CN118000800A - Hysteromyoma traction instrument under hysteroscope - Google Patents

Abstract

The invention discloses hysteromyoma traction equipment under a hysteroscope, which relates to the field of medical equipment and particularly comprises an imbedding pipe, a grab handle, a binding steel wire and a fixing head, and is characterized in that a clamping block which is fixedly clamped with the grab handle is fixedly arranged at the lower end of the imbedding pipe, a fixing bolt is used for threaded connection at the front end of the grab handle, an installing pipe is arranged at the middle part of the imbedding pipe, the installing pipe is fixed with the tail end of the imbedding pipe through a limiting bolt, and the fixing head is also arranged at the middle part of the imbedding pipe; two movable cavities for supporting rods or placing rods to be installed are respectively arranged in the wall body of the imbedding tube. The invention adopts the mode of fixing the constraint steel wire and the fixing head to the hysteromyoma tissue to be resected, has better fixing effect than using oval forceps, is more convenient to use because the use angle of the constraint steel wire can be adjusted through the supporting rod and the placing rod, and can be adjusted according to the size of the tissue.

Description

Hysteromyoma traction instrument under hysteroscope

Technical Field

The invention relates to the field of medical instruments, in particular to a hysteromyoma traction device under hysteroscopy.

Background

The existing hysteroscopic submucosal hysteromyoma excision operation adopts the following methods: 1. electrotomy under hysteroscopy has the disadvantages of long operation time and easy damage to normal intima tissue around myoma; 2. after hysteroscopic positioning, the oval forceps clamp myoma tissues and pull out of the cervical orifice under B ultrasonic monitoring, and then myoma tissues are resected.

The disadvantage of using oval forceps is that the oval forceps are difficult to clamp tissues, the operation time is still long, and the endometrium is easy to be damaged due to multiple times of in-out and out-of-the-uterus.

Disclosure of Invention

The invention aims to provide a hysteromyoma traction device under a hysteroscope, which aims to solve the problems that in the background technology, the oval forceps are difficult to clamp tissues, the operation time is still long, and the endometrium is easy to be damaged due to multiple times of in-out and in-out of the uterine cavity.

In order to achieve the aim of the invention, the invention adopts the following technical scheme:

The invention provides a hysteromyoma traction device under a hysteroscope, which comprises an imbedding pipe, a grab handle, a constraint steel wire and a fixing head, wherein a clamping block which is fixedly clamped with the grab handle is fixedly arranged at the lower end of the imbedding pipe;

Two movable cavities for supporting rods or placing rods to be installed are respectively formed in the wall body of the imbedding pipe, a yielding cavity for the constraint steel wire to move is formed in the supporting rods, one end of the constraint steel wire is fixedly connected with the front end of the supporting rods, and the other end of the constraint steel wire penetrates through the yielding cavity and the tail end of the supporting rods;

The end of placing the pole is provided with a groove for placing the constraint steel wire, the upper end of the groove is provided with a fixing component, and the fixing component is driven by the driving steel wire.

Preferably, the internally mounted of installation pipe has small-size pen-type electric putter, and small-size pen-type electric putter's flexible end runs through to the side of installation pipe and is fixed with the transfer line through the shaft coupling, and the end fixed mounting of transfer line has the chock plug, the inlay groove that supplies the sealing washer to fix is seted up to the lateral wall of chock plug, and one side and the fixed head fixed connection of chock plug, the even integrated into one piece in middle-end both sides of fixed head has the unhook.

Preferably, the support rod and the tail end of the placing rod are fixedly provided with first installation seats, the opposite surfaces of the two first installation seats are provided with second installation seats, the two second installation seats are fixed with the tail end of the placing pipe, a first reset spring is arranged between the first installation seats and the second installation seats, and the two first reset springs are respectively sleeved outside the support rod and the placing rod.

Preferably, the upper and lower both sides of the imbedding pipe are respectively fixed with a case for fixing the first small motor and the second small motor, the front ends of the output shafts of the first small motor and the second small motor are respectively fixed with winding shafts through couplings, and the two winding shafts are respectively fixed with the constraint steel wire or the driving steel wire through positioning bolts.

Preferably, the side parts of the two cases are symmetrically fixed with supporting bars, and the tops of the supporting bars are rotationally connected with first guide wheels for guiding the binding steel wires or the driving steel wires.

Preferably, the cavity that the battery holder was placed has been seted up to the inside of grab handle, and the inside of battery holder is equipped with battery backup, and the battery holder passes through the direction and is connected with the control panel circuit of grab handle lateral part, control panel still is connected with two motor driver and small-size pen-type electric putter circuit respectively through the wire, and two motor driver are all fixed in the inside of quick-witted case and are connected with first small-size motor or second small-size motor circuit through the wire.

Preferably, the fixed subassembly includes one-level loop bar, second level loop bar, mounting, third mount pad and second reset spring, the guiding hole that supplies the guide post to run through has all been seted up to one-level loop bar's both sides, has the second level loop bar in one-level loop bar's lower extreme swing joint, and the inside lower extreme fixed mounting of second level loop bar has the mounting that supplies the drive steel wire to fix.

Preferably, the guide post fixed mounting is in the reservation chamber of placing the pole inside seting up, has offered the groove of stepping down that supplies one-level loop bar to install at the lower extreme of reserving the chamber, and the internally mounted of reservation chamber has the second leading wheel that supplies the drive steel wire front side to guide, the lower extreme of placing pole middle part recess has been seted up the grafting groove that supplies the second loop bar to peg graft, the inside fixed mounting of reserving the chamber has the third mount pad, and contradicts between third mount pad and the second loop bar has the second reset spring, the outside at the drive steel wire is established to the second reset spring cover.

Compared with the prior art, the above technical scheme has the following beneficial effects:

The invention adopts the mode of fixing the constraint steel wire and the fixing head to the hysteromyoma tissue to be resected, which is better than the mode of using oval forceps, and the use angle of the constraint steel wire can be adjusted through the supporting rod and the placing rod, so that the use is more convenient, the constraint steel wire can be adjusted according to the size of the tissue, when the tissue is clamped, the supporting rod and the placing rod are pushed to enable the end of the constraint steel wire, which is separated from the built-in rod, to be close to the resected tissue position, when the sleeve angle is required to be adjusted, the single pushing of the placing rod enables the collar formed by the constraint steel wire to change in angle, after the angle adjustment is finished, the switch of the constraint steel wire is started through the control panel, at the moment, the driving steel wire is rotated and wound by the winding shaft of the second small motor, at the moment, the secondary loop bar is driven to rise by the driving steel wire wound, and when the secondary loop bar and the primary loop bar are contracted back into the reserved cavity, the collar formed by the constraint steel wire is not limited by the fixing component.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.

FIG. 1 is a schematic view of a front view in section of a part structure of the present invention;

FIG. 2 is a schematic view of the structure of the assembled parts of the front side of the insertion tube according to the present invention;

FIG. 3 is a schematic view of the combined parts of the chassis, first miniature motor, motor drive and tie-down wire of the present invention;

FIG. 4 is an enlarged schematic view of the structure of the part A in FIG. 1;

FIG. 5 is an enlarged schematic view of the structure of the part B of FIG. 1;

FIG. 6 is an enlarged schematic view of the structure of the part C in FIG. 2;

FIG. 7 is an enlarged schematic view of the structure of the part D of FIG. 3;

In the figure:

1. Placing into a tube; 2. a grab handle; 3. a clamping block; 4. a fixing bolt; 5. installing a pipe; 6. a limit bolt; 7. a fixed head; 8. a support rod; 9. placing a rod; 10. a movable cavity; 11. binding the steel wire; 12. a relief cavity; 13. driving the steel wire; 14. a small pen-type electric push rod; 15. a transmission rod; 16. a plug head; 17. a seal ring; 18. unhooking prevention; 19. a first mount; 20. a second mounting base; 21. a first return spring; 22. a first small-sized motor; 23. a second small-sized motor; 24. a chassis; 25. a winding shaft; 26. a positioning bolt; 27. a support bar; 28. a first guide wheel; 29. a battery holder; 30. a control panel; 31. a motor driver; 32. a first-stage loop bar; 33. a secondary loop bar; 34. a guide post; 35. a fixing member; 36. reserving a cavity; 37. a second guide wheel; 38. a plug-in groove; 39. a third mount; 40. and a second return spring.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

Referring to fig. 1-7, a hysteromyoma traction device under hysteroscope comprises an imbedding tube 1, a grab handle 2, a binding steel wire 11 and a fixing head 7, wherein a clamping block 3 which is fixedly connected with the grab handle 2 in a clamping way is fixedly arranged at the lower end of the imbedding tube 1, a fixing bolt 4 is connected with the front end of the grab handle 2 in a threaded way, a mounting tube 5 is arranged in the middle of the imbedding tube 1, the mounting tube 5 is fixed with the tail end of the imbedding tube 1 through a limiting bolt 6, and the middle of the imbedding tube 1 is also provided with the fixing head 7;

Two movable cavities 10 for installing the support rods 8 or the placing rods 9 are respectively arranged in the wall bodies of the placing pipes 1, a yielding cavity 12 for the constraint steel wires 11 to move is arranged in each support rod 8, one end of each constraint steel wire 11 is connected with the front end of each support rod 8, and the other end of each constraint steel wire 11 penetrates through the corresponding yielding cavity 12 and the tail end of each support rod 8;

Considering the defects that the oval forceps are difficult to clamp tissues at present, the operation time is still long, and the defects that the endometrium is easy to damage due to multiple times of in and out of the uterine cavity are overcome, the end of the placing rod 9 is provided with a groove for placing the constraint steel wire 11, the upper end of the groove is provided with a fixing component, and the fixing component is driven by the driving steel wire 13, the invention adopts the mode of fixing the constraint steel wire 11 and the fixing head 7 for hysteromyoma tissues needing to be resected, compared with the mode of using oval forceps, the invention has better fixing effect, and the use angle of the constraint steel wire 11 can be adjusted through the supporting rod 8 and the placing rod 9, so the use is more convenient, the constraint steel wire 11 can be adjusted according to the size of the tissues, when the tissues are clamped, the end of the constraint steel wire 11 separated from the placing rod is close to the resected tissues by pushing the supporting rod 8 and the placing rod 9, when the angle of the sleeve is required to be adjusted, the single pushing placing rod 9 is pushed to enable the collar formed by the constraint steel wire 11 to generate angle change, after the angle adjustment is finished, the control panel 30 is used for starting the switch of the constraint steel wire 11, at the moment, the driving steel wire 13 is rotated and wound by the winding shaft 25 of the second small motor 23, at the moment, the secondary sleeve rod 33 is driven to rise by the wound driving steel wire 13, when the secondary sleeve rod 33 and the primary sleeve rod 32 are retracted into the reserved cavity 36, the collar formed by the constraint steel wire 11 is not limited by the fixing component any more, then the switch of the first small motor 22 is started, the first small motor 22 is used for winding the constraint steel wire 11 by the winding shaft 25, the cut tissue is fixed when the winding is finished, the strut 8 is loosened after the fixing is finished, at the moment, the tissue is pulled into the port of the insertion tube 1 by the reset of the first reset spring 21, the switch of the small pen-type electric push rod 14 can be started later, at this time, the telescopic end of the pen-type electric push rod drives the transmission rod 15 to push the plug 16 to move forward, so that the fixing head 7 is inserted into the resected tissue to complete secondary fixation, then the resected tissue is straightened by moving the imbedding tube 1, the process provides a visual field through a hysteroscope, and after the resecting process is completed by using the resecting equipment, the resected tissue is directly taken out through the visual field in the withdraw.

Referring to fig. 1,2 and 5, a small pen-type electric push rod 14 is installed in the installation tube 5, a telescopic end of the small pen-type electric push rod 14 penetrates through a side end of the installation tube 5 and is fixed with a transmission rod 15 through a coupler, a plug 16 is fixedly installed at an end of the transmission rod 15, an embedding groove for fixing a sealing ring 17 is formed in an outer side wall of the plug 16, one side of the plug 16 is fixedly connected with a fixing head 7, an anti-falling hook 18 is integrally formed on two sides of the middle end of the fixing head 7, and the sealing effect is achieved on the middle of the insertion tube 1 by arranging the plug 16 to be matched with the sealing ring 17, so that body fluid of a patient is exposed through the middle of the insertion tube 1 in an operation process, and operation of medical staff is prevented.

Referring to fig. 1 and 4, the outer parts of the tail ends of the supporting rod 8 and the placing rod 9 are fixedly provided with first mounting seats 19, the opposite surfaces of the two first mounting seats 19 are provided with second mounting seats 20, the two second mounting seats 20 are fixed with the tail ends of the placing tube 1, a first reset spring 21 is arranged between the first mounting seats 19 and the second mounting seats 20, the two first reset springs 21 are respectively sleeved outside the supporting rod 8 and the placing rod 9, and the first mounting seats 19 are reset through the first reset springs 21.

Referring to fig. 1 and 3, the upper and lower sides of the insertion tube 1 are respectively fixed with a case 24 for fixing a first small motor 22 and a second small motor 23, the front ends of output shafts of the first small motor 22 and the second small motor 23 are respectively fixed with winding shafts 25 through couplings, and the two winding shafts 25 are respectively fixed with the binding steel wire 11 or the driving steel wire 13 through positioning bolts 26, and the first small motor 22 and the second small motor 23 are respectively arranged to wind or unwind the binding steel wire 11 for sleeving tissues and the driving steel wire 13 for driving the fixing assembly to stretch.

Referring to fig. 1 and 3, support bars 27 are symmetrically fixed on the sides of two chassis 24, and first guide wheels 28 for guiding the binding steel wires 11 or the driving steel wires 13 are rotatably connected to the tops of the support bars 27, so that the binding steel wires 11 and the driving steel wires 13 during winding are guided by the guide wheels.

Referring to fig. 1, a cavity for placing a battery holder 29 is formed in the handle 2, a standby battery is arranged in the battery holder 29, the battery holder 29 is connected with a control panel 30 at the side of the handle 2 through a guide, the control panel 30 is further connected with two motor drivers 31 and a small pen-type electric push rod 14 through wires, the two motor drivers 31 are fixed in the case 24 and are connected with the first small motor 22 or the second small motor 23 through wires, and the standby battery is arranged to enable the device to be normally used in the face of unexpected power failure.

Referring to fig. 1 and 6, the fixing assembly includes a primary loop bar 32, a secondary loop bar 33, a fixing member 35, a third mounting seat 39 and a second return spring 40, guide holes for the guide posts 34 to penetrate are formed on two sides of the primary loop bar 32, the secondary loop bar 33 is movably connected to the lower end of the primary loop bar 32, the fixing member 35 for fixing the driving steel wire 13 is fixedly mounted at the lower end of the interior of the secondary loop bar 33, the third mounting seat 39 is fixedly mounted on the front side of the driving steel wire 13, the fixing assembly is arranged to fix one end of the loop structure formed by the constraint steel wire 11, when the primary loop bar 32 and the secondary loop bar 33 are stretched by the second return spring 40, the loop structure is limited, so that the loop structure is located in the middle of the groove, and when the primary loop bar and the secondary loop bar 33 are retracted into the reserved cavity 36 through the driving steel wire 13, the loop is not constrained by the fixing assembly.

Referring to fig. 1 and 6, the guide post 34 is fixedly installed in a reserved cavity 36 formed in the placement rod 9, a yielding groove for installing the primary loop bar 32 is formed in the lower end of the reserved cavity 36, a second guide wheel 37 for guiding the front side of the driving steel wire 13 is installed in the reserved cavity 36, a plugging groove 38 for plugging the secondary loop bar 33 is formed in the lower end of a groove in the middle of the placement rod 9, a third installation seat 39 is fixedly installed in the reserved cavity 36, a second reset spring 40 is abutted between the third installation seat 39 and the secondary loop bar 33, the second reset spring 40 is sleeved outside the driving steel wire 13, the front side of the driving steel wire 13 located in the reserved cavity 36 is guided by the second guide wheel 37, and scraping between the driving steel wire 13 and the reserved groove is reduced.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The hysteromyoma traction instrument comprises an imbedding pipe (1), a grab handle (2), a binding steel wire (11) and a fixing head (7), and is characterized in that a clamping block (3) which is fixedly connected with the grab handle (2) in a clamping manner is fixedly arranged at the lower end of the imbedding pipe (1), a fixing bolt (4) is connected with the front end of the grab handle (2) in a threaded manner, an installing pipe (5) is arranged in the middle of the imbedding pipe (1), the installing pipe (5) is fixed with the tail end of the imbedding pipe (1) through a limiting bolt (6), and the fixing head (7) is further arranged in the middle of the imbedding pipe (1);

two movable cavities (10) for installing the supporting rods (8) or the placing rods (9) are respectively arranged in the wall body of the imbedding tube (1), a yielding cavity (12) for enabling the constraint steel wires (11) to move is arranged in the supporting rods (8), one ends of the constraint steel wires (11) are fixedly connected with the front ends of the supporting rods (8), and the other ends of the constraint steel wires (11) penetrate through the yielding cavity (12) and the tail ends of the supporting rods (8);

The end of the placing rod (9) is provided with a groove for placing the constraint steel wire (11), the upper end of the groove is provided with a fixing component, and the fixing component is driven by a driving steel wire (13).

2. Hysteroscopic hysteromyoma traction device as claimed in claim 1, characterized in that: the utility model discloses a miniature pen type electric putter, including installation pipe (5), small-size pen type electric putter (14), the flexible end of small-size pen type electric putter (14) runs through to the side of installation pipe (5) and is fixed with transfer line (15) through the shaft coupling, and the end fixed mounting of transfer line (15) has plug (16), inlay groove that supplies sealing washer (17) to fix is seted up to the lateral wall of plug (16), and one side and fixed head (7) fixed connection of plug (16), the equal integrated into one piece in middle-end both sides of fixed head (7) has anticreep hook (18).

3. Hysteroscopic hysteromyoma traction device as claimed in claim 1, characterized in that: the novel support rod is characterized in that first installation seats (19) are fixedly installed outside the tail ends of the support rods (8) and the placing rods (9), second installation seats (20) are arranged on opposite surfaces of the two first installation seats (19), the two second installation seats (20) are fixed with the tail ends of the placing pipes (1), first reset springs (21) are installed between the first installation seats (19) and the second installation seats (20), and the two first reset springs (21) are respectively sleeved outside the support rods (8) and the placing rods (9).

4. Hysteroscopic hysteromyoma traction device as claimed in claim 1, characterized in that: the upper side and the lower side of the imbedding tube (1) are respectively fixed with a case (24) for fixing a first small motor (22) and a second small motor (23), the front ends of output shafts of the first small motor (22) and the second small motor (23) are respectively fixed with a winding shaft (25) through a coupler, and the two winding shafts (25) are respectively fixed with a constraint steel wire (11) or a driving steel wire (13) through a positioning bolt (26).

5. Hysteroscopic hysteromyoma traction device as claimed in claim 4, characterized in that: support bars (27) are symmetrically fixed on the side parts of the two cases (24), and first guide wheels (28) used for guiding the constraint steel wires (11) or the driving steel wires (13) are rotationally connected to the tops of the support bars (27).

6. Hysteroscopic hysteromyoma traction device as claimed in claim 1, characterized in that: the battery holder (29) is arranged in the grab handle (2), the standby battery is arranged in the battery holder (29), the battery holder (29) is connected with a control panel (30) at the side part of the grab handle (2) through a guide circuit, the control panel (30) is further connected with two motor drivers (31) and a small pen-type electric push rod (14) through wires respectively, and the two motor drivers (31) are fixed in the case (24) and are connected with a first small motor (22) or a second small motor (23) through wires.

7. Hysteroscopic hysteromyoma traction device as claimed in claim 1, characterized in that: the fixing assembly comprises a primary loop bar (32), a secondary loop bar (33), fixing pieces (35), a third mounting seat (39) and a second reset spring (40), guide holes for the guide posts (34) to penetrate are formed in two sides of the primary loop bar (32), the secondary loop bar (33) is movably connected to the lower end of the primary loop bar (32), and the fixing pieces (35) for fixing the driving steel wires (13) are fixedly arranged at the lower ends of the inner parts of the secondary loop bar (33).

8. Hysteroscopic hysteromyoma traction device as claimed in claim 7, characterized in that: guide post (34) fixed mounting is in reserving chamber (36) of placing pole (9) inside seting up, sets up the groove of stepping down that supplies one-level loop bar (32) to install at the lower extreme of reserving chamber (36), and the internally mounted of reserving chamber (36) has second leading wheel (37) that supply driving wire (13) front side to guide, the lower extreme of placing pole (9) middle part recess has been seted up and has been supplied grafting groove (38) that second loop bar (33) were pegged graft, the inside fixed mounting of reserving chamber (36) has third mount pad (39), and contradicts between third mount pad (39) and second loop bar (33) has second reset spring (40), the outside at driving wire (13) is established to second reset spring (40) cover.