A soft tissue distraction device for temporomandibular joint distraction

Abstract

The application provides a temporomandibular joint distraction soft tissue traction device, which comprises an X-axis connecting mechanism and a Y-axis adjusting mechanism, the X-axis connecting mechanism further comprises an arch strip, an abutment structure and an arc-shaped abutment distraction mechanism for hooking the patient's jaw bone, the arch strip is vertically connected with the Y-axis adjusting mechanism, the abutment structure comprises two independent ladder blocks arranged above the arch strip, the upper surfaces of the two independent ladder blocks are sequentially provided with a U-shaped support for clamping sliding, a sliding rod, a clamping buckle and a limiting hole, wherein the U-shaped supports are respectively installed at the upper ends of the two independent ladder blocks, and the arch strip and the abutment structure are adopted to promote the middle-aged and old patients suffering from temporomandibular joint osteoarthritis to seek medical treatment, and an operable space is established during the open surgery of the temporomandibular joint (similar to the state of the bag opening being adapted), and the load bearing rod, the clamping buckle, the sliding rod and the specific sliding structure state can be used for the distraction of the temporomandibular joint region.

Description

Technical Field

[0001] This invention relates to the field of medical technology, specifically to a device for stretching soft tissues in the temporomandibular joint. Background Technology

[0002] The temporomandibular joint (TMJ) is the only bilaterally linked joint in the maxillofacial region, characterized by both stability and mobility. Under the influence of neuromuscular mechanisms, it participates in various major activities such as swallowing, speech, facial expressions, and chewing, and also has a significant impact on facial appearance. The TMS is mainly composed of the glenoid fossa, the condylar process of the mandible, the articular disc, and the surrounding joint capsule and ligaments.

[0003] Temporomandibular joint disorders (TMJs) have a high incidence rate, the most common being TMJ dysfunction and mandibular condylar fracture. Statistics show that 25%-50% of the population has or has had TMJ dysfunction, which can occur at any age, but the majority of patients are adolescents starting puberty and young adults aged 20-30. Many middle-aged and elderly patients also require treatment for TMJ osteoarthritis. The mandibular condyle is an anatomically weak point and a common site of injury when the mandible fractures, easily leading to various types of condylar fractures. While the incidence of TMJ ankylosis and TMJ tumors is not as high as the above two conditions, surgery is the primary treatment for both.

[0004] The aforementioned temporomandibular joint disorders often require surgical treatment. Surgery necessitates good exposure of the temporomandibular joint and retraction of the joint space. Due to the unique structure of the temporomandibular joint, its joint space is narrow, and the glenoid fossa is located at the base of the skull, surrounded by major blood vessels and nerves such as the facial nerve, auriculotemporal nerve, masseter nerve, superficial temporal artery, middle meningeal artery, internal maxillary artery, and pterygoid venous plexus. Because the surgery is performed on the maxillofacial region, a small preauricular incision is often used. These factors result in limited surgical space, making it difficult to expose the surgical area, obtain a clear surgical field, and sufficient operating space, thus increasing the difficulty of the surgery.

[0005] Currently, surgical instruments are used in surgery to assist in opening the temporomandibular joint. However, while opening the joint, an assistant is still needed to help pull the soft tissues, expose the surgical field, and protect the surrounding blood vessels and nerves. When performing procedures such as fracture reduction and fixation, an assistant is also needed to assist in reduction and fixation. During surgery, insufficient operating space and lack of coordination between surgeons often affect the progress and effect, and increase surgical trauma. In terms of soft tissue traction, the instruments are not flexible enough and are prone to causing soft tissue damage, which is difficult to deal with later. They cannot achieve better expansion of the planned tissues. Summary of the Invention

[0006] The purpose of this invention is to provide a temporomandibular joint soft tissue traction device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a temporomandibular joint soft tissue traction device, comprising an X-axis connecting mechanism and a Y-axis adjusting mechanism;

[0008] The X-axis connection mechanism also includes an arch, an abutment structure, and an arc-shaped abutment and opening mechanism for hooking the patient's jawbone meridians;

[0009] The arch is perpendicularly connected to the Y-axis adjustment mechanism. The abutment structure includes two independent steps located above the arch. The surfaces of the two independent steps are sequentially supported by a sliding U-shaped bracket, a sliding rod, a clamping buckle, and a limiting opening.

[0010] in:

[0011] The U-shaped brackets are installed on the upper ends of the two independent ladder blocks respectively;

[0012] Multiple independent clamping buckles are attached side by side to the outer sliding wall of the sliding rod;

[0013] The buckle area of ​​the clamping buckle is arc-shaped. The inner wall of the clamping buckle is attached to the surface of the sliding rod. The surface of the sliding rod is also engaged with several independent limiting holes. Each limiting hole has an independent tightening pin. The end of the tightening pin is inserted through the lower end of the independent sliding rod and is attached to the outer wall of the corresponding sliding rod to limit the position of each U-shaped bracket on the sliding rod.

[0014] An arc-shaped blocking and opening mechanism is provided at the end of the designated sliding rod.

[0015] The arc-shaped blocking and opening mechanism includes a bearing rod, a support switch section, and a U-shaped actuating bracket;

[0016] The support rod is disposed on the surface of the clamping buckle, and the front end of the support rod is integrally connected to the surface of the U-shaped actuating bracket;

[0017] The U-shaped brackets are supported on the surface of the sliding rod through the limiting openings, and the independent U-shaped actuating brackets are arranged in an arc shape and surround the sliding rod;

[0018] A lower rod is provided at the lower end of the sliding rod, wherein a driving roller is provided laterally on each side wall edge of the lower rod;

[0019] Both ends of the drive roller are provided with a fitting sleeve. The edge of the fitting sleeve is fastened to one end of the abutment structure via an abutment connection seat. An arc-shaped sleeve is also provided on the edge side wall of the lower rod.

[0020] The Y-axis adjustment mechanism also includes a longitudinal plate, a sliding toothed groove and a lever end. An independent angle adjuster is threadedly connected at the right-angle connection between the longitudinal plate and the arch bar. A connecting base is provided at the top center of the angle adjuster. The bottom end of the connecting base is threadedly installed with the top end of the longitudinal plate.

[0021] The middle of the support rod has a knob opening with a limiting function, and a detachable and replaceable hook structure is also installed. The hook structure includes a small curved grip located at the knob opening for the doctor to hold, and the middle of the grip has a hook rod with a cross-shaped buckle set in both directions. The front end of the hook rod can be three types of hook heads.

[0022] As a preferred embodiment of the present invention: the bottom of the arc-shaped sleeve corresponds to the position of the hole in the Y-axis adjustment mechanism;

[0023] The front end of the independent ladder block is provided with a U-shaped lever;

[0024] One end of the U-shaped bracket is connected to an inclined support rod, which is supported by an arc-shaped actuating end corresponding to the temporomandibular joint region.

[0025] As a preferred embodiment of the present invention: the longitudinal plate is installed on the side of the arch, and the sliding tooth grooves are evenly opened at the surface edge of the longitudinal plate. The groove area of ​​the sliding tooth groove is engaged with the surface of the designated sliding tooth groove. A placement pad is also fastened to the top surface of the sliding tooth groove. A circular slot is opened in the middle of the top end of the placement pad. A snap-fit ​​shaft is embedded in the middle of the slot of the circular slot. The axial downward of the snap-fit ​​shaft is threadedly engaged with the surface of the designated sliding tooth groove.

[0026] As a preferred embodiment of the present invention: the bottom of the placement pad is provided with a toggle clamp;

[0027] The toggle clamp is hinged to the outer axial wall of the snap-fit ​​shaft;

[0028] The front end of the placement pad is provided with an adjustment plate, the surface of the adjustment plate is equipped with a Z-shaped bracket, the front end of the Z-shaped bracket is equipped with a liquid extraction conduit for liquid extraction, and a spreading lever is provided on the bottom side of the adjustment plate.

[0029] As a preferred embodiment of the present invention: the rotating end of the spreading lever is hinged to the bottom edge of the corresponding adjusting plate;

[0030] An amplification mechanism is also clamped at the middle of the end of the longitudinal plate;

[0031] The amplification mechanism also includes a clamping sleeve, a clamping groove, a drive rod, a tightening screw, and an adjustment bracket;

[0032] The upper end of the clamping sleeve is provided with a drive rod, the rotation direction of the drive rod is adjustable, the front end of the adjusting bracket is provided with a connecting gasket, the lower end of the drive rod is inserted into the sleeve of the clamping sleeve, and is threadedly inserted into the end of the sleeve rod inside the clamping sleeve.

[0033] As a preferred embodiment of the present invention: the front end of the adjustment bracket is provided with a connecting unit, the front end of the connecting unit is provided with a square pad, the front end of the square pad is provided with a rhombus plate, the center of the rhombus plate is provided with a circular hole, and an observation lens is fitted onto the surface of the circular hole, the magnifying end of the observation lens corresponds to the surgical wound below.

[0034] As a preferred embodiment of the present invention: the front end of the square pad is also hinged with a searchlight mechanism, the searchlight mechanism includes an arc-shaped bracket located at the middle of the top of the connecting unit, the bottom of the arc-shaped bracket is provided with a U-shaped actuating piece, and the bottom of the U-shaped actuating piece is provided with a searchlight.

[0035] As a preferred embodiment of the present invention: the illumination coverage of the searchlight is opposite to the position of the U-shaped toggle piece, and one end of the adjustment bracket is provided with a telescopic cylinder, the telescopic end of the front part of the telescopic cylinder is fitted with a square pad.

[0036] The hooks have different shapes: a first hook for hooking the cut of the cutting blade, a second hook with a clamping function, and a third hook for extending the clamping strength of the hook.

[0037] The first hook, the second hook, and the third hook are fixed together by a metal tubular structure at their ends. The inner diameter of the end structure of the first hook, the second hook, and the third hook is larger than the area where the Kirschner wire needs to be fastened.

[0038] The surface of the arc-shaped sleeve can be replaced with an L-shaped hook, and there are two L-shaped hooks. One of the L-shaped hooks is set on the surface of the spreading paddle. The hooking end of the L-shaped hook is set at a vertical angle. The L-shaped hook and the spreading paddle are hooked in the soft tissue area of ​​the patient's temporomandibular joint.

[0039] Compared with the prior art, the beneficial effects of the present invention are:

[0040] 1) The arched and abutting structure used makes it necessary for middle-aged and elderly patients with temporomandibular joint osteoarthritis to seek medical treatment. It creates an operable space during open temporomandibular joint surgery (similar to the state of opening a bag). The bearing rod, clamping buckle, sliding rod and specific sliding structure can open the temporomandibular joint area that needs to be opened, loosen the screws on the specific limiting opening, and further expand the hook structure used for part of the opening.

[0041] 2) The U-shaped lever bracket on the lower rod and the rod stage is used to flip the lever, which causes an additional support switch section to adjust its support direction, thereby restricting the position of a part of the hinge unit. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present invention;

[0043] Figure 2 This is a schematic diagram of the Y-axis adjustment mechanism structure of Embodiment 1 of the present invention;

[0044] Figure 3 This is a schematic diagram of the enlarged mechanism structure of Embodiment 1 of the present invention;

[0045] Figure 4 This is a schematic diagram of the longitudinal plate structure of Embodiment 1 of the present invention;

[0046] Figure 5 This is a schematic diagram of the arc-shaped blocking and supporting mechanism structure of Embodiment 1 of the present invention;

[0047] Figure 6 This is a schematic diagram of the clamping sleeve structure according to Embodiment 1 of the present invention;

[0048] Figure 7 This is a schematic diagram of the X-axis connection mechanism structure of Embodiment 1 of the present invention;

[0049] Figure 8 This is a schematic diagram of the toggle clamp structure according to Embodiment 1 of the present invention;

[0050] Figure 9 This is a schematic diagram of the hook structure in Embodiment 2 of the present invention;

[0051] Figure 10 This is a schematic diagram of the disassembly structure of Embodiment 2 of the present invention;

[0052] Figure 11 This is a schematic diagram of the L-shaped hook assembly structure of Embodiment 3 of the present invention;

[0053] Figure 12 This is a schematic diagram of the L-shaped hook fixing structure in Embodiment 3 of the present invention.

[0054] In the diagram: 1. X-axis connection mechanism; 11. Arch; 12. Abutment structure; 121. Independent step block; 122. U-shaped bracket; 123. Sliding rod; 124. Clamping buckle; 125. Limiting opening; 126. Lower rod body; 1261. U-shaped actuating frame; 1262. Inclined support rod; 127. Drive roller; 128. Embedded sleeve; 129. Arc-shaped sleeve; 2. Y-axis adjustment mechanism; 21. Longitudinal plate; 211. Angle adjuster; 212. Connecting base; 22. Sliding tooth groove; 23. Placement pad; 24. Circular slot; 25. Snap-fit ​​shaft; 26. Actuating clamp; 27. Adjusting plate; 28. Z-shaped bracket; 29. ​​Liquid extraction conduit; 291. Spreading lever; 4. Arc-shaped abutment support. 1. Opening mechanism; 2. Actuating end; 3. Arc-shaped blocking and opening mechanism; 41. Bearing rod; 42. Opening joint; 43. U-shaped actuating bracket; 5. Magnifying mechanism; 51. Clamping sleeve; 52. Clamping groove; 53. Drive rod; 54. Tightening screw; 55. Adjusting bracket; 551. Telescopic cylinder; 56. Connecting gasket; 57. Connecting unit; 58. Square gasket; 59. Rhomboid plate; 591. Circular hole; 592. Observation lens; 6. Searchlight mechanism; 61. Arc-shaped bracket; 62. U-shaped actuating piece; 63. Searchlight; 7. Hook structure; 71. Small curved grip; 72. Hook rod; 73. Hook head; 731. First hook; 732. Second hook; 733. Third hook; 74. L-shaped hook. Detailed Implementation

[0055] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0056] Please see Figures 1-8 The present invention provides a technical solution: a temporomandibular joint soft tissue traction device, comprising an X-axis connecting mechanism 1 and a Y-axis adjusting mechanism 2;

[0057] The X-axis connection mechanism 1 also includes an arch 11, an abutment structure 12, and an arc-shaped abutment and opening mechanism 4 for hooking the patient's jawbone meridian;

[0058] The arch 11 is perpendicularly connected to the Y-axis adjustment mechanism 2. The abutment structure 12 includes two independent steps 121 located above the arch 11. The surfaces of the two independent steps 121 are sequentially supported by a sliding U-shaped bracket 122, a sliding rod 123, a clamping buckle 124, and a limiting opening 125.

[0059] in:

[0060] U-shaped brackets 122 are respectively installed on the upper ends of the two independent ladder blocks 121;

[0061] Multiple independent clamping buckles 124 are attached side by side to the outer wall of the sliding rod 123;

[0062] The latching area of ​​the clamping buckle 124 is arc-shaped. The inner wall of the clamping buckle 124 is attached to the surface of the sliding rod 123. The surface of the sliding rod 123 is also fitted with several independent limiting holes 125. Each limiting hole 125 has an independent tightening pin. The end of the tightening pin passes through and is inserted into the lower end of the independent sliding rod 123, and is attached to the outer wall of the corresponding sliding rod 123 to limit the position of each U-shaped bracket 122 on the sliding rod 123.

[0063] In this embodiment: an arc-shaped blocking and opening mechanism 4 is provided at the end of the designated sliding rod 123;

[0064] The arc-shaped blocking and opening mechanism 4 includes a bearing rod 41, a support opening section 42, and a U-shaped actuating bracket 43;

[0065] The support rod 41 is provided on the surface of the clamping buckle 124, and the front end of the support rod 41 is integrally connected to the surface of the U-shaped toggle bracket 43.

[0066] The support rod 41 and the designated support switch 42 are used to maintain the opening of the specific patient wound, and the tightening state of the clamping buckle 124 causes the specific opening to tighten.

[0067] In this embodiment, the U-shaped bracket 122 is supported on the surface of the sliding rod 123 through the limiting opening 125, and the independent U-shaped actuating brackets 43 are arranged in an arc shape and surround the sliding rod 123.

[0068] A lower rod 126 is provided at the lower end of the rod body of the sliding rod 123, wherein a driving roller 127 is provided laterally on each side wall edge of the lower rod 126;

[0069] Both ends of the drive roller 127 are provided with a fitting sleeve 128. The edge of the fitting sleeve 128 is fastened to one end of the abutment structure 12 via an abutment connecting seat. An arc-shaped sleeve 129 is also provided on the edge side wall of the lower rod 126.

[0070] The limiting opening 125 and the specifically extended lower rod 126 effectively facilitate the fastening and limiting of the middle rod structure.

[0071] In this embodiment: the bottom of the arc-shaped sleeve 129 corresponds to the position of the hole in the Y-axis adjustment mechanism 2;

[0072] A U-shaped lever 1261 is provided at the front end of the independent step block 121;

[0073] One end of the U-shaped bracket 122 is connected to an inclined support rod 1262, which is supported by an arc-shaped actuating end corresponding to the temporomandibular joint region.

[0074] The extended state of the U-shaped lever 1261 and the inclined support rods 1262 on both ends enables a secure setting for the front jaw tube connection area.

[0075] In this embodiment: the Y-axis adjustment mechanism 2 further includes a longitudinal plate 21, a sliding tooth groove 22, and a lever end 3;

[0076] The longitudinal plate 21 is installed on the side of the arch 11, and the sliding tooth groove 22 is evenly opened on the surface edge of the longitudinal plate 21. The groove area of ​​the sliding tooth groove 22 is engaged with the surface of the designated sliding tooth groove 22. A placement pad 23 is also fastened to the top surface of the sliding tooth groove 22. A circular slot 24 is opened in the middle of the top end of the placement pad 23. A snap-fit ​​shaft 25 is embedded in the middle of the slot of the circular slot 24. The axial downward of the snap-fit ​​shaft 25 is threadedly engaged with the surface of the designated sliding tooth groove 22.

[0077] The use of circular slots 24 and axial adjustment of designated snap-fit ​​shafts 25 are used to promote a close fit with the designated slots of sliding toothed grooves 22.

[0078] In this embodiment: the bottom of the placement pad 23 is provided with a toggle clamp 26;

[0079] The toggle clamp 26 is hinged to the axial outer wall of the snap-fit ​​shaft 25;

[0080] The front end of the placement pad 23 is provided with an adjustment plate 27, and a Z-shaped bracket 28 is installed on the surface of the adjustment plate 27. A liquid extraction conduit 29 for liquid extraction is installed at the front end of the Z-shaped bracket 28, and a spreading lever 291 is provided at the bottom side of the adjustment plate 27.

[0081] The restriction on the Z-shaped support 28 is further extended by the mutual contact between the liquid extraction conduit 29 and the designated spreading tab 291.

[0082] In this embodiment: the rotating end of the lever 291 is hinged to the bottom edge of the corresponding adjusting plate 27;

[0083] An amplification mechanism 5 is also clamped at the middle of the end of the longitudinal plate 21;

[0084] The amplification mechanism 5 also includes a clamping sleeve 51, a clamping groove 52, a drive rod 53, a tightening screw 54, and an adjustment bracket 55;

[0085] The upper end of the clamping sleeve 51 is provided with a drive rod 53. The rotation direction of the rod body of the drive rod 53 is adjustable. The front end of the adjusting bracket 55 is provided with a connecting washer 56. The lower end of the rod body of the drive rod 53 is inserted into the sleeve of the clamping sleeve 51 and is threadedly inserted into the end of the sleeve rod inside the clamping sleeve 51.

[0086] The extension and retraction of the clamping sleeve 51 and the designated adjusting bracket 55 further expands the sleeve on the designated clamping sleeve 51, which can be added at will later.

[0087] In this embodiment: the front end of the adjusting bracket 55 is provided with a connecting unit 57, the front end of the connecting unit 57 is provided with a square pad 58, the front end of the square pad 58 is provided with a rhombus plate 59, the middle of the rhombus plate 59 is provided with a circular hole 591, and an observation lens 592 is fitted onto the surface of the hole of the circular hole 591. The magnifying end of the observation lens 592 corresponds to the surgical wound below.

[0088] The diamond-shaped plate 59 and the circular hole 591 are used for the adaptive mounting of the observation lens, which is magnified by the lens of the observation lens to enable observation of the wound.

[0089] In this embodiment: the front end of the square pad 58 is also hinged to a searchlight mechanism 6. The searchlight mechanism 6 includes an arc-shaped bracket 61 located at the middle of the top of the connecting unit 57. The bottom of the arc-shaped bracket 61 is provided with a U-shaped actuating piece 62, and the bottom of the U-shaped actuating piece 62 is provided with a searchlight 63.

[0090] Based on the specified searchlight 63 and the corresponding U-shaped lever 62, the specific U-shaped lever 62 can be effectively directed to the observation position of the searchlight 63.

[0091] In this embodiment: the illumination coverage of the searchlight 63 is opposite to the position of the U-shaped toggle piece 62, and one end of the adjusting bracket 55 is provided with a telescopic cylinder 551. The telescopic end of the front part of the telescopic cylinder 551 is fitted with the square pad 58.

[0092] An independent angle adjuster 211 is threadedly connected at the right-angle connection between the longitudinal plate 21 and the arch 11. A connecting base 212 is provided at the top center of the angle adjuster 211, and the bottom end of the connecting base 212 is threadedly installed with the top end of the longitudinal plate 21.

[0093] The connecting base 212 and longitudinal plate 21 are used to support the specific telescopic cylinder 551 and extend the designated adjustment end. Example 2

[0094] To expand the clinical application of this retractor and to explore variations in mandibular bone tautness, please refer to the instruction manual appendix. Figure 9 Figure 10As shown:

[0095] The middle part of the support rod 41 is provided with a knob opening that has a limiting function, and a detachable and replaceable hook structure 7 is also installed. The hook structure 7 includes a small curved grip rod 71 located at the knob opening for the doctor to hold, and the middle part of the grip rod 71 is provided with a hook rod 72 through a cross-shaped buckle. The front end of the hook rod 72 can be one of three hook heads 73.

[0096] The hook heads 73 have different shapes, namely: a first hook 731 for hooking the ear groove incision of the cutting blade, a second hook 732 with clamping function, and a third hook 733 for expanding the clamping strength of the hook;

[0097] The first hook 731, the second hook 732 and the third hook 733 are fixed together by a metal tubular structure at the end. The inner diameter of the end structure of the first hook 731, the second hook 732 and the third hook 733 is larger than the area where the Kirschner wire needs to be fastened.

[0098] Insert a Kirschner wire at one position at the top and one at the bottom, and then use this end to fit and fix it;

[0099] The first one has two directions: positive and negative.

[0100] The second one is deeper and narrower, and it's in the opposite direction.

[0101] In practical use, the first step is to adjust the knob on the angle adjuster 211, and loosen the longitudinal plate 21 based on this.

[0102] After loosening, adjust the rotation of both the longitudinal plate 21 and the abutment structure 12 to the appropriate position and stop.

[0103] At this stage, the position is placed according to the patient's temporomandibular joint position during the operation. After placement, the position of the open wound of the temporomandibular joint that needs to be opened during the operation needs to be adjusted. The sliding position is achieved by the upper sliding rod 123 in the abutment structure 12, and the flipping is achieved by the forward and backward sliding state of the sliding rod 123.

[0104] During use, the user can slide back and forth around the designated sliding rod 123 according to the position area on the clamping buckle 124. When sliding in the back and forth position, the sliding finger adjusts one end of the designated clamping buckle 124 to restrict the position around the designated lower rod 126. During the restriction stage, the user can restrict the bearing rod 41 to be pulled and locked after it is extended to the position of the patient's soft tissue traction and dragging by the downward movement of the hole position of the middle limiting hole 125.

[0105] The extended front support joint 42 contacts the patient's soft tissue area. At this time, under the traction of the arc-shaped support joint 42, the extension length and angle of the rod are adjusted backward. Various support joints 42 support the opening position like grippers. After the opening is expanded to the corresponding opening position, the user adjusts the hole position of the limiting opening 125 to further restrict the linkage rolling on the corresponding lower rod 126 position. During the rolling of the lower rod 126, the end of another additional inclined support rod 1262 can be adjusted. The advantage of doing this is that the slotted structure of the submandibular surgical opening area can have enough load-bearing ends to expand.

[0106] At the same time, this allows for even faster traction around the wound. At this stage, the specific arc-shaped sleeve 129 is moved to rotate the edge of the designated lower rod 126 against the patient's wound site to further fix it and then achieve traction.

[0107] The square pad slides along the designated longitudinal plate 21. During this process, the position of the arc sleeve 129 is used to adjust the corresponding clamping sleeve 51 to adapt the position of its clamping groove 52 to the corresponding sliding structure. As the drive rod 53 extends and retracts, the position of the lower end cap structure is further adjusted to be close to the longitudinal plate 21 for adaptation.

[0108] The user can further adjust the forward extension state of the two independent telescopic cylinders 551. After extension, the end position of the drive rod 53 is adjusted to achieve hinged extension. The designated adjustment bracket 55 is flipped to achieve hinged adjustment. During the adjustment process, the plate position of the diamond plate 59 in the middle is expanded. During the expansion, the position of the observation lens 592 is adjusted. Based on the lens and the corresponding patient injury, magnification is achieved, and the condition of the specific wound can be clearly seen.

[0109] Furthermore, by combining the positions of the arc-shaped bracket 61 and the corresponding U-shaped toggle piece 62, the ambient light is further enhanced after the searchlight 63 is turned on.

[0110] Furthermore, the limiting is achieved based on the adjustment state of the adjustment plate 27 and the position of the spread lever 291;

[0111] If there is bruising in the area where the patient's wound is opened, the fluid extraction catheter 29 can be connected to an external extraction pump to remove the accumulated fluid, thereby improving the efficiency of subsequent suturing. Example 3

[0112] Please see Figures 11-12 As shown:

[0113] The surface of the arc-shaped sleeve 129 can be replaced with an L-shaped hook 74, and there are two L-shaped hooks 74. One of the L-shaped hooks 74 is set on the surface of the spreading paddle 291. The hooking end of the L-shaped hook 74 is set at a vertical angle. The L-shaped hook 74 and the spreading paddle 291 are hooked in the soft tissue area of ​​the patient's temporomandibular joint.

[0114] This type of retractor is used to pull and stretch the patient's tissues to prevent skin contraction.

[0115] The contents not described in detail in this description are existing technologies known to those skilled in the art. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A temporomandibular joint soft tissue traction device, comprising an X-axis connecting mechanism (1) and a Y-axis adjusting mechanism (2); Its features are: The X-axis connection mechanism (1) also includes an arch (11), an abutment structure (12), and an arc-shaped abutment and opening mechanism (4) for hooking the patient's jawbone meridian. The arch (11) is perpendicularly connected to the Y-axis adjustment mechanism (2), and the abutment structure (12) includes two independent steps (121) located above the arch (11). The surfaces of the two independent steps (121) are supported in sequence by a sliding U-shaped bracket (122), a sliding rod (123), a clamping buckle (124), and a limiting opening (125). in: The U-shaped bracket (122) is installed on the upper end of the two independent ladder blocks (121); Multiple independent clamping buckles (124) are attached side by side to the outer wall of the sliding rod (123). The buckling area of ​​the clamping buckle (124) is arc-shaped. The inner wall of the clamping buckle (124) is attached to the surface of the sliding rod (123). The surface of the sliding rod (123) is also engaged with several independent limiting holes (125). Each limiting hole (125) has an independent tightening pin. The end of the tightening pin is inserted through the lower end of the independent sliding rod (123) and is attached to the outer wall of the corresponding sliding rod (123) to limit the position of each U-shaped bracket (122) on the sliding rod (123). An arc-shaped blocking and opening mechanism (4) is provided at the end of the designated sliding rod (123). The arc-shaped blocking and opening mechanism (4) includes a bearing rod (41), a support opening section (42), and a U-shaped actuating bracket (43). The support rod (41) is disposed on the surface of the clamping buckle (124), and the front end of the support rod (41) is integrally connected to the surface of the U-shaped actuating bracket (43); The U-shaped bracket (122) is supported on the surface of the sliding rod (123) through the limiting opening (125), and the independent U-shaped actuating brackets (43) are arranged in an arc shape and surround the sliding rod (123); A lower rod (126) is provided at the lower end of the sliding rod (123), wherein a driving roller (127) is provided laterally on the edge sidewall of the lower rod (126). Both ends of the drive roller (127) are provided with insert sleeves (128). The edge of the insert sleeve (128) is fastened to one end of the abutment structure (12) via an abutment connection seat. An arc-shaped sleeve (129) is also provided on the edge side wall of the lower rod body (126). The Y-axis adjustment mechanism (2) further includes a longitudinal plate (21), a sliding tooth groove (22) and a lever end (3). An independent angle adjuster (211) is also threadedly connected at the right-angle connection between the longitudinal plate (21) and the arch bar (11). A connecting base (212) is provided at the middle of the top of the angle adjuster (211). The bottom end of the connecting base (212) is threadedly installed with the top end of the longitudinal plate (21). The middle part of the support rod (41) is provided with a knob opening that has a limiting function, and a detachable and replaceable hook structure (7) is also installed. The hook structure (7) includes a small curved grip (71) provided at the knob opening for the doctor to hold, and the middle part of the grip (71) is provided with a hook rod (72) through a cross-shaped buckle. The front end of the hook rod (72) can be one of three hook heads (73).

2. The temporomandibular joint soft tissue traction device according to claim 1, characterized in that: The bottom of the arc-shaped sleeve (129) corresponds to the position of the area hole in the Y-axis adjustment mechanism (2); The front end of the independent step block (121) is provided with a U-shaped lever (1261). One end of the U-shaped bracket (122) is connected to an inclined support rod (1262), which is supported by an arc-shaped actuating end corresponding to the temporomandibular joint region.

3. The temporomandibular joint soft tissue traction device according to claim 2, characterized in that: The longitudinal plate (21) is installed on the side of the arch (11), and the sliding tooth groove (22) is evenly opened at the surface edge of the longitudinal plate (21). The groove area of ​​the sliding tooth groove (22) is engaged with the surface of the designated sliding tooth groove (22). A placement pad (23) is also fastened to the top surface of the sliding tooth groove (22). A circular slot (24) is opened in the middle of the top end of the pad of the placement pad (23). A snap-fit ​​shaft (25) is embedded in the middle of the groove of the circular slot (24). The axial direction of the snap-fit ​​shaft (25) is threadedly engaged with the surface of the designated sliding tooth groove (22).

4. The temporomandibular joint soft tissue traction device according to claim 3, characterized in that: The bottom of the placement pad (23) is provided with a toggle clamp (26); The actuating clamp (26) is hinged to the axial outer wall of the snap-fit ​​shaft (25); The front end of the placement pad (23) is provided with an adjustment plate (27), and a Z-shaped bracket (28) is installed on the surface of the adjustment plate (27). A liquid extraction conduit (29) for liquid extraction is installed at the front end of the Z-shaped bracket (28), and a spreading lever (291) is provided on the bottom side of the adjustment plate (27).

5. A temporomandibular joint soft tissue traction device according to claim 4, characterized in that: The rotating end of the spreading lever (291) is hinged to the bottom edge of the corresponding adjusting plate (27); An amplification mechanism (5) is also clamped at the middle of the end of the longitudinal plate (21). The amplification mechanism (5) also includes a clamping sleeve (51), a clamping groove (52), a drive rod (53), a tightening screw (54), and an adjustment bracket (55); The upper end of the clamping sleeve (51) is provided with a drive rod (53), the rotation direction of the rod body of the drive rod (53) is adjustable, the front end of the adjusting bracket (55) is provided with a connecting gasket (56), the lower end of the rod body of the drive rod (53) is inserted into the sleeve of the clamping sleeve (51), and is threadedly inserted into the sleeve rod end inside the clamping sleeve (51).

6. The temporomandibular joint soft tissue traction device according to claim 5, characterized in that: The front end of the adjustment bracket (55) is provided with a connecting unit (57), and the front end of the connecting unit (57) is provided with a square pad (58). The front end of the square pad (58) is provided with a rhombus plate (59), and a circular hole (591) is opened in the middle of the rhombus plate (59). An observation lens (592) is attached to the surface of the hole (591), and the magnifying end of the observation lens (592) corresponds to the surgical wound below.

7. A temporomandibular joint soft tissue traction device according to claim 6, characterized in that: The front end of the square pad (58) is also hinged with a searchlight mechanism (6). The searchlight mechanism (6) includes an arc-shaped bracket (61) located at the middle of the top of the connecting unit (57). The bottom of the arc-shaped bracket (61) is provided with a U-shaped toggle piece (62), and the bottom of the U-shaped toggle piece (62) is provided with a searchlight (63).

8. The temporomandibular joint soft tissue traction device according to claim 7, characterized in that: The illumination coverage of the searchlight (63) is opposite to the position of the U-shaped lever (62). One end of the adjustment bracket (55) is provided with a telescopic cylinder (551), and the telescopic end of the front part of the telescopic cylinder (551) is fitted with a square pad (58). The hook heads (73) have different shapes, namely: a first hook (731) for hooking the ear groove incision of the cutting blade, a second hook (732) with clamping function, and a third hook (733) for expanding the clamping strength of the hook. The first hook (731), the second hook (732) and the third hook (733) are fixed together by a metal tubular structure at the end. The inner diameter of the end structure of the first hook (731), the second hook (732) and the third hook (733) is larger than the area where the Kirschner wire needs to be fastened. The surface of the arc-shaped sleeve (129) can be replaced with an L-shaped hook (74), and there are two L-shaped hooks (74). One of the L-shaped hooks (74) is set on the surface of the spreading paddle (291). The hooking end of the L-shaped hook (74) is set at a vertical angle. The L-shaped hook (74) and the spreading paddle (291) are hooked in the soft tissue area of ​​the patient's temporomandibular joint.

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