Titanium plate implanting device

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to a titanium plate implanting device which comprises a handle assembly and a titanium plate implanting assembly, the handle assembly comprises a handle and a sleeve fixed to one end of the handle, a containing groove is formed in the handle, and the sleeve comprises an outer pipe and a metal rod arranged in the outer pipe; the telescopic mechanism is accommodated in the handle; the take-up mechanism is arranged at the tail end of the telescopic mechanism; the thread trimming mechanism is arranged at the end, away from the handle, of the sleeve and comprises a fixed clamp and a movable clamp which are used in cooperation, the fixed clamp is fixed to the outer pipe, and the movable clamp is connected with the telescopic mechanism through a metal rod; the first titanium plate is arranged at one end, far away from the handle, of the sleeve and is movably connected with a movable clamp of the thread trimming mechanism; the second titanium plate is arranged in the placing groove in the handle; during use, a suture passes through the first titanium plate, extends to the placing groove of the handle, passes through the second titanium plate and then is fixed on the take-up mechanism. The titanium plate implanting device is simple to operate and good in stability.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a titanium plate implantation device. Background Art

[0002] A tear of the distal tibiofibular ligament is a common sports injury that usually occurs during strenuous exercise or accidents. This injury may occur alone or in conjunction with other lower limb injuries. The primary function of the distal tibiofibular ligament is to stabilize the ankle joint and prevent excessive rotation and lateral movement. When the ligament is overstretched or torn, the patient will experience severe pain and the ankle joint may swell and have limited function. Prompt diagnosis and treatment are essential to restore the integrity of the ligament and the stability of the ankle joint; For rupture of the distal tibiofibular syndesmotic ligament, titanium plates with loops are currently generally used for fixation. However, during the implantation process, the operation time is prolonged due to the inconvenient operation and single function of the implantation instrument, which has an adverse effect on the patient's recovery process. The Chinese patent application with publication number CN119454201A discloses an adjustable bone-to-bone fixation device with a main nail and an implantation mechanism, including a main nail, a fixed coil, a first secondary nail and a second secondary nail. The main nail, the first secondary nail and the second secondary nail are connected by the fixed coil. The fixed coil has a first coil, a second coil, a first traction end and a second traction end. The main nail has a wire hole one, a wire hole two and a wire hole three. The first secondary nail is connected to the first coil, and the second secondary nail is connected to the second coil. The first traction end and the second traction end are cross-threaded into the wire hole one, and then enter the wire hole two from both sides and pass out from the wire hole three to complete the threading. The device has the problem of complicated threading operation when in use. Chinese patent publication number CN221180723U discloses a titanium plate implanter with loops. The device comprises a handle, an external fixation rod, and an internal push rod. The handle is designed for the operator to hold and is equipped with an adjustment knob and a first fixing slot for accommodating a circular titanium plate. The external fixation rod is hollow and fixedly connected to the front end of the handle. The front end of the external fixation rod has a second fixing slot for accommodating an elongated titanium plate. The internal push rod extends through the external fixation rod and is connected to the adjustment knob. The adjustment knob drives the internal push rod to slide, pushing the elongated titanium plate out of the second fixing slot. This device cannot automatically trim the thread. Chinese patent publication number CN114271886A discloses a titanium plate implant device with a loop, comprising a clamping assembly and a push rod assembly. The clamping assembly includes a titanium plate clamping portion, a flipping assist portion, and a sleeve. The titanium plate clamping portion is disposed at the tip of the sleeve and communicates with the sleeve. The titanium plate clamping portion is used to clamp the titanium plate. The flipping assist portion is disposed at the outlet of the titanium plate clamping portion to assist in flipping the titanium plate. The push rod assembly includes a push rod and a push rod drive assembly. The push rod is disposed through the sleeve and, driven by the push rod drive assembly, pushes the titanium plate toward the outlet. At the outlet, the push rod cooperates with the flipping assist portion to flip the titanium plate. This device has a complex structure and cannot achieve automatic thread trimming. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings and defects mentioned in the above background technology and provide a titanium plate implant device that is simple to operate and has good stability. In order to solve the above technical problems, the technical solution proposed by the present invention is as follows: A titanium plate implantation device includes: a handle assembly, comprising a handle and a sleeve fixed to one end of the handle, wherein a placement slot is provided on the handle, and the sleeve includes an outer tube and a metal rod disposed inside the outer tube; a telescopic mechanism housed in the handle; A wire-reeling mechanism is provided at the tail end of the telescopic mechanism; The wire cutting mechanism is arranged at the end of the sleeve away from the handle, and includes a fixed clamp and a movable clamp used in conjunction with each other. The fixed clamp is fixed on the outer tube, and the movable clamp is connected to the telescopic mechanism through a metal rod; A first titanium plate is provided at an end of the sleeve away from the handle and is movably connected to the movable jaws of the wire cutting mechanism; A second titanium plate is disposed in a slot on the handle; When in use, the suture passes through the first titanium plate and extends to the placement slot of the handle, and is fixed on the wire-receiving mechanism after passing through the second titanium plate.

[0004] In one embodiment, a mounting slot is provided in the handle, and the telescopic mechanism is accommodated in the mounting slot. The telescopic mechanism includes a control part and a spring connected to one end of the control part. The other end of the control part is connected to the movable clamp of the wire cutting mechanism through a metal rod. The control part has a slot provided in the vertical direction along the length of the handle, and a control button is movably connected in the slot.

[0005] In one embodiment, the wire taking-up mechanism is clamped at the tail end of the mounting slot, and the wire taking-up mechanism includes a fixed end and a wire taking-up disc connected to the fixed end, the fixed end is embedded in the mounting slot and is gap-fitted with the mounting slot, the wire taking-up disc rotates unidirectionally, and a suture fixing groove is provided on the wire taking-up disc, and one end of the suture is fixed in the suture fixing groove.

[0006] In one embodiment, the wire take-up disc is a toothed disc, the mounting groove and the fixed end cooperate to form a circular ring portion that cooperates with the toothed disc, and the suture is wound around the circular ring portion.

[0007] In one embodiment, the first titanium plate is a long strip titanium plate, and a notch is provided at the tail of the long strip titanium plate for overlapping with the movable clamp and the fixed clamp.

[0008] In one embodiment, the second titanium plate is a circular titanium plate, which is clamped in the placement slot. Two jaw fixing slots are provided on the circular titanium plate. When in use, after the titanium plate implantation device is withdrawn, the jaws of the movable clamp are fixed on the jaw fixing slots, and the winding mechanism is rotated to tighten the suture.

[0009] In one embodiment, two through holes for passing sutures are provided on both sides of the placement slot.

[0010] In one embodiment, a plurality of wire holes are provided on each of the first titanium plate and the second titanium plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects: When the above-mentioned titanium plate implantation device is in use, a through hole is opened in the tibia and fibula at the torn site of the distal tibiofibular joint ligament through a bone drill, and the titanium plate implantation device is passed through from the tibial end and out from the fibular end. After passing through, the suture tied to the handle is untied, and the control button is pressed down. The movable clamp of the wire cutting mechanism opens, releasing the first titanium plate, and at the same time, the second titanium plate on the handle is taken out. At this time, the device is pulled out, and the jaws of the movable clamp are pressed against the second titanium plate. The suture is tied to the wire taking-up mechanism, and then the wire taking-up mechanism is rotated to tighten the suture and fix the two titanium plates. After completion, the excess suture is cut through the jaws to complete the operation. From threading, titanium plate implantation and fixation to wire cutting and device withdrawal, it is completed in one go. The entire operation process is simple and the titanium plate fixation effect is stable.

[0012] The titanium plate implantation device mentioned above optimizes the tightening method of the sutures and the fixation of the titanium plate through the clever coordination of the cutting mechanism, the telescopic mechanism and the take-up mechanism, effectively overcoming the limitations of the existing technology such as inconvenient operation, complicated threading and single function, and significantly improving the efficiency of the surgical process. The titanium plate implantation device can clamp the titanium plate more stably and accurately, thereby improving the controllability and safety during the operation. At the same time, the optimized suture tightening method makes the fixation process smoother and more efficient, reducing the operation time and alleviating the patient's pain. In addition, while tightening the sutures, the fixation of the titanium plate position is strengthened, the fixation effect is enhanced, and the stability and reliability of the operation are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 Schematic diagram of the overall structure of a titanium plate implant device according to one embodiment; Figure 2 Schematic diagram of the cross-sectional structure of a titanium plate implant device according to one embodiment; Figure 3 This is a schematic diagram of the partial structure of a titanium plate implant device according to one embodiment; Figure 4 This is a schematic structural diagram of a second titanium plate of a titanium plate implant device according to one embodiment; Figure 5 This is a schematic diagram of a structure in which a suture passes through two titanium plates according to one embodiment; Figure numerals: 100: handle assembly; 10: handle; 12: placement slot; 14: through hole; 20: sleeve; 22: outer tube; 24: metal rod; 30: telescopic mechanism; 32: control part; 34: spring; 36: control button; 40: take-up mechanism; 42: fixed end; 44: take-up disc; 46: suture fixing slot; 48: circular ring part; 50: thread cutting mechanism; 52: fixed clamp; 54: movable clamp; 60: first titanium plate; 62: notch; 70: second titanium plate; 72: jaw fixing slot; 74: thread passing hole. DETAILED DESCRIPTION

[0015] To facilitate understanding of the present invention, the present invention will be described in more comprehensive and detailed form below in conjunction with the accompanying drawings and preferred embodiments. However, the protection scope of the present invention is not limited to the following specific embodiments.

[0016] Unless otherwise defined, all technical terms used hereinafter have the same meanings as those generally understood by those skilled in the art. The technical terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the scope of protection of the present invention.

[0017] Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present invention can be purchased from the market or prepared by existing methods.

[0018] See also Figure 1-5 The titanium plate implantation device of one embodiment mainly includes: a handle assembly 100, a telescopic mechanism 30, a wire-retracting mechanism 40, a wire-cutting mechanism 50, a first titanium plate 60 and a second titanium plate 70. Specifically, the handle assembly 100 includes a handle 10 and a sleeve 20 connected to one end of the handle 10. The telescopic mechanism 30 is arranged in the handle 10. The wire-retracting mechanism 40 is arranged at the tail end of the telescopic mechanism 30. The wire-cutting mechanism 50 is arranged at the end of the sleeve 20 away from the handle 10, and includes a fixed clamp 52 and a movable clamp 54 used in conjunction with each other. The fixed clamp 52 is fixed on the sleeve 20, and the movable clamp 54 is connected to the telescopic mechanism 30 through the sleeve 20. The first titanium plate 60 is arranged at the end of the sleeve 20 away from the handle 10 and is connected to the movable clamp 54 of the wire-cutting mechanism 50. A placement groove 12 is provided on the surface of one end of the handle 10 close to the metal rod 24, and the second titanium plate 70 is provided in the placement groove 12 on the handle 10. During use, the suture extends from the first titanium plate 60 to the placement groove 12 of the handle 10 , passes through the second titanium plate 70 , and is fixed on the wire-receiving mechanism 40 .

[0019] The above-mentioned titanium plate implantation device optimizes the tightening method of the sutures and the fixation of the titanium plate through the cooperation of the cutting mechanism 50 and the winding mechanism 40, and when in use, effectively overcomes the limitations of the inconvenience of operation and single function in the existing technology, and significantly improves the efficiency of the surgical process. The titanium plate implantation device can clamp the titanium plate more stably and accurately, thereby improving the controllability and safety during the operation. At the same time, the optimized suture tightening method makes the fixation process smoother and more efficient, reduces the operation time, and alleviates the patient's pain. In addition, while tightening the sutures, the fixation of the titanium plate position is strengthened, the fixation effect is enhanced, and the stability and reliability of the operation are improved.

[0020] Specifically, in one embodiment, the handle 10 is roughly cylindrical and has a mounting slot provided therein, and the telescopic mechanism 30 is disposed in the mounting slot. Specifically, the telescopic mechanism 30 includes a control portion 32 and a spring 34 connected to one end of the control portion 32. The control portion 32 is provided with a slot, in which a control button 36 is movably connected, and the pressing end of the control button 36 protrudes from the body of the handle 10. The sleeve 20 includes an outer tube 22 and a metal rod 24 provided in the outer tube 22, one end of the metal rod 24 is passed through and fixed in the control portion 32, and the other end of the metal rod 24 is connected to the movable clamp 54 of the thread cutting mechanism 50. A placement slot 12 is provided on the surface of one end of the handle 10 near the metal rod 24 for placing the second titanium plate 70. Two through holes 14 are provided on both sides of the placement slot 12 for passing sutures.

[0021] Specifically, in one embodiment, the tail end of the telescopic mechanism 30 is movably connected to the wire-receiving mechanism 40 via a spring 34. Specifically, the wire-receiving mechanism 40 is clamped at the tail end of the mounting slot and abuts against the spring 34. The wire-receiving mechanism 40 includes a fixed end 42 and a wire-receiving disc 44 connected to the fixed end 42. The fixed end 42 is embedded in the mounting slot and has a clearance fit with the mounting slot. The wire-receiving disc 44 rotates unidirectionally. A suture fixing groove 46 is provided on the wire-receiving disc 44, and one end of the suture is fixed in the suture fixing groove 46. More specifically, the wire-receiving disc 44 is a toothed disc, and a circular ring portion 48 that cooperates with the toothed disc is formed at the fitting position of the mounting slot and the fixed end 42. The suture passing through the through hole 14 is wound around the circular ring portion 48 and then fixed in the suture fixing groove 46.

[0022] Specifically, in one embodiment, one end of the fixed jaw 52 of the thread cutting mechanism 50 is connected to the outer tube 22, one end of the movable jaw 54 is connected to the metal rod 24, and the other end of the movable jaw 54 is movably connected to the first titanium plate 60. Specifically, in one embodiment, the first titanium plate 60 is an elongated titanium plate with two notches 62 that overlap the movable jaw 54 and the fixed jaw 52, respectively. The second titanium plate 70 is a circular titanium plate that is inserted into the placement slot 12 and has two jaw fixing slots 72 defined therein. During use, after the titanium plate implantation device is withdrawn, the jaws of the movable jaw 54 are abutted and fixed against the jaw fixing slots 72, and the thread take-up mechanism 40 is rotated to tighten the suture. Multiple thread holes 74 are provided on each of the first and second titanium plates 60, 70. In this embodiment, two thread holes 74 are provided on the first titanium plate 60, and four thread holes 74 are provided on the second titanium plate 70. In other embodiments, the number of thread holes 74 can be increased as needed.

[0023] When the above-mentioned titanium plate implant device is in use, a through hole is opened in the tibia and fibula at the tear of the inferior tibiofibular joint ligament through a bone drill, and the titanium plate implant device is inserted from the tibial end and out from the fibular end. The control button 36 is pressed, and the movable clamp of the cutting mechanism 50 opens to release the first titanium plate 60. At the same time, the second titanium plate 70 on the handle 10 is taken out. At this time, the titanium plate implant device is pulled out, and the jaws of the movable clamp 54 are pressed against the jaw fixing groove 72 of the circular titanium plate. The suture is tied to the suture fixing groove 46 of the take-up mechanism 40, and then the take-up mechanism 40 is rotated to tighten the suture and fix the two titanium plates. After completion, the excess suture is cut through the jaws to complete the operation.

[0024] The above are only preferred embodiments of the present invention. It should be pointed out that the present invention is not limited to the above embodiments. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should also be regarded as the scope of protection of the present invention.

Claims

1. A titanium plate implant device, characterized in that: include: The handle assembly includes a handle and a sleeve fixed to one end of the handle, wherein a placement slot is provided on the handle, and the sleeve includes an outer tube and a metal rod disposed inside the outer tube; a telescopic mechanism housed in the handle; A wire-reeling mechanism is provided at the tail end of the telescopic mechanism; The wire cutting mechanism is arranged at the end of the sleeve away from the handle, and includes a fixed clamp and a movable clamp used in conjunction with each other. The fixed clamp is fixed on the outer tube, and the movable clamp is connected to the telescopic mechanism through a metal rod; A first titanium plate is provided at an end of the sleeve away from the handle and is movably connected to the movable jaws of the wire cutting mechanism; A second titanium plate is disposed in a slot on the handle; When in use, the suture passes through the first titanium plate and extends to the placement slot of the handle, and is fixed on the wire-receiving mechanism after passing through the second titanium plate.

2. The titanium plate implant device according to claim 1, characterized in that: A mounting slot is provided in the handle, and the telescopic mechanism is accommodated in the mounting slot. The telescopic mechanism includes a control part and a spring connected to one end of the control part. The other end of the control part is connected to the movable clamp of the wire cutting mechanism through a metal rod. The control part has a slot in the vertical direction along the length of the handle, and a control button is movably connected in the slot.

3. The titanium plate implant device according to claim 2, characterized in that: The wire-taking mechanism is clamped at the tail end of the mounting slot. The wire-taking mechanism includes a fixed end and a wire-taking disc connected to the fixed end. The fixed end is embedded in the mounting slot and is gap-fitted with the mounting slot. The wire-taking disc rotates unidirectionally. A suture fixing groove is provided on the wire-taking disc. One end of the suture is fixed in the suture fixing groove.

4. The titanium plate implant device according to claim 3, characterized in that: The wire-receiving disc is a toothed disc, and the mounting groove and the fixed end cooperate to form a circular ring portion that cooperates with the toothed disc, and the suture is wound around the circular ring portion.

5. The titanium plate implant device according to claim 1, characterized in that: The first titanium plate is a long strip titanium plate, and a notch for overlapping with the movable clamp and the fixed clamp is provided at the tail of the long strip titanium plate.

6. The titanium plate implant device according to claim 5, characterized in that: The second titanium plate is a circular titanium plate, which is clamped in the placement slot. Two jaw fixing slots are provided on the circular titanium plate. When in use, after the titanium plate implantation device is withdrawn, the jaws of the movable clamp are fixed on the jaw fixing slots, and the winding mechanism is rotated to tighten the suture.

7. The titanium plate implant device according to claim 6, characterized in that: Two through holes for sutures to pass through are provided on both sides of the placement groove.

8. The titanium plate implant device according to claim 1, characterized in that: A plurality of wire holes are provided on the first titanium plate and the second titanium plate.

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