A hemostatic clip for endoscopic surgery

Abstract

The present invention discloses a hemostatic clip for endoscopic surgery, including a hemostatic clip body; the hemostatic clip body includes a mounting tube; the front end of the mounting tube is fixedly connected with a group of clamping pieces arranged opposite to each other, and an extrusion tube is sleeved on the outside of the mounting tube; the inner wall of the top plate of the extrusion tube is fixedly connected with a moving frame, a screw rod is passed through the lower part of the moving frame, the screw rod is threadedly connected with the moving frame, and the lower end of the screw rod is connected with the output shaft of a driving motor through a coupling. The present invention is provided with a mounting tube, a clamping piece with an arc-shaped front end, an extrusion tube, a moving frame, a screw rod, a driving motor, a connecting rod, and a holding tube, so as to facilitate the clamping and hemostasis of a human body cavity wound, with precise operation and controllable force, thereby ensuring the stability of the hemostatic clip; by providing a camera and a display installed at the front end of the mounting tube, an auxiliary field of view is provided, so as to facilitate the precise hemostatic operation in a narrow operating space and facilitate dynamic adjustment.

Description

Technical Field

[0001] The invention relates to the field of medical hemostatic clips, in particular to a hemostatic clip used for endoscopic surgery. Background Art

[0002] During endoscopic surgery, it is necessary to stop bleeding from wounds in the intracavitary tissue. Traditional hemostatic tools include hemostatic forceps and hemostatic clips, which all require manual operation. The effect and stability of the operation depend on the doctor's control and there is a possibility of loosening.

[0003] The present application provides a stable hemostatic clip. Summary of the invention

[0004] The object of the present invention is to provide a hemostatic clip for endoscopic surgery to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A hemostatic clip for endoscopic surgery comprises a hemostatic clip body; the hemostatic clip body comprises a mounting tube; a group of clamping plates arranged opposite to each other are fixedly connected to the front end of the mounting tube, and an extrusion tube is sleeved on the outer side of the mounting tube; a moving frame is fixedly connected to the inner wall of the top plate of the extrusion tube, a tube cover is fixedly connected to the upper end of the mounting tube by bolts, the moving frame passes through the tube cover and extends to the inner cavity of the mounting tube; a screw rod passes through the lower part of the moving frame, the screw rod is threadedly connected to the moving frame, and the lower end of the screw rod is connected to the output shaft of a driving motor through a coupling.

[0007] As a further solution of the present invention: the installation cylinder is a hollow cylindrical cylinder, the extrusion cylinder is a hollow cylinder with an opening at the lower end, and the extrusion cylinder is slidably connected to the outer wall of the installation cylinder.

[0008] As a further solution of the present invention: the clamping piece is an elastic metal sheet, and the front part of the clamping piece is arc-shaped.

[0009] As a further solution of the present invention: the movable frame is in the shape of an inverted "door", a through hole matching with the movable frame is opened on the cylinder cover, and the movable frame is slidably connected with the cylinder cover.

[0010] As a further solution of the present invention: the screw rod is nested in the installation tube, the upper end of the screw rod is rotatably connected to an end plate through a bearing seat, and the end plate is fixedly connected to the inner wall of the installation tube by bolts.

[0011] As a further solution of the present invention: the tube cover is fixedly connected to a connecting rod, the connecting rod is a hollow sleeve-type telescopic rod, the end of the connecting rod is fixedly connected to a holding tube, the connecting wires between the devices pass through the connecting rod, the holding tube is a hollow cylinder, and a detachable battery is nested in the holding tube; the driving motor is electrically connected in series with a battery and a controller through wires, the controller is a single-chip microcomputer controller, the controller is connected to a switch board through wires, the switch board is provided with a button, and the button extends to the outside of the holding tube.

[0012] As a further solution of the present invention: the hemostatic clip body is provided with an auxiliary visual mechanism; the auxiliary visual structure includes a camera nested and installed at the front end of the mounting tube, and the camera is located between the clamping plates; the camera is connected to a display via a video output line, the display is connected to a controller via a wire, the display is fixedly connected to the outer wall of the holding tube via a mounting frame, and a hinge shaft is provided at the connection between the display and the mounting frame.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is convenient for clamping and stopping bleeding of intracavitary wounds in the human body by providing a mounting tube, a clamping piece with an arc-shaped front end, an extrusion tube, a movable frame, a screw rod, a driving motor, a connecting rod, and a holding tube, with precise operation and controllable force, thereby ensuring the stability of hemostasis by the hemostatic clamp; by providing a camera and a display installed at the front end of the mounting tube, an auxiliary field of view is provided, which facilitates precise hemostasis operations in a narrow operating space and facilitates dynamic adjustments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the internal structure of a hemostatic clip used in endoscopic surgery;

[0015] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0016] Figure 3 The present invention is a stereoscopic diagram of a clamping piece in a hemostatic clip used in endoscopic surgery;

[0017] Figure 4 A stereoscopic view of the squeezing cylinder in a hemostatic clip used in endoscopic surgery.

[0018] In the figure: 1-installing cylinder; 2-clamping plate; 3-extrusion cylinder; 4-connecting rod; 5-holding cylinder; 6-moving frame; 7-cylinder cover; 8-screw rod; 9-end plate; 10-coupling; 11-driving motor; 12-camera; 13-display; 14-mounting frame; 15-battery; 16-controller; 17-switch board. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] See also Figure 1-4 In an embodiment of the present invention, a hemostatic clip for endoscopic surgery comprises a hemostatic clip body; the hemostatic clip body comprises a mounting tube 1, which is a hollow cylindrical tube, convenient for inserting into the human body cavity; a group of clamping pieces 2 arranged opposite to each other are fixedly connected to the front end of the mounting tube 1, the clamping pieces 2 are elastic metal sheets, and the front part of the clamping pieces 2 is arc-shaped; an extrusion tube 3 is sleeved on the outer side of the mounting tube 1, and the extrusion tube 3 is slidably connected to the outer wall of the mounting tube 1; the extrusion tube 3 is a hollow tube with an opening at the lower end, and a moving frame 6 is fixedly connected to the inner wall of the top plate of the extrusion tube 3, and the moving frame 6 is in the shape of an inverted "door"; a tube cover 7 is fixedly connected to the upper end of the mounting tube 1 by bolts, and the moving frame 6 passes through the tube cover 7 It extends to the inner cavity of the mounting tube 1, and a through hole matching the moving frame 6 is opened on the tube cover 7, and the moving frame 6 is slidably connected to the tube cover 7; a screw rod 8 runs through the lower part of the moving frame 6, and the screw rod 8 is threadedly connected to the moving frame 6, and the screw rod 8 is nested in the mounting tube 1, and the upper end of the screw rod 8 is rotatably connected to the end plate 9 through the bearing seat, and the end plate 9 is fixedly connected to the inner wall of the mounting tube 1 by bolts; the lower end of the screw rod 8 is connected to the output shaft of the driving motor 11 through the coupling 10, and the driving motor 11 is nested in the mounting tube 1 and fixedly connected to the inner wall of the mounting tube 1 by bolts; the tube cover 7 and the end plate 9 fixed with bolts facilitate the disassembly and assembly of the driving motor 11, the moving frame 6 and the screw rod 8.

[0022] Specifically, the output shaft of the driving motor 11 drives the screw 8 to rotate through the coupling 10, the screw 8 drives the movable frame 6 to move downward, the movable frame 6 drives the extrusion cylinder 3 to move downward, the extrusion cylinder 3 squeezes the relatively arranged clamping plates 2, so that the clamping plates 2 move toward each other, and the clamping plates 2 clamp and stop bleeding on the wound in the human body cavity. The extrusion cylinder 3 is driven to move precisely by the screw module, and the moving stroke of the extrusion cylinder 3 is controlled, thereby controlling the clamping force and clamping range of the clamping plate 2. Compared with manual operation, it is more stable and has a better hemostatic effect.

[0023] In order to facilitate the holding operation, the tube cover 7 is fixedly connected to the connecting rod 4, and the end of the connecting rod 4 is fixedly connected to the holding tube 5. The holding tube 5 is a hollow cylinder. A detachable battery 15 is nested in the holding tube 5, which is convenient for people to hold for wireless operation and convenient for battery replacement; the driving motor 11 is electrically connected in series with the battery 15 and the controller 16 in sequence through wires. The controller 16 is a single-chip microcomputer controller. The controller 16 is connected to the switch board 17 through wires. The switch board 17 is provided with a button, and the button extends to the outside of the holding tube 5.

[0024] Example 2

[0025] In the present embodiment, a hemostatic clip for endoscopic surgery comprises a hemostatic clip body; the hemostatic clip body comprises a mounting tube 1, which is a hollow cylindrical tube, convenient for inserting into the human body cavity; a group of clamping plates 2 arranged opposite to each other are fixedly connected at the front end of the mounting tube 1, the clamping plates 2 are elastic metal plates, and the front part of the clamping plates 2 is arc-shaped; an extrusion tube 3 is sleeved on the outer side of the mounting tube 1, and the extrusion tube 3 is slidably connected to the outer wall of the mounting tube 1; the extrusion tube 3 is a hollow tube with an opening at the lower end, and a moving frame 6 is fixedly connected to the inner wall of the top plate of the extrusion tube 3, and the moving frame 6 is in the shape of an inverted "door"; a tube cover 7 is fixedly connected to the upper end of the mounting tube 1 by bolts, and the moving frame 6 passes through the tube cover 7 and It extends to the inner cavity of the mounting tube 1, and a through hole matching the moving frame 6 is opened on the tube cover 7, and the moving frame 6 is slidably connected to the tube cover 7; a screw rod 8 runs through the lower part of the moving frame 6, and the screw rod 8 is threadedly connected to the moving frame 6, and the screw rod 8 is nested in the mounting tube 1, and the upper end of the screw rod 8 is rotatably connected to the end plate 9 through the bearing seat, and the end plate 9 is fixedly connected to the inner wall of the mounting tube 1 by bolts; the lower end of the screw rod 8 is connected to the output shaft of the driving motor 11 through the coupling 10, and the driving motor 11 is nested in the mounting tube 1 and fixedly connected to the inner wall of the mounting tube 1 by bolts; the tube cover 7 and the end plate 9 fixed with bolts facilitate the disassembly and assembly of the driving motor 11, the moving frame 6 and the screw rod 8.

[0026] Specifically, the output shaft of the driving motor 11 drives the screw 8 to rotate through the coupling 10, the screw 8 drives the movable frame 6 to move downward, the movable frame 6 drives the extrusion cylinder 3 to move downward, the extrusion cylinder 3 squeezes the relatively arranged clamping plates 2, so that the clamping plates 2 move toward each other, and the clamping plates 2 clamp and stop bleeding on the wound in the human body cavity. The extrusion cylinder 3 is driven to move precisely by the screw module, and the moving stroke of the extrusion cylinder 3 is controlled, thereby controlling the clamping force and clamping range of the clamping plate 2. Compared with manual operation, it is more stable and has a better hemostatic effect.

[0027] In order to facilitate the holding operation, the tube cover 7 is fixedly connected to the connecting rod 4, and the connecting rod 4 is a hollow sleeve-type telescopic rod, which is convenient for adjusting the length. The end of the connecting rod 4 is fixedly connected to the holding tube 5, and the connecting wires between the devices pass through the connecting rod 4. The holding tube 5 is a hollow cylinder. A detachable battery 15 is nested in the holding tube 5, which is convenient for personnel to hold for wireless operation and convenient for battery replacement; the driving motor 11 is electrically connected in series with the battery 15 and the controller 16 in sequence through wires. The controller 16 is a single-chip microcomputer controller. The controller 16 is connected to the switch board 17 through wires. The switch board 17 is provided with a button, and the button extends to the outside of the holding tube 5.

[0028] Intracavitary surgery is performed through an endoscope. The moving space in the human body is narrow. When the hemostatic clamp is operated, the line of sight is easily obstructed, and the clamping hemostatic effect cannot be observed, and real-time dynamic adjustment cannot be performed. To solve the above problems, the hemostatic clamp body is provided with an auxiliary visual mechanism; the auxiliary visual structure includes a camera 12 nested and installed at the front end of the mounting tube 1, and the camera 12 is located between the clamping pieces 2; the camera 12 is connected to a display 13 through a video output line, and the display 13 is connected to a controller 16 through a wire, and the display 13 is fixedly connected to the outer wall of the holding tube 5 through a mounting frame 14, and a hinge axis is provided at the connection between the display 13 and the mounting frame 14, which is convenient for adjusting the direction of the display 13 and convenient for personnel to observe.

[0029] It should be specially noted that: the display and controller in the present application are prior art; the mounting tube, the clamping piece with an arc-shaped front end, the extrusion tube, the moving frame, the screw rod, the driving motor, the camera installed at the front end of the mounting tube, the connecting rod and the holding tube are the innovations of the present application; by providing the mounting tube, the clamping piece with an arc-shaped front end, the extrusion tube, the moving frame, the screw rod, the driving motor, the connecting rod and the holding tube, it is convenient to clamp and stop bleeding of the wound in the human body cavity, the operation is precise, the force is controllable, and the stability of the hemostatic clamp is ensured; by providing the camera and the display installed at the front end of the mounting tube, an auxiliary field of view is provided, which is convenient for precise hemostasis operation in a narrow operating space and convenient for dynamic adjustment.

[0030] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hemostatic clip for endoscopic surgery, comprising a hemostatic clip body; characterized in that: The hemostatic clip body comprises a mounting tube (1); a group of clamping plates (2) arranged opposite to each other are fixedly connected to the front end of the mounting tube (1); an extrusion tube (3) is sleeved on the outer side of the mounting tube (1); a moving frame (6) is fixedly connected to the inner wall of the top plate of the extrusion tube (3); a tube cover (7) is fixedly connected to the upper end of the mounting tube (1) by means of bolts; the moving frame (6) passes through the tube cover (7) and extends to the inner cavity of the mounting tube (1); a screw rod (8) passes through the lower part of the moving frame (6); the screw rod (8) is threadedly connected to the moving frame (6); the lower end of the screw rod (8) is connected to the output shaft of a driving motor (11) via a coupling (10); The installation cylinder (1) is a hollow cylindrical cylinder, the extrusion cylinder (3) is a hollow cylinder with an opening at the lower end, and the extrusion cylinder (3) is slidably connected to the outer wall of the installation cylinder (1); The movable frame (6) is in the shape of an inverted "door", and a through hole matching the movable frame (6) is provided on the cylinder cover (7), and the movable frame (6) and the cylinder cover (7) are slidably connected; The screw rod (8) is nested in the installation tube (1); the upper end of the screw rod (8) is rotatably connected to an end plate (9) via a bearing seat; the end plate (9) is fixedly connected to the inner wall of the installation tube (1) by means of bolts.

2. A hemostatic clip for endoscopic surgery according to claim 1, characterized in that: The clamping piece (2) is an elastic metal piece, and the front part of the clamping piece (2) is arc-shaped.

3. A hemostatic clip for endoscopic surgery according to claim 1, characterized in that: The cylinder cover (7) is fixedly connected to a connecting rod (4), the connecting rod (4) is a hollow sleeve-type telescopic rod, the end of the connecting rod (4) is fixedly connected to a holding cylinder (5), the connecting wire between devices passes through the connecting rod (4), the holding cylinder (5) is a hollow cylinder, and a detachable storage battery (15) is embedded in the holding cylinder (5); the driving motor (11) is electrically connected in series with the storage battery (15) and the controller (16) in sequence through wires, the controller (16) is a single-chip microcomputer controller, and the controller (16) is connected to a switch board (17) through wires, and a button is provided on the switch board (17), and the button extends to the outside of the holding cylinder (5).

4. A hemostatic clip for endoscopic surgery according to claim 3, characterized in that: The hemostatic clip body is provided with an auxiliary visual mechanism; the auxiliary visual structure comprises a camera (12) nested and installed at the front end of the mounting tube (1), the camera (12) being located between the clamping plates (2); the camera (12) is connected to a display (13) via a video output line, the display (13) is connected to a controller (16) via a wire, the display (13) is fixedly connected to the outer wall of the holding tube (5) via a mounting frame (14), and a hinge shaft is provided at the connection between the display (13) and the mounting frame (14).

Images