Magnetic adsorption directional multifunctional laparoscopic surgical forceps with replaceable forceps head

Abstract

The application discloses a punch-free multifunctional laparoscopic surgical forceps with magnetically adsorbed directional and quickly replaceable forceps heads, which comprises a holding operation part, the holding operation part comprising an outer tube and a fixed handle; the application further comprises a clamp part and a magnetic adsorption part; the clamp part comprising a shell, two forceps heads arranged at the front end of the shell and a ring-shaped magnet arranged at the rear end of the shell; the magnetic adsorption part comprising a cylindrical magnet; the holding operation part further comprises an inner tube, an operating rod, a movable handle and a wrench; the inner tube is arranged in the outer tube, and the operating rod is arranged in the inner tube; the movable handle and the wrench are both shaft-connected to the fixed handle. The application can reduce abdominal wall trauma, reduce equipment cost and simplify operation process.

Description

Technical Field

[0001] This invention relates to a non-drilling, multifunctional laparoscopic surgical forceps with magnetic adsorption orientation and quick-change forceps heads. Background Technology

[0002] Laparoscopic surgery, with its advantages of minimal trauma, rapid recovery, and minimal scarring, has become the gold standard for many surgical procedures, including cholecystectomy, colorectal surgery, and bariatric surgery. However, laparoscopic surgery still faces several technical bottlenecks.

[0003] Currently, laparoscopic surgery requires the creation of multiple trocar channels in the abdominal wall to allow surgical instruments and the laparoscope to enter. This approach has the following problems: First, multiple puncture holes increase abdominal wall trauma. Each additional puncture hole means another incision in the abdominal wall, which not only affects postoperative aesthetics but also increases the risk of complications such as incision infection and incisional hernia. For example, bariatric surgery typically requires 5-7 puncture holes, resulting in significant postoperative abdominal wall trauma.

[0004] Secondly, the limitation on the location and number of trocars leads to the "chopstick effect." All instruments enter the abdominal cavity through a limited number of trocar holes, causing interference and entanglement between instruments and between instruments and the camera within the abdominal cavity. This limits the operating angle, especially in surgeries with deep anatomical locations and difficult field exposure, where tissue traction and surgical field exposure are often difficult to achieve ideal results.

[0005] Furthermore, assisted traction requires additional manpower. To fully expose the surgical field, an assistant is usually needed to hold the scope or forceps to traction the tissue. This not only consumes manpower, but the assistant is also prone to fatigue, which may lead to unstable traction and affect the accuracy of the surgery. Summary of the Invention

[0006] In order to overcome the above-mentioned defects in the existing technology, the present invention provides a multifunctional, non-drilling laparoscopic surgical forceps with magnetic adsorption orientation and quick-change forceps head.

[0007] The present invention solves the above-mentioned technical problems through the following technical solution: A multi-functional, non-drilling laparoscopic surgical forceps with magnetic adsorption orientation and quick-changeable forceps heads includes a gripping operation unit comprising an outer tube and a fixed handle fixed to the rear end of the outer tube; it also includes a clamping part capable of engaging with the front end of the outer tube and capable of being released, and a magnetic suction part capable of controlling the released clamping part by magnetic attraction; the clamping part includes a housing, two forceps heads located at the front end of the housing, and an annular magnet located at the rear end of the housing; the magnetic suction part includes a cylindrical magnet; the gripping operation unit also includes an inner tube capable of releasing the clamping part by forward movement, an operating lever capable of opening the two forceps heads by forward movement, a movable handle for controlling the operating lever, and a wrench for controlling the inner tube; the inner tube passes through the outer tube, and the operating lever passes through the inner tube; the movable handle and the wrench are both pivotally connected to the fixed handle.

[0008] Furthermore, the clamping part also includes a push rod disposed within the housing, the push rod being fitted with a first spring, the front end of the first spring abutting against the housing, and the rear end of the first spring abutting against the push rod; the two clamp heads are connected to the housing via locating pins in a shaft-connected manner; the rear ends of the two clamp heads are respectively connected to the front ends of the push rod via connectors, and the clamp heads and connectors, as well as the connectors and push rods, are all shaft-connected; when the push rod moves forward and squeezes the first spring, the two clamp heads open; when the first spring returns to its original position and pushes the push rod backward, the two clamp heads close.

[0009] Furthermore, the front end of the outer tube is provided with a locking component, and the housing of the clamping part is provided with a locking end; when the clamping part is inserted into the outer tube, the locking component engages with the locking end.

[0010] Furthermore, the rear end of the operating lever is connected to the top of the movable handle; when the clamping part is engaged with the outer tube, moving the movable handle backward causes the operating lever to move forward and push the push rod forward, opening the two clamping heads; when the movable handle is released, the first spring pushes the push rod backward, closing the two clamping heads.

[0011] Furthermore, a second spring is fitted onto the inner tube; the front end of the second spring abuts against the inner wall of the outer tube, and the rear end of the second spring abuts against the outer wall of the inner tube; the rear end of the inner tube abuts against the top of the wrench.

[0012] Furthermore, when the wrench pushes the inner tube forward, the inner tube compresses the second spring, and the inner tube pushes the clamping part and disengages the clamping part from the gripping operation part; when the wrench is released, the second spring returns to its original position and pushes the inner tube backward.

[0013] Furthermore, the magnetic attraction part also includes a housing and a magnetic shielding component fitted onto the cylindrical magnet. Both the cylindrical magnet and the magnetic shielding component are located inside the housing. The bottom of the housing and the bottom of the magnetic shielding component both have hollowed-out portions. The side of the housing is provided with a knob that can be rotated to adjust the magnetic poles of the cylindrical magnet. The knob abuts against the cylindrical magnet. The central axis of the cylindrical magnet is laterally distributed. The two magnetic poles of the cylindrical magnet are respectively located on both sides of the central axis of the cylindrical magnet.

[0014] Furthermore, the outer casing of the magnetic part is designed to be held with one hand.

[0015] The beneficial effects of this invention are as follows: This invention enables magnetic coupling between the internal clamping part and the externally held magnetic suction part during laparoscopic surgery, allowing for tissue traction and exposure without the need for additional puncture holes, thus reducing abdominal wall trauma. Simultaneously, the handheld design reduces equipment costs, simplifies the operation process, and allows the surgeon or assistant to flexibly control the position and posture of the internal clamping parts with one hand. This invention employs a modular clamping head design that allows for quick replacement, enabling the use of different types and functions of clamping heads to meet diverse operational needs during surgery, avoiding frequent instrument changes due to limited functionality, and reducing surgical time. In this invention, the magnetic suction part can precisely control the direction and position of the clamping part located in the abdominal cavity, achieving precise traction. The separable design of the clamping part and the gripping operation part reduces instrument maintenance costs and extends the service life of the main body. The gripping operation part, as the main body, is reusable, while the clamping part can be selected for single use or sterilized and reused as needed, meeting infection control requirements while also considering economic benefits. This invention is a simple, easy-to-operate, safe and reliable handheld magnetically controlled surgical forceps, which is suitable for various surgical procedures such as single-port laparoscopic surgery and reduced-port laparoscopic surgery. It is especially suitable for obese patients and deep pelvic surgery and other scenarios where exposure is difficult. It can reduce the difficulty of surgery, shorten the operation time, and reduce patient trauma and economic burden. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the clamping part of a preferred embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the internal structure of the clamping part in a preferred embodiment of the present invention.

[0019] Figure 4 This is a schematic diagram of the internal structure of the gripping operation part according to a preferred embodiment of the present invention.

[0020] Figure 5 This is a schematic diagram of the structure when the clamping part and the gripping operation part are connected in a preferred embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the magnetic suction part according to a preferred embodiment of the present invention.

[0022] Figure 7 This is an exploded view of the magnetic suction part of a preferred embodiment of the present invention.

[0023] Figure 8This is a schematic diagram of the magnetic attraction state of the magnetic attraction part and the clamping part according to a preferred embodiment of the present invention. Detailed Implementation

[0024] The present invention will be described more clearly and completely below with reference to a preferred embodiment and the accompanying drawings.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, a magnetically adsorbed, directional, and quick-changeable forceps-head non-drilling multifunctional laparoscopic surgical forceps includes a gripping operation part 10, which includes an outer tube 11 and a fixed handle 12 fixed to the rear end of the outer tube.

[0026] The magnetically adsorbed, directional, and quick-changeable clamp head multifunctional laparoscopic surgical forceps also includes a clamping part 20 that can be locked onto the front end of the outer tube and can be released, and a magnetic suction part 30 that can control the released clamping part by magnetic attraction.

[0027] like Figure 2 and Figure 3 As shown, the clamping part 20 includes a housing 21, two clamp heads 22 located at the front end of the housing, an annular magnet 23 located at the rear end of the housing, and a push rod 24 located inside the housing. A first spring 25 is sleeved on the push rod 24. The front end of the first spring 25 abuts against the housing 21, and the rear end of the first spring 25 abuts against the push rod 24. The two clamp heads 22 are connected to the housing 21 by a locating pin 26 in a shaft connection manner. The rear ends of the two clamp heads 22 are respectively connected to the front end of the push rod by a connector 27. The clamp heads 22 and the connector 27, and the connector 27 and the push rod 24 are all shaft connections. When the push rod moves forward and squeezes the first spring, the two clamp heads open. When the first spring returns to its original position and pushes the push rod backward, the two clamp heads close.

[0028] The clamp head can come in various forms, including separating clamps, intestinal clamps, and fixing clamps. The magnetic pole at the rear end of the clamping part can be either a north pole or a south pole.

[0029] The gripping operation unit 10 also includes an inner tube 13 that can release the clamping part by moving forward, an operating lever 14 that can open the two clamp heads by moving forward, a movable handle 15 for controlling the operating lever, and a wrench 16 for controlling the inner tube; the inner tube 13 passes through the outer tube 11, and the operating lever 14 passes through the inner tube 13; the movable handle 15 and the wrench 16 are both pivotally connected to the fixed handle 12.

[0030] The outer tube 11 has a locking member 17 at its front end, and the clamping part 20 has a locking end 28 on its housing 21; when the clamping part is inserted into the outer tube, the locking member engages with the locking end.

[0031] The clamping part is engaged with the gripping operating part as follows: Figure 5 As shown. When it is necessary to release the clamp, the operating wrench 16 moves the inner tube 13 forward, the inner tube 13 pushes the locking member 17, causing the locking member 17 to disengage from the locking end of the clamp, and the inner tube simultaneously pushes the clamp, causing the clamp to disengage from the gripping operating part.

[0032] The rear end of the operating lever 14 is connected to the top of the movable handle 15; when the clamping part is engaged with the outer tube, moving the movable handle backward causes the operating lever to move forward and push the push rod forward, opening the two clamping heads; when the movable handle is released, the first spring pushes the push rod backward, closing the two clamping heads.

[0033] A second spring 18 is fitted on the inner tube 13; the front end of the second spring 18 abuts against the inner wall of the outer tube 11, and the rear end of the second spring 18 abuts against the outer wall of the inner tube 13; the rear end of the inner tube 13 abuts against the top of the wrench 16.

[0034] When the wrench pushes the inner tube forward, the inner tube compresses the second spring, and the inner tube pushes the clamping part and disengages the clamping part from the gripping operation part; when the wrench is released, the second spring returns to its original position and pushes the inner tube backward.

[0035] like Figure 6 and Figure 7 As shown, the magnetic suction unit 30 includes a cylindrical magnet 31, a housing 33, and a magnetic shielding member 32 fitted onto the cylindrical magnet. Both the cylindrical magnet 31 and the magnetic shielding member 32 are housed within the housing 33. The bottom of both the housing 33 and the magnetic shielding member 32 have openwork sections 34. A knob 35 is provided on the side of the housing 33, allowing adjustment of the magnetic poles of the cylindrical magnet by rotation. The knob 35 abuts against the cylindrical magnet 31. The central axis of the cylindrical magnet 31 is laterally distributed. The two magnetic poles of the cylindrical magnet 31 are respectively located on either side of the central axis. A handle 36 for easy gripping is provided on the housing 33. A top cover 37 is provided on the top of the housing. The housing of the magnetic suction unit is designed for one-handed operation.

[0036] The knob can rotate the cylindrical magnet around its central axis, so that the N pole or S pole of the cylindrical magnet faces downward. As a result, an N pole magnetic field, an S pole magnetic field, or no magnetism can appear in the hollowed-out area at the bottom of the outer shell (an extremely weak magnetic field can be regarded as no magnetism).

[0037] If the ring magnet in the clamping part is the N pole, adjusting the magnetic attraction part to the S pole will allow the clamping part to be attracted. Adjusting the magnetic attraction part to the N pole or to a non-magnetic state will allow the clamping part to detach from the magnetic attraction part.

[0038] The process of using this invention to pull on organs and tissues within the abdominal cavity: During abdominal surgery, using the laparoscopic surgical forceps of this invention, the clamping part is first engaged with the front end of the outer tube of the holding operation part. The operator holds the fixed handle and inserts the clamping part into the designated position inside the abdominal cavity through the hole on the patient's abdomen. Pulling the movable handle back opens the two clamp heads. Then, the movable handle is released, and the two clamp heads clamp the corresponding internal human tissues and organs. Then, the wrench is pulled back, the clamping part is released, the holding operation part leaves the abdominal cavity, and the clamping part remains inside the abdominal cavity. The operator places the magnetic suction part on the patient's body surface above the clamping part. The magnetic suction part attracts the clamping part. Moving the magnetic suction part causes the clamping part that clamps the internal human tissues and organs to move with it, thereby pulling the internal human tissues and organs away to facilitate subsequent surgery.

[0039] The magnetic attraction states of the magnetic attraction part and the clamping part are as follows: Figure 8 As shown, the clamping part 20 is located inside the abdominal cavity, and the magnetic suction part 30 is located above the human skin 40.

[0040] After surgery, when it is necessary to reposition the internal organs, rotate the knob on the magnetic suction unit to repel the magnetic poles of the magnetic suction unit and the clamp unit, causing the clamp unit to disengage from the magnetic suction unit. When it is necessary to remove the clamp unit from the abdominal cavity, it can be removed through an opening in the patient's abdomen.

[0041] Throughout the entire process, only one incision is needed in the patient's abdomen to achieve traction on the internal organs and tissues. Current technology, however, requires at least two incisions to achieve the same effect.

[0042] This invention enables magnetic coupling between the internal clamping forceps and the externally held magnetic suction forceps during laparoscopic surgery, allowing for tissue traction and exposure without the need for additional puncture holes, thus reducing abdominal wall trauma. Simultaneously, the handheld design reduces equipment costs, simplifies the operation process, and allows the surgeon or assistant to flexibly control the position and posture of the internal clamps with one hand.

[0043] In use, clamping sections with different clamp heads can be configured, such as clamping sections with non-traumatic grasping forceps, clamping sections with toothed grasping forceps, and clamping sections with dissecting forceps. During surgery, different clamping sections are used in conjunction with the gripping and magnetic suction sections as needed. This invention employs a modular clamp head design that allows for quick replacement, enabling the use of different types and functions of clamp heads to meet diverse surgical needs, avoid frequent instrument changes due to limited functionality, and reduce surgical time.

[0044] In this invention, the magnetic suction unit can precisely control the direction and position of the clamping part located in the abdominal cavity, achieving precise "point-and-shoot" traction. The detachable design of the clamping part and the gripping operation part reduces instrument maintenance costs and extends the service life of the main body. The gripping operation part, as the main body, is reusable, while the clamping part can be selected for single use or sterilized and reused as needed, meeting both infection control requirements and economic benefits.

[0045] This invention is a simple, easy-to-operate, safe and reliable handheld magnetically controlled surgical forceps, which is suitable for various surgical procedures such as single-port laparoscopic surgery and reduced-port laparoscopic surgery. It is especially suitable for obese patients and deep pelvic surgery and other scenarios where exposure is difficult. It can reduce the difficulty of surgery, shorten the operation time, and reduce patient trauma and economic burden.

[0046] While specific embodiments of the present invention have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but all such changes and modifications fall within the scope of protection of the present invention.

Claims

1. A magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps without drilling, comprising a gripping operating part, the gripping operating part including an outer tube and a fixed handle fixed to the rear end of the outer tube; characterized in that, It also includes a clamping part that can engage with the front end of the outer tube and can be released, and a magnetic suction part that can control the released clamping part by magnetic attraction; the clamping part includes a housing, two clamping heads located at the front end of the housing, and an annular magnet located at the rear end of the housing; the magnetic suction part includes a cylindrical magnet; the gripping operation part also includes an inner tube that can release the clamping part by moving forward, an operating lever that can open the two clamping heads by moving forward, a movable handle for controlling the operating lever, and a wrench for controlling the inner tube; the inner tube passes through the outer tube, and the operating lever passes through the inner tube; the movable handle and the wrench are both pivotally connected to the fixed handle.

2. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 1, characterized in that, The clamping part also includes a push rod disposed inside the housing. The push rod is fitted with a first spring. The front end of the first spring abuts against the housing, and the rear end of the first spring abuts against the push rod. The two clamp heads are connected to the housing by a locating pin in a shaft connection manner. The rear ends of the two clamp heads are respectively connected to the front end of the push rod by a connector. The clamp heads and the connector, as well as the connector and the push rod, are all shaft connections. When the push rod moves forward and squeezes the first spring, the two clamp heads open. When the first spring returns to its original position and pushes the push rod backward, the two clamp heads close.

3. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 2, characterized in that, The front end of the outer tube is provided with a locking component, and the housing of the clamping part is provided with a locking end; when the clamping part is inserted into the outer tube, the locking component engages with the locking end.

4. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 3, characterized in that, The rear end of the operating lever is connected to the top of the movable handle; when the clamping part is engaged with the outer tube, moving the movable handle backward causes the operating lever to move forward and push the push rod forward, opening the two clamping heads; when the movable handle is released, the first spring pushes the push rod backward, closing the two clamping heads.

5. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 2, characterized in that, A second spring is fitted onto the inner tube; the front end of the second spring abuts against the inner wall of the outer tube, and the rear end of the second spring abuts against the outer wall of the inner tube; the rear end of the inner tube abuts against the top of the wrench.

6. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 5, characterized in that, When the wrench pushes the inner tube forward, the inner tube compresses the second spring, and the inner tube pushes the clamping part and disengages the clamping part from the gripping operation part; when the wrench is released, the second spring returns to its original position and pushes the inner tube backward.

7. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 1, characterized in that, The magnetic attraction part also includes a housing and a magnetic shielding component fitted onto the cylindrical magnet. Both the cylindrical magnet and the magnetic shielding component are located inside the housing. The bottom of the housing and the bottom of the magnetic shielding component both have hollowed-out sections. The side of the housing is provided with a knob that can be rotated to adjust the magnetic poles of the cylindrical magnet. The knob abuts against the cylindrical magnet. The central axis of the cylindrical magnet is laterally distributed. The two magnetic poles of the cylindrical magnet are respectively located on both sides of the central axis of the cylindrical magnet.

8. The magnetically adsorbed, directional, and quickly replaceable forceps-head multifunctional laparoscopic surgical forceps as described in claim 7, characterized in that, The outer casing of the magnetic part is designed to be held with one hand.

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