38 results about "Coracoid" patented technology

A surgical fastener system for acromioclavicular (AC) joint dislocations, includes a first fastener having an elongate body, and an inner pair of openings centered on the long axis of the body. A closed loop stitch passes through the openings, and the length of the stitch corresponds to the depth of a passage defined between the top of a first hole bored through a patient's clavicle, and the bottom of a second hole bored through the coracoid in axial alignment with the first hole. A second fastener has an elongate body arranged to slide under a portion of the loop stitch that protrudes from the top of the hole in the clavicle, after the first fastener is set beneath the coracoid and the stitch is pulled upward through the passage. In an alternate embodiment, the second fastener also has an inner pair of openings for passing and engaging the loop stitch.

A surgical fastener system for acromioclavicular (AC) joint dislocations, includes a first fastener having an elongate body, and an inner pair of openings centered on the long axis of the body. A closed loop stitch passes through the openings, and the length of the stitch corresponds to the depth of a passage defined between the top of a first hole bored through a patient's clavicle, and the bottom of a second hole bored through the coracoid in axial alignment with the first hole. A second fastener has an elongate body arranged to slide under a portion of the loop stitch that protrudes from the top of the hole in the clavicle, after the first fastener is set beneath the coracoid and the stitch is pulled upward through the passage. In an alternate embodiment, the second fastener also has an inner pair of openings for passing and engaging the loop stitch.

A glenoid component for treatment of rotator cuff arthropathy includes attachment to the coracoid process by a pin or post imbedded into a hole formed in the coracoid process. The glenoid component preferably also has a keel for extending into the glenoid fossa and protrusions such as ridges cemented to the acromion process. This way, an attachment point is preferably provided in / on the coracoid process, the acromion process, and the glenoid fossa, and at least two of the attachment points include a protrusion extending into a hole / slot drilled or otherwise formed in the bone. A jig is used for guiding / drilling into the bone, wherein the jig has both a glenoid fossa drill guide and a coracoid drill guide. The coracoid drill guide includes structure that abuts against opposing sides of the base of the coracoid process to prevent rotation of the jig relative to the scapula.

Described is an arthroscopic bone transplanting procedure for transplanting a section of a first bone to a second bone. The described procedure is particularly useful for the treatment an anterior shoulder instability, where the first bone is the coracoid and the second bone is the glenoid. Also described is a kit of medical instruments particularly useful in such a procedure.

Described is an arthroscopic bone transplanting procedure for transplanting a section of a first bone to a second bone. The described procedure is particularly useful for the treatment an anterior shoulder instability, where the first bone is the coracoid and the second bone is the glenoid. Also described is a kit of medical instruments particularly useful in such a procedure.

The invention provides a device for reconstructing the coracoclavicular ligament. The device is composed of a bone fracture plate and high strength sutures, and the bone fracture plate is made of a titanium alloy material and provided with drill holes; the high strength sutures are made of a polyethylene terephthalate material; the sutures and the bone fracture plate are used in a matched mode; when the device is used, after the clavicle resets, the bone fracture plate is placed on the attachment segment of the clavicle coracoclavicular ligament, holes are drilled in two bones respectively, the high strength sutures sequentially penetrate through a hole channel in the bone fracture plate and holes drilled in the two bones to fix the clavicle onto a coracoids, then a flexible fixing rope is tightened till the clavicle and the coracoids recover to the normal distance, and finally knotting is conducted to conduct fixation. According to the device, in treatment of acromioclavicular dislocation, the problem of coracoclavicular ligament reconstruction is solved, and an internal fixator is removed without secondary surgery; the problem of ligament repair is solved, and pain of self-lifted ligament reconstruction is avoided; the device and an operation mode are minimally invasive, postoperative recovery is high in speed, pain of a patient is reduced, and the device is applicable to acromioclavicular dislocation caused by shoulder joint surgical treatment trauma and the like.

The invention relates to the technical field of medical instruments, in particular to a surgical guide in coracoclavicular ligament reconstruction and a manufacturing method thereof. The surgical guide comprises a base. The base is a thin-wall curved plate, and the thin-walled curved surface of the plate fits and covers the surface of the area from the distal clavicle to the middle. The ratio of the length of the base to the total length of the clavicle is 0.38-0.42. The base is further provided with a first channel and a second channel. The position of the first channel is the position at thebottom of the coracoids corresponding to the central axis direction of the clavicle, the ratio of the length from the second channel to the distal clavicle and the total length of the clavicle is 0.14, and the direction is inclining by 15-30 degrees from the central axis of the clavicle. The surgical guide has the advantages of being accurate in positioning, reducing damage, saving the operationtime, reducing pains of patients and the like. The surgical guide is manufactured by adopting CT scanning and 3D printing methods, which can ensure that specification and size of the surgical guide conform to a patient, avoid the defects of the traditional unsatisfactory bone tunnel establishment position, simplify the operation and reduce the time for newcomers to learn the coracoclavicular ligament reconstruction.

The invention discloses a clamp-type acromioclavicular joint embolia guiding system. The clamp-type acromioclavicular joint embolia guiding system comprises a coracoid side clamp, a clavicle side clamp and a handle, wherein a spherical base is arranged at the clamp tip of the coracoid side clamp; a conical tip protrusion is formed at the position, in contact with the coracoid side, on the surface of the spherical base; a rotatable hollow guiding device is arranged at the clamp tip of the clavicle side clamp. The clamp-type acromioclavicular joint embolia guiding system has the advantages that (1) the embolia of an acromioclavicular joint and central linear drilling between the coracoid and the clavicle are completed at a time; (2) drilling guidance is accurate, and the fracture of the coracoid and the clavicle is avoided; (3) by virtue of the accurate drilling guidance and the spherical design of the coracoid clamping end, the injury to important vascular nerves on the inner side of the coracoid during an operation is avoided; (4) the spacing between the clavicle and the coracoid is accurately measured in an outer measurement mode by virtue of a graduated scale at the far clamping end, so that the appropriate length of a loop needed by embolia fixing is selected; (5) the instrumentation is simple, convenient and safe, the operation wound is minimized, and a true minimally invasive effect is achieved.

The invention provides a memory alloy type acromioclavicular joint injury and clavicle fracture fixator. The memory alloy type acromioclavicular joint injury and clavicle fracture fixator is formed by a fixing main board 1, at least two fixing holes 2, a coracoid pulling bending hook 3 and snap rings 4; the fixing holes 2 are uniformly formed in the surface of the fixing main board 1; the end surface of one side of the fixing main board is provided with the coracoid pulling bending hook 3; the snap rings 4 can be arranged on the bilateral sides of the lower surface of the fixing main board 1 respectively; the coracoid pulling bending hook 3 and the snap rings 4 are formed by memory alloy. According to the memory alloy type acromioclavicular joint injury and clavicle fracture fixator, the structure is simple and the design is reasonable; the fixation is firm, the further injury to the acromioclavicular joint is reduced, the enough stability can be provided for the injured ligament or clavicle healing, and the disease rehabilitation of patients is facilitated due to the elastic fixation; the operation is convenient and accordingly the treatment time can be saved for the patients.

A device for processing a carcass part of slaughtered poultry in a processing line is provided. The carcass part is supported on a carrier that moves in the processing line. The carcass part includes wing-joints, coracoids, a wishbone embodied with two legs that merge into each other at an acute angle, a keelbone, a membrane and / or ligament that connects at least to the wishbone and the keel-bone, and naturally present meat including inner and outer fillets. The device includes means for cutting and / or removing of the wishbone from the carcass part. The device is arranged such that the means for cutting and / or removing of the wishbone can be a knife equipped to cut the wishbone and disconnect it from the membrane and / or ligament with an increased yield of meat that is retained on the carcass part. In one embodiment, the knife is arranged with cutting side-edges and is further shaped with an S-shaped contour to arrange that when same is introduced between the legs of the wishbone up to its eventual position wherein the arrow's point of the knife approaches the part where the legs of the wishbone merge into each other, the cutting side-edges of the knife cut the legs of the wishbone at a position immediately adjacent to the wing joints to which the wishbone connects.

The invention discloses a stereotaxic four-point pigeon brain localization device comprising a three-dimensional electrode moving device fixed on a baseplate, a left ear rod holder and a right ear rod holder. The left and right ear rod holders are identical in structure, and each of the left and right ear rod holders comprises a column, an ear rod and a side plate connected to the ear rod; a coracoid bar is connected between the side plates of the left and right ear rod holders. The invention further discloses an operation method of the stereotaxic four-point pigeon brain localization device. The stereotaxic four-point pigeon brain localization device utilizes the lever principle and adopts a four-point localization method, namely two ears are localized and fixed with the ear rods, the coracoid bar is moved to the position between the nose and the coracoid corner of a pigeon to be localized and fixed, and then a pigeon coracoid adapter is butted against the part between the nose and the upper coracoid tip to be localized. Due to the fact that force of the coracoid bar is outward and force of the adapter is inward, the upper jaw bone of the pigeon is firmly clamped between the coracoid bar and the adapter just like a lever, the pigeon brain is reliably localized and fixed, and repeated localization accuracy is high.

The invention discloses a sighting device for closed punching of a coracoid clavicle. The sighting device for closed punching of the coracoid clavicle comprises a guide positioning tube, a positioningring and a connecting device, wherein the positioning ring is fixed at the lower part of the connecting device, the guide positioning tube is inserted in a sleeve at one side of the connecting device, the connecting device is internally provided with a fixing mechanism for fixing the guide positioning tube which passes through the sleeve wall, and the bottom end of the guide positioning tube corresponds to the bottom of the positioning ring. An outer circle of the guide positioning tube is provided with a thread structure. The cavity of the guide positioning tube is hollowed, and the guide positioning tube is formed by two sections of upper and lower tube bodies. The lower tube body is in the threaded connection with the upper tube body. The lower tube body is used for guiding and fixinga kirschner pin, and the upper tube body is used for guiding and fixing a hollowed drill bit. The beneficial effects are that there are only two surgical incisions while the provided sighting device for closed punching of the coracoid clavicle is used in a surgical process, the surgical time is short, the complication is less, the rehabilitation time is shortened, a related medical negligence is completed avoided, and the functional rehabilitation of a surgery patient is good.

The invention discloses a porous artificial temporal-mandibular joint structure and a making method.The porous artificial temporal-mandibular joint structure comprises a coracoid, a condyle process, a condyle process neck and titanium plates provided with nail holes.The coracoid protrudes from the front edge of the upper end of the condyle process neck, the condyle process protrudes from the back edge of the upper end of the condyle process neck, and the titanium plates are arranged at the lower end of the condyle process neck.The artificial temporal-mandibular joint is a porous component and is composed of a plurality of mesh units, the mesh units are in hollowed truncated octahedron shapes, the thickness of frames of the mesh units ranges from 200 microns to 300 microns, the apertures of the mesh units range from 500 microns to 1,250 microns, and the porosity of a porous body is 75%-80%.The strength of the porous artificial temporal-mandibular joint structure is similar to that of primary skeleton of a patient, the tenacity of the porous artificial temporal-mandibular joint structure is similar to that of the primary skeleton of the patient, stress concentration generated after implantation can be avoided, and the porous structure can assist peripheral tissues in combination with the artificial temporal-mandibular joint.

The invention provides a positioning device. The positioning device comprises a main body, a blocking part, a hook line part, a side block and an inner sleeve, wherein the blocking part is positioned at the first end of the main body part; the hook line part is positioned at the first end of the main body part; the side block is arranged at the second end of the main body part, and a first included angle is formed between the side block and the main body part; the inner sleeve is arranged on the side block; when the blocking part is clamped to the outer side of coracoid, a guide needle can drill toward the hook line part in the inner sleeve in the first direction, and the first direction is not parallel to the plane of the main body part. With the adoption of the positioning device, the positioning accuracy and stability of tunnel constructing in acromioclavicular dislocation operation can be achieved.

The invention discloses a precise displacement guide plate for a Latarjet operation and a using method of the precise displacement guide plate. The manufacturing method of the precise displacement guide plate for the Latarjet operation comprises the following steps that 1, a shoulder blade model is established; 2, simulating a Latarjet technology; 3, establishing a guide plate model; and 4, printing a guide plate model. The using method of the precise displacement guide plate for the Latarjet operation comprises the following steps that 1, the guide plate is disinfected and sterilized; 2, thecoracoid is stripped and trimmed to match the guide plate; 3, a glenoid cavity guide plate is attached to the glenoid cavity, a guide plate matching surface is fitted with the front lower edge of theglenoid cavity, and a guide needle is input along a guide pipe; 4, a guide needle is arranged in the glenoid canal, the rear lower face of the coracoid bone block is attached to the front face of theglenoid canal, and a hollow screw is tapped in along the guide needle; and 5, after coracoid displacement fixation is finished, the wound is sutured and closed layer by layer. The invention belongs tothe technical field of medical apparatus and instruments, and particularly relates to a high-precision and standardized precise displacement guide plate for a Latarjet operation and manufacturing andusing methods of the high-precision and standardized precise displacement guide plate for the Latarjet operation.

A memory alloy internal fixing instrument for anatomy locking of the scapula coracoid area is made of memory alloy, is a whole fracture-setting steel plate, is divided into four parts including a scapula mesoscapula part, a scapula acromion part, a joint bridging part and a scapula coracoid part, and is suitable for facture of the scapula coracoid part, the scapula mesoscapula part and the acromion part. The shape of the memory alloy internal fixing instrument is designed according to the physiological anatomy shape of the scapula coracoid part, the scapula mesoscapula part and the acromion part, and the memory alloy internal fixing instrument can connect and stereoscopically fix the scapula coracoid part, the scapula mesoscapula part and the scapula acromion part together. The memory alloy internal fixing instrument for anatomy locking of the scapula coracoid area is good in elasticity and strength and can be processed in a bent, twisted and sheared mode freely according to the fixation need of a fracture operation. In addition, the memory alloy internal fixing instrument is convenient to shape and install, external fixation is not needed after the operation, early function exercise of the shoulder joint is facilitated, and postoperative ankylosis is prevented. By means of the memory alloy internal fixing instrument, the curative effect is improved, complications are reduced, a complex operation is simplified, operation risks are reduced, and the memory alloy internal fixing instrument is worth popularization.

The invention relates to a coracoid clavicle closed punching sighting device, which comprises a bottom plate, the bottom plate is in threaded connection with a first bolt, and the top of the bottom plate is connected with a clamping plate through a first adjusting mechanism and a first connecting mechanism. The bottom plate is limited through the first bolts; then, the clamping plate is adjusted through the matching effect of the first adjusting mechanism, the first connecting mechanism and a first limiting mechanism, and then the clamping plate is limited; therefore, the shoulders of the patient are clamped under the action of the clamping plate; after the position of a mounting plate is adjusted through the matching effect of a second limiting mechanism and a second adjusting mechanism,limiting is conducted; therefore, the stability of a sighting sleeve is ensured; the position of the sighting sleeve is adjusted through the action of a third adjusting mechanism, so that the to-be-treated parts of the clavicle and the coracoid base bottom are accurately punched, the position of an abutting ring is conveniently adjusted through the action of a fourth adjusting mechanism, and damage to the clavicle, the coracoid base bottom and other parts of a patient due to excessive downward movement of a punching machine is prevented.

The invention relates to the technical field of medical instruments, in particular to a coracoclavicular fixator which is used for fixing a coracoid and a clavicle when an acromioclavicular joint dislocation or a fracture of a clavicle outer end occurs. The coracoid clavicle fixator comprises a coracoid portion (1), a clavicle portion (2) and fixing bolts (3), wherein the coracoid portion is composed of a coracoid hook (11) and a hook rod (12), the hook rod (12) is provided with a plurality of hook rod screw holes (13), the clavicle portion is composed of a clavicle fixing hook (21) and a link casing pipe (22), the link casing pipe (22) is provided with a plurality of casing pipe screw holes (23), the hook rod (12) of the coracoid portion is inserted into the link casing pipe (22) of the clavicle portion, and then the fixing bolts (3) are inserted into the screw holes to fix the coracoid portion (1) and the clavicle portion (2) to be a whole. The coracoid clavicle fixator is simple in structure, convenient to operate, small in trauma, reliable in reduction fixation and capable of effectively fixing the coracoid and the clavicle, and can meet biomechanics requirements.

Method and device for processing a carcass part of slaughtered poultry in a processing line. A carcass part may be supported on a carrier that is movable in the processing line and includes wing joints, coracoids, a wishbone being embodied with two legs that merge into each other at an acute angle, a keel bone, and naturally present meat including inner and outer fillets, and means are applied for cutting and / or removing of the wishbone from the carcass part

Provided is a minimally invasive reparation device for acromioclavicular dislocation. Two needle catheters which guide a kirschner wire are connected by a connecting rod, a guide tube provided with a guide hole is arranged on the connecting rod, a coracoid positioning rod moving along the guide hole is provided, a positioning hook plate mounted on the lower portion of the shoulder blade coracoid is arranged at the lower end of the coracoid positioning rod, the two guide holes which coincide with the two needle catheter through holes in axis are formed in the positioning hook plate, and a latch for fixing the coracoid positioning rod to a certain position is arranged on the guide tube. The minimally invasive reparation device for the acromioclavicular dislocation is simple in structure and convenient to use, the wound is small, the security is high, the learning curve of an operation is effectively reduced, the accuracy and security of an operation are improved, and a traditional operation is evolved into a quantified and standardized accurate operation.

The invention discloses a humanoid shoulder joint system based on a rope. A motor and the rope are adopted to simulate muscles of a human body to drive a shoulder joint to move, and the function of completely simulating human body shoulder joint movement is achieved. A humanoid shoulder joint is mainly composed of a shoulder blade, a humerus, an ulna, a supraspinatus, a teres minor, an infraspinatus, a deltoid, a latissimus dorsi, a triceps brachii, a coracoid brachialis, a biceps brachii, a motor and a rope guider. The supraspinatus, the teres minor, the infraspinatus,the deltoid, the latissimus dorsi, the triceps brachii and the coracoid brachialis jointly drive the humerus to do bending, stretching, adduction, abduction and circumduction motion around the shoulder blade, and the tricepsbrachii and the biceps brachii drive the humerus to do bending, stretching, adduction, abduction and circumduction motion around the shoulder blade together with the supraspinatus, the teres minor, the infraspinatus, the deltoid, the latissimus dorsi, the triceps brachii and the coracoid brachialis while driving the ulna to do bending, stretching, adduction and abduction motion around the humerus. The motor and the rope are combined for drive, and the humanoid shoulder joint system has the advantages of being compact in structure, good in flexibility and large in movement space, and can be used for teaching and exhibition.

The invention relates to a coracoclavicular ligament fixing device for acromioclavicular dislocation and belongs to the field of medical instruments. The coracoclavicular ligament fixing device comprises a carrier, a push rod, pins, an elastic claw and a sleeve, wherein the carrier is connected with the elastic claw through the pins, the detachable push rod is arranged at the center of the carrier, screw holes are arranged at the lower portion of the carrier, and the sleeve is sleeved out of the carrier. The carrier can be pushed forwards when the push rod bears with external force. The elastic claw opens up when the carrier and the elastic claw are pushed out of the sleeve. The coracoclavicular ligament fixing device for the acromioclavicular dislocation is simple in operation, and the sleeve can easily penetrate through bone holes on the coracoid. When opening up, the elastic claw can be firmly hung in the bone holes and can not fall off to lose efficacy when shoulders of a patient move, so that pain caused by reoperation and suffered by the patient is avoided.

The invention provides a reconstruction positioning device for a coracoclavicular ligament. The device comprises an inner rod and an outer rod, and the outer rod can slide in the axial direction relative to the inner rod; the inner rod comprises a guiding portion, a resetting portion and a hook, and the guiding portion, the resetting portion and the hook are sequentially arranged in the length extending direction of the inner rod; an included angle is formed by the guiding portion and the resetting portion in the length extending direction, and the guiding portion is embedded into and installed in an axial open hole of the outer rod; the guiding portion and the resetting portion are formed integrally, and the resetting portion and the hook are integrally formed or connected in a fastened mode; a locking structure is arranged on the outer rod and can limit axial relative sliding between the outer rod and the inner rod. The reconstruction positioning device can be applied to resetting and fixing between a coracoid and a clavicle, and guide drilling of a bone tunnel; in addition, the reconstruction positioning device can help penetration of the ligament in the bone tunnel, and guarantees operation convenience and minimally invasive performance.

The invention discloses a closed reduction coracoid and clavicle perforation screw guide. The closed reduction coracoid and clavicle perforation screw guide comprises an operating handle, a clavicle positioning pipe and a coracoid positioning frame, wherein a cannula is assembled at one end of the operating handle, the clavicle positioning pipe is inserted into the cannula, the clavicle positioning pipe is fixed in the cannula through a fixing mechanism, the setting height of the clavicle positioning pipe in the cannula can be adjusted through the fixing mechanism, a directional pressurizing rod is arranged on the bottom of the operating handle, the coracoid positioning frame is connected with the directional pressurizing rod through a clamping mechanism on a side wall, the setting heightof the coracoid positioning frame on the directional pressurizing rod can be adjusted through the clamping mechanism, and the bottom end of the clavicle positioning pipe corresponds to the tip of thebottom edge of the coracoid positioning frame. The closed reduction coracoid and clavicle perforation screw guide has the advantages that the screw guide can apply pressure to a space between a coracoid and a clavicle to implement reduction of an acromioclavicular joint; and due to a sharp protruding structure design of the positioning end, the screw guide cannot move again after being positioned.

The invention discloses a clavicula hook inner lock catch guide apparatus which comprises a handle (1), a handle rod (2), a guide seat (3), a drill sleeve (4) and a Kirschner wire guide sleeve (5), wherein the handle (1), the handle rod (2) and the guide seat (3) are sequentially connected by pins; wherein the handle rod (2) forms an arch, and the guide seat (3) forms a hook shape; one contact end of the guide seat (3) and a clavicula is provided with a hole (31); the drill sleeve (4) is installed on the guide seat (3) by the hole (31); the lower end of the drill sleeve (4) is opposite to an opening of the hook end on the guide seat (3) contacting with a coracoid, and the inner part of the hook end on the guide seat (3) contacting with the coracoid is provided with a groove (32); and the Kirschner wire guide sleeve (5) is sleeved in the drill sleeve (4). The clavicula hook inner lock catch guide apparatus has reasonable structure design, convenient use, and can well assist to a coracoclavicular ligament reestablishing operation of a human body, and the operation belongs to a minimal-invasive operation with high success ratio.

The invention discloses an artificial clavicle coracoid joint capable of resetting and fixing an acromioclavicular joint. The artificial clavicle coracoid joint comprises an artificial clavicle acetabulum, a coracoid hook, an artificial clavicle pestle and a lifting threaded sleeve, wherein a hemispherical concave surface is arranged in the artificial clavicle acetabulum, and the lifting threaded sleeve and the artificial clavicle pestle are arranged in the hemispherical concave surface in an up-down overlapping manner. The lower portion of the artificial clavicle pestle is provided with a spherical convex face corresponding to the hemispherical concave face, the upper portion of the coracoid hook penetrates through the artificial clavicle pestle and extends into the lifting threaded sleeve, a threaded hole is formed in the lifting threaded sleeve, and the outer circle of the upper portion of the coracoid hook is provided with a first external thread corresponding to the threaded hole. By means of the mode, the artificial clavicle coracoid joint capable of resetting and fixing the acromioclavicular joint is specially designed with the artificial clavicle acetabulum and the artificial clavicle pestle, the acromioclavicular joint can be accurately reset by lifting the coracoid hook via rotation of the lifting threaded sleeve, the pestle-acetabulum-type artificial joint with the fixing and moving functions is formed, and thus flexible fixation of the acromioclavicular joint is formed.

The invention belongs to the technical field of medical equipment, and especially relates to a coracoclavicular ligament titanium cable reconstruction guider and a reconstruction method for a coracoclavicular ligament. The coracoclavicular ligament titanium cable reconstruction guider comprises a titanium cable guiding out component and a titanium cable guiding in component. The titanium cable guiding in component is internally provided with a guiding-in channel used for guiding a titanium cable in. The titanium cable guiding out component is provided with a guiding-out channel used for guiding the titanium cable out. One end of the titanium cable guiding out component is a wrapping portion which can wrap a coracoid. A communication positioning structure which can communicate the guiding-in channel with the guiding-out channel is arranged between the wrapping portion and the titanium cable guiding in component. The coracoclavicular ligament titanium cable reconstruction guider is advantaged in that the titanium cable guiding out component and the titanium cable guiding in component combine to form a reconstruction device for the titanium cable to guide in. The reconstruction device does not need to cut open a tissue to internally fix coracoid clavicles, to prevent damages on the coracoid, clavicles, and peripheral tissues of both, and save large amount of operation time. Thus, security of an operation is improved, and fixation stability is enhanced by using titanium cable two-beam fixation.

The invention relates to a navigation plate for individually assisting complete anatomical reconstruction of a coracoclavicular ligament and a manufacturing method thereof. According to the invention, based on a base, each bone tunnel catheter is designed in a preset direction according to the central positions of a trapezoid ligament and a conoid ligament at processus coracoideus scapularis and clavicle attachment footprint; the above process is implemented in three-dimensional reconstruction software through combination of anatomical markers and calculation, and it can be ensured that the positions of the trapezoid ligament and the conoid ligament completely conform to anatomical positions, the direction of a tunnel is consistent with the designed direction, and the accuracy and safety of an operation are ensured; the bone tunnel catheter of the trapezoid ligament and the bone tunnel catheter of the conoid ligament are built on the same base, so the built tunnel is more accurate; and in addition, the base is completely attached to the bone surfaces of the clavicle and the coracoid, the central positions of ligament attachment footprints is marked, and the catheters in the direction of the bone tunnel are connected with the base into a whole, so the bone tunnel can be accurately established.

The invention relates to a coracoclavicular ligament fixing device for acromioclavicular dislocation and belongs to the field of medical instruments. The coracoclavicular ligament fixing device comprises a carrier, a push rod, pins, an elastic claw and a sleeve, wherein the carrier is connected with the elastic claw through the pins, the detachable push rod is arranged at the center of the carrier, screw holes are arranged at the lower portion of the carrier, and the sleeve is sleeved out of the carrier. The carrier can be pushed forwards when the push rod bears with external force. The elastic claw opens up when the carrier and the elastic claw are pushed out of the sleeve. The coracoclavicular ligament fixing device for the acromioclavicular dislocation is simple in operation, and the sleeve can easily penetrate through bone holes on the coracoid. When opening up, the elastic claw can be firmly hung in the bone holes and can not fall off to lose efficacy when shoulders of a patient move, so that pain caused by reoperation and suffered by the patient is avoided.

The invention discloses a medical coracoid resection device, which solves the problems that in the prior art, coracoid resection operation is difficult, and surrounding tissue is prone to being damaged, the operation can conduct smooth, accurate and controllable resection on coracoid, and can effectively protect peripheral nerves, muscles and vascular tissue. According to the technical scheme, themedical coracoid resection device comprises a wire saw, protection plates and guide assemblies, the guide assemblies are fixed to the inner sides of the protection plates, the protection plates are symmetrically arranged on the two sides of the wire saw, the wire saw penetrates through the guide assemblies, and the wire saw located between the protection plates can form an obtuse angle through the guide assemblies.