CN103565501A

CN103565501A - Bone cement stirrer

Info

Publication number: CN103565501A
Application number: CN201310611993.1A
Authority: CN
Inventors: 种子毅; 余裕富; 王勇
Original assignee: GUANGZHOU JIALIN MEDICINAL ARTICLE MANUFACTURING Co Ltd
Current assignee: GUANGZHOU JIALIN MEDICINAL ARTICLE MANUFACTURING Co Ltd
Priority date: 2013-11-26
Filing date: 2013-11-26
Publication date: 2014-02-12

Abstract

The invention discloses a bone cement stirrer which comprises a stirring container, an upper cover, a rocker arm, a handle, a coupler, a supporting piece, a fixed gear, a movable gear and a stirring blade, wherein the handle is arranged at the operating end of the rocker arm, and the connecting end of the rocker arm is located on the upper cover; an inverted-T-shaped connecting piece extending outwards is arranged at the lower end of the coupler; the coupler is arranged in the middle of the inside of the upper cover in the manner that the coupler rotates around a center shaft of the upper cover, and the upper end of the coupler is connected with the connecting end of the rocker arm; the supporting piece is fixed in the upper cover and nested outside the coupler; the fixed gear and the coupler are coaxially arranged, and the fixed gear is nested on the supporting piece and located above the connecting piece of the coupler; the movable gear is located above the connecting piece and meshed with the fixed gear; and the stirring blade is located in the stirring container and below the connecting piece; and the upper end of the stirring blade is connected with the movable gear in the manner that the stirring blade rotates around a center shaft of the movable blade. The bone cement stirrer realizes omnibearing thorough stirring and has good mechanical properties and use performance.

Description

A kind of bone cement mixer

Technical field

The present invention relates to armarium technical field, relate in particular to a kind of bone cement mixer.

Background technology

Bone cement is a kind of immobilization material and fills out patching material, the unstable fracture causing for artificial joint replacement and malignant tumor.Bone cement mixer is the device for stir bone cement and adhesive.

At present, prior art bone cement mixer is normally comprised of unsealed stirring bowl and spatula.During use, bone cement is poured into together with adhesive and is stirred in bowl, then with spatula, manually bone cement and adhesive are stirred, afterwards by conveyor applications in human body.This mode exists following defect:

(1) adopt the manual stirring of spatula, inefficiency, random strong, can not accomplish comprehensive stirring to the bone cement stirring in bowl, federation exists mixes inhomogeneous position with adhesive, reduced use effect and the life-span of bone cement.

(2) bone cement and adhesive can produce tiny bubble at whipping process, and the stirring bowl of non-tight can not effectively emptying these bubbles, have affected the uniformity stirring, thus use effect and the life-span of having reduced bone cement.

(3) adhesive itself is a kind of material with penetrating odor, adopts the stirring bowl of non-tight, cannot intercept distributing of penetrating odor, thereby affect medical personnel's health and medical procedures during use.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art, a kind of bone cement mixer of realizing comprehensive stirring, having sealing and good mechanical properties and serviceability is provided, to realize thoroughly, stir, improve use effect and the life-span of bone cement, and reduce the impact on medical personnel's health and medical procedures in use procedure.

Object of the present invention is achieved by the following technical programs:

A kind of bone cement mixer provided by the invention, comprises stirred vessel, upper cover, rocker arm, handle, shaft coupling, support member, fixed gear, moving gear, stirring vane; Described handle is arranged on the operating side of rocker arm, and the link of described rocker arm is positioned at and covers; Described shaft coupling has the connector stretching laterally and is down " T " font in its lower end, described shaft coupling is being arranged on the middle part in upper cover and being connected with the link of rocker arm through its upper end around the mode of its central shaft rotation; Described support member is fixed in upper cover and is set in the outside of shaft coupling; Described fixed gear and shaft coupling coaxially arrange and be set on support member and be positioned at its connector of shaft coupling above; Described moving gear be positioned at connector above and mesh with fixed gear; Described stirring vane be positioned at stirred vessel, connector below, and by its upper end being connected with moving gear around the mode of its central shaft rotation.

Bone cement mixer of the present invention, stirring vane is connected in the connector place of shaft coupling lower end and is and is eccentrically set in stirred vessel, by shaking rocker arm, shaft coupling is rotated around its central shaft, and then drive stirring vane around shaft coupling axis (being also stirred vessel central axis), to be circumferential revolution motion in container; Meanwhile, through the engagement of moving gear and fixed gear, stirring vane carries out spinning motion in above-mentioned revolution motion, thereby realizes omnibearing stirring.

For further reducing distributing of irritative gas, between stirred vessel of the present invention and upper cover, be provided with sealing ring.

In such scheme, on of the present invention, cover and be provided with steam vent, by this steam vent, through connection tube, be connected with negtive-pressure implement with filter, with the bubble producing in emptying whipping process, the gas sucking-off of penetrating odor is drained simultaneously, thereby effectively avoid the impact of irritative gas.

The present invention has following beneficial effect:

(1) stirring vane of the present invention had both been circumferential revolution motion in stirred vessel, meanwhile also had rotation function, thereby can be comprehensive, without ground, the dead angle bone cement that thoroughly stirs, use effect and the life-span of having guaranteed bone cement application.

(2) drive mechanism of the present invention utilizes lever principle to coordinate by shaft coupling, big or small external gear revolution and the rotation that realizes stirring vane, has both improved applicable velocity of rotation, has reduced again shared spatial volume.Compactness rational in infrastructure, is convenient to manufacture and install, and stable operation, laborsaving convenience, improved service efficiency.

(3) connector of its lower end of shaft coupling of the present invention, both be convenient to the assembling of fixed gear, moving gear and stirring vane, there is baffle effect simultaneously, can intercept bone cement because stirring the granule diffusion causing, thereby reduce infringement and the loss that bone cement floating particle brings.

(4) the present invention has good sealing property, can utilize vacuum suction to form vacuum environment, the bubble that emptying bone cement and adhesive whipping process produce effectively, use effect and the life-span of having guaranteed bone cement application; Meanwhile, can effectively get rid of penetrating odor gas, thereby intercept distributing of gas, avoid the impact on medical personnel's health and medical procedures in use procedure.

Accompanying drawing explanation

Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail:

Fig. 1 is the profile schematic diagram of the embodiment of the present invention;

Fig. 2 is structural representation embodiment illustrated in fig. 1;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is use assembling schematic diagram embodiment illustrated in fig. 1.

In figure: stirred vessel 1, upper cover 2, rocker arm 3, handle 4, shaft coupling 5, connector 5a, support member 6, fixed gear 7, moving gear 8, stirring vane 9, locating

button

10,11, sealing ring 12, steam vent 13, connection tube 14, filter 15, negtive-pressure implement 16

The specific embodiment

Fig. 1～Figure 4 shows that the embodiment of a kind of bone cement mixer of the present invention, as shown in Figure 2, comprises stirred vessel 1, upper cover 2, rocker arm 3, handle 4, shaft coupling 5, support member 6, fixed gear 7, moving gear 8, stirring vane 9.

As depicted in figs. 1 and 2, handle 4 is arranged on the operating side of rocker arm 3, and the link of rocker arm 3 is positioned on upper cover 2.As shown in Figure 2, shaft coupling 5 has the connector 5a stretching laterally and is down " T " font in its lower end, shaft coupling 5 is being arranged on the middle part in upper cover 2 and being connected with the link of rocker arm 3 by locating button 10 through its upper end around the mode of its central shaft rotation.

As shown in Figure 2, support member 6 is fixed in upper cover 2 and is set in the outside of shaft coupling 5.Fixed gear 7 coaxially arrange and be set on support member 6 with shaft coupling 5 and be positioned at shaft coupling 5 its connector 5a above.Moving gear 8 be positioned at connector 5a above and with fixed gear 7 engagement (seeing Fig. 2 and Fig. 3).Stirring vane 9 be positioned at stirred vessel 1, connector 5a below, and by its upper end through locating button 11 being connected with moving gear 8 around the mode of its central shaft rotation.

As shown in Figure 2, between the present embodiment stirred vessel 1 and upper cover 2, be provided with sealing ring 12.On upper cover 2, be provided with steam vent 13(and see Fig. 1), as shown in Figure 4, during use, by this steam vent 13, through connection tube 14, be connected with negtive-pressure implement 16 with filter 15, with the bubble producing in emptying whipping process, the gas sucking-off of penetrating odor is drained simultaneously.

The present embodiment operation principle is as follows:

Cover upper cover 2, stirred vessel 1 bottom surface is steadily placed on platform, take stirred vessel 1 center is axis, with hands circumference swinging handle 4, drives rocker arm 3 to rotate around stirred vessel 1 central axis together with shaft coupling 5.Due to moving gear 8 with stirring vane 9 integral installations on shaft coupling 5, so moving gear 8 rotates around stirred vessel 1 central axis with shaft coupling 5 with stirring vane 9 integral body, thereby realizes the circumferential revolution of stirring vane 9.Meanwhile, by the engagement of the fixed gear 7 on moving gear 8 and support member 6, moving gear 8 rotatablely moved around the central axis of self with the whole while of stirring vane 9, thereby realized the rotation of stirring vane 9.Therefore, the existing revolution that is axis around stirred vessel 1 center of stirring vane 9 itself, also has the rotation around the central axis of self, thus reach comprehensive, without the thorough stirring at dead angle.

As shown in Figure 4, by steam vent 13, through connection tube 14, be connected with negtive-pressure implement 16 with filter 15, open the negtive-pressure implement 16 formation vacuum of can bleeding, the bubble producing in emptying whipping process is drained the gas sucking-off of penetrating odor simultaneously.Filter 15 can filter and intercept the bone cement floating particle that may kick up in whipping process, to avoid being adsorbed in negtive-pressure implement 16 and destruction equipment.

Claims

1. a bone cement mixer, is characterized in that: comprise stirred vessel (1), upper cover (2), rocker arm (3), handle (4), shaft coupling (5), support member (6), fixed gear (7), moving gear (8), stirring vane (9); Described handle (4) is arranged on the operating side of rocker arm (3), and the link of described rocker arm (3) is positioned on upper cover (2); Described shaft coupling (5) has the connector (5a) stretching laterally and is down " T " font in its lower end, described shaft coupling (5) is being arranged on the middle part in upper cover (2) and being connected with the link of rocker arm (3) through its upper end around the mode of its central shaft rotation; Described support member (6) is fixed in upper cover (2) and is set in the outside of shaft coupling (5); Described fixed gear (7) and shaft coupling (5) coaxially arrange and be set in support member (6) upper and be positioned at its connector of shaft coupling (5) (5a) above; Described moving gear (8) be positioned at connector (5a) above and mesh with fixed gear (7); Described stirring vane (9) be positioned at stirred vessel (1), connector (5a) below, and by its upper end being connected with moving gear (8) around the mode of its central shaft rotation.

2. bone cement mixer according to claim 1, is characterized in that: between described stirred vessel (1) and upper cover (2), be provided with sealing ring (12).

3. bone cement mixer according to claim 2, is characterized in that: on described upper cover (2), be provided with steam vent (13).