CN218684654U

CN218684654U - Bone cement filling device capable of being pushed rapidly

Info

Publication number: CN218684654U
Application number: CN202221733030.XU
Authority: CN
Inventors: 曾奇; 马中祥
Original assignee: Hebei Botrum Medical Devices Co ltd
Current assignee: Hebei Botrum Medical Devices Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-03-24
Anticipated expiration: 2032-07-07

Abstract

The application discloses bone cement tucker that can promote fast includes: the stirring pipe, the pushing assembly and the driving assembly; the stirring pipe is used for containing bone cement and is provided with a mud pushing port, and the mud pushing port is rotationally connected with the mounting cylinder; the pushing assembly comprises a fixed frame, and the fixed frame is arranged on the mounting cylinder; the fixed frame is provided with a pushing part, the pushing part comprises a screw rod and a piston which are rotationally connected, and the screw rod is arranged towards the mud pushing opening; the driving assembly is arranged at the top of the fixing frame and can drive the screw rod to rotate so as to drive the piston to stretch into the stirring pipe and push the bone cement to be discharged. This application utilizes drive assembly drive pivot to rotate in order to drive the lead screw and rotate, and then makes the piston on the lead screw can remove and promote the bone cement in the agitator tube along the length direction of lead screw and extrude, need not promote through the manual work, has saved the manpower.

Description

Bone cement filling device capable of being pushed rapidly

Technical Field

The present disclosure relates generally to the field of bone cement filler technology, and more particularly to a bone cement filler that can be pushed quickly.

Background

At present, vertebral compression fracture is the most common complication of osteoporosis patients, the traditional open surgery treatment has large trauma and more complications, and Percutaneous Vertebroplasty (PVP) and Percutaneous Kyphoplasty (PKP) are novel minimally invasive surgery operations which are developed rapidly in spinal surgery in recent years, and the mechanical stability of a diseased vertebral body is enhanced by directly injecting fillers such as bone cement and artificial bone into the compressed vertebral body through percutaneous or injecting the fillers into the compressed vertebral body through balloon expansion, and the clinical application proves that the diseased vertebral body has stable, reliable, quick and effective treatment effects and few complications.

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

The existing bone cement filling device is mostly used in a mode of pushing injection, one mode is that a user is required to press a piston rod, the other mode is that the user is required to rotate a handle and screw threads to push the piston rod, the two modes are time-consuming and labor-consuming to push, and therefore the bone cement filling device capable of being pushed rapidly is provided.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies of the prior art, it would be desirable to provide a labor-saving, rapidly-propelled bone cement applier.

In a first aspect, the present application provides a rapidly pushable bone cement applier comprising:

a mixing tube for containing bone cement; the stirring pipe is provided with a mud pushing port; the mud pushing port is rotationally connected with the mounting cylinder; the mounting cylinder is provided with an opening corresponding to the mud pushing port;

a pushing assembly, the pushing assembly comprising a mount; the fixing frame is arranged on the mounting cylinder; the fixed frame is provided with a pushing part, and the pushing part comprises a screw rod and a piston which are rotationally connected; the screw rod is arranged towards the mud pushing port;

the driving assembly is arranged at the top of the fixed frame; the driving assembly can drive the screw rod to rotate so as to drive the piston to extend into the stirring pipe and push the bone cement to be discharged.

According to the technical scheme provided by the embodiment of the application, the pushing part further comprises:

the rotating shaft is connected with the top of the fixing frame through a bearing; one end of the rotating shaft, which is close to the mud pushing port, is in transmission connection with the screw rod;

the connecting frame is rotationally connected with the screw rod; the connecting frame is used for supporting the piston; the connecting frame is detachably connected with the piston;

and the driven gear is sleeved on the rotating shaft.

According to the technical scheme provided by the embodiment of the application, the driving assembly comprises: the driving end of the motor is provided with a driving gear; the driving gear is meshed with the driven gear.

According to the technical scheme that this application embodiment provided, the pivot is kept away from the one end of installation section of thick bamboo is provided with the internal thread pole, the one end that the pivot was kept away from to the internal thread pole is provided with the hand wheel.

According to the technical scheme provided by the embodiment of the application, the fixed frame is provided with a loop bar; the loop bar is used for accommodating the supporting leg of the fixing frame; the wall of the loop bar rod is provided with a connecting hole.

According to the technical scheme provided by the embodiment of the application, the supporting leg is provided with the mounting hole corresponding to the connecting hole.

According to the technical scheme provided by the embodiment of the application, the bottom of the stirring pipe is provided with an extension pipe communicated with the interior of the stirring pipe.

According to the technical scheme provided by the embodiment of the application, the piston is matched with the stirring pipe.

In summary, the present technical solution specifically discloses a bone cement filler capable of being pushed rapidly, comprising: the stirring pipe, the pushing assembly and the driving assembly. The stirring pipe is used for containing bone cement and is provided with a mud pushing port, and the outer wall of the mud pushing port is rotatably connected with the mounting cylinder; the pushing assembly comprises a fixing frame, the fixing frame is arranged on the mounting cylinder, a pushing part is arranged on the fixing frame, the pushing part comprises a screw rod and a piston which are rotatably connected, and the screw rod faces the mud pushing opening; the driving assembly is arranged at the top of the fixing frame and can drive the screw rod to rotate so as to drive the piston to stretch into the stirring pipe and push the bone cement to be discharged.

The screw rod can be driven to rotate by the rotating shaft through the driving assembly, and then the piston is driven by the connecting frame to push bone cement in the stirring pipe to be extruded out, so that manual pushing is not needed, and manpower is saved; in addition, when drive assembly need maintain when out of use, usable internal thread pole and hand wheel guarantee that bone cement filler still can normal use, make the piston conveniently take off through the structural design of mount and loop bar simultaneously, can regularly change the piston.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic view showing the overall structure of a rapidly pushing bone cement filler.

Fig. 2 is a schematic structural view of a bone cement filler a capable of being pushed rapidly.

Fig. 3 is a schematic view showing the connection between the stem of the bone cement filler and the fixing frame, which can be pushed rapidly.

Reference numbers in the figures: 1. a stirring pipe; 2. mounting the cylinder; 3. a piston; 4. an extension tube; 5. a fixed mount; 6. a rotating shaft; 7. a screw rod; 8. a connecting frame; 9. a driven gear; 10. a driving gear; 11. A motor; 12. an inner threaded rod; 13. a hand wheel; 14. a loop bar; 15. a connecting member.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Please refer to fig. 1, which is a schematic structural diagram of a first embodiment of a rapidly pushing bone cement filler provided by the present application, comprising:

the stirring pipe 1, the stirring pipe 1 is used for containing bone cement; the stirring pipe 1 is provided with a mud pushing port; the mud pushing port is rotationally connected with the mounting cylinder 2;

the pushing assembly comprises a fixed frame 5; the fixed mount 5 is arranged on the mounting cylinder 2; the fixed frame 5 is provided with a pushing part, and the pushing part comprises a screw rod 7 and a piston 3 which are rotationally connected; the screw rod 7 is arranged towards the mud pushing port;

the driving assembly is arranged at the top of the fixed frame 5; the driving assembly can drive the screw rod 7 to rotate so as to drive the piston 3 to extend into the stirring pipe 1 and push the bone cement to be discharged.

In the embodiment, the mixing tube 1 is used for containing the prepared bone cement, and the mud pushing port of the mixing tube 1 is used for enabling the piston 3 to extend into the mixing tube 1; the mounting cylinder 2 is in threaded connection with the outer wall of the mud pushing port, and the mounting cylinder 2 forms a mounting space of the pushing assembly; an opening corresponding to the mud pushing opening is formed in the mounting cylinder 2, so that the piston 3 can smoothly enter the stirring pipe 1;

the pushing assembly comprises a fixing frame 5, the fixing frame 5 is arranged on the mounting cylinder 2, a pushing part is arranged on the fixing frame 5 and used for supporting the pushing part, the pushing part comprises a screw rod 7 and a piston 3 which are rotatably connected, the screw rod 7 is arranged towards a mud pushing opening, and the screw rod 7 is driven to rotate by the driving assembly so as to drive the piston 3 to move towards the mud pushing opening and push the bone cement in the stirring pipe 1 to be discharged out of the pipe;

the piston 3 is matched with the stirring pipe 1, so that the piston 3 can be tightly attached to the inner wall of the stirring pipe 1, the contact area between the piston 3 and the bone cement in the stirring pipe 1 is large enough, and more bone cement is pushed to be discharged;

the driving assembly is arranged at the top of the fixing frame 5 and used for driving the screw rod 7 to rotate, so that the piston can move along the length direction of the screw rod 7.

As shown in fig. 1 and 2, the pushing portion further includes:

the rotating shaft 6 is connected with the top of the fixing frame 5 through a bearing, the bearing is used for supporting the rotating shaft 6, one end, close to the mud pushing port, of the rotating shaft 6 is in transmission connection with the screw rod 7, and the rotating shaft 6 is used for driving the screw rod 7 to rotate;

the link 8, the link 8 rotates with lead screw 7 to be connected, and the link 8 is used for supporting piston 3, thereby this project organization rotates through drive lead screw 7 and makes the link 8 can follow the length direction removal of lead screw 7, is provided with piston 3 on the link 8, and the link 8 can be dismantled with piston 3 simultaneously and be connected, conveniently dismantles piston 3 and is convenient for clear up and maintain piston 3.

Driven gear 9, driven gear 9 cover is located on the pivot 6, and driven gear 9 is used for driving pivot 6 to rotate.

As shown in fig. 2, the driving assembly includes: the driving end of the motor 11 is provided with a driving gear 10; the driving gear 10 is meshed with the driven gear 9, and the motor 11 can drive the driving gear 10 to rotate so as to drive the driven gear 9 to rotate.

Wherein, the one end that installation section of thick bamboo 2 was kept away from to pivot 6 sets up internal threaded rod 12, and the one end that pivot 6 was kept away from to internal threaded rod 12 is provided with hand wheel 13, and this project organization can be used to motor 11 and need maintain when out of use, through rotatory hand wheel 13, can drive pivot 6 rotatory equally, makes bone cement filler still can normal use.

As shown in fig. 3, a loop bar 14 is arranged on the fixing frame 5, the loop bar 14 is used for accommodating the supporting legs of the fixing frame 5, a connecting hole is arranged on the wall of the loop bar 14, and a mounting hole corresponding to the connecting hole is arranged on the supporting leg; the design structure is used for facilitating the disassembly of the fixing frame 5 and the subsequent removal of the piston 3; the number of the loop bars 14 is adjusted according to the number of the supporting legs of the fixing frame 5, for example, as shown in fig. 3, the number of the loop bars 14 is two; the connecting holes and the mounting holes are used for accommodating connecting pieces 15, so that the connecting pieces 15 can connect the fixed frame 5 with the mounting cylinder 2, and the type of the connecting pieces 15 is a bolt;

as shown in figure 1, the bottom of the mixing tube 1 is provided with an extension tube 4 communicated with the inside of the mixing tube, the extension tube 4 is used for enabling bone cement to enter a puncture tube inserted into a human bone.

The specific working principle is as follows:

firstly, bone cement to be used is manufactured in the stirring pipe 1, and then the mounting cylinder 2 is rotatably connected with a mud pushing port on the stirring pipe 1; secondly, a starting motor 11 drives a driving gear 10 to drive a driven gear 9 to rotate, and at the moment, a rotating shaft 6 which is sleeved with the driven gear 9 rotates and drives a screw rod 7 to rotate, so that a connecting frame 8 and a piston 3 damaged by the connecting frame 8 move along the length direction of the screw rod 7; finally, the piston 3 enters the stirring pipe 1 through the mud pushing port and pushes the bone cement in the stirring pipe 1, so that the bone cement enters the puncture tube inserted into the human bone from the extension tube 4; when the motor 11 needs to be maintained, the lead screw 7 can be driven to rotate through the hand wheel 13, normal use of the bone cement filling device is guaranteed, and meanwhile, the piston 3 in the device can be taken down to facilitate subsequent cleaning and maintenance.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A rapidly pushable bone cement filler, comprising:

a mixing tube (1), the mixing tube (1) being intended to contain bone cement; the stirring pipe (1) is provided with a mud pushing port; the mud pushing port is rotatably connected with the mounting cylinder (2), and an opening corresponding to the mud pushing port is formed in the mounting cylinder (2);

a pushing assembly comprising a mount (5); the fixing frame (5) is arranged on the mounting cylinder (2); the fixed frame (5) is provided with a pushing part, and the pushing part comprises a screw rod (7) and a piston (3) which are rotationally connected; the screw rod (7) is arranged towards the mud pushing port;

the driving assembly is arranged at the top of the fixed frame (5); the driving assembly can drive the screw rod (7) to rotate so as to drive the piston (3) to stretch into the stirring pipe (1) and push bone cement to be discharged.

2. The rapidly pushable bone cement filler as claimed in claim 1, wherein said pushing part further comprises:

the rotating shaft (6), the said rotating shaft (6) is connected with the top of the said fixed mount (5) through the bearing; one end of the rotating shaft (6) close to the mud pushing port is in transmission connection with the screw rod (7);

the connecting frame (8), the connecting frame (8) is rotationally connected with the screw rod (7); the connecting frame (8) is used for supporting the piston (3); the connecting frame (8) is detachably connected with the piston (3);

the driven gear (9), driven gear (9) cover is located on pivot (6).

3. The rapidly advanceable bone cement applier as recited in claim 2, wherein said drive assembly comprises: the driving end of the motor (11) is provided with a driving gear (10); the driving gear (10) is meshed with the driven gear (9).

4. The rapidly-pushed bone cement filler as claimed in claim 2, characterized in that one end of the rotating shaft (6) far away from the mounting cylinder (2) is provided with an inner threaded rod (12), and one end of the inner threaded rod (12) far away from the rotating shaft (6) is provided with a hand wheel (13).

5. A rapidly pushing bone cement filler as claimed in claim 1, characterized in that a loop bar (14) is arranged on the fixing frame (5); the loop bar (14) is used for accommodating a supporting leg of the fixing frame (5); the wall of the sleeve rod (14) is provided with a connecting hole.

6. The bone cement filler capable of being pushed rapidly as claimed in claim 5, wherein the supporting leg is provided with a mounting hole corresponding to the connecting hole.

7. A rapidly pushed bone cement filler as claimed in claim 1, characterized in that the bottom of the mixing tube (1) is provided with an extension tube (4) communicating with its interior.

8. Rapidly pushing bone cement filler according to claim 1 characterized in that the piston (3) is arranged to match the mixing tube (1).