Three-way pipeline for high-viscosity bone cement injectionTechnical Field
The invention relates to the technical field of medical equipment, in particular to a three-way pipeline for high-viscosity bone cement injection.
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. The bone cement is difficult to inject due to high viscosity and single injection effect, and is inconvenient for operation, so that a three-way pipeline for injecting the high-viscosity bone cement is needed.
Disclosure of Invention
The invention aims to provide a three-way pipe for high-viscosity bone cement injection, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a tee bend pipeline for injection of high viscosity bone cement, includes the injection frame, install the injection tube in the injection frame, injection tube left end integration is connected with the injection head, the injection head is connected with the three-way valve, the three-way valve is connected with injection tube one end respectively, the injection tube other end is connected with the syringe needle, the injection tube upper end is connected with the inlet pipe, the fixed curb plate that is provided with in right side in the injection frame, curb plate and injection frame right side wall wear to be equipped with first screw rod through screw thread lateral rotation, first screw rod left end stretches into in the injection tube and fixedly connected with piston head, first screw rod right-hand member fixedly connected with rolling disc.
As a further scheme of the invention: the left end of the injection frame is rotatably connected with a sealing flange through threads, the sealing flange is sleeved on the outer surface of the injection tube, and a rubber sealing ring is arranged between the sealing flange and the injection tube.
As a further scheme of the invention: the inlet pipe upper end stretches out outside the injection frame up end, install the ball valve in the inlet pipe, be provided with the valve opening in the middle of the ball valve, the ball valve right-hand member rotates and connects horizontal pole one end, the horizontal pole other end stretches out the outer and fixedly connected with bull stick of injection frame right side wall.
As a further scheme of the invention: the three-way valve is including indulging the frame, it is connected with rectangle frame and material frame respectively to indulge in the middle of the both ends about the frame, the material frame is connected with the injection head, left side wall connection has the fixed block in the rectangle frame, fixed block and rectangle frame left side wall are worn to be equipped with the second screw rod through the screw rotation, the second screw rod left end stretches out outside the rectangle frame and fixedly connected with changes the handle, the second screw rod right-hand member rotates and is connected with the valve block, be provided with the material chamber with material frame intercommunication in the valve block, material chamber intercommunication has first discharge gate and second discharge gate.
As a further scheme of the invention: the material cavity, the first discharge hole and the front side of the longitudinal frame are communicated.
As a further scheme of the invention: the material cavity, the second discharge hole and the rear side of the longitudinal frame are communicated.
As a further scheme of the invention: the valve block is a rectangular block.
As a further scheme of the invention: the injection tube is a rubber hose.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a three-way pipeline for injecting high-viscosity bone cement, which has simple structure and clear and understandable structure, the bone cement injection device comprises an injection frame, the bone cement is injected into the injection frame from a feed pipe, a rotating disc is held by a hand and a first screw rod is rotated to push a piston head to move left, the bone cement is pushed into a three-way valve and enters into the injection pipe to be output through an injection needle to realize the injection of the bone cement, a rotating handle is held by the hand and a second screw rod is rotated to drive a valve block to move transversely, when a cavity, a first discharge hole and the front side of a longitudinal frame are communicated, the injection pipe and the injection needle on the front side can carry out injection, the valve block is continuously moved, when the material cavity, the second discharge hole and the rear side of the longitudinal frame are communicated, the injection pipe and the injection needle on the front side and the rear side can carry out injection, when the material frame and the longitudinal frame are communicated, the injection pipe and the injection needle, can realize three operation modes of unilateral bone cement injection, bilateral simultaneous bone cement injection, bilateral alternate bone cement injection and the like, has convenient control, simple operation and strong functionality, and is worthy of popularization.
Drawings
FIG. 1 is a schematic view showing the overall structure of a tee pipe for high viscosity bone cement injection;
FIG. 2 is a schematic diagram of an injection frame structure of a tee pipe for high viscosity bone cement injection;
FIG. 3 is a schematic view of a three-way valve closing structure of a three-way pipe for high viscosity bone cement injection;
FIG. 4 is a schematic structural diagram of a three-way valve when front side injection pipes of a three-way pipeline for high-viscosity bone cement injection are communicated;
FIG. 5 is a schematic structural diagram of a three-way valve when a rear injection pipe of a three-way pipeline for high-viscosity bone cement injection is communicated;
FIG. 6 is a schematic structural diagram of a three-way valve used for communicating front and rear injection pipes of a three-way pipe for high-viscosity bone cement injection.
In the figure: 1-injection needle, 2-injection tube, 3-three-way valve, 4-injection frame, 5-injection tube, 6-rotating disc, 7-first screw, 8-side plate, 9-piston head, 10-sealing flange, 11-injection head, 12-ball valve, 13-feeding tube, 14-valve hole, 15-cross bar, 16-rotating bar, 17-second screw, 18-rotating handle, 19-fixing plate, 20-rectangular frame, 21-longitudinal frame, 22-first discharge port, 23-material frame, 24-material cavity, 25-second discharge port and 26-valve block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a tee bend pipeline for injection of high viscosity bone cement, includesinjection frame 4, installinjection tube 5 in theinjection frame 4, 5 left ends integrations of injection tube are connected with injection head 11, injection head 11 is connected with three-way valve 3, 2 one end of injection tube are connected respectively to three-way valve 3, 2 other ends of injection tube are connected withsyringe needle 1, 5 upper ends of injection tube are connected withinlet pipe 13, thefixed curb plate 8 that is provided with ininjection frame 4 right side,curb plate 8 andinjection frame 4 right side wall wear to be equipped withfirst screw rod 7 through screw thread lateral rotation, 7 left ends of first screw rod stretch into in theinjection tube 5 and fixedly connected withpiston head 9, 7 right-hand member fixedly connected withrolling disc 6 of first screw rod.
The bone cement injection device comprises aninjection frame 4, bone cement is injected into theinjection frame 4 from afeeding pipe 13, a rotatingdisc 6 is held by a hand and afirst screw 7 is rotated to push apiston head 9 to move leftwards, the bone cement is pushed into a three-way valve 3, the bone cement enters aninjection pipe 2 and is output through an injection needle 1, and the bone cement injection is realized.
The left end of theinjection frame 4 is rotatably connected with asealing flange 10 through threads, thesealing flange 10 is sleeved on the outer surface of theinjection tube 5, and a rubber sealing ring is arranged between the sealingflange 10 and theinjection tube 5, so that the installation sealing performance of theinjection tube 5 is guaranteed.
Theinlet pipe 13 upper end stretches out outside 4 up ends of injection frame, installball valve 12 in theinlet pipe 13, be provided withvalve opening 14 in the middle of theball valve 12,ball valve 12 right-hand member rotates and connects 15 one ends of horizontal pole, thehorizontal pole 15 other end stretches out the outer and fixedly connected withbull stick 16 of 4 right side walls of injection frame.
Bone cement is injected into theinjection tube 5 from thefeeding pipe 13, and after the injection is finished, the rotatingrod 16 is held by a hand and thecross rod 15 is rotated to drive theball valve 12 to rotate, so that thefeeding pipe 13 and theinjection tube 5 are closed.
Three-way valve 3 is includingindulging frame 21, it is connected withrectangle frame 20 andmaterial frame 23 respectively to indulge in the middle of theframe 21 left and right ends,material frame 23 is connected with injection head 11, left side wall is connected withfixed block 19 in therectangle frame 20,fixed block 19 and the 20 left side wall of rectangle frame wear to be equipped withsecond screw rod 17 through the screw rotation,second screw rod 17 left end stretches outrectangle frame 20 outer and fixedly connected with commentaries onclassics handle 18,second screw rod 17 right-hand member rotates and is connected withvalve block 26, be provided with thematerial chamber 24 withmaterial frame 23 intercommunication in thevalve block 26,material chamber 24 intercommunication hasfirst discharge gate 22 andsecond discharge gate 25,material chamber 24,first discharge gate 22 and the 21 front side intercommunication of indulging frame,material chamber 24,second discharge gate 25 and the 21 rear side intercommunication of indulging frame,valve block 26 is the rectangle piece setting,injection pipe 2 is rubber hose.
Thehandle 18 is rotated to the hand and thesecond screw 17 is rotated,valve block 26 lateral shifting can be driven, whenchamber 24,first discharge gate 22 and the front side ofvertical frame 21 communicate, theinjection tube 2 and the syringe needle 1 of front side can inject, continue to movevalve block 26, whenmaterial chamber 24,second discharge gate 25 andvertical frame 21 rear side communicate, theinjection tube 2 and the syringe needle 1 of rear side can inject, whenmaterial frame 23 andvertical frame 21 communicate, at this moment, theinjection tube 2 and the syringe needle 1 of front and back side all can inject.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.