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CN-121971145-A - Auxiliary traction forceps for digestive endoscopes

CN121971145ACN 121971145 ACN121971145 ACN 121971145ACN-121971145-A

Abstract

The invention discloses auxiliary traction pliers for a digestive endoscope, which comprise a pipe fitting, a pressure regulating component, an elastic bag and a traction fiber line, wherein a handle is fixedly arranged at the head end of the pipe fitting, a movable joint is detachably arranged at the outer side of the tail end of the pipe fitting, a pliers head is hinged at the outer edge position of the movable joint, the pressure regulating component is arranged on the handle and used for controlling hydraulic pressure of oil in a flow guide pipe, a connecting pipe, the movable joint and a propelling head, the elastic bag is fixed at the middle part of the outer side of the movable joint, the suction pipe fitting is fixed at the outer edge of the elastic bag, the traction fiber line is fixed between the suction pipe fitting and the pliers head, and the movable joint and the pipe fitting are further provided with a limit and negative pressure component of the suction pipe fitting and the elastic bag. This auxiliary traction forceps for digestive endoscopy can peel off the specific position of operation and pathological change state difference in the art, carries out the adaptability of clamping part and changes, makes its centre gripping operation more steady, and when firm traction clamping efficiency, the adaptability reduces the side effect influence of mucous membrane simultaneously.

Inventors

  • WANG LIANG
  • SHEN YAN
  • WANG HUI
  • WU HONGXIA

Assignees

  • 沧州市中心医院

Dates

Publication Date
20260505
Application Date
20240328

Claims (10)

  1. 1. An auxiliary pulling clamp for a digestive endoscope, comprising: The pipe fitting (1) is fixedly provided with a handle (2) at the head end, the outer side of the tail end of the pipe fitting (1) is detachably provided with a movable joint (3), the edge position of the outer side of the movable joint (3) is hinged with a clamp head (4), the movable joint (3) is also provided with a pushing head (5) for rotating and regulating the clamp head (4), the inner side of the tail end of the pipe fitting (1) is fixedly provided with a connecting pipe (6), and the connecting pipe (6) is communicated with a guide pipe (7) fixed in the pipe fitting (1); Characterized by further comprising: the pressure regulating assembly is arranged on the handle (2) and used for controlling the hydraulic pressure of oil in the guide pipe (7), the connecting pipe (6), the movable joint (3) and the propelling head (5); Elastic bag (8) is fixed in the outside middle part of movable joint (3), and the outside edge of elastic bag (8) is fixed with straw spare (9), is fixed with between straw spare (9) and binding clip (4) simultaneously and pulls fiber line (11), and movable joint (3) and pipe fitting (1) still are provided with spacing and the negative pressure component of straw spare (9) and elastic bag (8), utilize load pressure to realize the removal and the absorption location of straw spare (9).
  2. 2. The auxiliary traction forceps for the digestive endoscope according to claim 1, wherein the joint of the movable joint (3) and the pipe fitting (1) is mutually matched, the movable joint (3) and the connecting pipe (6) are of a threaded connection disassembly and installation structure with the inside communicated, and the movable joint (3) and the pushing head (5) are communicated with each other.
  3. 3. The auxiliary traction forceps for the digestive endoscope according to claim 1 or 2, wherein the propelling heads (5) are in one-to-one correspondence with the forceps heads (4), damping rubber layers are sleeved on the contact outer walls of the propelling heads (5) and the forceps heads (4), the damping rubber layers and the rotation installation end parts of the forceps heads (4) are arranged in a damping extrusion mode, and the through connection ends of the propelling heads (5) and the movable joints (3) are replaced by elastic corrugated pipes.
  4. 4. The auxiliary traction forceps for the digestive endoscope of claim 3, wherein the outer wall of the connection side of the propelling head (5) and the movable joint (3) is smooth, the movable joint (3) and the outer wall of the smooth side of the propelling head (5) are in fit sliding connection, and the movable joint (3) and the propelling head are in weak magnetic adsorption connection.
  5. 5. The auxiliary traction forceps for the digestive endoscopes according to claim 1, wherein a positioning core (10) is further fixed in the middle of the outer side of the movable joint (3), the cross section of the positioning core (10) is of a regular polygon structure, and the number of sides of the positioning core (10) is equal to the number of the suction pipe fitting (9) and the number of the traction fiber lines (11) in a one-to-one correspondence mode.
  6. 6. The auxiliary traction forceps for the digestive endoscope of claim 5, wherein elastic wire positioning is arranged between the positioning core (10) and the outer wall of the suction pipe piece (9), soft magnets are arranged on the opposite sides of the suction pipe piece (9) and the positioning core (10), and the suction pipe piece (9) and the positioning core (10) are in weak magnetic adsorption connection.
  7. 7. The auxiliary traction forceps for the digestive endoscope according to claim 1, wherein the limiting and negative pressure component comprises a movable transverse tube (12) which is movably installed in a penetrating manner in the middle of the movable joint (3), a sealing ring is arranged at the penetrating position of the limiting and negative pressure component and the movable transverse tube, the right end of the movable transverse tube (12) is fixed in the middle of a hard layer of the elastic bag (8), and the right end of the movable transverse tube (12) is hollowed out; The limiting and negative pressure component further comprises a pulling pipe (13) penetrating through the middle of the connecting pipe (6), a sealing ring is arranged at the penetrating position of the limiting and negative pressure component and is connected with the movable transverse pipe (12) through a threaded sleeve, the pulling pipe (13), the movable transverse pipe (12) and the elastic bag (8) are sequentially penetrated through the inside of the suction pipe (9), and the head end of the pulling pipe (13) is arranged on the handle (2) on the outer side of the pipe (1).
  8. 8. The auxiliary traction forceps for the digestive endoscope of claim 7, wherein an elastic piece is further fixed at the penetrating installation position of the pulling pipe (13) and the connecting pipe (6), the penetrating position of the pulling pipe (13) and the connecting pipe (6) is made of a hard pipeline material, the middle section of the pulling pipe (13) is made of the same material as the pipe fitting (1), the head end of the pulling pipe (13) is made of a rubber material, and a stably supported silk-armor protection layer is arranged inside the pipeline at the head end, so that deformation and compression of the head end of the pulling pipe (13) are prevented.
  9. 9. The auxiliary traction forceps for the digestive endoscope according to claim 8, wherein a positioning ring buckle (14) is further fixed in the pipe fitting (1) and used for supporting and positioning the pulling pipe (13) and the pipe fitting (1), and the pulling pipe (13) is in penetrating sliding connection with the positioning ring buckle (14); The outside of handle (2) and the head end of pulling pipe (13) are run through swing joint, and the head end cover of pulling pipe (13) is equipped with damping gum cover (15), and the outside movable mounting of handle (2) has damping runner (16), and damping runner (16) and damping gum cover (15) damping extrusion are used for pulling pipe (13) removal regulation to damping runner (16) are by motor drive, and the head end afterbody of pulling pipe (13) is connected with pump body (17) simultaneously.
  10. 10. The auxiliary traction forceps for the digestive endoscope of claim 1, wherein the pressure regulating assembly comprises a communication ring (701) fixed in the middle of the handle (2), the communication ring (701) is communicated with the inside of the guide pipe (7), a hydraulic propelling piece (702) is further fixed on the outer wall of the handle (2), the hydraulic propelling piece (702) is used for controlling the inside of the communication ring (701) in a hydraulic mode, and oil is arranged in the communication ring (701), the guide pipe (7), the connecting pipe (6), the movable joint (3) and the propelling head (5).

Description

Auxiliary traction forceps for digestive endoscopes Technical Field The invention relates to the technical field of traction forceps, in particular to an auxiliary traction forceps for a digestive endoscope. Background In the treatment of digestive tract submucosa tumor and early cancer, a submucosa stripping operation under a digestive endoscope is generally adopted for technical treatment, a biopsy channel is arranged at the affected part of a patient during the surgical operation of submucosa stripping on the internal lesion position of the digestive tract, and the surgical operation is carried out through the biopsy channel, matched auxiliary equipment and therapeutic equipment, such as matched electrotome facilities for submucosa stripping and matched traction pliers for grabbing and positioning the lesion position, so that the submucosa position in the operation is conveniently stripped; The sheath tube can be flexibly bent, the adaptability is better, the operation of the grasping forceps and the shearing forceps can be simultaneously controlled through both hands, the grasping forceps are convenient to grasp and position pathological tissues, the pathological change positions can be sheared by being matched with the shearing forceps, the shearing is more accurate, the LED lamp can illuminate the operation positions, the addition of other auxiliary equipment is reduced, and the operation is more convenient; the auxiliary traction forceps for the digestive endoscope disclosed in the Chinese patent No. CN114795394A are used for traction of the digestive endoscope, flexible rotation of the valve can be driven by the traction positioning ring so as to facilitate better traction of the clamping position and stripping of a lesion part or exposing of a stripping space, touch injury to a patient can be reduced through a flexible air bag layer structure, and medicine feeding can be carried out on the lesion position through cooperation of the medicine feeding component and the medicine discharging component; When the multifunctional medical device is used, due to the difference of the areas and the sizes of lesion positions of different patients, good grabbing and limiting of lesion parts cannot be performed adaptively, meanwhile, loosening and falling occur easily when grabbing and positioning of the lesion parts, and the multifunctional medical device is single in use, is easily blocked by mucous membranes of malignant lesion parts, and affects stripping operation in operation. Aiming at the problems, innovative design is urgently needed on the basis of the original auxiliary traction forceps for the digestive endoscopes. Disclosure of Invention The invention aims to provide an auxiliary traction forceps for a digestive endoscope, which aims to solve the problems that the conventional auxiliary traction forceps for the digestive endoscope cannot adaptively grasp and limit a lesion part, is easy to loose and drop during grasping and positioning of the lesion part and is easy to be influenced by blocking of a mucous membrane of a malignant disease part. In order to achieve the purpose, the invention provides the following technical scheme that the auxiliary traction forceps for the digestive endoscope comprise: the pipe fitting is fixedly provided with a handle at the head end, a movable joint is detachably arranged at the outer side of the tail end of the pipe fitting, a clamp head is hinged at the edge position of the outer side of the movable joint, and a propelling head for rotating and regulating the clamp head is also arranged on the movable joint; the pressure regulating assembly is arranged on the handle and used for controlling the hydraulic pressure of the oil liquid in the guide pipe, the connecting pipe, the movable joint and the propelling head; The elastic bag is fixed in the middle of the outer side of the movable joint, the outer side edge of the elastic bag is fixed with a suction pipe fitting, a traction fiber line is fixed between the suction pipe fitting and the clamp head, the movable joint and the pipe fitting are further provided with limiting and negative pressure components of the suction pipe fitting and the elastic bag, and the movement and the adsorption positioning of the suction pipe fitting are realized by utilizing load pressure. Preferably, the joints of the movable joint and the pipe fitting are mutually matched, the movable joint and the connecting pipe are of a threaded connection and disassembly mounting structure with the inside communicated, and the movable joint and the pushing head are communicated with each other. Preferably, the propelling heads are in one-to-one correspondence with the binding clip, the damping rubber layer is sleeved on the contact outer wall of the propelling heads and the binding clip, the damping rubber layer and the rotation installation end part of the binding clip are arranged in a damping extrusion mode, and the through connection end of the