CN1187024C

CN1187024C - Buckle with femur neck protection means

Info

Publication number: CN1187024C
Application number: CN 03150446
Authority: CN
Inventors: 钱毅维
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-19
Filing date: 2003-08-19
Publication date: 2005-02-02
Anticipated expiration: 2023-08-19
Also published as: CN1513423A

Abstract

The present invention provides a champagne buckle for installing a femur neck protection device, which comprises a fixed seat, wherein more than one holders respectively extending towards both sides are embedded at the periphery of the fixed seat; the holders are respectively provided with more than one movable connecting pieces near the fixed seat; the connecting pieces can gather inwards or extend outwards along with the rotation of the fixed seat, and therefore, the holders clamp inwards or expand outwards along with the connecting pieces; the holders expand to a proper angle according to the diameter of the femur; the holders easily clamp on femur necks with different diameters when the fixed seat rotates to press on the femur necks; after a positioning probe penetrates through a guide member to search for the correct center of a femur neck, a drill bit penetrates in the guide member, and therefore, holes can be easily drilled in positions specified by the positioning probe on the femur and the neck.

Description

The champagne button of neck of femur protector is installed

Technical field

The present invention relates to a kind of assembly that the neck of femur protector is installed; relate in particular to a kind of position probe can being pierced in the center of femoral head and neck; thereby can be smoothly and the champagne button of peace neck of femur protector correctly is installed, in the hope of shortening operating time, and lower patient's pain.

Background technology

At present, for the processing mode of hip joint disease, generally be that saw is cut at the neck of femur place is smooth, and then with artificial hip joint handle implanted femur pulp cavity.But existing operation device is except existing fixing the coating the unsettled shortcoming, more because the blood vessel and the callus that newly grow can't effectively coat the artificial hip joint handle, thereby cause the artificial hip joint handle can't be fully and femur be combined into one, and then cause femur and artificial hip joint handle to meet with stresses shield and produce all inevitable complication, on practicality, have a greatly reduced quality, increase patient's misery.Above many disadvantages is perplexing medical dealer and patient for a long time always.

In order to address the aforementioned drawbacks; so the neck of femur protector occurred; it is provided with the sleeve that is hollow form in; be provided with in this sleeve and run through telescopic bolt; like this; not only can make sleeve firmly be fixed on the neck of femur securely; and can protect that this neck of femur is unlikely to come to harm; but because this device in use; must cut into the shape that matches with this sleeve by operation by first femoral head with injured damage; make sleeve just can be linked in this on the neck of femur after the cutting, and this sleeve flange can be fitted tightly on femoral surface, by bolt sleeve is locked together on the neck of femur again.And present general mounting means all is the sharpening by scalpel and operation usefulness, and relies on the experience of implementing operative doctor, and neck of femur is slowly cut into required shape.Like this, not only required operating time is long, and can't accurately neck of femur be cut into required size, more may increase patient's misery in operation process.

Summary of the invention

Technical problem to be solved by this invention provides a kind of champagne button that is used to install the neck of femur protector; it can pierce position probe in the center of femoral head and neck; thereby neck of femur is ground to form required shape, the doctor who implements operation can easily the neck of femur protector be installed on this neck of femur.

In order to solve the problems of the technologies described above, the present invention has adopted following technical proposals: a kind of champagne button that the neck of femur protector is installed is provided, it includes: a holder, this holder comprises the fit portion that is hollow in, be equipped with an extension in this fit portion, be hollow in this extension and be connected with fit portion; One embedding seat, it is screwed on the extension of described holder; More than one holder, its extension are rabbeted on described embedding seat and are relative shape; More than one connector, it is articulated in the end of described holder near the embedding seat, and the other end of these some connectors then is articulated on the described holder; When described holder rotated, connector can along with the lifting of holder, and outwards be upheld or inwardly closing under holder drives, make holder thereupon inwardly folder by or expand outwardly.

Further, be coated with a guiding element in the described holder, be used for location and guiding probe.

Again further, described holder is provided with Movable joint at the end away from holder, is pivoted with holder in this Movable joint, so not only can increase the flexibility ratio of holder, and the folder that can make holder pass through holder leans on, and leans against on the neck of femur and can firmly press from both sides, unlikely rocking.

During use; straight Trail according to neck of femur; holder is rotated; the connector of holder both sides is moved thereupon; outwards stretch expansion gradually by original collapse state; make holder after outwards being flared to the angle of the straight Trail that just can hold neck of femur under being supported by of connector; like this; holder is pressed against on the neck of femur; simultaneously; holder does not press from both sides with an end of holder interlocking yet and leans against on the neck of femur; and after reaching Primary Location; pass with position probe again and after guiding element is sought correct neck of femur center drill bit is set in the guiding element; after boring on the femoral head of position probe assigned address; champagne is taken off down; positioning piece is set in the described hole; and with one " mould bone object " be set on keeper earlier after; be linked on the femoral head again; to make " mould bone object " when grinding; can remain on certain center unlikely skew by the positioning action of keeper; thereby neck of femur can be ground to form required shape, the people who implements operation can be installed in the neck of femur protector on this neck of femur easily.

Description of drawings

Fig. 1 is the axonometric chart that the champagne button of neck of femur protector is installed.

Fig. 2 is the cross-sectional schematic that the champagne button of neck of femur protector is installed.

Fig. 3 is that the champagne button of installation neck of femur protector is fixed on the sketch map on the neck of femur.

Fig. 4 installs the position probe of champagne button of neck of femur protector and drill bit to enter sketch map in the neck of femur.

Fig. 5 is the sketch map that the champagne button of installation neck of femur protector leaves neck of femur.

The label of main parts size among the figure illustrates:

Holder 10

Fit portion 11

Extension 12

Fan portion 13

Embedding seat 20

Guiding element 30

Flange 31

Holder 40

Movable joint 41

Holder 42

Connector 50

Position probe 60

The specific embodiment

As Fig. 1; shown in 2; champagne button of the present invention is used to install the assembly of neck of femur protector; comprise: a holder 10; this holder 10 comprises a fit portion 11; described in the present embodiment fit portion 11 one is funnelform hollow cylinder; this fit portion 11 can be equipped with the extension 12 that is hollow at the end to internal condensation; described in the present embodiment extension is a hollow lever; these extension 12 surfaces are provided with screw thread; and this extension 12 is screwed in the embedding seat 20 by screw thread; again; the end that this extension 12 is not connected with fit portion 11 is provided with a fan portion 13; and be coated with the guiding element 30 that is hollow form in this extension 12; this guiding element 30 is a hollow tube body in the present embodiment, and an end of this guiding element 30 is provided with the internal diameter flange 31 bigger than extension 12 internal diameters, so that guiding element 30 is when being set in the extension 12; can rely on the retaining of flange 31 to lean on unlikely dropping in the extension 12.

In addition, the both sides of this embedding seat 20 are embedded with the holder 40 that is arc-curved shape and bends inwards respectively, described in the present embodiment holder 40 is one to be the body of rod of arc-curved shape, this two holder 40 is respectively equipped with a Movable joint 41 (as shown in Figure 2) at the end away from embedding seat 20, be articulated with a holder 42 in this two Movable joint 41 respectively, described in the present embodiment holder is one to be＜clip of type.During use,, therefore can adjust the direction of holder 42, holder 42 can be pressed from both sides really lean against (as shown in Figure 3) on the femur because Movable joint 41 can be rotated flexibly.

Moreover, this two holder 40 is being pivoted with a connection piece 50 respectively near embedding seat 20 places, these two connectors, 50 other ends then are articulated in the fit portion 11 of holder 10, when holder 10 rotates, connector 50 can be under holder 10 drives, along with holder 10 liftings, and outwards uphold or inwardly closing, and the inside thereupon folder of drive holder 40 leans on or expands outwardly, like this, can make the straight Trail size of holder 40, and adjust its open angle with neck of femur, and then folder leans against on the neck of femur of different straight Trail sizes easily, so the present invention can use on the neck of femur of different sizes.

During use, please refer to Fig. 1,2,3,4, shown in 5: elder generation is in the mode of range estimation, to hold in fan portion 13, holder 10 is upwards rotated, make with the connector 50 of its pivot joint and outwards uphold thereupon, holder 40 was outwards opened under the supporting of connector 50, hold wherein until the neck of femur that the desire folder can be leaned on, again holder 10 is rotated to the femoral head direction, the fit portion 11 of holder 10 is pressed against on the femoral head, and when holder 10 is pressed against on the femoral head, 40 of holders inwardly contract gradually under the drive of connector 50 and lean on, thereby folder leans against on the capital appropriate location, like this, just holder 10 can be fixed on the femoral head.After holder 10 is fixed in and makes Primary Location on the femoral head; after one location probe 60 can being passed guiding element 20 and seeks the correct center of neck of femur; the drill bit (not shown) is linked in position probe 60 peripheries; after boring on the femoral head of position probe 60 appointed positions; assembly of the present invention is taken off (as shown in Figure 5); positioning piece is worn wherein; and with one " mould bone object " be set on keeper earlier after; be linked on the femoral head again; to make " moulding bone object " when grinding; can be by the positioning action of keeper; remain on certain center; unlikely skew, and neck of femur can be ground to form required shape, the people who implements operation can be installed in the neck of femur protector on this neck of femur easily.

Certainly, the present invention is not limited to above-mentioned embodiment, and for example, described holder and connector all can be more than one, and the known technology conversion of all those skilled in that art all drops in protection scope of the present invention.

Claims

1, a kind of champagne button that the neck of femur protector is installed, it includes:

One holder, this holder comprise the fit portion that is hollow in, are equipped with an extension in this fit portion, are hollow in this extension and are connected with fit portion;

One embedding seat, it is screwed on the extension of described holder;

More than one holder, its extension are rabbeted on described embedding seat and are relative shape;

More than one connector, it is articulated in the end of described holder near the embedding seat, and the other end of these some connectors then is articulated on the described holder;

When described holder rotated, connector can along with the lifting of holder, and outwards be upheld or inwardly closing under holder drives, make holder thereupon inwardly folder by or expand outwardly.

2, the champagne button of installation neck of femur protector according to claim 1 is characterized in that, described holder is respectively equipped with the Movable joint that can rotate flexibly on away from one of embedding seat end.

3, the champagne button of installation neck of femur protector according to claim 2 is characterized in that, articulates one in the described Movable joint respectively and can press from both sides the holder that leans against on the capital appropriate location.

4, the champagne button of installation neck of femur protector according to claim 3 is characterized in that, described holder is one to be the clip of ㄑ type.

5, the champagne button of installation neck of femur protector according to claim 1 is characterized in that, is coated with the guiding element that is used for orientation direction of a hollow in the extension of described holder.

6, the champagne button of installation neck of femur protector according to claim 5 is characterized in that, described guiding element one end is provided with the flange of an internal diameter greater than the extension internal diameter.