Syringe capable of injecting bone cement

Abstract

Disclosed in the present invention is a syringe capable of injecting bone cement, relating to the technical field of syringes. The syringe comprises a housing. A guide ring is mounted in the housing. The guide ring is sleeved with an energy storage spring. A rotating plate is mounted in the middle of the guide ring. The rotating plate is slidably connected to the guide ring. A transmission shaft is mounted in the middle of the rotating plate. A universal joint is connected to one side of the transmission shaft. A following plate is mounted below the universal joint. A stirring blade is mounted below the following plate. Another following plate is mounted below the stirring blade. A barrel is mounted below the another following plate. An inner sleeve is mounted below the barrel. A feeding plate is slidably mounted in the inner sleeve. An injection tube is mounted below the feeding plate. The energy storage spring drives the stirring blade to rotate, the stirring blade stirs the bone cement, and the feeding plate conveys the stirred bone cement. A control panel is mounted on the housing, and a control system is arranged in the control panel.

Description

Injector for injectable bone cement TECHNICAL FIELD

[0001] The present application relates to the technical field of injectors, in particular to an injector for injectable bone cement. BACKGROUND

[0002] Bone cement needs to be injected during fracture surgery, and a plurality of raw materials need to be mixed to obtain bone cement, and then the mixed bone cement is injected. This processing method is time-consuming and laborious, and the bone cement is easily contaminated after being mixed and transported. When the bone cement is mixed, a certain amount of heat is generated. If the heat is not cooled, the service life of the injector will be reduced. The existing cooling method for the injector mainly uses external cooling fins, which has certain requirements for the size of the injector. Therefore, the existing bone cement injector mainly has the following problems: (1) the raw materials of the bone cement cannot be directly mixed, which is time-consuming and laborious, (2) the heat is not recycled and utilized for cooling, resulting in a larger size of the injector, which is not convenient to operate.

[0003] SUMMARY

[0004] The present application aims to provide an injector for injectable bone cement to solve the problems in the background art.

[0005] In order to solve the above technical problems, the present application provides the following technical scheme: an injector for injectable bone cement, comprising a housing, a guide ring is installed in the housing, an energy storage spring is sleeved on the guide ring, a rotating plate is installed in the middle of the guide ring, the rotating plate is in sliding connection with the guide ring, a transmission shaft is installed in the middle of the rotating plate, a universal joint is connected to one side of the transmission shaft, a following plate is installed below the universal joint, a stirring blade is installed below the following plate, another set of following plates are installed below the stirring blade, a barrel is installed below the other set of following plates, an inner sleeve is installed below the barrel, a feeding plate is slidably installed in the inner sleeve, and an injection tube is installed below the feeding plate.

[0006] The energy storage spring drives the stirring blade to rotate, the stirring blade stirs the bone cement, and the feeding plate transports the stirred bone cement.

[0007] The guide ring is installed on the shell, the guide ring is a circular ring structure, a plurality of fixed plates are arranged on the rotating plate, the plurality of fixed plates are in sliding connection with the guide ring, one of the fixed plates and the guide ring are connected by the energy storage spring, a tooth-shaped structure is arranged in the middle of the rotating plate, the tooth-shaped structure is engaged with the first gear, the first gear is engaged with the second gear on one side, the second gear is installed on the transmission shaft in the middle, the universal joint connects the transmission shaft and the stirring blade, a sliding groove is arranged on the following plate, the stirring blade is in sliding connection with the following plate through the sliding groove, a first spring is connected between the stirring blade and the following plate, the first spring is arranged in the sliding groove, the first gear, the transmission shaft and the following plate are all rotatably installed on the shell through bearings;

[0008] A magnetic material is arranged on the stirring blade, the magnetic material is arranged on the stirring blade between the following plate and the universal joint, an electromagnet is installed on the shell close to the magnetic material, the electromagnet is provided in multiple groups, and the multiple groups of electromagnets are electrically connected with the control system.

[0009] A temperature difference plate A is attached to the shell outside the stirring blade, a temperature difference plate B is attached to the inner side of the inner sleeve, two different materials of semiconductor and metal plates are arranged on the temperature difference plate A and the temperature difference plate B, one end of the two different materials of semiconductor is connected with the metal plate, the two different materials of semiconductor on the temperature difference plate A and the two different materials of semiconductor on the temperature difference plate B are connected by wires, and one of the wires is connected with the control system.

[0010] A plurality of groups of cooling plates are arranged on the stirring blade, two different materials of semiconductor and metal plates are arranged on the plurality of groups of cooling plates, the two different materials of semiconductor on the cooling plates are connected with the metal plates, and the semiconductor on the cooling plates is electrically connected with the control system through wires.

[0011] A plurality of groups of telescopic plates are installed on the opposite sides of the two groups of following plates, the plurality of groups of telescopic plates are opposite to the sliding grooves, the two ends of the plurality of groups of telescopic plates are installed on the stirring blade and the following plate respectively, the telescopic plate is of telescopic structure, the plurality of groups of telescopic plates shield the sliding grooves, and the telescopic plate follows the telescopic structure when the stirring blade moves, so as to ensure the sealing of the sliding grooves and prevent the bone cement from falling through the sliding grooves.

[0012] A liquid level sensor is installed on the shell outside the stirring blade, the liquid level sensor detects the volume of the bone cement and feeds back data to the control system, the liquid level sensor is located on one side of one of the temperature difference plates A, a plurality of groups of barrels are arranged, the plurality of groups of barrels are installed on the shell, a valve and a displacement sensor are installed in the barrel, the valve is installed in the middle of the barrel, and the displacement sensor is installed on the lower side of the barrel, and the valve and the displacement sensor are electrically connected with the control system.

[0013] The inner sleeve is mounted on the shell, and the inner sleeve is provided with liquid inlet ports in communication with the interior.

[0014] A pushing plate is mounted on the shell near the inner sleeve by a spring sliding, the pushing plate is connected with a connecting rod, the connecting rod is connected with the feeding plate, the inner sleeve is communicated with the injection pipe, the pushing plate is provided with a mark, the shell near the pushing plate is provided with a scale, and the mark on the pushing plate and the scale on the shell can facilitate the staff to inject bone cement.

[0015] A feeding port is arranged on the shell near the stirring blade, a switch valve is mounted on one side of the feeding port, the switch valve is mounted on the shell, and the switch valve is electrically connected with the control system.

[0016] The staff puts various raw materials into the feeding port, drives the driving rod to slide clockwise on the shell, and drives the rotating plate to rotate by a certain angle, the fixed plate on the rotating plate slides on the guide ring, one of the fixed plates compresses the energy storage spring, the tooth-shaped structure in the rotating plate drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the transmission shaft to rotate, the transmission shaft drives the universal joint to rotate, the universal joint drives the stirring blade to rotate, the stirring blade drives the following plate to rotate, and the stirring blade drives the various raw materials to mix.

[0017] The various raw materials after mixing form bone cement, the control system opens the valve in the barrel, the bone cement enters the barrel through the valve, and is transported to the inner sleeve through the barrel and the pipeline.

[0018] After the buzzer alarms, the staff pushes the pushing plate to move, the pushing plate compresses the spring, the pushing plate drives the feeding plate to move through the connecting rod, the feeding plate pushes the bone cement in the inner sleeve into the injection pipe, and the bone cement is transported to the injection position through the injection pipe, so as to realize the injection of bone cement.

[0019] During the rotation of the stirring blade, the control system connects the two semiconductors on the cooling plate into a circuit, the semiconductors and the metal plate on the cooling plate are the refrigeration end in the Peltier effect, the cooling plate cools the multiple raw materials through the refrigeration end, the semiconductors and the metal plate on the temperature difference plate A are the hot end in the Seebeck effect, the semiconductors and the metal plate on the temperature difference plate B are the cold end in the Seebeck effect, the heat generated by the mixture of the multiple raw materials is conducted to the metal plate on the temperature difference plate A, since the temperature difference plate A is located on the outer shell outside the stirring blade, and the temperature difference plate B is located in the inner sleeve, therefore, the temperature of the temperature difference plate A is higher than that of the temperature difference plate B, thus, the hot end and the cold end generate an electric current through the Seebeck effect and transmit the electric current to the control system, the control system transmits the electric current to the two semiconductors in the refrigeration end after rectification and voltage transformation, so that the cooling plate cools the multiple raw materials, and the control system detects that the electric current generated through the hot end and the cold end is small, and the refrigeration end is directly powered by the control system to ensure the normal cooling of the cooling plate.

[0020] During the rotation of the stirring blade, the control system energizes multiple electromagnets, the magnetic material on the transmission shaft rotates with the transmission shaft, when the magnetic material and the electromagnet are close, the electromagnet attracts the magnetic material to move outward, the magnetic material drives the transmission shaft to move outward, the transmission shaft slides in the sliding groove and compresses the first spring, then, the magnetic material moves away from the electromagnet with the transmission shaft, the first spring is released, and the first spring pushes the transmission shaft to move inward, therefore, the magnetic material reciprocally moves inward and outward during the rotation, the stirring blade vibrates to make the multiple raw materials mix more thoroughly and improve the mixing effect.

[0021] The driving rod is arranged on the upper side of the rotating plate and is in sliding connection with the shell.

[0022] The feeding port and the shell are in buckle connection, and the handle is arranged on the other side of the feeding port and is mounted on the shell.

[0023] The control panel is mounted on the shell, the control system is arranged in the control panel, and the through groove in communication with the external atmosphere is arranged on the outer side of the inner sleeve.

[0024] Compared with the prior art, the present application has the following beneficial effects:

[0025] 1、The composite stirring treatment makes the mixing of the bone cement more thorough. The stirring blade drives the mixing of the various raw materials, the stirring blade is continuously reversed by the forward and reverse rotation of the driving rod, the purpose of mixing the various raw materials is achieved, the magnetic material on the transmission shaft rotates, when the magnetic material and the electromagnet are close, the electromagnet attracts the magnetic material to move outward, the magnetic material drives the transmission shaft to move outward, the transmission shaft slides in the sliding groove and compresses the first spring, then, the magnetic material moves away from the electromagnet with the transmission shaft, the first spring is released, the first spring pushes the transmission shaft to move inward, therefore, the magnetic material reciprocates inward and outward during rotation, the stirring blade rotates while vibrating, forming a composite stirring treatment, which makes the mixing of the various raw materials more thorough.

[0026] 2、The heat can be recycled and used for bone cement cooling. The semiconductor and metal plate on the temperature difference plate B are the cold end of the Seebeck effect, the heat generated by the mixing of the various raw materials is conducted to the metal plate on the temperature difference plate A, since the temperature difference plate A is located on the outer shell outside the stirring blade, and the temperature difference plate B is located in the inner sleeve, therefore, the temperature of the temperature difference plate A is higher than that of the temperature difference plate B, therefore, the hot end and the cold end generate current through the Seebeck effect and transmit to the control system, the control system transmits to the two semiconductors in the refrigeration end after rectification and voltage transformation, so that the cooling plate cools the various raw materials, when the control system detects that the current generated by the hot end and the cold end is small, the refrigeration end is directly powered by the control system to ensure the normal cooling of the cooling plate, which can reduce the structure size of the syringe and does not need external refrigeration. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application, and do not limit the application. In the drawings:

[0028] Fig. 1 is a schematic diagram of the overall structure of the application;

[0029] Fig. 2 is a schematic diagram of the structure after removing part of the shell in Fig. 1;

[0030] Fig. 3 is an elevation view of Fig. 2;

[0031] Fig. 4 is a schematic diagram of the structure after removing the driving rod, energy storage spring and guide ring, etc. in Fig. 3;

[0032] Fig. 5 is a schematic diagram of the structure after removing the rotating plate, first gear and second gear, etc. in Fig. 4;

[0033] Fig. 6 is a schematic diagram of the installation structure of the rotating plate, energy storage spring, first gear and second gear;

[0034] Fig. 7 is a perspective view of Fig. 6 after removing the energy storage spring;

[0035] Figure 8 is a schematic diagram of the mounting structure of the stirring blade, the following plate and the first spring.

[0036] In the figure: 1, control panel; 11, outer shell; 12, handle; 13, switch valve; 14, feeding port; 15, pushing plate; 151, connecting rod; 16, barrel; 17, inner sleeve; 171, liquid inlet; 18, injection tube; 2, driving rod; 21, guide ring; 22, universal joint; 23, energy storage spring; 24, rotating plate; 241, toothed structure; 25, first gear; 251, second gear; 26, transmission shaft; 27, following plate; 28, feeding plate; 29, electromagnet; 3, stirring blade; 31, telescopic plate; 4, temperature difference plate A; 41, temperature difference plate B; 42, cooling plate. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0038] Please refer to Figure 1-8, the present application provides technical solutions: a kind of syringe of injectable bone cement, including shell 11, guiding ring 21 is installed in shell 11, energy storage spring 23 is sleeved on guiding ring 21, rotating plate 24 is installed in the middle of guiding ring 21, rotating plate 24 is slidably connected with guiding ring 21, transmission shaft 26 is installed in the middle of rotating plate 24, universal joint 22 is connected on one side of transmission shaft 26, follower plate 27 is installed below universal joint 22, stirring blade 3 is installed below follower plate 27, another set of follower plate 27 is installed below stirring blade 3, cartridge 16 is installed below another set of follower plate 27, inner sleeve 17 is installed below cartridge 16, feeding plate 28 is slidably installed in inner sleeve 17, injection tube 18 is installed below feeding plate 28, driving rod 2 is provided on the upper side of rotating plate 24, driving rod 2 and shell 11 are slidably connected, material inlet 14 is provided on shell 11 close to stirring blade 3, switch valve 13 is installed on one side of material inlet 14, switch valve 13 is installed on shell 11, switch valve 13 is electrically connected with control system, switch valve 13 is arranged to discharge the gas generated during mixing to the outside when multiple raw materials are mixed, switch valve 13 is controlled by control system, material inlet 14 and shell 11 are buckle type connection, handle 12 is installed on the other side of material inlet 14, handle 12 is installed on shell 11, push plate 15 is slidably installed on shell 11 close to inner sleeve 17 by spring, connecting rod 151 is connected with push plate 15 by passing through shell 11, connecting rod 151 is connected with feeding plate 28, inner sleeve 17 and injection tube 18 are communicated, mark is provided on push plate 15, scale is provided on shell 11 close to push plate 15, control panel 1 is installed on shell 11, control system is provided in control panel 1, energy storage spring 23 drives stirring blade 3 to rotate, stirring blade 3 stirs bone cement, feeding plate 28 transports the bone cement after stirring, through groove is provided on the outer side of shell 11 of inner sleeve 17, which is communicated with external atmosphere.

[0039] The guide ring 21 is installed on the shell 11, the guide ring 21 is a circular ring structure, a plurality of fixed plates are arranged on the rotating plate 24, the plurality of fixed plates are all in sliding connection with the guide ring 21, the energy storage spring 23 connects one of the fixed plates and the guide ring 21, a tooth-shaped structure 241 is arranged in the middle of the rotating plate 24, the tooth-shaped structure 241 is engaged with the first gear 25, the first gear 25 is engaged with the second gear 251 on one side, the second gear 251 is installed on the transmission shaft 26 in the middle, the universal joint 22 connects the transmission shaft 26 and the stirring blade 3, a sliding groove is arranged on the following plate 27, the following plate 27 rotates following the stirring blade 3, the following plate 27 and the sliding groove limit the stirring blade 3, so that the stirring blade 3 rotates following the stirring blade 3 while sliding in the sliding groove, a first spring is connected between the stirring blade 3 and the following plate 27, the first spring is arranged in the sliding groove, the first gear 25, the transmission shaft 26 and the following plate 27 are all rotatably installed on the shell 11 through bearings; A magnetic material is arranged on the stirring blade 3, the magnetic material is arranged on the stirring blade 3 between the following plate 27 and the universal joint 22, an electromagnet 29 is installed on the shell 11 close to the magnetic material, the electromagnet 29 is provided in multiple groups, and the multiple groups of electromagnets 29 are all electrically connected with the control system.

[0040] The shell 11 outside the stirring blade 3 is attached with a temperature difference plate A4, and the inner side of the inner sleeve 17 is attached with a temperature difference plate B41, the temperature difference plate A4 and the temperature difference plate B41 are both provided with two different materials of semiconductor and metal plates, one end of the two different materials of semiconductor is connected with the metal plate, the two semiconductors on the temperature difference plate A4 and the two semiconductors on the temperature difference plate B41 are connected through wires, and one of the wires is connected with the control system; A plurality of cooling plates 42 are arranged on the stirring blade 3, and the plurality of cooling plates 42 are all provided with two different materials of semiconductor and metal plates, the two different materials of semiconductor on the cooling plate 42 are all connected with the metal plate, and the semiconductors on the cooling plate 42 are electrically connected with the control system through wires.

[0041] A plurality of expansion plates 31 are installed on the opposite sides of the two groups of following plates 27, the plurality of expansion plates 31 are opposite to the sliding grooves, and the two ends of the plurality of expansion plates 31 are respectively installed on the stirring blade 3 and the following plate 27; the expansion plate 31 is of an expansion structure, the plurality of expansion plates 31 shield the sliding grooves, and the expansion plate 31 expands following the stirring blade 3 to ensure the sealing of the sliding grooves, so as to prevent the bone cement from falling through the sliding grooves.

[0042] The liquid level sensor is arranged on the outer shell 11 outside the stirring blade 3, detects the volume of bone cement, and feeds back data to the control system, and the liquid level sensor is arranged on one side of one of the temperature difference plates A4, and a plurality of barrels 16 are arranged, and the plurality of barrels 16 are arranged on the outer shell 11, and a valve and a displacement sensor are arranged in the barrel 16, the valve is arranged in the middle of the barrel 16, and the displacement sensor is arranged on the lower side of the barrel 16, and the valve and the displacement sensor are electrically connected with the control system; the inner sleeve 17 is arranged on the outer shell 11, the inner sleeve 17 is provided with a liquid inlet 171 communicating with the inside, and a plurality of liquid inlets 171 are arranged, and the plurality of liquid inlets 171 are connected with the barrels 16 through pipelines.

[0043] The working principle of the present application is that a plurality of raw materials are put into the feeding port 14, an operator drives the driving rod 2 to slide clockwise on the outer shell 11, the driving rod 2 drives the rotating plate 24 to rotate by a certain angle, the fixed plate on the rotating plate 24 slides on the guide ring 21, one of the fixed plates compresses the energy storage spring 23, the tooth-shaped structure 241 in the rotating plate 24 drives the first gear 25 to rotate, the first gear 25 drives the second gear 251 to rotate, the second gear 251 drives the transmission shaft 26 to rotate, the transmission shaft 26 drives the universal joint 22 to rotate, the universal joint 22 drives the stirring blade 3 to rotate, the stirring blade 3 drives the upper and lower two groups of following plates 27 to rotate, the stirring blade 3 drives the plurality of raw materials to mix, then the operator releases the driving rod 2, the energy storage spring 23 is released, the energy storage spring 23 drives the rotating plate 24 to reverse rotate, the tooth-shaped structure 241 on the rotating plate 24 drives the first gear 25 to reverse, the first gear 25 drives the second gear 251 to reverse, the second gear 251 drives the universal joint 22 to reverse, the universal joint 22 drives the stirring blade 3 to reverse, the stirring blade 3 drives the plurality of raw materials to mix, and the stirring blade 3 is continuously forward and reverse through forward and reverse rotation of the driving rod 2, so that the purpose of mixing the plurality of raw materials is achieved.

[0044] The plurality of raw materials after mixing form bone cement, the control system opens the valve in the barrel 16, the bone cement enters the barrel 16 through the valve, and is transported into the inner sleeve 17 through the barrel 16 and the pipeline, the displacement sensor in the barrel 16 feeds back displacement data to the control system, the control system further obtains whether the bone cement in the barrel 16 enters, when the bone cement completely enters the inner sleeve 17, the displacement sensor feeds back data to the control system, the control system closes the valve in the barrel 16, and the buzzer in the control panel 1 alarms to remind the user that the mixing is completed and needs to be injected in time.

[0045] After the buzzer alarm, the staff pushes the push plate 15 to move, the push plate 15 compresses the spring, the push plate 15 drives the feeding plate 28 to move through the connecting rod 151, the feeding plate 28 pushes the bone cement in the inner sleeve 17 into the injection pipe 18, and then is transported to the injection position through the injection pipe 18, so as to realize the bone cement injection, the outer shell 11 outside the inner sleeve 17 is provided with a through groove in communication with the outside atmosphere, when the feeding plate 28 moves downward, the outside gas enters the upper side of the feeding plate 28 through the through groove, when the feeding plate 28 moves upward, the gas on the upper side of the feeding plate 28 is discharged to the outside through the through groove, so as to ensure that the feeding plate 28 can stably move downward and upward, after the injection is completed, the staff releases the push plate 15, the spring connected to the push plate 15 is released, the spring pushes the push plate 15 to move upward, the push plate 15 drives the feeding plate 28 to move upward through the connecting rod 151, so as to facilitate the next bone cement injection.

[0046] In the rotating process of the stirring blade 3, the control system connects the two semiconductors on the cooling plate 42 into a circuit, the semiconductors and metal plates on the cooling plate 42 are the refrigeration end in the Peltier effect, the cooling plate 42 cools the multiple raw materials through the refrigeration end, the semiconductors and metal plates on the temperature difference plate A4 are the hot end of the Seebeck effect, the semiconductors and metal plates on the temperature difference plate B41 are the cold end of the Seebeck effect, the heat generated by the mixing of the multiple raw materials is conducted to the metal plate on the temperature difference plate A4, since the temperature difference plate A4 is located on the outer shell 11 outside the stirring blade 3, and the temperature difference plate B41 is located in the inner sleeve 17, therefore, the temperature of the temperature difference plate A4 is higher than that of the temperature difference plate B41, thus, the hot end and the cold end generate current through the Seebeck effect and transmit to the control system, the control system transmits to the two semiconductors in the refrigeration end after rectification and voltage transformation of the current, so that the cooling plate 42 cools the multiple raw materials, when the control system detects that the current generated through the hot end and the cold end is small, the refrigeration end is directly powered by the control system, so as to ensure the normal cooling of the cooling plate 42.

[0047] In the rotating process of the stirring blade 3, the control system energizes multiple electromagnets 29, the magnetic material on the transmission shaft 26 follows the rotation, when the magnetic material and the electromagnet 29 are close, the electromagnet 29 attracts the magnetic material to move outward, the magnetic material drives the transmission shaft 26 to move outward, the transmission shaft 26 slides in the sliding groove and compresses the first spring, then, the magnetic material follows the transmission shaft 26 to move away from the electromagnet 29, the first spring is released, the first spring pushes the transmission shaft 26 to move inward, therefore, the magnetic material reciprocally moves inward and outward in the rotating process, the stirring blade 3 vibrates, so that the multiple raw materials are mixed more thoroughly.

[0048] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0049] Finally, it should be noted that the above-mentioned only constitutes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will still be able to modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A syringe for injectable bone cement, characterized by: The utility model provides an energy storage spring (23) drives stirring vane (3) to rotate, and stirring vane (3) carries out the stirring to bone cement, and the feeding plate (28) transports the bone cement after stirring. The guiding ring (21) is installed on the shell (11), the guiding ring (21) is the circular ring structure, a plurality of fixed plates are arranged on the rotating plate (24), and the plurality of fixed plates are slidably connected with the guiding ring (21). The energy storage spring (23) connects one of the fixed plates and the guiding ring (21). The rotating plate (24) is provided with a tooth-shaped structure (241) in the middle part. The tooth-shaped structure (241) is engaged with the first gear (25). The first gear (25) is engaged with the second gear (251) on one side. The second gear (251) is installed on the transmission shaft (26) in the middle part. The universal joint (22) connects the transmission shaft (26) and the stirring vane (3). The following plate (27) is provided with a sliding groove. The stirring vane (3) is slidably connected with the following plate (27) through the sliding groove. The first spring is connected between the stirring vane (3) and the following plate (27). The first spring is arranged in the sliding groove. The first gear (25), the transmission shaft (26) and the following plate (27) are rotatably installed on the shell (11) through bearings.

2. A syringe for injectable bone cement according to claim 1, characterized in that: The stirring vane (3) is provided with a magnetic material. The magnetic material is arranged on the stirring vane (3) between the following plate (27) and the universal joint (22). The shell (11) close to the magnetic material is provided with an electromagnet (29). The electromagnet (29) is provided with a plurality of groups. The plurality of electromagnets (29) are electrically connected with the control system. The shell (11) outside the stirring vane (3) is attached with a temperature difference plate A (4). The inner sleeve (17) is attached with a temperature difference plate B (41) on the inside. The temperature difference plate A (4) and the temperature difference plate B (41) are provided with two different materials of semiconductor and metal plate. One end of the two different materials of semiconductor is connected with the metal plate. The two semiconductors on the temperature difference plate A (4) and the two semiconductors on the temperature difference plate B (41) are connected by wires. One of the wires is connected with the control system.

3. A syringe for injectable bone cement according to claim 2, characterized in that: ​ The stirring blade (3) is provided with a plurality of groups of cooling plates (42), and the plurality of groups of cooling plates (42) are provided with semiconductors and metal plates of two different materials, the semiconductors of two different materials on the cooling plates (42) are connected with the metal plates, and the semiconductors on the cooling plates (42) are electrically connected with the control system through wires.

4. A syringe for injectable bone cement according to claim 3, characterized in that: The opposite sides of the two groups of following plates (27) are provided with a plurality of groups of telescopic plates (31), the plurality of groups of telescopic plates (31) are opposite to the sliding grooves, the two ends of the plurality of groups of telescopic plates (31) are respectively installed on the stirring blade (3) and the following plate (27), the telescopic plate (31) is of a telescopic structure, and the plurality of groups of telescopic plates (31) shield the sliding grooves.

5. A syringe for injectable bone cement according to claim 4, characterized in that: The outer shell (11) on the outer side of the stirring blade (3) is provided with a liquid level sensor, the liquid level sensor is located on one side of one temperature difference plate A (4), a plurality of groups of material cylinders (16) are arranged, the plurality of groups of material cylinders (16) are installed on the outer shell (11), the material cylinder (16) is provided with a valve and a displacement sensor, the valve is installed in the middle of the material cylinder (16), the displacement sensor is installed on the lower side of the material cylinder (16), and the valve and the displacement sensor are electrically connected with the control system. The inner sleeve (17) is installed on the outer shell (11), the inner sleeve (17) is provided with liquid inlets (171) in communication with the inside, and a plurality of liquid inlets (171) are provided, and the plurality of liquid inlets (171) are respectively connected with the material cylinders (16) through pipelines.

6. A syringe for injectable bone cement according to claim 5, characterized in that: The outer shell (11) close to the inner sleeve (17) is provided with a material pushing plate (15) installed through a spring sliding, the material pushing plate (15) penetrates through the outer shell (11) and is connected with a connecting rod (151), the connecting rod (151) is connected with the feeding plate (28), the inner sleeve (17) and the injection pipe (18) are in communication, the material pushing plate (15) is provided with a mark, and the outer shell (11) close to the material pushing plate (15) is provided with a scale.

7. A syringe for injectable bone cement according to claim 6, characterized in that: The outer shell (11) close to the stirring blade (3) is provided with a feeding port (14), one side of the feeding port (14) is provided with an on-off valve (13), the on-off valve (13) is installed on the outer shell (11), and the on-off valve (13) is electrically connected with the control system.

8. A syringe for injectable bone cement according to claim 7, characterized in that: The upper side of the rotating plate (24) is provided with a driving rod (2), and the driving rod (2) and the outer shell (11) are slidingly connected.

9. A syringe for injectable bone cement according to claim 8, characterized in that: The feeding port (14) and the outer shell (11) are connected in a buckle type, the other side of the feeding port (14) is provided with a handle (12), and the handle (12) is installed on the outer shell (11).

10. A syringe for injectable bone cement according to claim 9, characterized in that: The outer shell (11) is provided with a control panel (1), the control panel (1) is provided with a control system, and the outer shell (11) on the outer side of the inner sleeve (17) is provided with a through groove in communication with the external atmosphere.

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