CN102018582B - Ultrasonic wave syringe needle for dental department and medical treatment and manufacture method thereof - Google Patents
Ultrasonic wave syringe needle for dental department and medical treatment and manufacture method thereof Download PDFInfo
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- CN102018582B CN102018582B CN 201010561318 CN201010561318A CN102018582B CN 102018582 B CN102018582 B CN 102018582B CN 201010561318 CN201010561318 CN 201010561318 CN 201010561318 A CN201010561318 A CN 201010561318A CN 102018582 B CN102018582 B CN 102018582B
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Abstract
The invention provides an ultrasonic wave syringe needle for a dental department and medical treatment and a manufacture method thereof, wherein the durability and reliability of the ultrasonic wave syringe needle can be improved, and the ultrasonic wave syringe needle is easy to manufacture. The manufacture method of the ultrasonic wave syringe needle for the dental department and the medical treatment comprises the following steps: ejecting shaped mixture comprising powder to manufacture a middle shaping body, wherein the middle shaping body comprises a syringe body and a plurality of syringe bulges, and the syringe bulges are integrated on the surface of the syringe body and form a bulge; and sintering the middle shaping body.
Description
Technical field
The present invention relates to a kind of dentistry and ultrasonic wave syringe needle and preparation method thereof is used in medical treatment, more detailed saying relates to a kind of durability and reliability and the dentistry that is easy to make and medical treatment of can improving and uses ultrasonic wave syringe needle and preparation method thereof.
Background technology
The ultrasonic wave syringe needle that dentistry is used, be used to use hyperacoustic vibrational energy vibration syringe needle to adhere to foreign body or carry out Neurotherapeutic (operative root canal) with other with the tartar that removal is deposited on the tooth, in addition, also be widely used in the various dental treatments such as dental implant surgical, periodontal surgery, operation on oral cavity and the operation of maxillary face.In addition, the ultrasonic wave syringe needle that medical treatment is used, be used for bone is being carried out plastic surgery operations, be bone-culting operation (osteotomy), boring operation (drilling), during saucerization (saucerization) of skiving cortical bone (corticalbone) etc., with the operation take beauty treatment as purpose, namely according to the vibration (oscillation) of mechanical bit, move back and forth (reciprocation) and when carrying out according to bone polishing all operations such as (rasp) of milling tool, reduce as far as possible soft tissue (nerve, blood vessel, muscle etc.) damage.
Usually, the ultrasonic wave syringe needle that dentistry is used has the closer to the tip position just less cross section and the sharp end of point, is coated with the coating of the granule (such as diamond particles) that possesses the projection of being used to form on the surface of syringe needle.In fact, contacting and friction between the ultrasonic wave syringe needle that dentistry is used and the operative site is by being achieved from the diamond particles contact treatment position of the outstanding coating in the surface of syringe needle.
Yet the ultrasonic wave syringe needle that existing dentistry is used is made by habitual machinings such as cutting and grindings, therefore exists and carries out Precision Machining difficulty, the high problem of bad product incidence rate.In addition, in the past, the surface of the ultrasonic wave syringe needle that dentistry is used need to increase the process engineering of extra formation coating, therefore has the problem of producing number and expense increase.
As mentioned above, the ultrasonic wave syringe needle that existing dentistry is used has machinery to be processed into, and therefore has following problem, be about to the processing precise degree and bring up to a certain degree above difficulty, the restriction that can only use machining to be easy to material is arranged, make the unit price height and process velocity is slow, be unfavorable for a large amount of productions.
In addition, the ultrasonic wave syringe needle that existing dentistry is used has and repeatedly the contacting and rub and cause the problem of the coating local shedding of needle surface of tooth, can have therefore that therapeutic efficiency is low, the low problem of medical science safety.Particularly, the coating granule (diamond particles) of the ultrasonic wave syringe needle that existing dentistry is used has the problem that is easy to from coating shedding, and it can cause durability and service life is low, the accuracy for the treatment of and problem that convenience is hindered.
Therefore, truth in recent years is to use the various investigations of ultrasonic wave syringe needle to carry out about the dentistry that improves ruggedness and reliability, is easy to make, but still have deficiency.
Summary of the invention
Technical purpose
The object of the present invention is to provide ultrasonic wave syringe needle of a kind of dentistry and medical treatment use and preparation method thereof, it can be simplified production process, reduce manufacturing cost.
In addition, the object of the present invention is to provide ultrasonic wave syringe needle that a kind of dentistry and medical treatment use and preparation method thereof, it makes fast easily, be conducive to large-scale production, can improve the processing precise degree and do not have materials limitations.
In addition, the object of the present invention is to provide ultrasonic wave syringe needle of a kind of dentistry and medical treatment use and preparation method thereof, it can improve ruggedness and reliability and life-saving.
In addition, the object of the present invention is to provide ultrasonic wave syringe needle of a kind of dentistry and medical treatment use and preparation method thereof, it can improve therapeutic efficiency, improve degree of accuracy and the convenience for the treatment of.
Technical scheme
In view of reaching the invention described above purpose, the invention provides the manufacture method of the ultrasonic wave syringe needle of a kind of dentistry and medical treatment use, may further comprise the steps:
The shaping mixt that comprises powder is provided;
Spray described shaping mixt and make intermediate molded body, described intermediate molded body comprises needle body and becomes one on described needle body surface and a plurality of spiculas of forming projection rise;
The described intermediate molded body of sintering;
Wherein, described needle body rises with a plurality of spiculas and uses identical material, and described a plurality of spicula plays the smooth position that closely is arranged in described needle body.
As powder, can use metal dust, according to circumstances difference can also be mixed use with metal dust with non-metal powder, in addition can also mix various functional additives be used to improving physical characteristic.
The shape that described spicula rises, size and row put, condition that can be as requested and design specification and carry out various changes.For example, described spicula rises, and is positioned on the noncontact position, is the shape that can contact at least a mode in a contact, line contact, the face contact the position that is touched; For example, to rise can be at least one shape in frustum (frustum of a cone, polygonal frustum etc.), cylinder, polyhedron (pentahedron, hexahedron etc.) and the ellipsoid of circular cone, polygonal cone (such as quadrangular pyramid, pyrometric cone), circular cone and polygonal cone to described spicula.Also have, described spicula rises, and is the shape that its vertical cross section forms along the hand of spiral or the continuous projection of circumferencial direction with triangle, at least one shape in the shape that its vertical cross section forms along the hand of spiral or the continuous projection of circumferencial direction with quadrangle.
Needle body can be to possess certain-length with the shape formation of straight line, can also be the shape of curve.Described needle body can have the closer to the tip position end of just less cross section and point point, and as requested, it can also possess the polygon cross section of circular cross section or triangle or quadrangle and so on.
Also have, described needle body can wholely have identical thickness and width, and in this case, spicula rises preferably to be done just littlely the closer to the distal portion of needle body.In this case, the global shape of the ultrasonic wave syringe needle of dentistry use can be made by a plurality of spiculas with different sizes and work a kind of conical in shape that consists of.Certainly, all spicula rises to make has identical size and shape.
In addition, shaping mixt can comprise binding agent, can add the step with the binding agent defat of at least a portion of removing binding agent before the sintering intermediate molded body.In the step of defat intermediate molded body, binding agent can be removed by habitual degreasing method.For example, binding agent can be removed through the solvent degreasing step of using solvent and the hot rolling defatting step that uses heat.
Ultrasonic wave syringe needle of the present invention, the tartar that not only can be used for using hyperacoustic vibrational energy to vibrate to remove and be deposited on the tooth and other adhere to foreign body, can also be used for carrying out various Neurotherapeutics (operative root canal), in addition, also be widely used in the various dental treatments such as dental implant surgical, periodontal (periodontal) operation, operation on oral cavity and maxillary face (maxillofacial) operation.In addition, ultrasonic wave syringe needle of the present invention, except above-mentioned dental treatment, also be used in bone is carried out plastic surgery operations, be bone-culting operation (osteotomy), boring operation (drilling), the saucerization (saucerization) of skiving cortical bone (cortical bone) etc., with the operation take beauty treatment as purpose, namely according to the vibration (oscillation) of mechanical bit, move back and forth (reciprocation) and when carrying out according to bone polishing all operations such as (rasp) of milling tool, reduce as far as possible soft tissue (nerve, blood vessel, muscle etc.) damage.
Technique effect
Ultrasonic wave syringe needle and manufacture method thereof according to dentistry of the present invention and medical treatment use, need not extra interpolation processing, by the powder injection engineering, spicula is worked the ultrasonic wave syringe needle of making the use of shape all-in-one-piece dentistry, manufacturing engineering is easy, and can reduce production costs.
In addition, according to the present invention, can simplify the fabrication of the ultrasonic wave syringe needle of dentistry and medical treatment use, be conducive to large-scale production, compare with machining, the processing precise degree obviously improves, and moreover, is using machining not allow the situation of wield material also can easily make the ultrasonic wave syringe needle that dentistry is used.
In addition, according to the present invention, needle body and spicula rise and are not parts separately, but parts of shape all-in-one-piece, therefore, can prevent or decrement reduces spicula that the contact between the position causes rises separate and breaks away from, raising durability and reliability that be touched of ultrasonic wave syringe needle that dentistry uses and tooth.
In addition, according to the present invention, can have the life-span that prolongs product and improve precision and the effect of convenience.
In addition, according to the present invention, can easily make the ultrasonic wave syringe needle that dentistry that the various spiculas of the condition as requested of the size, shape, number and the layout that have the spicula do not limit and rise and format rise and medical treatment are used.In addition, according to the present invention, condition that can be is on request put spicula and is risen to arrange regularly.
In addition, according to the present invention, along with the sintering of intermediate molded body, the pore in the intermediate molded body is removed, and in the time of along with the dwindling of intermediate molded body, the spicula that consists of intermediate molded body rises also shrinks, thereby can form the spicula with microminiature size and rise.
Description of drawings
Fig. 1 and Fig. 2 are be used to the block diagram and the procedure chart that illustrate according to the manufacture method of dentistry of the present invention and medical treatment use ultrasonic wave syringe needle;
Fig. 3 is the perspective view that illustrates according to the structure of dentistry of the present invention and the medical ultrasonic wave syringe needle that uses;
Fig. 4 is the side view that illustrates according to the structure of dentistry of the present invention and the medical ultrasonic wave syringe needle that uses;
Fig. 5 is the I-I line profile of Fig. 4;
Fig. 6 to Figure 11 be illustrate according to other embodiments of the invention dentistry and the axonometric chart of the structure of the ultrasonic wave syringe needle that uses of medical treatment.
The specific embodiment
Hereinafter with reference to appended drawing, introduce in detail suitable embodiment of the present invention, but the present invention is not limited by the examples or limits.In the explanation to embodiments of the invention, be clear and definite key of the present invention, will omit specifying of known function or structure.
Fig. 1 and Fig. 2 are be used to the block diagram and the engineering drawing that illustrate according to the manufacture method of dentistry of the present invention and medical treatment use ultrasonic wave syringe needle.In addition, Fig. 3 is the perspective view that illustrates according to the structure of dentistry of the present invention and the medical ultrasonic wave syringe needle that uses, and Fig. 4 is the side view that illustrates according to the structure of dentistry of the present invention and the medical ultrasonic wave syringe needle that uses, the I-I line profile of the 5th, Fig. 4.
As described in these accompanying drawings, according to the ultrasonic wave syringe needle of dentistry of the present invention and medical treatment use, will be by the described manufacture process manufacturing in back.
According to of the present invention, the ultrasonic wave syringe needle 100 that dentistry and medical treatment are used can be made by following steps: the step S10 that the shaping mixt that comprises powder is provided; Spray described shaping mixt and make the step S20 of intermediate molded body, described intermediate molded body comprises needle body 200 and becomes one on described needle body 200 surfaces and at least one spicula of forming projection plays 300; The described intermediate molded body 100 of sintering ' step S30.
At first, the shaping mixt 30 that comprises powder.Described shaping mixt 30 forms with a certain size raw material (feedstock) unit, so that carry out easily to the supply of common injection machine 210.
As described powder, can use habitual metal dust or its mixture, according to circumstances different, can be except metal dust the mixture of habitual non-metal powder and non-metal powder being mixed provides, in addition, can also mix various functional additives for improving physical characteristic and biocompatibility.For example, as described powder, can use rustless steel＜such as 316,304 and so on austenite (Austenite) is, 420,440 and so on martensite (Martensite) is or 630, precipitation-hardening (Precipitation hardening) of 631 and so on etc.〉or abrasion-resistant stee (such as SKD, SCM etc.), titanium alloy is (such as Ti, Ti-6Al-4V etc.) etc. metal dust or its mixture, according to circumstances different can also be with the carbide alloy outside the metal dust (WC-Co WC-Co), pottery (zirconium oxide, and so on aluminium oxide etc.) etc. non-metal powder and the mixture of non-metal powder mix and use.
Simultaneously, shaping mixt can provide with binding agent, and powder and binding agent can mix under suitable temperature with predetermined mixed proportion to be provided.For example, in the step of shaping mixt is provided, can provide 30～70% the binding agent that comprises cumulative volume powder, that be mixed with this stock in the stock, can injection moulding shaping mixt.The ratio of powder and binding agent can condition as requested change, and the present invention is not by the restriction of the ratio of powder and binding agent or restriction.
Here, described binding agent is injected among the mould that raw material is powder in injection process equably, take give mobile and improve simultaneously intermediate molded body 100 by die forming ' intensity mix as purpose.Described binding agent can use habitual single binding agent, and is according to circumstances different, also can use together the different multiple binding agent of fusing point (melting point).For example, described binding agent can quantitatively be combined by blended wax (paraffin wax), polyethylene (polyethylene), polypropylene (polypropylene), stearic acid (stearic acid) etc.In addition, as described binding agent, can also add binding agent, lubricant, plasticizer and surfactant etc. and composition thereof.In addition, provide in the step of shaping mixt, powder and binding agent can evenly mix by habitual Biaxial Compressive removing from mould mixer or twolip mixing mixer etc.
Next step, use described plastic molding compound 30, by powder injection forming (Powder Injection Molding:PIM) technique form intermediate molded body 100 ', described intermediate molded body 100 ' comprise needle body 200 and become one on described needle body 200 surfaces and a plurality of spiculas of forming projection play 300.
That is, shaping mixt 30, the cylinder 211 that is admitted to injection machine 210 is interior by plasticization, from the nozzle 20 of cylinder 211 to mould 20 exit wound of bullet cooling curings, thus the desirable intermediate molded body 100 that goes out the ultrasonic wave syringe needle shape '.
Simultaneously, make described intermediate molded body 100 ' step in, spicula plays 300 shape, size and row and puts, condition that can be as requested and design specification and carry out various changes.For example, described spicula plays 300, can be the shape that can contact at least a mode in a contact, line contact, the face contact the position that is touched.For example, to play 300 can be at least one shape in frustum (frustum) (frustum of a cone, polygonal frustum etc.), cylinder, polyhedron (pentahedron, hexahedron etc.) and the ellipsoid of circular cone, polygonal cone (such as quadrangular pyramid, pyrometric cone etc.), circular cone, polygonal cone to spicula.Different therewith, it can be with the similar shape of a kind of triangle screw that spicula rises, at least one shape (with reference to Fig. 3, Fig. 6 to Figure 10) in the shape that the shape that its vertical cross section forms along the continuous projection of the hand of spiral or circumferencial direction with triangle or with the similar shape of a kind of square head bolts, its vertical cross section form along the hand of spiral or the continuous projection of circumferencial direction with quadrangle.
In addition, make described intermediate molded body 100 ' step in, needle body 200 can possess certain-length and consist of with the shape of straight line, according to circumstances difference can also be the shape of curve.This needle body 200 preferably has the tip with regard to less cross section and point point the closer to terminal (distal end) with common conical in shape, and condition as requested can also possess circular cross section or polygon cross section (such as triangle or quadrangle).
Different therewith, needle body can wholely have identical thickness and width, and in this case, it is just less the closer to end that spicula works the butt (proximal end) that is preferably made from needle body.Under this structure, the global shape of the ultrasonic wave syringe needle that dentistry and medical treatment are used can be made by a plurality of spiculas with different sizes and work a kind of conical in shape that consists of.Certainly, according to circumstances different, all spicula rises to make has mutually identical size and shape.
Next step can carry out the defat engineering (Debinding) of using habitual degreasing equipment (not shown), remove described intermediate molded body 100 ' at least a portion of the binding agent that contains.
At this moment, described binding agent is to comprise that described binding agent can be removed through several times defat engineering in fact when the have mutually different characteristic a plurality of binding agents of (for example molten point) consisted of.For example, described binding agent can be removed through the solvent degreasing engineering (Solvent debinding) of using solvent and the hot rolling defat engineering (Thermal debinding) of using heat.
Namely, the step of removing the wax class such as paraffin in the described binding agent and middle formed body being carried out solvent degreasing, can realize by the habitual solvent degreasing method of using normal hexane (N-Hexane), heptane (Heptane), diluent (Thinner) equal solvent, for removing the remainder in the described binding agent, step to the hot rolling defat is carried out in the intermediate molded body heating of having carried out solvent degreasing can realize by common thermal decomposition degreasing method.Difference according to circumstances, also applicable with other habitual degreasing methods such as electrolytic degreasing, ultrasonic degreasings, replace using the degreasing method of foregoing defat engineering.
Simultaneously, in the described hot rolling defatting step, the situation of metal dust, in the heating furnace of keeping reproducibility or inert atmosphere, middle formed body is heated, get rid of the oxidation of contingent intermediate molded body in the hot rolling defat, after the hot rolling defat, preferably carry out rising hot rolling debinding furnace temperature, increase the preparation sintering engineering of intensity of the intermediate molded body of defat.
At last, remove described intermediate molded body 100 ' pore make it possess mechanical strength, in the habitual sintering furnace (not shown) of uniform temperature condition and atmosphere is kept in execution, carry out sintering engineering (Sintering), finish thus the making of the ultrasonic wave syringe needle that dentistry and medical treatment use.
In this process, the sintering temperature that requires, according to intermediate molded body 100 ' material be that kind, granularity, purity and the additive types of powder may be slightly variant, the situation of powder of stainless steel, under the state of keeping general about 1000 ℃～1500 ℃ sintering furnace temperature conditions, carry out the words of sintering, though sintering time physical property as requested is different, and is suitable about 1 minute substantially～5 hours.
Preferably, the described hot rolling defatting step that is used for the removal binding agent does not additionally separate with the process that sintering has been removed the intermediate molded body of binding agent, but carries out simultaneously by sintering furnace.In this case, sintering has been removed by the solvent degreasing process in the process of intermediate molded body of a part of binding agent, can carry out in the lump the hot rolling defat, therefore can shorten its engineering, can expect thus a large amount of productions of better product.
It is very difficult that the spicula of simultaneously, processing tens of micron (micron) size by general machining rises.But, hit at this, as mentioned above, along with intermediate molded body 100 ' sintering, intermediate molded body 100 ' interior pore is removed and intermediate molded body 100 ' dwindle, along with intermediate molded body 100 ' dwindle, spicula plays 300 and also dwindles, and can form thus the spicula with subminiature size and play 300.In addition because the intermediate molded body 100 by injection moulding ' even density, so the sintering shrinkage of X, Y, three directions of Z can be identical, also can keep uniform size thereby make each spicula play 300.
The ultrasonic wave syringe needle 100 of being made by aforesaid manufacture method shakes by frequency, can be used for removing the tartar that is deposited on the tooth adheres to foreign body or carries out Neurotherapeutic (operative root canal) with other, in addition, also be widely used in dental implant surgical, periodontal (periodontal) operation, operation on oral cavity and maxillary face operation various dental treatments such as (maxillofacial).In addition, according to ultrasonic wave syringe needle 100 of the present invention, except described dental treatment, also be used for bone is being carried out plastic surgery operations, be bone-culting operation (osteotomy), boring operation (drilling), the saucerization (saucerization) of skiving cortical bone (cortical bone) etc., with the operation take beauty treatment as purpose, namely according to the vibration (oscillation) of mechanical bit, move back and forth (reciprocation) and when carrying out according to bone polishing all operations such as (rasp) of milling tool, reduce as far as possible soft tissue (nerve, blood vessel, muscle etc.) damage.
Below, to the example of dentistry according to the present invention and the medical ultrasonic wave syringe needle 100 that uses be described, as described in Fig. 3 to Fig. 5, described example comprises needle body 200 and becomes one with described needle body 200 and at least one spicula of forming projection on the surface of needle body 200 plays 300, described needle body 200 has the closer to the less diameter of tip, and spicula plays 300 formation can put the cone shape that contact is touched the position.
As mentioned above, it is not independent separately parts that described needle body 200 and spicula play 300, but is connected to become parts by powder injection forming.
Described needle body 200 has circular cross section, and has certain-length, linearly shape.In an embodiment of the present invention, showing needle body has circular cross section and has the closer to the example of the less diameter of end, but according to circumstances different, needle body has the closer to the less polygon cross section of end, can possess a plurality of taper surface (not shown) on the surface of needle body.For example, in an embodiment, the surface of needle body can be divided into 4 taper surfaces, and the surface of different needle bodies can also be divided into 2, the taper surface more than 3 or 5 therewith.
Described spicula plays 300 and has the sharp summit of point, is the coniform shape with rounded bottom surface, forms one with needle body 200, distributes on the surface of needle body 200 comprehensively.At this moment, described spicula plays 300 axle, can arrange that to be set to relative bottom surface vertical, and difference according to circumstances can also be arranged and is set to the relative ground of axle that spicula rises and is certain inclination.This spicula plays 300 inclined plane angle (α) and spicula and plays 300 height h and can as requested condition and treatment environment carry out various changes.
Below, will be to dentistry and medical treatment use ultrasonic wave syringe needle to describe according to an embodiment of the invention.Fig. 6 to Figure 11 is dentistry and the medical perspective view that uses the structure of ultrasonic wave syringe needle that illustrates according to other embodiments of the invention.Simultaneously, identical with foregoing structure or be equivalent to identical part and give identical or be equivalent to identical reference marks, will omit its detailed description.
As shown in Figure 6, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, at least one spicula that comprises needle body 200, becomes one with described needle body 200 and form on the surface of needle body 200 projection plays 310, described needle body 200 has the closer to the less cross section of end (circular cross section or polygon cross section), spicula plays 310 and has the sharp summit of point, be the quadrangular pyramid shape shape with tetragonal bottom surface, form one with needle body 200, form projection on the surface of needle body 200.
In addition, as shown in Figure 7, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, at least one spicula that comprises needle body 200, becomes one with described needle body 200 and form on the surface of needle body 200 projection plays 320, described needle body 200 has the closer to the less cross section of end (circular cross section or polygon cross section), spicula plays 320 and has the sharp summit of point, be the triangular pyramidal shape with triangle bottom surface, form one with needle body 200, form projection on the surface of needle body 200.
In addition, as shown in Figure 8, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, at least one spicula that comprises needle body 200, becomes one with described needle body 200 and form on the surface of needle body 200 projection plays 330, described needle body 200 has the closer to the less cross section of end (circular cross section or polygon cross section), spicula plays 330 and is frustum (frustum) shape that the tip has circle (or polygon) contact surface, form one with needle body 200, form projection on the surface of needle body 200.Here, described so-called frustum (frustum), the frustum that not only can comprise common cone is that the frustum of the frustum of a cone (can also comprise oblique circular cylinder), common quadrangular pyramid is that the frustum of quadrangular pyramid platform (can also comprise oblique parallelepiped), common pyrometric cone is triangular cone table (can also comprise oblique parallel pentahedron), also can comprise the polyhedrons such as common cylinder, hexahedron, pentahedron.The shape of this frustum and structure can as requested condition and format be carried out various variations, and the present invention is not subjected to restriction or the restriction of shape and the structure of frustum.
Among the foregoing embodiment, having described the spicula that forms with frustum (frustum) shape plays 330 contact surface (upper bottom surface) and is different sizes but the example of the identical formation of shape from bottom surface, but according to circumstances different, contact surface (upper bottom surface) that also can spicula rises as common round platform or polyhedral body has identical size (or shape) formation with bottom surface.
In addition, as shown in Figure 9, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, at least one spicula that comprises needle body 200, becomes one with described needle body 200 and form on the surface of needle body 200 projection plays 340, described needle body 200 has the closer to the less cross section of end (circular cross section or polygon cross section), spicula plays 340 and is hemisphere or oval hemisphere (ellipsoidal solid) shape, form one with needle body 200, form projection on the surface of needle body 200.In addition, as shown in figure 10, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, comprise needle body 200, at least one spicula that becomes one with described needle body 200 and form projection on the surface of needle body 200 plays 350, described needle body 200 has the closer to the less cross section of end (circular cross-section or polygonal cross section), spicula plays 350 with the similar shape of a kind of triangle screw, its vertical cross-section is with the shape of triangle along the hand of spiral or the continuous projection formation of circumferencial direction, form one with needle body 200, form projection on the surface of needle body 200.
In addition, as shown in figure 11, ultrasonic wave syringe needle is used in dentistry according to another embodiment of the invention and medical treatment, comprise needle body 200, at least one spicula that becomes one with described needle body 200 and form projection on the surface of needle body 200 plays 360, described needle body 200 has the closer to the less cross section of end (circular cross section or polygon cross section), spicula plays 360 with the similar shape of a kind of square head bolts, its vertical cross-section is with the shape of quadrangle along the hand of spiral or the continuous projection formation of circumferencial direction, form one with needle body 200, form projection on the surface of needle body 200.
Among the description of front and each embodiment of the present invention, only be illustrated using the example that a kind of spicula rises, according to circumstances need not, also can use simultaneously foregoing each spicula with different shape and rise.
As mentioned above, be illustrated with reference to suitable embodiment of the present invention, but the those of skill in the art of correlative technology field should be appreciated that in the scope in the thought of the present invention put down in writing in not breaking away from accompanying claim scope and field, can carry out various modifications and distortion to the present invention.
Claims (13)
1. the manufacture method of the ultrasonic wave syringe needle that uses of a dentistry and medical treatment may further comprise the steps:
The shaping mixt that comprises powder is provided, and described shaping mixt also comprises binding agent;
Add described shaping mixt in the mould, and spray described shaping mixt and make intermediate molded body, described intermediate molded body comprises needle body and becomes one on described needle body surface and a plurality of spiculas of forming projection rise;
The described intermediate molded body of sintering;
Wherein, described needle body rises with a plurality of spiculas and uses identical material, and described a plurality of spicula plays the smooth position that closely is arranged in described needle body.
2. the method for claim 1 is characterized in that:
Described spicula rises, and is positioned on the noncontact position, is the shape that can contact at least a mode in a contact, line contact, the face contact the position that is touched.
3. method as claimed in claim 2 is characterized in that:
Described spicula rises, and is at least one shape in circular cone, polygonal cone, the frustum of a cone, polygonal frustum, cylinder, polyhedron and the ellipsoid.
4. method as claimed in claim 2 is characterized in that:
Described spicula rises, and is the shape that its vertical cross section forms along the continuous projection of the hand of spiral or circumferencial direction with triangle, at least one shape in the shape that its vertical cross section forms along the hand of spiral or the continuous projection of circumferencial direction with quadrangle.
5. the method for claim 1 is characterized in that:
Described spicula rises, and has identical or different size.
6. the method for claim 1 is characterized in that:
Described needle body has circular cross section or polygon cross section.
7. the method for claim 1 is characterized in that:
The described shaping mixt that comprises binding agent is provided,
Described method further may further comprise the steps:
Before the described intermediate molded body of sintering, described intermediate molded body is carried out defat, to remove at least a portion of described binding agent.
8. the ultrasonic wave syringe needle that uses of a dentistry and medical treatment, it comprises:
Needle body; With
A plurality of spiculas rise, and itself and described needle body form one, protrude from the smooth position of described needle body, and closely are arranged on the described needle body;
It is characterized in that: described needle body and described spicula rise, by shaping mixt is sprayed the while thermal sintering with the consistent model of shape that the described needle body of correspondence and described spicula rise; Described shaping mixt is the shaping mixt that comprises the powder of binding agent.
9. ultrasonic wave syringe needle as claimed in claim 8 is characterized in that:
Described spicula rises, and is positioned on the noncontact position, is the shape that can contact at least a mode in a contact, line contact, the face contact the position that is touched.
10. ultrasonic wave syringe needle as claimed in claim 9 is characterized in that:
Described spicula rises, and is at least one shape in circular cone, polygonal cone, the frustum of a cone, polygonal frustum, cylinder, polyhedron and the ellipsoid.
11. ultrasonic wave syringe needle as claimed in claim 9 is characterized in that:
Described spicula rises, and is the shape that its vertical cross section forms along the continuous projection of the hand of spiral or circumferencial direction with triangle, at least one shape in the shape that its vertical cross section forms along the hand of spiral or the continuous projection of circumferencial direction with quadrangle.
12. ultrasonic wave syringe needle as claimed in claim 8 is characterized in that:
Described spicula rises, and has identical or different size.
13. ultrasonic wave syringe needle as claimed in claim 8 is characterized in that:
Described needle body has circular cross section or polygon cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010561318 CN102018582B (en) | 2010-11-25 | 2010-11-25 | Ultrasonic wave syringe needle for dental department and medical treatment and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010561318 CN102018582B (en) | 2010-11-25 | 2010-11-25 | Ultrasonic wave syringe needle for dental department and medical treatment and manufacture method thereof |
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| WO2014158683A1 (en) * | 2013-03-13 | 2014-10-02 | DePuy Synthes Products, LLC | Bone cutting device |
| CN106037885A (en) * | 2016-07-04 | 2016-10-26 | 北京水木天蓬医疗技术有限公司 | Ultrasonic bone knife head |
| CN114533277A (en) * | 2022-02-24 | 2022-05-27 | 上海电气集团股份有限公司 | Control method of mechanical arm, electronic device and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2239788Y (en) * | 1995-08-23 | 1996-11-13 | 陕西航空工业科学技术公司西安公司 | Ultrasonic tooth cleaner |
| JP2001231795A (en) * | 2000-01-24 | 2001-08-28 | Dentsply Internatl Inc | Method for making tool tip and tool tip |
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| AU2004253548C1 (en) * | 2003-06-27 | 2009-06-11 | Den-Mat Holdings, Llc | Ultrasonic dental tool having a light source |
| KR100539408B1 (en) * | 2003-11-03 | 2005-12-28 | 이팔형 | A scaler |
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| CN2239788Y (en) * | 1995-08-23 | 1996-11-13 | 陕西航空工业科学技术公司西安公司 | Ultrasonic tooth cleaner |
| JP2001231795A (en) * | 2000-01-24 | 2001-08-28 | Dentsply Internatl Inc | Method for making tool tip and tool tip |
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