CN108523954A - The assembly of nail has - Google Patents
The assembly of nail has Download PDFInfo
- Publication number
- CN108523954A CN108523954A CN201810274170.7A CN201810274170A CN108523954A CN 108523954 A CN108523954 A CN 108523954A CN 201810274170 A CN201810274170 A CN 201810274170A CN 108523954 A CN108523954 A CN 108523954A
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- CN
- China
- Prior art keywords
- nail
- handle part
- stabilizer blade
- assembly tool
- instances
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B2017/0647—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks
- A61B2017/0648—Surgical staples, i.e. penetrating the tissue having one single leg, e.g. tacks threaded, e.g. tacks with a screw thread
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The present invention provides a kind of assembly of nail tool, nail has the through hole being alongst arranged and multiple grooves, which, which has, includes：Handle part；Multiple stabilizer blades are arranged in a manner of extending from handle part along the length direction of handle part, and multiple stabilizer blades are distributed in the periphery of handle part, and multiple stabilizer blades can coordinate with multiple grooves of nail；And positioning column, it is arranged in a manner of extending from handle part along the length direction of handle part and is located between each stabilizer blade, and the through hole of nail can be embedded in, wherein along the radial direction of nail, the thickness of stabilizer blade is not more than the depth of groove.In the present invention, by handle part and multiple stabilizer blades and positioning column in handle part are set, so as to which multiple stabilizer blades and positioning column to be properly embedded to the corresponding position of nail, ensure that nail stablizes stress, inhibit to lead to problems such as nail stripped thread, nail fracture because assembly has the problem of, thus, it is possible to reliably assemble nail using assembly tool.
Description
Technical field
The present invention relates to field of medical appliances, the assembly more particularly to a kind of nail has.
Background technology
In daily life, cruciate ligament is common one of athletic injury.The tearing of ligamentaum cruciatum can direct shadow
The locomitivity of patient is rung, malpractice can cause instability of knee, subsequent articular cartilage damage final to influence knee joint work(
Energy.One of the essential therapeutic arsenals that Cruciate ligament reconstruction is cruciate ligament are carried out under arthroscope currently with nail.It is logical
It crosses nail and fixes tendon in the healing in osseous tunnel, ensureing tendon, be also prevented from tendon and moved in osseous tunnel and cause tunnel
Road expands.
The metal nail of nonabsorable is clinically used earliest.The advantages of metal nail is strength of materials height, fixed
It is firm.But metal nail is due to that will not be absorbed by the body, if permanent rest in body then can be to health
Bring certain harm.For example, occurring bone dissolving around nail or nail is exposed, leads to articular cartilage damage, form synovitis
Deng.In addition, some metal nails can also be affected in nuclear magnetic resonance check, cause patient that can not carry out nuclear magnetic resonance inspection
It looks into.If operation is taken out can then bring secondary injury to patient, and may cause more complication.
In addition, people also study nail made of absorbable material in recent years.After it have passed through improvement for many years, it is this can
The intensity of the nail of absorbing material also greatly improves, and be implanted into after can this absorbed feature greatly reduce to patient
Inconvenience and injury.But in clinical operation, due to the absorbable material itself by improving intensity and metal phase ratio and
Speech is still relatively low, easily causes the situation of stripped thread when in use.Once there is stripped thread, doctor would become hard to the nail that will be failed taking-up,
Inconvenience is brought to doctor.
Invention content
The present invention completes in view of the situation of the above-mentioned prior art, and its purpose is to provide one kind reliably to assemble
The assembly of the nail of nail has.
For this purpose, the present invention provides a kind of assembly of nail tool, the nail has what is be alongst arranged to pass through
Through-hole and multiple grooves, which is characterized in that the assembly, which has, includes：Handle part；Multiple stabilizer blades, with along the handle part
The mode that length direction extends from the handle part is arranged, and the multiple stabilizer blade is distributed in the periphery of the handle part, described more
A stabilizer blade can coordinate with multiple grooves of the nail；And positioning column, with along the length direction of the handle part from institute
The mode for stating handle part extension is arranged and is located between each stabilizer blade, and can be embedded in the through hole of the nail, wherein
Along the radial direction of the nail, the thickness of the stabilizer blade is not more than the depth of groove.
In the present invention, by handle part and multiple stabilizer blades and positioning column in handle part are set, so as to will be more
A stabilizer blade and positioning column are properly embedded the corresponding position of nail, it is ensured that nail stablizes stress, inhibits due to assembly has the problem of
Nail stripped thread, nail is led to problems such as to fracture, thus, it is possible to reliably assemble nail using assembly tool.
In the assembly tool of nail according to the present invention, optionally, the handle part is in strip.Thereby, it is possible to
Assembly tool is held and used convenient for operators such as doctors.
Nail according to the present invention assembly tool in, optionally, the stabilizer blade along the handle part length
Direction is in by contracting shape.In this case, the groove of stabilizer blade insertion nail can be facilitated, and enabled near handle part
The part stress of stabilizer blade is more stablized, the phenomenon that thus being not susceptible to fracture in force.
In the assembly tool of nail according to the present invention, optionally, seen along the length direction of the handle part, respectively
A stabilizer blade is located at the same circumference.Thereby, it is possible to easily agree with and ensure nail effectively stress with nail.
In the assembly tool of nail according to the present invention, optionally, each stabilizer blade is evenly distributed in described
Circumference.Thereby, it is possible to make nail uniform force, inhibit the phenomenon that stripped thread and stabilizer blade unbalance stress occurs and fractures.
In the assembly tool of nail according to the present invention, optionally, in the circumference, there are three stabilizer blades for distribution.By
This, can obtain good force stability using stabilizer blade minimum number.
Nail according to the present invention assembly tool in, optionally, the handle part, the multiple stabilizer blade with it is described
Positioning column is integrally formed.Thereby, it is possible to inhibit assembly tool to be broken.
In the assembly tool of nail according to the present invention, optionally, in the handle part, along with the handle part
Length direction intersection direction be provided with stem.Thereby, it is possible to more easily hold handle part and twisting handle part.
In the assembly tool of nail according to the present invention, optionally, the length of the stabilizer blade is recessed with the nail
Slot length is identical.Thereby, it is possible to preferably apply twisting resistance to nail.
In the assembly tool of nail according to the present invention, optionally, the length of the positioning column and the nail
It is identical to penetrate through hole length.In this case, stable stress can be played after the through hole of positioning column insertion nail, prevents stripped thread
Phenomena such as.
In accordance with the invention it is possible to provide a kind of assembly tool for the nail that can reliably assemble nail.
Description of the drawings
Fig. 1 is state when being assemblied in nail for the assembly tool for showing nail involved by embodiments of the present invention
Schematic diagram.
Fig. 2 is the three-dimensional structure diagram for the assembly tool for showing the nail involved by embodiments of the present invention.
Fig. 3 is the upward view for the assembly tool for showing nail shown in Fig. 2.
Fig. 4 is the schematic diagram of the example for the nail for showing the fixation ligament involved by embodiments of the present invention.
Fig. 5 is the schematic diagram for another angle for showing nail shown in Fig. 4.
Fig. 6 is the vertical view for showing nail shown in Fig. 4.
Fig. 7 is the sectional axonometric drawing for showing nail shown in Fig. 4.
Fig. 8 is the section plan for showing nail shown in Fig. 4.
Fig. 9 is the partial schematic diagram for showing nail shown in Fig. 4.
Figure 10 is the plan view for showing nail shown in Fig. 4.
Specific implementation mode
Hereinafter, refer to the attached drawing, explains the preferred embodiment of the present invention in detail.In the following description, for identical
Component assign identical symbol, the repetitive description thereof will be omitted.Scheme in addition, attached drawing is only schematical, the mutual ruler of component
Very little shape of ratio or component etc. can be with actual difference.
It should be noted that the term " comprising " and " having " in the present invention and their any deformation, such as wrapped
Include or possessed series of steps or the process of unit, method, system, product or equipment are not necessarily limited to clearly to list that
A little steps or unit, but may include or with not listing clearly or for these processes, method, product or equipment
Intrinsic other steps or unit.
Fig. 1 is state when being assemblied in nail for the assembly tool for showing nail involved by embodiments of the present invention
Schematic diagram.Fig. 2 is the three-dimensional structure diagram for the assembly tool for showing the nail involved by embodiments of the present invention.Fig. 3 is to show
The upward view of the assembly tool of nail shown in Fig. 2 is gone out.
Hereinafter, referring to figs. 1 to Fig. 3, describing the assembly tool for the nail involved by present embodiment in detail.
The assembly tool 2 of nail involved by present embodiment can be used for assembling the nail 1 of for example fixed ligament.Pass through
The assembly tool 2 of nail, such as nail 1 can be implanted in osseous tunnel.In addition, nail 1 used in present embodiment
Such as can be to squeeze nail.
Assembly tool 2 involved by present embodiment may include handle part 21, multiple stabilizer blades 22 (such as 3 stabilizer blades) and determine
Position column 23.Wherein, multiple stabilizer blades 22 can be arranged in a manner of extending from handle part 21 along the length direction of handle part 21, more
A stabilizer blade 22 can be distributed in the periphery of handle part 21.Stabilizer blade 22 can be embedded in the groove 11 of nail 1.In addition, positioning column 23 can
To be arranged in a manner of extending from handle part 21 along the length direction of handle part 21 and between each stabilizer blade 22, and can
It is embedded in the through hole 12 of nail 1 (referring to Fig. 4).
In orthopedics clinic practice, the equal handle part 21 by holding assembly tool 2 of the doctors such as medical staff can will assemble
The stabilizer blade 22 and positioning column 23 of tool 2 are assembled to the corresponding position of nail 1, and the stabilizer blade 22 of assembly tool 2 and positioning column 23 correspond at this time
Ground is inserted into the 12 corresponding position (referring to Fig. 1 and Fig. 2) of groove 11 and through-hole of nail 1.Then, by operating assembly tool 2
Handle part 21 and nail 1 is inserted into some position (osseous tunnel).Then, have 2 by operation (such as rotating clockwise) assembly,
Nail 1 can be pushed to the position of appropriate depth, to make nail 1 be for example fixed in osseous tunnel together with ligament.Finally,
Assembly tool 2 takes out along the groove 11 of nail 1.
In the present embodiment, by handle part and multiple stabilizer blades and positioning column in handle part are set, so as to
Multiple stabilizer blades and positioning column are properly embedded to the corresponding position of nail, it is ensured that nail stablizes stress, inhibits asking because of assembly tool
It inscribes and nail stripped thread, nail is led to problems such as to fracture, thus, it is possible to reliably assemble nail using assembly tool.
In some instances, handle part 21 can be in strip.The operators such as doctor can be convenient for have assembly and carry out handle
It holds and uses.In addition, in some instances, handle part 21 can be with spherical in shape, taper or irregular shape.Thereby, it is possible to suitable
The case where for different holding modes.
In some instances, in the periphery of handle part 21, there can also be skid resistance strip (not shown).For example, tread plate
Line can be arranged approximately along the length direction of handle part.Thereby, it is possible to inhibit to slide when holding handle part 21.
In some instances, stabilizer blade 22 can be in by contracting shape along the length direction of handle part 21.In this case, energy
Enough facilitate the groove 11 (being described later on) of stabilizer blade insertion nail 1, and enables to the part of the stabilizer blade 22 near handle part 21
Stress is more stablized, the phenomenon that being not susceptible to fracture in force.In addition, the shape of stabilizer blade 22 is not limited to said circumstances, one
In a little examples, stabilizer blade 22 can also be evenly sized, and thus, it is possible to reduce the difficulty of stabilizer blade manufacture craft.
It is identical since function in each stabilizer blade 22 of handle part 21 is arranged in addition, it is necessary to explanation, in this public affairs
Each stabilizer blade is only indicated in opening with the same label 22.
In addition, in some instances, when stabilizer blade 22 to be embedded into the groove 11 of corresponding nail 1, along the diameter of nail 1
To direction, the thickness of stabilizer blade 22 is not more than the depth of groove 11.Thus, it is possible to ensure stabilizer blade 22 in the outer surface of nail 1.
In some instances, it is seen along the length direction of the stabilizer blade 22, each stabilizer blade 22 can be located at the same circle
On circumference.Thereby, it is possible to agree with the structure of nail 1.In addition, in some instances, each stabilizer blade 22 is evenly distributed in the circle
It thus enables that 1 uniform force of nail in week, prevents stripped thread and the phenomenon that stabilizer blade 22 fractures.In addition, in some instances,
In the circumference, distribution is there are three stabilizer blade 22, the stability that thus, it is possible to obtained using 22 minimum number of stabilizer blade.
In some instances, stabilizer blade 22 may be arranged as two, four or more.In other examples, stabilizer blade 22 can be with right and wrong
Isogonism arrangement, in this case, the stabilizer blade 22 being arranged by non-isogonism so that it is special that the position of stabilizer blade 22 can coordinate
The groove location of nail 1 uses.
In some instances, handle part 21 can be integrally formed with multiple stabilizer blades 22.In addition, further, handle part 21,
Multiple stabilizer blades 22 can be integrally formed with positioning column 23.Thereby, it is possible to inhibit assembly tool 2 to be broken.
In some instances, it in handle part 21, is provided with along the direction intersected with the length direction of handle part 21 rod-shaped
Portion (not shown).Handle part and twisting handle part are more easily held as a result,.In addition, in some instances, stem may be used also
To be penetrated through along the direction orthogonal with handle part 21 and be anchored on handle part 21.In addition, in other examples, stem can be with
It is connected with handle part 21 with snap fit.Handle part 21 equally can be easily twisted as a result,.
In some instances, the length of stabilizer blade 22 can be with the equal length of the groove 11 of nail 1.In this case,
Whole to nail 1 can exert a force, thus, it is possible to preferably to nail 1 apply that twisting resistance and reducing occurs that stabilizer blade 22 fractures can
Energy.In addition, in other examples, the length of stabilizer blade 22 is also less than the length of the groove 11 of nail 1.In such case
Under, stabilizer blade 22 can adapt to the groove of different length.
In some instances, the length of positioning column 23 can be identical as the length of through hole 12 of nail 1.In such case
Under, phenomena such as can playing stable stress after the insertion through hole 12 of positioning column 23, prevent stripped thread.In other examples, positioning
The length of column 23 is also less than the length of the through hole 12 of nail 1.Thus, it is possible to adapt to the through hole 12 of different length.
In some instances, positioning column 23 can be cylinder.In addition, in some instances, positioning column 23 can also be
Triangular prism, cuboid or polyhedron.Thus, it is possible to adapt to the shape of the through hole 12 of different nails 1.
Hereinafter, describing the nail involved by present embodiment in detail with reference to figure 4 to Figure 10.
In the application scenarios of the nail 1, nail 1 works as the tool of fixed kneed ligament, can be used for
Such as cruciate ligaments of knee joint is rebuild.In some instances, in the nail 1 using the fixation ligament involved by present embodiment
When, by enabling entire nail enter in osseous tunnel, and the ligament in osseous tunnel is compressed, to reach the work of fixed ligament and reparation
With.Ligament such as tendon is effectively implanted in osseous tunnel by the nail 1 provided by present embodiment, ensures being cured for tendon
It closes.In addition, passing through nail 1, additionally it is possible to prevent tendon from being moved in osseous tunnel and tunnel is caused to expand.Involved by present embodiment
Nail 1 interference screw is otherwise referred to as in orthopaedics implantation field, bone screws or interface squeeze nail etc..
As shown in Figure 4 and Figure 5, the nail 1 of the fixation ligament involved by present embodiment may include rivet nut 10.Rivet nut 10
It can be in strip.In some instances, rivet nut 10 can be in the form of a column.In addition, rivet nut 10 can with it is cylindrical, by contracting shape,
Round table-like or irregular shape etc..Rivet nut 10 can use different shapes according to different application scenarios as a result,.
In addition, in some instances, nail 1 can also include the ailhead being connect with rivet nut 10.There is ailhead in nail 1
In the case of, nail 1 may include that nail 1 is roughly divided into rivet nut 10a (rivet nuts by rivet nut 10 and ailhead at this time for convenience of explanation
And ailhead 10b 10) (referring to the Fig. 8 being described later on).Here, the line of demarcation of rivet nut 10a and ailhead 10b is not absolute, Fig. 8
In merely to schematically illustrate.
In some instances, ailhead 10b can be in by contracting shape, and the side that ailhead 10b is relatively large in diameter is connected with rivet nut 10a
It connects.Thereby, it is possible to be convenient for nail 1 to enter osseous tunnel.
In other examples, ailhead 10b can be integrally formed with rivet nut 10a.In this case, ailhead 10b with
Rivet nut 10a is formed as one molding, so that ailhead 10b is mutually divided with rivet nut 10a thus, it is possible to be avoided in the operating process of nail 1
From to the possibility for avoiding the nail 1 caused by separation from slipping.
In addition, in some instances, the material of nail 1 can be selected from polylactic acid material, polycaprolactone, gather to dioxy ring
Hexanone, one or more compositions in polyglycolic acid.In addition, in some instances, the material of nail 1 can also be selected from third and hand over
One in random copolymer or block copolymer more than binary in ester, caprolactone, Lanthanum Isopropoxide and glycolide
Kind or a variety of compositions.In addition, in other examples, nail 1 can also by polyorthoester (POE), poly- even phosphorus nitrogen, it is poly- in
It is one or more in ester, polyester urethane, polyanhydride imine copolymer, Biopol GO 4 and its copolymer, polyaminoacid (PAA)
Composition.
In some instances, it by using nail 1 made of above-mentioned material, can not only perform the operation to avoid secondary taking-up,
And also avoid metal nail 1 and stay in the body caused inconvenience, such as nuclear magnetic resonance check, Huo Zhehui cannot be carried out
Cause inflammation such as synovitis etc..In addition, the especially nail 1 made of the absorbable materials such as polylactic acid material (PLA) also has
Play the role of promoting bone tissue healing.
In some instances, nail 1 can also be by medical stainless steel, platinum, titanium alloy, ti-ni shape memory alloy, cochrome
Or one or more compositions in magnesium alloy.In this case, nail 1 can also effectively act as the work of fixed ligament
With.Since above-mentioned material is compared with by absorbable material, price is relatively low and the strength of materials is high, fixed, is reducing
The possibility of stripped thread occurs and is showed in terms of the possibility of displacement in osseous tunnel more outstanding.
In some instances, nail 1 is also provided with radiography point, that is, the label that can be shown under x-ray
Point.In this case, nail 1 can monitor the position of nail 1 in real time during being operated, and in patient
State and the position of internal nail 1 can be detected in subsequent inspection.
In some instances, radiography point can be arranged in the position of the ailhead and nail tail of nail 1.Facilitate observation bone as a result,
The real time position of nail 1.In other examples, the surrounding in nail 1 can be arranged in radiography point.In addition, in some instances, bone
Nail 1 is also provided with radiography line.Thereby, it is possible to the position of accurate judgement nail and states.
In some instances, radiography point can be arranged by modes such as branding, laser, drilling placements in nail 1.By
This, can ensure that radiography point will not fall off from nail 1 easily.
In some instances, radiography point can be other energy such as the solids such as sheet metal, metallic particles or Operand, barium sulfate
Enough materials to develop under x-ray.In this case, while capable of ensureing accurately to grasp state and the position of nail 1,
It is unlikely to bring too many foreign matter to patient's body, it might even be possible to further inhale radiography material after nail 1 is absorbed by the body
The case where receiving, avoiding the occurrence of secondary pollution.
Fig. 6 is the vertical view for showing nail shown in Fig. 4.Fig. 7 is the perspective cross section for showing nail shown in Fig. 4
Figure.Fig. 8 is the section plan for showing nail shown in Fig. 4.Fig. 9 is the partial schematic diagram for showing nail shown in Fig. 4.
Figure 10 is the plan view for showing nail shown in Fig. 4.
With reference to figure 6, the periphery of rivet nut 10 can have screw thread.In some instances, the screw thread in 10 periphery of rivet nut is set
It can be tooth form screw thread.Thereby, it is possible to increase the frictional force between nail 1 and osseous tunnel.
In some instances, the periphery of rivet nut 10 could be provided as UNR screw threads.The constant spiral shell of UNR screw threads namely circular arc tooth bottom
Away from unified screw thread.
In some instances, screw thread may be arranged as circular arc tooth bottom coarse thread series and unify screw thread (UNRC), circular arc tooth bottom
Closely-pitched series unifies screw thread (UNRF), circular arc tooth baselap closely-pitched series unifies screw thread (UNREF) or circular arc tooth bottom particular series system
One screw thread (UNRS).
In other examples, screw thread can also be Standard Whiworth coarse thread series, general service cylindrical thread British Standard
Inch screw thread (B.S.W.), Standard Whiworth closely-pitched series of the BS84 thread form angles for 55 jiaos, general service cylindrical thread (B.S.F.),
Additional Hui Shi may be selected series, general service cylindrical thread (Whit.S), Hui Shi tooth forms odd-pitch screw (Whit), constant
Unified screw thread (UNF), the ultra-fine tooth of the unified screw thread (UN) of screw pitch series, the unified screw thread (UNC) of coarse thread series, closely-pitched series
The unified screw thread (UNEF) of series or the unified screw thread of particular series (UNS is 1.).In such a case, it is possible to be made according to different
Different screw threads is selected with environment, to make nail 1 can adapt to different application scenarios.
In addition, as shown in Figure 10, in some instances, rivet nut 10 can also have close ligament alongst
Distally and far from ligament proximal end.Here, for convenience of explanation, the sequencing of osseous tunnel will be entered according to rivet nut 10 to be followed closely
The both ends of body 10 are divided into the distal end for first contacting tissue or ligament and the proximal end opposite with distal end.
In some instances, screw pitch H2s of the screw thread screw pitch H1 at the far end than screw thread in proximal end set by 10 periphery of rivet nut
It is big, that is, the screw thread of the screw thread nearer end of distal end will be dredged.In this case, compared with the screw thread of proximal end, the screw thread of distal end
(namely screw pitch is relatively large) relatively is dredged, therefore, when rivet nut 10 is implanted to osseous tunnel, the distal portions of rivet nut 10 can subtract
Less to the ligament injury in osseous tunnel, and the proximal part of rivet nut 10 can also increase the friction between nail 1 and osseous tunnel
Power, to be conducive to nail 1 into osseous tunnel and be fixed therein.
In addition, as shown in Figure 8 and Figure 9, in some instances, the crest of the screw thread set by 10 periphery of rivet nut can have
Chamfering.In some instances, θ can be equal to crest both sides the sum of flank angle, for example, 30~60 °.Thereby, it is possible to reduce bone
1 pair of osseous tunnel of nail and ligament cause the possibility of secondary injury.
In other examples, the chamfering of the crest of the screw thread set by 10 periphery of rivet nut can be flat-head type or dome
Type.Thereby, it is possible to reduce the sharpness of the screw thread of nail 1, nail 1 can be avoided to cause cutting damage to ligament and osseous tunnel.
In addition, in the periphery of rivet nut 10, it is also provided at least two grooves 11 of the length direction along rivet nut 10.
Wherein, groove 11 can run through rivet nut 10 along the length direction of rivet nut 10.
In some instances, the periphery of rivet nut 10 can be provided with two and two or more the length sides along rivet nut 10
To groove 11.In addition, as described above, groove 11 can also run through rivet nut 10 along the length direction of rivet nut 10, that is, groove
11 length can be roughly equal with the length of rivet nut 10.
In other examples, groove 11 can also be arranged in the inside of rivet nut, and the length direction along rivet nut 10 runs through
Rivet nut, that is, groove 11 can run through rivet nut 10 in a manner of through-hole.
In some instances, 11 length of groove can also be slightly less than the length with rivet nut 10.11 depth of groove can be less than
The outer radius of rivet nut 10.In some instances, rivet nut 10 can also have close ligament alongst distal end and
Proximal end far from ligament.In this case, pass through 11 depth of groove for deepening proximal end so that proximal end with assembly tool 2 more
With being more easy to stress.
It in some instances, can between groove 11 (in some instances, there is groove 11a, groove 11b and groove 11c)
To be isogonism distribution, for example, in the case where three grooves are arranged, groove 11a, groove 11b and groove 11c can be in isogonisms point
Cloth.In this case, the uniform force of nail 1 further reduces the possibility that stripped thread occurs.
In addition, in some instances, each groove 11 can also be non-isogonism distribution, for example, in three grooves of setting
In the case of, groove 11a, groove 11b and groove 11c can be in that non-isogonism is distributed.In this case, it is arranged by non-isogonism
Groove 11, inducting osseous tissue grow along 11 direction of groove, can be used in the case where having particular/special requirement to bone growth.
As described above, by the way that two and two or more grooves 11 are arranged in 1 periphery of nail so that doctor is using assembling
Groove 11 can be utilized to increase torque when 2 twisting nail 1 of tool, so as to only need smaller power that can twist nail 1, in turn
The possibility for causing stripped thread phenomenon to occur because local stress is excessive is avoided, in addition to this, doctor need not be because of will appear cunning
Silk the phenomenon that and it is meticulous, so as to further improve doctor operation efficiency.
In addition, in some instances, since groove 11 can run through rivet nut 10 along the length direction of rivet nut 10,
Bone tissue growth when can first at groove 11 grow, in this case, not only contribute to bone tissue find impetus to
Promote the reparation of damage location, additionally it is possible to form occlusion structure with nail 1 to reduce the possibility for 1 displacement of nail occur.This
Outside, the discharge of bone bits is also helped.
In addition, in some instances, rivet nut 10 can also have the close ligament along the length direction distal end, with
And the proximal end far from ligament, the width of the groove 11 of 10 periphery of rivet nut in proximal end are more than 11 width at the far end of the groove.
In this case, bone can be considered to be worth doing by using groove 11 during entering osseous tunnel and be extruded from osseous tunnel by nail 1, just
In discharge residual bone bits.
In addition, as shown in Figure 6,7, in some instances, nail 1, which can also have, alongst runs through rivet nut 10
Cylindrical hole 12.In some instances, through-hole 12 can also be triangle, rectangular, quincunx or irregular shape etc..At this
In the case of kind, the field of load of nail 1 can be increased by through-hole 12 when using assembly tool 2, to stablize stress, additionally it is possible to
Bone bits are discharged by through-hole 12, and positioning can be played the role of when being matched with assembly tool 2.
In addition, in some instances, the through-hole 12 through rivet nut 10 can also have the through-hole communicated with 10 periphery of rivet nut.
Lubricating fluid can also be injected to 10 periphery of rivet nut by through-hole 12 when taking out nail 1 as a result, so that between nail 1 and osseous tunnel
Frictional force reduce, to enable nail 1 become prone to take out.
Although being illustrated to the present invention above in association with drawings and examples, it will be appreciated that above description
The invention is not limited in any way.Those skilled in the art without departing from the true spirit and scope of the present invention may be used
To deform and change to the present invention as needed, these deformations and variation are within the scope of the present invention.
Claims (10)
1. a kind of assembly of nail has, the nail has the through hole being alongst arranged and multiple grooves, special
Sign is,
The assembly has：
Handle part；
Multiple stabilizer blades are arranged in a manner of extending from the handle part along the length direction of the handle part, the multiple
Stabilizer blade is distributed in the periphery of the handle part, and the multiple stabilizer blade can coordinate with multiple grooves of the nail；And
Positioning column is arranged in a manner of extending from the handle part along the length direction of the handle part and positioned at each
Between stabilizer blade, and it can be embedded in the through hole of the nail,
Wherein, along the radial direction of the nail, the thickness of the stabilizer blade is not more than the depth of groove.
2. assembly tool according to claim 1, which is characterized in that
The handle part is in strip.
3. assembly tool according to claim 1, which is characterized in that
The stabilizer blade is in by contracting shape along the length direction of the handle part.
4. assembly tool according to claim 1, which is characterized in that
It is seen along the length direction of the handle part, each stabilizer blade is located at the same circumference.
5. assembly tool according to claim 4, which is characterized in that
Each stabilizer blade is evenly distributed in the circumference.
6. assembly tool according to claim 5, which is characterized in that
In the circumference, there are three stabilizer blades for distribution.
7. assembly tool according to claim 1, which is characterized in that
The handle part, the multiple stabilizer blade and the positioning column are integrally formed.
8. assembly tool according to claim 1, which is characterized in that
In the handle part, the direction intersected with the length direction of the handle part is provided with stem.
9. assembly tool according to claim 1, which is characterized in that
The length of the stabilizer blade is identical as the length of the groove of the nail.
10. assembly tool according to claim 1, which is characterized in that
The length of the positioning column is identical as the perforation hole length of the nail.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017114819426 | 2017-12-30 | ||
| CN201711481942 | 2017-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108523954A true CN108523954A (en) | 2018-09-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110165544.3A Active CN112971885B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for orthopedics and assembling tool thereof |
| CN201810276945.4A Active CN108403173B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament in orthopedics department and assembling tool thereof |
| CN202110165556.6A Active CN112971886B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament and assembling tool thereof |
| CN201810274170.7A Pending CN108523954A (en) | 2017-12-30 | 2018-03-30 | The assembly of nail has |
| CN201820444472.XU Active CN209018822U (en) | 2017-12-30 | 2018-03-30 | The extruding nail and its assembly tool of the fixed ligament of orthopaedics |
| CN201820439848.8U Active CN208725787U (en) | 2017-12-30 | 2018-03-30 | The assembly of bone nail has |
| CN201822260209.8U Active CN209996455U (en) | 2017-12-30 | 2018-12-30 | Anchor for fixing soft tissue for orthopedics and assembling tool thereof |
| CN201811646946.XA Pending CN109793544A (en) | 2017-12-30 | 2018-12-30 | The holdfast and its assembly tool of the fixed soft tissue of orthopaedics |
| CN201922396087.XU Active CN211583317U (en) | 2017-12-30 | 2018-12-30 | Anchor for fixing soft tissue for orthopedics and assembling tool thereof |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110165544.3A Active CN112971885B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for orthopedics and assembling tool thereof |
| CN201810276945.4A Active CN108403173B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament in orthopedics department and assembling tool thereof |
| CN202110165556.6A Active CN112971886B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament and assembling tool thereof |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820444472.XU Active CN209018822U (en) | 2017-12-30 | 2018-03-30 | The extruding nail and its assembly tool of the fixed ligament of orthopaedics |
| CN201820439848.8U Active CN208725787U (en) | 2017-12-30 | 2018-03-30 | The assembly of bone nail has |
| CN201822260209.8U Active CN209996455U (en) | 2017-12-30 | 2018-12-30 | Anchor for fixing soft tissue for orthopedics and assembling tool thereof |
| CN201811646946.XA Pending CN109793544A (en) | 2017-12-30 | 2018-12-30 | The holdfast and its assembly tool of the fixed soft tissue of orthopaedics |
| CN201922396087.XU Active CN211583317U (en) | 2017-12-30 | 2018-12-30 | Anchor for fixing soft tissue for orthopedics and assembling tool thereof |
Country Status (1)
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| CN (9) | CN112971885B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113679440B (en) * | 2019-05-13 | 2023-03-14 | 深圳市立心科学有限公司 | Interface extrusion nail |
| CN112957089B (en) * | 2021-03-19 | 2022-06-14 | 北京德益达美医疗科技有限公司 | Anchor with wire |
| CN117462229B (en) * | 2023-12-26 | 2024-03-08 | 泓欣科创生物科技(北京)有限公司 | Interface screw assembly |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108403173A (en) | 2018-08-17 |
| CN211583317U (en) | 2020-09-29 |
| CN209018822U (en) | 2019-06-25 |
| CN112971885B (en) | 2022-01-04 |
| CN108403173B (en) | 2021-03-02 |
| CN112971885A (en) | 2021-06-18 |
| CN209996455U (en) | 2020-01-31 |
| CN112971886A (en) | 2021-06-18 |
| CN112971886B (en) | 2022-01-04 |
| CN109793544A (en) | 2019-05-24 |
| CN208725787U (en) | 2019-04-12 |
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Effective date of registration: 20191226 Address after: 518000 902, building B, Feiyang science and Technology Innovation Park, No.8, Longchang Road, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen city heart Science Co. Ltd. Applicant after: No.6 People's Hospital, Shanghai City Address before: Room 505, Building 5-6, Building A, Feiyang Xingye Science and Technology Factory, Liuxian Second Road, Xin'an Street, Baoan District, Shenzhen City, Guangdong Province Applicant before: Shenzhen city heart Science Co. Ltd. |
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