A laparoscopic suction device

Abstract

The present invention discloses a laparoscopic aspirator, belonging to the technical field of medical devices, comprising an aspirator body, a clamp head and a control line, wherein the two ends of the aspirator body are respectively connected with an inlet and an outlet, and the inlet, the aspirator body and the outlet are interconnected; the clamp head is rotatably connected to the inlet, and the clamp head and the inlet form a clamping structure; one end of the control line is connected to the clamp head, and the other end of the control line extends to the outlet, and the opening and closing of the clamping structure is controlled by the control line. The present invention is provided with a clamp head on the inlet of the aspirator body, and the clamp head and the inlet are combined to form a clamping structure. The opening and closing of the clamping structure is controlled by the control line, so that the aspirator can clamp a small gauze during the aspiration process, and the aspiration operation is performed more effectively, while avoiding the decrease in aspiration efficiency caused by tissue blockage.

Description

Technical Field

[0001] The present invention relates to the technical field of medical instruments, and in particular to a laparoscopic aspirator. Background Art

[0002] Laparoscopic technology is a minimally invasive surgical technique widely used in modern clinical surgery. With its advantages of less trauma and faster recovery, it has become the preferred method for a variety of surgical treatments. The implementation of this technology is highly dependent on precise surgical instruments, including but not limited to separation forceps, non-destructive forceps, suction devices, and ultrasonic scalpels. These instruments perform their respective functions during the operation, and together ensure the efficiency and safety of the operation.

[0003] Among them, the aspirator plays a vital role in laparoscopic surgery. Its main function is to promptly remove bleeding, exudate, pus and the contents of chest organs during the operation. This not only helps to maintain a clear surgical field and reduce the risk of postoperative infection, but also can more effectively expose the surgical area by pulling the surrounding tissues, providing doctors with better operating conditions.

[0004] The inventors are aware of the following deficiencies in the use of commonly used suction devices in clinical practice: First, when the suction device contacts softer tissues, such as adipose tissue or intestinal tract, during surgery, it is prone to blockage, resulting in a significant decrease in suction efficiency. In order to address this problem, doctors usually place gauze strips on the bleeding site and indirectly absorb blood or liquid by suctioning the gauze strips. However, during the implementation of this method, the fluency and efficiency of the operation are often affected due to the lack of precise control of the gauze strips by traditional suction devices. Secondly, when the suction device pulls or lifts the surrounding tissues to expose the surgical area, it is difficult to achieve a stable exposure effect due to the limitations of its head shape (usually round). This may lead to frequent changes in the surgical field of view, increasing the difficulty and risk of the operation.

[0005] In view of the shortcomings of the above-mentioned traditional suction devices in use, improvements are needed to reduce the difficulty and risk of the operation. Summary of the invention

[0006] The object of the present invention is to provide a laparoscopic aspirator to solve the problems existing in the above-mentioned prior art. A clamp head is arranged on the inlet part of the aspirator body, and the clamp head and the inlet part are combined to form a clamping structure. The opening and closing of the clamping structure is controlled by a control line, so that the aspirator can clamp a small gauze during the aspiration process, thereby performing the aspiration operation more effectively and avoiding the decrease in aspiration efficiency due to tissue blockage.

[0007] To achieve the above object, the present invention provides the following solutions:

[0008] The present invention provides a laparoscopic aspirator, comprising an aspirator body, a clamp head and a control line, wherein the two ends of the aspirator body are respectively connected to an inlet portion and an outlet portion, and the inlet portion, the aspirator body and the outlet portion are interconnected; the clamp head is rotatably connected to the inlet portion, and the clamp head and the inlet portion form a clamping structure; one end of the control line is connected to the clamp head, and the other end of the control line extends to the outlet portion, and the opening and closing of the clamping structure is controlled by the control line.

[0009] In one embodiment, the cross-sectional profile of the inlet portion includes a first arc surface and a first plane connected to each other, the cross-sectional profile of the pliers head includes a second plane, the second plane is close to the first plane, and the first plane and the second plane form a clamping surface of the clamping structure.

[0010] In one embodiment, the first arc surface and the first plane extend to the entire contour of the attractor body, any cross section of the attractor body is semicircular or multi-semicircular, and the control line is close to the first plane.

[0011] In one embodiment, the cross-sectional profile of the absorber body is circular, a through hole is provided at a position corresponding to the first plane, and the control line is slidably disposed in the through hole.

[0012] In one embodiment, the cross-sectional profile of the pliers head further includes second arc surfaces located on both sides of the second plane, and when the clamping structure is closed, the second arc surfaces and the first arc surfaces are located on the same circular trajectory.

[0013] In one embodiment, a suction hole is formed on the end surface of the inlet portion, and the cross section of the suction hole is semicircular or multi-semicircular.

[0014] In one embodiment, the outlet portion is provided with a connector, the connector is provided with a suction tube opening, the suction tube opening is connected to the suction hole through the suction device body, and the suction tube opening is used to connect a negative pressure suction device.

[0015] In one embodiment, the suction nozzle includes a first nozzle and a second nozzle, the first nozzle is connected to the second nozzle, the first nozzle is provided with a first suction button, the first suction button is used to control the opening and closing of the first nozzle, and the second nozzle is provided with a second suction button, the second suction button is used to control the opening and closing of the second nozzle.

[0016] In one embodiment, the outlet portion is provided with a sliding switch, and the sliding switch is connected to the other end of the control line.

[0017] In one embodiment, a reset elastic member is further included, wherein the reset elastic member is connected between the pliers head and the inlet portion, and the reset elastic member has a tendency to keep the clamping structure closed.

[0018] Compared with the prior art, the present invention has achieved the following technical effects:

[0019] The present invention provides a clamp head on the inlet of the suction device body, and the clamp head and the inlet are combined to form a clamping structure, and the opening and closing of the clamping structure are controlled by a control line, so that the suction device can clamp a small gauze during the suction process, forming a structure similar to a "mop", which can more effectively perform the suction operation and avoid the decrease in suction efficiency caused by tissue blockage. In addition, when the surgical area needs to be exposed, the clamping structure can also be used to clamp the surrounding tissues to achieve a more stable and lasting exposure effect, providing doctors with a clearer and more stable surgical field of view. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of a laparoscopic aspirator in an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of a clamping structure in an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the closed state of the clamping structure in an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the clamping structure in the embodiment of the present invention in an open state;

[0025] Among them, 1. suction device body; 2. clamp head; 3. first suction button; 4. second suction button; 5. sliding switch; 6. first pipe mouth; 7. second pipe mouth; 8. control line; 9. suction hole; 10. reset elastic member. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The purpose of the present invention is to provide a laparoscopic aspirator to solve the problems existing in the prior art. A clamp head is provided on the inlet part of the aspirator body, and the clamp head and the inlet part are combined to form a clamping structure. The opening and closing of the clamping structure is controlled by a control line, so that the aspirator can clamp a small gauze during the aspiration process, thereby performing the aspiration operation more effectively and avoiding the decrease in aspiration efficiency caused by tissue blockage.

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0029] like Figure 1 to Figure 4 As shown, the present invention provides a laparoscopic aspirator, including an aspirator body 1, a clamp head 2 and a control line 8. The aspirator body 1 is the connecting tube part of the laparoscopic aspirator, which is mainly used to be placed in the abdominal cavity and can connect the intra-abdominal environment and the extra-abdominal environment, and then can use negative pressure to absorb the bleeding, exudate, pus and the contents of the chest organs during the operation. The two ends of the aspirator body 1 are respectively connected with an inlet and an outlet. The inlet is located at the distal end, that is, the end away from the operator, and the outlet is located at the proximal end, that is, the end close to the operator. The inlet, the aspirator body 1 and the outlet are interconnected. It should be noted that the inlet and the outlet can be a part of the aspirator body 1, and there is not necessarily a clear boundary. The clamp head 2 is rotatably connected to the inlet, and the clamp head 2 and the inlet form a clamping structure. When the clamp head 2 rotates, the clamping structure can be opened or closed, which can be used to clamp gauze or tissue. One end of the control line 8 is connected to the clamp head 2, and the other end of the control line 8 extends to the exit portion and can be connected to a handle or other structure for retracting and releasing the control line 8. The opening and closing of the clamping structure can be controlled by pulling back or pushing (relaxing) the control line 8. Generally, the opening can be achieved when pulling back. When pushing (relaxing) the control line 8, the thrust of the control line 8 or the elastic force of the clamping structure itself is used to put the clamping structure in a clamping state.

[0030] The present invention is provided with a clamp head 2 on the inlet of the aspirator body 1, and the clamp head 2 and the inlet are combined to form a clamping structure, and the opening and closing of the clamping structure is controlled by the control line 8, so that the aspirator can clamp a small gauze during the aspiration process, forming a structure similar to a "mop", and performing the aspiration operation more effectively, while avoiding the decrease in aspiration efficiency caused by tissue blockage. In addition, when it is necessary to expose the surgical area, the clamping structure can also be used to clamp the surrounding tissues to achieve a more stable and lasting exposure effect, providing doctors with a clearer and more stable surgical field of view.

[0031] Gauze is used in laparoscopic surgery. Its function is to gently wipe the wound surface and absorb the liquid into the gauze. The laparoscopic aspirator works through the gauze, so the liquid in the gauze can be directly sucked out to avoid sucking the surrounding tissue. The present invention uses the clamping structure formed by the clamp head 2 and the inlet part to clamp the gauze. Compared with the traditional aspirator that uses the metal rod of the aspirator to adjust the position of the gauze by "picking" action, the clamping adjustment method is more accurate and can more finely adjust the position of the gauze to achieve accurate suction.

[0032] In one embodiment, the cross-sectional profile of the inlet portion includes a first arc surface and a first plane connected to each other, that is, the inlet portion is not a complete cylindrical shape, but has a notch at the first plane. The cross-sectional profile of the clamp head 2 includes a second plane, the second plane is close to the first plane, the first plane and the second plane form a clamping surface of the clamping structure, and when the first plane and the second plane are close to each other, the gauze or other items between the two can be clamped.

[0033] In one embodiment, the first arc surface and the first plane extend to the entire contour of the suction device body 1, that is, the notched cylindrical structure is adopted throughout the entire length of the suction device body 1, and any cross-section of the suction device body 1 is semicircular or multi-semicircular, thereby reserving a position for the setting of the control line 8, so that the control line 8 can be set close to the first plane, avoiding increasing the outer diameter of the suction device body 1 after setting the control line 8 and affecting the laparoscopic surgery process.

[0034] In one embodiment, the cross-sectional profile of the suction device body 1 is circular. In this case, only a first plane is provided at the inlet portion for facilitating the installation of the forceps head 2. A through hole is provided at a position of the suction device body 1 corresponding to the first plane. The control line 8 is slidably arranged in the through hole. The movement of the control line 8 is limited by the through hole, thereby avoiding the unfixed position of the control line 8 and causing an impact on the patient or the operator.

[0035] In one embodiment, the cross-sectional profile of the forceps head 2 further includes second arc surfaces located on both sides of the second plane. In this case, the forceps head 2 may be a flat plate with two sides in the width direction being second arc surfaces, or may be a semicircular or less semicircular cross section. When the clamping structure is closed, the second arc surface and the first arc surface are located on the same circular trajectory. The provision of the second arc surface reduces edges and corners and avoids damage to the patient.

[0036] In one embodiment, a suction hole 9 is provided on the end face of the entrance portion, and the cross-section of the suction hole 9 is semicircular or multi-semicircular, matching the cross-section of the entrance portion. The suction hole 9 is provided on the end face of the entrance portion instead of radially, and a larger hole diameter can be provided to ensure sufficient suction space to attract larger foreign objects, thereby reducing the probability of blockage. At the same time, the movement of the pliers head 2 will not cause interference to the suction hole 9.

[0037] In one embodiment, the outlet is provided with a connector, which is connected to the outlet. The connector has a suction tube opening, which is connected to the suction hole 9 through the suction device body 1. After the suction tube opening is connected to the negative pressure suction device, negative pressure suction can be provided to the suction hole 9.

[0038] In one embodiment, the suction nozzle includes a first nozzle 6 and a second nozzle 7, and the first nozzle 6 is connected to the second nozzle 7. The first nozzle 6 is provided with a first suction button 3, and the first suction button 3 is used to control the opening and closing of the first nozzle 6. The second nozzle 7 is provided with a second suction button 4, and the second suction button 4 is used to control the opening and closing of the second nozzle 7. The first nozzle 6 and the second nozzle 7 can be independently controlled to open and close to meet different negative pressure adsorption requirements. During the operation, the first nozzle 6 (or the second nozzle 7) is connected to the negative pressure aspirator, and the second nozzle 7 (or the first nozzle 6) can be used to inject physiological saline into the surgical area to help clean the surgical field, or used as low-pressure suction under non-negative pressure conditions.

[0039] In one embodiment, a sliding switch 5 is provided at the outlet, and the sliding switch 5 is connected to the other end of the control line 8. The sliding switch 5 can slide at the outlet to control the movement of the forceps head 2 to realize the opening and closing of the clamping structure. The sliding switch 5 is also convenient for intraoperative operation.

[0040] In one embodiment, a resetting elastic member 10 is further included, and the resetting elastic member 10 can be a structure such as a spring sheet or a spring. The resetting elastic member 10 is connected between the clamp head 2 and the inlet portion, and has a tendency to keep the clamping structure closed. At this time, the control line 8 can be a flexible line, that is, it only needs to play a role when the control line 8 is pulled back. When the control line 8 is relaxed, the elastic force of the resetting elastic member 10 can maintain the clamping state of the clamping structure.

[0041] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A laparoscopic aspirator, characterized in that: include: An absorber body, wherein both ends of the absorber body are respectively connected with an inlet and an outlet, and the inlet, the absorber body and the outlet are interconnected; A clamp head, the clamp head is rotatably connected to the inlet portion, and the clamp head and the inlet portion form a clamping structure; and a control line, one end of which is connected to the clamp head, and the other end of which extends to the outlet portion, and the opening and closing of the clamping structure are controlled by the control line.

2. The laparoscopic aspirator according to claim 1, characterized in that: The cross-sectional profile of the inlet portion includes a first arc surface and a first plane connected to each other, and the cross-sectional profile of the pliers head includes a second plane, the second plane is close to the first plane, and the first plane and the second plane form a clamping surface of the clamping structure.

3. The laparoscopic aspirator according to claim 2, characterized in that: The first arc surface and the first plane extend to the entire outline of the attractor body, any cross section of the attractor body is semicircular or multi-semicircular, and the control line is close to the first plane.

4. The laparoscopic aspirator according to claim 2, characterized in that: The cross-sectional profile of the attractor body is circular, a through hole is provided at a position corresponding to the first plane, and the control line is slidably arranged in the through hole.

5. The laparoscopic aspirator according to claim 2, characterized in that: The cross-sectional profile of the clamp head further includes second arc surfaces located on both sides of the second plane. When the clamping structure is closed, the second arc surfaces and the first arc surfaces are located on the same circular trajectory.

6. The laparoscopic aspirator according to claim 1, characterized in that: The end surface of the inlet portion is provided with a suction hole, and the cross section of the suction hole is semicircular or multi-semicircular.

7. The laparoscopic aspirator according to claim 6, characterized in that: The outlet portion is provided with a connector, and the connector is provided with a suction tube opening, and the suction tube opening is connected to the suction hole through the suction device body, and the suction tube opening is used to connect a negative pressure suction device.

8. The laparoscopic aspirator according to claim 7, characterized in that: The suction nozzle includes a first nozzle and a second nozzle, the first nozzle is connected to the second nozzle, the first nozzle is provided with a first suction button, the first suction button is used to control the opening and closing of the first nozzle, and the second nozzle is provided with a second suction button, the second suction button is used to control the opening and closing of the second nozzle.

9. The laparoscopic aspirator according to claim 1, characterized in that: The outlet portion is provided with a slide switch, and the slide switch is connected to the other end of the control line.

10. The laparoscopic aspirator according to claim 1, characterized in that: It also includes a reset elastic member, which is connected between the clamp head and the inlet portion, and has a tendency to keep the clamping structure closed.

Images