Polyp excision and collection device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a polyp resection and collection device which comprises a handle, an outer tube, a sleeve head and a collection assembly, and the collection assembly comprises an elastic rope, a sleeve bag, a circular ring, a connecting tube, a guide ring and an auxiliary mechanism. Firstly, the circular ring is held, the snare head on the outer tube is placed into the body of a patient, the connecting tube is slid and the outer tube is pushed to move according to the position of a polyp, so that the snare head moves to the position of the polyp, the sleeve bag moves to the position of the polyp along with the connecting tube, and medical staff uses an auxiliary mechanism to operate the elastic rope to contract the snare head; meanwhile, an external power supply is started, so that the loop head can cut off the polyp in the body of the patient, the polyp falls into the sleeve bag, and the problem that other instruments are needed to collect the cut polyp after the polyp of the patient is cut off by an existing polyp cutter is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a polyp removal and collection device. Background Art

[0002] For patients with gastrointestinal polyps, after high-frequency electrosurgical polypectomy under gastroscopy or colonoscopy, the polyps need to be completely removed for pathological examination to determine the nature of the lesion and whether there is any malignant transformation. This is crucial for the selection of subsequent treatment options. Existing polypectomies may cause the "snare head" to fall off when cutting polyps.

[0003] Currently, prior art (CN219557532U) discloses a polypectomy device comprising a handle, an outer tube, a snare head, and a drive assembly for controlling the movement of the snare head. The drive assembly is configured to extend or retract the snare head relative to the distal end of the outer tube. The handle is disposed at the proximal end of the outer tube, and the drive assembly is mounted on the handle. The drive assembly comprises a hard metal strip having a through slot defined along the longitudinal axis of the hard metal strip at its distal end. The distal end of the hard metal strip protrudes outwardly along the long side of the through slot to form the snare head. This polypectomy device utilizes an innovative structural design that is simpler and easier to use, significantly reducing the risk of failure.

[0004] However, with the above method, after the medical staff uses the resectoscope to remove the patient's polyps, they also need to use other instruments to collect the removed polyps. Utility Model Content

[0005] The utility model aims to provide a polypectomy and collection device, aiming to solve the problem that after the existing polypectomy device is used to remove the patient's polyps, other instruments are still needed to collect the removed polyps.

[0006] To achieve the above-mentioned purpose, the present invention provides a polypectomy and collection device, comprising a handle, an outer tube, a snare head, and a collection assembly, wherein the outer tube is arranged on the side of the handle, the snare head is fixedly connected to the outer tube and is located on one side of the outer tube, and the collection assembly comprises an elastic rope, a bag, a ring, a connecting tube, a guide ring, and an auxiliary mechanism;

[0007] The elastic rope is slidably connected to the snare head and is located on the side of the snare head. The bag is fixedly connected to the snare head and is located on one side of the snare head. The ring is slidably connected to the handle and is located on one side of the handle. The connecting tube is fixedly connected to the ring, slidably connected to the handle, and fixedly connected to the outer tube and located on one side of the ring. The guide ring is fixedly connected to the handle and slidably connected to the connecting tube and is located on one side of the handle. The auxiliary mechanism is arranged on one side of the handle.

[0008] Wherein, the collecting assembly further comprises a connecting head, which is fixedly connected to the handle and slidably connected to the connecting tube and is located on one side of the connecting tube.

[0009] Wherein, the circular ring includes a mounting ring, a thumb ring and a side ring. The mounting ring is slidably connected to the handle and is located on one side of the handle. The thumb ring is fixedly connected to the handle and is located on the side of the handle away from the guide ring. The side ring is fixedly connected to the mounting ring and is located on one side of the mounting ring.

[0010] Wherein, the auxiliary mechanism includes a fixed ring, an end block and a limiting ring, the fixed ring is fixedly connected to the side ring and is located on one side of the side ring, the end block is fixedly connected to the elastic rope and is located on the side of the elastic rope away from the snare head, the limiting ring is fixedly connected to the end block, and is slidably connected to the fixed ring, and is located on one side of the fixed ring.

[0011] In which, the auxiliary mechanism also includes a limit frame and a positioning member, the limit frame is fixedly connected to the mounting ring and is slidably connected to the handle, and is located on one side of the limit frame, the positioning member is threadedly connected to the limit frame, and is slidably connected to the handle, and is located on one side of the limit frame.

[0012] The utility model provides a polyp removal and collection device. When it is necessary to remove polyps in the patient's body during treatment of the patient, the medical staff first holds the ring and puts the snare head on the outer tube into the patient's body, and slides the connecting tube according to the position of the polyp to push the outer tube to move, so that the snare head moves to the position of the polyp, and the bag follows and moves to the position of the polyp. At this time, the medical staff uses the auxiliary mechanism to operate the elastic rope to shrink the snare head and start the external power supply at the same time, so that the snare head can remove the polyps in the patient's body and make them fall into the bag, completing the removal and collection of the polyps. During operation, the guide ring is used to prevent the outer tube from deviating during use, thereby solving the problem that after the existing polypectomy uses the resector to remove the patient's polyps, other instruments need to be used to collect the removed polyps. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0014] Figure 1 It is a schematic diagram of the overall structure of a polypectomy and collection device of the present invention.

[0015] Figure 2This is a schematic structural diagram of the entire polypectomy and collection device of the present invention from another angle.

[0016] Figure 3 The utility model is a structural schematic diagram of an elastic rope, a fixing ring, an end block and a limiting ring of a polypectomy and collection device.

[0017] Figure 4 It is a sectional view of the whole of a polypectomy and collection device of the present invention.

[0018] 101-handle, 102-outer tube, 103-loop head, 104-collecting assembly, 105-elastic rope, 106-bag, 107-ring, 108-connecting tube, 109-guide ring, 110-auxiliary mechanism, 111-connecting head, 112-mounting ring, 113-thumb ring, 114-side ring, 115-fixing ring, 116-end block, 117-limiting ring, 118-limiting frame, 119-positioning piece. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] See also Figures 1 to 4 , Figure 1 This is a schematic diagram of the overall structure of a polyp removal and collection device of the utility model. Figure 2 This is a schematic structural diagram of the entire polyp removal and collection device from another angle of the present invention. Figure 3 This is a schematic structural diagram of an elastic rope, a fixing ring, an end block and a limiting ring of a polypectomy and collection device of the present invention. Figure 4 It is a sectional view of the whole of a polypectomy and collection device of the present invention.

[0021] The present invention provides a polypectomy and collection device, comprising a handle 101, an outer tube 102, a snare head 103, and a collection assembly 104. The collection assembly 104 comprises an elastic rope 105, a bag 106, a circular ring 107, a connecting tube 108, a guide ring 109, an auxiliary mechanism 110, and a connecting head 111. The circular ring 107 comprises a mounting ring 112, a thumb ring 113, and a side ring 114. The auxiliary mechanism 110 comprises a fixing ring 115, an end block 116, a limiting ring 117, a limiting frame 118, and a positioning member 119. The above-mentioned solution solves the problem that after using the existing polypectomy device to remove the patient's polyps, other instruments are still needed to collect the removed polyps.

[0022] According to this specific embodiment, the outer tube 102 is arranged on the side of the handle 101, and the snare head 103 is fixedly connected to the outer tube 102 and is located on one side of the outer tube 102. Medical personnel hold the handle 101 and place the outer tube 102 and the snare head 103 on the polyp in the patient's body to remove it. The usage and specific structure of the outer tube 102 and the snare head 103 are described in detail in the patent publication number CN219557532U, which is not within the scope of protection of this application and will not be repeated here.

[0023] Among them, the elastic rope 105 is slidably connected to the snare head 103 and is located on the side of the snare head 103, the bag 106 is fixedly connected to the snare head 103 and is located on one side of the snare head 103, the ring 107 is slidably connected to the handle 101 and is located on one side of the handle 101, the connecting tube 108 is fixedly connected to the ring 107, and is slidably connected to the handle 101, and is fixedly connected to the outer tube 102 and is located on one side of the ring 107, the guide ring 109 is fixedly connected to the handle 101, and is slidably connected to the connecting tube 108 and is located on one side of the handle 101, and the auxiliary mechanism 110 is arranged on one side of the handle 101. When treating a patient and it is necessary to remove a polyp in the patient's body, the medical staff first holds the ring 1 07. Put the snare head 103 on the outer tube 102 into the patient's body, and slide the connecting tube 108 according to the position of the polyp to push the outer tube 102 to move, so that the snare head 103 moves to the position of the polyp, and the bag 106 follows and moves to the position of the polyp. At this time, the medical staff uses the auxiliary mechanism 110 to operate the elastic rope 105 to shrink the snare head 103 and start the external power supply at the same time, so that the snare head 103 can remove the polyps in the patient's body and make them fall into the bag 106, completing the removal and collection of the polyps. During operation, the guide ring 109 is used to prevent the outer tube 102 from deviating during use, thereby solving the problem that after the existing polypectomy uses the resector to remove the patient's polyps, other instruments need to be used to collect the removed polyps.

[0024] Secondly, the connector 111 is fixedly connected to the handle 101 and slidably connected to the connecting tube 108 and is located on one side of the connecting tube 108. The connector 111 is connected to an external power source and then cooperates with the snare head 103 to remove polyps in the patient's body.

[0025] Again, the mounting ring 112 is slidingly connected to the handle 101 and is located on one side of the handle 101. The thumb ring 113 is fixedly connected to the handle 101 and is located on the side of the handle 101 away from the guide ring 109. The side ring 114 is fixedly connected to the mounting ring 112 and is located on one side of the mounting ring 112. When using the collection device, the medical staff's thumb can be placed in the thumb ring 113, and the index finger and middle finger can be placed in the side ring 114 to drive the mounting ring 112 to move, thereby pushing the connecting tube 108 to move in the handle 101.

[0026] In addition, the fixing ring 115 is fixedly connected to the side ring 114 and is located on one side of the side ring 114. The end block 116 is fixedly connected to the elastic rope 105 and is located on the side of the elastic rope 105 away from the snare head 103. The limiting ring 117 is fixedly connected to the end block 116 and is slidably connected to the fixing ring 115 and is located on one side of the fixing ring 115. After the bag 106 moves to the position of the polyp following the snare head 103, the medical staff can hold the end block 116 and pull the elastic rope 105 to shrink it along the fixing ring 115, thereby shrinking the snare head 103. The limiting ring 117 can prevent the end block 116 from sliding into the fixing frame.

[0027] Finally, the limit frame 118 is fixedly connected to the mounting ring 112, and is slidably connected to the handle 101, and is located on one side of the limit frame 118. The positioning member 119 is threadedly connected to the limit frame 118, and is slidably connected to the handle 101, and is located on one side of the limit frame 118. After the medical staff moves the mounting ring 112 to the specified position, the positioning member 119 is rotated right. The positioning member 119 passes through the limit frame 118 and presses the handle 101, so that the mounting ring 112 stops moving, and the connecting tube 108 stops moving accordingly. The snare head 103 on the outer tube 102 stops at the specified position, which is convenient for the operation of the medical staff.

[0028] The utility model relates to a polypectomy and collection device. When a polyp needs to be removed from a patient's body during treatment, the medical staff can put the thumb into the thumb ring 113, and the index finger and middle finger into the side ring 114, driving the installation ring 112 to move, thereby pushing the connecting tube 108 to move in the handle 101, and putting the snare head 103 on the outer tube 102 into the patient's body. According to the position of the polyp, the connecting tube 108 is slid to push the outer tube 102 to move, so that the snare head 103 moves to the position of the polyp, and the bag 106 follows and moves to the position of the polyp. After the medical staff moves the installation ring 112 to the polyp position, at this time, the right-hand rotation of the The positioning member 119 passes through the limit frame 118 and presses the handle 101, so that the mounting ring 112 stops moving, the connecting tube 108 stops moving accordingly, and the snare head 103 on the outer tube 102 stops at the polyp position. At this time, the medical staff can connect an external power supply to the connecting head 111, and hold the end block 116 to pull the elastic rope 105 to shrink it along the fixing ring 115, thereby shrinking the snare head 103 and making it fall into the bag 106, completing the removal and collection of the polyps, thereby solving the problem that after the existing polypectomy uses the resector to remove the patient's polyps, other instruments are still needed to collect the removed polyps.

[0029] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A polypectomy and collection device, comprising a handle, an outer tube, and a snare head, wherein the outer tube is arranged on the side of the handle, and the snare head is fixedly connected to the outer tube and is located on one side of the outer tube, characterized in that: Also included are collection components; The collecting assembly includes an elastic rope, a bag, a ring, a connecting tube, a guide ring and an auxiliary mechanism; The elastic rope is slidably connected to the snare head and is located on the side of the snare head. The bag is fixedly connected to the snare head and is located on one side of the snare head. The ring is slidably connected to the handle and is located on one side of the handle. The connecting tube is fixedly connected to the ring, slidably connected to the handle, and fixedly connected to the outer tube and located on one side of the ring. The guide ring is fixedly connected to the handle and slidably connected to the connecting tube and is located on one side of the handle. The auxiliary mechanism is arranged on one side of the handle.

2. A polypectomy and collection device according to claim 1, characterized in that: The collecting assembly further comprises a connecting head, which is fixedly connected to the handle and slidably connected to the connecting tube and is located on one side of the connecting tube.

3. A polypectomy and collection device according to claim 2, characterized in that: The circular ring includes a mounting ring, a thumb ring and a side ring. The mounting ring is slidably connected to the handle and is located on one side of the handle. The thumb ring is fixedly connected to the handle and is located on a side of the handle away from the guide ring. The side ring is fixedly connected to the mounting ring and is located on one side of the mounting ring.

4. A polypectomy and collection device according to claim 3, characterized in that: The auxiliary mechanism includes a fixed ring, an end block and a limiting ring. The fixed ring is fixedly connected to the side ring and is located on one side of the side ring. The end block is fixedly connected to the elastic rope and is located on the side of the elastic rope away from the snare head. The limiting ring is fixedly connected to the end block and is slidably connected to the fixed ring and is located on one side of the fixed ring.

5. A polypectomy and collection device according to claim 4, characterized in that: The auxiliary mechanism also includes a limit frame and a positioning member. The limit frame is fixedly connected to the mounting ring and is slidably connected to the handle and is located on one side of the limit frame. The positioning member is threadedly connected to the limit frame and is slidably connected to the handle and is located on one side of the limit frame.

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