CN216570040U - Impurity filtering and sucking device for orthopedic surgery - Google Patents
Impurity filtering and sucking device for orthopedic surgery Download PDFInfo
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- CN216570040U CN216570040U CN202122924515.9U CN202122924515U CN216570040U CN 216570040 U CN216570040 U CN 216570040U CN 202122924515 U CN202122924515 U CN 202122924515U CN 216570040 U CN216570040 U CN 216570040U
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Abstract
The invention discloses an impurity filtering and sucking device for orthopedic surgery, which comprises a sucking pipe and a negative pressure pipe, wherein a first filtering outer cover is arranged on the sucking pipe, a second filtering outer cover is arranged on the negative pressure pipe, the first filtering outer cover and the second filtering outer cover are hermetically connected through a rotating buckling structure, and filtering mesh covers are arranged on the inner sides of the first filtering outer cover and the second filtering outer cover. According to the invention, the filter screen cover is tightly and tightly sealed and fastened between the first filter outer cover and the second filter outer cover through the buckling combination or the expansion sleeving between the first filter outer cover and the second filter outer cover, and the sucked debridement liquid is sucked into the negative pressure tank after being filtered, so that the blockage of a negative pressure pipe is avoided, the normal operation of the operation is ensured, and meanwhile, the first filter outer cover and the second filter outer cover are convenient to disassemble, and the filter screen cover is cleaned.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an impurity filtering and sucking device for orthopedic surgery.
Background
The suction tube is one of necessary tools in surgical operations, and the suction tubes used in most of the current hospital operations are generally metal suction tubes which are repeatedly used or disposable plastic suction tubes. Their structure is generally straight round tube, but the suction tube is easy to be blocked in orthopaedics, hand surgery and general surgical debridement operation, because bone fragments and other tissues which are easy to block the pipeline are often generated in the orthopaedics operation, such as bone cement fragments, osteophytes, bone tumor tissues and the like. The aspirator head is made into a round shape and is provided with a plurality of filter holes on the round shape so as to prevent bone debris from being sucked, but the aspirator head can still block the normal work of the aspirator head after the bone debris is accumulated in the operation, and the normal operation of the operation is prevented. Therefore, the suction tube can suck bone fragments and the like without tube blockage, and prevents complication, and is required by the dreaming of a clinical operation doctor.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an impurity filtering and sucking device for orthopedic surgery.
The invention realizes the purpose through the following technical scheme:
the utility model provides an orthopedic operation impurity filters suction device, is including attracting pipe, negative pressure pipe, attract and be provided with first filtration dustcoat on the pipe, be provided with the second on the negative pressure pipe and filter the dustcoat, first filtration dustcoat the second filters and carries out sealing connection through rotatory lock structure between the dustcoat, and set up first filtration dustcoat with the inboard filter screen panel of second filtration dustcoat.
Further setting: the first filtering outer cover and the second filtering outer cover are both hemispherical housings, the filtering net cover is of a cylindrical structure or a conical structure, one end of the filtering net cover is an opening, the filtering net cover is of a certain depth, a flange is arranged on the outer ring of the opening end of the filtering net cover, and round filtering holes or square filtering holes are uniformly distributed in the surface and the bottom of the filtering net cover.
So set up, make filter screen panel to through the clear wound tissue that attracts the pipe entering filters, prevents that the bone piece from passing through negative pressure pipe inhales, reduces the damage of equipment instrument.
Further setting: the filter screen panel open end orientation attract the pipe, attract the pipe to stretch into first filter dustcoat inboard, and stretch into filter screen panel is inside.
So set up, make through the interstitial fluid that the suction tube got into get into filter screen panel inboard is filtered.
Further setting: the inner side wall of the first filtering outer cover is provided with an inner ring boss, and the second filtering outer cover is far away from the periphery of the outer wall of one end of the negative pressure pipe and is provided with a sinking table board.
So set up, be convenient for with first filtration dustcoat the lock is inserted to the second filtration dustcoat.
Further setting: rotatory lock structure is including setting up the card income fixed slot on the heavy mesa, the card income fixed slot includes card income portion, card income portion is kept away from the second filters dustcoat port department and is provided with the fixed part of arc wall along circumference, lie in on the first filtration dustcoat inner wall the inner ring boss outside is provided with the fixed block, the card goes into the fixed slot and is in it has two departments to be 180 degrees equipartitions to be on the second filters the dustcoat, the fixed block is the rectangle lug, and this lug orientation fixed part one side sets up to the oblique angle structure, the length of fixed part is greater than the length of fixed block.
So set up, make on the first filtration dustcoat the fixed block inserts the second filters the dustcoat in the card income portion, then rotate the second filters the dustcoat, makes the fixed block screw in the fixed part, make first filtration dustcoat the second filters the dustcoat and connects fixedly.
Further setting: sink the mesa to go up the cover and be equipped with first sealing washer, filter screen panel cylindric outer lane and go up the cover and be equipped with the second sealing washer, the second sealing washer cross-section is the rectangle that has the right angle breach, first sealing washer the second sealing washer is rubber or silica gel material.
So set up, through first sealing washer the second sealing washer is right first filtration dustcoat the second filters dustcoat, filter the screen panel and connect when fixed and seal, prevent that liquid from leaking outward.
Further setting: rotatory lock structure is including setting up the piece is gone into to outer protruding card on the heavy mesa, be located on the first filtration dustcoat inner wall the inner ring boss outside is provided with inboard go-between, inboard go-between one side is provided with the fixing clip hole, outer protruding card is gone into the piece the fixing clip hole all is right trapezoid structure, outer protruding card is gone into the piece and is in it has two departments to be 180 degrees equipartitions on the second filtration dustcoat, outer protruding card go into the piece with the fixing clip hole corresponds the setting, the cover is equipped with first sealing washer on the heavy mesa, the cover is equipped with the third sealing washer on the filter screen panel cylindric dustcoat, the second filters and is provided with spacing bulge loop by the port position on the dustcoat inner wall, first sealing washer the third sealing washer is rubber or silica gel material.
So set up, make the second filters the dustcoat the outer protruding card is gone into the piece and is inserted first filtration dustcoat the inboard jack-in groove, then rotate the second filters the dustcoat, makes outer protruding card is gone into the piece card and is gone into in the fixing clip hole, make first filtration dustcoat the second filters between the dustcoat through first sealing washer the third sealing washer carries out sealing connection.
Further setting: the opening end part of the second filtering outer cover is provided with a top edge, the outer diameter of the top edge is larger than the outer diameter of the flanging of the filtering net cover, and the thickness of the top edge and the thickness of the flanging of the filtering net cover is slightly larger than the distance between the inner ring boss and the fixing block.
So set up, make first filtration dustcoat the fixed block inserts the second filters the dustcoat the card is gone into in the portion, then rotates the second filters the dustcoat, makes the turn-ups of filtering the screen panel with the second filters the dustcoat the apical margin gets into the inner ring boss with between the fixed block, it is right to filter the screen panel the turn-ups extrudees to expand tightly.
Further setting: the outer diameters of the first filtering outer cover and the second filtering outer cover are the same, and the first filtering outer cover and the second filtering outer cover are rotatably connected.
The outer diameters of the first filtering outer cover and the second filtering outer cover are positioned on the same circumferential surface after the first filtering outer cover and the second filtering outer cover are connected.
Further setting: the inner diameter of the first sealing ring is the same as the outer diameter of the sinking table surface of the second filtering outer cover, and the outer diameter of the first sealing ring is the same as the outer diameter of the second filtering outer cover.
So set up, through first sealing washer is right first filter dustcoat, the second filters and seals between the dustcoat.
Compared with the prior art, the invention has the following beneficial effects:
1. when the device is used for sucking debridement tissues of a patient, particularly bone cement tissues, bone fragments in tissue fluid are filtered by the filter screen and cannot be sucked by the negative pressure pipe, so that the damage of equipment and instruments is reduced;
2. the butt joint adopts the fixing block to be fixed with a rotary type inlaying buckle after the structure of a clamping fixing groove is inserted, and the clamping fixing groove consists of a clamping part and a fixing part structure, so that the insertion and the rotary fixing of the fixing block can be realized when the two filtering outer covers are in butt joint;
3. the first sealing ring at the outer butt joint port and the second sealing ring at the inner butt joint port can effectively ensure that liquid leakage does not occur and sealing is ensured, and the right-angle notch of the second sealing ring can play a role in supporting and sealing the bottom of the butt joint inner port of the second filtering outer cover and can also play a role in fixing and sealing the inner side of the butt joint port;
4. the first filtering outer cover is provided with the inner ring boss which is matched with the flanging structure of the filtering net cover, the filtering net cover is firmly fixed through the extrusion effect on the sealing ring, and a fixing mode is not required to be additionally adopted, so that the device is simple in structure and convenient to install;
5. the first filtering outer cover and the second filtering outer cover are firmly embedded through the buckling connection of the convex clamping blocks and the fixing clamping holes, so that the possibility of looseness of the first filtering outer cover and the second filtering outer cover in the use process of the device is reduced, and the device is more firmly connected;
6. through the tight cup joint structure that expands to reduced the use of sealing washer, reduced and used the part, reduce cost has improved the reliability of this device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing an exploded structure of an embodiment 1 of the impurity filtering and sucking device for orthopedic surgery according to the present invention;
FIG. 2 is a schematic cross-sectional view showing the structure of an impurity filtering and sucking device for bone surgery according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of the enlarged partial structure of FIG. 2;
FIG. 4 is a schematic structural view of a second filter housing of embodiment 1 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 5 is a schematic structural view of a first filter housing of embodiment 1 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 6 is a schematic structural view of a second seal ring of embodiment 1 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 7 is a schematic view showing an exploded structure of embodiment 2 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 8 is a schematic structural view of a first filter housing of embodiment 2 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 9 is a schematic structural view of a second filter housing of embodiment 2 of the impurity filtering and sucking device for bone surgery according to the present invention;
FIG. 10 is a schematic structural view of embodiment 3 of the impurity filtering and sucking device for orthopedic surgery of the present invention;
FIG. 11 is a cross-sectional view schematically showing the structure of an impurity filtering and sucking device for orthopedic operations in accordance with an embodiment 3 of the present invention;
FIG. 12 is a schematic view of the split configuration of FIG. 11;
FIG. 13 is a schematic view of a separate structure of an impurity filtering and sucking device for bone surgery according to embodiment 3 of the present invention;
fig. 14 is a schematic structural view of another shape of the filter screen of the impurity filtering and sucking device for orthopedic surgery according to the present invention.
The reference numerals are explained below:
1. a first filter housing; 11. an inner ring boss; 2. a suction tube; 3. a second filter housing; 31. sinking the table top; 32. a limit convex ring; 4. a negative pressure tube; 5. a filtering net cover; 51. flanging; 6. rotating the buckling structure; 61. clamping into a fixed groove; 611. a snap-in portion; 612. a fixed part; 62. a fixed block; 63. a first seal ring; 64. a second seal ring; 65. the outer convex clamping block; 66. the inner side is clamped into the groove; 67. fixing the clamp hole; 68. a third seal ring; 69. a top edge.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-6 and 14, an impurity filtering and sucking device for orthopedic surgery comprises a suction tube 2 and a negative pressure tube 4, wherein the rear end of the negative pressure tube 4 is connected with a negative pressure tank, a first filtering outer cover 1 is arranged on the suction tube 2, a second filtering outer cover 3 is arranged on the negative pressure tube 4, the first filtering outer cover 1 and the second filtering outer cover 3 are connected in a sealing manner through a rotary buckling structure 6, and a filtering mesh cover 5 is arranged on the inner sides of the first filtering outer cover 1 and the second filtering outer cover 3 and used for filtering sucked debridement group liquid.
Preferably: the first filtering outer cover 1 and the second filtering outer cover 3 are both hemispherical housings, the filtering mesh enclosure 5 is a cylindrical structure or a conical structure with one end being an opening and a certain depth, a flange 51 is arranged on the outer ring of the opening end of the filtering mesh enclosure 5, and round filtering holes or square filtering holes are uniformly distributed on the surface and the bottom of the filtering mesh enclosure 5, so that the filtering mesh enclosure 5 filters debridement tissues entering through the suction tube 2, bone fragments are prevented from being sucked through the negative pressure tube 4, and the damage of equipment instruments is reduced; the opening end of the filter screen 5 faces the suction tube 2, the suction tube 2 extends into the first filter outer cover 1 and extends into the filter screen 5, so that interstitial fluid entering through the suction tube 2 enters the inner side of the filter screen 5 for filtering; an inner ring boss 11 is arranged on the inner side wall of the first filtering outer cover 1, and a sunk table surface 31 is arranged on the periphery of the outer wall of one end of the second filtering outer cover 3 away from the negative pressure pipe 4, so that the first filtering outer cover 1 and the second filtering outer cover 3 can be conveniently inserted and buckled; the rotary buckling structure 6 comprises a clamping fixing groove 61 arranged on the sinking platform surface 31, the clamping fixing groove 61 comprises a clamping part 611, the clamping part 611 is provided with a fixing part 612 with an arc-shaped groove along the circumferential direction away from the port of the second filtering outer cover 3, the fixing block 62 is arranged on the inner wall of the first filtering outer cover 1 and positioned outside the inner ring boss 11, the clamping fixing groove 61 is uniformly distributed at two positions on the second filtering outer cover 3 at 180 degrees, the fixing block 62 is a rectangular convex block, the convex block is arranged in an oblique angle structure towards one side of the fixing part 612, the length of the fixing part 612 is greater than that of the fixing block 62, so that the fixing block 62 on the first filtering outer cover 1 is inserted into the clamping part 611 of the second filtering outer cover 3, then the second filtering outer cover 3 is rotated, the fixing block 62 is screwed into the fixing part 612, and the first filtering outer cover 1 and the second filtering outer cover 3 are connected and fixed; the sink table surface 31 is sleeved with a first sealing ring 63, a cylindrical outer ring of the filter screen cover 5 is sleeved with a second sealing ring 64, the section of the second sealing ring 64 is rectangular with a right-angle notch, the first sealing ring 63 and the second sealing ring 64 are made of rubber or silica gel, and the first filter outer cover 1, the second filter outer cover 3 and the filter screen cover 5 are sealed when being connected and fixed through the first sealing ring 63 and the second sealing ring 64 so as to prevent liquid from leaking; the outer diameters of the first filtering outer cover 1 and the second filtering outer cover 3 are the same, and the first filtering outer cover 1 and the second filtering outer cover 3 are rotationally connected, so that the outer diameters of the first filtering outer cover 1 and the second filtering outer cover 3 are positioned on the same circumferential surface after being connected; the internal diameter of the first sealing ring 63 is the same as the external diameter of the sunken table surface 31 of the second filtering outer cover 3, the external diameter of the first sealing ring 63 is the same as the external diameter of the second filtering outer cover 3, and the first filtering outer cover 1 and the second filtering outer cover 3 are sealed through the first sealing ring 63.
The working principle and the using process of the invention are as follows: the second sealing ring 64 is sleeved at the lower side of the flanging 51 of the filter screen cover 5 and then placed on the second filter housing 3, so that the right-angle notch of the second sealing ring 64 is opposite to the upper part of the inner surface of the second filter housing 3, the first sealing ring 63 is sleeved at the outer side of the sinking platform surface 31 of the second filter housing 3, the first filter housing 1 is aligned with the second filter housing 3, the fixing block 62 of the first filter housing 1 is inserted into the clamping part 611 and rotates while extruding the second filter housing 3, so that the fixing block 62 is clamped into the deep part of the fixing part 612, at the moment, the first sealing ring 63 is extruded by the first filter housing 1 and the second filter housing 3 in the middle, the flanging 51 of the filter screen cover 5 is extruded on the second filter housing 3 through the second sealing ring 64 by the inner ring boss 11 of the first filter housing 1, the fixing of the filter screen cover 5 is completed, and the first sealing ring 63 and the second sealing ring 64 are deformed and compressed, respectively play a role in sealing.
Example 2
As shown in fig. 7-9 and 14, an impurity filtering and sucking device for orthopedic surgery comprises a suction tube 2 and a negative pressure tube 4, wherein the rear end of the negative pressure tube 4 is connected with a negative pressure tank, a first filtering outer cover 1 is arranged on the suction tube 2, a second filtering outer cover 3 is arranged on the negative pressure tube 4, the first filtering outer cover 1 and the second filtering outer cover 3 are connected in a sealing manner through a rotary buckling structure 6, and a filtering mesh cover 5 is arranged on the inner sides of the first filtering outer cover 1 and the second filtering outer cover 3 and used for filtering sucked debridement group liquid.
Preferably: the first filtering outer cover 1 and the second filtering outer cover 3 are both hemispherical housings, the filtering mesh enclosure 5 is a cylindrical structure or a conical structure with one end being an opening and a certain depth, a flange 51 is arranged on the outer ring of the opening end of the filtering mesh enclosure 5, and round filtering holes or square filtering holes are uniformly distributed on the surface and the bottom of the filtering mesh enclosure 5, so that the filtering mesh enclosure 5 filters debridement tissues entering through the suction tube 2, bone fragments are prevented from being sucked through the negative pressure tube 4, and the damage of equipment instruments is reduced; the opening end of the filter screen 5 faces the suction tube 2, the suction tube 2 extends into the first filter outer cover 1 and extends into the filter screen 5, so that interstitial fluid entering through the suction tube 2 enters the inner side of the filter screen 5 for filtering; an inner ring boss 11 is arranged on the inner side wall of the first filtering outer cover 1, and a sunk table surface 31 is arranged on the periphery of the outer wall of one end of the second filtering outer cover 3 away from the negative pressure pipe 4, so that the first filtering outer cover 1 and the second filtering outer cover 3 can be conveniently inserted and buckled; the rotary buckling structure 6 comprises an outer convex clamping block 65 arranged on a sinking platform surface 31, an inner side clamping groove 66 is arranged on the inner wall of the first filtering outer cover 1 and positioned at the outer side of an inner ring boss 11, a fixing clamping hole 67 is arranged at one side of the inner side clamping groove 66, the outer convex clamping block 65 and the fixing clamping hole 67 are both in a right-angled trapezoid structure, two positions of the outer convex clamping block 65 are evenly distributed on the second filtering outer cover 3 at 180 degrees, the outer convex clamping block 65 is arranged corresponding to the fixing clamping hole 67, a first sealing ring 63 is sleeved on the sinking platform surface 31, a third sealing ring 68 is sleeved on the cylindrical outer ring of the filtering net cover 5, a limiting convex ring 32 is arranged on the inner wall of the second filtering outer cover 3 close to the port, the first sealing ring 63 and the third sealing ring 68 are made of rubber or silica gel, so that the outer convex clamping block 65 of the second filtering outer cover 3 is inserted into the inner side clamping groove 66 of the first filtering outer cover 1, and then the second filtering outer cover 3 is rotated, the outer convex clamping block 65 is clamped into the fixing clamping hole 67, and the first filtering outer cover 1 and the second filtering outer cover 3 are hermetically connected through a first sealing ring 63 and a third sealing ring 68; the outer diameters of the first filtering outer cover 1 and the second filtering outer cover 3 are the same, and the first filtering outer cover 1 and the second filtering outer cover 3 are rotationally connected, so that the outer diameters of the first filtering outer cover 1 and the second filtering outer cover 3 are positioned on the same circumferential surface after being connected; the inner diameter of the first sealing ring 63 is the same as the outer diameter of the sinking platform surface 31 of the second filtering outer cover 3, the outer diameter of the first sealing ring 63 is the same as the outer diameter of the second filtering outer cover 3, and the first filtering outer cover 1 and the second filtering outer cover 3 are sealed through the first sealing ring 63.
The working principle and the using process of the invention are as follows: the first sealing ring 63 is sleeved outside the sinking platform surface 31 of the second filtering outer cover 3, the third sealing ring 68 is sleeved on the lower side of the flanging 51 of the filtering net cover 5, the filtering net cover 5 is placed on the limiting convex ring 32 of the second filtering outer cover 3, the first filtering outer cover 1 is aligned with the second filtering outer cover 3, the convex clamping block 65 of the second filtering outer cover 3 is inserted into the inner clamping groove 66, the second filtering outer cover 3 is extruded and rotated at the same time, the convex clamping block 65 is clamped into the fixing clamping hole 67, at the moment, the first sealing ring 63 is extruded by the first filtering outer cover 1 and the second filtering outer cover 3 in the middle, the flanging 51 of the filtering net cover 5 is extruded by the inner ring boss 11 of the first filtering outer cover 1 onto the limiting convex ring 32 of the second filtering outer cover 3 through the third sealing ring 68, the fixing of the filtering net cover 5 is completed, the first sealing ring 63 and the third sealing ring 68 are deformed and compressed, respectively play a role in sealing.
Example 3
As shown in fig. 10-13 and 14, an impurity filtering and sucking device for orthopedic surgery comprises a suction tube 2 and a negative pressure tube 4, wherein the rear end of the negative pressure tube 4 is connected with a negative pressure tank, a first filtering outer cover 1 is arranged on the suction tube 2, a second filtering outer cover 3 is arranged on the negative pressure tube 4, the first filtering outer cover 1 and the second filtering outer cover 3 are hermetically connected through a rotary buckling structure 6, and a filtering mesh cover 5 is arranged on the inner sides of the first filtering outer cover 1 and the second filtering outer cover 3 and is used for filtering sucked debridement group liquid.
Preferably: the first filtering outer cover 1 and the second filtering outer cover 3 are both hemispherical housings, the filtering mesh enclosure 5 is a cylindrical structure or a conical structure with one end being an opening and a certain depth, a flange 51 is arranged on the outer ring of the opening end of the filtering mesh enclosure 5, and round filtering holes or square filtering holes are uniformly distributed on the surface and the bottom of the filtering mesh enclosure 5, so that the filtering mesh enclosure 5 filters debridement tissues entering through the suction tube 2, bone fragments are prevented from being sucked through the negative pressure tube 4, and the damage of equipment instruments is reduced; the opening end of the filter screen 5 faces the suction tube 2, the suction tube 2 extends into the first filter outer cover 1 and extends into the filter screen 5, so that interstitial fluid entering through the suction tube 2 enters the inner side of the filter screen 5 for filtering; an inner ring boss 11 is arranged on the inner side wall of the first filtering outer cover 1, and a sunk table surface 31 is arranged on the periphery of the outer wall of one end of the second filtering outer cover 3 away from the negative pressure pipe 4, so that the first filtering outer cover 1 and the second filtering outer cover 3 can be conveniently inserted and buckled; the rotary buckling structure 6 comprises a clamping fixing groove 61 arranged on the sinking platform surface 31, the clamping fixing groove 61 comprises a clamping part 611, the clamping part 611 is provided with a fixing part 612 with an arc-shaped groove along the circumferential direction away from the port of the second filtering outer cover 3, the fixing block 62 is arranged on the inner wall of the first filtering outer cover 1 and positioned outside the inner ring boss 11, the clamping fixing groove 61 is uniformly distributed at two positions on the second filtering outer cover 3 at 180 degrees, the fixing block 62 is a rectangular convex block, the convex block is arranged in an oblique angle structure towards one side of the fixing part 612, the length of the fixing part 612 is greater than that of the fixing block 62, so that the fixing block 62 on the first filtering outer cover 1 is inserted into the clamping part 611 of the second filtering outer cover 3, then the second filtering outer cover 3 is rotated, the fixing block 62 is screwed into the fixing part 612, and the first filtering outer cover 1 and the second filtering outer cover 3 are connected and fixed; the opening end of the second filtering outer cover 3 is provided with a top edge 69, the outer diameter of the top edge 69 is larger than the outer diameter of the flanging 51 of the filtering net cover 5, the thickness of the top edge 69 and the flanging 51 of the filtering net cover 5 is slightly larger than the distance between the inner ring boss 11 and the fixing block 62, the fixing block 62 of the first filtering outer cover 1 is inserted into the clamping part 611 of the second filtering outer cover 3, then the second filtering outer cover 3 is rotated, the flanging 51 of the filtering net cover 5 and the top edge 69 of the second filtering outer cover 3 enter between the inner ring boss 11 and the fixing block 62, and the flanging 51 of the filtering net cover 5 is extruded and expanded tightly.
The working principle and the using process of the invention are as follows: place filter screen panel 5 turn-ups 51 on the apical margin 69 of second filter dustcoat 3, filter dustcoat 1 and second and filter dustcoat 3 alignment with first, make first fixed block 62 that filters dustcoat 1 insert the card portion 611 inboard, it is rotatory to extrude the second filter dustcoat 3, make fixed block 62 card go into the depths of fixed part 612, make filter screen panel 5's turn-ups 51 and second filter dustcoat 3's apical margin 69 extrude between interior ring boss 11 and the fixed block 62 this moment, expand tight effect to filter screen panel 5.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides an orthopedic surgery impurity filters suction device which characterized in that: including attracting pipe (2), negative pressure pipe (4), it filters dustcoat (1) to attract to be provided with on pipe (2), be provided with the second on negative pressure pipe (4) and filter dustcoat (3), first filtration dustcoat (1) the second filters and carries out sealing connection through rotatory lock structure (6) between dustcoat (3), and sets up first filtration dustcoat (1) with the second filters dustcoat (3) inboard filtration screen panel (5).
2. The impurity filtering and sucking device for orthopedic operation as claimed in claim 1, wherein: first filter dustcoat (1) second filter dustcoat (3) all are the hemisphere housing, it is the opening to filter screen panel (5), and has the tubular structure or the toper structure of certain degree of depth, it is provided with turn-ups (51) to filter screen panel (5) open end outer lane, it has circular filtration pore or square filtration pore to filter screen panel (5) surface and bottom equipartition.
3. The impurity filtering and sucking device for orthopedic operation according to claim 2, characterized in that: the opening end of the filter screen cover (5) faces the suction pipe (2), the suction pipe (2) stretches into the inner side of the first filter screen cover (1) and stretches into the interior of the filter screen cover (5).
4. The impurity filtering and sucking device for orthopedic operation according to claim 3, characterized in that: an inner ring boss (11) is arranged on the inner side wall of the first filtering outer cover (1), and the second filtering outer cover (3) is far away from the periphery of the outer wall of one end of the negative pressure pipe (4) and is provided with a sinking table top (31).
5. The impurity filtering and sucking device for orthopedic operation according to claim 4, characterized in that: rotatory lock structure (6) are including setting up go into fixed slot (61) of card on the heavy mesa (31), go into fixed slot (61) including card income portion (611), keep away from card income portion (611) the second filters dustcoat (3) port department and is provided with fixed part (612) of arc wall along circumference, first filtration dustcoat (1) inner wall is located the inner ring boss (11) outside is provided with fixed block (62), it is in to go into fixed slot (61) to be 180 degrees equipartitions on the second filtration dustcoat (3) and have two, fixed block (62) are the rectangle lug, and this lug orientation fixed part (612) one side sets up to the oblique angle structure, the length of fixed part (612) is greater than the length of fixed block (62).
6. The impurity filtering and sucking device for orthopedic operation according to claim 5, characterized in that: sink and be equipped with first sealing washer (63) on mesa (31), the cover is equipped with second sealing washer (64) on filter screen panel (5) cylindric outer lane, second sealing washer (64) cross-section is the rectangle that has the right angle breach, first sealing washer (63) second sealing washer (64) are rubber or silica gel material.
7. The impurity filtering and sucking device for orthopedic operation according to claim 4, characterized in that: the rotary buckling structure (6) comprises an outer convex clamping block (65) arranged on the sinking table top (31), the inner wall of the first filtering outer cover (1) is provided with an inner clamping groove (66) outside the inner ring boss (11), one side of the inner clamping groove (66) is provided with a fixing clamp hole (67), the outer convex clamping block (65) is in a right-angle trapezoidal structure, the outer convex clamping block (65) is arranged on the second filtering outer cover (3) in 180-degree uniform distribution, the outer convex clamping block (65) is arranged corresponding to the fixing clamp hole (67), the sinking table top (31) is sleeved with a first sealing ring (63), the cylindrical outer ring of the filtering net cover (5) is sleeved with a third sealing ring (68), and the inner wall of the second filtering outer cover (3) is provided with a limiting convex ring (32) by means of a port position, the first sealing ring (63) and the third sealing ring (68) are made of rubber or silica gel.
8. The impurity filtering and sucking device for orthopedic operation as claimed in claim 5, wherein: the opening end part of the second filtering outer cover (3) is provided with a top edge (69), the outer diameter of the top edge (69) is larger than the outer diameter of the flanging (51) of the filtering net cover (5), and the thickness of the top edge (69) and the thickness of the flanging (51) of the filtering net cover (5) are slightly larger than the distance between the inner ring boss (11) and the fixing block (62).
9. An impurity filtering and sucking device for bone surgery as set forth in claim 5, 7 or 8, wherein: the outer diameters of the first filtering outer cover (1) and the second filtering outer cover (3) are the same, and the first filtering outer cover (1) and the second filtering outer cover (3) are rotatably connected.
10. An impurity filtering and sucking device for bone surgery as defined in claim 6 or 7, wherein: the inner diameter of the first sealing ring (63) is the same as the outer diameter of the counter sink surface (31) of the second filtering outer cover (3), and the outer diameter of the first sealing ring (63) is the same as the outer diameter of the second filtering outer cover (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122924515.9U CN216570040U (en) | 2021-11-26 | 2021-11-26 | Impurity filtering and sucking device for orthopedic surgery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122924515.9U CN216570040U (en) | 2021-11-26 | 2021-11-26 | Impurity filtering and sucking device for orthopedic surgery |
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| CN216570040U true CN216570040U (en) | 2022-05-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060977A1 (en) * | 2022-09-22 | 2024-03-28 | 深圳市先健神康医疗有限公司 | Filtering apparatus and negative pressure suction pump assembly |
| CN117959798A (en) * | 2024-04-01 | 2024-05-03 | 山东泰亚环保科技有限公司 | Active carbon interception device for active carbon adsorption filtration system |
-
2021
- 2021-11-26 CN CN202122924515.9U patent/CN216570040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060977A1 (en) * | 2022-09-22 | 2024-03-28 | 深圳市先健神康医疗有限公司 | Filtering apparatus and negative pressure suction pump assembly |
| CN117959798A (en) * | 2024-04-01 | 2024-05-03 | 山东泰亚环保科技有限公司 | Active carbon interception device for active carbon adsorption filtration system |
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