CN220794068U - Symmetry measuring device for artificial hip joint handle - Google Patents

Abstract

The utility model provides an artificial hip joint handle symmetry measuring device, and relates to the technical field of hip joint handle measuring devices. The symmetry measuring device of the artificial hip joint handle comprises a machine body, a rotating device, a clamp, a measurer positioning device and an air pump; the rotating device is arranged on the machine body, and the clamp is arranged on the rotating device; the measurer is arranged on the measurer positioning device; the measurer positioning device is arranged on the machine body and is used for adjusting the position of the measurer in space; the air pump is connected with the clamp and used for providing power for the clamp. The symmetry measuring device for the artificial hip joint handle solves the technical problem that the traditional three-dimensional coordinate measuring machine is high in detection cost for the artificial hip joint handle.

Description

Symmetry measuring device for artificial hip joint handle

Technical Field

The utility model belongs to the technical field of hip joint handle measuring devices, and particularly relates to an artificial hip joint handle symmetry measuring device.

Background

The artificial hip joint handle is a substitute for being placed into bone marrow cavity of human body when bone replacement operation is needed for human hip joint lesion.

The hip joint handle measuring device is a device for measuring the relevant dimension of the artificial hip joint handle and comprises a vernier caliper, a percentage scale, a three-dimensional coordinate measuring machine and the like.

The artificial hip joint handle is a product used in a human body, and has high requirement on the symmetry degree of the artificial hip joint handle so as to ensure the safety and comfort of the use of a patient, so that the symmetry degree of the artificial hip joint handle needs to be measured. The existing three-dimensional coordinate measuring machine for measuring the symmetry of the artificial hip joint handle is high in price, and high in temperature and humidity requirements on the use environment and needs to be detected by professionals, so that the symmetry of the artificial hip joint handle is detected, and the detection is carried out by a detection mechanism, so that the detection cost is high. Therefore, there is a need to develop an artificial hip stem symmetry measuring device to solve the above-mentioned problems.

The present inventors have found at least the following problems in the implementation of the present embodiment:

The traditional three-dimensional coordinate measuring machine has higher detection cost for the artificial hip joint handle.

Disclosure of utility model

The utility model aims to provide an artificial hip joint handle symmetry measuring device, which aims to solve the technical problems of high detection cost of the artificial hip joint handle caused by the traditional three-dimensional coordinate measuring machine in the prior art.

The utility model adopts the scheme that:

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is an artificial hip joint stem symmetry measuring device, comprising: the device comprises a machine body, a rotating device, a clamp, a measurer positioning device and an air pump; the rotating device is arranged on the machine body, and the clamp is arranged on the rotating device; the measurer is arranged on the measurer positioning device; the measurer positioning device is arranged on the machine body and is used for adjusting the position of the measurer in space; the air pump is connected with the clamp and used for providing power for the clamp.

Further, the machine body comprises a bottom plate and side plates; the bottom plate is connected with the side plate and is vertical to the side plate; the measurer positioning device is connected with the bottom plate; the rotating device is connected with the side plate.

Further, the rotating device comprises a bearing, a rotating shaft, a mechanical hand wheel, a first bearing gland, a second bearing gland and a connecting plate; the bearing is arranged on the side plate; the first bearing gland is arranged on one side of the side plate and abuts against the bearing; the second bearing cover is arranged on the other side of the side plate and abuts against the bearing; the rotating shaft penetrates through the first bearing gland, the bearing and the second bearing gland; one end of the rotating shaft is connected with the mechanical hand wheel, and the other end of the rotating shaft is connected with the connecting plate.

Further, the clamp comprises a first clamp block and a second clamp block; the first clamp block is movably connected to the connecting plate, and the second clamp block is movably connected to the connecting plate; the air pump pipeline is connected with the control valve; the control valve is connected with the first clamp block and the second clamp block respectively.

Further, the measurer positioning device comprises a guide rail, a sliding block, a vertical rod and a rotating rod; the guide rail is fixedly arranged on the bottom plate; the sliding block is movably arranged on the guide rail; the upright rod is fixedly arranged on the sliding block; the rotating rod is movably arranged on the vertical rod; the measurer is mounted on the rotating rod.

Further, the sliding block is provided with a first limiter for limiting the position of the sliding block on the guide rail; the rotating rod is connected with a second limiter and is used for limiting the rotating angle of the rotating rod relative to the vertical rod.

Further, the first clamp block is provided with a first mounting groove, and the second clamp block is provided with a second mounting groove.

Further, the measurer adopts a percentage rule.

The beneficial effects are that: when the artificial hip bone stem is used, the clamp is vertically placed, the air pump is started, power is provided for the clamp, the artificial hip bone stem is clamped, the air pump is positioned to a proper position through the movable measurer positioning device, one side of the artificial hip bone stem is measured, a first numerical value is recorded, the rotating device rotates 180 degrees, the clamp rotates 180 degrees, the artificial hip bone stem rotates 180 degrees, the measurement is performed by the measurer, a second measurement numerical value is recorded, the symmetry deviation is obtained through comparison of the first numerical value and the second numerical value, and then correction is performed. Compared with the three-dimensional coordinate measuring machine, the method has the advantages that the cost for detecting the artificial hip joint handle is low, meanwhile, the operation is simple, manual training is not needed, and workers can operate the artificial hip joint handle.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an artificial hip joint stem symmetry measuring device according to the present embodiment;

Fig. 2 is a cross-sectional view of the rotating device according to the present embodiment.

Icon:

100-organism; 110-a bottom plate; 120-side plates;

200-rotating device; 210-a bearing; 220-rotating shaft; 230-a mechanical hand wheel; 240-a first bearing gland; 250-a second bearing cap; 260-connecting plates;

300-clamping; 310-a first clamp block; 311-a first mounting groove; 320-a second clamp block; 321-a second mounting groove;

400-measuring device;

500-measurer positioning device; 510—a guide rail; 520-slide block; 530-standing the pole; 540-rotating the rod; 550-a first limiter; 560-a second stop;

600-an air pump; 610-control valve.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the described embodiments are only some, but not all, embodiments of the present utility model, and that the specific embodiments described herein are intended to be illustrative of the present utility model and not limiting. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.

When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "inner" and "outer" refer to the inner and outer relative to the outline of each component itself, and the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the orientation or positional relationship as shown based on the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways and the spatially relative descriptions used herein are construed accordingly.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 and 2, a first embodiment of the present utility model provides an artificial hip joint stem symmetry measuring device, which comprises a machine body 100, a rotating device 200, a clamp 300, a measurer 400, a measurer positioning device 500 and an air pump 600; the rotating device 200 is mounted on the machine body 100, and the clamp 300 is mounted on the rotating device 200; the measurer 400 is mounted on the measurer positioning device 500; the measuring device positioning device 500 is mounted on the machine body 100 and is used for adjusting the spatial position of the measuring device 400; the air pump 600 is connected to the jig 300 for powering the jig 300.

Specifically, the machine body 100 is used for supporting the rotating device 200 and the measurer positioning device 500; the rotating device 200 is used for rotating the clamp 300 to enable the clamp 300 to rotate to a proper position; the fixture 300 is used to tighten the artificial hip joint stem; the fixture 300 is used to clamp the artificial hip joint stem; the measurer positioning device 500 is used for positioning the measurer 400 to a proper position; the air pump 600 is used to power the clamp 300. When the artificial hip joint stem fixing device is used, the fixture 300 is vertically placed on the artificial hip joint stem, the air pump 600 is started, power is provided for the fixture 300, the artificial hip joint stem is clamped, the air pump 600 is positioned to a proper position through the mobile measurer positioning device 500, one side of the artificial hip joint stem is measured, a first numerical value is recorded, the rotating device 200 is rotated 180 degrees, the fixture 300 is rotated 180 degrees, the artificial hip joint stem is rotated 180 degrees, the other side of the artificial hip joint stem is measured through the measurer 400, a second measured numerical value is recorded, the symmetry deviation is obtained through comparison of the first numerical value and the second numerical value, and then correction is performed.

In this embodiment, the machine body 100 includes a bottom plate 110 and a side plate 120; the bottom plate 110 is connected with the side plate 120, and the bottom plate 110 is perpendicular to the side plate 120; the measurer positioning device 500 is connected with the bottom plate 110; the turning device 200 is connected to the side plate 120.

Specifically, the bottom plate 110 is perpendicular to the side plate 120, and can travel two mutually perpendicular working surfaces, so that the rotation device 200 can conveniently rotate the clamp 300, and the measurer positioning device 500 can conveniently move the measurer 400 to measure the artificial hip joint handle.

In this embodiment, the rotating device 200 includes a bearing 210, a rotating shaft 220, a mechanical hand wheel 230, a first bearing cover 240, a second bearing cover 250, and a connecting plate 260; the bearing 210 is mounted to the side plate 120; the first bearing cover 240 is installed at one side of the side plate 120 and abuts against the bearing 210; the second bearing cap 250 is installed at the other side of the side plate 120 and abuts against the bearing 210; the rotating shaft 220 penetrates through the first bearing gland 240, the bearing 210 and the second bearing gland 250; one end of the rotating shaft 220 is connected with the mechanical hand wheel 230, and the other end is connected with the connecting plate 260.

Specifically, the first bearing cover 240 and the second bearing cover 250 limit the bearing 210 to the inside of the side plate 120, so that the bearing 210 is prevented from shaking, and when the mechanical hand wheel 230 is rotated, the rotating shaft 220 and the connecting plate 260 move more stably, so that the measurement accuracy of the artificial hip joint handle is ensured.

In this embodiment, the clamp 300 includes a first clamp block 310 and a second clamp block 320; the first clamp block 310 is movably connected to the connection plate 260, and the second clamp 300 is movably connected to the connection plate 260; the air pump 600 is connected with a control valve 610 through a pipeline; the control valve 610 is connected to the first and second clamp blocks 310 and 320, respectively.

Specifically, the control valve 610 is used to control the start and stop of the clamp 300, and the air pump 600 supplies the same power to the first clamp block 310 and the second clamp block 320 through the control valve 610, so that the first clamp block 310 and the second clamp block 320 can be ensured to move simultaneously.

In this embodiment, the gauge positioning apparatus 500 includes a guide rail 510, a slider 520, a vertical rod 530, and a rotating rod 540; the guide rail 510 is fixedly installed on the bottom plate 110; the sliding block 520 is movably arranged on the guide rail 510; the upright 530 is fixedly mounted on the slider 520; the rotating rod 540 is movably installed on the vertical rod 530; the measurer 400 is mounted to the rotating lever 540.

Specifically, the sliding block 520 is configured to adjust the horizontal position of the measuring instrument 400, the rotating rod 540 is configured to be adjustable on the upright rod 530, so as to adjust the vertical position of the measuring instrument 400, and the rotating rod 540 can fine-tune the position of the measuring instrument 400.

In this embodiment, the slider 520 is mounted with a first stopper 550 for limiting the position of the slider 520 on the guide rail 510; a second stopper 560 is connected to the rotating rod 540 for limiting the rotation angle of the rotating rod 540 with respect to the vertical rod 530.

Specifically, after the measuring device 400 is spatially adjusted, the first stopper 550 defines the position of the slider 520 on the sliding rail, and the second stopper 560 defines the position of the rotating rod 540 on the upright 530, so as to enhance the stability of the measurement of the measuring device 400.

In this embodiment, the first clamp block 310 is provided with a first mounting groove 311, and the second clamp block 320 is provided with a second mounting groove 321.

Specifically, the first mounting groove 311 and the second mounting groove 321 are arranged to ensure that the fixture 300 and the artificial hip joint handle are attached more tightly, and the measurement accuracy of the symmetry degree of the artificial hip joint handle is increased.

In this embodiment, the measuring device 400 uses a percentage scale.

Specifically, the measurement accuracy of the percentile can meet the measurement accuracy of the symmetry degree of the artificial hip joint handle, and a micrometer with higher cost is not needed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Claims (8)

1. The symmetry measuring device of the artificial hip joint handle is characterized by comprising a machine body (100), a rotating device (200), a clamp (300), a measurer (400), a measurer positioning device (500) and an air pump (600);

the rotating device (200) is mounted on the machine body (100), and the clamp (300) is mounted on the rotating device (200);

The measurer (400) is mounted on the measurer positioning device (500);

The measurer positioning device (500) is mounted on the machine body (100) and is used for adjusting the position of the measurer (400) in space;

The air pump (600) is connected with the clamp (300) and is used for providing power for the clamp (300).

2. The artificial hip stem symmetry measuring device according to claim 1, wherein the body (100) comprises a bottom plate (110) and side plates (120);

The bottom plate (110) is connected with the side plate (120), and the bottom plate (110) is perpendicular to the side plate (120);

the measurer positioning device (500) is connected with the bottom plate (110);

the rotating device (200) is connected with the side plate (120).

3. The artificial hip stem symmetry measuring device according to claim 2, wherein the rotating device (200) comprises a bearing (210), a rotating shaft (220), a mechanical hand wheel (230), a first bearing cover (240), a second bearing cover (250) and a connecting plate (260);

the bearing (210) is mounted to the side plate (120);

the first bearing gland (240) is mounted on one side of the side plate (120) and abuts against the bearing (210);

the second bearing cap (250) is mounted on the other side of the side plate (120) and abuts against the bearing (210);

the rotating shaft (220) penetrates through the first bearing gland (240), the bearing (210) and the second bearing gland (250);

one end of the rotating shaft (220) is connected with the mechanical hand wheel (230), and the other end of the rotating shaft is connected with the connecting plate (260).

4. A device for measuring symmetry of an artificial hip stem according to claim 3, wherein the clamp (300) comprises a first clamp block (310) and a second clamp block (320);

-said first clamp block (310) being movably connected to said connection plate (260), said second clamp (300) being movably connected to said connection plate (260);

The air pump (600) is connected with a control valve (610) through a pipeline;

the control valve (610) is connected to the first clamp block (310) and the second clamp block (320), respectively.

5. The artificial hip stem symmetry measuring device according to claim 4, wherein the measurer positioning means (500) comprises a guide rail (510), a slider (520), a vertical rod (530) and a rotating rod (540);

The guide rail (510) is fixedly arranged on the bottom plate (110);

the sliding block (520) is movably arranged on the guide rail (510);

The vertical rod (530) is fixedly arranged on the sliding block (520);

the rotating rod (540) is movably arranged on the vertical rod (530);

the measuring device (400) is mounted on the rotating rod (540).

6. An artificial hip stem symmetry measuring device according to claim 5, characterised in that the slider (520) is fitted with a first stop (550) for limiting the position of the slider (520) on the guide rail (510);

The rotating rod (540) is connected with a second limiter (560) for limiting the rotating angle of the rotating rod (540) relative to the vertical rod (530).

7. The device for measuring the symmetry of an artificial hip joint stem according to claim 6, wherein the first clamp block (310) is provided with a first mounting groove (311), and the second clamp block (320) is provided with a second mounting groove (321).

8. An artificial hip stem symmetry measuring device according to claim 7, wherein the measuring means (400) is a percentile.