Hysteroscope

Abstract

The invention discloses a hysteroscope which comprises a handheld part and an insertion part, the handheld part and the insertion part are arranged at a certain angle, the hysteroscope further comprises a rotating assembly, the rotating assembly is connected between the handheld part and the insertion part, an operator can directly pull the handheld part or the insertion part, and the handheld part or the insertion part can be rotated by the rotating assembly. And the angle between the handheld part and the insertion part is adjustable. The angle between the insertion part and the handheld part can be adjusted according to different postures or different focuses of a patient, so that a doctor can operate more simply and conveniently, the efficiency is improved, and the operation fatigue is relieved.

Description

Technical Field

[0001] The present invention relates to the technical field of hysteroscopes, and in particular to a hysteroscope. Background Art

[0002] Hysteroscopy is used for examination and treatment of the uterine cavity. When in use, the lens of the hysteroscope can magnify and observe the parts in the uterine cavity. Surgical instruments can be used to perform surgical operations on the uterine cavity through the hysteroscope.

[0003] The existing handheld part of the hysteroscope is an insertion part and a handheld part that are made into one piece. The angle between the insertion part and the handheld part cannot be adjusted. Due to the different postures and lesions of the patients, the doctor's operating position and technique will be different. The existing hysteroscope can only be operated at a fixed angle and cannot be adjusted at any time. This requires the doctor to adapt to the equipment, the doctor's operation cannot be handy, the efficiency is low, and the doctor is tired during the operation. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a hysteroscope which can adjust the angle between the insertion part and the hand-held part according to the different postures or different lesions of the patient, making the operation easier and more convenient for the doctor, thereby improving efficiency and relieving surgical fatigue.

[0005] The present invention is achieved through the following technical solutions: A hysteroscope comprises a handheld part and an insertion part, wherein the handheld part and the insertion part are arranged at a certain angle. The hysteroscope also comprises a rotating assembly, wherein the rotating assembly is connected between the handheld part and the insertion part. An operator can directly bend the handheld part or the insertion part so that the angle between the handheld part and the insertion part is adjustable.

[0006] Furthermore, the rotating assembly includes a connecting body, a latch and an elastic member, one end of the connecting body is pivotally connected to the hand-held part, and the other end is connected to the insertion part; The latch includes an extended state and a retracted state. When the latch is in the extended state, one end of the latch is engaged with the connecting body; when the latch is in the retracted state, one end of the latch is disengaged from the connecting body. One end of the elastic member abuts against the other end of the latch, and the other end abuts against the hand-held portion.

[0007] Furthermore, the connecting body includes a gear portion, and a plurality of teeth are evenly distributed on the outer peripheral surface of the gear portion, and tooth grooves are formed between adjacent teeth. When the pin is in an extended state, one end of the pin is engaged with the tooth groove to limit the rotation of the connecting body.

[0008] Furthermore, the tooth groove is semicircular, and the latch includes a clamping portion matched with the tooth groove. When the operator directly moves the hand-held portion or the insertion portion to rotate, the clamping portion can automatically detach from the current tooth groove and enter the next tooth groove.

[0009] Furthermore, the clamping portion is hemispherical.

[0010] Furthermore, rotating shafts are protrudingly provided on both sides of the connecting body, and the hand-held part includes a first shell, a fixing groove is provided on the first shell, and the rotating shaft is rotatably arranged in the fixing groove.

[0011] Furthermore, a receiving groove is provided on the first shell, the elastic member is located in the receiving groove, and the other end of the elastic member abuts against the bottom wall forming the receiving groove, the latch can be movably arranged in the receiving groove, and one end of the latch can extend out of the receiving groove and be engaged with the connecting body.

[0012] Furthermore, the rotating assembly also includes a positioning seat, the positioning seat includes a limiting portion, and the latch has a step portion. When the latch is in an extended state, the limiting portion abuts against the step portion.

[0013] Furthermore, the positioning seat also includes a main body, an outer wall of the main body is interference-fitted with an inner wall forming the receiving groove, and the inner wall of the main body is clearance-fitted with the latch.

[0014] Furthermore, a card slot is provided on the outer side of the connecting body, and the insertion part includes a second shell, a plug-in part is formed on the second shell, and the plug-in part has an installation slot matching the connecting body, and a hook is formed on the edge of the installation slot, and the hook is engaged with the card slot.

[0015] Compared with the prior art, the advantages of the present invention are: 1. By setting a rotating component between the handheld part and the insertion part, the operator can directly bend the handheld part or the insertion part to make the angle between the handheld part and the insertion part adjustable. The doctor can adjust the angle between the insertion part and the handheld part according to the different postures of the patient or different lesions, making the doctor's operation simpler and more convenient, improving efficiency and relieving surgical fatigue.

[0016] 2. By setting the plug-in part on the insertion part and the connecting body on the rotating assembly in a card-disassembly relationship, after completing an examination, the medical staff disconnects the connection between the plug-in part and the connecting body, removes the insertion part from the rotating assembly, and then discards the used insertion part, disinfects the handheld part and the rotating assembly for reuse, and connects the new insertion part to the disinfected rotating assembly before the next use, so as to conduct the next examination. In this way, cross infection to the patient can be avoided and the use cost can be saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a hysteroscope; Figure 2 Illustration of some structures of hysteroscope Figure 1 ; Figure 3 Illustration of some structures of hysteroscope Figure 2 ; Figure 4 It is a cross-sectional view of some structures of the hysteroscope; Figure 5 is a schematic diagram of the structure of the insertion part; Figure 6 This is the circuit block diagram of the hysteroscope.

[0018] 100, hand-held part; 110, first shell; 111, fixing groove; 112, storage groove; 200, insertion part; 210, second shell; 211, plug-in part; 212, mounting groove; 213, hook; 214, male terminal; 215, light source; 216, camera; 300, rotating assembly; 310, connecting body; 311, gear part; 312, teeth; 313, tooth groove; 314, rotating shaft; 315, slot; 316, female terminal; 317, circuit board; 318, display device; 320, latch; 321, clamping part; 322, step part; 330, elastic member; 340, positioning seat; 341, limiting part; 342, main body. DETAILED DESCRIPTION

[0019] The following is a further non-restrictive detailed description of the technical solution of the invention in conjunction with the preferred embodiments and the accompanying drawings. In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and cannot be understood as limitations on the present invention.

[0020] like Figure 1-Figure 6 As shown, a hysteroscope according to an embodiment of the present invention comprises a handheld portion 100, an insertion portion 200 and a rotating assembly 300. The handheld portion 100 and the insertion portion 200 are arranged at a certain angle, and the rotating assembly 300 is connected between the handheld portion 100 and the insertion portion 200. The operator can directly bend the handheld portion 100 or the insertion portion 200, so that the angle between the handheld portion 100 and the insertion portion 200 is adjustable. The doctor can adjust the angle between the insertion portion 200 and the handheld portion 100 according to different postures of the patient or different lesions, so that the doctor can operate more simply and conveniently, improve efficiency, and relieve surgical fatigue.

[0021] like Figure 2-Figure 4 As shown, specifically, the rotating assembly 300 includes a connecting body 310, a latch 320 and an elastic member 330, one end of the connecting body 310 is pivotally connected to the hand-held portion 100, and the other end is connected to the insertion portion 200; the latch 320 includes an extended state and a retracted state, when the latch 320 is in the extended state, one end of the latch 320 is engaged with the connecting body 310; when the latch 320 is in the retracted state, one end of the latch 320 is disengaged from the connecting body 310; one end of the elastic member 330 abuts against the other end of the latch 320, and the other end abuts against the hand-held portion 100.

[0022] like Figure 3 As shown, the connecting body 310 includes a gear portion 311, and a plurality of teeth 312 are evenly distributed on the outer peripheral surface of the gear portion 311, and tooth grooves 313 are formed between adjacent teeth 312. When the pin 320 is in an extended state, one end of the pin 320 is matched with the tooth groove 313 to limit the rotation of the connecting body 310.

[0023] The tooth groove 313 is semicircular, and the latch 320 includes a clamping portion 321 matched with the tooth groove 313. When the operator directly turns the handheld part 100 or the insertion part 200 to rotate, the clamping portion 321 can automatically disengage from the current tooth groove 313 and enter the next tooth groove 313, and the angle adjustment between the insertion part 200 and the handheld part 100 can be achieved without setting additional operation buttons. In order to reduce the wear between the clamping portion 321 and the tooth groove 313, in this embodiment, the shape of the clamping portion 321 is adapted to the shape of the tooth groove 313, and specifically, the clamping portion 321 is hemispherical.

[0024] Of course, in another embodiment of the present invention, the state of the latch 320 can also be manually controlled. Specifically, the rotating assembly 300 can also include a slider (not shown in the figure) and a connecting rod (not shown in the figure), one end of the connecting rod is located inside the hand-held part 100 and fixedly connected to the latch 320, and the other end is located outside the hand-held part 100 and fixedly connected to the slider; when the slider is operated to slide, the slider can drive the latch 320 to switch between the extended state and the retracted state through the connecting rod.

[0025] like Figure 4 As shown, the connection body 310 has two sides protruding with rotation shafts 314, and the handheld part 100 includes a first shell 110, and the first shell 110 has a fixing groove 111, and the rotation shaft 314 is rotatably disposed in the fixing groove 111. The connection body 310 rotates around the rotation shaft 314.

[0026] like Figure 4 As shown, a receiving groove 112 is also provided on the first shell 110, the elastic member 330 is located in the receiving groove 112, and the other end of the elastic member 330 abuts against the bottom wall forming the receiving groove 112, the latch 320 can be movably arranged in the receiving groove 112, and one end of the latch 320 can extend out of the receiving groove 112 and be engaged with the connecting body 310.

[0027] like Figure 4 As shown, the rotating assembly 300 further includes a positioning seat 340 , the positioning seat 340 includes a limiting portion 341 , and the latch 320 has a step portion 322 . When the latch 320 is in an extended state, the limiting portion 341 abuts against the step portion 322 .

[0028] The positioning seat 340 further includes a main body 242 , the outer wall of the main body 242 is interference-fitted with the inner wall forming the receiving groove 112 , and the inner wall of the main body 242 is clearance-fitted with the latch 320 .

[0029] like Figure 3 and Figure 5As shown, a card slot 315 is provided on the outer side of the connecting body 310, and the insertion part 200 includes a second shell 210, and a plug-in part 211 is formed on the second shell 210. The plug-in part 211 has an installation groove 212 that matches the connecting body 310, and a hook 213 is formed on the edge of the installation groove 212, and the hook 213 is engaged with the card slot 315.

[0030] like Figure 4-Figure 6 As shown, a male terminal 214 is fixed on the plug-in portion 211, and the male terminal 214 is electrically connected to the light source 215 and the camera 216 in the insertion portion 200. A female terminal 316 is fixed on the connection body 310, and the female terminal 316 is electrically connected to the circuit board 317 in the handheld portion 100. The circuit board 317 is connected to the display device 318 in a wired or wireless manner. When the plug-in portion 211 and the connection body 310 are snapped into place, the male terminal 214 and the female terminal 316 are coupled to each other to achieve electrical conduction. Therefore, by setting the plug-in portion 211 on the insertion portion 200 and the connection body 310 on the rotating assembly 300 in a card-disassembly relationship, after completing an examination, the medical staff disconnects the connection between the plug-in portion 211 and the connection body 310, and removes the insertion portion 200 from the rotating assembly 300, and then discards the used insertion portion 200, and disinfects the handheld portion 100 and the rotating assembly 300 for reuse, and before the next use, connects the new insertion portion 200 with the disinfected rotating assembly 300 to perform the next examination. In this way, cross infection to the patient can be avoided, and the use cost can also be saved.

[0031] Meanwhile, the present invention fixes the liquid inlet tube 400 and the liquid outlet tube 500 on the outside of the handheld part 100. After completing an inspection, the liquid inlet tube 400 and the liquid outlet tube 500 are discarded together.

[0032] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A hysteroscope, comprising a handheld portion (100) and an insertion portion (200), wherein the handheld portion (100) and the insertion portion (200) are arranged at a certain angle, characterized in that: The hysteroscope further comprises a rotating assembly (300), wherein the rotating assembly (300) is connected between the handheld portion (100) and the insertion portion (200), and an operator can directly move the handheld portion (100) or the insertion portion (200) so that the angle between the handheld portion (100) and the insertion portion (200) is adjustable; The rotating assembly (300) comprises a connecting body (310), a latch (320) and an elastic member (330); one end of the connecting body (310) is pivotally connected to the handheld portion (100), and the other end is connected to the insertion portion (200); The latch pin (320) includes an extended state and a retracted state. When the latch pin (320) is in the extended state, one end of the latch pin (320) is engaged with the connecting body (310); when the latch pin (320) is in the retracted state, one end of the latch pin (320) is disengaged from the connecting body (310). One end of the elastic member (330) abuts against the other end of the latch (320), and the other end abuts against the handheld portion (100); The connecting body (310) comprises a gear portion (311), a plurality of teeth (312) are evenly spaced on the outer peripheral surface of the gear portion (311), tooth grooves (313) are formed between adjacent teeth (312), and when the latch (320) is in an extended state, one end of the latch (320) is matched with the tooth groove (313) to limit the rotation of the connecting body (310); The tooth groove (313) is semicircular, and the latch (320) includes a clamping portion (321) matched with the tooth groove (313); when an operator directly moves the hand-held portion (100) or the insertion portion (200) to rotate, the clamping portion (321) can automatically detach from the current tooth groove (313) and enter the next tooth groove (313); The clamping portion (321) is hemispherical.

2. The hysteroscope according to claim 1, characterized in that: Rotating shafts (314) are protrudingly provided on both sides of the connecting body (310); the handheld part (100) comprises a first shell (110); a fixing groove (111) is provided on the first shell (110); and the rotating shaft (314) is rotatably arranged in the fixing groove (111).

3. The hysteroscope according to claim 2, characterized in that: The first shell (110) is also provided with a receiving groove (112), the elastic member (330) is located in the receiving groove (112), and the other end of the elastic member (330) is in contact with a bottom wall forming the receiving groove (112), the latch (320) is movably arranged in the receiving groove (112), and one end of the latch (320) can extend out of the receiving groove (112) and be engaged with the connecting body (310).

4. The hysteroscope according to claim 3, characterized in that: The rotating assembly (300) further comprises a positioning seat (340), the positioning seat (340) comprises a limiting portion (341), the latch (320) has a step portion (322), and when the latch (320) is in an extended state, the limiting portion (341) abuts against the step portion (322).

5. The hysteroscope according to claim 4, characterized in that: The positioning seat (340) further comprises a main body (342), the outer wall of the main body (342) being interference-fitted with the inner wall forming the receiving groove (112), and the inner wall of the main body (342) being clearance-fitted with the latch (320).

6. The hysteroscope according to claim 1, characterized in that: A slot (315) is provided on the outer side of the connecting body (310); the inserting portion (200) comprises a second shell (210); a plug-in portion (211) is formed on the second shell (210); the plug-in portion (211) is provided with a mounting slot (212) matched with the connecting body (310); a hook (213) is formed on the edge of the mounting slot (212); the hook (213) is engaged with the slot (315).

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