Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of puncture core tip and with the puncture core tipCore and puncture outfit are punctured, to overcome the deficiencies in the prior art.
For achieving the above object, the present invention provides a kind of puncture core tip comprising: spike body and several pointsFrom structure；
The front of the spike body is pyramidal structure, and the surface of the pyramidal structure is to puncture acting surface, described severalSeparated structure is distributed on the puncture acting surface, and any separated structure has unidirectional detaching direction, point of each separated structureIt is identical from direction；
Any separated structure includes separation ontology, and the separation ontology has cutting edge and at least two faces, described two facesFor the first face and the second face, first face is intersected with the puncture acting surface, second face formed the cutting edge with it is describedThe transition face between acting surface is punctured, second face is the plane tangent with the puncture acting surface.
As the improvement at puncture core tip of the invention, the rear portion of the spike body is mounting structure.
As the improvement at puncture core tip of the invention, the mounting structure is hollow structure, hollow mounting structure toolThere is installing port.
As the improvement at puncture core tip of the invention, the pyramidal structure is hollow structure, the mounting structure and institutePyramidal structure is stated to be connected.
As the improvement at puncture core tip of the invention, the mounting structure is solid construction.
As the improvement at puncture core tip of the invention, the pyramidal structure is solid construction, the mounting structure and institutePyramidal structure is stated to be made of one piece.
As the improvement at puncture core tip of the invention, several separated structures are equally distributed in the puncture effectOn face.
As the improvement at puncture core tip of the invention, the quantity of the separated structure is more than or equal to three.
As the improvement at puncture core tip of the invention, first face is intersected with second face and intersecting lens is formedCutting edge, alternatively, also having at least one face, at least one described face and described second between first face and second faceFace intersection and intersecting lens formation cutting edge.
For achieving the above object, the present invention also provides a kind of puncture cores, have puncture core tip as described above.
For achieving the above object, the present invention also provides a kind of puncture outfits, have puncture core as described above.
Compared with prior art, the beneficial effects of the present invention are: the present invention improves hand by the way that multiple separated structures are arrangedPuncture cutting efficiency when art effectively shortens and punctures the time, meets the operating habit of doctor, and advantageously forms more smoothNotch.And the present invention reduces the damage to patient, and improve and puncture core point by the way that several unidirectional separated structures are arrangedThe intensity at end.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to endSame or similar label indicates same or similar element or element with the same or similar functions.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width "," thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axisTo ", " radial direction ", " circumferential direction ", the orientation or positional relationship of the instructions such as " reciprocal " be to be based on the orientation or positional relationship shown in the drawings,Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specificOrientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importanceOr implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed orImplicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, threeIt is a etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understandFor limitation of the present invention.Each technical solution of the invention is described in detail below with reference to specific embodiment.It needsIllustrate, below alleged " front ", " rear portion ", " front end " and " tail end " be using the puncture direction of puncture outfit as reference, i.e.,It punctures direction and front is directed toward by rear portion, front end is directed toward by tail end.In attached drawing, direction shown in arrow B is to puncture direction.
As shown in Figure 2,3, puncture core tip 1 of the invention includes: spike body 10 and is formed in the spike bodySeveral separated structures 20 on 10.
Wherein, the front of the spike body 10 is pyramidal structure 11, and the surface of the pyramidal structure 11 is and human body skinThe puncture acting surface 110 that skin is in contact.To realize that the present invention punctures wearing for core tip 1 by the spike body 10 of taperDazzling.It should be noted that pyramidal structure 11 referred to herein not only refers to geometric taper, it should include geometryOn taper and other similar taper distressed structure.Correspondingly, the puncture acting surface 110 is plane or curved surface.
Further, the rear portion of the spike body 10 is mounting structure 12, i.e., puncture core tip 1 of the invention passes through instituteMounting structure 12 is stated to realize and puncture being fixedly connected for core bar.Specifically, the mounting structure 12 can be set with or be plugged in describedOn the end for puncturing core bar.
As an implementation, the mounting structure 12 is set on the end for puncturing core bar, the installation knotStructure 12 is hollow structure, and hollow mounting structure 12 has installing port 120.To which the hollow mounting structure 12 passes through instituteInstalling port 120 is stated to be set on puncture core bar.
Specifically, installation space is formed inside hollow mounting structure 12, the end for puncturing core bar is accommodated in the peaceIt fills in space, realizes that the installation of the two is fixed.Connect in addition, the mounting structure 12 has with one end of the installing port 120The inclined-plane 121 of continuous setting, which can play the role of guiding in puncture process.Guiding role referred to herein refers to,Go deep into when puncture with spike body 10, when inclined-plane 121 is in contact with skin at abdominal incision, skin edge at abdominal incisionThe inclined-plane 121 be transitioned on the puncture core bar.
In present embodiment, when the mounting structure 12 is hollow structure, in order to further mitigate spike body 10Weight, the pyramidal structure 11 may be alternatively provided as hollow structure, at this point, the mounting structure 12 is connected with the pyramidal structure 11It is logical, and the two is made of one piece.
In another embodiment, the mounting structure 12 is solid construction, and the mounting structure 12 is plugged in described wearIt pierces on the end of core bar.Specifically, the inside for puncturing core bar forms installation space, and mounting structure 12 is all accommodated in instituteIt states in the installation space for puncturing core bar, realizes that the installation of the two is fixed., so that it obtains higher intensity, be so conducive to insertConnect the progress of installation.Correspondingly, the pyramidal structure 11 may be alternatively provided as solid construction, it is preferable that the mounting structure 12 withThe pyramidal structure 11 is made of one piece.In addition, when being fixedly connected by inserting mode, mounting structure 12 and pyramidal structure11 can also be used hollow structure as described above.
The separated structure 20 is for separating the notch of human body in puncture process, in order to the progress of puncture.It being punctured on acting surface 110 simultaneously as separated structure 20 is located at, itself can play the role of reinforcing rib, thus, it improvesPuncture the intensity at core tip.
Specifically, the separated structure 20 is several, several separated structures 20 are distributed in the puncture acting surface 110On.Preferably, several separated structures 20 are equidistant and are distributed evenly in the puncture acting surface 110 of the pyramidal structure 11On.
" several separated structures 20 are distributed on the puncture acting surface 110 " refers to: the separated structure 20 with it is describedIt punctures acting surface 110 to be integrally formed, alternatively, the separated structure 20 is by bonding, welding, by the way that connector is fixed etc., modes are attachedIn on the puncture acting surface 110.It should be noted that illustrating only the situation of former " integrated molding " in Fig. 3, adhere toSituation be not shown.
Any separated structure 20 has unidirectional detaching direction, and the detaching direction of each separated structure 20 is identical.So set,When being punctured, when only rotating according to unidirectional detaching direction, the cutting of notch is just carried out, when being rotated according to opposite direction,It not will do it secondary cut, bring unnecessary damage so as to avoid to patient.
To achieve the above object, any separated structure 20 includes the separation ontology 21, and the separation ontology 21 has extremelyFew two faces, described two faces are the first face 210 and the second face 211.Wherein, first face 210 and the puncture acting surface110 intersections, meanwhile, first face 210 is intersected with second face 211 and intersecting lens forms cutting edge 212；Second face211 form the cutting edge 212 and the transition face punctured between acting surface.
Alternatively, when also there is at least one face between first face 210 and second face 211, described at least oneA face is intersected with second face 211 and intersecting lens forms cutting edge.It should be noted that illustrating only the separation in Fig. 3The tool of ontology 21 does not show that between first face 210 and second face 211 also there is at least one there are two the situation in faceThe situation in face.
Based on separated structure 21 as described above, when being punctured, when according to unidirectional detaching direction rotation, cutting edge212 are in contact with the notch of human abdomen, carry out the cutting of notch at this time；It is revolved when according to the opposite direction of the detaching directionWhen turning puncture outfit, the transition face plays the role of guiding at this time, i.e., in puncture process, when rotating puncture outfit, patient'sAbdomen cortex slips over cutting edge 212 along transition face, realizes the purpose for avoiding the cutting of cutting edge 212, separation abdomen cortex.In addition, byThere is transition face in separated structure 21, so that itself can play the role of reinforcing rib, thus, it improves and punctures core tipIntensity.
As an implementation, first face 210 can be the curved surface intersected with the puncture acting surface 110 or flatFace.Wherein, when first face 210 is the curved surface intersected with the puncture acting surface 110, the curved surface is convex or concaveCurved surface；When first face 210 is the plane intersected with the puncture acting surface 110, the plane and puncture acting surface 110Between angle can be acute angle, right angle or obtuse angle.Second face 211 is the curved surface tangent with the puncture acting surface 110Or plane, it is preferable that the curved surface is the smooth surface of arcwall face or evagination.
Further, the quantity of the separated structure 20 is more than or equal to three.Wherein, when the quantity of the separated structure 20When being three, the angle between each separated structure 20 is 120 °, in this way, being conducive to and once revolving when doctor carries out puncturing operationThe angle for turning puncture outfit is corresponding, i.e., when doctor rotates puncture outfit, primary 120 ° of rotation, so that the operation for meeting operator is practisedIt is used, and advantageously form more smooth notch.
As shown in figure 4, puncturing core tip 1 based on as described above, the present invention also provides a kind of puncture core 2, the puncture cores 2Core tip 1 is punctured with as described above.
Specifically, the puncture core 2 includes puncturing core bar 220 and puncture core tip 1, wherein the puncture core bar 220And puncture core tip 1 and use split settings, specifically, punctures core tip 1 and be installed on the end for puncturing core bar 220.Such asUpper described, company can be fixed with the end for puncturing core bar 220 by way of suit or grafting in the core tip 1 that puncturesIt connects.
In present embodiment, the diameter of the mounting structure at the diameter for puncturing core bar 220 and 10 rear portion of spike body is notIt is equal.Wherein, when the two is fixedly connected by the way of suit, the diameter of the mounting structure at 10 rear portion of spike body is bigIn the diameter for puncturing core bar 220；When the two is fixedly connected by the way of grafting, the peace at 10 rear portion of spike bodyThe diameter of assembling structure is less than the diameter for puncturing core bar 220.
As shown in figure 5, the puncture core 3 has puncture core tip as described above in the puncture core 3 of another embodiment1。
Specifically, the puncture core 3 include puncture core bar 320 and puncture core tip 1, wherein puncture core bar 320 andIt punctures core tip 1 to be made of one piece, the integrally formed mode can be injection molding etc..Preferably, the puncture core bar 320Diameter it is equal with the diameter of mounting structure at 10 rear portion of spike body.
Core 2,3 is punctured based on as described above, the present invention also provides a kind of puncture outfit, the lancet device has as described abovePuncture core 2,3.
In conclusion the present invention improves puncture cutting efficiency when operation, effectively contracts by the way that multiple separated structures are arrangedThe short puncture time, meet the operating habit of doctor, and advantageously form more smooth notch.And if the present invention passes through settingUnidirectional separated structure is done, the damage to patient is reduced, and improves the intensity for puncturing core tip.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connectIt connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediaryThe interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the artFor, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be withIt is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature existsSecond feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative ofFirst feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically showThe description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or examplePoint is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are notIt must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in officeIt can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this fieldArt personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examplesIt closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is exampleProperty, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentionedEmbodiment is changed, modifies, replacement and variant.