CN214414797U

CN214414797U - Intrauterine speculum with limiting structure

Info

Publication number: CN214414797U
Application number: CN202022981805.2U
Authority: CN
Inventors: 张云飞; 蔡占毅; 郭慧建
Original assignee: Jiangsu Jiyuan Medical Technology Co ltd
Current assignee: Jiangsu Jiyuan Medical Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-10-19
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to an uterus speculum with limit structure, it relates to medical instrument technical field, and it includes handle mechanism and intubate mechanism, intubate mechanism includes rotating sleeve, install rotating assembly in the handle mechanism, rotating assembly is including the rotating head, main spacing ring, follow spacing ring and the spacing ring of arranging in proper order, rotating head, main spacing ring and follow the spacing ring and connect gradually, it fixes to decide the spacing ring on the handle mechanism, the rotating head rotates the back drive rotating sleeve rotates, main spacing ring, follow spacing ring and the cooperation restriction of spacing ring the rotating head uses same position as the unidirectional rotation scope of benchmark between 180 degrees to 350 degrees. Under the condition that rotating sleeve satisfied 360 degrees all-round observations, the rotating sleeve turned angle was injectd, and this application has the effect that reduces the unlimited rotation of rotating sleeve and tear the circuit apart.

Description

Intrauterine speculum with limiting structure

Technical Field

The application relates to the field of medical instruments, in particular to an intrauterine speculum with a limiting structure.

Background

The intrauterine endoscope is also called hysteroscope, is a new and minimally invasive gynecological diagnosis and treatment technology, is a fiber light source endoscope used for the examination and treatment in the uterine cavity, and comprises a hysteroscope, an energy system, a light source system, a perfusion system and an imaging system; the front part of the endoscope body enters the uterine cavity, and the endoscope body has an amplification effect on the observed part, so that the endoscope body is visually and accurately a preferred examination method for gynecological hemorrhagic diseases and intrauterine lesions.

The related art intrauterine specula comprises a hand-held handle mechanism and an intubation mechanism inserted into the uterus, the intubation mechanism comprising a rotating sleeve. Rotating sleeve's one end is passed through the rotating head and is connected with handle mechanism rotation, and rotating sleeve's the other end is connected with the camera, and the circuit of camera is located rotating sleeve intraductally, and rotating sleeve sets up one side of camera and need insert the uterus through the vagina, and rotating sleeve rotates at will through the rotating head for the camera carries out all-round snooping to uterus inside.

In view of the above-mentioned related art, the inventors consider that the unlimited rotation of the rotary head easily causes the line connecting the cameras to be torn and broken in the case of unlimited rotation.

SUMMERY OF THE UTILITY MODEL

In order to rotate the problem that the head is pulled and broken without limit, the application provides a rotating structure of a uterine endoscope.

The intrauterine speculum with the limiting structure adopts the following technical scheme:

the utility model provides an intrauterine speculum with limit structure, includes handle mechanism and intubate mechanism, intubate mechanism includes rotating sleeve, install rotating assembly in the handle mechanism, rotating assembly is including rotating head, main spacing ring, follow spacing ring and the spacing ring of arranging in proper order, rotating head, main spacing ring and follow the spacing ring and connect gradually, the spacing ring is fixed on the handle mechanism, the rotating head rotates the back drive rotating sleeve rotates, main spacing ring, follow spacing ring and the cooperation of spacing ring restriction the rotating head uses the one-way rotation range of same position as the benchmark between 180 degrees to 350 degrees.

Through adopting above-mentioned technical scheme, main spacing ring, follow the spacing ring and decide the spacing ring and inject the turned angle of rotating head, and then inject rotatory sleeve pipe turned angle. The rotating sleeve can not rotate infinitely, and the situation that the circuit of the camera is broken is reduced. The rotating head uses the one-way rotation angle of the same position as the benchmark to be less than 180 degrees, and after the rotating sleeve rotates forwards and backwards, the total rotation angle is less than 360 degrees, so that dead angles appear, and the judgment of doctors is influenced. The rotating head uses the same position as the benchmark one-way rotation angle is greater than 360 degrees, the corotation and reversal repetition range is too large, and the realization is more complicated. The rotation angle is preferably limited to 180 to 350 degrees.

Optionally, the handle mechanism includes a handheld handle, the primary limiting ring includes a connector and a plug connector which are coaxially and fixedly connected, the connector is connected with the rotating head, and the rotating head drives the primary limiting ring to rotate after rotating; the diameter of the connector is larger than that of the plug connector, and a first limiting head extends towards the plug connector; the auxiliary limiting ring is sleeved on the plug-in connector, the peripheral wall of the auxiliary limiting ring is provided with a first limiting groove and a second limiting groove which are arranged in a staggered mode, the auxiliary limiting ring is fixedly connected with the handheld handle, and the auxiliary limiting ring extends towards the direction of the auxiliary limiting ring to form a second limiting head; the first limiting head is positioned in the first limiting groove, and the second limiting head is positioned in the second limiting groove.

Through adopting above-mentioned technical scheme, the rotating head can drive main spacing ring after rotating and rotate, and first spacing head and connector fixed connection, and establish from the spacing ring grafting is overhead, and main spacing ring drives first spacing head and rotates when with first spacing groove end wall, can drive and rotate from the spacing ring, rotates the position of second spacing groove end wall and second spacing head butt from the spacing ring, because the spacing ring is fixed on handheld handle, follows that spacing ring, main spacing ring, rotating head can't continue the syntropy and rotate, realizes the injecing to rotating head turned angle.

Optionally, the first limiting groove and the second limiting groove have the same arc angle, the arc angle formed by the first limiting groove is 180 degrees to 350 degrees, when the main limiting ring rotates in a single direction, the first limiting head moves to the end wall of the first limiting groove and then drives the secondary limiting ring to move, and the terminal position of the secondary limiting ring moving is the butt joint of the end wall of the second limiting groove and the second limiting head.

Through adopting above-mentioned technical scheme, the rotating head drives main spacing ring after rotating and rotates, and main spacing ring rotates the end wall that first spacing head contradicted first spacing groove to the drive rotates from the spacing ring. When the limiting ring rotates to the second limiting groove and abuts against the second limiting head, the main limiting ring and the rotating head cannot move continuously along the same direction, the purpose of limiting is achieved, and the reverse rotation is the same as the above. The forward and directional rotation ranges are limited by the angle of the arc formed by the first and second limiting grooves.

Optionally, the rotating head includes an assembling end and a rotating end, a rotating groove is formed in a peripheral wall of the assembling end, an installation ring is fixed on the handheld handle, and the installation ring is installed in the rotating groove.

Through adopting above-mentioned technical scheme, the rotating groove of assembly end cooperates with the collar on the handheld handle, and the rotating head realizes rotating with handheld handle and is connected.

Optionally, the second connector orientation the direction of rotating head extends there are two mounting panels, all seted up the mounting hole on the mounting panel, the assembly end is close to the perisporium of main spacing ring be equipped with mounting hole complex installation piece, main spacing ring with during the rotating head equipment, the installation piece is located in the mounting hole.

Through adopting above-mentioned technical scheme, the mounting block is installed in the mounting hole, and main spacing ring realizes being connected with the rotating head. The mounting panel has deformability, and the mounting block is installed in the mounting hole conveniently.

Optionally, one surface of the mounting block, which is far away from the peripheral wall of the mounting end, is an inclined surface, and the inclined surface is inclined in a direction from the central point of the mounting end to the peripheral wall of the rotating end.

Through adopting above-mentioned technical scheme, the setting on inclined plane for the mounting block can be installed in the mounting hole fast.

Optionally, the rotating sleeve includes an inner tube and an outer tube sleeved outside the inner tube, a mounting cavity is arranged in the limiting ring, the plug connector extends into the mounting cavity, a jack is axially formed in the plug connector, the inner tube is connected with the plug connector in an inserting manner, and the plug connector drives the inner tube to rotate after rotating.

By adopting the technical scheme, the plug connector rotates under the action of the rotating head and then drives the inner pipe to rotate.

Optionally, the limiting ring is coaxially and fixedly connected with an installation head, the installation head is provided with a through hole, the through hole is communicated with the installation cavity, and the outer tube is inserted into the through hole.

Through adopting above-mentioned technical scheme, decide the spacing ring and fix on handheld handle, when the inner tube rotated, the outer tube was motionless relatively, reduced patient's misery in the inspection process.

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

1. the main limiting ring, the auxiliary limiting ring and the positioning limiting ring are arranged, so that the effect of limiting the rotating angle of the rotating head can be achieved;

2. the first limiting groove and the second limiting groove form an arc angle, so that the effect of limiting the unidirectional rotation angle of the rotating head by taking the same point as a reference is achieved as the arc angle;

3. through the setting of inner tube and outer tube, when the inner tube rotated, the outer tube was motionless relatively, can play the painful effect of reduction patient's inspection in-process.

Drawings

Fig. 1 is an exploded view of the overall structure of a uterine endoscope in an embodiment of the present application.

Fig. 2 is an exploded view of the rotating sleeve and rotating assembly shown in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals: 1. a handle mechanism; 11. a handle; 111. a first-level handle shell; 1111. a mounting ring; 112. a secondary handle shell; 113. an installation space; 2. a cannula mechanism; 3. rotating the sleeve; 31. an inner tube; 311. a camera; 32. an outer tube; 4. a rotating assembly; 41. rotating the head; 411. a rotating end; 412. an assembly end; 4121. mounting blocks; 4122. a bevel; 413. a rotating groove; 42. a primary stop collar; 421. a connector; 4211. mounting a plate; 4212. mounting holes; 4213. a first stopper; 422. a plug-in connector; 4221. a jack; 43. a secondary stop collar; 431. a first limit groove; 432. a second limit groove; 44. a limiting ring is fixed; 441. a second limiting head; 442. a mounting head; 443. and (7) installing a cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an intrauterine speculum with a limiting structure. Referring to fig. 1, an intrauterine scope having a stopper structure comprises a handle mechanism 1 and an intubation mechanism 2. Handle mechanism 1 includes handheld handle 11, and handheld handle 11 includes one-level handle shell 111 and second grade handle shell 112, and one-level handle shell 111 and second grade handle shell 112 pass through bolt fixed connection, and one-level handle shell 111 and second grade handle shell 112 form installation space 113 after connecting, and intubate mechanism 2 includes rotating sleeve 3 and drive rotating sleeve 3 pivoted rotating assembly 4, and rotating assembly 4 installs in installation space 113. The rotating assembly 4 comprises a rotating head 41, a main limiting ring 42, a secondary limiting ring 43 and a position-limiting ring 44 which are arranged in sequence, the rotating head 41 drives the rotating sleeve 3 to rotate, and the main limiting ring 42, the secondary limiting ring 43 and the position-limiting ring 44 limit the unidirectional rotation range of the rotating sleeve 3 which takes the same position as a reference to be 180-350 degrees.

Referring to fig. 1 and 2, the rotating head 41 includes a rotating end 411 and a mounting end 412, the mounting end 412 extends into the handle 11, a rotating groove 413 is formed on a peripheral wall of the mounting end 412, a mounting ring 1111 is fixed in the handle 11, and the mounting ring 1111 is mounted in the rotating groove 413, so that the rotating head 41 is rotatably connected with the handle 11.

Referring to fig. 3 and 4, the mounting block 4121 is connected to the peripheral wall of the mounting end 412, and the peripheral wall of the mounting block 4121 away from the mounting end 412 is provided with an inclined surface 4122, and the inclined surface 4122 is inclined in a direction from the central axis position of the mounting end 412 to the peripheral wall position of the rotating end 411.

Referring to fig. 3 and 4, the primary limiting ring 42 includes a connection head 421 and a connection plug 422, one end of the connection head 421 away from the connection plug 422 extends toward the direction of the rotating head 41 to form a mounting plate 4211, a mounting hole 4212 is formed in the mounting plate 4211, when the primary limiting ring 42 is connected with the rotating head 41, the mounting block 4121 is located in the mounting hole 4212, and when the rotating head 41 rotates, the primary limiting ring 42 rotates coaxially with the rotating head 41.

Referring to fig. 2 and 3, a jack 4221 is axially arranged on the plug 422, the rotary sleeve 3 comprises an inner tube 31 and an outer tube 32, one end of the inner tube 31 is plugged in the jack 4221, the other end of the inner tube 31 is provided with a camera 311, and the main limit ring 42 rotates to drive the inner tube 31 to rotate, so that the camera 311 can snoop different positions.

Referring to fig. 2 and 3, the plug 422 is sleeved with the limiting ring 43, a first limiting groove 431 and a second limiting groove 432 are formed in the peripheral wall of the limiting ring 43, the first limiting groove 431 and the second limiting groove 432 are arranged in a staggered manner, a first limiting head 4213 extends from the connecting head 421 towards the plug 422, and the first limiting head 4213 is located in the first limiting groove 431. When the connection head 421 rotates with the rotation head 41, the first position-limiting head 4213 rotates to the end wall of the first position-limiting groove 431, and the first position-limiting head 4213 rotates with the position-limiting ring 43.

Referring to fig. 1 and 3, the position-limiting ring 44 is fixed in the handle 11 by a bolt, the second position-limiting head 441 extends from the position-limiting ring 43 toward the position-limiting ring 44, the second position-limiting head 441 is located in the second position-limiting groove 432, and when the position-limiting ring 43 rotates under the action of the first position-limiting head 4213 until the end wall of the second position-limiting groove 432 abuts against the second position-limiting head 441, the position-limiting ring 44 is fixed, so that the position-limiting ring 43 cannot rotate continuously in the same direction, and the rotation angle of the rotary head 41 and the inner tube 31 is limited. The inner tube 31 can be limited to a unidirectional rotation angle of 180 degrees to 360 degrees by using the same point as a reference point, in this embodiment, a scale mark is disposed on the rotating head 41, a start line can be disposed on the handle 11, a radian angle formed by the first limiting groove 431 and the second limiting groove 432 is 220 degrees, and further the unidirectional rotation angle of the rotating head 41 and the inner tube 31 is limited to 220 degrees by using the start line as the reference point.

Referring to fig. 2 and 3, the positioning and limiting ring 44 is connected with a mounting head 442, a mounting cavity 443 is arranged in the positioning and limiting ring 44, the mounting head 442 is axially provided with a through hole which is communicated with the mounting cavity 443, the plug-in connector 422 extends into the mounting cavity 443, the inner tube 31 extends into the mounting cavity 443 from the through hole to be plugged with the plug-in connector 422, the outer tube 32 is plugged with the mounting head 442, the rotating sleeve 3 needs to extend into the uterus through the vagina during the use of the intrauterine endoscope, the rotating head 41 is rotated during the operation process, only the inner tube 31 provided with the camera 311 rotates, the outer tube 32 contacted with the vagina does not rotate, and the injury of the patient caused by the operation is reduced.

The implementation principle of the intrauterine speculum with the limiting structure in the embodiment of the application is as follows: when examining a patient using the hysteroscope, the rotating sleeve 3 is extended from the vagina into the uterus, and the inside of the uterus is probed by the camera 311 on the inner tube 31. In the probing process, when the position of the camera 311 needs to be adjusted, the rotating head 41 is rotated, the rotating head 41 drives the main limiting ring 42 to rotate, and the main limiting ring 42 drives the inner tube 31 to rotate after rotating, so as to adjust the position of the camera 311.

After the main limiting ring 42 rotates, the first limiting head 4213 moves in the first limiting groove 431, the first limiting head 4213 rotates to the end wall of the first limiting groove 431, the secondary limiting ring 43 is pushed to rotate, when the secondary limiting ring 43 rotates to the end wall of the second limiting groove 432 and abuts against the second limiting head 441, the whole rotation angle is 220 degrees, and the rotating head 41 cannot continue to rotate along the same direction. The rotating head 41 can only rotate, and the rotating head 41 rotates back 220 degrees to the initial position and then continues to rotate for 220 degrees, so that the rotating head cannot continue to rotate along the direction by the same principle. In the whole process, the rotating head 41 drives the inner tube 31 to rotate 440 degrees, and the rotating angle of the rotating head 41 is larger than 360 degrees, so that the camera 311 can comprehensively explore the uterus of the patient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An intrauterine speculum with a limiting structure, comprising a handle mechanism (1) and an intubation mechanism (2), the intubation mechanism (2) comprising a rotating sleeve (3), characterized in that: install rotating assembly (4) in handle mechanism (1), rotating assembly (4) are including rotating head (41), main spacing ring (42), follow spacing ring (43) and the spacing ring (44) that arrange in proper order, rotating head (41), main spacing ring (42) and connect gradually from spacing ring (43), spacing ring (44) are fixed on handle mechanism (1), rotating head (41) rotate the back drive swivel sleeve (3) rotate, main spacing ring (42), follow spacing ring (43) and spacing ring (44) cooperation restriction rotating head (41) use the one-way rotation range of same position as the benchmark between 180 degrees to 350 degrees.

2. An intrauterine speculum having a stopper structure according to claim 1, wherein: the handle mechanism (1) comprises a handheld handle (11), the main limiting ring (42) comprises a connector (421) and a plug connector (422) which are coaxial and fixedly connected, the connector (421) is connected with the rotating head (41), and the rotating head (41) rotates to drive the main limiting ring (42) to rotate; the diameter of the connector (421) is larger than that of the plug connector (422), and a first limiting head (4213) extends from the connector (421) towards the plug connector (422); the auxiliary limiting ring (43) is sleeved on the plug-in connector (422), two first limiting grooves and two second limiting grooves (432) which are arranged in a staggered mode are formed in the peripheral wall of the auxiliary limiting ring (43), the auxiliary limiting ring (44) is fixedly connected with the handheld handle (11), and a second limiting head (441) extends towards the auxiliary limiting ring (43) of the auxiliary limiting ring (44); the first limiting head (4213) is positioned in the first limiting groove, and the second limiting head (441) is positioned in the second limiting groove (432).

3. An intrauterine speculum having a stopper structure according to claim 2, wherein: the arc angle formed by the first limiting groove and the second limiting groove (432) is the same, the arc angle formed by the first limiting groove is 180 degrees to 350 degrees, when the main limiting ring (42) rotates in a single direction, the first limiting head (4213) moves to the end wall of the first limiting groove and then drives the auxiliary limiting ring (43) to move, and the end position of the auxiliary limiting ring (43) moving is that the end wall of the second limiting groove (432) is abutted to the second limiting head (441).

4. An intrauterine speculum having a stopper structure according to claim 2, wherein: the rotating head (41) comprises an assembling end (412) and a rotating end (411), a rotating groove (413) is formed in the peripheral wall of the assembling end (412), an installation ring (1111) is fixed on the handheld handle (11), and the installation ring (1111) is installed in the rotating groove (413).

5. An intrauterine speculum having a stopper structure according to claim 4, wherein: the connecting head (421) extends towards the direction of the rotating head (41) to form two mounting plates (4211) with deformation capacity, mounting holes (4212) are formed in the mounting plates (4211), mounting blocks (4121) matched with the mounting holes (4212) are arranged on the peripheral wall, close to the main limiting ring (42), of the assembling end (412), and when the main limiting ring (42) and the rotating head (41) are assembled, the mounting blocks (4121) are located in the mounting holes (4212).

6. An intrauterine speculum having a stopper structure according to claim 5, wherein: one surface of the mounting block (4121) far away from the peripheral wall of the assembling end (412) is an inclined surface (4122), and the inclined surface (4122) inclines in the direction that the central point of the assembling end (412) faces the peripheral wall of the rotating end (411).

7. An intrauterine speculum having a stopper structure according to claim 2, wherein: the rotating sleeve (3) comprises an inner tube (31) and an outer tube (32) sleeved outside the inner tube (31), a mounting cavity (443) is arranged in the limiting ring (44), the plug connector (422) extends into the mounting cavity (443), a jack (4221) is axially formed in the plug connector (422), the inner tube (31) is plugged with the plug connector (422), and the plug connector (422) rotates to drive the inner tube (31) to rotate.

8. An intrauterine speculum having a stopper structure according to claim 7, wherein: the limiting ring (44) is coaxially and fixedly connected with a mounting head (442), a through hole is formed in the mounting head (442), the through hole is communicated with the mounting cavity (443), and the outer pipe (32) is inserted into the through hole.