CN214018017U - Fracture reduction device - Google Patents
Fracture reduction device Download PDFInfo
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- CN214018017U CN214018017U CN202021983459.5U CN202021983459U CN214018017U CN 214018017 U CN214018017 U CN 214018017U CN 202021983459 U CN202021983459 U CN 202021983459U CN 214018017 U CN214018017 U CN 214018017U
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Abstract
The utility model provides a fracture resetting device, which comprises a vertical resetting unit and a horizontal resetting unit, wherein the vertical resetting unit comprises a first operating rod, a third operating rod and a resetting rod; the third operating rod is connected between the two ends of the first operating rod, and the reset rod is connected to one end of the first operating rod; the horizontal reset unit comprises a second operating rod; the first end of the second operating rod is connected with the reset rod. The fracture reduction device can be used for horizontally and vertically positioning the fracture part at the same time, so that reduction and loss are not easy to occur, the reduction operation time can be reduced, and the pain of a patient is relieved; the first operating rod and the second operating rod are convenient to hold; stable structure and convenient operation, and is particularly suitable for the external reduction of the femoral fracture of children.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a fracture resetting means.
Background
The femur bears the weight of half of the upper half of the human body and is an important bone in the long bones of the limbs of the human body, so the anatomical reduction of the femur is very critical. Children have smaller limbs, but children's limbs are not simply scaled down as adult limbs, which have anatomical, physiological features different from adults, and thus, reduction in femoral fracture surgery in children is different from adults. Femoral fractures in children often use elastic nails implanted in the medullary cavity of the bone.
In clinical practice, the intraoperative reduction of femoral fracture of children by using elastic nails usually takes bare-handed traction as a main part, and even needs assistance of a plurality of people and repeated confirmation of X-ray films so as to complete reduction; in the operation after reduction, the reduction is easy to lose, so that the reduction has to be cut in the operation, the operation time is long, the operation is inconvenient, and the children patients are greatly injured, such as blood circulation is damaged, and the healing is influenced. In addition, X-ray films are required to be taken for a plurality of times during resetting, which causes great damage to doctors and children patients. An extracorporeal resetting device capable of being positioned horizontally and vertically at the same time has not been available in clinic for a long time.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides a fracture resetting means, and it can carry out the horizontal location and the vertical location of fracture department simultaneously, is difficult for taking place to reset and loses, can shorten the operation time.
In order to achieve the above object, the present invention provides the following technical solutions:
a fracture reduction device comprises a vertical reduction unit for vertically reducing a fracture part and a horizontal reduction unit for horizontally reducing the fracture part;
the vertical reset unit comprises a first operating rod, a third operating rod and a reset rod;
the first operating rod has a first end and a second end;
the third operating rod is connected between the first end and the second end of the first operating rod;
the reset rod comprises a reset section and a fixed section which are used for being matched with the first operating rod and the third operating rod to perform vertical reset, and the reset section is connected with the fixed section; the fixed section encircles the fracture position setting, and the connection status of reduction section and the first end of first action bars includes: in the first state, the reset section is fixedly connected with the first end of the first operating rod; and a second state in which the reset segment is slidably connected to the first end of the first lever;
the horizontal reset unit comprises a second operating rod;
the second operating rod has a first end and a second end; the first end of the second operating rod is connected with the resetting section; when the connection state of the reset section of the reset rod and the first end of the first operating rod is in a second state, the second operating rod movably drives the reset section to slide, and then the fixing section is driven to horizontally reset the fracture part.
Furthermore, the fracture reduction device is also provided with a connecting piece, and the second operating rod is movably connected with the first operating rod through the connecting piece.
Further, one end of the connecting piece is connected between the first end and the second end of the first operating rod, and the other end of the connecting piece is connected between the first end and the second end of the second operating rod.
Furthermore, an elastic sheet is arranged between the connecting piece and the first operating rod.
Furthermore, the first end of first action bars is provided with the position sleeve, is provided with the fastener on the position sleeve, and the section that resets of release link wears to locate in the position sleeve, and the section that resets is provided with the locking hole that corresponds the setting with the fastener.
Furthermore, the reset section is provided with a notch, the first end of the second operating rod is provided with a clamping column, and the clamping column is positioned in the notch, so that the first end of the second operating rod is connected with the reset section.
Furthermore, the reset segment is provided with a plurality of gaps along the length direction.
Furthermore, a plurality of gaps are arranged on two sides of the reset segment.
Further, the second operating rod comprises a straight section and a bent section, the straight section is connected with the reset rod, and the distance between the bent section and the first operating rod is larger than that between the straight section and the first operating rod.
Furthermore, one end of the third operating rod is vertically connected to the first operating rod.
Since the proposal is adopted, the beneficial effects of the utility model are that:
the fracture reduction device provided by the utility model can simultaneously carry out horizontal and vertical positioning on the fracture part, namely, the fracture reduction device can realize horizontal reduction under the condition of vertical reduction maintenance or vertical reduction under the condition of horizontal reduction maintenance, the reduction loss can not occur, the reduction operation time can be reduced, and the reduction pain of the patient can be reduced; the reset device for in vitro vertical reset and the horizontal reset device are combined into a whole, so that the reset operation and the reset instrument structure are greatly simplified;
the first operating rod and the second operating rod of the fracture reduction device provided by the utility model are convenient to hold;
the utility model provides a fracture resetting device stable in structure, the operation of being convenient for is particularly useful for the external reduction of children's femoral fracture.
Drawings
Fig. 1 is a schematic structural view of a fracture reduction device according to an embodiment of the present invention;
fig. 2 is a top view of the reset lever of fig. 1;
fig. 3 is a side view of the second operating lever of fig. 1.
Wherein:
1. a correction element; 11. a first operating lever; 12. a third operating lever; 13. a positioning sleeve; 14. a threaded hole; 15. a fastener;
2. a reset lever; 21. a reset segment; 22. a fixed section; 23. opening the gap;
3. a second operating lever; 31. clamping the piece; 311. a side plate; 312. connecting sheets; 313. clamping the column; 32. a straight section; 33. bending the section;
4. a connecting member; 41. a spring plate; 42. an active segment; 43. a clamping section; 44. a first fastener mounting hole; 45. a second fastener mounting hole; 46. a first fastener; 47. a second fastener; 48. a third fastener; 49. and a fourth fastener.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; 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 in specific cases to those skilled in the art.
In addition, the vertical reduction of the utility model refers to the reduction of the fracture part in the lifting direction.
The utility model provides a fracture reduction device, which comprises a vertical reduction unit for vertically reducing the fracture part and a horizontal reduction unit for horizontally reducing the fracture part;
the vertical reset unit comprises a first operating rod, a third operating rod and a reset rod;
the first operating rod has a first end and a second end;
the third operating rod is connected between the first end and the second end of the first operating rod;
the reset rod comprises a reset section and a fixed section which are used for being matched with the first operating rod and the third operating rod to perform vertical reset, and the reset section is connected with the fixed section; the fixed section encircles the fracture position setting, and the connection status of reduction section and the first end of first action bars includes: in the first state, the reset section is fixedly connected with the first end of the first operating rod; and a second state in which the reset segment is slidably connected to the first end of the first lever;
the horizontal reset unit comprises a second operating rod;
the second operating rod has a first end and a second end; the first end of the second operating rod is connected with the resetting section; when the connection state of the reset section of the reset rod and the first end of the first operating rod is in a second state, the second operating rod movably drives the reset section to slide, and then the fixing section is driven to horizontally reset the fracture part.
The fracture reduction device can simultaneously perform in-vitro horizontal positioning and vertical positioning on a fracture part, specifically, the connection of the reduction section and the first end of the first operating rod is firstly in a first state, the first operating rod, the reduction section and the third operating rod form an approximate F-shaped structure (preferably, one end of the third operating rod is vertically connected to the first operating rod), the fixing section surrounds the fracture part, and the fracture part of a patient, such as femur, can be lifted and vertically reduced through the structure; after the fracture part is vertically reset, the connection between the reset section and the first end of the first operating rod is in a second state, the second operating rod is applied with force to drive the reset rod to slide (at the moment, the fixing section still hooks the fracture part), and then the fracture part is horizontally reset. The operator can also perform horizontal reset before vertical reset as required. The fracture reduction device can realize horizontal reduction under the condition of vertical reduction and maintenance or vertical reduction under the condition of horizontal reduction and maintenance, does not cause reduction loss, can reduce the reduction operation time and reduce the reduction pain of a patient; the reset device for external vertical reset and the horizontal reset device are combined into a whole, so that the reset operation and the reset instrument structure are greatly simplified.
The fixing section surrounding the fracture part can be an arc section and the like, and is used for hooking the fracture part in the reduction process and pulling the fracture part to reduce.
Furthermore, in order to facilitate the movement of the second operating rod and facilitate the resetting operation of an operator, the fracture resetting device is also provided with a connecting piece, and the second operating rod is movably connected with the first operating rod through the connecting piece. The first operating rod and the second operating rod can be connected in a hinged mode. The connection between the first operating lever and the second operating lever can also be in other forms, such as: one end of the connecting piece is connected between the first end and the second end of the first operating rod, and the other end of the connecting piece is connected between the first end and the second end of the second operating rod. The connecting piece plays the role of a lever fulcrum, the second operating rod is convenient to move, and the connecting piece can be a connecting plate and the like.
Furthermore, an elastic sheet is arranged between the connecting piece and the first operating rod and is connected through the elastic sheet, so that the connection is firmer.
Furthermore, the first end of first action bars is provided with the position sleeve, is provided with the fastener on the position sleeve, and the section that resets of release link wears to locate in the position sleeve, and the section that resets is provided with the locking hole that corresponds the setting with the fastener. The design can realize that the first end of the reset rod and the first operating rod has two convertible connection states, and the structure is simple and the operation is convenient.
Furthermore, in order to facilitate the storage of the fracture reduction device, the second operating rod is detachably connected with the reduction rod, preferably, the reduction section is provided with a notch, the first end of the second operating rod is provided with a clamping column, and the clamping column is positioned in the notch, so that the first end of the second operating rod is connected with the reduction section.
Furthermore, the reset segment is provided with a plurality of gaps along the length direction thereof so as to adapt to the requirements of different patients and operators.
Furthermore, a plurality of gaps are arranged on two sides of the reduction section, so that the reduction device can be used for reduction of left fracture and right fracture, the application range of the device is widened, and the structure of the device is simplified.
Further, for the convenience of operator's through second action bars pulling release link, and do not form the interference to first action bars when utilizing second action bars pulling release link, the second action bars includes straight section and bending segment, and straight section is connected with the release link, and the distance of bending segment and first action bars is greater than the distance of straight section and first action bars.
The first operating rod and the second operating rod in the fracture reduction device are convenient to hold, and the lengths of the first operating rod and the second operating rod can be adjusted according to actual requirements; in addition, the structure is stable, the operation is convenient, and the device is particularly suitable for in-vitro reduction of femoral fracture of children.
In particular to an external reduction device of a femoral fracture of children by using elastic nails, which is shown in figures 1-3 and comprises a correction piece 1, a reduction rod 2, a second operating rod 3 and a connecting piece 4.
The correcting piece 1 comprises a first operating rod 11, a third operating rod 12 and a positioning sleeve 13, a resetting device is provided with a first end and a second end along the length direction of the first operating rod 11, one end of the third operating rod 12 is perpendicularly arranged between two ends of the first operating rod 11, the end part of the first end on the first operating rod 11 is provided with the positioning sleeve 13, the axis of the positioning sleeve 13 is parallel to the axis of the third operating rod 12, the side wall of the positioning sleeve 13 is provided with a threaded hole 14, a fastening piece 15 is arranged in the threaded hole 14, the fastening piece 15 can penetrate through the threaded hole 14 on one side wall of the positioning sleeve 13, so that the resetting rod 2 is locked on the positioning sleeve 13, and a first hole is formed between the end part of the first end on the first operating rod 11 and the third operating rod 12.
The reset rod 2 comprises a reset section 21 and a fixed section 22, the diameter of the reset section 21 is matched with the inner diameter of the positioning sleeve 13 and penetrates through the positioning sleeve 13, one end of the fixed section 22 is arranged at one end of the reset section 21 along the direction of the reset section 21, the fixed section 22 protrudes towards the direction far away from the reset section 21 along the direction of the straight rod, the fixed section 22 is used for enclosing the thigh of the infant, an opening 23 is arranged on the side of the reset section 21, and the opening direction of the opening 23 is along the length direction of the third operating rod 12.
The second operating rod 3 comprises a clamping piece 31, a straight section 32 and a bent section 33 which are arranged in sequence, and a second hole is formed between the straight section 32 and the bent section 33; the straight section 32 is arranged on the side of the first operating rod 11 along the direction of the first operating rod 11, the end part of the first end of the straight section is provided with a clamping piece 31, the clamping piece 31 is adapted to the notch 23 and clamped in the notch 23, and the end part of the second end of the straight section 32 is arranged at the position of a second hole; the first end of the bending section 33 is arranged at the second end of the straight section 32, and the second end of the bending section 33 is inclined away from the first operating rod 11, so that a certain distance is reserved between the second end of the first operating rod 11 and the second end of the second operating rod 3, which is convenient for rotating the second operating rod 3 around the position of the connecting piece 4, and holding the first operating rod 11 and the second operating rod 3 respectively to perform bone restoration in the horizontal direction and bone restoration in the vertical direction.
The one end of connecting piece 4 is located 3 second hole positions of second action bars, and the other end is located 11 first hole positions of first action bars, and second action bars 3 passes through the mobilizable fixed first action bars 11 sides of locating of connecting piece 4, and connecting piece 4 can set up second action bars 3 fixed or activity in 11 one sides of first action bars.
The third operating rod 12 is positioned on one side of the thigh of the child, the reset rod 2 is positioned on the other side of the thigh of the child, the first operating rod 11 and the second operating rod 3 are positioned in front of the thigh of the child, and the first operating rod 11 is lifted to reset the thigh of the child in the vertical direction; the operator holds the second operating rod 3 to move, pushes the notch 23 through the clamping piece 31, and moves the reset rod 2 along the positioning sleeve 13 to reset the thigh of the child in the horizontal direction.
The first operating rod 11 and the second operating rod 3 are convenient to hold, and when the first operating rod 11 is pulled, the bone restoration in the vertical direction can be realized; when the bending section 33 of the second operating rod 3 rotates around the position of the connecting piece 4, according to the lever principle, the opening 23 can be driven to move by the clamping piece 31, and then the reset rod 2 is driven to move along the direction of the inner hole of the positioning sleeve 13, so that the skeleton reset in the horizontal direction is realized. In addition, when the first operating rod 11 is adjusted, the positioning sleeve 13 and the reset section 21 are locked by using a fastener; when the second operating rod 3 is adjusted, the reset section 21 is positioned in the positioning sleeve 13 and can slide, the second operating rod 3 is abutted against a notch 23 of the reset section 21, the structure of the fracture resetting device can be kept stable during adjustment, and the fracture resetting device is beneficial to protecting an operator during X-ray irradiation.
Preferably, the inner diameter of the positioning sleeve 13 and the outer diameter of the reset rod 2 reset section 21 are both 18mm, so that the reset rod 2 reset section 21 smoothly passes through the positioning sleeve 13, the threaded hole 14 in the side wall of the positioning sleeve 13 is an M8 threaded hole 14, the first operating rod 11 adopts a round bar structure with the length of 500mm, and the third operating rod 12 has the length of 200 mm.
Further, as shown in fig. 3, the connecting member 4 includes: the pair of elastic sheets 41 are symmetrically arranged on two sides of the straight section 32 of the first operating rod 11 and the second operating rod 3, each elastic sheet 41 comprises a movable section 42 and a clamping section 43, the movable section 42 inclines towards the outer side of the first operating rod 11 and is provided with a first fastener mounting hole 44, and the clamping section 43 is provided with a second fastener mounting hole 45; the first fastener 46 and the second fastener 47, the first fastener 46 passes through the first fastener mounting hole 44 of one of the spring plates 41, the first hole of the first operating rod 11, the first fastener mounting hole 44 of the other spring plate 41 and the second fastener 47 in sequence; the third fastener 48 and the fourth fastener 49, the third fastener 48 sequentially passes through the second fastener mounting hole 45 of one of the spring plates 41, the second hole of the second operating rod 3, the second fastener mounting hole 45 of the other spring plate 41 and the fourth fastener 49 to fix the two spring plates 41 on two sides of the straight section 32 of the second operating rod 3; when the first fastener 46 is not screwed with the second fastener 47, the second operating rod 3 is movably arranged on one side of the first operating rod 11; when the first fastening member 46 and the second fastening member 47 are fastened, the two resilient pieces 41 are fixed to two sides of the first operating lever 11, and the second operating lever 3 is fixed to a side of the first operating lever 11. The fasteners 15, the first fasteners 46 and the third fasteners 48 are bolts, and the second fasteners 47 and the fourth fasteners 49 are lock nuts. When the bending section 33 of the second operating rod 3 is controlled to rotate around the position of the connecting piece 4, according to the lever principle, the opening 23 can be driven to move by the clamping piece 31, and then the reset rod 2 is driven to move along the positioning sleeve 13, so that the skeleton reset in the horizontal direction is realized. Preferably, the second operating rod 3 can adjust the distance of the reset rod 2 moving along the inner hole of the positioning sleeve 13 to be 3-5 cm.
Further, as shown in fig. 3, the catching member 31 includes a pair of side plates 311, a connecting piece 312, and a catching column 313. Wherein: two side plates 311 of the pair of side plates 311 are arranged in parallel and opposite to each other; the connecting piece 312 is arranged right above the straight section 32 of the second operating rod 3, one end of the connecting piece 312 is vertically arranged at one end of one side plate 311, and the other end of the connecting piece 312 is vertically arranged at one end of the other side plate 311; the clamping column 313 is arranged between the two side plates 311, one end of the clamping column 313 is vertically arranged on one side plate 311, the other end of the clamping column 313 is vertically arranged on the other side plate 311, the diameter of the clamping column 313 is matched with the opening 23, and the clamping column 313 can be clamped in the opening 23 to drive the reset rod 2 to move along the inner hole direction of the positioning sleeve 13. Preferably, the snap post 313 has a diameter of 7.
Furthermore, as shown in fig. 1 and 2, two sides of the reset segment 21 of the reset lever 2 along the length direction of the third operating lever 12 are both provided with notches 23, which is convenient for the use of the reset lever 2; in the operation, the notch 23 at the proper position can be selected according to the condition of the infant patient to be matched with the clamping piece 31, so that the bone reduction in the horizontal direction can be realized conveniently; the plurality of gaps 23 are evenly distributed on the reset segment 21, so that the reset segment 21 or the clamping piece 31 can be conveniently moved in the operation, and the gaps 23 at proper positions are selected to be matched with the clamping piece 31 according to the condition of the sick child.
The method of using the fracture reduction device is described below with reference to the accompanying drawings,
when the bone is reset in the vertical direction, the fastener 15 is screwed down, the infant lies down, the fixing section 22 of the reset rod 2 hooks the leg of the femoral fracture of the patient, the third operating rod 12 is positioned on one side of the leg of the infant, the reset rod 2 is positioned on the other side of the leg of the infant, the fracture part is positioned between the third operating rod 12 and the reset section 21 of the reset rod 2, namely the leg of the infant penetrates out from the gap between the reset rod 2 and the third operating rod 12; the first operating rod 11 is held to carry out lifting reset;
when the skeleton in the horizontal direction is reset, the fastener 15 and the first fastener 46 are firstly unscrewed, the second operating rod 3 is held to enable the bending section 33 to rotate around the position of the connecting piece 4, the notch 23 is driven to move through the clamping piece 31 according to the lever principle, and then the reset rod 2 is driven to move along the inner hole direction of the positioning sleeve 13, so that the skeleton in the horizontal direction is reset;
after the reduction is completed, the fastener 15 and the first fastener 46 are screwed, and the reduction state is kept; and then performing subsequent operations such as implanting elastic nails by operation and the like according to requirements.
The fracture reduction device can simultaneously carry out horizontal and vertical positioning on the fracture part, namely the fracture reduction device can carry out horizontal reduction under the condition of vertical reduction and maintenance or carry out vertical reduction under the condition of horizontal reduction and maintenance, the reduction loss can not occur, the reduction operation time can be reduced, and the reduction pain of a patient can be reduced; the reset device for in vitro vertical reset and the horizontal reset device are combined into a whole, so that the reset operation and the reset instrument structure are greatly simplified; the first operating rod and the second operating rod are convenient to hold; in addition, the structure is stable, the operation is convenient, and the device is particularly suitable for the in vitro reduction of the femoral fracture of children.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The fracture reduction device is characterized by comprising a vertical reduction unit and a horizontal reduction unit;
the vertical reset unit comprises a first operating rod, a third operating rod and a reset rod;
the first operating rod has a first end and a second end;
the third operating rod is connected between the first end and the second end of the first operating rod;
the reset rod comprises a reset section and a fixed section which are used for being matched with the first operating rod and the third operating rod to perform vertical reset, and the reset section is connected with the fixed section; the fixed section encircles the fracture position setting, and the connection status of reduction section and the first end of first action bars includes: in the first state, the reset section is fixedly connected with the first end of the first operating rod; and a second state in which the reset segment is slidably connected to the first end of the first lever;
the horizontal reset unit comprises a second operating rod;
the second operating rod has a first end and a second end; the first end of the second operating rod is connected with the resetting section; when the connection state of the reset section of the reset rod and the first end of the first operating rod is in a second state, the second operating rod movably drives the reset section to slide, and then the fixing section is driven to horizontally reset the fracture part.
2. The fracture reduction device of claim 1, further comprising a connector, wherein the second lever is movably coupled to the first lever via the connector.
3. The fracture reduction device of claim 2, wherein one end of the connector is connected between the first and second ends of the first operating rod and the other end of the connector is connected between the first and second ends of the second operating rod.
4. The fracture reduction device of claim 3, wherein a spring plate is further disposed between the connector and the first operating rod.
5. The fracture reduction device according to claim 1, wherein the first end of the first operating rod is provided with a positioning sleeve, a fastening member is arranged on the positioning sleeve, the reduction section of the reduction rod is arranged in the positioning sleeve in a penetrating manner, and the reduction section is provided with a locking hole corresponding to the fastening member.
6. The fracture reduction device of claim 1, wherein the reduction section is provided with a notch, and the first end of the second operating rod is provided with a clamping column, and the clamping column is positioned in the notch to connect the first end of the second operating rod with the reduction section.
7. The fracture reduction device of claim 1, wherein the reduction segment is provided with a plurality of slits along its length.
8. The fracture reduction device of claim 1, wherein a plurality of slits are provided on both sides of the reduction segment.
9. The fracture reduction device of claim 1, wherein the second operating rod comprises a straight section and a bent section, the straight section is connected with the reduction rod, and the distance between the bent section and the first operating rod is greater than that between the straight section and the first operating rod.
10. The fracture reduction device of claim 1, wherein one end of the third operating rod is vertically connected to the first operating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021983459.5U CN214018017U (en) | 2020-09-11 | 2020-09-11 | Fracture reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021983459.5U CN214018017U (en) | 2020-09-11 | 2020-09-11 | Fracture reduction device |
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| Publication Number | Publication Date |
|---|---|
| CN214018017U true CN214018017U (en) | 2021-08-24 |
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| CN202021983459.5U Active CN214018017U (en) | 2020-09-11 | 2020-09-11 | Fracture reduction device |
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| CN (1) | CN214018017U (en) |
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