CN2402278Y - Improved internal supporter for hip joint - Google Patents
Improved internal supporter for hip joint Download PDFInfo
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- CN2402278Y CN2402278Y CN 99250203 CN99250203U CN2402278Y CN 2402278 Y CN2402278 Y CN 2402278Y CN 99250203 CN99250203 CN 99250203 CN 99250203 U CN99250203 U CN 99250203U CN 2402278 Y CN2402278 Y CN 2402278Y
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- hole
- movable joint
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Abstract
The utility model discloses an improved internal supporter for hip joints. The utility model is characterized in that an adjustable movable joint component is composed of a movable joint thread rod, a fastening thread sleeve, a fastening thread rod, a U-shaped movable joint and top threads; one side of the appearance of the movable joint thread rod is a conical body which is matched with an inner conical hole of one side of the U-shaped movable joint; the conical body is provided with a concave arc-shaped groove; the other side of the appearance of the movable joint thread rod is outer screw threads which are matched with inner screw threads of a fixed angle conical sleeve; the side end parts of the screw threads are provided with a hexagonal screw opening; the lower part of the inner hexagonal screw opening is provided with inner screw threads which are matched with outer screw threads of the fastening thread sleeve. The utility model has the advantages of simple production and manufacture technologies, cost reduction, and easy operation for supporters.
Description
This utility model relates to the device technique field of accelerating to cure osteonecrosis of femoral head, eyelid retractor in particularly a kind of modified form hip joint.
At present, trend appears increasing in the sickness rate of ischemic necrosis of femoral head, disability rate, though implemented all polytherapies, its curative effect is still unsatisfactory.Utilize the intrinsic pressure blood circulation that improves of eyelid retractor minimizing bone cavity in the hip joint, accelerated the healing of femoral head disease, make the femoral head disease cured that reliability arranged.Chinese patent ZL97248611.9 on February 6th, 1999, has announced that a kind of name is called eyelid retractor in the grooved hip joint.Eyelid retractor is different V-arrangement adjustable supports formula fixed mount, the tapered ring captacula of the side side bar of different V-arrangement, screw mandrel vertically be provided with three-blade shape groove ring head, the ring portion of screw mandrel by the location tapered sleeve, decide that pyramid overlaps between annular groove fix; The another side movable joint fiber tube of different V-arrangement is provided with spherical groove, and the spherical groove face engages the another side that constitutes different V-arrangement with the sphere of bulb movable joint.The shortcoming of this patent is spherical active section complexity, and difficulty of processing is big.
The purpose of this utility model is the shortcoming that overcomes above-mentioned patent, and a kind of spherical joint that do not use is provided, and uses the interior eyelid retractor of improvement shape hip joint of movable joint fiber tube.
Eyelid retractor in a kind of improvement shape hip joint, it is characterized in that: this eyelid retractor is made of loose collar assembly, adjustable joint assembly, fixing head assembly three parts;
The loose collar assembly by ring captacula bar, location tapered sleeve, decide the pyramid cover, encircle the nose cone cover, the jackscrew of riding, fastening jackscrew form;
Its annulus cross section of ring captacula bar is fan-shaped, encircles a both sides inner conical surface and is complementary with deciding pyramid cover male-tapered face and encircling the inside and outside taper surface of nose cone cover with the location tapered sleeve; Screw mandrel portion is saw shape cone screw thread;
Location tapered sleeve its profile is polygon and taper surface, to being provided with round tube hole, is female thread at taper surface side end face and axis angle in the hole;
Decide pyramid and overlap the coalition that its profile is taper surface, external screw thread and three kinds of shapes of awl cambered surface, in taper surface one side external screw thread is arranged, on taper surface opposite side awl curved end with axis angle to being provided with the internal thread through hole that is complementary with round tube hole, vertical with the internal thread through hole axis on the awl arc to being provided with a hole;
Location tapered sleeve female thread is slidingly matched mutually with deciding pyramid cover external screw thread, establishing altogether a bit on the pyramid cover external screw thread side end face with deciding on the tapered sleeve polygon end face of location, attacks a hole of riding, and the jackscrew of riding is housed in the hole;
Adjustable joint assembly is made up of movable joint screw mandrel, fastening silk braid, fastening screw mandrel, U-shaped movable joint, jackscrew;
Its profile one side of movable joint screw mandrel is that bullet and U-shaped movable joint one side internal taper hole are complementary, on bullet, be provided with the arcs of recesses groove, being equipped with jackscrew round end portion heads into, opposite side is an external screw thread, and decides pyramid cover female thread and is complementary hexagonal screw socket in establish the whorl side end, be provided with female thread in interior hexagonal screw socket bottom, its female thread and fastening silk braid external screw thread coupling is established round tube hole in the cone inboard, is equipped with fastening wire rod thread portion and passes;
Its external diameter of fastening silk braid is a screw thread, internal diameter is a through hole, the one end is provided with driver opening, fastening screw mandrel one side is cylindrical, its end face is provided with driver opening, and it is cylindrical that opposite side is that external screw thread is narrower than, and external thread part passes movable joint screw mandrel through hole, be screwed in the U-shaped movable joint female thread, make the internal taper hole coupling of movable joint screw mandrel bullet and U-shaped movable joint one side;
Its profile one side of U-shaped movable joint is a cylinder, in establish bellmouth, be provided with female thread in the bellmouth deep, be complementary, a boss is arranged on cylinder with the external screw thread of fastening screw mandrel one side, in establish a hole, silk is rotary with jackscrew in the hole, withstands in the movable joint screw mandrel one side bullet arcs of recesses groove, and opposite side is the U-shaped body, be provided with cross through hole and silk hole in U-shaped portion, the movable joint axial filament passes and is screwed into fully;
The fixing head assembly is made up of knuckle rod, knuckle rod lining, movable joint axial filament, ilium fixing head, ilium fixing head lining, round pin, screw;
Its profile one side of knuckle rod is the deltiod body, at the deltiod body axis vertically to being provided with inner via hole, the U-shaped body that the knuckle rod lining is packed in the through hole with U-shaped movable joint one side again is slidingly connected, the movable joint axial filament passes the knuckle rod lining and is screwed in the U-shaped body transverse wire hole, the knuckle rod interlude is a prismatic body, opposite side is cylindrical, is provided with Baltimore groove on its cylinder, is equipped with round pin and pins;
Movable joint axial filament one side is cylindrical, is provided with the screw edge of a knife at its end face, and opposite side is an external screw thread;
The ilium fixing head is the butterfly seat board, on four arc chord angles of butterfly seat board, be provided with round tube hole, butterfly seat board face is arcs of recesses, one convex seat ridge is arranged on dish-shaped seat board, the seat keel is established round tube hole, be equipped with ilium fixing head lining and pack into, the knuckle rod opposite side is cylindrical to be refilled in the lining, and a seat keel through hole edge is provided with horizontal round tube hole.
Active section at holder partly is lined with the lining that the high molecular polyethylene material is made.
Characteristics of the present utility model are: by a large amount of clinical practices, the locking cap of movable joint fiber tube changed into decide pyramid cover and fastening jackscrew, overcome the fixing dropout of nut like this and the loosening phenomenon that causes; Change spherical movable joint into the movable joint fiber tube, make processing technique simple, reduced cost, be easier to the operation of eyelid retractor; The arc butterfly plate is more near hipbone physiology arc.Active section partly is lined with the lining that the high molecular polyethylene material is made, the chip of having avoided the rigidity break-in to produce.
Fig. 1 is the structural representation of eyelid retractor in this hip joint.
Fig. 2 is that the C of eyelid retractor in this hip joint is to view.
Fig. 3 is that the D of eyelid retractor in this hip joint is to view.
Describe embodiment in detail below in conjunction with accompanying drawing.
Eyelid retractor (see figure 1) in the improvement shape hip joint, this eyelid retractor is made of loose collar assembly, adjustable joint assembly, fixing head assembly three parts;
The loose collar assembly by ring captacula bar 1, location tapered sleeve 2, decide that pyramid cover 3, ring nose cone overlap 4, the jackscrew 5 of riding, fastening jackscrew 6 form; Ring captacula bar 1 its annulus cross section is fan-shaped, a ring both sides inner conical surface and location tapered sleeve 2 and decide pyramid overlap 3 male-tapered faces and ring nose cone cover 4 inside and outside taper surfaces be complementary; Screw mandrel portion is saw shape cone screw thread; Location tapered sleeve 2 its profiles are polygon and taper surface, to being provided with round tube hole, are female thread at taper surface side end face and axis angle in the hole; Deciding pyramid cover 3 its profiles is coalitions of taper surface, external screw thread and three kinds of shapes of awl cambered surface, in taper surface one side external screw thread is arranged, on taper surface opposite side awl curved end with axis angle to being provided with the internal thread through hole that is complementary with round tube hole, vertical to being provided with a hole with the internal thread through hole axis on the awl arc, fastening jackscrew 6 (see figure 3)s are equipped with in a silk hole; Location tapered sleeve 2 female threads with decide pyramid and overlap 3 external screw threads and be slidingly matched mutually, on the tapered sleeve 2 polygon end faces of location and decide pyramid and overlap to establish on the 3 external screw thread side end faces to have altogether and have a few, attack a hole of riding, the jackscrew 5 of riding is housed in the hole;
Adjustable joint assembly is made up of movable joint screw mandrel 7, fastening silk braid 8, fastening screw mandrel 9, U-shaped movable joint 10, jackscrew 11; Movable joint screw mandrel 7 its profile one sides are that bullet and U-shaped movable joint 10 1 side internal taper holes are complementary, on bullet, be provided with the arcs of recesses groove, being equipped with jackscrew round end portion heads into, opposite side is an external screw thread, and decides pyramid and overlaps 3 female threads and be complementary, and establishes the hexagonal screw socket in the whorl side end, be provided with female thread in interior hexagonal screw socket bottom, its female thread and fastening silk braid 8 external screw threads coupling are established round tube hole in the cone inboard, are equipped with fastening screw mandrel 9 threaded portions and pass; Fastening silk braid 8 its external diameters are screw thread, internal diameter is a through hole, one end is provided with driver opening, fastening screw mandrel 9 is cylindrical at a side end, its end face is provided with driver opening, and it is cylindrical that opposite side is that external screw thread is narrower than, and external thread part passes movable joint screw mandrel 7 through holes, be screwed in U-shaped movable joint 10 female threads, make the internal taper hole coupling of movable joint screw mandrel 7 bullets and U-shaped movable joint 10 1 sides; U-shaped movable joint 10 its profile one sides are cylinder, in establish bellmouth, be provided with female thread in the bellmouth deep, be complementary, a boss is arranged on cylinder with the external screw thread of fastening screw mandrel 9 one sides, in establish a hole, silk is rotary with jackscrew 11 in the hole, withstands in the movable joint screw mandrel one side bullet arcs of recesses groove, and opposite side is the U-shaped body, be provided with cross through hole and silk hole in U-shaped portion, the movable joint axial filament passes and is screwed into fully;
The fixing head assembly is made up of knuckle rod 12 (see figure 2)s, knuckle rod lining 13, movable joint axial filament 14, ilium fixing head 15, ilium fixing head lining 16, round pin 17, screw 18; Knuckle rod 12 its profile one sides are the deltiod body, at the deltiod body axis vertically to being provided with inner via hole, the U-shaped body that knuckle rod lining 13 is packed in the through hole with U-shaped movable joint one side again is slidingly connected, movable joint axial filament 14 passes knuckle rod lining 13 and is screwed in the U-shaped body transverse wire hole, knuckle rod 12 interludes are prismatic body, opposite side is cylindrical, is provided with Baltimore groove on its cylinder, is equipped with round pin and pins; Movable joint axial filament 14 1 sides are cylindrical, are provided with driver opening at its end face, and opposite side is an external screw thread; Ilium fixing head 15 is the butterfly seat board, on four arc chord angles of butterfly seat board, be provided with round tube hole, butterfly seat board face is arcs of recesses, one convex seat ridge is arranged on dish-shaped seat board, the seat keel is established round tube hole, be equipped with ilium fixing head lining 16 and pack into, knuckle rod 12 opposite sides are cylindrical to be refilled in the lining 16, and a seat keel through hole edge is provided with horizontal round tube hole.
Active section at holder partly is lined with the lining that the high molecular polyethylene material is made coupling.
Settle the eyelid retractor program:
1. before the art each part is disinfected, by requirement building block in its order and the art.
2. carry out preparation before the art routinely, cut the arrangement approach, be drilled in femoral trochanter point place with specific purpose tool and bore one and draw the hole, again with full dog point socket set along its hole tapping, block specific purpose tools such as a film, ratchet handle with the ring head thereupon the loose collar assembly be screwed into femoral bone cavitas medullaris.
3. determine that with the tool mode plate ilium fixing head position and screw draw the hole, choose the movable joint screw mandrel of appropriate length, unload the tool mode plate, with specific purpose tools such as elasticity bitch sleeve pipes ilium fixing head assembly is installed by its position.
4. with outer-hexagonal spanner, one or specific purpose tool such as Phillips screwdriver, being input into the movable joint screw mandrel from the oblique circular hole of location tapered sleeve end face is connected with the U-shaped movable joint, the gap that the swivel joint screw mandrel makes it acetabular bone and head reaches till the satisfaction, then that fastening screw mandrel, fastening silk braid and jackscrew etc. are fastening one by one, Movable joint think satisfied after, debridement opening, stitching.
Claims (1)
1. improve eyelid retractor in the shape hip joint for one kind, it is characterized in that: this eyelid retractor is made of loose collar assembly, adjustable joint assembly, fixing head assembly three parts;
The loose collar assembly by ring captacula bar, location tapered sleeve, decide the pyramid cover, encircle the nose cone cover, the jackscrew of riding, fastening jackscrew form;
Its annulus cross section of ring captacula bar is fan-shaped, encircles a both sides inner conical surface and is complementary with deciding pyramid cover male-tapered face and encircling the inside and outside taper surface of nose cone cover with the location tapered sleeve; Screw mandrel portion is saw shape cone screw thread;
Location tapered sleeve its profile is polygon and taper surface, to being provided with round tube hole, is female thread at taper surface side end face and axis angle in the hole;
Decide pyramid and overlap the coalition that its profile is taper surface, external screw thread and three kinds of shapes of awl cambered surface, in taper surface one side external screw thread is arranged, on taper surface opposite side awl curved end with axis angle to being provided with the internal thread through hole that is complementary with round tube hole, vertical with the internal thread through hole axis on the awl arc to being provided with a hole;
Location tapered sleeve female thread is slidingly matched mutually with deciding pyramid cover external screw thread, establishing altogether a bit on the pyramid cover external screw thread side end face with deciding on the tapered sleeve polygon end face of location, attacks a hole of riding, and the jackscrew of riding is housed in the hole;
Adjustable joint assembly is made up of movable joint screw mandrel, fastening silk braid, fastening screw mandrel, U-shaped movable joint, jackscrew;
Its profile one side of movable joint screw mandrel is that bullet and U-shaped movable joint one side internal taper hole are complementary, on bullet, be provided with the arcs of recesses groove, being equipped with jackscrew round end portion heads into, opposite side is an external screw thread, and decides pyramid cover female thread and is complementary hexagonal screw socket in establish the whorl side end, be provided with female thread in interior hexagonal screw socket bottom, its female thread and fastening silk braid external screw thread coupling is established round tube hole in the cone inboard, is equipped with fastening wire rod thread portion and passes;
Its external diameter of fastening silk braid is a screw thread, internal diameter is a through hole, the one end is provided with driver opening, fastening screw mandrel one side is cylindrical, its end face is provided with driver opening, and it is cylindrical that opposite side is that external screw thread is narrower than, and external thread part passes movable joint screw mandrel through hole, be screwed in the U-shaped movable joint female thread, make the internal taper hole coupling of movable joint screw mandrel bullet and U-shaped movable joint one side;
Its profile one side of U-shaped movable joint is a cylinder, in establish bellmouth, be provided with female thread in the bellmouth deep, be complementary, a boss is arranged on cylinder with the external screw thread of fastening screw mandrel one side, in establish a hole, silk is rotary with jackscrew in the hole, withstands in the movable joint screw mandrel one side bullet arcs of recesses groove, and opposite side is the U-shaped body, be provided with cross through hole and silk hole in U-shaped portion, the movable joint axial filament passes and is screwed into fully;
The fixing head assembly is made up of knuckle rod, knuckle rod lining, movable joint axial filament, ilium fixing head, ilium fixing head lining, round pin, screw;
Its profile one side of knuckle rod is the deltiod body, at the deltiod body axis vertically to being provided with inner via hole, the U-shaped body that the knuckle rod lining is packed in the through hole with U-shaped movable joint one side again is slidingly connected, the movable joint axial filament passes the knuckle rod lining and is screwed in the U-shaped body transverse wire hole, the knuckle rod interlude is a prismatic body, opposite side is cylindrical, is provided with Baltimore groove on its cylinder, is equipped with round pin and pins;
Movable joint axial filament one side is cylindrical, is provided with the screw edge of a knife at its end face, and opposite side is an external screw thread;
The ilium fixing head is the butterfly seat board, on four arc chord angles of butterfly seat board, be provided with round tube hole, butterfly seat board face is arcs of recesses, one convex seat ridge is arranged on dish-shaped seat board, the seat keel is established round tube hole, be equipped with ilium fixing head lining and pack into, the knuckle rod opposite side is cylindrical to be refilled in the lining, and a seat keel through hole edge is provided with horizontal round tube hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250203 CN2402278Y (en) | 1999-11-05 | 1999-11-05 | Improved internal supporter for hip joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250203 CN2402278Y (en) | 1999-11-05 | 1999-11-05 | Improved internal supporter for hip joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2402278Y true CN2402278Y (en) | 2000-10-25 |
Family
ID=34034976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99250203 Expired - Fee Related CN2402278Y (en) | 1999-11-05 | 1999-11-05 | Improved internal supporter for hip joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2402278Y (en) |
-
1999
- 1999-11-05 CN CN 99250203 patent/CN2402278Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |