Tracheotomy retractor of integrated thyroid isthmus lifting structure

Abstract

The invention discloses a tracheotomy draw hook of an integrated thyroid isthmus lifting structure, which comprises a draw hook main body frame, a grab handle, a draw hook arm assembly and a lifting assembly, the grab handle is connected to the rear side of the draw hook main body frame, the lifting assembly is mounted on the draw hook main body frame and extends out of the front side of the draw hook main body frame, and the draw hook arm assembly is connected with the draw hook main body frame. The drag hook arm assemblies extend out of the two sides from the front side of the drag hook body frame and are located on the two sides of the lifting assembly, and the grab handle operates to adjust the opening degree of the drag hook.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a tracheotomy retractor with an integrated thyroid isthmus lifting structure. Background Technology

[0002] Tracheotomy is an indispensable and crucial clinical procedure, playing a vital role in emergency care and critical care. It is also frequently performed as a pre-operative step in many oral, maxillofacial, and pharyngeal surgeries to create safe conditions for the subsequent main procedures. The core of this surgery lies in the rapid and precise exposure and incision of the 2nd to 4th tracheal rings; its efficiency and safety directly impact patient prognosis. Currently, the routinely used tracheotomy retractors consist of two independent metal hooks, requiring the surgeon, first assistant, and second assistant to work together. Due to the lack of a second assistant to assist in retracting the hooks, the first assistant must simultaneously expose the surgical field and perform retraction, resulting in poor hook stability and insufficient traction force. This not only prolongs the surgical time... In addition, the risk of accidental injury to surrounding blood vessels and nerves may increase due to displacement of the traction position. Furthermore, obese patients have problems such as limited operating space, strong traction resistance, and the trachea being located significantly deeper than that of ordinary patients (average depth of 2-3 cm) due to thicker neck fat accumulation and relatively shorter neck. Traditional retractors cannot effectively expose the tracheal rings, resulting in a higher incidence of complications such as accidental tracheal ring cutting and postoperative bleeding due to insufficient exposure. Moreover, the thyroid isthmus is usually located in front of the 2nd to 4th tracheal rings. This anatomical position requires appropriate lifting or separation of the thyroid isthmus during tracheotomy to facilitate safe tracheal incision. Existing retractors cannot simultaneously pull the thyroid isthmus upward while pulling the soft tissue in front of the trachea to the sides, resulting in insufficient exposure of the 3rd to 4th tracheal rings. This is especially difficult for patients with tumors in the thyroid isthmus. Therefore, we propose a tracheotomy retractor with an integrated thyroid isthmus lifting structure. Summary of the Invention

[0003] In view of the above problems, the present invention provides an integrated thyroid isthmus lifting structure tracheostomy retractor, comprising: a retractor body frame, a handle, a retractor arm assembly, and a lifting assembly. The handle is connected to the rear side of the retractor body frame, the lifting assembly is mounted on the retractor body frame and extends forward from the retractor body frame, and the retractor arm assembly extends forward from both sides of the retractor body frame and is located on both sides of the lifting assembly. The handle is operated to adjust the opening and closing degree of the retractor arm assembly.

[0004] According to one aspect of the present invention, the tracheotomy hook of the integrated thyroid isthmus lifting structure further includes a hook fixing assembly mounted on the hook body frame and located at the tail of the handle. The hook fixing assembly includes an arc-shaped toothed plate and a locking member. The arc-shaped toothed plate is fixedly connected to a groove at one end of the hook body frame near the tail of the handle. The locking member has teeth and is movably connected to a groove at the other end of the hook body frame near the tail of the handle. The teeth on the locking member engage with the grooves on the arc-shaped toothed plate to fix the opening and closing position of the hook.

[0005] According to one aspect of the invention, the lifting assembly includes a cylindrical body, a screw, a threaded sleeve, a fixing member, and a lifting seat. The screw and the threaded sleeve are mounted in the cylindrical body. The inner wall of the threaded sleeve is threadedly connected to the outer edge of the screw. The outer wall of the threaded sleeve is slidably connected to the inner wall of the cylindrical body. The fixing member is connected to the front end of the threaded sleeve. The lifting seat is movably connected to the fixing member on the opposite side, thereby allowing the lifting seat to rotate relative to the fixing member to raise the lifting seat.

[0006] According to one aspect of the invention, the cylinder of the lifting assembly is connected to the front side of the support shaft in the middle of the hook body frame, and a dial wheel is provided on the rear side of the support shaft. The dial wheel drives the screw to rotate, thereby driving the threaded sleeve to move forward. Anti-slip textures are provided on both sides of the upper end of the lifting seat.

[0007] According to one aspect of the present invention, the hook arm assembly includes a connecting rod, a lower hook arm, and an upper hook arm. The connecting rod is symmetrically arranged on both sides of the front side of the hook body frame. The lower hook arm is fixedly connected to the connecting rod on the side opposite to the hook body frame. The upper hook arm is telescopically arranged above the lower hook arm so that the position of the upper hook arm relative to the lower hook arm is adjustable.

[0008] According to one aspect of the present invention, the upper end of the pull-down hook arm is provided with a mounting groove, and both sides of the mounting groove are provided with fixing holes. The bottom of the pull-down hook arm is fixedly connected with a telescopic member, which extends and retracts within the mounting groove. Both ends of the telescopic member are provided with adjustment holes, and multiple adjustment holes are arranged in a row. The fixing holes are aligned with the multiple adjustment holes, and the insertion rod passes through the fixing holes and the corresponding adjustment holes for fixation.

[0009] According to one aspect of the invention, the combination of the lower hook arm and the upper hook arm is designed in an arc shape to accommodate the cut skin tissue.

[0010] According to one aspect of the present invention, the support shaft in the middle of the hook body frame is damped, so that the opening and closing of the hook body frame is controllable.

[0011] According to one aspect of the invention, one end of the locking member is fixedly connected to a handle, and the outer end of the handle is provided with texture.

[0012] According to one aspect of the present invention, the handle of the hook body frame is fitted with a frosted soft rubber sleeve, the frosted soft rubber sleeve having micro-textures.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention features a hook fixing component installed at the end of the handle, where the thumb naturally rests, and a damped support shaft. This allows the hook arm to open smoothly, providing continuous and stable traction, and can be operated with one hand, thus eliminating reliance on a team. In addition, the upper hook arm is telescopic, allowing its position to be adjusted according to the patient's degree of obesity. Furthermore, the lower hook arm and the upper hook arm are combined in an arc shape, which can conform to the curves of the neck muscles and adipose tissue, achieving surface contact and reducing tissue damage.

[0014] 2. This invention installs a lifting component in the middle of the main frame of the hook. After the hook arm is positioned, the operator moves the dial to extend the lifting seat forward and rotates the lifting seat to lift the isthmus, thereby lifting the isthmus away from the tracheal surface. The lateral traction and longitudinal lifting functions are separated and do not interfere with each other, thus achieving convenient operation, further reducing dependence on the team, and improving surgical safety and efficiency.

[0015] Other advantages, objectives and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be learned from the practice of the invention. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure in an embodiment of the present invention; Figure 2 This is a schematic diagram showing the disassembly of the hook fixing component in an embodiment of the present invention; Figure 3 This is an enlarged view of Figure A in an embodiment of the present invention; Figure 4 This is a schematic diagram of the lifting component in an embodiment of the present invention; Figure 5 This is a schematic diagram of the disassembled hook arm assembly in an embodiment of the present invention.

[0017] Figure Labels 1. Hook main frame; 11. Frosted soft rubber sleeve; 2. Hook fixing assembly; 21. Arc-shaped rack plate; 22. Locking component; 23. Handle; 3. Hook arm assembly; 31. Connecting rod; 32. Lower hook arm; 321. Mounting groove; 322. Fixing hole; 33. Upper hook arm; 331. Telescopic component; 332. Adjustment hole; 34. Insert rod; 4. Lifting assembly; 41. Cylinder; 42. Screw; 43. Threaded sleeve; 44. Dial wheel; 45. Fixing component; 46. Lifting base; 461. Anti-slip texture. Detailed Implementation

[0018] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted that these descriptions of embodiments are intended only to aid in understanding the present invention and do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0019] Before describing in detail the positional relationships between the components of this invention, we first define directions. Generally speaking, we define the direction in which the tracheotomy hook faces the trachea as forward, and the direction in which the tracheotomy hook faces away from the trachea as backward. Thus, for example, from... Figure 1 As can be seen, the hook arm assembly 3 and the lifting assembly 4 are located on the front side of the hook main frame 1, while the hook fixing assembly 2 is located on the rear side of the hook main frame 1. It should be understood that these directional definitions are for illustrative purposes only and do not constitute a limitation on the present invention.

[0020] See Figure 1 and Figure 2 This invention relates to an integrated thyroid isthmus lifting structure tracheostomy retractor, which generally includes a retractor body frame 1, a retractor fixing component 2, a retractor arm component 3, a lifting component 4, and a handle. The handle is connected to the rear side of the retractor body frame 1. The lifting component 4 is mounted on the retractor body frame 1 and extends forward from the retractor body frame 1. The retractor arm component 3 extends forward from the retractor body frame 1 from both sides and is located on both sides of the lifting component 4. The handle is operated to adjust the opening and closing degree of the retractor arm component. The retractor fixing component 2 is mounted on the retractor body frame and is located at the tail of the handle. Of course, the invention is not limited thereto. Without departing from the principle of the invention, those skilled in the art can add or omit any of these components while still falling within the scope of the invention. For example, if the requirement for maintaining the opening and closing degree of the retractor is not so high, the retractor fixing component 2 can be omitted.

[0021] like Figure 1 and Figure 2As shown, the hook body frame 1 is a two-piece plate frame assembly connected together by a pivot located in the middle of the hook body frame 1. A handle is connected to the rear side of the hook body frame 1 to adjust the opening and closing degree of the hook arm assembly 3. Specifically, the handle includes a first handle portion and a second handle portion pivotally connected. The first and second handle portions are respectively connected to one of the plate frame assemblies in the two-piece plate frame assembly of the hook body frame 1. When the operator operates the first and second handle portions to open and close, the two plate frame assemblies of the hook body frame 1 rotate relative to each other, thereby adjusting the opening and closing degree of the hook (hook arm assembly 3). Grooves are provided at the tails of both the first and second handle portions. Preferably, a frosted soft rubber sleeve 11 is provided on the gripping ends of the first grip portion and the second grip portion of the handle. The frosted soft rubber sleeve 11 has micro-textures, which can ensure a stable grip even when there is blood or sweat. In addition, the handle and the frosted soft rubber sleeve 11 are designed to be upward arc-shaped for easy gripping.

[0022] The hook fixing component 2 is installed on the rear side of the hook main frame 1, combined with... Figure 2 and Figure 3 As shown, the hook fixing assembly 2 includes an arc-shaped toothed plate 21 and a locking member 22. The arc-shaped toothed plate 21 is fixedly connected to a groove in the tail of the hook body frame 1 near the handle. The locking member 22 is connected to the hook body in another groove in the hook body frame 1 near the tail of the handle. The locking member 22 has teeth, which engage with the grooves on the arc-shaped toothed plate 21 in the locked state. Figure 3 As shown, a handle 23 is fixedly connected to one end of the locking member 22. Preferably, a textured surface is provided on the outer end of the handle 23. During operation, the operator can press the handle 23 to disengage the teeth on the locking member 22 from the tooth grooves of the arc-shaped rack plate 21, thereby opening and closing the hook body frame 1 until it is opened or closed to the appropriate position. Releasing the handle 23 allows the teeth on the locking member 22 to re-engage in the tooth grooves of the arc-shaped rack plate 21, thereby fixing the opening degree of the hook body frame 1 and preventing tissue damage.

[0023] Preferably, the support shaft in the middle of the hook main frame 1 is damped, so that the opening and closing of the hook main frame 1 is controllable. In one embodiment, a damping structure based on friction plates is integrated at the support shaft of the hook main frame 1 to avoid the feeling of loss of control of traction force during the opening and closing of the hook main frame 1. The damping feeling of the opening and closing of the hook main frame 1 helps the operator to judge the size of the opening and closing by hand, effectively preventing sudden changes in force, thereby protecting the tissue.

[0024] like Figure 4As shown, the lifting assembly 4 includes a cylinder 41, a screw 42, a threaded sleeve 43, a fixing member 45, and a lifting seat 46. The screw 42 and the threaded sleeve 43 are installed inside the cylinder 41. The inner wall of the threaded sleeve 43 is threadedly connected to the outer edge of the screw 42, and the outer wall of the threaded sleeve 43 is slidably connected to the inner wall of the cylinder 41. The fixing member 45 is connected to the front end of the threaded sleeve 43, and the lifting seat 46 is movably connected to the fixing member 45 on the opposite side, thereby allowing the lifting seat to rotate relative to the fixing member to raise the lifting seat. Figure 4 In the illustrated embodiment, the lifting seat 46 may include a straight section and a curved section, wherein the curved section is used to support the isthmus to be lifted and has a curvature that matches the contour of the isthmus to be lifted, and the straight section is provided with a support that is configured to pivotally fit onto the fixing member 45. Preferably, the upper ends of the straight section of the lifting seat 46 are provided with anti-slip textures 461. (Referring to the reference...) Figure 2 and Figure 4 The cylinder 41 is connected to the front side of the support shaft in the middle of the hook main frame 1, and the rear side of the support shaft is connected to the dial wheel 44. The dial wheel 44 is connected to the screw 42 to drive the screw 42 to rotate. The rotation of the screw 42 in turn drives the threaded sleeve 43 to move forward. During operation, after the hook arm assembly 3 is positioned, the operator turns the dial wheel 44 to drive the screw 42 to rotate, so that the threaded sleeve 43 moves on the screw 42, thereby causing the lifting seat 46 to extend forward. When it reaches above the thyroid isthmus, the operator pinches the anti-slip texture 461 on the straight section of the lifting seat 46 and rotates it, so that the curved section of the lifting seat 46 is raised to lift the isthmus, thereby lifting the isthmus away from the tracheal surface. By lifting the isthmus, the tracheal rings 3-4 are directly and clearly exposed, which facilitates the surgical operation.

[0025] like Figure 1 and Figure 5As shown, the pull hook arm assembly 3 includes connecting rods 31, which are symmetrically arranged on both sides of the front end of the pull hook main frame 1. A lower pull hook arm 32 is fixedly connected to the distal end of each connecting rod 31. An upper pull hook arm 33 is telescopically provided above the lower pull hook arm 32. The pull hook arm assembly 3 is adjusted and adapted according to the thickness of the cut skin tissue. Specifically, a mounting groove 321 is provided at the upper end of the lower pull hook arm 32, and fixing holes 322 are provided on both sides of the mounting groove 321. A telescopic member 331 is fixedly connected to the bottom of the upper pull hook arm 33. The telescopic member 331 is telescopically inserted into the mounting groove 321. Adjustment holes 332 are provided through both ends of the telescopic member 331. Multiple adjustment holes 332 are arranged along the height direction of the telescopic member 331, allowing the fixing hole 322 to be aligned with one of the multiple adjustment holes 332, and the insertion rod 34 to be inserted through the fixing hole 322 and the corresponding adjustment hole 332. In this embodiment, the position of the upper pull hook arm 33 can be adjusted according to the patient's degree of obesity. Specifically, the insertion rod 34 is pulled out, and the extension / retraction of the telescopic member 331 within the mounting groove 321 is adjusted until a suitable position is reached so that the fixing hole 322 aligns with a specific adjustment hole 332, and then locked by the insertion rod 34. In this embodiment, the lower pull hook arm 32 and the upper pull hook arm 33 are combined in an arc shape to accommodate the cut skin tissue. This design conforms to the curves of the neck muscles and adipose tissue, achieving surface contact and reducing tissue damage.

[0026] Working principle: First, adjust the position of the upper hook arm 33 according to the patient's degree of obesity. That is, pull out the insertion rod 34 and adjust the extension and retraction of the telescopic component 331 in the mounting groove 321 until it is adjusted to a suitable position so that the fixing hole 322 is aligned with a certain adjustment hole 332. The insertion rod 34 passes through to lock the position. The operator can hold the handle at the end of the hook body frame 1 with one hand and press the handle 23 with the thumb to disengage the teeth on the locking component 22 from the locking groove of the arc-shaped toothed plate 21, thereby opening and closing the hook body frame 1 until it is opened and closed to a suitable position. Release the handle 23 to release the teeth on the locking component 22. The teeth mesh in the groove of the arc-shaped rack plate 21, thereby fixing the opening size of the hook body frame 1. After the hook arm is positioned, the operator turns the dial wheel 44 to drive the screw 42 to rotate, so that the threaded sleeve 43 moves on the screw 42, thereby causing the lifting seat 46 to extend forward. When it reaches above the thyroid isthmus, the operator pinches the anti-slip texture 461 on the top of the lifting seat 46 and rotates it, so that the lifting seat 46 lifts the isthmus, thereby lifting the isthmus away from the tracheal surface. At this point, the entire workflow is completed.

[0027] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0028] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.

[0029] For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and these variations still fall within the protection scope of the present invention.

Claims

1. A tracheotomy retractor with an integrated thyroid isthmus lifting structure, comprising: The device includes a hook body frame, a handle, a hook arm assembly, and a lifting assembly. The handle is connected to the rear side of the hook body frame. The lifting assembly is mounted on the hook body frame and extends forward from the hook body frame. The hook arm assembly extends forward from both sides of the hook body frame and is located on both sides of the lifting assembly. The handle is operated to adjust the opening and closing degree of the hook arm assembly.

2. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 1 further includes a hook fixing assembly installed on the hook main frame and located at the tail of the handle. The hook fixing assembly includes an arc-shaped toothed plate and a locking member. The arc-shaped toothed plate is fixedly connected to a groove at one end of the hook main frame near the tail of the handle. The locking member has teeth and is movably connected to a groove at the other end of the hook main frame near the tail of the handle. The teeth on the locking member engage with the grooves on the arc-shaped toothed plate to fix the opening and closing position of the hook.

3. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 1 or 2, wherein the lifting assembly includes a cylinder, a screw, a threaded sleeve, a fixing member, and a lifting seat, the screw and the threaded sleeve are installed in the cylinder, the inner wall of the threaded sleeve is threadedly connected to the outer edge of the screw, the outer wall of the threaded sleeve is slidably connected to the inner wall of the cylinder, the fixing member is connected to the front end of the threaded sleeve, and the lifting seat is movably connected to the fixing member on the opposite side, thereby allowing the lifting seat to rotate relative to the fixing member to be raised.

4. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 3, wherein the cylinder of the lifting assembly is connected to the front side of the support shaft in the middle of the hook main frame, a dial wheel is provided on the rear side of the support shaft, the dial wheel drives the screw to rotate and thereby drives the threaded sleeve to move forward, and anti-slip textures are provided on both sides of the upper end of the lifting seat.

5. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 1 or 2, wherein the hook arm assembly includes a connecting rod, a lower hook arm, and an upper hook arm, the connecting rod is symmetrically arranged on both sides of the front side of the hook main frame, the lower hook arm is fixedly connected to the connecting rod on the side opposite to the hook main frame, and the upper hook arm is telescopically arranged above the lower hook arm so that the position of the upper hook arm relative to the lower hook arm is adjustable.

6. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 5, wherein the upper end of the lower hook arm is provided with an installation groove, and fixing holes are provided on both sides of the installation groove; a telescopic member is fixedly connected to the bottom of the upper hook arm; the telescopic member extends and retracts within the installation groove; adjustment holes are provided through both ends of the telescopic member; multiple adjustment holes are arranged in a row; the fixing hole is aligned with the multiple adjustment holes; and the insertion rod passes through the fixing hole and the corresponding adjustment hole for fixation.

7. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 5, wherein the lower hook arm and the upper hook arm are combined in an arc shape to adapt to the cut skin tissue.

8. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 4, wherein the support shaft in the middle of the hook main frame is damped, so that the opening and closing of the hook main frame is controllable.

9. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 2, wherein one end of the locking member is fixedly connected to a handle, and the outer end of the handle is textured.

10. The tracheotomy hook of the integrated thyroid isthmus lifting structure as described in claim 1, wherein the handle of the hook main frame is fitted with a frosted soft rubber sleeve, and the frosted soft rubber sleeve has micro-textures.

Images