CN117297533A - Uterine cavity endoscope free of dilatation - Google Patents

Abstract

The utility model relates to a exempt from to expand palace chamber endoscope, including the endoscope casing, the external diameter of endoscope casing is less than 6.3mm, wear to be equipped with mirror outer tube and mirror inner tube in the endoscope casing, be provided with objective on the mirror inner tube, objective includes first mirror body, the second mirror body, third mirror body and fourth mirror body, the both ends of first mirror body are to homonymy protrusion, the one end face of second mirror body is leveled, the first mirror body protrusion is kept away from to another terminal surface, be provided with the mirror piece between first mirror body and the second mirror body, mirror piece and the equal contactless of first mirror body and second mirror body, the terminal surface contact that the third mirror body is opposite with the fourth mirror body just to keeping away from the protruding setting of second mirror body direction. This application reduces the external diameter of endoscope insertion end, changes the structural composition of objective system for when inserting the width reduction, the visual field scope of endoscope is unchangeable, and then reduces because insert the great possibility that increases operation risk and operation recovery period of width, simultaneously, reduces the visual field and diminishes and influence the possibility of operation.

Description

Uterine cavity endoscope free of dilatation

Technical Field

The application relates to the field of medical instruments, in particular to an intrauterine endoscope without dilatation.

Background

The hysteroscope is a new minimally invasive gynecological diagnosis and treatment technology, is used for examining and treating the uterine cavity, comprises a hysteroscope, an energy system, a light source system, a perfusion system and an imaging system, and is a preferred examination method for treating gynecological hemorrhagic diseases and intrauterine lesions intuitively and accurately by entering the uterine cavity by utilizing the front part of the lens body and having an amplifying effect on the observed part.

Compared with the traditional gynecological examination, the hysteroscopy can not only find the abnormality of the cervical canal of the uterine cavity and determine the focus position, size, range and texture, but also can perform positioning and material taking biopsy under direct vision, and take out the intrauterine foreign matters, separating membrane-like adhesion, sterilization and other simple treatment operations, thereby being an advanced minimally invasive diagnosis and treatment technology.

The common intrauterine endoscopes on the market at present, whether split, are integrated, and the width of the insertion part of the intrauterine endoscopes is usually 6.3mm or more. Conventional hysteroscopes are mainly used on adult women. However, with the trend of recent gynecological diseases toward younger development, women with reduced ages often have smaller cervical orifices, and if a conventional uterine cavity endoscope is used for performing an operation, the operation is possibly damaged due to a larger insertion width, so that the risk of the operation is increased, and the recovery period of the operation is prolonged.

Since the field of view of the objective lens in the tube is unchanged, when the objective lens of the endoscope is reduced, the field of view of the objective lens is reduced, thereby affecting the visual range during the operation.

Disclosure of Invention

In order to reduce the possibility of increasing the operation risk due to the larger insertion width of the endoscope, the application provides an intrauterine device endoscope without expanding uterus.

The application provides an exempt from to expand palace chamber endoscope adopts following technical scheme:

the utility model provides a exempt from to expand palace chamber endoscope, includes the endoscope casing, the diameter of the outer wall insertion end of endoscope casing is less than 6.3mm, wear to be equipped with the mirror outer tube in the endoscope casing, wear to be equipped with the mirror inner tube in the mirror outer tube, be provided with the objective system that is used for increasing the visual field scope on the one end that stretches into in the human body in the mirror inner tube, the objective system includes first mirror, second mirror, third mirror and the fourth mirror that distributes in proper order along mirror inner tube length direction, the both sides of first mirror all inwards extend into the end protrusion, one end face of the second mirror is leveled, the other end face is kept away from first mirror protrusion, be provided with the mirror piece between first mirror and the second mirror, mirror piece and first mirror all contactless with the second mirror, the terminal surface contact that the third mirror is opposite with the fourth mirror just to keeping away from the setting of second mirror direction protrusion.

Through adopting above-mentioned technical scheme, through using the endoscope shell diameter that is less than 6.3mm on the patient, because the reduction of pipe diameter leads to the angle of visual field to diminish, the rethread fourth mirror body, the third mirror body, the second mirror body and the divergent condition of first mirror body adjustment light in the mirror inner tube, make the light loop through new fourth mirror body, the third mirror body, the second mirror body and the divergent back of first mirror body, enlarge the visual field scope of endoscope, make the visual field scope of endoscope less pipe diameter increase relatively, the visual field scope is the same as in the original endoscope, and then reduce because the reduction of the insertion width of first casing leads to the visual field scope to reduce, thereby influence the possibility of operation, and the reduction of the external diameter of first casing reduces the possibility that first casing causes the injury to the patient in the insertion process, and then reduce the increase of operation risk and the possibility that the operation recovery period increases.

Optionally, the endoscope casing includes first casing, main part inner core and second casing, first casing is the insertion end, the external diameter of first casing is less than 6.3mm, first casing and second casing distribute in the both sides of main part inner core, first casing and second casing all peg graft on the main part inner core, set up the intercommunication groove all communicating with first casing and second casing on the main part inner core, first mirror, mirror piece, second mirror, third mirror and fourth mirror all set up in the one end that the main part inner core was kept away from to first casing and along the direction distribution of first casing towards the second casing.

Through adopting above-mentioned technical scheme, connect through the main part inner core between first casing and the second casing to communicate through the intercommunication groove, the rethread is with fourth mirror body, third mirror body, second mirror body, mirror piece and first mirror body are installed on the first casing one end of keeping away from the second casing, make light diverge on the first casing one end of keeping away from the second casing, reduce the width reduction of the outer wall of first casing and influence the possibility of the visual field scope of endoscope.

Optionally, be provided with the mounting tube on the main part inner core, first mounting groove has been seted up on the mounting tube, first mounting groove and intercommunication groove intercommunication, the second casing wears to locate in the first mounting groove, the second mounting groove has been seted up on the mounting tube, second mounting groove and intercommunication groove intercommunication, be provided with on the mounting tube and be used for supplying the ware valve takeover that surgical instruments stretched into, ware valve takeover is pegged graft in the second mounting groove.

Through adopting above-mentioned technical scheme, through placing the mounting tube on the main part inner core, offer the second mounting groove with the intercommunication groove intercommunication on the mounting tube for the endoscope is in the use, stretches into the patient through the second mounting groove with the surgical instruments such as pincers, scissors, reduces surgical instruments and inserts the patient once more and improves the operation risk and increase the possibility of operation convalescence, and stretches into the patient through the second mounting groove with the instrument, reduces the operation in-process and opens the incision and increase the possibility of patient convalescence on the patient.

Optionally, be provided with sealed lid seat on the ware valve takeover, be provided with the sealer on the sealed lid seat, the sealer can dismantle the setting through sealed lid, sealed lid threaded connection is in sealed lid seat top and butt sealer.

Through adopting above-mentioned technical scheme, ware valve takeover department is sealed through the sealer, and rethread sealed lid threaded connection is on ware valve takeover, when the butt sealer, with the sealer carry out dual seal to ware valve takeover, effectively guarantee the leakproofness after the apparatus inserts or pulls out ware valve takeover, and then avoid the palace liquid of swelling to leak to the possibility of environment.

Optionally, the cover is equipped with the connecting pipe on the main part inner core, the connecting pipe rotates to be connected on the main part inner core, be provided with the puncture water valve on the connecting pipe, be provided with the installation component that is used for dismantling connecting pipe and puncture water valve on the installation pipe, the installation component includes fixed sleeve and mounting, fixed sleeve can dismantle the setting on the main part inner core and the butt is connected the pipe, be provided with the color code ring on the fixed sleeve, the mounting can dismantle the setting on fixed sleeve and the color code ring of butt.

Through adopting above-mentioned technical scheme, the connecting pipe rotates on the main part inner core, when reducing endoscope angle regulation, the interwinding possibility between inlet tube and the outlet pipe on two puncture water valves, the tip of connecting pipe passes through the fixed sleeve butt, reduce the connecting pipe and break away from the possibility of main part inner core when the dismantlement of connecting pipe of being convenient for, the mounting is with the color code ring butt on the fixed sleeve, the color code ring plays the definite action to adjusting endoscope angle, the mounting reduces the color code ring and breaks away from the possibility of fixed sleeve.

Optionally, the standing groove has been seted up on the main part inner core, the standing groove distributes along the length direction of first casing has a plurality ofly, and is adjacent the standing groove distributes in the both sides of puncture water valve along the length direction of first casing, be provided with the sealing member between main part inner core and the connecting pipe, the sealing member is arranged in the standing groove.

Through adopting above-mentioned technical scheme, through seting up the standing groove in the both sides of puncture water valve to install sealing member in the standing groove, reduce the liquid and keep away from the possibility that one end department of first casing overflowed to in the second casing from the main part inner core, sealing member distributes in the both sides of two puncture water valves, improves the possibility that liquid overflowed.

Optionally, the second casing is kept away from and is provided with the mount pad on the one end of first casing, the mirror outer tube wears to locate on the one end of mount pad towards first casing, the mirror inner tube wears to locate on the mount pad, be provided with the optic fibre overcoat on the mount pad, the junction of optic fibre overcoat and mount pad is located between the terminal surface of mirror inner tube and the terminal surface of mirror inner tube, be provided with the sealing washer between the one end that second casing was kept away from to mount pad and mirror inner tube.

Through adopting above-mentioned technical scheme, the optic fibre overcoat is between the tip that first casing was kept away from to mirror outer tube and mirror inner tube for light concentrates between mirror outer tube and mirror inner tube, reduces light and disperses when reaching between fourth mirror body, third mirror body, second mirror body, mirror piece and the first mirror body, and then improves the effect that light diverged outside fourth mirror body, third mirror body, second mirror body, mirror piece and first mirror body department.

Optionally, the optical fiber outer sleeve is detachably provided with an optical fiber middle sleeve and an optical fiber inner sleeve, the optical fiber inner sleeve is arranged in the optical fiber middle sleeve in a penetrating manner, the optical fiber inner sleeve is internally provided with a light cone combination in a penetrating manner, the mounting seat is provided with a light guide nozzle seat, and a light guide nozzle is arranged between the light cone combination and the light guide nozzle seat.

By adopting the technical scheme, when light enters the optical fiber outer sleeve, the light sequentially enters the mounting seat from the optical fiber inner sleeve and the light guide nozzle, and the light passes through the outer mirror tube and the inner mirror tube at the mounting seat, so that the light reaches the fourth mirror body in the outer mirror tube and the inner mirror tube, and the light cone combination and the light guide nozzle improve the conveying condition of the optical fiber.

Optionally, there is eyepiece takeover that is used for being connected with the optical instrument on the mount pad, be provided with the color circle on the eyepiece takeover and with the eyepiece cover on the eyepiece takeover of color circle butt, also be provided with the pressure seat between mount pad and the eyepiece takeover, be provided with the diaphragm between mount pad and the eyepiece takeover.

Through adopting above-mentioned technical scheme, carry out the butt through pressing the tip of seat to the mirror inner tube, the rethread diaphragm reduces the sight influence of seat to the mirror inner tube, when needs use the endoscope, take off eyepiece cover from eyepiece takeover, convenient to use, when not using the endoscope, take over eyepiece cover threaded connection on the eyepiece, on the one hand, reduce the lens damage in the eyepiece takeover possibility, on the other hand, reduce the lens in the eyepiece takeover possibility of piling up dust.

Optionally, be provided with integrative seat of thing arris on the mirror inner tube, integrative seat of thing arris is used for placing first mirror body, the liquid outlet has been seted up on the one end that the second casing was kept away from to first casing.

Through adopting above-mentioned technical scheme, first mirror body is installed on the integrative seat of thing arris, reduces the possibility that first mirror body breaks away from the mirror inner tube, and reduces the palace liquid of expanding and first mirror body contact and influence the possibility of sight definition, and the whole area of liquid is gone out in the increase of liquid outlet hole, reduces the possibility that liquid is piled up between mirror outer tube and first casing.

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

1. when the outer diameter of the endoscope is smaller than 6.3mm, the fourth lens body, the third lens body, the second lens body and the first lens body are sequentially arranged in the inner lens tube due to the smaller outer diameter of the endoscope, so that when the endoscope is used, light rays are scattered at the fourth lens body, the third lens body, the second lens body and the first lens body, and then the view field range when the tube diameter is reduced is increased, and the possibility that the operation is influenced due to the fact that the view field range is reduced when the tube diameter is reduced through the arrangement of the fourth lens body, the third lens body, the second lens body and the first lens body while the risk of the operation and the recovery period of the operation due to the larger tube diameter are reduced;

2. the rotatable connecting pipe is sleeved on the inner core of the main body, two puncture water valves are arranged on the connecting pipe, and the connecting pipe and the inner core of the main body rotate, so that the possibility that the water inlet pipe and the water outlet pipe of the two puncture water valves are mutually wound when the angle of the endoscope is adjusted is reduced;

3. the sealing device is arranged on the sealing device and the sealing cover seat, the sealing cover seat is sleeved with the sealing cover, and double sealing of the sealing device and the sealing cover is realized, so that tightness after inserting or extracting devices such as pliers, scissors and the like from the sealing device is reduced, and further the possibility that uterine distension liquid leaks into the environment is avoided.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an overall cross-sectional view of an embodiment of the present application.

Fig. 3 is a view field changing diagram after the objective lens system is changed in the embodiment of the present application.

Fig. 4 is an enlarged view of fig. 2 a for showing the installation of the body core and the connection pipe.

Fig. 5 is an enlarged view at B of fig. 2, showing a seal installation schematic of the valve nipple of the display.

Fig. 6 is a schematic view of the structure of the optical fiber jacket according to the embodiment of the present application.

Fig. 7 is an enlarged view at C in fig. 2 for showing a mounting schematic of the eyepiece adapter.

Reference numerals illustrate: 1. an endoscope housing; 11. a first housing; 111. an object edge integrated seat; 112. a liquid outlet hole; 12. a second housing; 13. a main body core; 131. a communication groove; 132. a placement groove; 14. installing a pipe; 141. a first mounting groove; 142. a second mounting groove; 15. a scope outer tube; 16. a scope inner tube; 2. an objective system; 21. a first mirror body; 22. a second mirror body; 23. a third mirror body; 24. a fourth mirror body; 25. a mirror block; 3. a connecting pipe; 31. puncturing the water valve; 32. a seal; 4. a mounting assembly; 41. fixing the sleeve; 42. a fixing member; 43. a color code ring; 5. a valve connecting pipe; 51. a sealer; 52. sealing cover; 53. a sealing cover seat; 6. a mounting base; 61. an optical fiber jacket; 62. an optical fiber middle sleeve; 63. an optical fiber inner sleeve; 64. a light cone combination; 65. a light guide nozzle base; 66. a light guide nozzle; 7. an eyepiece connecting tube; 71. pressing a base; 72. an eyepiece cover; 73. a diaphragm; 74. a color ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses an intrauterine device endoscope without dilatation. Referring to fig. 1 and 2, including endoscope casing 1, endoscope casing 1 includes first casing 11, main part inner core 13 and second casing 12, and the external diameter of first casing 11 is less than 6.3mm, and the external diameter of ordinary first casing 11 is 4.5mm, and first casing 11 and second casing 12 distribute in main part inner core 13 both sides and all peg graft with main part inner core 13, have seted up intercommunication groove 131 on the main part inner core 13, and intercommunication groove 131 all communicates with first casing 11 and second casing 12.

Referring to fig. 2 and 3, an outer mirror tube 15 and an inner mirror tube 16 are installed between the first housing 11 and the main body inner core 13, the outer mirror tube 15 is penetrated in the first housing 11, an end of the outer mirror tube 15 abuts on the main body inner core 13, the inner mirror tube 16 is penetrated in the outer mirror tube 15, and an end of the inner mirror tube 16 remote from the inner mirror tube 16 extends into the second housing 12.

The objective lens system in the original structure comprises a first lens body, a second lens body, a third lens body, a fourth lens body and a fifth lens body which are distributed along the axial length direction of a tube body at one time, wherein the two ends of the first lens body are sunken towards the center of the first lens body, the second lens body is arranged in a protruding mode, which is smaller than the prior art, of an arc, the end faces of the two sides of the third lens body are arranged in a protruding mode, the radius of a protruding portion of the end, which is far away from the second lens body, of the third lens body is larger, the end, which is opposite to the fourth lens body, of the third lens body is arranged in a contact mode, the radius of the end face, which is opposite to the fourth lens body, of the fourth lens body is smaller than the radius of the end face, which is far away from the fourth lens body, of the fourth lens body, and in the situation, when the insertion width of the endoscope is reduced, the field of view range of the endoscope is reduced when the endoscope is continuously used, and the use of the objective lens system is inconvenient in the operation process.

The object-edge integrated seat 111 is installed in the lens inner tube 16, the object-edge integrated seat 111 is located one end of the lens inner tube 16 far away from the second shell 12, the objective lens system 2 is installed between the lens inner tube 16 and the object-edge integrated seat 111, the objective lens system 2 comprises a first lens body 21, a second lens body 22, a third lens body 23 and a fourth lens body 24 which are distributed along the distribution direction of the first shell 11 towards the second shell 12, the first lens body 21 is installed on the object-edge integrated seat 111, two sides of the first lens body 21 are convexly installed in the direction far away from the second shell 12, one end of the second lens body 22 is perpendicular to the axis direction of the second lens body 22, the other end is convexly installed in the direction far away from the first lens body 21, a lens block 25 is installed between the first lens body 21 and the second lens body 22, the end face of the third lens body 23 and the end face of the fourth lens body 24 are attached to each other and convexly installed far away from the second lens body 22, the end face of the fourth lens body 24 is convexly installed in the direction far away from the third lens body 23, and when the inner lens body 21, the second lens body 22 and the third lens body 23 are used, the view field of view is not changed, and the tube diameter of the light is reduced.

The first shell 11 is provided with a liquid outlet 112, the liquid outlet 112 is positioned at one end of the first shell 11 far away from the second shell 12, the liquid outlet 112 increases the outflow speed of liquid, and the possibility that liquid is accumulated between the first shell 11 and the mirror outer tube 15 is reduced.

Referring to fig. 2 and 4, the main body core 13 is provided with a mounting tube 14, the mounting tube 14 is provided with a first mounting groove 141, the first mounting groove 141 is coaxial with and communicated with the communication groove 131, the mirror inner tube 16 is inserted into the second housing 12 from the first mounting groove 141, the mounting tube 14 is provided with a second mounting groove 142, and the second mounting groove 142 is communicated with the communication groove 131.

Referring to fig. 4 and 5, the mounting tube 14 is mounted with a valve adapter tube 5 for the surgical instrument to extend into the first housing 11 and the human body, the valve adapter tube 5 is inserted into the second mounting groove 142, and the valve adapter tube 5 facilitates the surgical instrument to enter the uterine cavity.

The end of ware valve takeover 5 far away from main part inner core 13 installs sealed lid seat 53, installs the sealed ware 51 that seals ware valve takeover 5 on the sealed lid seat 53, and threaded connection has sealed lid 52 on the one end of keeping away from ware valve takeover 5, and sealed lid 52 will seal ware 51 butt at the tip of ware valve takeover 5 and seal ware valve takeover 5, and through the dual seal of sealed ware 51 and sealed lid 52 on the ware valve takeover 5, improve the leakproofness after the surgical instrument inserts or pulls out, avoid the uterine expansion liquid to reveal to the environment in.

The connecting pipe 3 is detachably arranged on the main body inner core 13, 360-degree rotation can be achieved between the connecting pipe 3 and the main body inner core 13, one end of the connecting pipe 3, facing the second shell 12, is abutted against the end face of the mounting pipe 14, two penetrating water valves 31 distributed along the axis direction of the connecting pipe 3 are arranged on the connecting pipe 3, the two penetrating water valves 31 are distributed along the length direction of the connecting pipe 3, the connecting pipe 3 and the main body inner core 13 rotate, the possibility that the water inlet and outlet pipe is wound due to the fact that the angle of an adjusting instrument is reduced, and the connecting pipe 3 and the penetrating water valves 31 are detachably arranged on the mounting pipe 14 through the mounting assembly 4.

The installation component 4 includes fixed sleeve 41 and mounting 42, fixed sleeve 41 threaded connection has seted up the step groove on the outer wall of fixed sleeve 41 on main part inner core 13, the step groove is located fixed sleeve 41 towards on the one end of first casing 11 and runs through the terminal surface of fixed sleeve 41, the cover is equipped with color code ring 43 on the fixed sleeve 41, color code ring 43 is used for distinguishing endoscope angle, mounting 42 includes fixation nut, fixation nut threaded connection is at fixed sleeve 41, fixation nut is with color code ring 43 butt on fixed sleeve 41, fix connecting pipe 3 and color code ring 43 on main part inner core 13 through fixed sleeve 41 and fixation nut, reduce the possibility that connecting pipe 3 breaks away from main part inner core 13.

The outer wall of the main body inner core 13 is provided with three placing grooves 132 distributed along the axial direction of the main body inner core 13, two puncture water valves 31 are respectively positioned between two adjacent placing grooves 132 in the axial direction of the main body inner core 13, a sealing piece 32 is arranged between the main body inner core 13 and the connecting pipe 3, the sealing piece 32 comprises O-shaped sealing rings, the O-shaped sealing rings are positioned in the placing grooves 132, and the O-shaped sealing rings are arranged on two sides of the puncture water valves 31, so that the possibility that liquid flows to the second shell 12 between the main body inner core 13 and the connecting pipe 3 is reduced.

Referring to fig. 2 and 6, the second housing 12 is provided with a mounting seat 6 at one end far away from the connecting block, one end of the inner mirror tube 16 close to the inner main body core 13 extends to one end of the mounting seat 6 facing the first housing 11, the inner mirror tube 16 is arranged on the mounting seat 6 in a penetrating manner, an optical fiber outer sleeve 61 is arranged in the outer optical fiber tube at the connection position of the optical fiber outer sleeve 61 and the mounting seat 6 between the inner mirror tube 16 and the end face of the inner mirror tube 16, an optical fiber middle sleeve 62 and an optical fiber outer sleeve 61 are arranged in the outer optical fiber outer tube in a penetrating manner, an optical fiber inner sleeve 63 is arranged in the optical fiber middle sleeve 62 in a penetrating manner, a light cone combination 64 is arranged in the optical fiber inner sleeve 63 in a penetrating manner, a light guide nozzle seat 65 is arranged between the light cone combination 64 and the mounting seat 6, and a light guide nozzle 66 is arranged between the light cone combination 64 and the light guide nozzle seat 65, so that when the endoscope is used, the visual field is bright and clear.

Referring to fig. 2 and 7, a sealing ring is arranged between the mounting seat 6 and one end of the endoscope inner tube 16 away from the second shell 12, an eyepiece connecting tube 7 for connecting with an optical instrument is mounted on one end of the mounting seat 6 away from the second shell 12, a color ring 74 and an eyepiece cover 72 for abutting the color ring 74 on the eyepiece connecting tube 7 are mounted on the eyepiece connecting tube 7, when the endoscope is used, the eyepiece cover 72 is taken off from the eyepiece connecting tube 7, and when the endoscope is used, the eyepiece cover 72 is connected onto the eyepiece connecting tube 7 in a threaded manner, so that the possibility of damage or dust accumulation of lenses on the eyepiece connecting tube 7 is reduced.

A pressing seat 71 is arranged between the mounting seat 6 and the ocular connecting tube 7, the pressing seat 71 reduces the possibility of detachment between the inner tube of the mirror and the mounting seat 6, a diaphragm 73 is arranged between the mounting seat 6 and the ocular connecting tube 7, the diaphragm 73 is positioned on one side of the pressing seat 71 opposite to the side where the second shell 12 is arranged, and the diaphragm 73 reduces the influence of the pressing seat 71 on light rays.

The implementation principle of the uterine cavity endoscope without dilatation in the embodiment of the application is as follows:

the external diameter of the first shell 11 is 4.5mm, the field of view scope of the endoscope is enlarged through the first mirror body 21, the second mirror body 22, the third mirror body 23 and the fourth mirror body 24, the damage to the patient caused by the insertion is reduced through the smaller insertion width, and the field of view scope of the endoscope is unchanged through the first mirror body 21, the second mirror body 22, the third mirror body 23 and the fourth mirror body 24, so that the influence on the field of view scope caused by the reduction of the insertion width is reduced.

The connecting pipe 3 is rotatably arranged on the main body inner core 13, and when the angle of the instrument is adjusted, the connecting pipe 3 and the main body inner core 13 rotate relatively, so that the possibility of winding the water inlet pipe and the water outlet pipe on the puncture water valve 31 with the instrument is reduced.

The sealer 51 and the sealing cover 52 are arranged on the appliance connecting pipe, so that the sealing performance after the appliance is inserted or pulled out is effectively improved, and the possibility that the uterine expansion liquid leaks to the environment is avoided.

The eyepiece adapter 7 is arranged on the mounting seat 6, and the eyepiece cover 72 is arranged on the eyepiece adapter 7, so that the possibility of damage to lenses or dust accumulation in the eyepiece adapter 7 is reduced.

The foregoing is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. An intrauterine device without dilatation, which is characterized in that: including endoscope casing (1), the diameter of the outer wall inserted end of endoscope casing (1) is less than 6.3mm, wear to be equipped with mirror outer tube (15) in endoscope casing (1), wear to be equipped with mirror inner tube (16) in mirror outer tube (15), be provided with on the one end that mirror inner tube (16) inserted in the human body and be used for increasing objective system (2) of visual field scope, objective system (2) including along first mirror body (21), second mirror body (22), third mirror body (23) and fourth mirror body (24) that mirror inner tube (16) length direction distributes in proper order, the both sides of first mirror body (21) all stretch into the end protrusion to the endoscope, one end face of second mirror body (22) is leveled, the other end face is kept away from first mirror body (21) protrusion, be provided with mirror piece (25) between first mirror body (21) and the second mirror body (22), mirror piece (25) and second mirror body (22) all do not contact, third mirror body (23) and fourth mirror body (24) are kept away from opposite to the direction of protrusion to the second mirror body (24).

2. An intrauterine device without dilatation according to claim 1, wherein: the endoscope casing (1) comprises a first casing (11), a main body inner core (13) and a second casing (12), the first casing (11) is an insertion end, the outer diameter of the first casing (11) is smaller than 6.3mm, the first casing (11) and the second casing (12) are distributed on two sides of the main body inner core (13), the first casing (11) and the second casing (12) are inserted on the main body inner core (13), a communication groove (131) which is communicated with the first casing (11) and the second casing (12) is formed in the main body inner core (13), and the first mirror body (21), the mirror block (25), the second mirror body (22), the third mirror body (23) and the fourth mirror body (24) are arranged on one end, far away from the main body inner core (13), of the first casing (11) and are distributed along the direction of the first casing (11) towards the second casing (12).

3. An intrauterine device without dilatation according to claim 2, wherein: the device is characterized in that a mounting tube (14) is arranged on the main body inner core (13), a first mounting groove (141) is formed in the mounting tube (14), the first mounting groove (141) is communicated with the communicating groove (131), the second shell (12) is arranged in the first mounting groove (141) in a penetrating mode, a second mounting groove (142) is formed in the mounting tube (14), the second mounting groove (142) is communicated with the communicating groove (131), a device valve connecting tube (5) for a surgical instrument to extend in is arranged on the mounting tube (14), and the device valve connecting tube (5) is inserted in the second mounting groove (142).

4. An intrauterine device without dilatation according to claim 3, wherein: the device is characterized in that a sealing cover seat (53) is arranged on the device valve connecting pipe (5), a sealer (51) is arranged on the sealing cover seat (53), the sealer (51) is detachably arranged through a sealing cover (52), and the sealing cover (52) is in threaded connection above the sealing cover seat (53) and is abutted to the sealer (51).

5. An intrauterine device without dilatation according to claim 3, wherein: the utility model discloses a puncture water valve, including main part inner core (13), connecting pipe (3) are equipped with to cover on main part inner core (13), connecting pipe (3) rotate and connect on main part inner core (13), be provided with puncture water valve (31) on connecting pipe (3), be provided with on installing tube (14) and be used for dismantling installation component (4) of connecting pipe (3) and puncture water valve (31), installation component (4) are including fixed bolster (41) and mounting (42), fixed bolster (41) can dismantle and set up on main part inner core (13) and butt joint pipe (3), be provided with color mark ring (43) on fixed bolster (41), mounting (42) can dismantle and set up on fixed bolster (41) and butt color mark ring (43).

6. An intrauterine device without dilatation according to claim 5, wherein: the novel water valve is characterized in that a plurality of placing grooves (132) are formed in the main body inner core (13), the placing grooves (132) are distributed along the length direction of the first shell (11), the placing grooves (132) are distributed on two sides of the puncture water valve (31) along the length direction of the first shell (11), sealing elements (32) are arranged between the main body inner core (13) and the connecting pipe (3), and the sealing elements (32) are located in the placing grooves (132).

7. An intrauterine device without dilatation according to claim 2, wherein: the utility model discloses a mirror, including first casing (11), second casing (12), mirror outer tube (15), mount pad (6), optical fiber overcoat (61) are provided with on mount pad (6), be provided with mount pad (6) on the one end that first casing (11) was kept away from to second casing (12), mirror outer tube (15) wear to locate on the one end of mount pad (6) towards first casing (11), be provided with the sealing washer between the one end that second casing (12) was kept away from to mount pad (6) and the terminal surface of mirror inner tube (16) is located to the junction of optical fiber overcoat (61) and mount pad (6).

8. An intrauterine device without dilatation according to claim 7, wherein: the optical fiber is characterized in that an optical fiber middle sleeve (62) and an optical fiber inner sleeve (63) are detachably arranged on the optical fiber outer sleeve (61), the optical fiber inner sleeve (63) is arranged in the optical fiber middle sleeve (62) in a penetrating mode, a light cone combination (64) is arranged in the optical fiber inner sleeve (63) in a penetrating mode, a light guide nozzle base (65) is arranged on the mounting base (6), and a light guide nozzle (66) is arranged between the light cone combination (64) and the light guide nozzle base (65).

9. An intrauterine device without dilatation according to claim 7, wherein: the eye lens connecting tube (7) used for being connected with an optical instrument is arranged on the mounting seat (6), a color ring (74) and an eye lens cover (72) which is used for propping the color ring (74) against the eye lens connecting tube (7) are arranged on the eye lens connecting tube (7), a pressing seat (71) is arranged between the mounting seat (6) and the eye lens connecting tube (7), and a diaphragm (73) is arranged between the mounting seat (6) and the eye lens connecting tube (7).

10. An intrauterine device without dilatation according to claim 2, wherein: be provided with integrative seat of thing arris (111) on mirror inner tube (16), integrative seat of thing arris (111) are used for placing first mirror body (21), go out liquid hole (112) have been seted up on the one end that second casing (12) were kept away from to first casing (11).