Innovative aspirator head special for pleural exfoliation

Abstract

The innovative aspirator head comprises a tubular handle and a working head part arranged at the front end of the tubular handle, an aspiration channel is formed in the tubular handle, the working head part is an integrally formed flat wedge-shaped aspiration head, and the aspiration channel is communicated with the aspiration channel. At least one suction hole communicated with the suction channel is formed in the stripping working surface; in the whole stripping process, wound surface errhysis is continuously sucked away through the suction holes, it is ensured that the operation view is clear, and the flat wedge-shaped head cannot pierce lung tissue due to the large contact area and the small pressure intensity; meanwhile, the flat wedge-shaped head is easy to insert into a gap, the pure flat blunt end ensures that the front end cannot be punctured, the clinical pain point that a traditional round-head aspirator is easy to poke into or tear fragile lung tissue is effectively solved, stable poking and separation of a fiberboard are achieved by increasing the stress area, and the safety and controllability of an operation are remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pleurodesis, in particular to an innovative suction head special for pleurodesis. BACKGROUND

[0002] In the field of thoracic surgery, pleurodesis is a key operation for treating diseases such as empyema and pleural fibrosis. The core step of the operation is to safely peel the thickened and fibrotic visceral or parietal pleura (i.e. pleural fibrous plate) from the surface of the tender lung tissue or the inner surface of the chest wall. At present, the commonly used instrument in the operation is a traditional suction head, which is usually made of a metal tube body, with a round or ellipsoidal head and a suction hole at the front end. During the operation, the surgeon needs to alternately use the suction head to suck away blood and fluid to keep the surgical field clear, and use the suction head for blunt separation and prying to peel the fibrous plate. However, the design of this general-purpose suction head is not optimized for the delicate operation of pleurodesis, and it has significant limitations in the peeling process.

[0003] The round-head suction head of the prior art has the following specific defects when peeling the thickened pleural fibrous plate: First, the point-like contact between the round head and the lung tissue concentrates the pressure, and when the peeling force is applied, it is easy to slip and pierce or stab into the tender lung parenchyma, causing iatrogenic lung injury, leading to postoperative air leakage and prolonging the recovery time. Second, due to the smooth spherical surface of the head, the contact area with the fibrous plate is small, making it difficult to effectively grip and pry the edge of the fibrous plate, and the peeling efficiency is low. Third, when a larger force is needed to pry the dense fibrous plate, the small force area of the round head cannot evenly distribute the force, which may cause the fibrous plate to break or cause extrusion injury to the deep tissue. Therefore, the present application provides an innovative suction head special for pleurodesis. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides an innovative suction head special for pleurodesis to solve the above problems.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: an innovative suction head special for pleurodesis, comprising a tubular handle and a working head at the front end thereof, the tubular handle having an internal suction channel, the working head being a flat wedge-shaped suction head integrally formed, the front end being a pure flat blunt end for inserting into the tissue gap, and the upper and lower surfaces being flat peeling working surfaces for prying the pleural fibrous plate; the cross section of the flat wedge-shaped suction head is flat elliptical or rectangular, with a width much greater than the thickness; at least one suction hole is provided on the peeling working surface and communicates with the suction channel.

[0006] Preferably, the flat wedge-shaped head has a rectangular cross-section, the length of the flat wedge-shaped head is 20-30 mm, and the thickness of the flat wedge-shaped head is 4-6 mm.

[0007] Preferably, the flat wedge-shaped head is tapered from the connection with the tubular handle to the flat blunt end, and the tapering angle is 10-20°.

[0008] Preferably, the suction holes are arranged in the width direction of the upper peeling surface, and the corners of the flat blunt end are rounded to form a smooth blunt edge.

[0009] Preferably, the thickness of the flat blunt end is 0.3-0.7 mm, and the thickness of the main body of the peeling surface is 2-4 mm.

[0010] Preferably, the tubular handle and the flat wedge-shaped head are integrally formed by medical-grade stainless steel and are subjected to a heat treatment process to enhance the rigidity.

[0011] Preferably, the surface of the peeling surface is subjected to a matte treatment to increase the friction between the peeling surface and the pleural fibrous plate and prevent slipping during operation.

[0012] Preferably, the tubular handle is provided with a holding section away from the flat wedge-shaped suction head, the outer wall of the holding section is provided with anti-slip patterns, and the outer end of the holding section is connected to a negative pressure suction device.

[0013] Preferably, the internal cavity of the flat wedge-shaped suction head is uniformly provided with a plurality of longitudinal reinforcing ribs.

[0014] Advantages

[0015] Compared with the prior art, the present application has the following advantages:

[0016] During the pleural stripping operation, the tubular handle is connected to a negative pressure suction device, then the flat wedge-shaped head is inserted into the operation area through an incision, and the negative pressure suction function is used to keep the operation field clear. The flat blunt end of the flat wedge-shaped head is placed in the potential gap between the pleural fibrous plate and the lung tissue. The lung tissue is used as a fulcrum to push the flat wedge-shaped head forward or pry it upward. The wide peeling surface of the flat wedge-shaped head exerts uniform peeling force on the fibrous plate, causing it to separate from the underlying tissue. During the entire peeling process, the suction holes continuously suck away the bleeding from the wound surface, ensuring a clear operation field. The flat wedge-shaped head has a large contact area and a small pressure, so it will not pierce the lung tissue. At the same time, the flat wedge-shaped head is easy to insert into the gap, and the flat blunt end ensures that the front end will not cause puncture, effectively solving the clinical pain point that the traditional round-head suction device is easy to pierce or tear the fragile lung tissue. By increasing the force area, the flat wedge-shaped head can smoothly pry and separate the fibrous plate, significantly improving the safety and controllability of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0018] Figure 2 is a side sectional view of the present application;

[0019] Figure 3 is a partial enlarged view of the flat wedge-shaped suction head of the present application;

[0020] Figure 4 is a diagram of the internal structure of the flat wedge-shaped suction head in the present application.

[0021] In the figure: 1, tubular handle; 2, flat wedge-shaped suction head; 21, flat blunt end; 22, stripping working surface; 3, suction hole; 4, longitudinal reinforcing rib; 5, gripping section. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4 An innovative suction head dedicated to pleurodesis, comprising a tubular handle 1 and a working head part provided at the front end of the tubular handle 1, the tubular handle 1 has a suction passage inside, and the working head part is a flat wedge-shaped suction head 2 integrally formed, the front end of which is a flat blunt end 21 for inserting into the interstitial space, and the upper and lower surfaces thereof are flat stripping working surfaces 22 for prying the pleural fiber plate; the cross section of the flat wedge-shaped suction head 2 is flat oval or rectangular, and the width is much greater than the thickness; at least one suction hole 3 is provided on the stripping working surface 22, which is in communication with the suction passage.

[0024] During pleural stripping surgery, the tubular handle 1 is connected to a negative pressure suction device, and then the flat wedge-shaped head 2 is inserted into the surgical area through the incision. The negative pressure suction function maintains a clear surgical field. The blunt end 21 of the flat wedge-shaped head 2 is placed into the potential gap between the pleural fibrous plate and the lung tissue. Using the lung tissue as a fulcrum, the flat wedge-shaped head 2 is advanced forward or pried upward, and its wide dissection working surface 22 applies a uniform dissection force to the fibrous plate, separating it from the underlying tissue. Throughout the dissection process, bleeding from the wound is continuously suctioned through the suction hole 3 to ensure a clear operating field. Due to its large contact area and low pressure, the flat wedge-shaped head 2 will not puncture the lung tissue. At the same time, the flat wedge-shaped head 2 is easy to insert into the gap, and the blunt end 21 ensures that the tip will not cause puncture wounds. This effectively solves the clinical pain point of traditional round-headed suction devices easily penetrating or tearing fragile lung tissue. By increasing the force-bearing area, the smooth prying and separation of the fibrous plate is achieved, significantly improving the safety and controllability of the surgery, and has broad market application prospects.

[0025] Specifically, the flat wedge-shaped head 2 has a rectangular cross-section, a length of 20mm to 30mm, and a thickness of 4mm to 6mm. This ensures sufficient strength and stability during surgical procedures while also accommodating the delicate operating space required for pleural stripping. The 20mm to 30mm length allows the surgeon to reach the surgical site more flexibly, avoiding both inconvenience and difficulty in precise control due to excessive length, and ineffective access to the pleural fibrous plate due to insufficient thickness. The 4mm to 6mm thickness provides appropriate support when in contact with the pleural fibrous plate, preventing unnecessary compression of surrounding tissues due to excessive thickness, and avoiding insufficient strength due to excessive thinness.

[0026] Specifically, the flat wedge-shaped head 2 gradually thins from its connection with the tubular handle 1 towards its blunt end 21, with a wedge angle of 10° to 20°. This gradual thickness and specific wedge angle greatly facilitate the insertion of the flat wedge-shaped head 2 into the narrow gap between the pleural fibrous plate and the lung tissue. The 10° to 20° wedge angle allows the blunt end 21 to reach the target position relatively easily and accurately, reducing damage to surrounding tissues. Simultaneously, during gradual insertion, the beveled wedge design allows the flat wedge-shaped head 2 to better utilize its shape to provide a natural guiding and separating effect on the pleural fibrous plate. As the wedge-shaped head advances, the applied force is distributed relatively evenly across the surface of the fibrous plate and the lung tissue.

[0027] Specifically, there are multiple suction holes 3, arranged along the width of the upper dissection working surface 22; the corners of the blunt end 21 are rounded to form smooth, blunt edges. The arrangement of multiple suction holes 3 along the width of the dissection working surface 22 allows for more effective removal of accumulated blood and fluid during the procedure, maintaining a clear surgical field. This avoids situations where fluid accumulation affects surgical operations. The rounded corners of the blunt end 21 further reduce the risk of damage to lung tissue and pleural fibrous plates during surgery. When inserting the blunt end 21 into the interstitial space, the smooth corners are less likely to scratch or cut surrounding tissues like sharp corners, ensuring surgical safety.

[0028] Specifically, the thickness of the blunt end 21 is 0.3 mm to 0.7 mm; the thickness of the main body of the peeling working surface 22 is 2 mm to 4 mm; the ultra-thin end of the blunt end 21 can be easily and accurately inserted into the very narrow gap between the pleural fiber plate and the lung tissue, ensuring the stable operation of the pleural fiber plate peeling.

[0029] Specifically, the tubular handle 1 and the flat wedge-shaped head 2 are integrally molded from medical-grade stainless steel, and their rigidity is enhanced through a heat treatment process. Medical-grade stainless steel has good biocompatibility and will not have adverse effects on human tissue, meeting the safety requirements for medical surgical instruments. The integral molding manufacturing process ensures the overall structural integrity of the suction head, avoiding gaps and weak points that may be caused by splicing or welding processes, reducing the risk of bacterial growth and instrument damage. The enhanced rigidity through heat treatment makes the suction head less prone to deformation when subjected to various forces during surgical operations, maintaining a stable shape and performance, and ensuring the smooth progress of the surgery.

[0030] Specifically, the surface of the dissection working surface 22 is matte-finished to increase friction with the pleural fibrous plate and prevent slippage during operation. When the surgeon uses the suction head to pry and separate the pleural fibrous plate, the increased friction allows the dissection working surface 22 to better adhere to the pleural fibrous plate, enabling the surgeon to more precisely control the applied force and direction. Even in the presence of blood or other fluids, relative slippage between the suction head and the pleural fibrous plate is effectively prevented, thereby improving the stability and efficiency of the surgical procedure.

[0031] Specifically, the tubular handle 1, located away from the flat wedge-shaped suction head 2, has a grip section 5 with anti-slip texture on its outer wall. The outer end of the grip section 5 is connected to the negative pressure suction device. The anti-slip texture increases the friction between the surgeon's hand and the grip section 5 when holding the suction device, ensuring a stable grip even if the hand becomes slippery due to sweat or blood contact, reducing the risk of the instrument slipping and ensuring the safety of the surgical procedure. The connection of the grip section 5 to the negative pressure suction device facilitates the rapid establishment of an effective negative pressure suction effect, allowing the surgeon to promptly and efficiently remove blood and fluid accumulation in the chest during the procedure, maintaining a clear surgical field at all times, and creating favorable conditions for the successful performance of pleurodesis.

[0032] Specifically, the flat wedge-shaped suction head 2 has multiple longitudinal reinforcing ribs 4 evenly distributed within its internal cavity. These longitudinal reinforcing ribs 4 play a crucial role in enhancing the overall structural strength of the flat wedge-shaped suction head 2. During surgical procedures, the flat wedge-shaped suction head 2 needs to withstand certain pressure and external forces, especially when prying and separating the pleural fibrous plate, where it is subjected to significant forces. The even distribution of the longitudinal reinforcing ribs 4 can evenly disperse these external forces across the entire flat wedge-shaped suction head 2, avoiding localized stress concentration and thus preventing deformation or damage to the suction head. Simultaneously, because the longitudinal reinforcing ribs 4 are longitudinally distributed, they do not affect the unobstructed suction channel, ensuring that while enhancing structural strength, the normal operation of the suction function is not interfered with. This guarantees that accumulated blood and fluid can be smoothly suctioned out through the suction channel during surgery, further improving the practicality and reliability of this innovative suction head in pleural stripping surgery.

[0033] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or innovative suction head specifically for pleural stripping that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or innovative suction head specifically for pleural stripping.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An innovative suction head specifically for pleural stripping surgery, comprising a tubular handle (1) and a working head located at its front end, wherein the tubular handle (1) has a suction channel inside, characterized in that, The working head is an integrally formed flat wedge-shaped suction head (2), with its front end being a flat blunt end (21) for insertion into the interstitial space, and its upper and lower surfaces being flat dissection working surfaces (22) for prying the pleural fiber plate; the cross-section of the flat wedge-shaped suction head (2) is a flat ellipse or a rectangular shape, with its width being much greater than its thickness; at least one suction hole (3) communicating with the suction channel is provided on the dissection working surface (22).

2. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, The flat wedge head (2) has a rectangular cross-section, a length of 20mm to 30mm, and a thickness of 4mm to 6mm.

3. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, The flat wedge-shaped head (2) gradually thins from the connection with the tubular handle (1) toward the blunt end (21), and the wedge angle is 10° to 20°.

4. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, There are multiple suction holes (3), which are arranged along the width direction of the peeling working surface (22) on the upper side; the corners of the flat blunt end (21) are all rounded to form a smooth blunt edge.

5. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, The end thickness of the flat blunt end (21) is 0.3 mm to 0.7 mm; the main body thickness of the peeling working surface (22) is 2 mm to 4 mm.

6. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, The tubular handle (1) and the flat wedge-shaped head (2) are integrally molded from medical-grade stainless steel and their rigidity is enhanced by heat treatment.

7. The innovative suction head for pleural stripping surgery according to claim 1, characterized in that, The surface of the stripping working surface (22) is matte-finished.

8. An innovative suction head specifically for pleural stripping surgery according to claim 1, characterized in that, The tubular handle (1) is provided with a grip section (5) at a point away from the flat wedge suction head (2), and the outer wall of the grip section is provided with anti-slip texture. The outer end of the grip section (5) is connected to a negative pressure suction device.

9. An innovative suction head specifically for pleural stripping surgery according to claim 1, characterized in that, The flat wedge-shaped suction head (2) has multiple longitudinal reinforcing ribs (4) evenly distributed inside the cavity.

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