CN106667544A - Minimally-invasive perforation surgical tool and machining method thereof - Google Patents
Minimally-invasive perforation surgical tool and machining method thereof Download PDFInfo
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- CN106667544A CN106667544A CN201710093410.9A CN201710093410A CN106667544A CN 106667544 A CN106667544 A CN 106667544A CN 201710093410 A CN201710093410 A CN 201710093410A CN 106667544 A CN106667544 A CN 106667544A
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- 239000000843 powder Substances 0.000 claims description 33
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Classifications
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7094—Solid vertebral fillers; devices for inserting such fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- 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
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B2017/1602—Mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention provides a minimally-invasive perforation surgical tool. The minimally-invasive perforation surgical tool comprises a path-opening sleeve and a path-opening drill bit arranged in the path-opening sleeve, wherein the path-opening sleeve comprises a sleeve body and a needle core seat which are connected mutually; the path-opening drill bit comprises a rod body and a drill bit and also comprises an elastic connecting rod, and the drill bit is connected with the rod body by the elastic connecting rod; a drill bit outlet is arranged on the sleeve body, the rod body is arranged in the sleeve body and the drill bit extends out of the drill bit outlet. The invention also provides a machining method of the minimally-invasive perforation surgical tool, which is used for manufacturing the path-opening sleeve and the path-opening drill bit; the path-opening sleeve is an integrally-molded member and is made of additional materials; the path-opening drill bit is an integrally-molded member and is manufactured by machining and ground, and heat treatment is carried out on the path-opening drill bit. The minimally-invasive perforation surgical tool and the machining method provided by the invention have the beneficial effects that the perforation efficiency is high, the perforation infection rate is reduced, the incision quantity is reduced, the safe and high-efficiency effects are achieved and the parts are integrally molded.
Description
Technical field
The present invention relates to piercing operation field of tool, in particular to minimally invasive piercing operation instrument and its processing method.
Background technology
In traditional spinal surgery, need out a larger edge of a knife just to complete such operation, thus result in
Muscle of back major part must be peeled off with vertebra, be to reduce thus produced having an intense pain and must relying on substantial amounts of analgesic
Thing, causes very big side effect, and the time that postoperative patients recover is very very long, while can also leave larger scar.
Therefore developed that a kind of operating time is short, fast and patient recovery's block the minimally invasive operation on vertebra of curative effect at present.Minimally invasive ridge
Vertebra operation is shown by X-ray at the injury inside patient, piercing operation is carried out using special instrument, then by Jing
Skin is directly injected into into compressed vertebral or first passes through balloon expandable and reinjects the implants such as bone cement, artificial bone, so as to strengthen
The mechanical stability of pathological changes vertebral body, so that patient's early recovery.
In traditional process technology, open circuit sleeve and perforating bur are, using traditional moulding process, to add follow-up machine
What processing technique was completed, because the complexity of workpiece shapes is limited by process for machining, the open circuit of a whole set of operation tool
Form is all straightforward.Therefore at present the piercing operation of minimally invasive operation on vertebra is first to be inserted in sclerotin, then with puncture needle
Perforating bur reaches affected part by the positioning of sleeve of opening a way again, then enters eleven punch 11, because the both sides of operation on vertebra are required for perforation,
Due to the restriction of existing processing technique, current perforating bur can not be realized turning round according to specified direction, it is impossible to accurately determine
The position of perforation, therefore the piercing operation of vertebra both sides must be by completing twice, such doctor's inconvenient operation, Er Qieyan
Operating time is grown.So operating time is not only delayed, increased the pain of patient, while medical worker is sudden and violent due to long-time
Under being exposed at X-ray, the risk of carcinogenic pathological changes is increased.
The content of the invention
In view of this, the invention aims to overcome deficiency of the prior art, there is provided a kind of piercing efficiency is high,
Reduce perforation infection rate, reduce operate on quantity safely and efficiently, the integrally formed minimally invasive piercing operation instrument of parts and
Its processing method.
To solve the above problems, the first solution that the present invention is provided is as follows：
Minimally invasive piercing operation instrument, including open circuit sleeve and the open circuit drill bit in the open circuit sleeve, the open circuit
Sleeve includes sleeve body and the needle core base being connected with each other；
The open circuit drill bit includes the body of rod and drill bit, also including elastic link, the drill bit by the elastic link with
The body of rod connection；
The sleeve body is provided with drill bit outlet, and in the sleeve body, the drill bit is by the brill for the body of rod
Stretch out in head outlet.
In the exemplary embodiment, gathering sill, the inclined-plane of the gathering sill and the set are formed with the drill bit opening
The angle of the axis of cylinder body is at an acute angle.
In the exemplary embodiment, the sleeve body is provided with locating piece, and the locating piece is exported with the drill bit
The same side of the sleeve body.
In the exemplary embodiment, the needle core base is provided with pin hole.
To solve the above problems, the second solution that the present invention is provided is as follows：
The processing method of minimally invasive piercing operation instrument, for the above-mentioned open circuit sleeve of manufacturing claims and open circuit drill bit；
The open circuit sleeve is formed in one component, is made using increasing material manufacturing, and the open circuit drill bit is formed in one component, by machine
Processing and polishing are processed into, and carry out heat treatment to the open circuit drill bit.
In the exemplary embodiment, the increasing material manufacturing, comprises the following steps：
First, computer three-dimensional modeling is carried out to the open circuit sleeve and splits the threedimensional model；
2nd, according to the corresponding laser beam scan path of graphic hotsopt of the segmentation；
3rd, paver powder；
4th, scanned on the material powder by the laser beam scan path using laser or electron beam；
5th, repeat step three and step 4 are until the open circuit sleeve forming.
In the exemplary embodiment, the increasing material manufacturing includes fused deposition, electron beam melting, laser near-net-shape, choosing
Selecting property is laser sintered, direct metal is powder sintered, 3D printing.
In the exemplary embodiment, the threedimensional model is divided into some points, the thickness of the model of per part of segmentation with it is each
The thickness of the material powder of laying is equal.
In the exemplary embodiment, the thickness of the model of the segmentation be 10-100 μm, a diameter of the 0 of the material powder
- 100 μm of (not including).
In the exemplary embodiment, the heat treatment includes the destressing to the elastic link part and sofening treatment,
Cure process to the bit part.
The minimally invasive piercing operation instrument of the present invention is made up of open a way sleeve and open circuit drill bit, and open circuit sleeve is fixed for threading a needle
Position, open circuit drill bit stretches so as to enter eleven punch 11 in open circuit sleeve.Open circuit drill bit has warp architecture, and open circuit sleeve has guiding
Effect, for drill bit guide frame is provided, and makes drill bit by stretching out in drill bit opening, so as to can be fast in relatively narrow and small pedicle of vertebral arch
The bone cement passage of wrestling of speed, safety, it is to avoid bias is produced during drilling, improves the accuracy rate of punching, reduces blood vesssls and nerves injuries
Generation, increase operation safety.For the operation for injecting bone cement is required for simultaneously for both sides, in operation process only
Once perforated positioning need to be carried out, just can be using the open circuit sleeve with guide function and the open circuit drill bit with bending function come complete
Into the perforate and injection bone cement operation of vertebra both sides, so condition is provided a great convenience to doctor, while also increasing
The safety of operation.The minimally invasive piercing operation instrument of the present invention is that a kind of piercing efficiency is high, reduces perforation infection rate, reduction
Operate on the safely and efficiently minimally invasive piercing operation instrument of quantity.
The processing method of the minimally invasive piercing operation instrument of the present invention carries out molding using increasing material manufacturing open-circuit sleeve, and it leads to
Cross computer precise control high energy laser beam or electron beam partial fusing powder metal materials and successively pile up, so as to according to three-dimensional
Complicated computer model directly generates the entity component of the geometry of densification, thus is not limited by processing structure, can be according to need
The substantially any special construction of one-shot forming and cooling water channel structure in open circuit sleeve laser processing procedure is sought, greatly be compensate for
The mach defective workmanship of tradition, solves complicated open circuit tube-in-tube structure processing.Open circuit drill bit is by machining and grinding one
It is body formed, and the heat treatment by being segmented so that the elastic link of open circuit drill bit has elasticity, and drill bit has high rigidity.So as to
Disclosure satisfy that the performance requirement of minimally invasive piercing operation instrument.
To enable the above objects, features and advantages of the present invention to become apparent from and understandable, preferred embodiment cited below particularly, and match somebody with somebody
Appended accompanying drawing is closed, is described below in detail.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the front view of the open circuit sleeve of the minimally invasive piercing operation instrument that the embodiment of the present invention is provided；
Fig. 2 shows the side view of the open circuit sleeve of the minimally invasive piercing operation instrument that the embodiment of the present invention is provided；
Fig. 3 shows the front view of the open circuit drill bit of the minimally invasive piercing operation instrument that the embodiment of the present invention is provided；
Fig. 4 shows the structural representation of the minimally invasive piercing operation instrument that the embodiment of the present invention is provided.
Main element symbol description：
The minimally invasive piercing operation instruments of 1-；11- open circuit sleeves；111- sleeve bodies；112- needle core bases；1121- pin holes；113-
Drill bit is exported；1131- gathering sills；114- locating pieces；12- open circuit drill bits；The 121- bodies of rod；122- drill bits；123- elastic links；
13- positioning needles.
Specific embodiment
For the ease of understanding the present invention, minimally invasive piercing operation instrument and its processing method are entered below with reference to relevant drawings
Row is more fully described.The preferred embodiment of minimally invasive piercing operation instrument and its processing method is given in accompanying drawing.But, it is minimally invasive
Piercing operation instrument and its processing method can be realized by many different forms, however it is not limited to enforcement described herein
Example.On the contrary, the purpose for providing these embodiments is to make the disclosure to minimally invasive piercing operation instrument and its processing method more
Plus it is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Conversely, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.Made in the description of minimally invasive piercing operation instrument and its processing method herein
Term is intended merely to describe the purpose of specific embodiment, it is not intended that limit the present invention.Term as used herein
" and/or " including the arbitrary and all of combination of one or more related Listed Items.
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is elaborated.
Embodiment 1
As shown in figure 1, minimally invasive piercing operation instrument 1, including open circuit sleeve 11 and the open circuit brill in open circuit sleeve 11
12.
Fig. 2 and Fig. 3 is seen also, sleeve 11 of opening a way includes sleeve body 111 and the needle core base 112 being connected with each other.
Fig. 4 is seen also, open circuit drill bit 12 includes the body of rod 121 and drill bit 122, also including elastic link 123, drill bit
122 are connected by elastic link 123 with the body of rod 121.Sleeve body 111 is provided with drill bit outlet 113, and the body of rod 121 is in sleeve sheet
In body 111, drill bit 122 stretches out in exporting 113 by drill bit.
Above-mentioned, open circuit sleeve 11 is used for positioning of threading a needle, and open circuit drill bit 12 stretches so as to enter eleven punch 11 in open circuit sleeve 11.
The cylinder of open circuit sleeve 11 is provided with drill bit 122 and is open, and the drill bit 122 and the body of rod 121 of drill bit 12 of opening a way pass through elastic link 123
Connection, causes drill bit 122 to offset by the deformation of elastic link 123, stretches out in being open by drill bit 122 and is drilled.In perforation
When, the position of sleeve 11 of opening a way is fixed, and open circuit drill bit 12 is connected on a motor, and by motor open circuit drill bit is driven
12 rotate, so as to reach the effect of punching.
Specifically, the sleeve body 111 of open circuit sleeve 11 is cylindrical, and its hollow structure is used for insertion open circuit drill bit
12.The entire length of open circuit sleeve 11 is 130mm, and external diameter is φ 5.4mm, and internal diameter is φ 4.5mm, and body wall thickness is 0.45mm.
One end of sleeve body 111 is provided with needle core base 112, and needle core base 112 is in cone shape, its taper seat and sleeve body
The angle of 111 ends is 54 °, is seamlessly transitted to the outer wall of sleeve body 111 by pin hole 1121 (being mentioned below) outer wall.
Needle core base 112 is provided with pin hole 1121.A diameter of φ 1.7mm of pin hole 1121, for inserting positioning needle 13, make
During with minimally invasive piercing operation instrument 1, positioning needle 13 is pierced into into skin open-circuit sleeve 11 and is positioned, then bored using open circuit
12 are punctured.
Sleeve body 111 is provided with drill bit outlet 113, and specifically, drill bit outlet 113 is provided close at needle core base 112
On the cylinder of sleeve body 111, drill bit outlet 113 causes the hollow of sleeve body 111 to be in communication with the outside, so that open circuit is bored
12 drill bit 122 can have in drill bit outlet 113 and stretch out.
Gathering sill 1131 is formed with drill bit outlet 113, the axis of the inclined-plane of gathering sill 1131 and the sleeve body 111
Angle it is at an acute angle.In the present embodiment, the axis of gathering sill 1131 and sleeve body 111 into 20 ° of angles, i.e. drill bit 122 together with
When elastic link 123 stretches out in the opening of drill bit 122, drill bit 122 and elastic link 123 are in 20 ° of angles left side in sleeve body 111
Right inclination.
Specifically, drill bit 122 stretches out in being together open by drill bit 122 together with elastic link 123, on the opening of drill bit 122
The gathering sill 1131 of formation determines the yawing moment of drill bit 122 and elastic link 123, inclined-plane and the sleeve sheet of gathering sill 1131
The angle of the axis of body 111 is at an acute angle cause drill bit 122 stretch out direction diagonally downward so that when the body of rod 121 is promoted, drill bit
The tendency that 122 oriented skins are pierced into, contact of the drill bit 122 with skin in perforation makes drill bit 122 deflect into 90 ° to continue to skin
Middle piercing.
Sleeve body 111 is provided with locating piece 114, and locating piece 114 is with drill bit outlet 113 in the same of sleeve body 111
Side.Due to 122 mouthfuls of distal ends in the body of rod 121 of drill bit, be not easy to observe the orientation of drill bit outlet 113 when in use, with drill bit
Locating piece 114 is set on the same side of outlet 113, with the orientation that the orientation of locating piece 114 represents drill bit outlet 113, Ke Yigeng
Intuitively observe the orientation of drill bit outlet 113.
In the present embodiment, the length of locating piece 114 is 15mm, and width is 1mm, thickness for 3mm cuboid, locating piece
The line of 114 centrage and the centrage of drill bit outlet 113 is point-blank.
In other examples, locating piece 114 can be in other orientation, being gone out by locating piece 114 and drill bit
The gun parallax of mouth 113 determines the orientation of drill bit outlet 113.
In the present embodiment, open circuit sleeve 11 is formed in one component.
The integral molding structure of open circuit sleeve 11, structure is relatively reliable and compact, connectionless sharp point, each positional structure
Uniformly, with preferable mechanical property.Can be made by 3D printing using medical rustless steel spherical powder, 3D printing is i.e. fast rapid-result
One kind of type technology, it is a kind of based on mathematical model file, with medical rustless steel spherical powder, by successively printing
Mode carry out the technology of constructed object.Cause to open a way sleeve 11 with preferable mechanical property using rustless steel spherical powder
Meanwhile, also with preferable corrosion resistant chemical stability.
The body of rod 121 of open circuit drill bit 12 is in round bar shape, and drill bit 122 is connected on drill bit 122 by elastic link 123.Open
The total length of road drill bit 12 is 200mm, a diameter of φ 3mm, and the length of drill bit 122 is 5mm, a diameter of φ of elastic link 123
1.5mm。
Elastic link 123 has elasticity, and it occurs bending and deformation in stress, after suffered external force disappears, elastic link
123 replies are stretched again.Elastic link 123 is metal material, such as using the spring steel with preferable elastic deformation ability.By
Elastic deformation is relatively also easy to produce in its diameter is less.
The junction of elastic link 123 and the body of rod 121 to be connected smoothly, i.e., by seamlessly transitting on elastic link 123
To the body of rod 121.The diameter of elastic link 123 is less than the diameter of the body of rod 121, is conducive to bending, and elastic resistance is less, while bullet
Property connecting rod 123 and the junction of the body of rod 121 seamlessly transit so that the connection of elastic link 123 and the body of rod 121 without the sharp point of stress with
Stress concentration, switching performance is more excellent.
Open circuit drill bit 12 is formed in one part, is made using spring steel.Thicker part be the body of rod 121, thinner portion
It is point easily deformable for elastic link 123, obtuse conus portion is drill bit 122.Cure process has been carried out at drill bit 122, surface has been obtained
Hardened layer, while obtaining very high surface abrasion resistance characteristic.Strengthen the wearability and hardness of drill bit 122, mention the use of drill bit 122
Life-span.
The surface of drill bit 122 is covered with brill stricture of vagina.The brill stricture of vagina on the surface of drill bit 122 improves the processing characteristics of drill bit 122, enhances brill
122 drilling effect so that the punching of open circuit drill bit 12 is more laborsaving and smooth.
The length of the body of rod 121 is not less than the ultimate range between drill bit outlet 113 and the end of sleeve body 111.
The distance that the end of sleeve body 111 exports 113 maximums with drill bit is sleeve body 111 and is not provided with needle core base 112
One end and drill bit outlet 113 and the closest distance of any of needle core base 112, it is ensured that the length of the body of rod 121 is more than this most
Send out distance, you can ensure the body of rod 121 when being not exclusively pushed in sleeve body 111, elastic link 123 is farthest from brill
Stretch out in 122 openings.
Specifically, the 100mm in the end of the body of rod 121 is marked with length scale.
The body of rod 121 is moved in sleeve body 111, and by the drive of the body of rod 121 elastic link 123 and drill bit 122 are caused
Stretch in drill bit outlet 113.The distance of the movement of the body of rod 121 is the length that elastic link 123 and drill bit 122 stretch out, in bar
Body 121 is marked with scale so that the degree of controllability of the extension elongation of drill bit 122 is higher, and be accurately controlled drill bit 122 stretches out length
Degree, to be accurately controlled the depth of punching.
It should be noted that above-mentioned preferred dimensional parameters are the minimally invasive piercing operation work applied in vertebra opens a way operation
The size of tool 1.Cervical, thoracic vertebra, the anatomical structure difference of pedicle of lumbar vertebral arch size length, should select in different application scenarios
With the minimally invasive piercing operation instrument 1 of different preferred sizes.
By taking the open circuit operation of minimally invasive vertebra as an example, the using method of this minimally invasive piercing operation instrument 1 is as follows：
1. positioning needle 13 is inserted in the pin hole 1121 of open circuit sleeve 11, it is fixed in the enterprising eleven punch 11 of suitable vertebral location
Position, open circuit sleeve 11 is positioned to vertebra；
2. open circuit drill bit 12 is inserted in open circuit sleeve 11, it is determined that the opening direction of drill bit 122 of open circuit sleeve 11；
3., along the open circuit propulsion open circuit drill bit 12 of sleeve 11, drill bit 12 of opening a way extend out to the vertebra portion of patient along gathering sill 1131
Position, proceeds by punching, with going deep into for drill bit 122, by the length scale on the body of rod 121 depth of punching is accurately read
Degree, the depth location needed for reaching；
4. open circuit drill bit 12 is pulled out, rotate 11180 ° of sleeve of open circuit, reusing 1-3 steps carries out vertebra open circuit handss
Art.
It is above-mentioned, by the disposable perforation positioning of sleeve 11 of opening a way, vertebra open circuit operation twice is completed, while using opening
The guide effect of road sleeve 11, by bone cement the vertebra of patient is injected, and completes whole minimally invasive operation on vertebra.
The minimally invasive piercing operation instrument of the present invention has the advantages that：
1. the minimally invasive piercing operation instrument of the present invention is made up of open a way sleeve and open circuit drill bit, and open circuit sleeve is used to thread a needle and determines
Position, open circuit drill bit stretches so as to enter eleven punch 11 in open circuit sleeve.Open circuit drill bit has the elastic construction of bending, open circuit sleeve tool
There is guide effect, for drill bit guide frame is provided, drill bit is made by stretching out in drill bit opening, so as in relatively narrow and small pedicle of vertebral arch
Can quickly, the bone cement passage of wrestling of safety, it is to avoid produce bias during drilling, improve the accuracy rate of punching, reduce blood vessel god
The generation that Jing is damaged, increases the safety of operation.
2. for both sides are required for the operation on vertebra for injecting bone cement, only once perforated need to be carried out in operation process
Positioning, just can complete opening for vertebra both sides using the open circuit sleeve with guide function and the open circuit drill bit with bending function
Hole and injection bone cement operation, so provide a great convenience condition, while also increasing the safety of operation to doctor.
3., using the 3D printing open circuit sleeve of integral type, structure is relatively reliable and compact, connectionless sharp point, each position knot
Structure is uniform, with preferable mechanical property.Using medical rustless steel spherical powder by sleeve of opening a way made by 3D printing in tool
While having preferable mechanical property, also with preferable corrosion resistant chemical stability.
4. different according to the anatomical structure of cervical, thoracic vertebra, pedicle of lumbar vertebral arch size length, using metal 3D printing skill
Art customization of individual character designs the open circuit cage guiding angle of the v-groove of corresponding different size, is separately adapted to cervical vertebra, Upper thoracic and lower breast
The different operation such as vertebra and lumbar vertebra；Depth location can be pierced with accurately detecting using the scale of rod body part on open circuit drill bit simultaneously,
So that operation is more smoothly safely and effectively.
5. can indirectly shorten operating time using minimally invasive piercing operation instrument, reduce surgical exposure overlong time and cause
The infection probability caused by internal fixation of spine；That reduces corrective surgery simultaneously operates on quantity, so as to reduce the bleeding of patient
Amount, reduces the danger of patients with transfusion.Minimally invasive operation on vertebra is greatly reduced in application process and causes operative doctor and trouble
The lonizing radiation injury of person, reduces the hazardness of operation.
Embodiment 2
The processing method that the present embodiment provides minimally invasive piercing operation instrument 1, for manufacturing embodiment 1 in open circuit sleeve 11
With open circuit drill bit 12.Open circuit sleeve 11 is formed in one component, is made using increasing material manufacturing, and open circuit drill bit 12 is formed in one structure
Part, is processed into by machining and polishing, and open-circuit drill bit 12 carries out heat treatment.
Open circuit sleeve 11 is entered with drill bit outlet 113 and gathering sill 1131 using increasing material manufacturing method open-circuit sleeve 11
Row processing, it passes through computer precise control high energy laser beam or electron beam partial fusing powder metal materials and successively piles up, from
And the entity component of the geometry of densification is directly generated according to 3 D complex computer model, thus do not limited by processing structure
System.Can according to demand open circuit the laser processing procedure of sleeve 11 in the substantially any special construction of one-shot forming and cooling water channel knot
Structure, greatly compensate for traditional mach defective workmanship, solve complicated open circuit tube-in-tube structure processing.
Specifically, the increases material manufacturing technology of open circuit sleeve 11 adopts equipment EOD M280, and corresponding software is PSW3.5, is wrapped
Include following steps：
First, to needing the part of open circuit sleeve 11 using increasing material manufacturing to set up computer three-dimensional model.
2nd, two-dimentionalization process is carried out to computer three-dimensional model, will computer three-dimensional model along Z-direction press equal thickness
It is divided into a series of X-Y schemes.
Above-mentioned, Z axis are coaxial with open circuit sleeve 11.Two-dimentionalization process is carried out to threedimensional model using software RP-Tools：I.e.
The structure is cut into into a series of X-Y scheme synusia that thickness is 10 μm in Z axis direction of principal axis, X-Y scheme synusia is actually
For the threedimensional model of the cutting of thinner thickness.In other embodiments, X-Y scheme synusia can select 10-100 μm in its
Remaining size.
3rd, according to the corresponding laser beam scan path of plan generation.
It is above-mentioned, the serial X-Y scheme is imported into software EOS PSW3.5, the software calculates each automatically according to image
Layer X-Y scheme laser beam scan path and use parameter.
4th, layer of material powder is equably laid on increasing material manufacturing apparatus processing platform.
It is above-mentioned, then increasing material manufacturing equipment processing platform surface spreading ground floor thickness be 10 μm of material powders.Material
Powder is the stainless steel particles of -100 μm of diameter 0 (not including).According to actual needs the thickness of paver powder is from different
The material powder of diameter.Material powder can also be titanium alloy, aluminium alloy, nickel-base alloy, tool steel, copper, noble metal and its
He can be used for any one in the metal material of increasing material manufacturing.
It should be noted that each layer is layed in the layer of the thickness of the material powder on processing platform and segmentation in step 2
It is thick equal.
5th, the material powder on laser beam scan path scanning machining platform is pressed using superlaser or electron beam, by high energy
Processing platform surface is consolidated in after the material powder fusing of laser or electron beam scanning.
Above-mentioned, computer will focus on laser in bisque according to first image control of the two dimensional image row for importing PSW3.5
Relevant position is scanned, the material powder focused in the range of laser fusion its scanning pattern of high energy, and by itself and platform/bottom
Seat is firmly fixed together.
6th, in clinkering one layer pattern processing platform surface laying second layer material powder.
It is above-mentioned, after ground floor sintering is finished, second layer thickness is sprawled for 10 μm in the ground floor patterned surface for having solidified
Material powder, afterwards computer control LASER Light Source according to second layer digital-to-analogue figure selecting fusing metal powder, and with the
One Rotating fields are merged.Wherein, the powder layer thickness sprawled every time is equal to single layer data thickness when two dimensionization is processed, with
Reach the accuracy of Z axis size.
7th, be repeated in step 5, six, until open circuit the monolithic molding of sleeve 11.
8th, it is again that the part of open circuit sleeve 11 for being sintered at processing platform is overall from increasing material manufacturing equipment together with processing platform
Middle removal, the cleaning injection open circuit surface of sleeve 11 and internal float powder are flat from processing by open circuit sleeve 11 by the way of wire cutting
Platform surface separates.
Above-mentioned, increasing material manufacturing is fused deposition (FDM), electron beam melting (EBM), laser near-net-shape (LENS), selection
Any one in property laser sintered (SLS), direct metal powder sintered (DMLS), 3D printing (3DP).
The processing of open circuit drill bit 12, including tradition machining and processing of polishing, and ensure the material that open circuit drill bit 12 is used
The heat treatment of material performance.Heat treatment includes the destressing of elastic link 123 and sofening treatment, the cure process of drill bit 122.
This polishing operation is carried out on a grinding apparatus, and polishing operation includes corase grind and refines.The polishing operation
Bistrique is that two ends carry certain radian, the bistrique shape that middle part is straight, the size of bistrique and the length phase of elastic link 123
Match somebody with somebody.
Polishing skilled worker comprises the following steps：
First, the elastic link 123 of open circuit drill bit 12 is held level with both hands and is placed on polishing special plane grip slipper, and clamped；
2nd, grip slipper is moved to into coarse-grinding head station by roller bearing screw mandrel, sets the amount of feeding and feeding time, started
Corase grind button proceeds by corase grind processing；
3rd, after corase grind terminates, fine grinding station is transferred to, with same method ground finish is carried out；4th, open circuit drill bit 12
The part polishing operation of elastic link 123 after the completion of, be transferred to subsequent treatment.
The processing method of the minimally invasive piercing operation instrument of the present invention has the advantages that：1. split using increasing material manufacturing
Road sleeve carries out molding, its pass through computer precise control high energy laser beam or electron beam partial fusing powder metal materials and by
Layer is piled up, and so as to directly generate the entity component of the geometry of densification according to 3 D complex computer model, thus is not processed
The restriction of structure, can according to demand open circuit sleeve laser processing procedure in the substantially any special construction of one-shot forming and cooling water
Line structure, greatly compensate for traditional mach defective workmanship, solve complicated open circuit tube-in-tube structure processing.
2. drill bit of opening a way is integrally formed by machining and grinding, and the heat treatment by being segmented so that open circuit is bored
The elastic link of head has elasticity, and drill bit has high rigidity.So as to meet the performance requirement of minimally invasive piercing operation instrument.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, and not
Be as restriction, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore limitation of the scope of the invention can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection model of the present invention
Enclose.
Claims (10)
1. minimally invasive piercing operation instrument, including open circuit sleeve and the open circuit drill bit in the open circuit sleeve, it is characterised in that
The open circuit sleeve includes sleeve body and the needle core base being connected with each other；
The open circuit drill bit includes the body of rod and drill bit, also including elastic link, the drill bit by the elastic link with it is described
The body of rod connects；
The sleeve body is provided with drill bit outlet, and in the sleeve body, the drill bit is gone out the body of rod by the drill bit
Stretch out in mouthful.
2. minimally invasive piercing operation instrument according to claim 1, it is characterised in that be formed with guiding on the drill bit opening
Groove, the inclined-plane of the gathering sill is at an acute angle with the angle of the axis of the sleeve body.
3. minimally invasive piercing operation instrument according to claim 1, it is characterised in that the sleeve body is provided with positioning
Block, the locating piece is exported in the same side of the sleeve body with the drill bit.
4. minimally invasive piercing operation instrument according to claim 1, it is characterised in that the needle core base is provided with pin hole.
5. the processing method of minimally invasive piercing operation instrument, it is characterised in that for opening described in any one of manufacturing claims 1-4
Road sleeve and the open circuit drill bit；The open circuit sleeve is formed in one component, is made using increasing material manufacturing, the open circuit drill bit
Be formed in one component, is processed into by machining and polishing, and carries out heat treatment to the open circuit drill bit.
6. the processing method of minimally invasive piercing operation instrument according to claim 5, it is characterised in that
The increasing material manufacturing, comprises the following steps：
First, computer three-dimensional modeling is carried out to the open circuit sleeve and splits the threedimensional model；
2nd, according to the corresponding laser beam scan path of graphic hotsopt of the segmentation；
3rd, paver powder；
4th, scanned on the material powder by the laser beam scan path using laser or electron beam；
5th, repeat step three and step 4 are until the open circuit sleeve forming.
7. the processing method of minimally invasive piercing operation instrument according to claim 5, it is characterised in that the increasing material manufacturing bag
Include that fused deposition, electron beam melting, laser near-net-shape, selective laser sintering, direct metal be powder sintered, 3D printing.
8. the processing method of minimally invasive piercing operation instrument according to claim 6, it is characterised in that described threedimensional model etc.
It is divided into some points, the thickness of the model of per part of segmentation is equal with the thickness of the material powder of each laying.
9. the processing method of minimally invasive piercing operation instrument according to claim 6, it is characterised in that the model of the segmentation
Thickness be 10-100 μm, -100 μm of a diameter of 0 (not including) of the material powder.
10. the processing method of minimally invasive piercing operation instrument according to claim 6, it is characterised in that the heat treatment bag
Include the destressing to the elastic link part and sofening treatment, the cure process to the bit part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093410.9A CN106667544A (en) | 2017-02-21 | 2017-02-21 | Minimally-invasive perforation surgical tool and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093410.9A CN106667544A (en) | 2017-02-21 | 2017-02-21 | Minimally-invasive perforation surgical tool and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106667544A true CN106667544A (en) | 2017-05-17 |
Family
ID=58861259
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093410.9A Pending CN106667544A (en) | 2017-02-21 | 2017-02-21 | Minimally-invasive perforation surgical tool and machining method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107981926A (en) * | 2017-09-20 | 2018-05-04 | 北京航空航天大学 | The new resistance to plucking based on increases material manufacturing technology goes out pedicle nail |
| CN110537954A (en) * | 2019-08-27 | 2019-12-06 | 谢军 | Drill bit for total hip joint replacement minimally invasive surgery |
| US11060559B2 (en) * | 2018-06-11 | 2021-07-13 | Eaton Intelligent Power Limited | Bi-metallic journal bearing with additive manufactured sleeve |
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| CN103143706A (en) * | 2013-03-07 | 2013-06-12 | 无锡安迪利捷贸易有限公司 | 3D (three dimensional) printing manufacturing method of seal |
| CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
| CN104869919A (en) * | 2013-07-12 | 2015-08-26 | Rios医疗股份公司 | Surgical perforation guide |
| CN207012215U (en) * | 2017-02-21 | 2018-02-16 | 苏州三峰激光科技有限公司 | Minimally invasive piercing operation instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143706A (en) * | 2013-03-07 | 2013-06-12 | 无锡安迪利捷贸易有限公司 | 3D (three dimensional) printing manufacturing method of seal |
| CN103251445A (en) * | 2013-04-19 | 2013-08-21 | 南京医科大学第一附属医院 | Device for operating vertebroplasty through unilateral vertebral pedicle |
| CN104869919A (en) * | 2013-07-12 | 2015-08-26 | Rios医疗股份公司 | Surgical perforation guide |
| CN207012215U (en) * | 2017-02-21 | 2018-02-16 | 苏州三峰激光科技有限公司 | Minimally invasive piercing operation instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107981926A (en) * | 2017-09-20 | 2018-05-04 | 北京航空航天大学 | The new resistance to plucking based on increases material manufacturing technology goes out pedicle nail |
| US11060559B2 (en) * | 2018-06-11 | 2021-07-13 | Eaton Intelligent Power Limited | Bi-metallic journal bearing with additive manufactured sleeve |
| CN110537954A (en) * | 2019-08-27 | 2019-12-06 | 谢军 | Drill bit for total hip joint replacement minimally invasive surgery |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170613 Address after: Suzhou City, Wuzhong District 215000, Jiangsu province Suzhou Industrial Park Nga Road No. 388 new Tianxiang Commercial Plaza 2 building 811 room Applicant after: SUZHOU SANFENG LASER TECHNOLOGY CO.,LTD. Address before: Jingjiang City West 214500 Jiangsu city of Taizhou Province Town West Village to Dai Wei room 2 No. 2-41 Applicant before: Wu Shuang |
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Address after: 215000 No. 9, Shek Yang Road, hi tech Zone, Suzhou, Jiangsu Applicant after: SUZHOU SANFENG LASER TECHNOLOGY CO.,LTD. Address before: 215000 811, room 2, new Tianxiang Commercial Plaza, 388 Suya Road, Wuzhong District Suzhou Industrial Park, Suzhou, Jiangsu Applicant before: SUZHOU SANFENG LASER TECHNOLOGY CO.,LTD. |
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Inventor after: Xiong Xiaojing Inventor after: Wu Shuang Inventor before: Wu Xinhua Inventor before: Mei Junfa Inventor before: Xiong Xiaojing Inventor before: Wu Shuang |
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Effective date of registration: 20190723 Address after: 511340 No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong Province (core zone of Zengcheng Economic and Technological Development Zone) Applicant after: GUANGZHOU HUATAI 3D MATERIAL MANUFACTURING TECHNOLOGY Co.,Ltd. Address before: 215000 No. 9 Shiyang Road, Suzhou High-tech Zone, Jiangsu Province Applicant before: SUZHOU BEIFENG LASER TECHNOLOGY CO.,LTD. |
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Application publication date: 20170517 |