CN203524811U - Proximal-humerus or proximal-femur reconstructing device - Google Patents
Proximal-humerus or proximal-femur reconstructing device Download PDFInfo
- Publication number
- CN203524811U CN203524811U CN201320612804.8U CN201320612804U CN203524811U CN 203524811 U CN203524811 U CN 203524811U CN 201320612804 U CN201320612804 U CN 201320612804U CN 203524811 U CN203524811 U CN 203524811U
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- China
- Prior art keywords
- humerus
- prosthesis
- head
- neck
- handle
- 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.)
- Expired - Lifetime
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- 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
- A61F2/40—Joints for shoulders
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The utility model discloses a proximal-humerus or proximal-femur reconstructing device which comprises a prosthesis and a titanium cage. The prosthesis comprises a prosthesis head and a prosthesis handle, the prosthesis head and the prosthesis handle are combined, the titanium cage is arranged outside the prosthesis handle, and the upper end of the titanium cage is connected with the prosthesis head. When the prosthesis is a humerus prosthesis, the prosthesis head comprises a humerus head-neck part, the humerus head-neck part is formed by a humerus head and a humerus neck connected with the humerus head, and the prosthesis handle comprises a humerus handle connected with the humerus neck. When the prosthesis is a femur upper-middle section prosthesis, the prosthesis head comprises a femur head-neck part, and the prosthesis handle comprises a femur handle. According to the proximal-humerus or proximal-femur reconstructing device, the proximal humerus or proximal femur can be replaced to reconstruct the shoulder joint or hip joint, reconstruction can be carried out on coloboma after a bone tumour of the diaphysis of the proximal humerus or proximal femur is excised, and the proximal-humerus or proximal-femur reconstructing device is suitable for reconstructing of a C-type fracture condition with the seriously-smashed diaphysis of the proximal humerus or seriously-smashed proximal femur.
Description
Technical field
This utility model relates to a kind of device being installed in human body, is specifically related to the reconstructing device of a kind of humerus or near end of thighbone.
Background technology
Fixing and three kinds of modes of artificial joint prosthesis displacement in the treatment of the upper arm (thigh) proximal bone fracture and the bone tumor main employing upper arm (thigh) proximal bone pegboard systems, medullar nail system reset at present.For accompanying the C type of the serious pulverizing of the key near-end of the upper arm (thigh) to fracture, use the satisfied reset of interior fixing very difficult acquisition and the upper arm (thigh) head necrosis risk very big; Gerontal patient's osteoporosis is serious, and interior fixedly difficulty and very easily generation are loosening to cause treating unsuccessfully; The tumor focus of the upper arm (thigh) proximal bone sclerotin heavy damage is with bone is damaged in various degree, internal fixation treatment difficulty is large, standard articular prosthesis cannot solve diaphyseal bone deletion problem, the measure prostheses process-cycle is long, volume is heavy, and has the problems such as prosthese and pulp cavity are bondingly limited in scope, stress concentration.Meanwhile, the reconstruction effect direct relation postoperative function of periarticular vital tissue (joint capsule, tendon etc.) attachment point, existing prosthese generally lacks solution.
The upper arm (thigh) proximal bone complicated injuries and Patients with Bone Tumor operating difficulty are large, because the operative failure rate that apparatus problem causes is high, even some cases is rebuild limbs structure and had to select amputation in default of suitable treatment means.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, the reconstructing device of a kind of humerus or near end of thighbone is provided, this reconstructing device not only can replacing humerus or near end of thighbone, rebuild shoulder joint or hip joint, and can rebuild humerus or near end of thighbone backbone's bony defect, be particularly useful for accompanying the reconstruction of the serious C type fracture situation of pulverizing of the key nearly section of the upper arm (thigh).
The technical scheme that this utility model is realized above-mentioned purpose is:
A reconstructing device for humerus or near end of thighbone, is characterized in that, comprises prosthese and titanium cage, and wherein, described prosthese comprises knockdown prosthesis head and prosthesis handle; Described titanium cage is arranged at outside prosthesis handle, and the upper end of this titanium cage is connected with prosthesis head.
A preferred version of the present utility model, wherein, described prosthese is artificial body of the humerus, and wherein, described prosthesis head comprises humerus head and neck, and this humerus head and neck consists of head of humerus and the humerus neck that is connected with head of humerus; Described prosthesis handle comprises the humerus handle being connected with humerus neck.
Further, described humerus handle comprises humerus handle par and humerus handle extension rod, and wherein, the upper end of humerus handle extension rod is connected with humerus neck, and lower end is connected with humerus handle par.
Further, the bottom of described head of humerus is provided with to two of downward-extension and connects projection, between this two connections projection, be formed with the space that allows humerus neck insert, the upper end of described humerus neck is inserted in this space, described connection projection and humerus neck are provided with lock hole, and both connect by this lock hole and lock screw; The lower end of the lower end of described humerus neck and humerus handle extension rod is provided with the connection draw-in groove that structure is identical, and the upper end of described humerus par and humerus extension rod is provided with the union joint that structure is identical, and the shape of this union joint matches with the described draw-in groove that is connected; Described union joint is inserted in described connection draw-in groove, and this union joint and link slot be provided with lock hole, and both connect by this lock hole and lock screw.
A preferred version of the present utility model, wherein, when described prosthese is artificial body of the humerus, the near-end of described titanium cage is provided with proximal humerus shape matches and expands structure, and the edge of opening of this titanium cage near-end and described head of humerus bottom edge connect.
A preferred version of the present utility model, wherein, described prosthese is femoral prosthesis, and wherein, described prosthesis head comprises femoral head neck, and described prosthesis handle comprises femoral stem.
Further, adopt rotation posture adjustment structure to be connected between described femoral head neck and femoral stem, this rotation posture adjustment structure is:
The lower end of described femoral head neck is provided with adjustment hole, on the inwall of this adjustment hole, be evenly distributed with teeth groove, the upper end of described femoral stem is connected with adaptor, and the upper end of this adaptor is provided with regulating shaft, is evenly distributed with the latch matching with described teeth groove on the outer wall of this regulating shaft; Described regulating shaft is inserted in described adjustment hole, and described latch is embedded between adjacent two teeth groove; In described adaptor body, be provided with via hole, the upper end of described femoral stem has union joint, and this union joint is fixedly connected with by screw with femoral head neck through described via hole.
Further, described femoral stem is provided with longitudinal sour jujube and spiral groove structured.
A preferred version of the present utility model, wherein, when described prosthese is femoral prosthesis, the edge, lower surface of half of the edge of opening of the near-end of described titanium cage and femoral head neck connects, second half extends upward to form with near end of thighbone shape matches and expands structure, and this expands structure and is surrounded on outside described femoral head neck.
A preferred version of the present utility model, wherein, the far-end of described titanium cage is trimmed to 3 or 4 laciniations.
This utility model compared with prior art has following beneficial effect:
In the reconstructing device of humerus of the present utility model or near end of thighbone, adopted prosthese and titanium cage to combine humerus or near end of thighbone are rebuild, wherein, described prosthese can be replaced humerus or Proximal Femoral Defect part, rebuilds shoulder joint or hip joint; Described titanium cage can be rebuild form support frame is provided for humerus or near end of thighbone, bone grafting space and periarticular tissue reconstruction attachment point are provided simultaneously, thereby realize humerus or near end of thighbone backbone's the particularly seriously reconstruction of the C type of pulverizing fracture of bony defect.
In addition,, in this utility model, described prosthese is modular hip implant, therefore prosthesis head and prosthesis handle can be made to different specifications, during operation, for different patients, select to match with it prosthese, thereby without measure prostheses, save operating time, also reduced the manufacturing cost of prosthese.
Accompanying drawing explanation
Fig. 1 is the perspective view of a specific embodiment of the reconstructing device of humerus of the present utility model or near end of thighbone.
Fig. 2 is the perspective view of prosthese part in Fig. 1 illustrated embodiment.
Fig. 3 and Fig. 4 are the perspective view on two visual angles of head of humerus neck portion in Fig. 2.
Fig. 5 and Fig. 6 are the perspective view on humerus handle extension rod two visual angles partly in Fig. 2.
Fig. 7 is the perspective view of humerus handle par part in Fig. 2.
Fig. 8 is the perspective view of titanium cage part in Fig. 1 illustrated embodiment.
Fig. 9 is the perspective view of second specific embodiment of the reconstructing device of humerus of the present utility model or near end of thighbone.
Figure 10 is the perspective view of prosthese part in Fig. 9 illustrated embodiment.
Figure 11 and Figure 12 are the perspective view on femoral head neck two visual angles partly in Figure 10.
Figure 13 and Figure 14 are the perspective view on two visual angles of Figure 10 transfer blank area.
Figure 15 is the perspective view of femur rod part in Figure 10.
Figure 16 is the perspective view of titanium cage part in Figure 10 illustrated embodiment.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited to this.
The reconstructing device of humerus of the present utility model or near end of thighbone is formed and is formed by prosthese and titanium cage, and wherein, described prosthese is mainly comprised of knockdown prosthesis head and prosthesis handle, for replacing humerus or Proximal Femoral Defect part, rebuilds shoulder joint or hip joint.Described titanium cage is arranged at outside prosthesis handle, and be enclosed on the backbone of humerus or near end of thighbone, for humerus or near end of thighbone, rebuild form support frame is provided, bone grafting space and periarticular tissue reconstruction attachment point are provided simultaneously, the upper end of this titanium cage is connected with prosthesis head.
So that being redeveloped into of humerus and near end of thighbone is routine, the concrete enforcement of the reconstructing device of humerus of the present utility model or near end of thighbone is described in detail respectively below.
Embodiment 1
Referring to Fig. 1～Fig. 7, in the present embodiment, described prosthese is artificial body of the humerus, and wherein, described prosthesis head comprises humerus head and neck 1, and this humerus head and neck 1 consists of head of humerus 1-1 and the humerus neck 1-2 that is connected with head of humerus 1-1; Described prosthesis handle comprises the humerus handle being connected with humerus neck 1-2.
Referring to Fig. 2～Fig. 7, described humerus handle comprises humerus handle par 4 and humerus handle extension rod 3, and wherein, the upper end of humerus handle extension rod 3 is connected with humerus neck 1-2, and lower end is connected with humerus handle par 4.Adopt the object of this scheme to be, for general patient, adopt humerus handle par 4 can complete reconstruction, and for some patient, due to osteopathia or severe trauma, to cause proximal humerus bone destruction serious, the length that need to extend humerus handle, now can on humerus handle par 4, connect humerus handle extension rod 3, thereby meet operation needs, and without for this patient customized humerus handle, expanded the scope of application that changes reconstructing device.
Referring to Fig. 2～Fig. 7, above-mentioned humerus head and neck 1, humerus handle par 4 and humerus handle extension rod 3 adopt following mode to connect: the bottom of described head of humerus 1-1 is provided with to two of downward-extension and connects projection 1-6, between this two connections projection 1-6, be formed with the space that allows humerus neck 1-2 insert, the upper end of described humerus neck 1-2 is inserted in this space, described connection projection 1-6 and humerus neck 1-2 are provided with lock hole 1-3, and both connect by this lock hole 1-3 and lock screw.The lower end of the lower end of described humerus neck 1-2 and humerus handle extension rod 3 is provided with connection draw-in groove 1-5, the 3-4 that structure is identical, the upper end of described humerus handle par 4 and humerus handle extension rod 3 is provided with union joint 3-1, the 4-2 that structure is identical, and the shape of this union joint 3-1,4-2 matches with described draw-in groove 1-5, the 3-4 of being connected.Described union joint 3-1,4-2 are inserted in described connection draw-in groove 1-5,3-4, and this union joint 3-1,4-2 and link slot 1-5,3-4 are provided with lock hole, and (lock hole on link slot 3-4 is that the lock hole on 3-3, link slot 1-5 is 1-4, all the other lock holes are unmarked), both connect by this lock hole and lock screw.Described union joint 3-1,4-2 and connection draw-in groove 1-5,3-4 are roughly rectangular, one of them place, angle of this rectangle is provided with the projective structure of circular arc, guaranteeing that union joint 3-1,4-2 are inserted in described connection draw-in groove 1-5,3-4 does not rotate, and just looks at and can prevent misplug.In above-mentioned connected mode, when humerus handle only includes humerus handle par 4, union joint 4-2 on humerus handle par 4 is directly connected with the draw-in groove 1-5 that is connected of humerus neck 1-2, and when humerus handle comprises humerus handle par 4 and humerus handle extension rod 3, union joint 3-1 on humerus handle extension rod 3 be connected with the draw-in groove 1-5 that is connected of humerus neck 1-2, the union joint 4-2 on humerus handle par 4 is connected with the draw-in groove 3-4 that is connected on humerus handle extension rod 3.On described humerus handle par 4 and humerus handle extension rod 3, be equipped with sour jujube 3-2,4-1, its role is to, can, so that being connected between humerus handle par 4 and humerus handle extension rod 3 and bone cement is more firm, improve the stability of humerus handle.
Referring to Fig. 1 and Fig. 8, the main body 2-1 of described titanium cage 2 is network structure, and during use, the main body 2-1 of titanium cage 2 is surrounded on humerus backbone above, and its length can be carried out cutting as required.Wherein, the near-end of titanium cage 2 is provided with proximal humerus shape matches and expands structure 2-3, to adapt to the requirement of rebuilding proximal humerus anatomy form, the edge of opening 2-2 of these titanium cage 2 near-ends and described head of humerus 1-1 bottom edge connect, and make two close structure contacts.The far-end of this titanium cage 2 can be trimmed to 3 or 4 laciniations, closely holds original humeral shaft cortex, avoids stress concentration; Also can cut out according to bone section configuration, so that titanium cage far-end entangles backbone and matches.
Referring to Fig. 9～Figure 15, in this enforcement, described prosthese is femoral prosthesis, and wherein, described prosthesis head comprises femoral head neck 5, and this femoral head neck 5 comprises femoral head neck body 5-1 and is located at the connecting device 5-2 on this femoral head neck body 5-1; Described prosthesis handle comprises femoral stem 8.
Referring to Figure 10～Figure 15, between described femoral head neck 5 and femoral stem 8, adopt rotation posture adjustment structure to be connected, this rotation posture adjustment structure is: the lower end of described femoral head neck 5 is provided with the adjustment hole of cylindricality, on the inwall of this adjustment hole, be evenly distributed with teeth groove 5-4, the upper end of described femoral stem 8 is connected with adaptor 6, the upper end of this adaptor 6 is provided with the regulating shaft of cylindricality, is evenly distributed with the latch 6-2 matching with described teeth groove 5-4 on the outer wall of this regulating shaft; Described regulating shaft is inserted in described adjustment hole, and described latch 6-2 is embedded between adjacent two teeth groove 5-4.In described adaptor 6 bodies, be provided with the via hole 6-3 that cross section is rectangle, the upper end of described femoral stem 8 has the linkage section 8-2 that cross section is rectangle, this linkage section 8-2 and described via hole 6-3 match, and this linkage section 8-2 is fixedly connected with by screw with femoral head neck 5 through described via hole 6-3; Wherein, femoral head neck 5 is provided with the connecting hole 5-3 being communicated with adjustment hole, on the end face of the linkage section 8-2 of femoral stem 8, is also provided with connecting hole 8-3, between femoral head neck 5 and femoral stem 8, by these two connecting hole 5-3,8-3 and screw, is fixedly connected with.Adopt the object of above-mentioned rotation posture adjustment structure to be: after resected femur handle 8, still can facilitate patient to adjust as the case may be femoral anteversion angle, this is designed with and helps reduce operating difficulty, avoids patient to cause top rake to place excessive, the too small postoperative dislocation risk that increases because lacking anatomic landmark in art.The bottom surface of described adaptor 6 is provided with two to the brace 6-1 of downward-extension, in this brace 6-1, is provided with cavernous structure, and this cavernous structure can be steel wire, titanium cable etc. and provides and fixedly adhere to, so that the use of near end of thighbone Reconstruction.
Referring to Figure 15, the near-end of described femoral stem 8 has the 8-1 of the portion of expanding, the space of more expanding to adapt near end of thighbone pulp cavity; This femoral stem 8 is provided with longitudinal sour jujube 8-4 and helical groove 8-5 structure, its role is to, and can, so that being connected between femoral stem 8 and bone cement is more firm, improve the stability of femoral stem 8.
Referring to Fig. 9 and Figure 16, the main body 7-1 of described titanium cage 7 is network structure, and during use, the main body 7-1 of titanium cage 7 is surrounded on femur backbone.Half 7-2 of the edge of opening of the near-end of described titanium cage 7 and the edge, lower surface of femoral head neck 5 connect and make two close structure laminatings, second half extends upward to form with near end of thighbone shape matches and expands structure 7-3, this expands structure 7-3 and is surrounded on outside described femoral head neck 5, to adapt to the requirement of Reconstruction of Proximal Femoral anatomy form.The far-end of this titanium cage 2 can be trimmed to 3 or 4 laciniations, closely holds original femoral shaft cortex, avoids stress concentration; Also can cut out according to bone section configuration, so that titanium cage far-end entangles backbone and matches.
Above-mentioned is preferably embodiment of this utility model; but embodiment of the present utility model is not subject to the restriction of foregoing; other any do not deviate from change, the modification done under spirit of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (10)
1. a reconstructing device for humerus or near end of thighbone, is characterized in that, comprises prosthese and titanium cage, and wherein, described prosthese comprises knockdown prosthesis head and prosthesis handle; Described titanium cage is arranged at outside prosthesis handle, and the upper end of this titanium cage is connected with prosthesis head.
2. the reconstructing device of humerus according to claim 1 or near end of thighbone, is characterized in that, described prosthese is artificial body of the humerus, and wherein, described prosthesis head comprises humerus head and neck, and this humerus head and neck consists of head of humerus and the humerus neck that is connected with head of humerus; Described prosthesis handle comprises the humerus handle being connected with humerus neck.
3. the reconstructing device of humerus according to claim 2 or near end of thighbone, is characterized in that, described humerus handle comprises humerus handle par and humerus handle extension rod, and wherein, the upper end of humerus handle extension rod is connected with humerus neck, and lower end is connected with humerus handle par.
4. the reconstructing device of humerus according to claim 3 or near end of thighbone, it is characterized in that, the bottom of described head of humerus is provided with to two of downward-extension and connects projection, between this two connections projection, be formed with the space that allows humerus neck insert, the upper end of described humerus neck is inserted in this space, described connection projection and humerus neck are provided with lock hole, and both connect by this lock hole and lock screw; The lower end of the lower end of described humerus neck and humerus extension rod is provided with the connection draw-in groove that structure is identical, and described humerus handle par is provided with the upper end of humerus handle extension rod the union joint that structure is identical, and the shape of this union joint matches with the described draw-in groove that is connected; Described union joint is inserted in described connection draw-in groove, and this union joint and link slot be provided with lock hole, and both connect by this lock hole and lock screw.
5. the reconstructing device of humerus according to claim 2 or near end of thighbone, is characterized in that, the near-end of described titanium cage is provided with proximal humerus shape matches and expands structure, and the edge of opening of this titanium cage near-end and described head of humerus bottom edge connect.
6. the reconstructing device of humerus according to claim 1 or near end of thighbone, is characterized in that, described prosthese is femoral prosthesis, and wherein, described prosthesis head comprises femoral head neck, and described prosthesis handle comprises femoral stem.
7. the reconstructing device of humerus according to claim 6 or near end of thighbone, is characterized in that, adopts rotation posture adjustment structure to be connected between described femoral head neck and femoral stem, and this rotation posture adjustment structure is:
The lower end of described femoral head neck is provided with adjustment hole, on the inwall of this adjustment hole, be evenly distributed with teeth groove, the upper end of described femoral stem is connected with adaptor, and the upper end of this adaptor is provided with regulating shaft, is evenly distributed with the latch matching with described teeth groove on the outer wall of this regulating shaft; Described regulating shaft is inserted in described adjustment hole, and described latch is embedded between adjacent two teeth groove; In described adaptor body, be provided with via hole, the upper end of described femoral stem has union joint, and this union joint is fixedly connected with by screw with femoral head neck through described via hole.
8. the reconstructing device of humerus according to claim 7 or near end of thighbone, is characterized in that, described femoral stem is provided with longitudinal sour jujube and spiral groove structured.
9. the reconstructing device of humerus according to claim 6 or near end of thighbone, it is characterized in that, the edge, lower surface of half of the edge of opening of the near-end of described titanium cage and femoral head neck connects, second half extends upward to form with near end of thighbone shape matches and expands structure, and this expands structure and is surrounded on outside described femoral head neck.
10. according to the reconstructing device of the humerus described in claim 5 or 9 or near end of thighbone, it is characterized in that, the far-end of titanium cage is trimmed to 3 or 4 laciniations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612804.8U CN203524811U (en) | 2013-09-30 | 2013-09-30 | Proximal-humerus or proximal-femur reconstructing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612804.8U CN203524811U (en) | 2013-09-30 | 2013-09-30 | Proximal-humerus or proximal-femur reconstructing device |
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| CN203524811U true CN203524811U (en) | 2014-04-09 |
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| CN201320612804.8U Expired - Lifetime CN203524811U (en) | 2013-09-30 | 2013-09-30 | Proximal-humerus or proximal-femur reconstructing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519921A (en) * | 2013-09-30 | 2014-01-22 | 暨南大学 | Reconstruction device of humerus or thighbone near end |
| CN105411726A (en) * | 2015-12-11 | 2016-03-23 | 陈伟 | Sectional adjustable artificial hip joint prosthesis |
-
2013
- 2013-09-30 CN CN201320612804.8U patent/CN203524811U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519921A (en) * | 2013-09-30 | 2014-01-22 | 暨南大学 | Reconstruction device of humerus or thighbone near end |
| CN105411726A (en) * | 2015-12-11 | 2016-03-23 | 陈伟 | Sectional adjustable artificial hip joint prosthesis |
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