CN208725787U - The assembly of bone nail has - Google Patents
The assembly of bone nail has Download PDFInfo
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- CN208725787U CN208725787U CN201820439848.8U CN201820439848U CN208725787U CN 208725787 U CN208725787 U CN 208725787U CN 201820439848 U CN201820439848 U CN 201820439848U CN 208725787 U CN208725787 U CN 208725787U
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- bone nail
- handle part
- assembly tool
- stabilizer blade
- bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model provides a kind of assembly tool of bone nail, and bone nail has the through hole and multiple grooves being alongst arranged, and assembly tool includes: handle part；Multiple stabilizer blades are arranged in a manner of extending along the length direction of handle part from handle part, and multiple stabilizer blades are distributed in the periphery of handle part, and multiple stabilizer blades can cooperate with multiple grooves of bone nail；And positioning column, it is arranged in a manner of extending along the length direction of handle part from handle part and is located between each stabilizer blade, and the embeddable through hole in bone nail.In the present invention, by handle part and the multiple stabilizer blades and positioning column of handle part are set, so as to which multiple stabilizer blades and positioning column to be properly embedded to the corresponding position of bone nail, ensure that bone nail stablizes stress, inhibit to lead to problems such as bone nail stripped thread, bone nail fracture because assembly has the problem of, thus, it is possible to reliably assemble bone nail using assembly tool.
Description
Technical field
The utility model relates to field of medical appliances, the assembly more particularly to a kind of bone nail has.
Background technique
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 will lead to instability of knee, and subsequent articular cartilage damage is final to influence knee joint function
Energy.One of the essential therapeutic arsenals that Cruciate ligament reconstruction is cruciate ligament are carried out under arthroscope currently with bone nail.It is logical
The fixed tendon of bone nail is crossed in the healing in osseous tunnel, guaranteeing tendon, can also prevent tendon from moving in osseous tunnel and causing tunnel
Road expands.
The metal bone nail of nonabsorable is clinically used earliest.The advantages of metal bone nail is strength of materials height, fixed
It is firm.But metal bone nail is due to that will not be absorbed by the body, if permanent rest in body then can be to human health
Bring certain harm.For example, occurring bone dissolution around bone nail or bone nail is exposed, leads to articular cartilage damage, form synovitis
Deng.In addition, some metal bone 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 bone nail made of absorbable material in recent years.After it have passed through the improvement of many years, it is this can
The intensity of the bone 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 intensity and metal phase ratio by improved absorbable material itself
Speech is still lower, easily causes the situation of stripped thread when in use.Once there is stripped thread, doctor would become hard to the bone nail that will be failed taking-up,
Inconvenience is brought to doctor.
Summary of the invention
The utility model in view of the above-mentioned prior art situation and complete, its purpose is to provide one kind can be reliably
Assemble the assembly tool of the bone nail of bone nail.
For this purpose, the utility model provides a kind of assembly tool of bone nail, the bone nail, which has, to be alongst arranged
Through hole and multiple grooves, which is characterized in that assembly tool includes: handle part；Multiple stabilizer blades, along the holding
The length direction in portion is arranged from the mode that the handle part extends, and the multiple stabilizer blade is distributed in the periphery of the handle part, institute
Stating multiple stabilizer blades can cooperate with multiple grooves of the bone nail；And positioning column, along the length direction of the handle part
The mode extended from the handle part is arranged and is located between each stabilizer blade, and the embeddable through hole in the bone nail.
In the present invention, by handle part and the multiple stabilizer blades and positioning column of handle part are set, so as to
Multiple stabilizer blades and positioning column are properly embedded to the corresponding position of bone nail, it is ensured that bone nail stablizes stress, inhibits asking because of assembly tool
It inscribes and bone nail stripped thread, bone nail is led to problems such as to fracture, thus, it is possible to reliably assemble bone nail using assembly tool.
In the assembly tool of the bone nail involved in the utility model, optionally, the handle part is in long strip.As a result,
Assembly tool can be held and be used convenient for operators such as doctors.
In the assembly tool of the bone nail involved in the utility model, optionally, the stabilizer blade is along the handle part
Length direction is in by contracting shape.In this case, the groove of stabilizer blade insertion bone nail can be facilitated, and enable to handle part attached
The part stress of close stabilizer blade is more stable, is thus not susceptible to the phenomenon that fractureing in force.
In the assembly tool of the bone nail involved in the utility model, optionally, along the length direction of the handle part
It sees, each stabilizer blade is located at the same circumference.Thereby, it is possible to easily agree with and ensure bone nail effectively stress with bone nail.
In the assembly tool of the bone nail involved in the utility model, optionally, each stabilizer blade is evenly distributed in
The circumference.Thereby, it is possible to make bone nail uniform force, inhibit the phenomenon that stripped thread and stabilizer blade unbalance stress occurs and fractures.
In the assembly tool of the bone nail involved in the utility model, optionally, in the circumference, there are three branch for distribution
Foot.Thereby, it is possible to obtain good force stability using stabilizer blade minimum number.
The bone nail involved in the utility model assembly tool in, optionally, the handle part, the multiple stabilizer blade with
The positioning column is integrally formed.Thereby, it is possible to inhibit assembly tool to be broken.
In the assembly tool of the bone nail involved in the utility model, optionally, in the handle part, along with described
The direction for holding the length direction intersection in portion is provided with stem.Thereby, it is possible to more easily hold handle part and twisting to hold
Portion.
In the assembly tool of the bone nail involved in the utility model, optionally, the length of the stabilizer blade and the bone nail
Groove length it is identical.Thereby, it is possible to preferably apply twisting resistance to bone nail.
In the assembly tool of the bone nail involved in the utility model, optionally, the length of the positioning column and the bone
The perforation hole length of nail is identical.In this case, stable stress can be played after the through hole of positioning column insertion bone nail, prevented
Phenomena such as stripped thread.
According to the utility model, it is capable of providing a kind of assembly tool of bone nail that can reliably assemble bone nail.
Detailed description of the invention
Fig. 1 is to show when being assemblied in bone nail of assembly tool of bone nail involved in the embodiments of the present invention
Status diagram.
Fig. 2 is to show the three-dimensional structure diagram of the assembly tool of bone nail involved in the embodiments of the present invention.
Fig. 3 is to show the bottom view of the assembly tool of bone nail shown in Fig. 2.
Fig. 4 is to show the schematic diagram of the example for the bone nail that ligament is fixed involved in the embodiments of the present invention.
Fig. 5 is to show the schematic diagram of another angle of bone nail shown in Fig. 4.
Fig. 6 is to show the top view of bone nail shown in Fig. 4.
Fig. 7 is to show the sectional axonometric drawing of bone nail shown in Fig. 4.
Fig. 8 is to show the section plan of bone nail shown in Fig. 4.
Fig. 9 is to show the partial schematic diagram of bone nail shown in Fig. 4.
Figure 10 is to show the plan view of bone nail shown in Fig. 4.
Specific embodiment
Hereinafter, explaining preferred embodiments of the present invention in detail with reference to attached drawing.In the following description, for
Identical component assigns identical symbol, and the repetitive description thereof will be omitted.In addition, only schematical figure, component are mutual for attached drawing
Size ratio or the shape of component etc. can be with actual difference.
It should be noted that term " includes " and " having " and their any deformation in the utility model, such as
The process, method, system, product or equipment of included or possessed a series of steps or units are not necessarily limited to be clearly listed
Those of step or unit, but may include or with it is being not clearly listed or for these process, methods, product or
The intrinsic other step or units of equipment.
Fig. 1 is to show when being assemblied in bone nail of assembly tool of bone nail involved in the embodiments of the present invention
Status diagram.Fig. 2 is to show the three-dimensional structure diagram of the assembly tool of bone nail involved in the embodiments of the present invention.
Fig. 3 is to show the bottom view of the assembly tool of bone nail shown in Fig. 2.
Hereinafter, referring to figs. 1 to Fig. 3, describing the assembly tool for bone nail involved in present embodiment in detail.
The assembly tool 2 of bone nail involved in present embodiment can be used for assembling the bone nail 1 of for example fixed ligament.Pass through
The assembly tool 2 of bone nail, such as bone nail 1 can be implanted in osseous tunnel.In addition, bone nail 1 used in present embodiment
It such as can be extruding nail.
Assembly tool 2 involved in 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 along the length direction of handle part 21 from handle part 21, more
A stabilizer blade 22 can be distributed in the periphery of handle part 21.The embeddable groove 11 in bone nail 1 of stabilizer blade 22.In addition, positioning column 23 can
To be arranged in a manner of extending along the length direction of handle part 21 from handle part 21 and between each stabilizer blade 22, and can
It is embedded in the through hole 12 (referring to fig. 4) of bone nail 1.
In orthopedics clinic practice, the equal handle part 21 by holding assembly tool 2 of the doctors such as medical staff can will be assembled
The stabilizer blade 22 and positioning column 23 of tool 2 are assembled to the corresponding position of bone nail 1, and the stabilizer blade 22 of assembly tool 2 and positioning column 23 are corresponding 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 bone nail 1.Then, pass through operation assembly tool 2
Handle part 21 and bone nail 1 is inserted into some position (osseous tunnel).Then, have 2 by operation (such as rotating clockwise) assembly,
Bone nail 1 can be pushed to the position of appropriate depth, so that bone nail 1 be made for example to be fixed in osseous tunnel together with ligament.Finally,
Assembly tool 2 takes out along the groove 11 of bone nail 1.
In the present embodiment, by handle part and the multiple stabilizer blades and positioning column of handle part are set, so as to
Multiple stabilizer blades and positioning column are properly embedded to the corresponding position of bone nail, it is ensured that bone nail stablizes stress, inhibits asking because of assembly tool
It inscribes and bone nail stripped thread, bone nail is led to problems such as to fracture, thus, it is possible to reliably assemble bone nail using assembly tool.
In some instances, handle part 21 can be in long strip.Can have convenient for operators such as doctors to 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 the landing 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 bone nail 1, and enables to the part of the stabilizer blade 22 near handle part 21
Stress is more stable, is not susceptible to the phenomenon that fractureing 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.
In addition, it is necessary to which explanation, identical since the function of each stabilizer blade 22 of handle part 21 is arranged in, in this public affairs
Each stabilizer blade only is indicated with the same label 22 in opening.
In addition, in some instances, when stabilizer blade 22 to be embedded into the groove 11 of corresponding bone nail 1, along the diameter of bone 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 bone 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 bone nail 1.In addition, in some instances, each stabilizer blade 22 is evenly distributed in the circle
Week prevents stripped thread and the phenomenon that stabilizer blade 22 fractures thus it enables that 1 uniform force of bone nail.In addition, in some instances,
In the circumference, distribution is there are three stabilizer blade 22, the stability that thus, it is possible to obtain 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
Evenly arranged, in this case, the stabilizer blade 22 being arranged by non-isogonism cooperates the position of stabilizer blade 22 special
The groove location of bone nail 1 come using.
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 snap fit with handle part 21.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 bone nail 1.In this case,
Whole to bone nail 1 can exert a force, thus, it is possible to preferably to bone nail 1 apply that twisting resistance and reducing occurs that stabilizer blade 22 fractures can
Energy.In addition, the length of stabilizer blade 22 is also less than the length of the groove 11 of bone nail 1 in other examples.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 bone 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 bone nail 1.Thus, it is possible to adapt to the through hole 12 of different length.
In some instances, positioning column 23 can be cylindrical body.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 bone nails 1.
Hereinafter, describing bone nail involved in present embodiment in detail with reference to Fig. 4 to Figure 10.
In the application scenarios of the bone nail 1, bone 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, the bone nail 1 that ligament is fixed involved in present embodiment is being used
When, by enabling entire bone 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 bone nail 1 provided by present embodiment, guarantees being cured for tendon
It closes.In addition, passing through bone nail 1, additionally it is possible to prevent tendon from moving in osseous tunnel and tunnel is caused to expand.Involved by present embodiment
Bone 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 bone nail 1 that ligament is fixed involved in present embodiment may include rivet nut 10.Rivet nut 10
It can be in long 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, bone nail 1 can also include the ailhead connecting with rivet nut 10.There is ailhead in bone nail 1
In the case of, bone nail 1 may include that bone nail 1 is roughly divided into rivet nut 10a (rivet nut at this time for convenience of explanation by rivet nut 10 and ailhead
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 enter osseous tunnel convenient for bone nail 1.
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, and thus, it is possible to avoid dividing ailhead 10b mutually with rivet nut 10a in the operating process of bone nail 1
From thus the possibility that the bone nail 1 caused by avoiding because of separation slips.
In addition, in some instances, the material of bone 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 bone nail 1 can also be handed over selected from third
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, bone 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 bone nail 1 made of above-mentioned material, can not only perform the operation to avoid secondary taking-up,
And also avoid metal bone nail 1 and stay in the body brought inconvenience, such as not can be carried out nuclear magnetic resonance check, Huo Zhehui
Cause inflammation such as synovitis etc..In addition, the especially bone 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, bone 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, bone 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
A possibility that generation stripped thread and a possibility that be displaced in osseous tunnel in terms of show it is more outstanding.
In some instances, bone nail 1 is also provided with radiography point, that is, the label that can be shown under x-ray
Point.In this case, bone nail 1 can monitor the position of bone nail 1 in real time during being operated, and in patient
It can detecte state and the position of intracorporal bone nail 1 in subsequent inspection.
In some instances, the position of ailhead and nail tail in bone nail 1 can be set in radiography point.Facilitate observation bone as a result,
The real time position of nail 1.In other examples, the surrounding in bone nail 1 is can be set 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 bone nail and states.
In some instances, radiography point can be arranged in bone nail 1 by modes such as branding, laser, drilling placements.By
This, can guarantee that radiography point will not fall off from bone 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 guaranteeing accurately to grasp state and the position of bone 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 bone nail 1 is absorbed by the body
The case where receiving, avoiding the occurrence of secondary pollution.
Fig. 6 is to show the top view of bone nail shown in Fig. 4.Fig. 7 is to show the perspective cross section of bone nail shown in Fig. 4
Figure.Fig. 8 is to show the section plan of bone nail shown in Fig. 4.Fig. 9 is to show the partial schematic diagram of bone nail shown in Fig. 4.
Figure 10 is to show the plan view of bone nail shown in Fig. 4.
With reference to Fig. 6, the periphery of rivet nut 10 can have screw thread.In some instances, the screw thread of 10 periphery of rivet nut is set
It can be tooth form screw thread.Thereby, it is possible to increase the frictional force between bone nail 1 and osseous tunnel.
In some instances, the periphery of rivet nut 10 can be set to UNR screw thread.The constant spiral shell of UNR screw thread 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 angle for 55 jiaos, general service cylindrical thread (B.S.F.),
Series, the odd-pitch screw (Whit), constant of general service cylindrical thread (Whit.S), Hui Shi tooth form may be selected in additional Hui Shi
The unified screw thread (UN) of screw pitch series, the unified screw thread (UNC) of coarse thread series, closely-pitched series unified screw thread (UNF), ultra-fine tooth
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, so that bone nail 1 be made to 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, will be followed closely according to the sequencing that rivet nut 10 enters osseous tunnel
The both ends of body 10 are divided into the distal end and the proximal end opposite with distal end for first contacting tissue or ligament.
In some instances, screw pitch H2 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 bone nail 1 and osseous tunnel
Power enters osseous tunnel and is fixed therein to be conducive to bone nail 1.
In addition, as shown in Figure 8 and Figure 9, in some instances, the crest of screw thread set by 10 periphery of rivet nut can have
Chamfering.In some instances, θ can be equal to crest two sides the sum of flank angle, for example, 30~60 °.Thereby, it is possible to reduce bone
Follow closely 1 pair of osseous tunnel and a possibility that ligament causes secondary injury.
In other examples, the chamfering of the crest of 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 bone nail 1, it can be avoided bone nail 1 and cutting damage caused to ligament and osseous tunnel.
In addition, being also provided at least two grooves 11 of the length direction along rivet nut 10 in the periphery of rivet nut 10.
Wherein, groove 11 can run through rivet nut 10 along the length direction of rivet nut 10.
In some instances, two and two or more the length sides along rivet nut 10 can be set in the periphery of 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, the inside of rivet nut can also be arranged in groove 11, 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 also can 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, by deepening 11 depth of groove of proximal end, so that proximal end and assembly tool 2 are more
With being easier 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, groove 11a, groove 11b and groove 11c can be in isogonisms point in the case where three grooves are arranged
Cloth.In this case, the uniform force of bone nail 1 further reduces a possibility that stripped thread occurs.
In addition, in some instances, each groove 11 is also possible to non-isogonism distribution, for example, in three grooves of setting
In the case of, groove 11a, groove 11b and groove 11c can be distributed in non-isogonism.In this case, it is arranged by non-isogonism
Groove 11, inducting osseous tissue grow along 11 direction of groove, can use 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 bone nail, so that doctor is using assembling
It can use groove 11 when 2 twisting bone nail 1 of tool and increase torque, so as to only need lesser power that can twist bone nail 1, in turn
It avoids because local stress is excessive to cause stripped thread phenomenon to occur a possibility that, 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 Shi Huixian grow at groove 11, in this case, not only contribute to bone tissue find impetus thus
Promote the reparation of damage location, additionally it is possible to form occlusion structure with bone nail 1 to reduce and a possibility that displacement of bone nail 1 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, width of the groove 11 of 10 periphery of rivet nut in proximal end are greater than the groove 11 width at the far end.?
In this case, bone nail 1 can be extruded from osseous tunnel during entering osseous tunnel by being considered to be worth doing bone using groove 11, just
In discharge residual bone bits.
In addition, as shown in Figure 6,7, in some instances, bone nail 1 can also have alongst 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 bone 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, can also have the through-hole communicated with 10 periphery of rivet nut through the through-hole 12 of rivet nut 10.
Lubricating fluid can also be injected to 10 periphery of rivet nut by through-hole 12 when taking out bone nail 1 as a result, so that between bone nail 1 and osseous tunnel
Frictional force reduce, so that bone nail 1 be enabled to become prone to take out.
Although being illustrated in conjunction with the accompanying drawings and embodiments to the utility model above, it will be appreciated that above-mentioned
Illustrate not limit the utility model in any form.Those skilled in the art are in the connotation and model without departing from the utility model
It can according to need in the case where enclosing and the utility model deformed and changed, it is practical new that these deformations and variation each fall within this
In the range of type.
Claims (10)
1. a kind of assembly of bone nail has, the bone nail has the through hole and multiple grooves being alongst arranged, special
Sign is,
The assembly has
Handle part；
Multiple stabilizer blades are arranged in a manner of extending along the length direction of the handle part from the handle part, the multiple
Stabilizer blade is distributed in the periphery of the handle part, and the multiple stabilizer blade can cooperate with multiple grooves of the bone nail；And
Positioning column is arranged in a manner of extending along the length direction of the handle part from the handle part and is located at each
Between stabilizer blade, and the embeddable through hole in the bone nail.
2. assembly tool according to claim 1, which is characterized in that
The handle part is in long 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 bone 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 bone nail.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481942 | 2017-12-30 | ||
| CN2017114819426 | 2017-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208725787U true CN208725787U (en) | 2019-04-12 |
Family
ID=63132733
Family Applications (9)
| 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 |
| 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 |
| CN202110165556.6A Active CN112971886B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament 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 |
| 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 |
| CN201922396087.XU Active CN211583317U (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 |
Family Applications Before (5)
| 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 |
| 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 |
| CN202110165556.6A Active CN112971886B (en) | 2017-12-30 | 2018-03-30 | Extrusion nail for fixing ligament 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 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822260209.8U Active CN209996455U (en) | 2017-12-30 | 2018-12-30 | Anchor for fixing soft tissue for orthopedics and assembling tool thereof |
| CN201922396087.XU Active CN211583317U (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 |
Country Status (1)
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| CN (9) | CN112971885B (en) |
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| 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 |
| CN115227311A (en) * | 2022-06-29 | 2022-10-25 | 宁波拜锐生物科技有限公司 | Sheathed anchor |
| 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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- 2018-03-30 CN CN202110165544.3A patent/CN112971885B/en active Active
- 2018-03-30 CN CN201810274170.7A patent/CN108523954A/en active Pending
- 2018-03-30 CN CN201820444472.XU patent/CN209018822U/en active Active
- 2018-03-30 CN CN202110165556.6A patent/CN112971886B/en active Active
- 2018-03-30 CN CN201810276945.4A patent/CN108403173B/en active Active
- 2018-03-30 CN CN201820439848.8U patent/CN208725787U/en active Active
- 2018-12-30 CN CN201822260209.8U patent/CN209996455U/en active Active
- 2018-12-30 CN CN201922396087.XU patent/CN211583317U/en active Active
- 2018-12-30 CN CN201811646946.XA patent/CN109793544A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN112971886B (en) | 2022-01-04 |
| CN112971886A (en) | 2021-06-18 |
| CN108403173A (en) | 2018-08-17 |
| CN112971885B (en) | 2022-01-04 |
| CN209018822U (en) | 2019-06-25 |
| CN209996455U (en) | 2020-01-31 |
| CN109793544A (en) | 2019-05-24 |
| CN112971885A (en) | 2021-06-18 |
| CN211583317U (en) | 2020-09-29 |
| CN108403173B (en) | 2021-03-02 |
| CN108523954A (en) | 2018-09-14 |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20191224 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 Co-patentee after: No.6 People's Hospital, Shanghai City Patentee after: Shenzhen city heart Science Co. Ltd. Address before: 518000 room 505, floor 5-6, building a, Feiyang industrial technology plant, Liuxian 2nd Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen city heart Science Co. Ltd. |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Jinzhong Inventor after: Wang Yujue Inventor after: Jiang Jia Inventor after: Sun Yang Inventor before: Wang Yujue Inventor before: Zhao Jinzhong Inventor before: Jiang Jia Inventor before: Sun Yang |
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Effective date of registration: 20210329 Address after: Room 902, building B, Feiyang science and Technology Innovation Park, No.8, Longchang Road, 67 District, Xingdong community, Xin'an street, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN CORLIBER SCIENTIFIC Co.,Ltd. Address before: 518000 room 902, building B, Feiyang science and Technology Innovation Park, No.8, Longchang Road, 67 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CORLIBER SCIENTIFIC Co.,Ltd. Patentee before: SHANGHAI 6TH PEOPLE'S Hospital |