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CN-122004962-A - Knot pushing device for hysteroscope

CN122004962ACN 122004962 ACN122004962 ACN 122004962ACN-122004962-A

Abstract

The invention relates to a knot pusher for hysteroscope, which belongs to the technical field of knot pusher, and aims to solve the problems that the knot pusher has higher use cost, the surgical wire is easy to be cut off completely, and the blade is required to be detached manually, and potential safety hazard exists, a pressing rod is inserted in the inner cavity of a knot pushing tube, a T-shaped round rod is fixedly arranged in the middle part of the front end of the pressing rod, a connecting sliding block is slidably arranged at the periphery of the front end surface of the T-shaped round rod, the blade is inserted on the connecting sliding block, the middle part of the front end of the T-shaped round rod is elastically and slidably provided with a reset rod, the inner cavity of the front end of the knot pushing tube is fixedly provided with a blocking block, the knot pushing tube is arranged in a split type with the pressing rod, the T-shaped round rod, the connecting sliding block and the reset rod, therefore, the surgical thread cutting device can be repeatedly used, the use cost of the knot pusher is saved, and the blade can be driven to move to one side through the limit of the inclined sliding groove by the connecting sliding block, so that the surgical thread is cut in a sliding manner, and the surgical thread is cut off more easily.

Inventors

  • ZHANG AIQIAN
  • WANG HUA

Assignees

  • 中南大学湘雅三医院

Dates

Publication Date
20260512
Application Date
20260319

Claims (10)

  1. 1. The utility model provides a hysteroscope is with pushing away knot ware, includes pushing away knot pipe (1) and fixed mounting in the round platform sleeve (2) that pushes away knot pipe (1) front end department, pushes away knot pipe (1) tail end department fixed sleeve has connected anti-skidding gum cover (3), fixed mounting has ring (50) in pushing away the front end inner chamber of knot pipe (1), is provided with side window (20) and entrance hole (30) on pushing away the front end outer wall of knot pipe (1) respectively, wherein peg graft in pushing away the inner chamber of knot pipe (1) have press pole (4), and press the front end middle part department fixed mounting of pole (4) have T type round bar (6), and the front end surface periphery department slidable mounting of T type round bar (6) has connecting slider (7), and connect to peg graft on slider (7) have blade (8), elastic sliding mounting has reset lever (9) in the front end middle part department of T type round bar (6), and slidable mounting has on the tail end outer peripheral outer wall of T type round bar (6) and holds up board (10), pushes away knot pipe (1) inner chamber (40) and pushes away in the fixed hemisphere of knot pipe (5).
  2. 2. The knot pusher for hysteroscopes, as defined in claim 1, is characterized in that a limiting bump (41) is fixedly arranged on the outer wall of the middle part of the periphery of the pressing rod (4), and a bi-pass chute (11) is arranged on the inner wall of the inner cavity of the tail end of the knot pushing tube (1).
  3. 3. The knot pusher for hysteroscopes according to claim 1, wherein the blocking block (5) is provided with a through chute (51).
  4. 4. The knot pusher for hysteroscopes of claim 1, wherein an elastic sliding groove (61) is formed in the middle surface of the front end portion of the T-shaped round rod (6), a T-shaped sliding groove (62) is formed in the outer peripheral tail end portion of the T-shaped round rod (6), a transverse sliding groove (63) is formed in the outer peripheral surface of the front end portion of the T-shaped round rod (6), arc-shaped sliding grooves (64) are formed in the top surface and the bottom surface of an inner cavity of the transverse sliding groove (63), a penetrating pushing hole (65) is formed in the inner wall of the tail end of the inner cavity of the transverse sliding groove (63), and a communicating inner hole (66) is formed in the bottom surface of the front end of the inner cavity of the transverse sliding groove (63).
  5. 5. The knot pusher for hysteroscopes of claim 4, wherein the connecting slider (7) comprises a slider body (71) and a pair of balls (72) respectively arranged on the top surface and the bottom surface of the slider body (71), the balls (72) are respectively arranged in the arc-shaped sliding grooves (64) in a rolling manner, a driving sliding rod (73) is fixedly arranged in the middle of the bottom surface of the front end of the slider body (71), and the driving sliding rod (73) is arranged penetrating through the communication inner hole (66).
  6. 6. The knot pusher for hysteroscopes of claim 5, wherein a knife inserting groove (711) is formed in the upper end of the middle of the slider body (71), an inner bottom groove (712) is formed in the bottom surface of the inner cavity of the knife inserting groove (711), a clamping block (714) is elastically and slidably arranged at the opening of the inner cavity of the inner bottom groove (712) through a connecting spring (713), the front end of the top of the clamping block (714) is arranged in an inclined surface, a pushing hole (715) is formed in the upper end of the middle of the tail end of the slider body (71), and the pushing hole (715) is communicated with the knife inserting groove (711).
  7. 7. The knot pusher for hysteroscopes of claim 5, wherein the reset lever (9) comprises a lever body (91) and a reset spring (92) connected to the tail of the lever body (91), and the lever body (91) is elastically and slidably inserted into the elastic sliding groove (61) through the reset spring (92).
  8. 8. The knot pusher for hysteroscopes of claim 7, wherein a linear chute (911) and an inclined chute (912) are arranged on the top surface of the rod body (91), the inclined chute (912) is arranged at the front end of the linear chute (911), the linear chute (911) is communicated with the inclined chute (912), and the lower end of the driving sliding rod (73) is arranged in the linear chute (911) in a sliding insertion manner.
  9. 9. The knot pusher for hysteroscopes according to claim 1, wherein the retaining plate (10) comprises a connecting lug (101) and a retaining plate main body (102) fixedly mounted on the outer wall of the front end of the connecting lug (101), and a T-shaped sliding block (103) is fixedly mounted on the bottom surface of the connecting lug (101).
  10. 10. The hysteroscope knot pusher according to claim 9, wherein the T-shaped sliding block (103) is slidably arranged in the T-shaped sliding groove (62), and the front end part of the retaining plate main body (102) is slidably inserted into the pushing hole (715).

Description

Knot pushing device for hysteroscope Technical Field The invention relates to the technical field of knot pushers, in particular to a knot pusher for a hysteroscope. Background In hysteroscopy operation, it is often necessary to suture and knot tissue in the body, and a knot pusher is a key instrument for pushing knots tied in the body to the knotting position in the body. The existing knot pushing device is of an integral structure, is generally abandoned integrally after being used, is high in cost, meanwhile, the knot pushing device can realize extrusion type cutting by utilizing a blade to match with a circular ring when cutting a surgical line, the operation mode is easy to occur that the surgical line is not completely cut off, meanwhile, the operation mode needs to be used for extruding repeatedly to cut off, the operation is quite inconvenient, the blade is required to be detached manually, medical staff is scratched easily in the operation and treatment processes, and potential safety hazards exist. Aiming at the problems, a knot pusher for hysteroscopes is provided. Disclosure of Invention The invention aims to provide a knot pusher for hysteroscopes, which adopts the knot pusher to work, so that the problems that the knot pusher in the background is high in use cost, meanwhile, an operation line is easily not completely cut off, a blade is required to be manually detached, and potential safety hazards exist are solved. The hysteroscope knot pusher comprises a knot pushing tube and a round table type sleeve fixedly arranged at the front end of the knot pushing tube, an anti-slip rubber sleeve is fixedly sleeved at the tail end of the knot pushing tube, a circular ring is fixedly arranged in an inner cavity of the front end of the knot pushing tube, a side penetrating window and a wire inlet hole are respectively arranged on the outer wall of the front end of the knot pushing tube, a pressing rod is inserted into the inner cavity of the knot pushing tube, a T-shaped round rod is fixedly arranged at the middle part of the front end of the pressing rod, a connecting sliding block is slidably arranged at the outer periphery of the front end surface of the T-shaped round rod, a blade is inserted onto the connecting sliding block, a reset rod is elastically slidably arranged at the middle part of the front end of the T-shaped round rod, a retaining plate is slidably arranged on the outer peripheral wall of the tail end of the T-shaped round rod, a hemispherical bulge is arranged on the inner cavity inner wall of the knot pushing tube, and a blocking block is fixedly arranged in the inner cavity of the front end of the knot pushing tube. Further, a limiting bump is fixedly arranged on the outer wall of the middle part of the periphery of the pressing rod, and a double-pass chute is arranged on the inner wall of the inner cavity of the tail end of the pushing and knotting pipe. Further, a through chute is arranged on the blocking piece. Further, an elastic chute is arranged on the surface of the middle part of the front end part of the T-shaped round rod, a T-shaped chute is arranged at the tail end of the periphery of the T-shaped round rod, a transverse chute is arranged on the outer wall of the outer peripheral surface of the front end part of the T-shaped round rod, arc-shaped chutes are respectively arranged on the top surface and the bottom surface of an inner cavity of the transverse chute, a penetrating push hole is arranged on the inner wall of the tail end of the inner cavity of the transverse chute, and a communicating inner hole is arranged on the bottom surface of the front end of the inner cavity of the transverse chute. Further, the connecting slide block comprises a slide block main body and a pair of balls respectively arranged on the top surface and the bottom surface of the slide block main body, the balls are respectively arranged in the arc-shaped sliding grooves in a rolling mode, a driving slide rod is fixedly arranged in the middle of the bottom surface of the front end of the slide block main body, and the driving slide rod is arranged in a penetrating communication inner hole. Further, the upper end department in the middle part of slider main part is provided with the slotting tool groove, and is provided with interior kerve on the inner chamber bottom surface in slotting tool groove, and the inner chamber opening part in interior kerve has the clamp block through connecting spring elastic sliding installation, and the front end department at clamp block top is the inclined plane setting, and the middle part upper end department of slider main part tail end is provided with pushes away the hole, and pushes away the hole and be the intercommunication setting with the slotting tool groove. Further, the reset rod comprises a rod body and a reset spring connected to the tail of the rod body, and the rod body is elastically and slidably inserted into the elastic sliding groove throug