CN109044569A - Type femoral bone end prosthesis and artificial hip joint - Google Patents

Type femoral bone end prosthesis and artificial hip joint Download PDF

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Publication number
CN109044569A
CN109044569A CN201811037752.XA CN201811037752A CN109044569A CN 109044569 A CN109044569 A CN 109044569A CN 201811037752 A CN201811037752 A CN 201811037752A CN 109044569 A CN109044569 A CN 109044569A
Authority
CN
China
Prior art keywords
hole portion
femoral bone
bone end
type femoral
end prosthesis
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.)
Pending
Application number
CN201811037752.XA
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Chinese (zh)
Inventor
贾海涛
李叙章
王高原
张纪锋
梁涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ansong Technology Co ltd
Original Assignee
Beijing Ansong Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Ansong Technology Co ltd filed Critical Beijing Ansong Technology Co ltd
Priority to CN201811037752.XA priority Critical patent/CN109044569A/en
Publication of CN109044569A publication Critical patent/CN109044569A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3662—Femoral shafts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625—Necks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/32—Joints for the hip
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3652—Connections of necks to shafts

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Prostheses (AREA)

Abstract

The present invention relates to the field of medical instrument technology more particularly to a kind of type femoral bone end prosthesis and artificial hip joint.The type femoral bone end prosthesis includes sequentially connected handle conehead, handle neck and handle body；The handle neck is provided with operation mounting hole；The operation mounting hole includes sequentially connected holding hole portion and screw thread hole portion；The described holding one end of hole portion far from the screw thread hole portion is arranged in the aperture of the operation mounting hole；Along the axial direction perpendicular to the screw thread hole portion, the cross-sectional area for holding hole portion is greater than the cross-sectional area of screw thread hole portion, and the cross section for holding hole portion is in non-circular.The artificial hip joint includes type femoral bone end prosthesis.The purpose of the present invention is to provide type femoral bone end prosthesis and artificial hip joints, to improve the Stability and veracity of type femoral bone end prosthesis installation.

Description

Type femoral bone end prosthesis and artificial hip joint
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of type femoral bone end prosthesis and artificial hip joint.
Background technique
Artificial hip joint is made of components such as femoral stem, acetabular cup and femorals head, and wherein femoral stem is as most important Fixation member is always the focus in joint designs field.For Hip stem design, fixed position, fixed form, section shape Shape, sectional dimension etc. are all design focal points, but in numerous design features, often ignore the design of operation mounting hole, Or the mounting hole that will perform the operation is as an inessential project.
In the prior art, for femoral stem when performing the operation installation, the operation mounting hole of only one shoulder can be by so shoulder The design of the operation mounting hole in portion directly affects whether femoral stem stable and accurate can be implanted into.For example, if the hand of shoulder Art mounting hole thread turns is inadequate or screw thread is too thin, will lead to and thread damage occurs when tapping energetically, generates metal fragment, and Further lead to thread failure etc., to affect the Stability and veracity of femoral stem installation.
Therefore, the application provides a kind of new type femoral bone end prosthesis and artificial hip joint regarding to the issue above, effectively to protect Demonstrate,prove the Stability and veracity of femoral stem installation.
Summary of the invention
The purpose of the present invention is to provide type femoral bone end prosthesis, to improve the Stability and veracity of type femoral bone end prosthesis installation.
The object of the invention is also to provide artificial hip joints, to improve the accuracy and stabilization of type femoral bone end prosthesis installation Property.
To achieve the goals above, the present invention provides following technical schemes；
Based on above-mentioned first purpose, type femoral bone end prosthesis provided by the invention, including sequentially connected handle conehead, handle neck and Handle body；
The handle neck is provided with operation mounting hole；
The operation mounting hole includes sequentially connected holding hole portion and screw thread hole portion；The aperture of the operation mounting hole is set It sets in the described holding one end of hole portion far from the screw thread hole portion；
Along the axial direction perpendicular to the screw thread hole portion, the cross-sectional area for holding hole portion is greater than the cross section of screw thread hole portion Product, and the cross section for holding hole portion is in non-circular.
In any of the above-described technical solution, optionally, the axis for holding hole portion is parallel with the axis of the handle body, and Spacing L:2mm≤L≤6mm between the axis for holding hole portion and the axis of the handle body；
The axis for holding hole portion is arranged between the axis of the handle body and the handle conehead.
In any of the above-described technical solution, optionally, the handle neck includes platform part and connect with the platform part The cumulative portion of handle neck, the platform part are provided with the operation mounting hole；
A:0 ° of cone angle≤A≤10 ° in the cumulative portion of handle neck, and the small bore end in the cumulative portion of handle neck is close to the handle Conehead.
In any of the above-described technical solution, optionally, nominal diameter M:5mm≤M of the threaded hole of the screw thread hole portion≤ 8mm。
In any of the above-described technical solution, optionally, the number of active coils of the threaded hole of the screw thread hole portion is enclosed not less than 3, Hole depth H:H≤15mm of the threaded hole of the screw thread hole portion.
In any of the above-described technical solution, optionally, the cross section for holding hole portion is zhou duicheng tuxing.
In any of the above-described technical solution, optionally, the cross section for holding hole portion is oval.
In any of the above-described technical solution, optionally, between the minor axis R1 and major diameter R2 of the cross section for holding hole portion Relationship are as follows: 2mm≤(R2-R1)≤15mm.
In any of the above-described technical solution, optionally, along the axial direction of the screw thread hole portion, the depth D for holding hole portion: 1mm≤D≤3mm。
Based on above-mentioned second purpose, artificial hip joint provided by the invention, including type femoral bone end prosthesis.
By adopting the above technical scheme, beneficial effects of the present invention:
Type femoral bone end prosthesis provided by the invention, including sequentially connected handle conehead, handle neck and handle body；It is set by handle neck The operation mounting hole set includes holding hole portion and screw thread hole portion, and the cross section of hole portion is held along the axial direction perpendicular to screw thread hole portion Product is greater than the cross-sectional area of screw thread hole portion, to hold hole portion and be clamped by surgical instrument, by holding hole portion when performing the operation implementation Bottom hole platform transmits percussion power, and then type femoral bone end prosthesis is implanted in the ossis of human femur under loading, improves type femoral bone end prosthesis The Stability and veracity of installation；By holding the cross section of hole portion in non-circular, to improve type femoral bone end prosthesis and surgical instrument The anti-rotational performance of connection, to reduce or avoid when tapping, the appearance of type femoral bone end prosthesis or surgical instrument is broken, is bent etc. Phenomenon further improves the Stability and veracity of type femoral bone end prosthesis installation.
Artificial hip joint provided by the invention includes type femoral bone end prosthesis；The operation being arranged by the handle neck of type femoral bone end prosthesis Mounting hole includes holding hole portion and screw thread hole portion, and be greater than spiral shell along the axial cross-sectional area for holding hole portion perpendicular to screw thread hole portion The cross-sectional area in pit portion, to hold hole portion and be clamped by surgical instrument, pass through the bottom hole platform for holding hole portion when performing the operation implementation Percussion power is transmitted, and then type femoral bone end prosthesis is implanted in the ossis of human femur under loading, improves the standard of type femoral bone end prosthesis installation True property and stability；By holding the cross section of hole portion in non-circular, prevented with improve that type femoral bone end prosthesis connect with surgical instrument Verticity, with reduce or avoid tap when, type femoral bone end prosthesis or surgical instrument appearance fracture, bending phenomena such as, into One step improves the Stability and veracity of type femoral bone end prosthesis installation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first angle structural schematic diagram for the type femoral bone end prosthesis that the embodiment of the present invention one provides；
Fig. 2 is the partial schematic diagram of type femoral bone end prosthesis shown in FIG. 1；
Fig. 3 is the top view of type femoral bone end prosthesis shown in FIG. 1；
Fig. 4 is the second angle structural schematic diagram for the type femoral bone end prosthesis that the embodiment of the present invention one provides.
Icon: 1- handle conehead；2- handle neck；21- platform part；The cumulative portion of 22- handle neck；3- holds hole portion；4- screw thread hole portion； 5- handle body.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is 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 " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Embodiment one
Shown in referring to figures 1-4, a kind of type femoral bone end prosthesis is present embodiments provided；Fig. 1 is femur provided in this embodiment The first angle structural schematic diagram namely main view of handle prosthese；Fig. 2 is the partial schematic diagram of type femoral bone end prosthesis shown in FIG. 1；Figure 3 be the top view of type femoral bone end prosthesis shown in FIG. 1；Fig. 4 is the schematic perspective view of type femoral bone end prosthesis provided in this embodiment.
Type femoral bone end prosthesis provided in this embodiment is suitable for artificial hip joint, for being mounted in the femur of human body.
Shown in referring to figures 1-4, the type femoral bone end prosthesis includes sequentially connected handle conehead 1, handle neck 2 and handle body 5；
Handle neck 2 is provided with operation mounting hole；Operation mounting hole is for connecting operation tool, surgical instrument.
Mounting hole of performing the operation includes sequentially connected holding hole portion 3 and screw thread hole portion 4；The aperture of operation mounting hole is arranged in handle Hold the one end of hole portion 3 far from screw thread hole portion 4；Namely relative to screw thread hole portion 4, hole portion 3 is held close to handle conehead 1.
Along the axial direction perpendicular to screw thread hole portion 4, the cross-sectional area for holding hole portion 3 is greater than the cross-sectional area of screw thread hole portion 4, and The cross section of hole portion 3 is held in non-circular.Optionally, the axially coincident of axial direction and the screw thread hole portion 4 of hole portion 3 is held.Optionally, Hold the cross section of the cross section covering screw thread hole portion 4 of hole portion.
Type femoral bone end prosthesis described in the present embodiment, including sequentially connected handle conehead 1, handle neck 2 and handle body 5；Pass through handle The operation mounting hole that neck 2 is arranged includes holding hole portion 3 and screw thread hole portion 4, and hold hole along perpendicular to the axial of screw thread hole portion 4 The cross-sectional area in portion 3 is greater than the cross-sectional area of screw thread hole portion 4, to hold hole portion 3 and be clamped by surgical instrument when performing the operation implementation, Bottom hole platform by holding hole portion 3 transmits percussion power, and then type femoral bone end prosthesis is implanted in the ossis of human femur under loading, mentions The high Stability and veracity of type femoral bone end prosthesis installation；By holding the cross section of hole portion 3 in non-circular, to improve femoral stem The anti-rotational performance that prosthese is connect with surgical instrument, to reduce or avoid when tapping, type femoral bone end prosthesis or surgical instrument There is phenomena such as fracture, bending, further improves the Stability and veracity of type femoral bone end prosthesis installation.
Optionally, axis of the bottom hole platform perpendicular to handle body 5 of hole portion 3 is held.In order to be performed the operation when implementing operation The holding hole portion 3 of instrument clamping preferably transmits percussion power by holding the bottom hole platform of hole portion 3, and then more accurate and stable Type femoral bone end prosthesis is implanted in the ossis of human femur under loading.
Referring to fig. 2 and shown in Fig. 4, in the optinal plan of the present embodiment, the axis of the axis and handle body 5 that hold hole portion 3 is flat It is capable or substantially parallel.When implementing operation, holds hole portion 3 and clamped by surgical instrument, and the bottom hole platform by holding hole portion 3 Percussion power is transmitted, type femoral bone end prosthesis is implanted in the ossis of human femur under loading, wherein the axis of handle body 5 is type femoral bone end prosthesis The Main way of implantation will generate additional power if percussion power is not conllinear with the axis of handle body 5, to influence stock The Stability and veracity of bone handle prosthese installation.
Optionally, spacing L:2mm≤L≤6mm between the axis of hole portion 3 and the axis of handle body 5 is held；Such as L is 2mm, 3.5mm, 4.5mm or 5mm etc..By enabling the spacing L between the axis for holding hole portion 3 and the axis of handle body 5 meet 2mm ≤ L≤6mm is also kept away with the torque and moment of flexure that the axis of reduction holding hole portion 3 is not parallel with the axis of handle body 5 conllinear and generates Exempted from spacing L it is too small and lead to hold the cross section of hole portion 3 can be beyond type femoral bone end prosthesis on the outside of type femoral bone end prosthesis, namely avoid Type femoral bone end prosthesis generates notch, so avoid generation notch and caused by significantly reduce tired longevity of type femoral bone end prosthesis Life.It should be noted that either torque or moment of flexure, all can very likely make type femoral bone end prosthesis be implanted into incorrect or stress not Uniformly, and then cause type femoral bone end prosthesis implantation position improper or fracture occurs and causes accident surgery in performing the operation.
Optionally, the axis for holding hole portion 3 is arranged between the axis of handle body 5 and handle conehead 1, it can be understood as holds hole The axis in portion 3, can be beyond type femoral bone end prosthesis to femoral stem to avoid the cross section for holding hole portion 3 in the inside of the axis of handle body 5 On the outside of prosthese, namely avoid type femoral bone end prosthesis and generate notch, so avoid generation notch and caused by significantly reduce stock The fatigue life of bone handle prosthese.
Optionally, the axially coincident of axial direction and the screw thread hole portion 4 of hole portion 3 is held；That is, the axis and handle of screw thread hole portion 4 The axis of body 5 is parallel or substantially parallel, and spacing L:2mm≤L between the axis of screw thread hole portion 4 and the axis of handle body 5≤ 6mm。
Referring to figure 1 and figure 2, in the optinal plan of the present embodiment, handle neck 2 include platform part 21 and with platform part 21 The cumulative portion 22 of the handle neck of connection, platform part 21 are provided with operation mounting hole.Namely the table top of platform part 21 is the hole for holding hole portion 3 Table top where mouthful.
In order to guarantee to hold the aperture two sides table surface height uniformity as far as possible of hole portion 3, the shoulder of handle neck 2 should be carried out Platform Designing namely the table top of platform part 21 carry out Platform Designing, should not there is the excessive gradient, otherwise will lead to surgical instrument peace Dress is inconvenient.But when carrying out Platform Designing, the material of handle neck 2 will be necessarily reduced, the material of handle neck 2 is fewer, handle The ability of the resistance shock loading of neck 2, fatigue load etc. will be poorer, so 2 material of reservation handle neck that should be more as far as possible. Therefore, the design of the cone angle A in the cumulative portion 22 of handle neck is particularly important.
Optionally, A:0 ° of cone angle≤A≤10 ° in the cumulative portion 22 of handle neck, and the small bore end in the cumulative portion 22 of handle neck is close to handle Conehead 1.By enabling the cone angle A in the cumulative portion 22 of handle neck meet 0 °≤A≤10 °, to guarantee to hold hole portion 3 on the one hand as far as possible Aperture two sides table surface height uniformity, avoid or reduce hold the aperture two sides table top of hole portion 3 the gradient it is excessive and cause Surgical instrument installation is inconvenient, and then avoids or reduce its influence to the Stability and veracity of type femoral bone end prosthesis installation； On the other hand, and cumulative 22 material of portion of reservation handle neck as much as possible namely 2 material of reservation handle neck as much as possible, prevent The ability that 2 material of handle neck is very few and reduces the resistance shock loading of handle neck 2, fatigue load etc..To sum up, by enabling handle neck gradually The cone angle A in increasing portion 22 meets 0 °≤A≤10 °, both ensure that the convenience of operation, and had in turn ensured the bearing capacity of handle neck 2.
Wherein, cone angle A for example can be 0 °, 2 °, 3.5 °, 5 °, 8 ° or 9.5 ° etc..
Optionally, in the plane that the axis of the axis of handle body 5 and handle neck 2 is formed, the cone angle A in the cumulative portion 22 of handle neck: 0 °≤A≤10 °, and the small bore end in the cumulative portion 22 of handle neck is close to handle conehead 1.
Optionally, A:0 ° of A≤10 ° < of cone angle in the cumulative portion 22 of handle neck namely the cross section in the cumulative portion 22 of handle neck are along handle neck The axis in portion 2 is gradually increased.
In the optinal plan of the present embodiment, nominal diameter M:5mm≤M≤8mm of the threaded hole of screw thread hole portion 4.For example, spiral shell The nominal diameter M of the threaded hole in pit portion 4 is 5mm, 5.5mm, 6.8mm, 7mm or 7.5mm etc..By enabling screw thread hole portion 4 The nominal diameter M of threaded hole meets 5mm≤M≤8mm, to avoid threaded hole is too small and causes the stud of surgical instrument too small, into And it avoids due to threaded hole and stud are too small being easy to cause the damage of surgical instrument under the action of performing the operation impact force；It can be with It avoids threaded hole too big and leads to the reduction of 2 bearing capacity of handle neck.
In the optinal plan of the present embodiment, the number of active coils of the threaded hole of screw thread hole portion 4 is enclosed not less than 3, screw thread hole portion 4 Hole depth H:H≤15mm of threaded hole；Number of active coils to avoid threaded hole is very little and threaded hole is too shallow, and leads to surgical instrument Stud it is too small, and then avoid being easy to cause the damage of surgical instrument under the action of performing the operation impact force；It can also avoid screw thread The number of active coils in hole is too many and threaded hole causes the bearing capacity of handle neck 2 to reduce very much deeply.
In the optinal plan of the present embodiment, the cross section for holding hole portion 3 is zhou duicheng tuxing, to improve surgical instrument and handle Hold the convenience of the cooperation of hole portion 3.For example, the shapes such as the cross section for holding hole portion 3 is oval, rectangle, triangle, star.
Shown in Figure 3, in the optinal plan of the present embodiment, the cross section for holding hole portion 3 is oval.By in ellipse The cross section of the holding hole portion 3 of shape can also save the space for holding hole portion 3 to improve the anti-rotation performance of type femoral bone end prosthesis.
Optionally, in the plane that the axis of oval major diameter is located at handle body 5 axis and handle neck 2 is formed.
In the optinal plan of the present embodiment, the relationship between the minor axis R1 and major diameter R2 of the cross section of hole portion 3 is held are as follows: 2mm≤(R2-R1)≤15mm.By hold hole portion 3 cross section minor axis R1 and major diameter R2 between relationship meet 2mm≤ (R2-R1)≤15mm, to avoid or reduce major diameter and minor axis difference it is too small when, generate rotation when readily occurring in implantation and It cannot play the role of anti-rotational；Can also avoid or reduce major diameter and minor axis difference it is excessive when caused by handle neck 2 Fatigue resistance significantly reduce.
Optionally, the threadingly axial direction of hole portion 4 holds depth D:1mm≤D≤3mm of hole portion 3.By holding hole portion 3 Depth D meets 1mm≤D≤3mm, with perform the operation implement when, prevent rotation drag menisectomy instrument skid and caused by holding The loss of hole portion 3 generates metal fillings, improves the safety of operation.
Embodiment two
Embodiment two provides a kind of artificial hip joint, which includes type femoral bone end prosthesis described in embodiment one, real The technical characteristic for applying type femoral bone end prosthesis disclosed in example one is also applied for the embodiment, the published type femoral bone end prosthesis of embodiment one Technical characteristic be not repeated to describe.
Artificial hip joint provided in this embodiment, including type femoral bone end prosthesis；The stock of human body is mounted on by type femoral bone end prosthesis In bone.The artificial hip joint includes holding hole portion and screw thread by the operation mounting hole that the handle neck of type femoral bone end prosthesis is arranged Hole portion, and the cross-sectional area along the axial cross-sectional area for holding hole portion perpendicular to screw thread hole portion greater than screw thread hole portion, in hand It when art is implemented, holds hole portion and is clamped by surgical instrument, the bottom hole platform by holding hole portion transmits percussion power, and then by femoral stem In Using prosthesis to the ossis of human femur under loading, the Stability and veracity of type femoral bone end prosthesis installation is improved；By holding hole The cross section in portion is in non-circular, the anti-rotational performance being connect with improving type femoral bone end prosthesis with surgical instrument, to reduce or avoid Tap when, type femoral bone end prosthesis or surgical instrument appearance fracture, bending phenomena such as, further improve type femoral bone end prosthesis installation Stability and veracity.
Artificial hip joint described in the present embodiment has the advantages that type femoral bone end prosthesis described in embodiment one, and one institute of embodiment is public The advantages of type femoral bone end prosthesis opened, is not repeated to describe herein.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations Certain features rather than other feature included by example, but the combination of the feature of different embodiments means in the present invention Within the scope of and form different embodiments.For example, in claims above, embodiment claimed It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen pair The understanding of general background technology of the invention, and be not construed as recognizing or implying in any form that information composition has been this The prior art well known to the technical staff of field.

Claims (10)

1. a kind of type femoral bone end prosthesis, which is characterized in that including sequentially connected handle conehead, handle neck and handle body；
The handle neck is provided with operation mounting hole；
The operation mounting hole includes sequentially connected holding hole portion and screw thread hole portion；The aperture setting of the operation mounting hole exists The described holding one end of hole portion far from the screw thread hole portion；
Along the axial direction perpendicular to the screw thread hole portion, the cross-sectional area for holding hole portion is greater than the cross-sectional area of screw thread hole portion, And the cross section for holding hole portion is in non-circular.
2. type femoral bone end prosthesis according to claim 1, which is characterized in that the axis for holding hole portion and the handle body Axis is parallel, and spacing L:2mm≤L≤6mm between the axis for holding hole portion and the axis of the handle body；
The axis for holding hole portion is arranged between the axis of the handle body and the handle conehead.
3. type femoral bone end prosthesis according to claim 1, which is characterized in that the handle neck includes platform part and puts down with described The cumulative portion of handle neck of platform portion connection, the platform part are provided with the operation mounting hole；
A:0 ° of cone angle≤A≤10 ° in the cumulative portion of handle neck, and the small bore end in the cumulative portion of handle neck is bored close to the handle Head.
4. type femoral bone end prosthesis according to claim 1, which is characterized in that the nominal diameter of the threaded hole of the screw thread hole portion M:5mm≤M≤8mm.
5. type femoral bone end prosthesis according to claim 4, which is characterized in that the number of active coils of the threaded hole of the screw thread hole portion Not less than 3 circles, hole depth H:H≤15mm of the threaded hole of the screw thread hole portion.
6. type femoral bone end prosthesis according to claim 1, which is characterized in that the cross section for holding hole portion is axial symmetry figure Shape.
7. type femoral bone end prosthesis according to claim 6, which is characterized in that the cross section for holding hole portion is oval.
8. type femoral bone end prosthesis according to claim 7, which is characterized in that it is described hold hole portion cross section minor axis R1 with Relationship between major diameter R2 are as follows: 2mm≤(R2-R1)≤15mm.
9. type femoral bone end prosthesis according to claim 7, which is characterized in that along the axial direction of the screw thread hole portion, the holding Depth D:1mm≤D≤3mm of hole portion.
10. a kind of artificial hip joint, which is characterized in that including the described in any item type femoral bone end prosthesis of claim 1-9.
CN201811037752.XA 2018-09-06 2018-09-06 Type femoral bone end prosthesis and artificial hip joint Pending CN109044569A (en)

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FR2699398A1 (en) * 1992-12-21 1994-06-24 Seguier Bernard Femoral prosthesis with grooved proximal section and tapering neck
CN2657618Y (en) * 2003-11-24 2004-11-24 吴栋 Artificial hip joint handle
US20080167723A1 (en) * 2006-03-20 2008-07-10 Zimmer, Inc. Prosthetic hip implants
CN202096312U (en) * 2011-03-18 2012-01-04 北京百慕航材高科技股份有限公司 Femur proximal-end hip joint prosthesis
US20120221116A1 (en) * 2005-02-22 2012-08-30 Zimmer, Inc. Hip stem prosthesis
CN203263593U (en) * 2013-05-24 2013-11-06 重庆润泽医药有限公司 Artificial hip joint femoral handle
CN103622765A (en) * 2013-11-08 2014-03-12 深圳先进技术研究院 Artificial hip joint structure
CN203898500U (en) * 2014-05-14 2014-10-29 北京威高亚华人工关节开发有限公司 Integrated bone cement overhauling handle
CN107361883A (en) * 2017-08-01 2017-11-21 北京安颂科技有限公司 Cone locking knee-joint prosthesis
CN206934217U (en) * 2017-01-23 2018-01-30 北京华康天怡生物科技有限公司 A kind of femoral stem and hip prosthesis
CN108210128A (en) * 2017-08-07 2018-06-29 北京力达康科技有限公司 A kind of artificial α type femoral bone end prosthesis
CN209075036U (en) * 2018-09-06 2019-07-09 北京安颂科技有限公司 Type femoral bone end prosthesis and artificial hip joint

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2699398A1 (en) * 1992-12-21 1994-06-24 Seguier Bernard Femoral prosthesis with grooved proximal section and tapering neck
CN2657618Y (en) * 2003-11-24 2004-11-24 吴栋 Artificial hip joint handle
US20120221116A1 (en) * 2005-02-22 2012-08-30 Zimmer, Inc. Hip stem prosthesis
US20080167723A1 (en) * 2006-03-20 2008-07-10 Zimmer, Inc. Prosthetic hip implants
CN202096312U (en) * 2011-03-18 2012-01-04 北京百慕航材高科技股份有限公司 Femur proximal-end hip joint prosthesis
CN203263593U (en) * 2013-05-24 2013-11-06 重庆润泽医药有限公司 Artificial hip joint femoral handle
CN103622765A (en) * 2013-11-08 2014-03-12 深圳先进技术研究院 Artificial hip joint structure
CN203898500U (en) * 2014-05-14 2014-10-29 北京威高亚华人工关节开发有限公司 Integrated bone cement overhauling handle
CN206934217U (en) * 2017-01-23 2018-01-30 北京华康天怡生物科技有限公司 A kind of femoral stem and hip prosthesis
CN107361883A (en) * 2017-08-01 2017-11-21 北京安颂科技有限公司 Cone locking knee-joint prosthesis
CN108210128A (en) * 2017-08-07 2018-06-29 北京力达康科技有限公司 A kind of artificial α type femoral bone end prosthesis
CN209075036U (en) * 2018-09-06 2019-07-09 北京安颂科技有限公司 Type femoral bone end prosthesis and artificial hip joint

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Application publication date: 20181221