CN213310227U

CN213310227U - Bone cement loading attachment of rotatable pressurization

Info

Publication number: CN213310227U
Application number: CN202021331455.9U
Authority: CN
Inventors: 王健; 韩帅; 张峰; 任东林; 宋鑫
Original assignee: Shanghai Pudong New Area Peoples Hospital
Current assignee: Shanghai Pudong New Area Peoples Hospital
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-06-01
Anticipated expiration: 2030-07-08

Abstract

The utility model provides a bone cement loading attachment of rotatable pressurization belongs to medical instrument technical field. The rotatable pressurized bone cement loading device comprises a loading pipe, a stirring mechanism and a pressurizing air bag. The loading pipe comprises a pipe body, a discharge port and a discharge pipe fitting, the discharge port is communicated and fixed at the end part of the pipe body, the stirring mechanism comprises a cavity, an external threaded pipe, a motor and a connecting assembly, the external threaded pipe is fixed at one side of the cavity, the external threaded pipe is screwed at the end part of the pipe body, the end part of a motor output shaft is fixed with a shaft rod, the connecting assembly is installed on the outer surface of the shaft rod, the outer surface of the connecting assembly is fixed with stirring blades, and the pressurizing air bag is communicated and fixed in the cavity. The utility model discloses can conveniently stir bone cement, the time that extension bone cement solidifies just can prolong the time that bone cement used simultaneously, has reduced the waste of bone cement material.

Description

Bone cement loading attachment of rotatable pressurization

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a rotatable pressurized bone cement loading attachment.

Background

Bone cement is a common name of bone cement, is a medical material used for orthopedic surgery, and has a popular name due to partial physical properties and appearance and properties after solidification rather like white cement for building and decoration.

At present, the existing bone cement loading device can not be used in time, so that the bone cement is easy to solidify, the loading is difficult, the time and the labor are wasted, and the bone cement material is wasted.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a bone cement loading attachment of rotatable pressurization aims at improving bone cement loading attachment, if can not in time use, leads to bone cement to take place to solidify easily, is difficult to load and wastes time and energy, extravagant bone cement material's problem.

The utility model discloses a realize like this:

the utility model provides a rotatable pressurized bone cement loading attachment, including loading pipe, rabbling mechanism and pressurization gasbag.

The loading pipe comprises a pipe body, a discharge port and a discharge pipe fitting, the discharge port is communicated and fixed at the end part of the pipe body, the discharge pipe fitting is installed on the outer surface of the discharge port, the stirring mechanism comprises a cavity, an external threaded pipe, a motor and a connecting assembly, the external threaded pipe is fixed at one side of the cavity, the external threaded pipe is screwed at the end part of the pipe body, the motor is installed inside the cavity, the end part of a motor output shaft is fixed with a shaft rod, the shaft rod penetrates through the cavity and extends to the inside of the pipe body, the connecting assembly is installed on the outer surface of the shaft rod, the outer surface of the connecting assembly is fixed with stirring blades, and the pressurizing air bag is communicated and fixed.

In an embodiment of the present invention, a groove is formed on an inner surface of the tube body, and an annular protrusion is fixed on a surface of the groove.

The utility model discloses an in one embodiment, the external screw thread pipe spiro union be in the internal surface of draw-in groove, the tip of external screw thread pipe is seted up flutedly, the inside of recess is fixed with sealed the pad, annular lug with sealed pad is hugged closely.

The utility model discloses an in one embodiment, ejection of compact pipe fitting includes internal thread cover and discharging pipe, discharging pipe integrated into one piece in the tip of internal thread cover, internal thread cover spiro union is in the surface of discharge gate.

In an embodiment of the present invention, the outer surface of the discharge port is provided with an external thread structure matching with the internal thread sleeve.

In an embodiment of the present invention, the outer surface of the motor is fixed with a connecting plate, a first fixing member is penetrated inside the connecting plate, and the first fixing member is screwed into the inside of the cavity.

In an embodiment of the present invention, the connecting assembly includes a sleeve and a second fixing member, the sleeve is sleeved on the outer surface of the shaft rod, the second fixing member is threaded through the sleeve, the second fixing member is screwed into the shaft rod, and the stirring blade is fixed on the outer surface of the sleeve.

In an embodiment of the present invention, the sleeves are distributed at equal intervals.

In an embodiment of the present invention, the shaft rod is provided with a threaded hole matching with the second fixing member.

The utility model discloses an in one embodiment, pressurization gasbag includes cyst chamber, gas-supply pipe and check valve, the one end of gas-supply pipe with the cyst chamber intercommunication is fixed, the check valve is installed the surface of gas-supply pipe, the check valve is located the one side that is close to the cyst chamber, the other end of gas-supply pipe with the cavity intercommunication is fixed.

The utility model has the advantages that: the utility model discloses a rotatable pressor bone cement loading attachment that above-mentioned design obtained, during the use, the bone cement of packing into in the inside of body, then insert the inside of body with the axostylus axostyle, inside the one end with external screw thread pipe spiro union body, then pressurize the inside of body through the pressurization gasbag, the bone cement raw materials will be exported like this, after bone cement can not in time use up, it is rotatory to drive the axostylus axostyle through motor work, just can drive stirring vane under coupling assembling's effect like this and rotate, thereby stir the inside bone cement of body, the time that extension bone cement solidifies, just can prolong the time that bone cement used simultaneously, the waste of bone cement material has been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a first perspective structure of a rotatable pressurized bone cement loading device according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a rotatable pressurized bone cement loading device according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a connecting assembly of a rotatable pressurized bone cement loading device according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 100-loading tube; 110-a tube body; 111-card slot; 112-annular projection; 120-a discharge hole; 130-a discharge pipe; 131-an internal thread sleeve; 132-a discharge pipe; 200-a stirring mechanism; 210-a cavity; 220-external thread pipe; 221-grooves; 222-a seal gasket; 230-a motor; 231-a connecting plate; 232-a first fixing member; 240-shaft rod; 250-a connecting assembly; 251-a sleeve; 252-a second fixture; 260-stirring blades; 300-pressurizing the air bag; 310-a capsule cavity; 320-gas delivery pipe; 330-one-way valve.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a rotatable pressurized bone cement loading device includes a loading tube 100, a stirring mechanism 200, and a pressurizing balloon 300.

The stirring mechanism 200 is installed at one side of the loading tube 100 for stirring the raw material inside the loading tube 100, and the pressurizing air bag 300 is installed at one side of the stirring mechanism 200 for pressurizing the inside of the loading tube 100 to facilitate the outflow of the raw material.

Referring to fig. 1, 2 and 4, the loading tube 100 includes a tube body 110, a discharge port 120 and a discharge pipe 130, the discharge port 120 is connected and fixed to an end of the tube body 110, and the discharge pipe 130 is installed on an outer surface of the discharge port 120.

The inner surface of the pipe body 110 is provided with a clamping groove 111, the surface of the clamping groove 111 is fixed with an annular bump 112, the external threaded pipe 220 is screwed on the inner surface of the clamping groove 111, the end part of the external threaded pipe 220 is provided with a groove 221, a sealing gasket 222 is fixed inside the groove 221, the annular bump 112 is tightly attached to the sealing gasket 222, and through the arrangement of the annular bump 112, the groove 221 and the sealing gasket 222, after the external threaded pipe 220 is screwed inside the clamping groove 111, the annular bump 112 and the sealing gasket 222 are extruded, so that the sealing between the pipe body 110 and the cavity 210 is facilitated.

The discharge pipe fitting 130 comprises an internal thread sleeve 131 and a discharge pipe 132, the discharge pipe 132 is integrally formed at the end of the internal thread sleeve 131, and the internal thread sleeve 131 is screwed on the outer surface of the discharge port 120; the outer surface of the discharge port 120 is provided with an external thread structure matched with the internal thread sleeve 131, so that the raw material can be conveniently conveyed, and meanwhile, the discharge pipe fitting 130 can be conveniently disassembled, assembled and replaced.

Referring to fig. 1 to 3, the stirring mechanism 200 includes a cavity 210, an external threaded pipe 220, a motor 230, and a connecting assembly 250, wherein the external threaded pipe 220 is fixed to one side of the cavity 210, the external threaded pipe 220 is screwed to an end of the tube 110, the motor 230 is installed inside the cavity 210, a shaft 240 is fixed to an end of an output shaft of the motor 230, a sealing ring is disposed at a position where the shaft 240 contacts the cavity 210, so as to prevent the raw material from entering the cavity 210 when the shaft 240 rotates, the shaft 240 extends through the cavity 210 to the inside of the tube 110, the connecting assembly 250 is installed on an outer surface of the shaft 240, and a stirring blade 260 is fixed to an outer surface of the connecting assembly.

The outer fixed surface of motor 230 has connecting plate 231, and the inside of connecting plate 231 runs through there is first mounting 232, and here first mounting 232 is the screw, and first mounting 232 spiro union is in the inside of cavity 210, through the setting of connecting plate 231 and first mounting 232, can conveniently carry out the dismouting to motor 230.

The connecting assembly 250 comprises a sleeve 251 and a second fixing member 252, wherein the sleeve 251 is sleeved on the outer surface of the shaft 240, the second fixing member 252 is threaded through the sleeve 251, the second fixing member 252 is screwed inside the shaft 240, and the stirring blade 260 is fixed on the outer surface of the sleeve 251; the sleeves 251 are distributed at equal intervals; a threaded hole matched with the second fixing piece 252 is formed in the shaft rod 240; here, the second fixing member 252 is a hexagon socket head cap screw, and the stirring blade 260 can be easily detached, cleaned, or replaced.

Referring to fig. 1-2, the pressurizing bladder 300 is fixed in the chamber 210; the pressurizing air bag 300 comprises a bag cavity 310, an air conveying pipe 320 and a one-way valve 330, one end of the air conveying pipe 320 is fixedly communicated with the bag cavity 310, the one-way valve 330 is installed on the outer surface of the air conveying pipe 320, the one-way valve 330 is located on one side close to the bag cavity 310, the other end of the air conveying pipe 320 is fixedly communicated with the cavity 210, the bag cavity 310 is manually pressed by opening the one-way valve 330, and the inside of the pipe body 110 can be conveniently pressurized under the action of the air conveying pipe 320.

Specifically, the working principle of the rotatable pressurized bone cement loading device is as follows: during the use, bone cement is packed into in the inside of body 110, then insert the inside of body 110 with axostylus axostyle 240, with external screw thread pipe 220 spiro union to inside the one end of body 110, then open check valve 330 and pass through manual pressing bag chamber 310, pressurize the inside of body 110 under the effect of gas-supply pipe 320, bone cement raw materials will be exported like this, after bone cement can not use up in time, can drive axostylus axostyle 240 through motor 230 work and rotate, just can drive stirring vane 260 under the effect of coupling assembling 250 like this and rotate, thereby stir the inside bone cement of body 110, the time that the bone cement solidifies is prolonged, just can prolong the time that bone cement used simultaneously, the waste of bone cement material has been reduced.

It should be noted that the specific model specification of the motor 230 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 230 and its principle will be clear to the skilled person and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone cement loading device capable of being rotationally pressurized is characterized by comprising

The loading pipe (100) comprises a pipe body (110), a discharge hole (120) and a discharge pipe fitting (130), the discharge hole (120) is fixedly communicated with the end part of the pipe body (110), and the discharge pipe fitting (130) is installed on the outer surface of the discharge hole (120);

the stirring mechanism (200) comprises a cavity (210), an external threaded pipe (220), a motor (230) and a connecting assembly (250), wherein the external threaded pipe (220) is fixed on one side of the cavity (210), the external threaded pipe (220) is screwed on the end part of the pipe body (110), the motor (230) is installed inside the cavity (210), a shaft rod (240) is fixed on the end part of an output shaft of the motor (230), the shaft rod (240) penetrates through the cavity (210) and extends into the inside of the pipe body (110), the connecting assembly (250) is installed on the outer surface of the shaft rod (240), and stirring blades (260) are fixed on the outer surface of the connecting assembly (250);

the pressurizing air bag (300), the pressurizing air bag (300) is fixed in the cavity (210) in a communicating mode.

2. The rotatable and compressible bone cement loading device as claimed in claim 1, wherein the inner surface of the tube body (110) is provided with a slot (111), and an annular protrusion (112) is fixed on the surface of the slot (111).

3. The rotatable and pressurizable bone cement loading device as claimed in claim 2, wherein the external threaded pipe (220) is screwed on the inner surface of the clamping groove (111), a groove (221) is formed at the end of the external threaded pipe (220), a sealing gasket (222) is fixed inside the groove (221), and the annular protrusion (112) is tightly attached to the sealing gasket (222).

4. The rotatable and pressurizable bone cement loading device as claimed in claim 1, wherein the discharge pipe member (130) comprises an internally threaded sleeve (131) and a discharge pipe (132), the discharge pipe (132) is integrally formed at an end of the internally threaded sleeve (131), and the internally threaded sleeve (131) is threadedly engaged with an outer surface of the discharge port (120).

5. The rotatable and pressurizable bone cement loading device as claimed in claim 4, wherein the outer surface of the discharge port (120) is provided with an external thread structure matched with the internal thread sleeve (131).

6. A rotatable and pressurizable bone cement loading device as claimed in claim 1, wherein a connection plate (231) is fixed to an outer surface of the motor (230), a first fixing member (232) penetrates through an inner portion of the connection plate (231), and the first fixing member (232) is screwed into an inner portion of the cavity (210).

7. The rotatable and pressurizable bone cement loading device as claimed in claim 1, wherein the connecting assembly (250) comprises a sleeve (251) and a second fixture (252), the sleeve (251) is sleeved on the outer surface of the shaft (240), the second fixture (252) is threaded through the sleeve (251), the second fixture (252) is threaded inside the shaft (240), and the stirring blade (260) is fixed on the outer surface of the sleeve (251).

8. A rotatable pressurised bone cement loading device as claimed in claim 7, wherein said sleeves (251) are equidistantly spaced apart.

9. The rotatable and pressurizable bone cement loading device as claimed in claim 7, wherein the shaft (240) is internally threaded with a threaded hole matching the second fixture (252).

10. The bone cement loading device capable of being rotated and pressurized according to claim 1, wherein the pressurizing air bag (300) comprises a bag cavity (310), an air conveying pipe (320) and a one-way valve (330), one end of the air conveying pipe (320) is communicated and fixed with the bag cavity (310), the one-way valve (330) is installed on the outer surface of the air conveying pipe (320), the one-way valve (330) is located on one side close to the bag cavity (310), and the other end of the air conveying pipe (320) is communicated and fixed with the cavity (210).