CN109907811B - Fixing frame and resetting system - Google Patents
Fixing frame and resetting system Download PDFInfo
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- CN109907811B CN109907811B CN201910353668.7A CN201910353668A CN109907811B CN 109907811 B CN109907811 B CN 109907811B CN 201910353668 A CN201910353668 A CN 201910353668A CN 109907811 B CN109907811 B CN 109907811B
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- 230000009467 reduction Effects 0.000 claims description 8
- 210000000988 bone and bone Anatomy 0.000 description 22
- 208000010392 Bone Fractures Diseases 0.000 description 17
- 206010017076 Fracture Diseases 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
The invention provides a fixing frame and a resetting system, wherein the fixing frame comprises two first connecting pieces, two first supporting pieces and a telescopic piece which can be telescopic along a first preset direction, the two first supporting pieces are respectively matched with the two telescopic ends of the telescopic piece in a sliding mode along a second preset direction with an included angle with the first preset direction, the two first connecting pieces are respectively connected with the two first supporting pieces, and at least one first connecting piece can swing relative to the corresponding first supporting piece. The fixing frame has the advantages of simple and compact structure, small volume, wide adjusting range, wide application range and accurate and reliable positioning. The reset system has all the advantages of the fixing frame.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a fixing frame and a resetting system.
Background
At present, the clinical fracture reduction mainly uses a reduction clamp or a combined external fixing frame.
The resetting of the resetting forceps is mainly carried out by the manipulation and experience of doctors, and a plurality of persons are needed to assist in completing the resetting. The combined external fixing frame mainly realizes the reduction and the positioning of fracture parts through the combination of a plurality of product accessories.
In the research, the prior combined external fixing frame has at least the following disadvantages:
the existing combined external fixing frame is inconvenient to adjust when the fracture part is reset. The combined external fixing frame has a plurality of product parts, the combined mode has a plurality of operations, and the combined mode is difficult to flexibly apply without professional long-time training. Especially in complex cases, if the assembly mode is wrong, a plurality of serious adverse reactions can be caused. In addition, the combined external fixing frame is large in size, so that the patient is not beneficial to movement in normal life of the patient, and other complications are caused by long-time bedridden patients.
Disclosure of Invention
The invention aims to provide a fixing frame which has the advantages of portability, simple structure, convenient operation, and realization of multifunctional integrated functions such as stretching, pressurizing, rotating resetting and the like.
The invention aims to provide a resetting system which has the advantages of portability, simple structure, convenient operation, and realization of multifunctional integrated functions such as stretching, pressurizing, rotating resetting and the like.
The invention is realized by adopting the following technical scheme:
based on the first object, the embodiment of the invention provides a fixing frame, which comprises two first connecting pieces, two first supporting pieces and telescopic pieces capable of telescoping along a first preset direction, wherein the two first supporting pieces are respectively in sliding fit with the two telescopic ends of the telescopic pieces along a second preset direction with an included angle with the first preset direction, the two first connecting pieces are respectively connected with the two first supporting pieces, and at least one first connecting piece can swing relative to the corresponding first supporting piece.
Optionally, the first supporting piece has a first connecting portion, the first connecting piece has a second connecting portion, and the first connecting portion is connected with the second connecting portion and forms a ball joint connection structure that mutually cooperates.
Optionally, the first connecting portion is a ball groove, the second connecting portion is a ball protrusion, and the ball protrusion is embedded in the ball groove.
Optionally, the fixing frame further includes a clamping piece, the clamping piece is provided with a first hole section and a second hole section communicated with the first hole section, the first connecting piece passes through the first hole section and the second hole section, and the outer diameter of a position corresponding to the first connecting piece and the second hole section is smaller than the inner diameter of the second hole section, so that the first connecting piece can correspond to the second hole Duan Baidong; the clamping piece is connected with the first supporting piece; the part of the spherical surface of the ball head bulge is abutted on the inner wall of the ball head groove, and the part of the spherical surface of the ball head bulge is abutted on the inner wall of the first hole section.
Optionally, the first support piece includes the first pole portion and the second pole portion that link to each other and have the contained angle, and first pole portion is connected and along second default direction sliding fit with the extensible member, and first connecting portion is located the tip that first pole portion was kept away from to the second pole portion.
Optionally, the fixing frame further comprises two mounting rings with through holes and two adjusting rings with threaded holes, the two telescopic ends of the telescopic piece are respectively connected with one mounting ring, and the adjusting rings are rotationally connected with the corresponding mounting rings and are relatively fixed in the axial direction of the mounting rings; the first rod part passes through the through hole and is in threaded connection with the threaded hole, and the first rod part and the mounting ring are relatively fixed in the circumferential direction of the mounting ring; when the adjusting ring is rotated, the first rod part slides relative to the mounting ring along a second preset direction.
Optionally, the quantity of collar is four, and two collars are a set of and install respectively at two flexible ends of extensible member, and two collars that are located same group are arranged along the second and predetermine the direction interval, and the adjusting ring is located between two collars of same group.
Optionally, the telescopic piece includes first slide bar, second slide bar and adjusting sleeve, first slide bar and second slide bar along the first direction sliding fit and in the circumference of first slide bar or second slide bar relatively fixed, adjusting sleeve and first slide bar rotate and connect and in the axial of first slide bar relatively fixed, adjusting sleeve and second slide bar spiro union; when the adjusting sleeve is rotated, the first sliding rod slides along a first preset direction relative to the second sliding rod.
Optionally, the fixing frame further includes a second support member and a second connecting member, the second support member is connected with the first connecting member, and the second connecting member is connected with the second support member and can swing relative to the second support member.
Based on the second object, an embodiment of the present invention provides a resetting system, which includes a fixing pin and a fixing frame, wherein the fixing pin is mounted on the first connecting piece.
Compared with the prior art, the fixing frame provided by the preferred embodiment of the invention has the beneficial effects that:
according to the fixing frame provided by the invention, after the fixing nails are implanted into the proper positions of patients, the end parts of the fixing nails are fixed on the corresponding first connecting pieces, then the heights of the two ends of the broken bone sections are adjusted by adjusting the positions of the first connecting pieces relative to the telescopic pieces so that the two ends of the broken bone sections are positioned at the same height, then the two ends of the broken bone sections are basically opposite by adjusting the angles of the first connecting pieces relative to the first supporting pieces, then the lengths of the telescopic pieces are adjusted so that the broken bone sections are combined or separated, so that the bone is restored to be approximately the same as a normal state. When fracture section location, direct adjustment mount, the simple operation is reliable, simultaneously, in the adjustment process, guarantees the location of bone rupture position through the cooperation of the length of extensible member, the position of first support piece for extensible member and the angle of first connecting piece for first support piece, accommodation is wide, and application scope is wide, fixes a position accurately.
In addition, in the embodiment of the invention, the connecting positions of the first connecting piece and the first supporting piece are set to be ball-head connecting structures which are matched with each other, so that the first supporting piece and the first connecting piece can swing conveniently, the swinging range of the first supporting piece and the first connecting piece is wide, and the adjustment is flexible.
In addition, in the embodiment of the invention, the clamping piece is arranged at the connecting position of the first supporting piece and the first connecting piece, after the relative position of the first supporting piece and the first connecting piece is adjusted, the positions of the first supporting piece and the first connecting piece are fixed through the clamping piece, so that the relative fixation of the first supporting piece and the first connecting piece is ensured, the positions of the first supporting piece and the first connecting piece are not easy to change, and the positioning effect is good.
In addition, in the embodiment of the invention, the first supporting piece comprises the first rod part and the second rod part which are connected and have included angles, the first connecting part is arranged at the end part of the second rod part far away from the first rod part, the first supporting piece is a bending piece, and the first supporting piece has a certain unfolding range, so that the range of the installation of the fixing nail is enlarged, and the using range of the fixing frame is wider.
In addition, in the embodiment of the invention, the adjusting mode of the first sliding rod and the second sliding rod comprises a screw transmission structure which is matched with each other, the first sliding rod and the second sliding rod slide more stably along the first preset direction, the first sliding rod and the second sliding rod are not easy to rotate relatively in the adjusting process, and the adjusting is more accurate and reliable.
In addition, in the embodiment of the invention, the adjusting mode of the first supporting piece and the telescopic piece comprises a screw transmission structure, the first supporting piece slides relatively along a second preset direction in the adjusting process of the telescopic piece, the first supporting piece and the telescopic piece are not easy to rotate, and the adjusting is more accurate and reliable.
In addition, in the embodiment of the invention, the fixing frame further comprises a second supporting piece and a second connecting piece, the second supporting piece is connected to the first connecting piece, the first connecting piece and the second connecting piece can be used for installing fixing nails, the installation range of the fixing nails is enlarged, the locating range of the fixing nails is enlarged, and the fixing frame is wide in application range.
The embodiment also provides a resetting system, which comprises the fixing frame and has all the advantages of the fixing frame.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and other related drawings can be obtained according to the drawings without inventive effort for a person skilled in the art, which also belong to the protection scope of the present invention.
Fig. 1 is a schematic structural view of a fixing frame provided in the present embodiment;
fig. 2 is an exploded view of a part of the structure of the fixing frame according to the present embodiment;
fig. 3 is a schematic structural diagram of a clamping member according to the present embodiment;
fig. 4 is a schematic structural diagram of a reset system according to the present embodiment;
fig. 5 is a schematic structural diagram of a modified structure of the reset system according to the present embodiment;
FIG. 6 is a schematic view of the structure of the staple according to the present embodiment;
fig. 7 is a schematic sectional view of a part of the structure of the staple according to the present embodiment.
Icon: 01-a reset system; 001-a fixing frame; 100-a first connector; 101-a body; 102-a second connection; 110-a first support; 111-a first stem; 1110-a second plane; 1111-a second cylindrical surface; 1112-second tick mark; 112-a second stem; 1121-a first connection; 120-telescoping pieces; 121-a first slide bar; 1210-sliding holes; 1211-a limit groove; 122-a second slide bar; 1220—first plane; 1221-a first cylindrical surface; 1222-a first scale line; 123-adjusting the sleeve; 124-a first locking screw; 130-a mounting ring; 140-adjusting ring; 150-a second locking screw; 160-clamping piece; 161-a first bore section; 162-a second bore section; 170-a second support; 180-a second connector; 002-staple; 200-nailing sleeve; 210-nailing the pole; 220-briquetting; 230-clamping blocks; 240-nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the following embodiments, unless specifically described otherwise, the first preset direction refers to the ab direction in the drawing, and the second preset direction refers to the cd direction in the drawing, where the ab direction and the cd direction are perpendicular to each other, and it should be understood that in other embodiments, the ab direction and the cd direction may be disposed at other angles than perpendicular to each other.
Example 1
Referring to fig. 1, the present embodiment provides a fixing frame 001, which can be applied to a reduction system 01 for reduction of a fracture part of a fracture patient, and for convenience of understanding, two bone segments are formed after a bone is broken in this embodiment for description. The fixing frame 001 has the advantages of wide adjusting range, small volume, short fracture reduction period, pain reduction of patients and the like.
Referring to fig. 1, in the present embodiment, the fixing frame 001 includes two first connecting members 100, two first supporting members 110 and a telescopic member 120 capable of extending along a first predetermined direction, the two first supporting members 110 are slidably engaged with two telescopic ends of the telescopic member 120 along a second predetermined direction having an included angle with the first predetermined direction, the two first connecting members 100 are respectively connected with the two first supporting members 110, and at least one first connecting member 100 can swing relative to the corresponding first supporting member 110.
The fixing frame 001 provided in this embodiment is used by implanting at least one fixing nail into each bone segment before use, and fixing the end portions of the fixing nails to the corresponding first connecting members 100, and at this time, adjusting the heights of the two ends at the bone-breaking position by adjusting the positions of the first supporting members 110 relative to the mounting members so that the two ends are positioned at the same height. Then, the two ends of the broken position of the bone are adjusted to be basically coaxial by adjusting the angle of the first connecting piece 100 relative to the first supporting piece 110, then the length of the telescopic piece 120 is adjusted to enable the broken position of the bone to be combined or separated so as to enable the bone to be restored to be approximately the same as the normal state, as the fixing nails are implanted into the fractured bone segments and are arranged on the mounting piece, when the fractured bone segments are corrected according to the correct position of the normal bone, the fixing nails are driven to move together by adjusting the position of the fixing frame 001, and further the two broken bone segments are driven to move together, and finally the abutting joint or separation of the broken position of the bone is realized by adjusting the fixing frame 001, so that the position and the length of the bone are in the normal state after the broken bone segments are shaped, and the fracture segment is positioned and fixed. When fracture section location, direct adjustment mount 001, the simple operation is reliable, and guarantees the regulation and the location of broken bone through adjusting the length of extensible member 120, the relative position of first support piece 110 and extensible member 120 and the position of first support piece 110 and first connecting piece 100, and accommodation is wide, and application scope is wide, and the location is accurate.
Referring to fig. 2, in the present embodiment, the telescopic member 120 includes a telescopic rod, and optionally, the telescopic member 120 includes a first sliding rod 121, a second sliding rod 122, and an adjusting sleeve 123. The first sliding rod 121 and the second sliding rod 122 are in sliding fit, and the adjusting sleeve 123 is used for locking the relative positions of the first sliding rod 121 and the second sliding rod 122 so that the positions of the first sliding rod 121 and the second sliding rod are relatively fixed.
Alternatively, the first slide bar 121 is provided as a cylindrical bar, and it is apparent that in other embodiments, the first slide bar 121 may be a rectangular parallelepiped bar or a bar having an elliptical cross section. The first sliding rod 121 is provided with a sliding hole 1210 at one end surface, and at least a section of the sliding hole 1210 has a cross-sectional profile other than a circle, for example, the sliding hole 1210 has an oval, rectangular or square cross-sectional profile, or the sliding hole 1210 has a cross-sectional shape including a ring surrounded by a straight line section and an arc line section, and the sliding hole 1210 may be a blind hole, and it is noted that the depth of the sliding hole 1210 may be set as required. The outer circumferential surface of the first sliding rod 121 is provided with an annular limiting groove 1211 near the end of the orifice of the sliding hole 1210, and the limiting groove 1211 may be, but is not limited to, a groove structure having a U-shaped cross section.
Alternatively, the shape of the second sliding rod 122 may be matched with the shape of the sliding hole 1210, for example, the second sliding rod 122 may be a rod having an elliptical cross section, a rod having a rectangular or square cross section. Alternatively, in this embodiment, the outer peripheral surface of the second sliding rod 122 includes a first plane 1220 and a first cylindrical surface 1221, the planes being parallel to the axial direction of the second sliding rod 122, in other words, the second sliding rod 122 is obtained by cutting out a portion of the cylindrical rod from the first plane 1220 in the axial direction parallel to the cylindrical rod, such that the cross-sectional profile of the second sliding rod 122 includes a straight line segment and an arc segment. The first cylindrical surface 1221 of the second slide bar 122 is provided with an external thread, the first plane 1220 is provided with a first scale line 1222, and the measuring range of the first scale line 1222 is parallel to the axial direction of the second slide bar 122.
Alternatively, the adjustment sleeve 123 may be a cylinder with a cylindrical bore, it being apparent that in other embodiments the adjustment sleeve 123 may be a rectangular cylinder with a cylindrical bore, etc. The cylindrical bore of the adjustment sleeve 123 is a threaded bore. Optionally, the outer circumferential surface of the adjustment sleeve 123 is provided with an anti-slip surface, which is convenient for operation.
Referring to fig. 1 and 2, in the telescopic member 120 provided in the present embodiment, the adjusting sleeve 123 is rotatably mounted on the first sliding rod 121, and one end of the adjusting sleeve 123 is clamped in the limiting groove 1211, so that the adjusting sleeve 123 can slide relative to the first sliding rod 121 and is fixed axially relative to the first sliding rod 121. The second sliding rod 122 is inserted into the sliding hole 1210 on the first sliding rod 121, the first plane 1220 on the second sliding rod 122 is attached to the hole wall of the sliding hole 1210 with the cross section of a straight line segment, the second sliding rod 122 and the first sliding rod 121 are relatively fixed in the circumferential direction of the first sliding rod 121, the first cylindrical surface 1221 on the second sliding rod 122 is attached to the hole wall of the sliding hole 1210 with the cross section of a circular arc shape, and the adjusting sleeve 123 is in threaded connection with the external thread on the second sliding rod 122 through a threaded hole. In actual use, the length of the telescopic member 120 is adjusted by rotating the adjusting sleeve 123 to enable the first sliding rod 121 and the second sliding rod 122 to slide relatively along the first preset direction. And the adjusting sleeve 123 and the second sliding rod 122 are connected through threads, so that the self-locking function is realized.
In other embodiments, a protrusion may be disposed in the cylindrical hole of the adjusting sleeve 123, a thread groove is disposed on the outer peripheral surface of the second sliding rod 122, and the protrusion is clamped in the thread groove, so that the first sliding rod 121 and the second sliding rod 122 can slide relatively along the first preset direction by rotating the adjusting sleeve 123. Obviously, in other embodiments, a thread groove may be disposed on the hole wall of the cylindrical hole of the adjusting sleeve 123, and the outer peripheral surface of the second sliding rod 122 is provided with a protrusion, where the protrusion is clamped in the thread groove, so that the above function can be achieved, which is not described herein.
In other embodiments, the telescopic member 120 further includes a first locking screw 124, where the first locking screw 124 is screwed on the first sliding rod 121, and an end of the first locking screw 124 may abut on an outer peripheral surface of the second sliding rod 122 inserted into the first sliding rod 121 during screwing, so as to achieve locking of the first sliding rod 121 and the second sliding rod 122. It should be appreciated that in other embodiments, the first locking screw 124 may also be threaded onto the adjustment sleeve 123.
Referring to fig. 1 and 2, in the present embodiment, the fixing frame 001 further includes four mounting rings 130, two adjusting rings 140 and two second locking screws 150. Two mounting rings 130, one adjustment ring 140 and one second locking screw 150 are a set of mounting structures.
Alternatively, the cross-sectional outer contour of the mounting ring 130 may be, but is not limited to, circular, the mounting ring 130 having a through-hole with an oval, rectangular, square cross-section, or the cross-sectional shape of the through-hole on the mounting ring 130 may include at least one straight line segment.
Alternatively, the adjusting ring 140 may be, but not limited to, a cylindrical ring, the adjusting ring 140 has a threaded hole, and an outer circumferential surface of the adjusting ring 140 may be provided with an anti-slip part, which may be a plurality of planes sequentially connected in a circumferential direction of the adjusting ring 140 with an included angle between adjacent two planes.
Referring to fig. 1, in the present embodiment, four mounting rings 130, two adjusting rings 140 and two second locking screws 150 are divided into two sets of mounting structures, and the two sets of mounting structures are respectively mounted on the first sliding rod 121 and the second sliding rod 122, and the connection structures of the first sliding rod 121 and the second sliding rod 122 with the mounting structures are the same, and here, the first sliding rod 121 is taken as an example for illustration. The two mounting rings 130 of the same group are mounted at one end of the first sliding rod 121 far away from the second sliding rod 122, the axes of the two mounting rings 130 are collinear, the two mounting rings 130 are spaced along a second preset direction, the adjusting ring 140 is mounted between the two mounting rings 130 of the same group, the adjusting ring 140 can rotate relative to the mounting rings 130, and the adjusting ring 140 and the mounting rings 130 are relatively fixed in the axial direction of the mounting rings 130. A second locking screw 150 in the same set of mounting structures is threaded onto one of the mounting rings 130, and the end of the second locking screw 150 can abut against the adjustment ring 140 during threading to limit rotation of the adjustment ring 140 relative to the mounting ring 130. Alternatively, the mounting ring 130 and the first sliding rod 121 may be integrally formed, and the mounting ring 130 and the second sliding rod 122 may be integrally formed.
In this embodiment, the first supporting member 110 includes a first rod portion 111 and a second rod portion 112 connected to each other and having an included angle, and optionally, the first rod portion 111 and the second rod portion 112 are perpendicular to each other. The outer circumferential surface of the first shaft portion 111 includes a second plane 1110 and a second cylindrical surface 1111, the second plane 1110 extending in the axial direction of the first shaft portion 111, the second plane 1110 being connected to the second cylindrical surface 1111, in other words, the first shaft portion 111 is obtained by cutting out a portion of the cylindrical shaft from a second plane 1110 in the axial direction parallel to a cylindrical shaft such that the cross-sectional profile of the first shaft portion 111 includes a straight line segment and an arc segment. The second cylindrical surface 1111 of the first rod portion 111 is provided with an external thread, the second plane 1110 is provided with a second scale line 1112, and a measurement range of the second scale line 1112 is parallel to an axial direction of the first rod portion 111. The second rod portion 112 may be, but is not limited to, a cylindrical rod, and an end of the second rod portion 112 remote from the first rod portion 111 is provided with a first connection portion 1121, and the first connection portion 1121 may be a spherical groove.
In this embodiment, the first connector 100 includes a body 101 and a second connector 102, where the body 101 may be, but is not limited to, a cylindrical rod, and the second connector 102 may be a ball protrusion, and the second connector 102 is located at one end of the body 101.
It should be appreciated that in other embodiments, the first connecting portion 1121 is a ball groove and the second connecting portion 102 is a ball protrusion.
Referring to fig. 3, in this embodiment, the fixing frame 001 further includes a clamping member 160, where the clamping member 160 may be, but is not limited to, a cylindrical sleeve, the clamping member 160 is provided with a first hole section 161 and a second hole section 162, the first hole section 161 may be a cylindrical hole, the second hole section 162 may be a spherical hole, the first hole section 161 and the second hole section 162 are coaxially disposed, and the first hole section 161 is not smaller than the inner diameter of the second hole section 162. The bore wall of the first bore section 161 is provided with internal threads, in other words, the first bore section 161 may be a threaded bore.
In this embodiment, the ball protrusion is inserted into the ball groove, the clamping member 160 is sleeved outside the body 101 from the end portion of the body 101 away from the first connecting portion 1121, then the first hole section 161 of the clamping member 160 is screwed outside the second rod portion 112, the inner diameter of the second hole section 162 is larger than the outer diameter of the body 101 and smaller than the diameter of the ball protrusion, the ball protrusion is clamped between the clamping member 160 and the second rod portion 112, when the ball protrusion is clamped, a part of spherical surface of the ball protrusion is abutted on the groove wall of the ball groove, and meanwhile, a part of spherical surface of the ball protrusion is abutted on the spherical surface of the second hole section 162, so as to realize clamping connection between the first connecting member 100 and the first supporting member 110. Meanwhile, when the angle of the body 101 relative to the second rod portion 112 needs to be adjusted, the clamping piece 160 is unscrewed first, so that the ball head protrusion can move, and at this time, when the body 101 is rotated to be positioned at a set angle with the second rod portion 112, the clamping piece 160 is rotated again, so that the spherical surface of the ball head protrusion abuts against the groove wall of the ball head groove and the spherical surface of the second hole section 162, and positioning is completed.
Referring to fig. 1, after the fixing frame 001 provided in this embodiment is installed, the first connecting member 100 and the first supporting member 110 pass through the two mounting rings 130 and the one adjusting ring 140 of the same group, the adjusting ring 140 is screwed with the first rod 111, the second plane 1110 of the first rod 111 is attached to the plane wall of the through hole of the mounting ring 130, the second cylindrical surface 1111 of the first rod 111 is attached to the circular arc surface wall of the through hole of the mounting ring 130, the first rod 111 and the mounting ring 130 are relatively fixed in the circumferential direction of the mounting ring 130 or the adjusting ring 140, the installation completion axis is parallel to the extension direction of the extension member 120 in the length direction of the body 101. During actual adjustment, the first sliding rod 121 and the second sliding rod 122 slide relatively along the first preset direction to adjust the length of the telescopic member 120, and the first rod portion 111 slides relative to the first sliding rod 121 or the second sliding rod 122 along the second preset direction by rotating the adjusting ring 140 to adjust the height of the first supporting member 110, that is, the height of the first connecting member 100 is adjusted, and meanwhile, the angle of the first connecting member 100 relative to the first supporting member 110 can be adjusted, so that the fixing frame 001 is convenient to adjust, wide in adjusting range and flexible and reliable in use.
Referring to fig. 5, in other embodiments, the fixing frame 001 further includes a second supporting member 170 and a second connecting member 180, wherein the second supporting member 170 is connected to the first connecting member 100, and the second connecting member 180 is connected to the second supporting member 170 and can swing relative to the second supporting member 170. It should be noted that the structures of the second supporting member 170 and the second connecting member 180 are the same as those of the first supporting member 110 and the first connecting member 100, and will not be described herein.
Example 2
Referring to fig. 4, the present embodiment provides a resetting system 01, which includes a fixing pin 002 and the fixing frame 001 provided in the above embodiment 1, wherein the fixing pin 002 is fixed on the body 101 of the first connecting member 100 or/and the second connecting member 180.
One specific application of this embodiment is as follows:
referring to fig. 4, the resetting system 01 includes a fixing frame 001 and four fixing nails 002. Two fixing nails 002 are divided into one group, and four fixing nails 002 are divided into two groups. Two fixing nails 002 of the same group are implanted into one bone segment, and two groups of fixing nails 002 are respectively implanted into two bone segments. Then, the two sets of the fixing nails 002 are in one-to-one correspondence with the two first connecting pieces 100, the two fixing nails 002 of the same set are respectively mounted on one first connecting piece 100, and the two fixing nails 002 of the same set have intervals along the length direction of the body 101 of the first connecting piece 100. Then, the fixing frame 001 is adjusted according to the bone position and length of the patient in the normal state, for example, the angles of the first connector 100 and the second connector 180 are adjusted so that the two bones Duan Da are parallel, then the adjusting ring 140 is rotated so that the two bones Duan Da are at the same height, and the adjusting sleeve 123 is rotated so that the two bones are relatively close to each other to be butted or relatively far apart to be separated, so that the positions and lengths of the two bones are the same as those of the bones in the normal state after the two bones are adjusted, and the adjusting ring 140 and the adjusting sleeve 123 are locked to complete the adjustment and positioning of the fracture position.
Referring to fig. 5, in other embodiments, the second support member 170 may be mounted on the first connecting member 100, and then the fixing nails 002 may be mounted on both the first connecting member 100 and the second connecting member 180, as needed, which is not specifically described herein.
It should be noted that, the fixing nail 002 provided in this embodiment is directly fixed on the first connecting piece 100 or the second connecting piece 180, the height of the fixing nail 002 is not required to be adjusted, the length of the part of the fixing nail 002 which is not implanted into the human body is short, the fixing nail 002 is not required to be cut and sawed, and the fixing nail is convenient and safe to use.
Referring to fig. 6 to 7, optionally, the fixing pin 002 includes a pin sleeve 200, a pin rod 210, a pressing block 220, a clamping block 230 and a nut 240 having an inner hexagon, wherein the nut 240, the pressing block 220 and the clamping block 230 are all connected to the pin sleeve 200 and are arranged at intervals along an axial direction of the pin sleeve 200, one end of the pin rod 210 is in a ball shape, a ball end of the pin rod 210 is clamped between the pressing block 220 and the clamping block 230, the first connecting piece 100 is inserted between the nut 240 and the pressing block 220, and screwing the nut 240 can clamp the first connecting piece 100 between the nut 240 and the pressing block 220, and clamp the pin rod 210 between the pressing block 220 and the clamping block 230. The pin 210 has a ball end, and the angle of the pin 210 relative to the pin sleeve 200 can be adjusted within a certain range, so that the range of application is wide.
It will be apparent that in other embodiments, staple 002 may be of other configurations.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The fixing frame is characterized by comprising two first connecting pieces, two first supporting pieces and a telescopic piece capable of stretching along a first preset direction, wherein the two first supporting pieces are respectively in sliding fit with the two telescopic ends of the telescopic piece along a second preset direction with an included angle with the first preset direction, the two first connecting pieces are respectively connected with the two first supporting pieces, and at least one first connecting piece can swing relative to the corresponding first supporting piece;
the first supporting piece is provided with a first connecting part, the first connecting piece is provided with a second connecting part, and the first connecting part is connected with the second connecting part and forms a ball joint connecting structure which is matched with each other;
the first connecting part is a ball groove, the second connecting part is a ball protrusion, and the ball protrusion is embedded in the ball groove;
the fixing frame further comprises a clamping piece, wherein the clamping piece is provided with a first hole section and a second hole section which are in a stepped hole shape, the inner diameter of the first hole section is larger than that of the second hole section, the first connecting piece penetrates through the first hole section and the second hole section, and the outer diameter of the position, corresponding to the second hole section, of the first connecting piece is smaller than that of the second hole section, so that the first connecting piece can correspond to the second hole Duan Baidong; the clamping piece is connected with the first supporting piece; the part of the spherical surface of the ball head bulge is abutted against the inner wall of the ball head groove, and the part of the spherical surface of the ball head bulge is abutted against the inner wall of the first hole section;
the first supporting piece comprises a first rod part and a second rod part which are connected and have an included angle, the first rod part is connected with the telescopic piece and is in sliding fit along the second preset direction, and the first connecting part is positioned at the end part of the second rod part far away from the first rod part;
the fixing frame further comprises two mounting rings with through holes and two adjusting rings with threaded holes, wherein one mounting ring is respectively connected to two telescopic ends of the telescopic piece, and the adjusting rings are in rotary connection with the corresponding mounting rings and are relatively fixed in the axial direction of the mounting rings; the first rod part passes through the through hole and is in threaded connection with the threaded hole, and the first rod part and the mounting ring are relatively fixed in the circumferential direction of the mounting ring; when the adjusting ring is rotated, the first rod part slides relative to the mounting ring along the second preset direction;
the number of the mounting rings is four, two mounting rings are in a group and are respectively arranged at two telescopic ends of the telescopic piece, the two mounting rings in the same group are arranged at intervals along the second preset direction, and the adjusting rings are positioned between the two mounting rings in the same group;
the fixing frame further comprises a second supporting piece and a second connecting piece, wherein the second supporting piece is connected with the first connecting piece, and the second connecting piece is connected with the second supporting piece and can swing relative to the second supporting piece.
2. The fixing frame according to claim 1, wherein the telescopic member comprises a first sliding rod, a second sliding rod and an adjusting sleeve, the first sliding rod is in sliding fit with the second sliding rod along the first preset direction and is relatively fixed in the circumferential direction of the first sliding rod or the second sliding rod, the adjusting sleeve is in rotary connection with the first sliding rod and is relatively fixed in the axial direction of the first sliding rod, and the adjusting sleeve is in threaded connection with the second sliding rod; when the adjusting sleeve is rotated, the first sliding rod slides along the first preset direction relative to the second sliding rod.
3. A reduction system comprising a staple and a mount according to any one of claims 1-2, the staple being mounted on the first connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353668.7A CN109907811B (en) | 2019-04-29 | 2019-04-29 | Fixing frame and resetting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353668.7A CN109907811B (en) | 2019-04-29 | 2019-04-29 | Fixing frame and resetting system |
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| CN109907811A CN109907811A (en) | 2019-06-21 |
| CN109907811B true CN109907811B (en) | 2023-09-26 |
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| CN201910353668.7A Active CN109907811B (en) | 2019-04-29 | 2019-04-29 | Fixing frame and resetting system |
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| CN109567914A (en) * | 2018-11-16 | 2019-04-05 | 四川大学华西医院 | Scalable defective bone restoration external fixation device |
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|---|---|---|---|---|
| ITBO20020309A1 (en) * | 2002-05-20 | 2003-11-20 | Citieffe Srl | EXTERNAL FIXER FOR THE TREATMENT OF BONE FRACTURES |
| US8444644B2 (en) * | 2008-02-12 | 2013-05-21 | Texas Scottish Rite Hospital For Children | Fast adjust external fixation connection rod |
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| FR2457676A1 (en) * | 1979-06-01 | 1980-12-26 | Ingrassia Vincent | Adjustable bone fracture fixator - has tubular support with two sliding collars each with ball joint mounting cylindrical element and array of pins |
| CA2050596A1 (en) * | 1990-02-05 | 1991-08-06 | Anthony Philip Pohl | External fixation device |
| EP0604697A1 (en) * | 1992-12-16 | 1994-07-06 | Milorad Dr. Mitkovic | Apparatus for external skeletal fixation |
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|---|---|
| CN109907811A (en) | 2019-06-21 |
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