CN113262035A - Bone cement propeller of vertebroplasty system - Google Patents
Bone cement propeller of vertebroplasty system Download PDFInfo
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- CN113262035A CN113262035A CN202110705126.9A CN202110705126A CN113262035A CN 113262035 A CN113262035 A CN 113262035A CN 202110705126 A CN202110705126 A CN 202110705126A CN 113262035 A CN113262035 A CN 113262035A
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- plate
- bone cement
- rod
- movable
- filling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8816—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the conduit, e.g. tube, along which fluid flows into the body or by conduit connections
Abstract
The invention discloses a bone cement propeller of a vertebroplasty system, which comprises: fill the sleeve pipe and fill the push rod, fill sheathed tube right-hand member and be the blind end, fill the right-hand member of push rod and penetrate from filling sheathed tube left end, fill sheathed tube pipe wall and be provided with bone cement and extrude the opening, bone cement extrudes the opening and is close to the blind end, the middle part of filling sheathed tube grab handle is provided with the sign. The bone cement propeller of the vertebral body forming system mainly comprises a filling sleeve and a filling push rod, due to the design of a closed end, bone cement can be injected outwards only through a bone cement extrusion opening on the filling sleeve, and the bone cement extrusion opening can realize the upward, forward and backward injection directions of the bone cement; the medical staff can also rotate the filling sleeve, and the bone cement extrusion opening rotates in the axis direction, so that the bone cement propeller of the vertebral body forming system can complete the directional injection of the bone cement upwards, downwards, inwards, outwards or in any direction at different injury and lesion parts of the vertebral body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a bone cement propeller of a vertebroplasty system.
Background
The existing bone cement propeller mainly has the following defects that bone cement can only be injected forwards, and cannot be injected upwards, downwards, inwards, outwards or directionally in any direction aiming at different damaged and damaged parts of a vertebral body, so that the bone cement is difficult to be injected to specific parts of the damaged and damaged parts of the vertebral body purposefully, and even the bone cement leaks into a vertebral canal or outside the vertebral body to form operation complications sometimes, and the expected operation effect cannot be achieved. Therefore, there is a need for a bone cement pusher for a vertebroplasty system that at least partially solves the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a bone cement pusher for a vertebroplasty system, comprising:
fill the sleeve pipe and fill the push rod, fill sheathed tube right-hand member is the blind end, the right-hand member of filling the push rod is followed fill sheathed tube left end and penetrate, fill sheathed tube pipe wall and be provided with bone cement and extrude the opening, bone cement extrudes the opening and is close to the blind end, the middle part of fill sheathed tube grab handle is provided with the sign, the sign with bone cement extrudes the opening and is located same straight line.
Preferably, wherein the closed end is hemispherical, and a right edge of the bone cement extrusion opening coincides with a right edge line of the closed end.
Preferably, a first baffle plate is arranged on the right side of the bone cement extrusion opening, the upper end of the first baffle plate is connected with the right side of the bone cement extrusion opening, and the lower end of the first baffle plate is close to the closed end, so that the first baffle plate is in a slope shape;
and a second baffle is arranged in the filling sleeve, the upper end of the second baffle is connected with the left side of the bone cement extrusion opening, and the lower end of the second baffle faces the first baffle, so that the second baffle is approximately parallel to the first baffle.
Preferably, a first movable barrier is arranged on the right side of the bone cement extrusion opening, the upper end of the first movable barrier is connected with the right side of the bone cement extrusion opening, and the lower end of the first movable barrier is selectively close to the closed end;
a second movable baffle is arranged in the filling sleeve, the second movable baffle is arranged on the left side of the bone cement extrusion opening, and the lower end of the second movable baffle selectively faces the first movable baffle;
the grab handle is provided with a first driving mechanism for controlling the first movable baffle and a second driving mechanism for controlling the second movable baffle.
Preferably, the first movable baffle includes an outer plate, an inner plate, a first inner spring and a torsion spring, the upper end of the outer plate is hinged to the right side of the bone cement extrusion opening, a groove is formed in the lower end of the outer plate, the inner plate is selectively received in the groove, the first inner spring is disposed in the groove and connected to the inner plate, two strip-shaped holes communicated with the groove are formed in the surface of the outer plate facing the closed end, a guide rod corresponding to the strip-shaped holes is disposed in the inner plate, one end of the torsion spring is connected to the surface of the outer plate facing the closed end, the other end of the torsion spring is connected to the inner wall of the filling sleeve close to the closed end, and the first driving mechanism is movably connected to the outer plate.
Preferably, a first cavity is arranged in the tube wall of the filling sleeve along the length direction of the tube wall, the first cavity is located below the bone cement extrusion opening and extends to a position close to the closed end, the first cavity is provided with a first lead, the right end of the first lead penetrates through the right end of the first cavity and extends to be connected with the outer plate, and the left end of the first lead is connected with the first driving mechanism.
Preferably, wherein the second movable barrier includes a flat plate, a movable plate, and a second inner spring;
a second cavity is arranged in the pipe wall of the filling sleeve along the length direction of the filling sleeve, the second cavity is positioned on the left side of the bone cement extrusion opening, and the right side end of the second cavity is close to the left side of the bone cement extrusion opening;
the horizontal plate and the second inner spring are arranged in the second cavity, the right end of the horizontal plate is connected with the upper end of the movable plate, the horizontal plate and the movable plate are made of memory alloy, a second lead and a baffle ring are arranged in the second cavity, the right end of the second lead penetrates through the baffle ring to be connected with the left end of the horizontal plate, the second inner spring is sleeved on the horizontal plate and located between the baffle ring and the movable plate, the left end of the second lead is connected with the second driving mechanism, and a strip-shaped opening corresponding to the movable plate is arranged on the pipe wall of the filling sleeve.
Preferably, a first sliding groove and a second sliding groove are respectively arranged on the two holding rods of the grab handle, the first sliding groove and the second sliding groove are positioned on two sides of the filling sleeve, the first sliding groove is communicated with the first cavity, the second sliding groove is communicated with the second cavity, a first clamping groove, a second clamping groove and a third clamping groove are arranged in the first sliding groove, and a fourth clamping groove and a fifth clamping groove are arranged on the second sliding groove;
the first driving mechanism comprises a first sliding rod and a first clamping rod, the first sliding rod is movably arranged in the first sliding groove, the upper end of the first sliding rod is connected with the left end of the first lead, the first clamping rod is arranged at the lower end of the first sliding rod and can be selectively clamped in the first clamping groove, the second clamping groove or the third clamping groove;
the second driving mechanism comprises a second sliding rod and a second clamping rod, the lower end of the second sliding rod is connected with the left end of the second lead, and the second clamping rod is arranged at the upper end of the second sliding rod and can be selectively clamped in the fourth clamping groove or the fifth clamping groove.
Preferably, the method further comprises the following steps: automatic propeller and multiaxis arm, automatic propeller sets up on the free end of multiaxis arm, automatic propeller includes box, electric putter and controller, be provided with the through-hole on the left side wall of box, electric putter's push rod passes the through-hole, be provided with the scale mark on the push rod, and be provided with splint on the free end of push rod, splint are used for connecting pack the handle that pushes away on the push rod, the controller sets up on the box and with the electric putter electricity is connected.
Preferably, a fixing mechanism is arranged at the bottom of the multi-axis mechanical arm, the fixing mechanism comprises a fixed plate, a first supporting cover arranged on the fixed plate, and a second supporting cover arranged on the first supporting cover, the multi-axis mechanical arm is arranged on the second supporting cover, a movable transverse plate, a vertical rod and a plurality of lower supporting mechanisms are arranged in the second supporting cover, the vertical rod is arranged on the movable transverse plate, a guide notch is arranged at the end part of the movable transverse plate, a vertical guide convex strip corresponding to the guide notch is arranged on the inner wall of the second supporting cover, a first piston sleeve is arranged on the inner wall of the second supporting cover, a guide strip-shaped hole is arranged on the outer wall of the vertical rod, a first piston rod and a first spring are arranged in the first piston sleeve, and the first spring abuts against the first piston rod, one end of the first piston rod, which is far away from the first spring, is positioned in the guide strip-shaped hole;
it is a plurality of lower supporting mechanism all establishes the below of movable diaphragm, lower supporting mechanism includes U template, lower U template and a plurality of intermediate junction portion, the U template sets up down the upper surface of fixed plate, go up the U template with the lower surface of movable diaphragm is connected, and is a plurality of intermediate junction portion passes through middle disc interconnect, intermediate junction portion includes second piston sleeve, second piston rod, second spring, movable rod, the one end of movable rod with middle disc is articulated, the other end with the second piston sleeve is connected, the second piston rod the second spring sets up in the second piston sleeve, the second spring is supporting and is being pushed against the second piston rod, go up the U template the tip of U template is provided with and is connected with the third spring down.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the bone cement propeller of the vertebral body forming system mainly comprises a filling sleeve and a filling push rod, due to the design of a closed end, bone cement can be injected outwards only through a bone cement extrusion opening on the filling sleeve, and the bone cement extrusion opening can realize the upward, forward and backward injection directions of the bone cement; medical personnel can also rotate the filling sleeve, realizes that bone cement extrudes the ascending rotation of opening in the axis direction, and then makes this centrum forming system bone cement propeller can accomplish upwards, downwards, inside, outside or the directional injection of arbitrary direction bone cement in the different damage lesion position of centrum.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a bone cement pusher for a vertebroplasty system according to the present invention.
Fig. 2 is a schematic structural view illustrating forward injection of bone cement in the bone cement pusher for a vertebroplasty system according to the present invention.
Fig. 3 is a schematic structural view illustrating backward injection of cement in the cement pusher for a vertebroplasty system according to the present invention.
Fig. 4 is a schematic structural view of a first movable baffle in the bone cement pusher of the vertebroplasty system according to the present invention.
Fig. 5 is a schematic diagram of a second movable baffle in the bone cement pusher of the vertebroplasty system according to the present invention.
Fig. 6 is a schematic structural view of a second movable baffle in a second cavity of the bone cement pusher for a vertebroplasty system according to the present invention.
Fig. 7 is another structural view of the first movable baffle of the bone cement pusher for a vertebroplasty system according to the present invention.
Fig. 8 is a structural schematic view of a grip handle in the bone cement pusher of the vertebroplasty system according to the present invention.
Fig. 9 is a schematic structural view of a fixing mechanism in the bone cement pusher of the vertebroplasty system according to the present invention.
FIG. 10 is a top view of the movable cross plate in the bone cement pusher of the vertebroplasty system according to the present invention.
Fig. 11 is a schematic structural view of a lower support mechanism in the bone cement pusher of the vertebroplasty system according to the present invention.
Arrows in fig. 2 and 3 indicate the injection direction of the bone cement.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in FIG. 1, the present invention provides a cement pusher for a vertebroplasty system, comprising:
filling sleeve 1 and packing push rod 2, the right-hand member of filling sleeve 1 is blind end 3, the right-hand member of filling push rod 2 is followed the left end of filling sleeve 1 penetrates, the pipe wall of filling sleeve 1 is provided with bone cement and extrudes opening 4, bone cement extrudes opening 4 and is close to blind end 3, the middle part of the grab handle 5 of filling sleeve 1 is provided with sign 6, the sign with bone cement extrudes opening 4 and is located the collinear.
The working principle and the beneficial effects of the technical scheme are as follows: the invention provides a bone cement propeller of a vertebral body forming system, which mainly comprises a filling sleeve 1 and a filling push rod 2, wherein when a medical worker uses the bone cement propeller of the vertebral body forming system, the right end of the filling push rod 2 is penetrated from the left end of the filling sleeve 1 of 1, and then the filling push rod 2 is pushed forcibly, so that the bone cement of the filling sleeve 1 is extruded, due to the design of a closed end 3, the bone cement can only be injected outwards through a bone cement extrusion opening 4 on the filling sleeve 1, and the bone cement extrusion opening 4 can realize the upward, forward and backward injection directions of the bone cement; medical personnel can also rotate filling sleeve 1, realizes that bone cement extrudes opening 4 and upwards rotates in the axis direction, and then makes this centrum forming system bone cement propeller can accomplish upwards, downwards, inside, outside or the directional injection of arbitrary direction bone cement in the different damage lesion position of centrum.
In one embodiment, as shown in fig. 2, the closed end 3 is hemispherical, and the right edge of the cement extrusion opening 4 coincides with the right edge line of the closed end 3.
The working principle of the technical scheme is as follows: in order to realize the bone cement propeller of the vertebroplasty system of the present invention, bone cement can be injected forward in a directional manner, the closed end 3 is designed to be hemispherical, and simultaneously, the right edge of the bone cement extrusion opening 4 coincides with the right edge line of the closed end 3, so that the bone cement is prevented from accumulating in the filling sleeve 1, and the forward directional injection of the bone cement is also prevented from being influenced.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, closed end 3 is hemispherical in this embodiment, and simultaneously, the right margin that bone cement extruded opening 4 coincides with the right margin line of closed end 3, avoids bone cement to gather at filling sleeve 1 like this, also avoids influencing the directional injection bone cement forward.
In one embodiment, a first baffle 7 is arranged on the right side of the bone cement extrusion opening 4, the upper end of the first baffle 7 is connected with the right side of the bone cement extrusion opening 4, and the lower end of the first baffle 7 is close to the closed end 3, so that the first baffle 7 is in a slope shape;
a second baffle plate 18 is arranged in the filling sleeve 1, the upper end of the second baffle plate 18 is connected with the left side of the bone cement extrusion opening 4, and the lower end of the second baffle plate 18 faces the first baffle plate 7, so that the second baffle plate 4 is approximately parallel to the first baffle plate 7.
The working principle of the technical scheme is as follows: in order to realize the bone cement pusher of the vertebroplasty system of the present invention, which can inject bone cement forward and backward, a first baffle 7 and a second baffle 18 are designed in the filling cannula 1, oppositely clamped on both sides of the bone cement extrusion opening 4, and are designed obliquely so that the injection direction of the bone cement is backward, wherein the length of the second baffle 18 is about 1/2 of the inner diameter of the second baffle 18, so that the bone cement is injected by extrusion at the second baffle 18 and under the cooperation of the first baffle 7, the direction of the straight line is changed to be obliquely backward.
The beneficial effects of the above technical scheme are that: by the above-described structural design, the first baffle 7 and the second baffle 18 are provided in the present embodiment, which are oppositely sandwiched on both sides of the bone cement extrusion opening 4, and are obliquely designed so that the injection direction of the bone cement is rearward.
As shown in fig. 4 to 7, in one embodiment, a first movable fence 8 is provided at the right side of the bone cement extruding opening 4, the upper end of the first movable fence 8 is connected to the right side of the bone cement extruding opening 4, and the lower end of the first movable fence 8 is selectively adjacent to the closed end 3;
a second movable baffle 9 is arranged in the filling sleeve 1, the second movable baffle 9 is arranged at the left side of the bone cement extrusion opening 4, and the lower end of the second movable baffle is selectively towards the first movable baffle 8;
the grip 5 is provided with a first drive mechanism 10 for controlling the first movable barrier 8, and a second drive mechanism 11 for controlling the second movable barrier 9.
The working principle of the technical scheme is as follows: in order to further realize the directional injection of the bone cement propeller of the vertebroplasty system of the present invention in any direction, a first movable baffle 8 and a second movable baffle 9 are designed in the filling sleeve 1, wherein the first movable baffle 8 is located at the right side of the bone cement extrusion opening 4, the second movable baffle 9 is located at the left side of the bone cement extrusion opening 4, when the bone cement propeller of the vertebroplasty system is used for the directional injection in the backward direction, the structure is shown in fig. 4, and at this time, the first movable baffle 8 and the second movable baffle 9 are inclined, i.e. similar to the using state shown in fig. 3; when the bone cement propeller of the vertebroplasty system needs to inject backwards in a directional manner, a medical worker uses the second driving mechanism 11 to change the direction of the second movable baffle 9, so that the second movable baffle 9 is accommodated in the filling sleeve 1, the first driving mechanism 10 controls the position of the first movable baffle 8 to be vertical to the axial direction of the filling sleeve 1, and at the moment, bone cement can be injected upwards in a directional manner; when the bone cement pusher of the vertebroplasty system is required to be injected with a forward orientation, the medical staff uses the first driving mechanism 10 to make the first movable barrier 8 obliquely away from the closed end 3, similar to the use state shown in fig. 2, and then the bone cement can be injected with a forward orientation.
The beneficial effects of the above technical scheme are that: through the design of the structure, the first movable baffle 8 and the second movable baffle 9 are provided in the embodiment, so that the bone cement propeller of the vertebral body forming system can realize directional bone cement injection in any direction such as backward direction, upward direction, forward direction and the like, the use requirement is met, and the bone cement propeller has the effect of serving multiple purposes.
As shown in fig. 4 and 7, in one embodiment, the first movable barrier 8 includes an outer plate 81, an inner plate 82, a first inner spring 83 and a torsion spring 84, the upper end of the outer plate 81 is hinged with the right side of the bone cement extrusion opening 4, the lower end of the outer plate 81 is provided with a groove 85, the inner plate 82 is selectively received in the groove 85, the first inner spring 83 is disposed in the groove 85 and coupled to the inner plate 82, the surface of the outer plate 81 facing the closed end 3 is provided with two strip-shaped holes communicated with the groove 85, the inner plate 82 is provided with a guide rod corresponding to the strip-shaped hole, one end of the torsion spring 84 is connected with the surface of the outer plate 81 facing the closed end 3, the other end is connected with the inner wall of the filling sleeve 1 close to the closed end 3, and the first driving mechanism 10 is movably connected with the outer plate 81.
The working principle of the technical scheme is as follows: since the first movable fence 8 is direction-changeable inside the filling sleeve 1, the present embodiment provides a specific structure for realizing the first movable fence 8, specifically, the first movable fence 8 includes an outer plate 81, an inner plate 82, a first inner spring 83 and a torsion spring 84, the lower end of the outer plate 81 is provided with a groove 85, the inner plate 82 is movably mounted in the groove 85 by the first inner spring 83, so that when the outer plate 81 is in an oblique direction toward the closed end 3, the inner plate 82 is pushed out by the first inner spring 83, and at this time, bone cement can be injected in a rearward direction; when the outer plate 81 is in the axial direction perpendicular to the filling pipe 1, the inner plate 82 is relatively contracted a little in the groove 85, the first inner spring 83 is compressed a little, and then the bone cement can be injected in an upward direction; when the outer plate 81 is in an oblique direction away from the closed end 3, the inner plate 82 is pushed out by the first inner spring 83, and then bone cement can be injected in a forward direction; wherein the torsion spring 84 plays a role of pushing the outer plate 81 in this process, and of course, the medical staff needs to use the first driving mechanism 10 to change the state of the outer plate 81.
The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment provides a specific structure of the first movable barrier 8, the first movable barrier 8 comprises an outer plate 81, an inner plate 82, a first inner spring 83 and a torsion spring 84, the structure is simple, and the direction of the first movable barrier 8 can be conveniently changed, so that the bone cement can be directionally injected in the backward direction, the upward direction, the forward direction and the like.
As shown in fig. 4-7, in one embodiment, a first cavity 12 is disposed in the tube wall of the filling sleeve 1 along the length direction thereof, the first cavity 12 is located below the bone cement extrusion opening 4 and extends to a position close to the closed end 3, the first cavity 12 is provided with a first lead 13, the right end of the first lead 13 passes through the right end of the first cavity 12 and extends to be connected with the outer plate 81, and the left end of the first lead 13 is connected with the first driving mechanism 10.
The working principle of the technical scheme is as follows: a first cavity 12 is arranged in the tube wall of the filling sleeve 1 along the length direction thereof, the first driving mechanism 10 is connected with the first movable baffle 8 through a first wire 13, specifically, the first wire 13 is arranged in the first cavity 12 in a penetrating manner, the first driving mechanism 10 is pulled to the first wire 13, the first wire 13 further pulls the outer plate 81, and the pushing force of the torsion spring 84 is matched to enable the outer plate 81 in the first movable baffle 8 to be in different directions; when the first lead 13 is prevented from being loosened towards the outer plate 81, the outer plate 81 is away from the closed end 3 under the action of the torsion spring 84, wherein the outer plate is in a vertical state or an oblique state, and the action is controlled by the first driving mechanism 10; when the first lead 13 is tightened toward the outer plate 81, the outer plate 81 can be changed from the oblique state to the vertical state, and then from the vertical state to the oblique state toward the closed end.
The beneficial effects of the above technical scheme are that: through the design of the above structure, the first cavity 12 and the first lead 13 are provided in the present embodiment, and the matching between the torsion spring 84 and the first driving mechanism 10 realizes the direction change of the outer plate 81, and since the first lead 13 is designed in the first cavity 12 and the first cavity 12 is designed in the tube wall of the filling cannula 1, the movement of the bone cement in the filling cannula 1 is not influenced, and the bone cement is not accumulated.
As shown in fig. 4-6, in one embodiment, the second movable shutter 9 includes a flat plate 91, a movable plate 92, and a second inner spring 93;
a second cavity 14 is arranged in the tube wall of the filling sleeve 1 along the length direction of the filling sleeve, the second cavity 1 is positioned on the left side of the bone cement extrusion opening 4, and the right side end of the second cavity 14 is close to the left side of the bone cement extrusion opening 4;
the flat plate 91 and the second inner spring 93 are both arranged in the second cavity 14, the right end of the flat plate 91 is connected with the upper end of the movable plate 92, the flat plate 91 and the movable plate 92 are both made of memory alloy, a second lead 15 and a stop ring 16 are arranged in the second cavity 14, the right end of the second lead 15 penetrates through the stop ring 16 to be connected with the left end of the flat plate 91, the second inner spring 93 is sleeved on the flat plate 91 and is positioned between the stop ring 16 and the movable plate 92, the left end of the second lead 15 is connected with the second driving mechanism 11, and a strip-shaped opening 17 corresponding to the movable plate 92 is arranged on the pipe wall of the filling sleeve 1.
The working principle of the technical scheme is as follows: since the second movable barrier 9 is direction-changeable within the filling sleeve 1, the present embodiment provides a specific structure that realizes the second movable barrier 9, specifically, the second movable barrier 9 includes a flat plate 91, a movable plate 92, and a second inner spring 93; when the bone cement propeller of the vertebroplasty system injects bone cement in an upward and forward direction, the second movable baffle 9 needs to be stored and hidden in the filling sleeve 1, so that resistance to the bone cement cannot be generated, a second cavity 14 is arranged in the tube wall of the filling sleeve 1 along the length direction of the tube wall, a strip-shaped opening 17 corresponding to the movable plate 92 is arranged on the tube wall of the filling sleeve 1, a medical worker controls the second movable baffle 9 by using a second driving mechanism 11, the second driving mechanism 11 pulls a second lead 15, the flat plate 91 and the movable plate 92 are further contracted to the second cavity 14, and the end part of the movable plate 92 far away from the flat plate 91 can be just plugged in the strip-shaped opening 17, so that the bone cement is prevented from entering the strip-shaped opening 17; when the bone cement pusher of the vertebroplasty system is used for injecting in a rearward direction, the medical staff uses the second control mechanism 11 to prevent the second lead 15 from being loosened in the direction of the bone cement extrusion opening 4, the movable plate 92 is pushed out of the second cavity 14 again under the action of the second inner spring 93, and the flat plate 91 and the movable plate 92 are both made of memory alloy, so that the movable plate 92 is also in an oblique direction after entering the filling cannula 1.
The beneficial effects of the above technical scheme are that: through the design of the above structure, the present embodiment provides the second movable baffle 9, the second cavity 14, the second wire 15, and the like, the second movable baffle 9 includes the flat plate 91, the movable plate 92 and the second inner spring 93, and the flat plate 91 and the movable plate 92 are both made of memory alloy, and through the cooperation of the second driving mechanism 11 and the second wire 15, the second movable baffle 9 can be conveniently accommodated or extended in the second cavity 14, and further cooperate with the first movable baffle 8 to realize the backward directional injection of bone cement.
As shown in fig. 8, in an embodiment, a first sliding groove 52 and a second sliding groove 53 are respectively disposed on two holding rods 51 of the handle 5, the first sliding groove 52 and the second sliding groove 53 are located at two sides of the filling sleeve 1, the first sliding groove 52 is communicated with the first cavity 12, the second sliding groove 53 is communicated with the second cavity 14, a first locking groove 54, a second locking groove 55 and a third locking groove 56 are disposed in the first sliding groove 52, and a fourth locking groove 57 and a fifth locking groove 58 are disposed on the second sliding groove 53;
the first driving mechanism 10 includes a first slide bar 101, a first locking bar 102, the first slide bar 101 is movably disposed in the first sliding slot 52, an upper end of the first slide bar 101 is connected to a left end of the first wire 13, the first locking bar 102 is disposed at a lower end of the first slide bar 101 and is selectively locked in the first locking groove 54, the second locking groove 55, or the third locking groove 56;
the second driving mechanism 11 includes a second sliding rod 111 and a second locking rod 112, a lower end of the second sliding rod 111 is connected to a left end of the second wire 15, and the second locking rod 112 is disposed at an upper end of the second sliding rod 111 and is selectively locked in the fourth locking slot 57 or the fifth locking slot 58.
The working principle of the technical scheme is as follows: in order to realize that the medical staff can conveniently use the first control mechanism 10 and the second control mechanism 11, in this embodiment, a first sliding groove 52 and a second sliding groove 53 are respectively arranged on two holding rods 51 of the handle 5, the first driving mechanism 10 is installed in the first sliding groove 52, the second driving mechanism 11 is installed in the second sliding groove 53, when the medical staff uses the first driving mechanism 10 for driving, when the first clamping rod 102 is in the first clamping groove 54, the outer plate 81 is in an oblique state facing the closed end 3, the first clamping rod 102 in the second driving mechanism 11 is in the fourth clamping groove 57, at this time, the medical staff uses the filling push rod 2 to push the bone cement in the filling sleeve 1, and the bone cement is injected backwards in a directional manner through the outer plate 81 and the movable plate 92; when the first catch lever 102 is in the second catch groove 55, the outer plate 81 is perpendicular to the axis of the filling cannula 1, the first catch lever 102 in the second driving mechanism 11 is in the fifth catch groove 58, and the movable plate 92 is received in the second cavity 14, at this time, the medical staff uses the filling push rod 2 to push the bone cement in the filling cannula 1, and the bone cement is injected upwards through the outer plate 81; when the first catch lever 102 is in the third catch groove 56, the outer plate 81 is in an inclined state away from the closed end 3, the first catch lever 102 in the second driving mechanism 11 is in the fifth catch groove 58, and the movable plate 92 is received in the second cavity 14, at which time the medical staff pushes the bone cement in the filling cannula 1 by using the filling push rod 2, and the bone cement is injected forwardly and directionally through the outer plate 81.
The beneficial effects of the above technical scheme are that: through the design of the structure, the first driving mechanism 10, the second driving mechanism 11, the first sliding chute 52, the second sliding chute 53 and other structures are provided in the embodiment, so that the medical staff can conveniently use the first driving mechanism 10 and the second driving mechanism 11 to realize the direction transformation of the first movable baffle 8 and the second movable baffle 9, and further realize the directional injection of bone cement.
In one embodiment, further comprising: automatic propeller and multiaxis arm (not shown), automatic propeller sets up on the free end of multiaxis arm, automatic propeller includes box, electric putter and controller, be provided with the through-hole on the left side wall of box, electric putter's push rod passes the through-hole, be provided with the scale mark on the push rod, and be provided with splint on the free end of push rod, splint are used for connecting fill push rod 2 on push away the handle, the controller sets up on the box and with the electric putter electricity is connected.
The working principle of the technical scheme is as follows: in the embodiment, the bone cement propeller of the vertebral body forming system is provided with the automatic propeller and the free end of the multi-axis mechanical arm, the automatic propeller is arranged at the free end of the multi-axis mechanical arm, and medical personnel use the control mechanism of the multi-axis mechanical arm to adjust the automatic propeller, so that the multi-axis mechanical arm can adjust the automatic propeller to a proper spatial position; after bone cement propeller of centrum forming system entered into patient's disease position, medical personnel will fill pushing away the handle on the push rod 2 and install on splint, will fill sleeve pipe 1 again and inject the direction regulation back and fix, medical personnel reuse the controller and start electric putter, electric putter passes through the push rod and then promotes and fill push rod 2, fills push rod 2 and is pushed and fill sleeve pipe 1 for bone cement extrudes opening 4 and is injected away through the bone cement on filling sleeve pipe 1.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided automatic propeller and multiaxis arm in this embodiment, automatic propeller can replace medical personnel's manual operation to promote and fill push rod 2, uses the controller can slowly, stably realize having ensured bone cement's injection volume to filling the accurate promotion of push rod 2.
As shown in fig. 9 to 11, in one embodiment, a fixing mechanism 30 is disposed at the bottom of the multi-axis robot arm, the fixing mechanism 30 includes a fixing plate 301, a first support cover 302 disposed on the fixing plate 301, a second support cover 303 disposed on the first support cover 302, the multi-axis robot arm is disposed on the second support cover 303, a movable horizontal plate 304, a vertical rod 305 and a plurality of lower support mechanisms 32 are disposed in the second support cover 303, the vertical rod 305 is disposed on the movable horizontal plate 304, a guide notch 306 is disposed at an end of the movable horizontal plate 304, a vertical guide protrusion 307 corresponding to the guide notch 306 is disposed on an inner wall of the second support cover 303, a first piston sleeve 308 is disposed on an inner wall of the second support cover 303, a guide strip-shaped hole 309 is disposed on an outer wall of the vertical rod 305, a first piston rod 310 and a first spring 311 are disposed in the first piston sleeve 308, the first spring 311 abuts against the first piston rod 310, and one end of the first piston rod 310, which is far away from the first spring 311, is located in the guide strip-shaped hole 309;
the plurality of lower support mechanisms 32 are all arranged below the movable transverse plate 304, each lower support mechanism 32 comprises an upper U-shaped plate 321, a lower U-shaped plate 322 and a plurality of intermediate connecting parts, the lower U-shaped plate 322 is disposed on the upper surface of the fixed plate 301, the upper U-shaped plate 321 is connected to the lower surface of the movable cross plate 304, the plurality of intermediate connecting parts are connected to each other by an intermediate disk 324, the intermediate connection comprises a second piston sleeve 325, a second piston rod 326, a second spring 327, a movable rod 328, one end of the movable rod 328 is hinged to the middle disc 324, and the other end is connected to the second piston sleeve 325, the second piston rod 326 and the second spring 327 are disposed in the second piston sleeve 325, the second spring 327 abuts against the second piston rod 326, and a third spring 329 is connected to the end of the upper U-shaped plate 321 and the lower U-shaped plate 322.
The working principle of the technical scheme is as follows: the multi-axis mechanical arm is used for adjusting the spatial position of the automatic thruster, the fixing mechanism 30 is arranged at the bottom of the multi-axis mechanical arm, specifically, the fixing mechanism 30 comprises a fixing plate 301, a first support cover 302 and a second support cover 303, the second support cover 303 is supported by a lower support mechanism 32 in the first support cover 302, a movable transverse plate 304 and a vertical rod 305, meanwhile, the vertical rod 305 and the first support cover 302 are connected in the horizontal direction through a first piston sleeve 308, a first piston rod 310 and a first spring 311, and the horizontal shaking can be counteracted;
the lower support mechanism 32 is designed to counteract the vertical shaking in the vertical direction, specifically, the lower support mechanism 32 includes an upper U-shaped plate 321, a lower U-shaped plate 322 and a plurality of intermediate connecting portions, the upper U-shaped plate 321 and the lower U-shaped plate 322 are both made of elastic materials, the intermediate connecting portions include a second piston sleeve 325, a second piston rod 326, a second spring 327 and a movable rod 328, wherein the second piston rod 326 and the second spring 327 cooperate with each other in the vertical direction to counteract the shaking, and the intermediate connecting portions are designed in a plurality and are approximately uniformly distributed between the upper U-shaped plate 321 and the lower U-shaped plate 322, so that the shaking can be counteracted in other directions, and the stability of the multi-axis mechanical arm is further increased;
the guide notch 306, the vertical guide convex strip 307, the guide strip-shaped hole 309 and the first piston rod 310 play a role in guiding movement in the vertical direction, and the phenomenon of offset when the second support cover 303 moves up and down relative to the first support cover 302 is avoided.
The beneficial effects of the above technical scheme are that: the beneficial effects of the above technical scheme are that: through the design of the structure, the specific mechanism of the fixing mechanism 30 is provided in the embodiment, the fixing mechanism 30 is designed at the bottom of the multi-axis mechanical arm, the fixing mechanism 30 can counteract the shaking in the horizontal direction, and can counteract the shaking in the vertical direction and other directions, so that the stability of the multi-axis mechanical arm is further improved; and meanwhile, the phenomenon of offset when the second support cover 303 moves up and down relative to the first support cover 302 is avoided.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. A vertebroplasty system cement pusher, comprising:
the filling sleeve comprises a filling sleeve (1) and a filling push rod (2), wherein the right end of the filling sleeve (1) is a closed end (3), the right end of the filling push rod (2) penetrates through the left end of the filling sleeve (1), a bone cement extrusion opening (4) is formed in the wall of the filling sleeve (1), the bone cement extrusion opening (4) is close to the closed end (3), a mark (6) is arranged in the middle of a grab handle (5) of the filling sleeve (1), and the mark and the bone cement extrusion opening (4) are located on the same straight line;
the bone cement propeller of the vertebroplasty system further comprises: the automatic propeller is arranged at the free end of the multi-axis mechanical arm and comprises a box body, an electric push rod and a controller, a through hole is formed in the left side wall of the box body, the push rod of the electric push rod penetrates through the through hole, scale marks are arranged on the push rod, a clamping plate is arranged at the free end of the push rod and used for being connected with a push handle on the filling push rod (2), and the controller is arranged on the box body and electrically connected with the electric push rod;
the bottom of the multi-axis mechanical arm is provided with a fixing mechanism (30), the fixing mechanism (30) comprises a fixing plate (301), a first support cover (302) arranged on the fixing plate (301), and a second support cover (303) arranged on the first support cover (302), the multi-axis mechanical arm is arranged on the second support cover (303), a movable transverse plate (304), a vertical rod (305) and a plurality of lower support mechanisms (32) are arranged in the second support cover (303), the vertical rod (305) is arranged on the movable transverse plate (304), a guide notch (306) is arranged at the end part of the movable transverse plate (304), a vertical guide convex strip (307) corresponding to the guide notch (306) is arranged on the inner wall of the second support cover (303), and a first piston sleeve (308) is arranged on the inner wall of the second support cover (303), a guide strip-shaped hole (309) is formed in the outer wall of the vertical rod (305), a first piston rod (310) and a first spring (311) are arranged in the first piston sleeve (308), the first spring (311) abuts against the first piston rod (310), and one end, far away from the first spring (311), of the first piston rod (310) is located in the guide strip-shaped hole (309);
the lower support mechanisms (32) are arranged below the movable transverse plate (304), each lower support mechanism (32) comprises an upper U-shaped plate (321), a lower U-shaped plate (322) and a plurality of intermediate connecting parts, the lower U-shaped plates (322) are arranged on the upper surface of the fixed plate (301), the upper U-shaped plates (321) are connected with the lower surface of the movable transverse plate (304), the intermediate connecting parts are connected with each other through intermediate circular plates (324), each intermediate connecting part comprises a second piston sleeve (325), a second piston rod (326), a second spring (327) and a movable rod (328), one end of each movable rod (328) is hinged to the intermediate circular plate (324), the other end of each movable rod is connected with the second piston sleeve (325), and the second piston rod (326) and the second spring (327) are arranged in the second piston sleeve (325), the second spring (327) abuts against the second piston rod (326), and the end parts of the upper U-shaped plate (321) and the lower U-shaped plate (322) are provided with a third spring (323).
2. The cement thruster of a vertebroplasty system according to claim 1, characterized in that said closed end (3) is hemispherical and the right edge of said cement extrusion opening (4) coincides with the right edge line of said closed end (3).
3. Bone cement thruster according to the vertebroplasty system, characterized in that a first baffle (7) is provided to the right of the bone cement extrusion opening (4), the upper end of the first baffle (7) is connected to the right of the bone cement extrusion opening (4), and the lower end of the first baffle (7) is close to the closed end (3), so that the first baffle (7) is ramp-shaped;
a second baffle plate (18) is arranged in the filling sleeve (1), the upper end of the second baffle plate (18) is connected with the left side of the bone cement extrusion opening (4), and the lower end of the second baffle plate faces the first baffle plate (7), so that the second baffle plate (4) is approximately parallel to the first baffle plate (7).
4. The cement thruster for vertebroplasty system according to claim 1, wherein the first movable barrier (8) comprises an outer plate (81), an inner plate (82), a first inner spring (83) and a torsion spring (84), the upper end of the outer plate (81) is hinged to the right side of the cement extrusion opening (4), the lower end of the outer plate (81) is provided with a groove (85), the inner plate (82) is selectively received in the groove (85), the first inner spring (83) is disposed in the groove (85) and connected to the inner plate (82), the surface of the outer plate (81) facing the closed end (3) is provided with two strip holes communicating with the groove (85), the inner plate (82) is provided with a guide bar corresponding to the strip holes, one end of the torsion spring (84) is connected to the surface of the outer plate (81) facing the closed end (3), the other end of the first driving mechanism is connected with the inner pipe wall of the filling sleeve (1) close to the closed end (3), and the first driving mechanism (10) is movably connected with the outer plate (81).
5. The cement thruster of a vertebroplasty system according to claim 4, wherein a first cavity (12) is provided in the wall of the filling cannula along its length, said first cavity (12) is located below the cement extrusion opening (4) and extends to near the closed end (3), said first cavity (12) is provided with a first lead (13), the right end of said first lead (13) passes through the right end of said first cavity (12) and extends to be connected with the outer plate (81), and the left end of said first lead (13) is connected with the first driving mechanism (10).
6. Bone cement pusher of a vertebroplasty system according to claim 5, characterized in that said second movable barrier (9) comprises a flat plate (91), a movable plate (92) and a second inner spring (93);
a second cavity (14) is arranged in the pipe wall of the filling sleeve (1) along the length direction of the filling sleeve, the second cavity (1) is positioned on the left side of the bone cement extrusion opening (4), and the right side end of the second cavity (14) is close to the left side of the bone cement extrusion opening (4);
the flat plate (91) and the second inner spring (93) are both arranged in the second cavity (14), the right end of the horizontal plate (91) is connected with the upper end of the movable plate (92), and the flat plate (91) and the movable plate (92) are both made of memory alloy, a second lead (15) and a baffle ring (16) are arranged in the second cavity (14), the right end of the second lead (15) passes through the baffle ring (16) and is connected with the left end of the flat plate (91), the second inner spring (93) is sleeved on the flat plate (91) and positioned between the baffle ring (16) and the movable plate (92), the left end of the second lead (15) is connected with the second driving mechanism (11), the tube wall of the filling sleeve (1) is provided with a strip-shaped opening (17) corresponding to the movable plate (92).
7. The bone cement thruster of a vertebroplasty system according to claim 6, wherein a first sliding slot (52) and a second sliding slot (53) are respectively disposed on two holding rods (51) of the handle (5), the first sliding slot (52) and the second sliding slot (53) are located at two sides of the filling cannula (1), the first sliding slot (52) is communicated with the first cavity (12), the second sliding slot (53) is communicated with the second cavity (14), a first clamping slot (54), a second clamping slot (55) and a third clamping slot (56) are disposed in the first sliding slot (52), a fourth clamping slot (57) and a fifth clamping slot (58) are disposed on the second sliding slot (53);
the first driving mechanism (10) comprises a first sliding rod (101) and a first clamping rod (102), the first sliding rod (101) is movably arranged in the first sliding groove (52), the upper end of the first sliding rod (101) is connected with the left end of the first lead (13), the first clamping rod (102) is arranged at the lower end of the first sliding rod (101) and can be selectively clamped in the first clamping groove (54), the second clamping groove (55) or the third clamping groove (56);
the second driving mechanism (11) comprises a second sliding rod (111) and a second clamping rod (112), the lower end of the second sliding rod (111) is connected with the left end of the second lead (15), and the second clamping rod (112) is arranged at the upper end of the second sliding rod (111) and can be selectively clamped in the fourth clamping groove (57) or the fifth clamping groove (58).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705126.9A CN113262035A (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110705126.9A CN113262035A (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
| CN202010621969.6A CN111839707B (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621969.6A Division CN111839707B (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113262035A true CN113262035A (en) | 2021-08-17 |
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ID=72989422
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110705126.9A Withdrawn CN113262035A (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
| CN202010621969.6A Active CN111839707B (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010621969.6A Active CN111839707B (en) | 2020-06-30 | 2020-06-30 | Bone cement propeller of vertebroplasty system |
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| Country | Link |
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| CN (2) | CN113262035A (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0517933D0 (en) * | 2005-09-05 | 2005-10-12 | Sivananthan Sureshan | Repair of bone defects |
| US20090157085A1 (en) * | 2007-12-18 | 2009-06-18 | Cook Incorporated | Device and method for introducing a bone cement mixture into a damaged bone |
| CN102940523B (en) * | 2012-11-26 | 2015-03-11 | 中国人民解放军成都军区总医院 | Assembly for reinforcing injectable vertebral pedicle screw |
| CN203693715U (en) * | 2013-11-26 | 2014-07-09 | 唐海军 | Improved bone cement filler |
| CN203790022U (en) * | 2014-03-10 | 2014-08-27 | 薛厚军 | Bone cement injection device |
| CN203852714U (en) * | 2014-05-22 | 2014-10-01 | 何黎民 | Intracerebral hematoma directional drainage tube |
| CN204951134U (en) * | 2015-07-10 | 2016-01-13 | 北京中安泰华科技有限公司 | Directional injector of bone cement |
| CN204971536U (en) * | 2015-08-12 | 2016-01-20 | 苏州苏南捷迈得医疗器械有限公司 | Multi -angle bone cement side opening backbone hollow rivet |
| CN107049465A (en) * | 2017-04-25 | 2017-08-18 | 宁波华科润生物科技有限公司 | Bone filler delivery pipe with closeouts |
| CN208160642U (en) * | 2017-05-08 | 2018-11-30 | 山东威高骨科材料股份有限公司 | A kind of band drive-type bone cement injects system |
| CN208741124U (en) * | 2017-10-10 | 2019-04-16 | 江苏盛泽医院 | Orient bone cement propeller |
| CN209122412U (en) * | 2018-01-22 | 2019-07-19 | 马鞍山市人民医院 | A kind of guide type bone cement propeller and combinations thereof |
| DE102018209807A1 (en) * | 2018-06-18 | 2019-12-19 | Heraeus Medical Gmbh | Bone cement applicator with retractable mixing stick and method for producing a bone cement |
| US11832860B2 (en) * | 2018-06-22 | 2023-12-05 | University Of Virginia Patent Foundation | Bone fixation system for promoting the union of a bone fracture and fusion of bones across a joint space and related methods thereof |
| CN108836485A (en) * | 2018-07-13 | 2018-11-20 | 江苏集萃智能制造技术研究所有限公司 | A kind of medical robot for pyramid plastic operation |
-
2020
- 2020-06-30 CN CN202110705126.9A patent/CN113262035A/en not_active Withdrawn
- 2020-06-30 CN CN202010621969.6A patent/CN111839707B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111839707B (en) | 2021-07-20 |
| CN111839707A (en) | 2020-10-30 |
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Application publication date: 20210817 |