TWI706765B - Interlocking "ㄡ" type intramedullary double slender steel rods for reduction and fixation of humeral fractures near the elbow joint - Google Patents

Abstract

The invention provides an interlocking "ㄡ" type intramedullary double slender steel rod fracture reduction and fixation structure of the humerus near the elbow joint, which is mainly provided with a hollow screw, one end of the hollow screw is an integral fixing set device with a groove (The appearance is hexagonal), the groove is a concave spherical surface, which is used to match a hollow sphere with a groove on one side, and a tacking section composed of bolts. The other end of the hollow screw is a non-integrated fixing set. The device has a special thread on the top to match the screw group with another hollow and round sphere with a groove on one side, and a tacking section composed of bolts. The hollow inside the round sphere at both ends is used to make the intramedullary double slender steel rod Pass through, and then each use bolts to screw into the cut grooves on one side of the round spheres at both ends of the compression, and then lock and fix the double slender steel rods of the round spheres at both ends in the marrow. The other top of the hollow screw is equipped with a special thread and bolt lock When tightening, the fixing direction of the double slender steel rods in the medullary at both ends is the same, and the hollow screw has to be designed with different lengths and diameters according to the needs of the user; when the present invention is applied to the user, first use a guide pin on the X Under the optical monitoring system, it is introduced from the medial epicondyle of the distal humerus, passes through the center of the trochlear of the distal humerus, and reaches the lateral epicondyle of the distal humerus, and then a small tunnel is drilled along the guide pin with a hollow drill to make the hollow The screw moves along the guide pin from the medial epicondyle of the distal humerus to the distal humerus, passes through the center of the trochlear of the distal humerus, and reaches the lateral epicondyle of the distal humerus. The slender steel rods (pointed slightly curved) enter the humerus at the inner and lateral epicondyles of the distal end of the humerus. After the fracture, they advance in the intramedullary and touch the wall of the humerus. They turn to reach the proximal end of the humerus. They are respectively locked and fixed in the round spheres at both ends of the hollow screw intramedullary to complete the interlocking "ㄡ" type intramedullary double slender steel rods near the elbow joint bone of the humerus Fold reduction fixation method, because the surgical wound is located at the inner and outer epicondyle of the distal humerus (about 1 cm each), it is a minimally invasive surgery. During the operation, the orthopedist can set the hollow screw to match the intramedullary ends according to the situation. The round sphere, double slender steel rods, and double bolts are locked and fixed at an angle, which enables the treatment of fractures and lacerations of the humerus near the elbow joint to achieve the purpose of fracture reduction and fixation, so that a good fracture healing effect can be obtained.

Description

Interlocking "ㄡ" type intramedullary double slender steel rods for reduction and fixation of humeral fractures near the elbow joint

The present invention relates to an interlocking "ㄡ" type intramedullary double slender steel rod reduction and fixation structure for proximal elbow joint fractures of the humerus, and is especially designed for subsequent joint treatment after fractures and lacerations occur at the distal left joint of the human humerus. Through a hollow screw, one end of the hollow screw is an integral fixed set device with a groove (the appearance is hexagonal), and the groove is a concave spherical surface to match a round sphere with a hollow inside and a groove on one side. And the tacking section composed of bolts. The other end of the hollow screw is a non-integrated fixing set device. The top end is provided with a special thread to match the other hollow and round sphere with a groove on one side of the bolt. For the bar tacking section, use the hollow inside of the round spheres at both ends to allow the intramedullary double slender steel rods to pass through, and then use bolts to screw into the side cut grooves of the round spheres at both ends to close and lock the two ends of the intramedullary. Round sphere double slender steel rod, the other top of the hollow screw is provided with a special thread and bolt lock to tighten the timing, the fixing direction of the double slender steel rod in the marrow at both ends is the same, the hollow screw must be made of different lengths according to the needs of users. The designer of the ruler.

According to this, when human bones encounter improper force or impact, fractures and lacerations will inevitably occur. Although human bones have the function of self-healing, in order to maintain their bones to heal in a normal manner, generally when fractures and lacerations occur, Usually, external force must be used to reset the fracture and laceration, and even assistance must be used to maintain the shape of the fracture and laceration, so as to ensure the healing effect and prevent the bones from healing in a bad state and affecting future limb movements.

In various fractures and lacerations, the required joint and fixation methods are not the same. In addition to the common bone nail or plate fixation methods, for the treatment of fractures and lacerations near the elbow joint of the humerus, the shape is more Special, so in the joint fixation of fractures and lacerations, different methods are needed to deal with it.

For example, the previous cases such as No. M465887, No. M402092, No. M438892 and No. M442818 all revealed the common bone nail structure. Obviously, the effect of these bone nails on the fixation of humeral fractures and lacerations, It is not very ideal. At present, in the treatment of humeral fractures and lacerations, the fractured bone fragments caused by the fracture and laceration of the humerus are joined and returned to their positions. , So that it can use metal sheets and bone nails to maintain the shape of the humerus, so that it can heal and return to its original state.

However, in fact, this fixation method can only be applied to situations where the fracture and laceration of the humerus is not very serious. If the humerus is broken into multiple pieces, it may not be fixed with metal plates and bone nails. It is really necessary Those who try to solve it again.

In view of the fact that there is no ideal fixation method for the fracture and laceration of the proximal elbow joint of the humerus, there is no ideal fixation method. The inventor specially researched and developed the interlocking "ㄡ" type marrow based on his years of experience and technology in related industries. Internal double slender steel rods for reduction and fixation of fractures of the humerus near the elbow joint.

The interlocking "ㄡ" type intramedullary double slender steel rod reduction and fixation structure for near-elbow joint fractures of the humerus. When the present invention is applied to the user, a guide pin is first used under the X-ray monitoring system to start from the distal end of the humerus. Lead in the medial epicondyle, pass through the center of the trochlear of the distal humerus, to the humerus At the distal lateral epicondyle, use a hollow drill to drill a small tunnel along the guide pin, and move the hollow screw along the guide pin from the medial epicondyle of the distal end of the humerus to the distal end of the humerus, passing through the trochlear of the distal humerus At the center, reaching the lateral epicondyle of the distal humerus, the reduction and fixation of humerus near elbow joint fractures is based on double slender steel rods (points can be bent slightly), which enter the humerus at the medial and lateral epicondyles of the distal humerus. After the fracture, it advances in the intramedullary and touches the wall of the humerus and turns to reach the proximal end of the humerus. The double slender steel rods are locked and fixed in the round spheres at both ends of the hollow screw in the medullary respectively, thus completing the interlocking "ㄡ" A type of intramedullary double slender steel rod reduction and fixation method for near-elbow fractures of the humerus. Because the surgical wound is located at the inner and outer epicondyle of the distal humerus (about 1 cm each), it is a minimally invasive surgery. The locking and fixing angle of the hollow screw with the round spheres at both ends of the intramedullary, double slender steel rods, and double bolts can be set according to the needs of the situation, so that the treatment of the fracture of the humerus near the elbow joint can achieve the purpose of fracture reduction and fixation, so that it can be obtained Those with good healing effect.

The interlocking type "ㄡ" type intramedullary double slender steel rod fracture reduction and fixation structure of the humerus near the elbow joint uses a hollow screw. One end of the hollow screw is an integral fixing set device with a groove (the appearance is hexagonal Type), the groove is a concave spherical surface, which is used to match an inner hollow and a round sphere with a groove on one side, and a tacking section composed of bolts. The other end of the hollow screw is a non-integrated fixed set device, and the top is provided There are special threads to match the screw group with another hollow and round sphere cut on one side, as well as the tacking section composed of bolts. The inner hollow of the round sphere at both ends allows the intramedullary double slender steel rod to pass through. Each uses a bolt to screw into the cut groove on one side of the round sphere at both ends of the compression, close and lock the two slender steel rods of the round sphere at both ends of the intramedullary. The other top of the hollow screw is equipped with a special thread and bolt lock for fastening timing , If the fixation direction of the double slender steel rods in the medulla at both ends is the same, the double slender steel rods can effectively maintain the joint and fixation of the fracture and laceration of the humerus near the elbow joint, so that it can ensure the healing effect and solve the conventional metal sheet And bone nails may not be effectively fixed People with problems with the joint type of humeral lacerations.

(1): Hollow screw

(10): One-piece fixed set device

(11): Groove

(12): Hollow inside

(13): Side cut

(14): Round sphere

(15): Bolt

(16): Bar tacking section

(20): Non-integral molding fixed set device

(21): Special thread

(22): Hollow inside

(23): Side cut

(24): Round sphere

(25): Bolt

(26): Bar tacking section

(30): Slender steel rod

(31): Slender steel rod

(40): Humerus

(41): Small Tunnel

Figure 1: An exploded schematic view of the structure of the preferred embodiment of the present invention.

Figure 2: is a schematic diagram of the structure combination of a double slender steel rod with a linear short pitch tip and a hollow screw in a preferred embodiment of the present invention.

Figure 3 is a schematic diagram of the structure combination of a double slender steel rod with a slightly curved long-pitch tip and a hollow screw in a preferred embodiment of the present invention.

Figure 4: is a schematic side view of the structure of the preferred embodiment of the present invention (1).

Figure 5: is a schematic side view of the structure of the preferred embodiment of the present invention (2).

Figure 6 is a schematic diagram of the angle setting of the hollow screw in the preferred embodiment of the present invention (1).

Figure 7 is a schematic diagram of the angle setting of the hollow screw in the preferred embodiment of the present invention (2).

Figure 8 is a schematic diagram of a humerus fracture and laceration in a preferred embodiment of the present invention.

Figure 9 is a schematic diagram of a humeral fracture and a small tunnel in a preferred embodiment of the present invention.

Figure 10: It is a preferred embodiment of the present invention for humerus fractures, lacerations and small tunnels. One end of the hollow screw, round sphere, bolt, and the other end of the non-integrated fixing set device are provided with a non-integrated fixing set device. There is a special thread, with a round ball and the bolt is not screwed into the schematic diagram.

Figure 11: It is a preferred embodiment of the present invention for humerus fractures, lacerations and small tunnels. One end of the hollow screw, round sphere, bolt has been screwed in and the other end is a non-integrated fixing set. , With a special thread on the top, with a round sphere and a schematic diagram of not screwed into the bolt.

Figure 12: It is a preferred embodiment of the present invention for humerus fractures, lacerations and small tunnels. One end of the hollow screw, round sphere, bolt and the other end is a non-integrated fixing set, with the top end provided There are special threads, with round spheres and bolts have been screwed into the schematic diagram.

Figure 13 is a schematic diagram of various types of humeral fractures and lacerations of various types of humerus fractures with cross-drilled double slender steel rods with a straight short pitch tip and fixed on both sides of the humerus in a preferred embodiment of the present invention (1).

Figure 14 is a schematic diagram of various types of humeral fractures and lacerations of various types of humeral fractures with cross-drilled double slender steel rods with linear short-distance tips on both sides of the humerus in a preferred embodiment of the present invention (2).

Fig. 15 is a schematic diagram of various types of humeral fractures and lacerations of various types of humeral fractures with cross-drilled double slender steel rods with straight short-distance tips on both sides of the humerus in the preferred embodiment of the present invention (3).

Figure 16 is a schematic diagram of various types of humeral fractures and lacerations of various types of humerus fractures with cross-drilled double slender steel rods with linear short-distance tips on both sides of the humerus in a preferred embodiment of the present invention (4).

Figure 17: A schematic diagram of various types of humeral fractures and lacerations in which a double slender steel rod with a slightly curved long-distance tip is drawn through and crossed inside the humerus, using its elastic force to clamp and fix various types of humeral fractures and lacerations (1).

Figure 18: A schematic diagram of various types of humeral fractures and lacerations of the preferred embodiment of the present invention. The double slender steel rods with slightly curved long-distance tips are crossed inside the humerus, and the elastic force is used to clamp and fix various types of humeral fractures (2).

Figure 19: A schematic diagram of various types of humeral fractures and lacerations of the preferred embodiment of the present invention. The double slender steel rods with slightly curved long-distance tips are crossed inside the humerus, and the elastic force is used to clamp and fix various types of humeral fractures (3).

Figure 20: This is a preferred embodiment of the present invention, a double slender steel rod with a slightly curved long pitch tip is taken through Schematic diagram of various types of humeral fractures that cross inside the humerus and use its elastic force to clamp and fix the fractures (4).

Regarding the fixing structure, technical means and effect of the present invention, please give an example in conjunction with the drawings to further explain in detail later: please refer to Figures 1-12 to illustrate the preferred embodiment of the present invention, as shown in the figure It is shown that the interlocking "ㄡ" type intramedullary double slender steel rod fracture reduction and fixation structure of the humerus near the elbow joint is mainly provided with a hollow screw (1), and one end of the hollow screw (1) is an integral fixing set The device (10) has a groove (the appearance is hexagonal) (11), and the groove (11) is a concave spherical surface for matching with an inner hollow (12) and a round sphere (13) with a groove on one side (13) 14), and a tacking section (16) composed of bolts (15). The other end of the hollow screw (1) is a non-integrated fixing set device (20), and a special thread (21) is provided on the top to match the screw Set another round sphere (24) with a hollow inside (22) and one side cut (23), and a tacking section (26) composed of bolts (25), using round spheres (14) (24) at both ends The inner hollow (12) (22) allows the intramedullary double slender steel rods (30) (31) to pass through. The tip of the double slender steel rods (30) (31) can be designed as a straight line short distance (as shown in Figure 2) , The tips of the double slender steel rods (30) (31) can also be bent with a tool to become a slightly curved long distance (as shown in Figure 3), and then use bolts (15) (25) to screw into the two ends of the circle Cut grooves (13) (23) on one side of the shaped sphere (14) (24), close and lock the two ends of the intramedullary round spheres (14) (24), double slender steel rods (30) (31), The other top end of the hollow screw (1) is provided with a special thread (21) and the bolt (25) is fastened. The fixing direction of the double slender steel rods (30) (31) in the marrow at both ends is the same. The hollow screw (1) Different lengths and diameters can be made according to user needs The designer.

According to the joint and fixation of the fracture and laceration of the humerus (40), it is the fracture and laceration of the humerus (40). First, a guide pin is used under the X-ray monitoring system, from the distal medial epicondyle of the humerus (40). Through the center of the pulley at the distal end of the humerus (40), to the epicondyle of the distal end of the humerus (40), a small tunnel (41) is drilled along the guide pin with a hollow drill bit, and the hollow screw (1) Along the guide pin, transfer from the distal medial epicondyle of the distal humerus (40) to the distal end of the humerus (40), pass through the center of the trochlear of the distal humerus (40), and reach the distal lateral epicondyle of the humerus (40) , The reduction and fixation of humerus (40) near elbow joint fractures is based on double slender steel rods (point slightly curved) (30) (31), respectively, the distal end of the humerus (40) enter the humerus (40) at the medial and lateral epicondyle After the fracture, it advances in the intramedullary and touches the wall of the humerus (40) and then turns to reach the proximal end of the humerus (40). The double slender steel rods (30) (31) are respectively locked and fixed to the hollow screw (1) intramedullary In the round spheres (14) (24) at both ends, the fracture reduction and fixation structure of the humerus (40) near the elbow joint interlocking "ㄡ" type intramedullary double slender steel rods can be completed. Because the surgical wound is located in the humerus (40) ) The distal medial and lateral epicondyle (about 1 cm each) is a minimally invasive surgery. During the operation, the orthopedist can arbitrarily set the hollow screw (1) to match the intramedullary ends of the round spheres (14) (24) , Double slender steel rods (30) (31), double bolts (15) (25) locking fixed angle, the present invention can be used with the straight-line short-pitch double slender steel rods (30) (31) drilling Fix (please refer to Figures 13 to 16) or match the double slender steel rods (30) (31) with slightly curved long-distance tips (see Figures 17 to 20) to make the humerus (40 ) The joint mode has completed the fracture reduction and fixation treatment of the humerus (40) near the elbow joint interlocking "ㄡ" type intramedullary double slender steel rods (30) (31), so as to achieve a good healing effect.

In summary, it can be seen that the interlocking "ㄡ" type intramedullary double slender steel rod reduction and fixation structure for near elbow joint fractures of the humerus of the present invention uses a hollow screw, one end of which is an integral fixing set device. Groove (hexagonal in appearance), the groove is a concave spherical surface, which is used to match a hollow sphere with a groove on one side, and a tacking section composed of bolts. The other end of the hollow screw is non-integrated and fixed The set device has a special thread on the top to match the screw set with another hollow and round sphere cut on one side, as well as a tacking section composed of bolts. The inner hollow of the round sphere at both ends makes the intramedullary double slender. The steel rods are passed through, and then bolts are used to screw into the cut grooves on one side of the round spheres at both ends of the compression, and the two slender steel rods are locked and fixed in the marrow. When the bolt lock is tightened, if the fixing direction of the double slender steel rods in the medulla at both ends is the same, the double slender steel rods can effectively maintain the joint and fixation of the fracture of the humerus near the elbow joint and ensure the healing effect of the humerus. The problems and deficiencies that may be faced by the fixed structure of conventional knowledge endow excellent industrial usability and practical value. It is indeed an excellent and outstanding innovative invention. Yan filed an invention patent application in accordance with the law.

(1): Hollow screw

(10): One-piece fixed set device

(11): Groove

(12): Hollow inside

(13): Side cut

(14): Round sphere

(15): Bolt

(16): Bar tacking section

(20): Non-integral molding fixed set device

(21): Special thread

(22): Hollow inside

(23): Side cut

(24): Round sphere

(25): Bolt

(26): Bar tacking section

(30): Slender steel rod

(31): Slender steel rod

Claims (2)

An interlocking "ㄡ" type intramedullary double slender steel rod reduction and fixation structure for humerus near elbow joint fractures, comprising: a hollow screw, one end of the hollow screw is an integral fixing set device, the integral fixing set device A round sphere is filled inside; the round sphere includes an inner hollow and a groove on one side; the other end of the hollow screw passes through a special threaded screw set, a non-integral molding fixed set device, the inside of the non-integrated fixed set device Fill another round sphere, the other round sphere includes an inner hollow and a groove on one side; the inner hollow of the two round spheres allows the double slender steel rod to pass through, and the two bolts are respectively screwed into the integral fixing set The device and the non-integral molding fixing set device compress the side cut groove of the round sphere to fix the double slender steel rod accordingly. According to the interlocking "ㄡ" type intramedullary double slender steel rod fracture reduction and fixation structure of the humerus near the elbow joint described in item 1 of the scope of patent application, the hollow screw is matched with two round spheres, double slender steel rods, and two bolt locks The tightly fixed angle can be set arbitrarily.

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