw 1. Avoid the neural card pressure that will cut off backbone vertebral plate block post and impel into the spinal canal in the grinding propulsion process of limit dark mill 2, the security is high. And in the process that the depth-limiting grinding disc grinds the cut vertebral plate, the negative pressure suction holes 7 can also adsorb a large amount of vertebral plate powder generated by grinding the depth-limiting grinding disc 2, so that the grinding efficiency of the depth-limiting grinding disc 2 is improved.
Referring to fig. 8 to 10, the invention further comprises a limit buckle 3 which is sleeved outside the depth-limiting grinding disc 2 and is in threaded connection with the depth-limiting grinding disc 2, the depth-limiting grinding disc 2 is in threaded connection with the limit buckle 3, and the limit buckle 3 does not have sliding deviation phenomenon in the fixing and limiting process through the self-locking function of threads. The limiting buckle 3 is sleeved at the top end of the depth limiting grinding disc 2 and is used for limiting the cutting depth of the depth limiting grinding disc 2. The limiting buckle 3 comprises a limiting ring 31 and two groups of limiting blocks 32, wherein the limiting ring 31 is sleeved at the top end of the depth limiting grinding disc 2 and is in sliding connection with the depth limiting grinding disc 2, and the two groups of limiting blocks 32 are arranged on the outer side of the limiting ring 31. The limiting ring 31 comprises two groups of limiting half rings 311, one ends of the two groups of limiting half rings 311 are hinged to each other, fixing rods 312 penetrating through the two groups of limiting half rings 311 are arranged at the other ends of the two groups of limiting half rings 311, one ends of the fixing rods 312 are hinged to the limiting half rings 311, fixing handles 313 hinged to the fixing rods 312 are arranged at the other ends of the fixing rods 312, an operator only needs to rotatably install the fixing rods 312 into the two groups of limiting half rings 311 in a limiting process, the fixing handles 313 are rotated to enable the limiting half rings 311 to be mutually compressed, and the function of mutually fixing the limiting buckle 3 and the depth limiting grinding disc 2 is achieved. The first precession scale 12 is arranged on the outer side of the depth-limiting trepan saw 1, the second precession scale 21 is arranged on the outer side of the depth-limiting grinding disc 2, an operator can observe and master the precession depth of the depth-limiting trepan saw 1 and the depth-limiting grinding disc 2 in time through the first precession scale 12 and the second precession scale 21, and the situation that the depth is too large to hurt other normal tissues and structures of an affected part is avoided.
Referring to fig. 11 to 16, after the operator predicts the cutting depth (vertebral plate thickness) required by the vertebral plate of the patient's vertebral column through the preoperative imaging measurement and intraoperative X-ray fluoroscopy, the operator rotates the depth-stop ring saw 1 and performs rotary cutting on the vertebral plate of the patient's vertebral column until the precession depth of the depth-stop ring saw 1 reaches the surgical requirement (vertebral plate inner bone), the rotary cutting is stopped, and the depth-stop ring saw 1 and the cut vertebral plate column in the depth-stop ring saw 1 are fixed in the inner cavity of the depth-stop ring saw 1 by negative pressure suction. Then, the operator connects the depth-limiting grinding disc 2 with the rotating motor and places the depth-limiting grinding disc 2 in the depth-limiting ring saw 1. Meanwhile, the operator shifts the stop half ring 311 to the scale point where the second precession scale 21 is the same as the required grinding depth and fixes the stop ring 31 outside the depth-limiting grinding disc 2. The operator starts the rotating motor and drives the depth-limiting grinding disc 2 to rotate, so that the grinding teeth 6 grind the cut spinal vertebral column block columns in the inner cavity of the depth-limiting ring saw 1 into powder until two groups of limiting blocks 32 arranged on the outer side of the limiting ring 31 are contacted with the saw top side of the limiting ring 31.
The operator accurately and targetedly arranges the depth ring saw 1 on the vertebral plate of the spine of a patient and contacts the vertebral plate, and then rotates the depth ring saw 1 to ensure that the saw ring 4 arranged at the bottom side of the depth ring saw 1 rotates to cut off the vertebral plate of the spine. Meanwhile, before the spinal vertebral plate is cut off, the negative pressure suction hole 7 arranged at the bottom end of the depth-limiting ring saw 1 is communicated with the negative pressure suction hole 7 through external negative pressure equipment, so that negative pressure is generated inside the negative pressure suction hole 7 and in the inner cavity of the depth-limiting ring saw 1, the cut-off spinal vertebral plate and powder generated in the rotary cutting process are adsorbed, and the cut-off spinal vertebral plate block column is fixed in the inner cavity of the depth-limiting ring saw 1. Avoid the neural card pressure that will cut off backbone vertebral plate block post and impel into the spinal canal in the grinding propulsion process of limit dark mill 2, the security is high. Then, the operator connects the depth-limiting grinding disc 2 with the rotating motor and places the depth-limiting grinding disc 2 in the depth-limiting ring saw 1. The operator starts the rotating motor and drives the depth-limiting grinding disc 2 to rotate, so that the grinding teeth 6 grind the cut spinal vertebral plate column in the inner cavity of the depth-limiting ring saw 1 into powder, and the cut spinal vertebral plate in the inner cavity of the depth-limiting ring saw 1 is conveniently removed and the subsequent operation of the operator is facilitated. The invention has the advantages of convenient operation, time saving, science, high efficiency and good safety, and changes the condition that the traditional operation is mostly that the spherical high-speed grinding drill bit grinds the vertebral plate under X-ray perspective monitoring, more radiation exposure is needed to monitor the position of the injured nerve so as to prevent the spherical grinding drill bit from protruding into the vertebral canal, and the spherical grinding drill establishes more irregular channels after grinding the vertebral plate, so that the operation efficiency is low, the wound is large, the postoperative recovery is slow, and the risk of nerve injury caused by protruding into the vertebral canal is high.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a backbone minimal access surgery is with inhaling accurate limit dark mill suit of cutting formula percutaneous vertebral plate drilling grinding which characterized in that includes: comprises a depth-limiting ring saw (1), a depth-limiting grinding disc (2) which is arranged in the depth-limiting ring saw (1) and is detachably connected with the depth-limiting ring saw (1), a limiting buckle (3) which is sleeved at the top end of the depth-limiting grinding disc (2) and is in threaded connection with the depth-limiting grinding disc (2), and a saw ring (4) which is arranged at the bottom side of the depth-limiting ring saw (1), wherein the saw ring (4) which is arranged at the bottom side of the depth-limiting ring saw (1) cuts off spinal vertebral plates in a rotating way, a grinding plate (5) is arranged at the bottom side of the depth-limiting grinding disc (2), a plurality of groups of grinding teeth (6) which are uniformly distributed are arranged at the bottom side of the grinding plate (5), the grinding teeth (6) grind the cut vertebral column block columns in the inner cavity of the depth-limiting ring saw (1) into powder, the bottom end of the depth-limiting ring saw (1) is provided with a negative pressure suction hole (7), and openings at two ends of the negative pressure suction hole (7) are respectively arranged at the inner side and the outer side of the depth-limiting ring saw (1);
the external negative pressure equipment is communicated with the negative pressure suction hole (7), so that negative pressure is generated inside the negative pressure suction hole (7) and in the inner cavity of the depth-limiting trepan (1) and the rotary cut broken spinal vertebral plate column and powder generated in the cutting process are absorbed, and the rotary cut broken spinal vertebral plate column is fixed in the inner cavity of the depth-limiting trepan (1).
2. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein the depth-limiting buckle (3) comprises a limiting ring (31) sleeved at the top end of the depth-limiting grinding disc (2) and a plurality of groups of limiting blocks (32) arranged on the outer side of the limiting ring (31).
3. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for the minimally invasive spine surgery according to claim 2, wherein the limiting ring (31) comprises a plurality of groups of limiting half rings (311) and fixing bolts (312) arranged between the adjacent limiting half rings (311).
4. The suction-cutting type percutaneous vertebral plate drilling and grinding accurate depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein a sealing plug (71) is arranged at an opening end of the negative pressure suction hole (7) located at the outer side of the depth-limiting trepan (1), and the sealing plug (71) is detachably connected with the negative pressure suction hole (7).
5. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein multiple groups of chip grooves (11) are formed in the inner side of the depth-limiting trepan (1).
6. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein a plurality of groups of chip removal holes (51) are formed in the grinding plate (5) and located between the grinding teeth (6).
7. The suction-cutting type percutaneous vertebral plate drilling and grinding accurate depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein a first precession scale (12) is arranged on the outer side of the depth-limiting trepan (1), and a second precession scale (21) is arranged on the outer side of the depth-limiting grinding disc (2).
8. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein a motor mounting head (8) is arranged at the top end of the depth-limiting grinding disc (2).
9. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein a detachable trepan handle (9) is arranged at the top end of the depth-limiting trepan (1).
10. The suction-cutting type percutaneous vertebral plate drilling and grinding precise depth-limiting grinding disc set for minimally invasive spine surgery according to claim 1, wherein the inner diameter of the depth-limiting ring saw (1) is the same as the outer diameter of the depth-limiting grinding disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010371947.9A CN111513802B (en) | 2020-05-06 | 2020-05-06 | Accurate limit for depth mill suit of backbone minimal access surgery with inhaling cutting formula percutaneous vertebral plate drilling grinding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010371947.9A CN111513802B (en) | 2020-05-06 | 2020-05-06 | Accurate limit for depth mill suit of backbone minimal access surgery with inhaling cutting formula percutaneous vertebral plate drilling grinding |
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| CN111513802B true CN111513802B (en) | 2021-09-07 |
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| CN106725710A (en) * | 2016-11-28 | 2017-05-31 | 中国人民解放军第四军医大学 | Medical drilling device |
| CN106821452A (en) * | 2017-02-22 | 2017-06-13 | 四川大学华西医院 | A kind of bone arcuate socket card punch |
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| CN110575220A (en) * | 2019-09-24 | 2019-12-17 | 青岛大学附属医院 | Dedicated ring saw device in backbone scope big passageway system |
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| EP2367498B1 (en) * | 2008-10-28 | 2013-07-03 | Jeder Gmbh | Drilling apparatus for a bone bore |
| AT513103B1 (en) * | 2012-06-28 | 2014-07-15 | Jeder Gmbh | Device for penetratingly extending a blind hole introduced into hard tissue, in particular the jawbone |
| CN106388900A (en) * | 2016-11-03 | 2017-02-15 | 河北医科大学第三医院 | Bone tunnel forming device capable of retaining bone substances |
| US10792051B2 (en) * | 2017-06-14 | 2020-10-06 | Conmed Corporation | Debris removing drilling system with irrigation |
| CN209136776U (en) * | 2018-10-31 | 2019-07-23 | 重庆市中医院 | A kind of drill bit that drilling depth is controllable |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725710A (en) * | 2016-11-28 | 2017-05-31 | 中国人民解放军第四军医大学 | Medical drilling device |
| CN106821452A (en) * | 2017-02-22 | 2017-06-13 | 四川大学华西医院 | A kind of bone arcuate socket card punch |
| CN208388694U (en) * | 2017-07-11 | 2019-01-18 | 超微（上海）骨科医院管理股份有限公司 | A kind of trepan |
| CN110575220A (en) * | 2019-09-24 | 2019-12-17 | 青岛大学附属医院 | Dedicated ring saw device in backbone scope big passageway system |
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| CN111513802A (en) | 2020-08-11 |
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