CN117442326A

CN117442326A - Electric cutting mirror

Info

Publication number: CN117442326A
Application number: CN202311645086.9A
Authority: CN
Inventors: 徐志明; 徐小明; 向开洪; 郎军飞; 王圣; 徐展
Original assignee: Tonglu Youshi Medical Instrument Co ltd
Current assignee: Tonglu Youshi Medical Instrument Co ltd
Priority date: 2023-12-04
Filing date: 2023-12-04
Publication date: 2024-01-26

Abstract

The utility model relates to an electric cutting mirror, which relates to the technical field of medical appliances, and comprises an endoscope, an electric cutting ring, a sheath and an operator, wherein the endoscope and the electric cutting ring can be arranged in the sheath and are arranged on the operator, and a sealing component is arranged at the joint of the operator and the electric cutting ring; the sealing assembly comprises an electric cutting seat and a sealing sleeve, a first avoidance hole and a second avoidance hole with the pore diameters increased in sequence are formed in the electric cutting seat, the sealing sleeve is arranged in the second avoidance hole, and the sealing sleeve can be used for enabling the electric cutting ring to penetrate through and seal the peripheral area of the contact part of the electric cutting ring. The utility model provides a seal through the seal sleeve to prevent when the relative seal sleeve of electric cutting ring removes, seal sleeve takes place to roll or shrink the possibility of deformation, have the sealing performance effect of improvement electric cutting mirror.

Description

Electric cutting mirror

Technical Field

The application relates to the technical field of medical equipment, in particular to an electric cutting mirror.

Background

The electrotome is a common instrument for electrosurgery, can be used together with an electrode, and is widely used for the electrotome minimally invasive treatment operation in urology surgery, such as diseases of prostatic hyperplasia, bladder tumor, hysteromyoma, endometrial polyp and the like.

In the operation process, normal saline needs to be injected into the assembly, the sealing performance of the assembly is extremely strict, once the sealing effect of the sealing structure of the assembly is poor, the normal saline in the assembly can seep out through gaps, so that the structure outside the electric cutting mirror is polluted, the cleaning difficulty of the electric cutting mirror after the operation is increased, the seeped normal saline can also drip to other positions to cause pollution, the infection risk in the operation process is increased, and the leaked normal saline can easily enter the slider assembly to be used for being connected with the electric cutting ring assembly to contain the cavity, so that the electric connection structure in the containing cavity is corroded.

The electric cutting seat of the traditional electric cutting mirror is provided with a hole into which an electric cutting ring can be inserted, an O-shaped ring is arranged in the hole to seal the electric cutting ring, and the sealing effect is poor.

Disclosure of Invention

The purpose of this application is to provide an electron microscope that sealing performance is better.

In a first aspect, the present application provides an electric cutting mirror, which adopts the following technical scheme:

the electric cutting mirror comprises an endoscope, an electric cutting ring, a sheath and an operator, wherein the endoscope and the electric cutting ring can be arranged in the sheath and mounted on the operator, and a sealing assembly is arranged at the joint of the operator and the electric cutting ring;

the sealing assembly comprises an electric cutting seat and a sealing sleeve, a first avoidance hole and a second avoidance hole with the pore diameters increased in sequence are formed in the electric cutting seat, the sealing sleeve is arranged in the second avoidance hole, and the sealing sleeve can be used for the electric cutting ring to penetrate through and seal the peripheral area of the contact part of the electric cutting ring.

Through adopting above-mentioned technical scheme, after the electric cutting ring passes sheath, electric seat of cutting in proper order, electric cutting ring and sealing sleeve sealing connection, because sealing sleeve has certain length, when electric cutting ring slides relative sealing sleeve, can prevent oneself to take place to roll or shrink and warp, compare in traditional O type sealing washer, can seal with electric cutting ring contact's part and peripheral region when electric cutting ring removes relatively, sealing performance is better.

Optionally, a first sealing hole and a second sealing hole which are sequentially communicated are formed in the sealing sleeve, the first sealing hole and the second sealing hole are coaxially arranged, and the first sealing hole is closer to the sheath and has a larger aperture than the second sealing hole.

Through adopting above-mentioned technical scheme, great first sealed hole can make the electric cutting ring stretch into more smoothly in the sealed sleeve, and less first sealed hole then seals the part that electric cutting ring and sealed sleeve contacted, in addition, because the aperture size of first sealed hole and second sealed hole is different, forms the step, when relevant personnel's installation error leads to partial normal saline to get into first sealed hole department, the step face that forms between first sealed hole and the second sealed hole also can be better to it blocking.

Optionally, the second dodges the hole with the coaxial setting of first sealed hole, the aperture that the hole was dodged to the second is less than the aperture of first sealed hole, the first sealed hole with the hookup location between the second sealed hole has the slope that the slope set up.

Through adopting above-mentioned technical scheme, the wall combination in hole, first sealed hole and second sealed hole has formed two step faces, when partial normal saline got into first sealed hole department, by two step faces constraint, prevent normal saline and scurry in sealed sleeve to protect each composition of electrotome mirror, in addition, the setting of slope can play better guide effect, make the electrotome ring can stretch into to second sealed hole department from first sealed hole more smoothly, and make smooth transition between first sealed hole and the second sealed hole through the slope, be favorable to protecting the electrotome ring, prevent the electrotome ring from the possibility that bumps into when stretching into the second sealed hole from first sealed hole.

Optionally, the second dodges downthehole fastening pole that still threaded connection has is used for fastening sealing sleeve, the fastening pole cavity sets up, the terminal surface of fastening pole can with sealing sleeve butt.

Through adopting above-mentioned technical scheme, the fastening rod retrains sealed sleeve, and when fastening rod screw Li Lanjie dodged downthehole in the second, the tip and the sealed sleeve butt of fastening rod to prevent sealed sleeve to take place to remove, guarantee sealed sleeve sealing performance's stability.

Optionally, a plurality of round pins are provided around on the terminal surface of fastening rod, sealing sleeve is close to one side of fastening rod has seted up a plurality of with the spacing hole that the round pin post corresponds, the round pin post can insert in the spacing hole.

Through adopting above-mentioned technical scheme, when fixed seal sleeve, make the round pin post insert in seal sleeve, later put into fastening rod and seal sleeve together and dodge downthehole to the second, when the fastening rod carries out screw thread locking, seal sleeve accompanies the fastening rod and rotates together, accomplish the fastening, and when the electric cutting ring takes place to remove at relative seal sleeve, receive the restraint of round pin post, seal sleeve is difficult to rotate relative electric cutting ring, makes seal sleeve can seal the part and the peripheral region that electric cutting ring contacted better. .

Optionally, a guide hole coaxially arranged with the first avoidance hole is further formed in one side, close to the sheath, of the electrotome seat, the aperture of the guide hole is larger than that of the first avoidance hole, and the hole wall of the guide hole and the hole wall of the first avoidance hole are in smooth transition.

Through adopting above-mentioned technical scheme, when the electric cutting ring stretches into in the electric cutting seat, the guide hole can carry out better guide effect to the electric cutting ring, improves the installation effectiveness when installing the electric cutting ring.

Optionally, the manipulator includes lock sleeve and latch hook, lock sleeve with the latch hook is all overlapped and is established the outer end of sheath and fastening the sheath, have accommodation space just between lock sleeve and the latch hook seal assembly arranges in accommodation space, the inboard of latch hook is provided with keeps off protruding, the outer ring of electric cutting seat is encircleed and is provided with protruding edge, the lateral wall of protruding edge with keep off protruding butt.

Through adopting above-mentioned technical scheme, when the electric cutting seat is installed in the latch hook, protruding edge part and fender protruding part looks butt to prevent the electric cutting seat to take place to rock in the latch hook, reduced when the relative seal assembly of electric cutting ring removes, seal assembly accompanies the electric cutting ring and takes place the possibility of removal, guarantee seal assembly's sealing performance.

Optionally, one side of the latch hook away from the lock sleeve is connected with a handle, the handle comprises a connecting ring and a holding ring which are connected with each other, a limit bump is connected on the inner wall of the connecting ring, and a fixing hole for the limit bump to extend into is correspondingly formed at the outer end of the electric cutting seat.

Through adopting above-mentioned technical scheme, when the handle is connected on the latch hook, spacing lug and spacing hole cooperatees this moment, and when the electricity cut the seat and take place to slide along self axis direction, spacing lug and spacing hole's lateral wall crimping hinder the removal of seat to the electricity and cut, further ensure seal assembly's sealing performance.

Optionally, the manipulator further comprises a connecting sleeve and a sliding block, the connecting sleeve is connected with the electric cutting seat, the electric cutting ring penetrates through the sealing assembly and is connected with the sliding block, and the sliding block is in sliding connection with the connecting sleeve and can push the electric cutting ring to move.

Through adopting above-mentioned technical scheme, when promoting the slider, the electricity that is connected with the slider cuts the ring and also takes place to remove along with the slider relative adapter sleeve, and the electricity cuts the ring and stretches out in the sheath this moment, carries out excision work, the simple operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the utility model provides a be provided with sealed sleeve in this application, after the electric cutting ring passed sheath, electric seat of cutting in proper order, electric cutting ring and sealed sleeve sealing connection, because sealed sleeve has certain length, when electric cutting ring slides relative sealed sleeve, can prevent self to take place to roll or shrink and warp, compare in traditional O type sealing washer, can seal with electric cutting ring contact's part and peripheral region when electric cutting ring removes relatively, sealing performance is better.

2. The hole is dodged to second in this application, the wall combination in hole is dodged to first sealed hole and second sealed hole has formed two step faces, when partial normal saline got into first sealed hole department, by two step faces constraint, prevent normal saline to scurry in sealed sleeve, in order to protect each constituent of electric cutting mirror, in addition, the setting of slope can play better guide effect, make electric cutting ring can more smoothly stretch into second sealed hole department from first sealed hole, and make smooth transition between first sealed hole and the second sealed hole through the slope, be favorable to protecting electric cutting ring, prevent electric cutting ring from the possibility that takes place to collide with when first sealed hole stretches into second sealed hole.

3. Be provided with the fastening rod in this application, the fastening rod retrains sealed sleeve, and when fastening rod screw Li Lanjie dodged downthehole in the second, the tip and the sealed sleeve looks butt of fastening rod to prevent sealed sleeve to take place to remove, guarantee sealed sleeve sealing performance's stability.

Drawings

FIG. 1 is a schematic sectional view of an resectoscope according to embodiment 1 of the present application;

fig. 2 is a schematic perspective view of the resectoscope in embodiment 1 of the present application;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the manipulator of example 1 of the present application;

FIG. 5 is a partially enlarged schematic illustration of portion B of FIG. 4;

fig. 6 is a schematic cross-sectional view of the seal assembly of embodiment 2 of the present application.

In the drawing the view of the figure,

1. an endoscope; 2. an electric cutting ring; 3. a sheath; 31. an inner tube; 32. an outer tube; 33. an endoscope sleeve; 34. an electric cutting ring sleeve;

1. an operator; 41. a locking sleeve; 42. a latch hook; 421. a blocking protrusion; 43. an accommodation space; 44. a grip; 441. a connecting ring; 442. a grip ring; 443. a limit bump; 45. connecting sleeves; 46. a slide block; 461. a receiving hole; 462. a wire inserting column; 463. a pushing handle; 47. a fixing seat; 471. an inner tube seat; 4711. a step hole; 472. an outer tube base; 4721. a connection port; 473. a locking cap; 4731. a spiral arc-shaped groove; 474. an adapter sleeve; 475. a clamping block; 476. a limiting block; 4761. a restraining groove; 477. a color code ring;

5. a seal assembly; 51. an electric cutting seat; 511. a first avoidance hole; 512. a second avoidance hole; 513. a guide hole; 514. a convex edge; 515. a fixing hole; 516. penetrating the hole; 52. a sealing sleeve; 521. a first seal bore; 522. a second seal hole; 523. a ramp; 524. a limiting hole; 53. a fastening rod; 54. a pin; 6. a guide sleeve; 7. and a water-through valve.

Detailed Description

The present application is described in further detail below with reference to fig. 1-6.

Example 1:

an electric cutting mirror, referring to fig. 1 and 2, comprises an endoscope 1, an electric cutting ring 2, a sheath 3 and an operator 4, wherein the endoscope 1 and the electric cutting ring 2 can be placed in the sheath 3 and are arranged on the operator 4, and a sealing component 5 for sealing the peripheral area of the electric cutting ring 2 is arranged at the joint of the operator 4 and the electric cutting ring 2.

Referring to fig. 1 and 3, the sheath 3 includes an outer tube 32 and an inner tube 31, wherein the outer tube 32 is sleeved outside the inner tube 31 and is in clearance fit with the inner tube 31 to form a channel for physiological saline to circulate, and further, a plurality of liquid outlet holes for physiological saline to circulate can be formed on the outer side wall of the end portion of the outer tube 32 in a surrounding manner, so as to improve the fluidity of physiological saline.

Referring to fig. 3 and 4, the manipulator 4 includes a fixing seat 47 for fixing the sheath 3, a locking sleeve 41 and a locking hook 42, the fixing seat 47 and the locking sleeve 41 are fastened by screw threads, the locking hook 42 is connected with the locking sleeve 41, a cavity is arranged between the locking hook 42 and the locking sleeve 41, an accommodating space 43 for accommodating the sealing assembly 5 is formed in combination, and the sealing assembly 5 is placed in the accommodating space 43.

The fixing seat 47 mainly comprises an outer tube seat 472 for fixing the outer tube 32 and an inner tube seat 471 for fixing the inner tube 31, wherein the inner wall of the inner tube seat 471 is provided with a step hole 4711, the inner tube 31 is inserted into the inner tube seat 471 when the inner tube 31 is installed, the outer side wall of the inner tube 31 is abutted with a side wall part with relatively smaller aperture in the step hole 4711, and in addition, an endoscope sleeve 33 for passing the endoscope 1 can be inserted into the inner tube seat 471.

The endoscope sleeve 33 is placed in the inner tube 31 and passes through the inner tube holder 471, and the outer side wall of the endoscope sleeve 33 abuts against the larger side wall portion of the aperture squad in the stepped hole 4711 to form a fixation. In addition, referring to fig. 1 and 2, an electric cutting ring sleeve 34 for restraining the electric cutting ring 2 is further connected in the inner tube 31, the electric cutting ring sleeve 34 is adhered to the endoscope sleeve 33, the length of the electric cutting ring sleeve 34 is shorter than that of the endoscope sleeve 33, the front end of the inner cutting ring is connected with a guide sleeve 6 arranged in an arc shape, and when the inner cutting ring extends into the electric cutting ring sleeve 34, the guide sleeve 6 is matched with the endoscope sleeve 33 to further guide the movement of the inner switching, and it is noted that in the embodiment, the endoscope 1 is not specifically drawn.

Referring to fig. 4, an outer tube seat 472 is sleeved at the outer end of an inner tube seat 471 and is tightly connected with the inner tube seat 471, specifically, the inner tube seat 471 and the outer tube seat 472 are tightly connected through a locking cap 473 and an adapter sleeve 474, the adapter sleeve 474 is sleeved at the rear end portion of the inner tube seat 471 and the outer end thereof protrudes and extends to form a locking block 475, a spiral arc groove 4731 for accommodating the locking block 475 is correspondingly formed at the rear end portion of the locking cap 473, the front end portion of the locking cap 473 is in threaded connection with the outer tube seat 472, namely, the locking cap 473 is tightly connected in a locking manner, and when the locking cap 473 is rotated, the locking block 475 rotates relatively in the spiral arc groove 4731 to complete locking.

Referring to fig. 1, the inner wall of the middle part of the outer tube seat 472 is in clearance fit with the inner wall of the front end part of the inner tube seat 471, in addition, a connection port 4721 is formed on the outer tube seat 472, a water through valve 7 for injecting physiological saline is connected at the connection port 4721 in a threaded manner, and the physiological saline enters the gap between the outer tube seat 472 and the inner tube seat 471 from the connection port 4721, then enters the gap between the outer tube 32 and the inner tube 31, and finally flows out from the liquid outlet.

Referring to fig. 1, two connection ports 4721 are provided on the outer tube seat 472, correspondingly, two water passing valves 7 are also provided, when the physiological saline bag communicated with one water passing valve 7 is about to run out, a new physiological saline bag can be connected to the other water passing valve 7 under the condition that the water passing valve 7 is not closed, so that smooth operation of operation is ensured, and operation efficiency is improved.

Referring to fig. 1 and 3, the inner side of the outer tube seat 472 protrudes and extends to form a limit block 476, the limit block 476 is annularly arranged, a clearance fit is provided between the limit block 476 and the inner tube 31 to ensure the passing of normal saline, a restraining groove 4761 is further formed in the limit block 476, when the outer tube 32 stretches into the outer tube seat 472, the side wall and the end of the outer tube 32 are abutted against the wall surface of the restraining groove 4761, in addition, a color mark ring 477 is further connected to the outer tube seat 472 in a threaded manner, and after the outer tube 32 is inserted into the outer tube seat 472, the color mark ring 477 is rotated to a calibration angle to complete the fastening of the outer tube 32.

Referring to fig. 1 and 4, the seal assembly 5 includes an electric cutting seat 51 and a seal sleeve 52, the electric cutting seat 51 is provided with a first avoiding hole 511 and a second avoiding hole 512 with sequentially increased apertures, the seal sleeve 52 is disposed in the second avoiding hole 512, the electric cutting ring 2 sequentially passes through the first avoiding hole 511 and the seal sleeve 52, in addition, the electric cutting seat 51 is provided with a passing hole 516 through which the endoscope 1 passes, the sleeve of the endoscope 1 extends to the electric cutting seat 51 and is abutted with the outer end of the electric cutting seat 51, the sleeve 33 of the endoscope is coaxially disposed with the passing hole 516, and when the endoscope 1 is installed, the endoscope 1 sequentially passes through the sleeve of the endoscope 1 and the first avoiding hole 511.

Referring to fig. 4 and 5, a guide hole 513 coaxially arranged with the first avoidance hole 511 is further formed in one side of the electric cutting seat 51, which is close to the inner tube 31, the aperture of the guide hole 513 is larger than that of the first avoidance hole 511, the hole wall of the guide hole 513 and the hole wall of the first avoidance hole 511 are in smooth transition, when the electric cutting ring 2 passes through the electric cutting seat 51, the guide hole 513 with larger aperture can enable the electric cutting ring 2 to pass through the electric cutting ring 2 more smoothly, then the electric cutting ring 2 enters the first avoidance hole 511 and finally passes through the sealing sleeve 52, and the sealing sleeve 52 seals the part contacted with the electric cutting ring 2 and the peripheral area.

Referring to fig. 5, a first sealing hole 521 and a second sealing hole 522 are sequentially formed in the sealing sleeve 52, the first sealing hole 521 is closer to the sheath 3, and the aperture is larger than that of the second sealing hole 522, in this embodiment, the outer diameter of the electric cutting ring 2 is between the first sealing hole 521 and the second sealing hole 522, and when the electric cutting ring 2 passes through the second sealing hole 522, the electric cutting ring 2 is in interference fit with the second sealing hole 522, so as to form a better sealing effect.

Referring to fig. 5, a communication position between the first sealing hole 521 and the second sealing hole 522 has a slope 523 disposed obliquely, and the slope 523 is partially disposed around the axial direction of the first sealing hole 521 to smoothly transition between the first sealing hole 521 and the second sealing hole 522, and when a part of physiological saline enters the first sealing hole 521, the slope 523 can partially block the physiological saline to prevent the physiological saline from passing through the second sealing hole 522.

The first avoidance hole 511 and the first sealing hole 521 are coaxially arranged, the aperture of the first avoidance hole 511 is smaller than that of the first sealing hole 521, a wall surface between the first avoidance hole 511 and the first sealing hole 521 is formed to be a step, if physiological saline enters the first avoidance hole 511 due to misoperation of assembling the resectoscope by related personnel, the physiological saline can be guided to the first sealing hole 521, the step part further blocks the physiological saline, the overflowed part of physiological saline is restrained at the step formed between the first avoidance hole 511 and the first sealing hole 521, so that the physiological saline is prevented from flowing in the resectoscope seat 51, after the operation is completed, the resectoscope is disassembled, all components are cleaned, and the overflowed part of physiological saline is discharged.

Referring to fig. 4 and 5, a fastening rod 53 for fastening the sealing sleeve 52 is further screwed in the second avoidance hole 512, the fastening rod 53 is hollow, so that the power supply cutting ring 2 passes through, the end surface of the fastening rod 53 can be abutted against the sealing sleeve 52, and after the sealing sleeve 52 is placed in the second avoidance hole 512, the fastening rod 53 is inserted into the second avoidance hole 512, and then the fastening rod 53 is screwed, so that the fastening rod 53 fixes the sealing sleeve 52.

The latch hook 42 can constrain the electric cutting seat 51, specifically, referring to fig. 4, a blocking protrusion 421 is disposed around the inner portion of the latch hook 42, and a protruding edge 514 is disposed around the outer end of the electric cutting seat 51, when the electric cutting seat 51 is installed in the latch hook 42, a portion of the protruding edge 514 abuts against the blocking protrusion 421 to prevent the electric cutting seat 51 from shaking in the latch hook 42.

Further, a handle 44 is connected to one side of the lock hook 42 far away from the lock sleeve 41, the handle 44 includes a connecting ring 441 and a holding ring 442, a limiting bump 443 is connected to an inner wall of the connecting ring 441, a fixing hole 515 into which the limiting bump 443 extends is correspondingly provided at an outer end of the electric cutting seat 51, and when the handle 44 is connected to the lock hook 42, the handle 44 further limits the electric cutting seat 51 to prevent sliding.

In addition, referring to fig. 1, the manipulator 4 further includes a connecting sleeve 45 and a slider 46, the electric cutting ring 2 passes through the sealing assembly 5 and can be connected with the slider 46, specifically, a containing hole 461 for containing the end of the electric cutting ring 2 is formed in the slider 46, the electric cutting ring 2 is placed in the containing hole 461 after extending into the slider 46, and a plug wire post 462 is further extended from the top end of the slider 46 to be inserted into and electrically connected with the electric cutting ring 2, further, the slider 46 is slidably connected with the connecting sleeve 45 and can push the electric cutting ring 2 to move, in this embodiment, a pushing handle 463 is further connected to the slider 46, and by pushing the pushing handle 463, the slider 46 slides relative to the connecting sleeve 45, and further, the electric cutting ring 2 is driven to extend or retract in the inner tube 31.

The implementation principle of embodiment 1 of the present application is: when the electric cutting ring 2 passes through the electric cutting ring sleeve 34, the electric cutting ring 2 extends into the electric cutting seat 51 from the guide hole 513, the sealing sleeve 52 is arranged in the electric cutting seat 51, when the electric cutting ring 2 passes through the sealing sleeve 52, the electric cutting ring passes through the first sealing hole 521 and the second sealing hole 522 in sequence, the sealing sleeve 52 has a certain length and is fixed in the second avoidance hole 512 through the fastening rod 53, when the electric cutting ring 2 slides relative to the sealing sleeve 52, the sealing sleeve 52 does not deform, a better sealing effect is achieved, in addition, a slope 523 which is obliquely arranged is arranged between the first sealing hole 521 and the second sealing hole 522, and a step is formed between the second avoidance hole 512 and the first sealing hole 521, so that even if part of physiological saline enters the second avoidance hole 512, the space constraint formed by the combination of the second avoidance hole 512, the first sealing hole 521 and the second sealing hole 522 can be prevented from passing through the sealing sleeve 52.

Example 2:

referring to fig. 6, the difference between embodiment 2 and embodiment 1 is that a plurality of pins 54 are circumferentially arranged on the end surface of the fastening rod 53, a plurality of limiting holes 524 corresponding to the pins 54 are formed on the side of the sealing sleeve 52 close to the fastening rod 53, and the pins 54 can be inserted into the limiting holes 524.

The implementation principle of embodiment 2 of the present application is: when the seal sleeve 52 is fixed, the pin 54 is inserted into the seal sleeve 52, then the fastening rod 53 and the seal sleeve 52 are put into the second avoiding hole 512 together, when the fastening rod 53 is screwed, the seal sleeve 52 rotates together with the fastening rod 53 to complete fastening, and when the electric cutting ring 2 moves relative to the seal sleeve 52, the seal sleeve 52 is difficult to rotate relative to the electric cutting ring 2 under the restraint of the pin 54, so that the seal sleeve 52 can better seal the contact part and the peripheral area of the electric cutting ring 2.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The electric cutting mirror comprises an endoscope (1), an electric cutting ring (2), a sheath (3) and an operator (4), and is characterized in that the endoscope (1) and the electric cutting ring (2) can be placed in the sheath (3) and mounted on the operator (4), and a sealing assembly (5) is arranged at the joint of the operator (4) and the electric cutting ring (2);

seal assembly (5) are including electric seat (51) and sealed sleeve (52), first hole (511) and second hole (512) of dodging of increasing in proper order are offered on electric seat (51) to cut, sealed sleeve (52) are arranged in second dodging hole (512), sealed sleeve (52) can supply electric cutting ring (2) pass and seal with electric cutting ring (2) contact part's peripheral region.

2. An resectoscope according to claim 1, wherein the sealing sleeve (52) is provided with a first sealing hole (521) and a second sealing hole (522) which are sequentially communicated, the first sealing hole (521) and the second sealing hole (522) are coaxially arranged, and the first sealing hole (521) is closer to the sheath (3) and has a larger aperture than the second sealing hole (522).

3. The resectoscope according to claim 2, wherein the second avoidance hole (512) is coaxially arranged with the first sealing hole (521), the aperture of the second avoidance hole (512) is smaller than that of the first sealing hole (521), and a slope (523) is obliquely arranged at a communication position between the first sealing hole (521) and the second sealing hole (522).

4. An resectoscope according to claim 2, characterized in that the second avoidance hole (512) is further in threaded connection with a fastening rod (53) for fastening the sealing sleeve (52), the fastening rod (53) is arranged in a hollow manner, and the end face of the fastening rod (53) can be abutted with the sealing sleeve (52).

5. The resectoscope according to claim 4, wherein a plurality of pins (54) are circumferentially arranged on the end surface of the fastening rod (53), a plurality of limiting holes (524) corresponding to the pins (54) are formed on one side, close to the fastening rod (53), of the sealing sleeve (52), and the pins (54) can be inserted into the limiting holes (524).

6. The electric cutting mirror according to claim 1, wherein a guide hole (513) coaxially arranged with the first avoiding hole (511) is further formed in one side, close to the sheath (3), of the electric cutting seat (51), the aperture of the guide hole (513) is larger than that of the first avoiding hole (511), and the hole wall of the guide hole (513) and the hole wall of the first avoiding hole (511) are in smooth transition.

7. An resectoscope according to claim 1, characterized in that the manipulator (4) comprises a locking sleeve (41) and a locking hook (42), the locking sleeve (41) and the locking hook (42) are both sleeved at the outer end of the sheath (3) and fasten the sheath (3), an accommodating space (43) is arranged between the locking sleeve (41) and the locking hook (42) and the sealing component (5) is arranged in the accommodating space (43), a blocking protrusion (421) is arranged at the inner side of the locking hook (42), a protruding edge (514) is arranged at the outer end of the resectoscope seat (51) in a surrounding manner, and the side wall of the protruding edge (514) is abutted with the blocking protrusion (421).

8. The resectoscope according to claim 7, wherein a handle (44) is connected to one side of the lock hook (42) away from the lock sleeve (41), the handle (44) comprises a connecting ring (441) and a holding ring (442) which are connected with each other, a limit bump (443) is connected to the inner wall of the connecting ring (441), and a fixing hole (515) into which the limit bump (443) extends is correspondingly formed at the outer end of the resectoscope seat (51).

9. An electric cutting mirror according to claim 7, characterized in that the manipulator (4) further comprises a connecting sleeve (45) and a slide (46), the connecting sleeve (45) being connected with the electric cutting seat (51), the electric cutting ring (2) passing through the sealing assembly (5) and being connected with the slide (46), the slide (46) being in sliding connection with the connecting sleeve (45) and being able to push the electric cutting ring (2) to move.