CN209464074U

CN209464074U - Blade nail

Info

Publication number: CN209464074U
Application number: CN201822186040.6U
Authority: CN
Inventors: 钱建清; 徐垒
Original assignee: JIANGSU SHUANGYANG MEDICAL DEVICES CO Ltd
Current assignee: JIANGSU SHUANGYANG MEDICAL DEVICES CO Ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-10-08
Anticipated expiration: 2028-12-21

Abstract

This application discloses a kind of blade nails, including main part, the main part of through-core hole is offered including axle center, the main part includes along axial integrally formed tail end and blade part, the blade part offers the circular hole of multiple connection through-core holes, the blade part is formed with the fair end face of vertical central away from one end of the tail end, the fair end face and the blade part junction are formed with multiple sections, the section and the main part axial angle are 30 °, the tail end outer surface is axially symmetric to offer two strip grooves, the strip groove width is gradually increased from the tail end to the blade part, the strip grooves both ends are respectively formed tip.Situations such as the utility model has the advantage of the mergings for facilitating nail, and anti-retaining is followed closely.

Description

Blade nail

Technical field

This application involves bone surgery, in particular to a kind of blade nail.

Background technique

Blade nail is equally a kind of metal intramedullary nail with lock, and blade nail how to be fixed and fixing-stable is always industry The problem of interior exploration.

Utility model content

The purpose of this utility model is to provide a kind of blade nails, facilitate the merging of nail, and the feelings such as anti-retaining nail Condition.

To achieve the above object, the utility model provides the following technical solutions.

The embodiment of the present application discloses a kind of blade nail, and the main part of through-core hole, the main part are offered including axle center Including along axial integrally formed tail end and blade part, the blade part offers the circular holes of multiple connection through-core holes, The blade part is formed with the fair end face of vertical central, the fair end face and the blade away from one end of the tail end Portion junction is formed with multiple sections, and the section and the main part axial angle are 30 °, and the tail end outer surface is along axis To symmetrically two strip grooves are offered, the strip groove width is gradually increased from the tail end to the blade part, the length Bar groove both ends are respectively formed tip.

Preferably, in above-mentioned blade nail, the blade part is formed with 4 cutting edges, and the section is respectively from the sword Mouth end extends to the fair end face.

It is furthermore preferred that the circular hole offers 4, is located at the cutting edge side in above-mentioned blade nail.

Preferably, in above-mentioned blade nail, the tail end is formed with U-shaped away from one end end face of the blade part Slot.

Preferably, in above-mentioned blade nail, the through-core hole is set in the tail end away from one end of the blade part It is equipped with screw thread.

Compared with prior art, the utility model has the advantage of the design of tail end asymmetry strip grooves, anti-rotation can be withstood Screw, anti-retaining nail；Blade part front end forms fair end face, guarantees that most consolidation tamps sclerotin and reaches best bone holding power, bone Amount, which is lost, reaches minimum；The design of four circular holes facilitates the implantation of bone cement, reinforces fixed function；At the design side of 30 ° of sections Just the initial merging of nail；Tail portion U-lag and Design of Screw Thread facilitate attended operation tool.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 show the stereoscopic schematic diagram that blade is followed closely in the utility model specific embodiment；

Fig. 2 show the left view that blade is followed closely in the utility model specific embodiment.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In conjunction with shown in Fig. 1-2, blade nail offers the main part 100 of through-core hole 130 including axle center, main part 100 includes Along axial integrally formed tail end 110 and blade part 120, blade part 120 offers the circular hole of multiple connection through-core holes 130 121, blade part 120 is formed with the fair end face 122 of vertical central away from one end of tail end 110, and maintain an equal level end face 122 and blade 120 junction of portion is formed with multiple sections 123, and section 123 and 100 axial angle of main part are 30 °, 110 outer surface of tail end Axially symmetric to offer two strip grooves 111,111 width of strip grooves is gradually increased from tail end 110 to blade part 120, long 111 both ends of bar groove are respectively formed tip.Blade part 120 is formed with 4 cutting edges 124, and section 123 is prolonged from 124 end of cutting edge respectively Extend to fair end face 122.Circular hole 121 offers 4, is located at 124 side of cutting edge.Tail end 110 is away from blade part 120 One end end face is formed with U-lag 112.Through-core hole 130 is provided with screw thread away from one end of blade part 120 in tail end 110.

The design of tail end asymmetry strip grooves can withstand anti-rotation screw, anti-retaining nail；Blade part front end forms fair end Face guarantees that most consolidation tamps sclerotin and reaches best bone holding power, and bone loss reaches minimum；The design of four circular holes facilitates bone Fixed function is reinforced in the implantation of cement；Facilitate the initial merging of nail at the design of 30 ° of sections；Tail portion U-lag and Design of Screw Thread Facilitate attended operation tool.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as the protection scope of the application.

Claims

1. a kind of blade nail, which is characterized in that offer the main part (100) of through-core hole (130), the main part including axle center It (100) include offering multiple companies along axial integrally formed tail end (110) and blade part (120), the blade part (120) Lead to the circular hole (121) of the through-core hole (130), the blade part (120) is formed with vertical away from the one end of the tail end (110) The fair end face (122) of the d-axis heart, the fair end face (122) and the blade part (120) junction are formed with multiple sections (123), the section (123) and the main part (100) axial angle are 30 °, and tail end (110) outer surface is along axial direction Symmetrically offer two strip grooves (111), strip grooves (111) width is from the tail end (110) Xiang Suoshu blade part (120) it gradually increases, strip grooves (111) both ends are respectively formed tip.

2. blade nail according to claim 1, which is characterized in that the blade part (120) is formed with 4 cutting edges (124), The section (123) extends to the fair end face (122) from the cutting edge (124) end respectively.

3. blade nail according to claim 2, which is characterized in that the circular hole (121) offers 4, is located at institute State cutting edge (124) side.

4. blade nail according to claim 1, which is characterized in that the tail end (110) deviates from the blade part (120) One end end face be formed with U-lag (112).

5. blade nail according to claim 1, which is characterized in that through-core hole (130) Yu Suoshu tail end (110) back One end from the blade part (120) is provided with screw thread.