Improved visual painless vaginal speculum

Abstract

The utility model relates to the field of medical instruments, in particular to an improved visual painless vaginal speculum which comprises a duckbilled vaginal speculum body provided with an observation opening, and is characterized in that a clamping assembly is installed on the observation opening and comprises a sliding rod and a clamping device, the sliding rod is connected with the vaginal speculum body in a sliding mode, and the clamping device is connected with the duckbilled vaginal speculum body in a sliding mode. A fixing device used for preventing the sliding rod from sliding is installed on a rod body of the sliding rod. One end of the sliding rod is located outside the observation opening and is not right opposite to the observation opening, the other end of the sliding rod extends to be right opposite to the observation opening, a clamping device used for clamping a B-ultrasonic probe is installed at the other end of the sliding rod, and the clamping device moves in the observation opening under the action of the sliding rod. According to the device, the position of the B-ultrasonic probe can be directly adjusted in the operation process, a vaginal speculum does not need to be repeatedly taken out and put in, adjustment is more accurate, damage and influence on a patient are small, smooth operation is facilitated, and the operation efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, in particular to an improved visual painless vaginal speculum. BACKGROUND

[0002] In the prior art, vaginal ultrasonic detection is a method of placing a probe into the vagina or rectum for ultrasonic diagnosis, which can clearly display the internal organ tissue structure of the female pelvic cavity, and compared with traditional transabdominal ultrasound, it does not need to fill the bladder, and has the characteristics of early and accurate diagnosis for normal and abnormal pregnancy and gynecological diseases. In order to facilitate the ultrasonic detection of the vagina, the prior art often installs an ultrasonic probe on a vaginal speculum, and uses the ultrasonic probe in combination with the vaginal speculum for vaginal ultrasonic detection. During the operation, the probe does not need to be manually held, which is very convenient.

[0003] At present, the way of installing an ultrasonic probe in a vaginal speculum on the market is usually to provide an open slot at the front end of the upper or lower page of the speculum, and then to clamp the ultrasonic probe in the open slot. This installation method greatly limits the examination range of the ultrasonic probe in the vagina, and can only provide one sagittal ultrasonic scanning section during the operation, which cannot be arbitrarily adjusted according to the position of the patient's organs and lesions, causing great inconvenience to the operating surgeon and being not conducive to the success of the operation.

[0004] A vaginal ultrasonic probe assembly is disclosed in Chinese Utility Model Patent No. CN202020713420.5. The vaginal ultrasonic probe assembly of the utility model uses a vaginal dilator to open the vaginal orifice, fixes the ultrasonic probe in the vaginal dilator and enables it to observe the inside of the vagina at 360 degrees without dead angles. However, the vaginal ultrasonic probe assembly cannot adjust and fix the ultrasonic probe at the position as needed during use, and adjustment can only be made after the entire assembly is taken out of the vagina. External adjustment may not be able to adjust to the desired position, so repeated taking out and putting in are required, which causes the patient to suffer multiple pains, affects the patient's mentality, and has a great impact on the treatment effect and success rate. UTILITY MODEL CONTENTS

[0005] In view of the above, it is necessary to provide an improved visual painless vaginal speculum. The device can directly adjust the position of the B-ultrasound probe during the operation, does not need to repeatedly take out and put in the vaginal speculum, is more accurate in adjustment, causes less harm and impact to the patient, is conducive to the smooth progress of the operation, and can improve the operation efficiency.

[0006] In order to achieve the above object, the utility model adopts the technical scheme of: including duckbill type female speculum body, the female speculum body has the observation port, the observation port is installed with the clamping assembly, the clamping assembly includes the slide and clamping device, the slide is slidably connected female speculum body, and the fixed device for preventing the slide from sliding is installed on its rod body, one end of the slide is located outside the observation port and is not perpendicular to the observation port, and the other end extends to the observation port, and the clamping device for clamping the B ultrasonic probe is installed on the other end, and the clamping device is moved in the observation port under the action of the slide.

[0007] Further, the female speculum body is provided with a sliding groove on one side of the observation port, and the slide is slidably installed on the female speculum body through the sliding groove; the fixed device includes a fixed sleeve and a fixed block, the slide is movably inserted into the fixed sleeve, and the slide is slidably installed on the sliding groove through the fixed sleeve, one end of the fixed sleeve is located in the observation port, and the outer diameter of the one end is greater than the groove width of the sliding groove; the other end of the fixed sleeve is movably inserted into the sliding groove, and two or more clamping blocks are spaced apart on the end portion of the other end, the clamping blocks are arranged around the center line of the fixed sleeve hole, and the thickness of each clamping block gradually decreases from one end to the other end of the fixed sleeve; the fixed block is a hollow tubular structure, the inside of the fixed block has a threaded section, a locking section and a through hole for the slide to pass through, the fixed block is threadedly connected to the fixed sleeve through the threaded section, the locking section is located between the threaded section and the through hole, the locking section is in the shape of a gradually tapered horn, the end of the horn opening with a larger opening is connected to the threaded section, and the locking section compresses the clamping blocks to shrink towards the center of the slide when the threaded section threadedly connects the fixed block to the fixed block to clamp and fix the slide.

[0008] Further, the outer surface of the fixed block is provided with an anti-skid structure.

[0009] Further, the lamp holder mounting block is slidably connected to the female speculum body at one end and opposite the observation port at the other end, a lamp holder is mounted on the other end, and an illuminating lamp is mounted on the lamp holder and located in the observation port.

[0010] Further, a placement groove for placing the lamp holder mounting block is formed in the upper handle of the female speculum body, and the end of the lamp holder mounting block without the lamp holder is located in the placement groove and slidably connected to the placement groove, and the illuminating lamp is located outside the placement groove.

[0011] Further, the lamp holder mounting block is mounted with an operating rod on one end in the placing groove for operating the lamp holder mounting block to slide along the placing groove, an operating groove is formed on one side of the upper handle, the operating groove is communicated with the placing groove, and one end of the operating rod not connected with the lamp holder mounting block extends to the outside of the upper handle through the operating groove.

[0012] Further, the lamp holder is mounted on the lamp holder mounting block through a first universal joint.

[0013] Further, the clamping device is detachably connected with the sliding rod, and the sliding rod is detachably connected with the speculum body.

[0014] Further, the sliding rod is fixedly mounted with a mounting seat on one end in the observation opening, the mounting seat is rotatably mounted with a second universal joint, and the clamping device is mounted on the mounting seat through the second universal joint.

[0015] Further, the mounting seat is detachably connected with the sliding rod, and the sliding rod is detachably connected with the speculum body.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1、 the utility model discloses a kind of B ultrasonic probe position adjusting devices, including speculum body, sliding rod, clamping device, the sliding rod is movably connected on one side of the observation opening of the speculum body, and the clamping device is arranged on the sliding rod.

[0018] 2, the utility model discloses through the cooperation of the lighting lamp and B ultrasonic probe, can make medical staff when working, more directly clear observation the condition of vaginal wall, can improve the work efficiency of medical staff, also can improve the accuracy of medical staff to patient's illness judgment, the utility model discloses the lamp holder mounting block of sliding installation on lower handle and the lighting lamp of installation on the lamp holder mounting block, make the lighting lamp can according to the need of illumination, with the sliding of lamp holder mounting block and be located at the different position of observation port, make the illumination position more have pertinence. In addition, through the mode of setting first universal joint on the lamp holder mounting block, the illumination angle of lighting lamp can also be adjusted, thereby having more wide illumination range.

[0019] 3, the utility model discloses through the mode of installing second universal joint on the sliding rod, make the clamping device can rotate with the rotation of second universal joint, thereby drive the B ultrasonic probe that it clamps and rotate, make the B ultrasonic probe's movable range more wide, can adjust the rotation angle of B ultrasonic probe according to the organ and the lesion position of patient, thereby obtain more accurate ultrasonic scanning section. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view of the utility model embodiment 1.

[0021] Figure 2 It is the perspective view of the utility model embodiment 1.

[0022] Figure 3 It is the perspective view of the utility model embodiment 1 after hiding lower expansion plate.

[0023] Figure 4 It is the front view of the utility model embodiment 2.

[0024] Figure 5 It is Figure 4 Sectional view along A-A, it is also the structure diagram of fixed device and locking piece.

[0025] Figure 6 It is the perspective view of the utility model embodiment 2.

[0026] MAIN ELEMENT SYMBOL EXPLANATION

[0027] In the drawing: 1-upper duckbill, 2-upper handle, 3-lower duckbill, 4-lower handle,

[0028] 21-observation port, 211-sliding slot, 212-sliding rod, 213-fixing sleeve, 2131-clamping block, 214-fixing block, 2141-threaded section, 2142-locking section, 2143-through hole, 2144-anti-slip structure,

[0029] 22-clamping device, 221-B ultrasonic probe,

[0030] 23- placement slot, 231- lamp holder mounting block, 2311- first spherical groove, 2312- first universal joint, 2313- lamp holder, 2314- illuminating lamp, 2315- operating rod, 2316- operating slot,

[0031] 24- mounting seat, 241- second universal joint, 242- second spherical groove, 243- accommodating cavity, 244- locking block, 2441- spherical cavity, 245- compression spring.

[0032] The following specific embodiments will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0033] Example 1

[0034] Please refer to Figures 1-3 and Figure 5In a preferred embodiment of the utility model, a kind of improved visual painless vaginal speculum, including duckbill type vagina speculum body, the vagina speculum body has observation port, specifically, the vagina speculum body includes upper expansion plate and lower expansion plate, the upper expansion plate and lower expansion plate are hinged, the upper expansion plate includes upper duckbill 1 and upper handle 2, the upper duckbill 1 and upper handle 2 are integrally formed structure, and the upper handle 2 is close to corner and is provided with observation port 21;The lower expansion plate includes lower duckbill 3 and lower handle 4, and the lower duckbill 3 and lower handle 4 are integrally formed structure.Further, the observation port 21 is installed with clamping assembly, and the clamping assembly includes slide rod 212 and clamping device 22, the slide rod 212 is slidably connected with the vagina speculum body, and fixing device for preventing the slide rod 212 from sliding is installed on its rod body;One end of the slide rod 212 is located outside observation port 21 and is not opposite to the observation port 21, and the other end extends to opposite observation port 21, and the other end is installed with clamping device 22 for clamping B-ultrasonic probe, and the clamping device 22 is moved in the observation port 21 under the action of slide rod 212.By adjusting the slide of slide rod 212 on the vagina speculum body, so that the clamping device 22 on the slide rod 212 can adjust its corresponding position with the movement of slide rod 212, when needing to adjust the position of B-ultrasonic probe 221, just need to adjust the slide rod 212 to slide along the vagina speculum body to specific position and then adjust the fixing device to be fixed.Preferably, the speculum body is provided with a sliding groove 211 on one side of the observation port 21, and the sliding rod 212 is slidingly installed on the speculum body through the sliding groove 211; the fixing device comprises a fixing sleeve 213 and a fixing block 214, the sliding rod 212 is movably inserted into the fixing sleeve 213, which is slidingly installed on the sliding groove 211, and one end of the fixing sleeve 213 is located in the observation port 21, and the outer diameter of the one end is greater than the groove width of the sliding groove 211; the other end of the fixing sleeve 213 is movably inserted into the sliding groove 211, and more than two clamping blocks 2131 are arranged on the other end in an interval; the clamping blocks 2131 are arranged around the center line of the hole of the fixing sleeve 213, and the thickness of each clamping block 2131 gradually decreases from one end to the other end; the fixing block 214 is a hollow tubular structure, and the inside of the fixing block 214 has a threaded section 2141, a locking section 2142 and a through hole 2143 for the sliding rod 212 in sequence; the fixing block 214 is threadedly connected to the fixing sleeve 213 through the threaded section 2141, and the locking section 2142 is located between the threaded section 2141 and the through hole 2143; the locking section 2142 is in the shape of a gradually tapered horn, and the end with a larger horn opening is connected to the threaded section 2141; when the threaded section 2141 threadedly connects the fixing block 214, the locking section 2142 compresses the clamping blocks 2131 to shrink towards the center of the sliding rod 212 to clamp and fix the sliding rod 212. When the moving position of the sliding rod 212 needs to be adjusted, the fixing block 214 can be rotated to disconnect the connection between the fixing block 214 and the fixing sleeve 213, so that the fixing of the sliding rod 212 can be released, and the sliding rod 212 and the fixing sleeve 213 can be moved at will; after the sliding rod 212 is adjusted to a certain position, the fixing sleeve 213 is adjusted to abut against the inner wall of the observation port 21, and then the fixing block 214 is rotated to threadedly connect the fixing sleeve 213 through the threaded section 2141 and abut against the outer wall of the observation port 21; the fixing block 214 and the fixing sleeve 213 abut against the inner and outer sides of the observation port 21 respectively, so that the sliding rod 212 cannot slide along the sliding groove 211 in the length direction of the observation port 21; because the locking section 2142 compresses the clamping blocks 2131 to shrink towards the center of the sliding rod 212 to clamp and fix the sliding rod 212 when the threaded section 2141 threadedly connects the fixing block 214, the sliding rod 212 also cannot move along the width of the observation port 21, so that the sliding rod 212 can be fixed at a certain position. In addition, the outer surface of the fixing block 214 is provided with an anti-skid structure 2144 to enhance the friction between the hand and the fixing block 214 and prevent the hand from slipping when rotating.

[0035] Preferably, the clamping device 22 is detachably connected to the slide rod 212, and the slide rod 212 is detachably connected to the speculum body. Specifically, the clamping device 22 can be detachably connected to the slide rod 212 by threaded connection, or other detachable connection modes can be selected according to actual conditions. If the B-ultrasound probe 221 is not needed for a certain examination, the clamping device 22 can be detached from the slide rod 212, and then the slide rod 212 can be removed from the speculum body, so as not to hinder the performance of other work.

[0036] Preferably, a lamp holder mounting block 231 is mounted on the upper handle 2 of the speculum body. One end of the lamp holder mounting block 231 is slidably connected to the speculum body, and the other end of the lamp holder mounting block 231 is opposite to the observation port 21. A lamp holder 2313 is mounted on the other end of the lamp holder mounting block 231, and a lighting lamp 2314 is mounted on the lamp holder 2313. The lighting lamp 2314 is located in the observation port 21. The lighting lamp 2314 can be an LED light source or other light source that can illuminate, which can be selected by those skilled in the art according to actual conditions. When the position of illumination needs to be adjusted, the sliding of the lamp holder mounting block 231 on the upper handle 2 can be adjusted, so as to drive the lamp holder 2313 to move in the observation port 21, thereby driving the lighting lamp 2314 to move, so that the lighting lamp 2314 can more accurately irradiate the position to be observed. By using the lighting lamp 2314 and the B-ultrasound probe 221 together, medical staff can more directly and clearly observe the condition of the vaginal wall during work, which can improve the work efficiency of medical staff and the accuracy of medical staff in judging the patient's condition. More preferably, a placement groove 23 for placing the lamp holder mounting block 231 is formed in the upper handle 2 of the speculum body. The end of the lamp holder mounting block 231, which is not mounted with the lamp holder 2313, is located in the placement groove 23 and is slidably connected to the placement groove 23. The lighting lamp 2314 is located outside the placement groove 23. The lamp holder mounting block 231 is mounted in the placement groove 23 and is not directly mounted on the surface of the speculum body, so as not to hinder the use of the speculum body. In addition, an operating rod 2315 for operating the lamp holder mounting block 231 to slide along the placement groove 23 is mounted on the end of the lamp holder mounting block 231 located in the placement groove 23. An operating groove 2316 is formed in one side surface of the upper handle 2 and is in communication with the placement groove 23. The end of the operating rod 2315, which is not connected to the lamp holder 2313, extends to the outside of the upper handle 2 through the operating groove 2316. The sliding of the operating rod 2315 on the operating groove 2316 can be adjusted, so as to drive the lamp holder mounting block 231 to slide in the placement groove 23, which is more convenient for adjusting the sliding of the lamp holder mounting block 231 in the placement groove 23.

[0037] More preferably, the lamp holder 2313 is mounted on the lamp holder mounting block 231 through the first universal joint 2312. The specific mounting manner is not the improvement point of the present application, and those skilled in the art can adopt the existing manner to mount, for example, the lamp holder 2313 can be mounted on the lamp holder mounting block 231 through the first universal joint 2312 in the following structure: the lamp holder mounting block 231 is provided with a first spherical groove 2311 on one end outside the placing groove 23, the first universal joint 2312 is rotatably mounted in the first spherical groove 2311, a damping pad for increasing friction is arranged inside the first spherical groove 2311, the damping pad is located between the spherical groove wall and the first universal joint 2312; the lamp holder 2313 is mounted on one end outside the first spherical groove 2311 of the first universal joint 2312. Under the action of the first universal joint 2312, the angle of the lamp holder 2313 can be rotated to adjust the illumination angle of the illuminating lamp 2314, thereby having a wider illumination range, and the damping pad can increase the friction between the first universal joint 2312 and the inner wall of the first spherical groove 2311 for positioning after the rotation of the lamp holder 2313, so as to facilitate the normal use of the illuminating lamp 2314.

[0038] Embodiment 2

[0039] The difference between the present embodiment and embodiment 1 is only that the clamping device 22 of the present embodiment is connected with the slide rod 212 through the second universal joint 241, and the specific connection manner is as follows, and the other structures not mentioned are consistent with those of embodiment 1, which will not be described here.

[0040] Please refer to Figures 4-6In the embodiment, the slide rod 212 is fixedly installed with a mounting base 24 on one end in the observation port 21, the second universal joint 241 is rotatably installed on the mounting base 24, and the clamping device 22 is installed on the mounting base 24 through the second universal joint 241. The clamping device 22 can rotate with the rotation of the second universal joint 241, thereby driving the clamped B-ultrasound probe 221 to rotate, so that the activity range of the B-ultrasound probe 221 is wider, the rotation angle of the B-ultrasound probe 221 can be adjusted according to the organ and lesion position of the patient, and a more accurate ultrasound scanning section can be obtained. It should be noted that the universal joint is self-locked, and the current state is maintained without touching after adjustment. The self-locking structure is not the improvement point of the present application, and the prior art can be used, for example, the following structure can be used to realize self-locking: a second spherical groove 242 is formed on the mounting base 24, and a slot is formed on one side surface thereof, the second universal joint 241 is movably accommodated in the second spherical groove 242, and the side of the second universal joint 241 on which the clamping device 22 is installed is stretched out of the second spherical groove 242 through the slot; a containing cavity 243 for containing the locking piece is formed in the mounting base 24, and the containing cavity 243 is communicated with the second spherical groove 242; the locking piece comprises a locking block 244 and a compression spring 245, the locking block 244 has a spherical cavity 245 on one end surface, the spherical cavity 245 is matched with the second universal joint 241, one end of the compression spring 245 is connected to the other end surface of the locking block 244, and the other end of the compression spring 245 is connected to the cavity wall of the containing cavity 243; when the compression spring 245 is in a natural state, the spherical cavity 245 abuts against the second universal joint 241 under the elastic restoring force of the compression spring 245, the second universal joint 241 is in a locked state under the clamping of the locking block 244 and the slot wall of the second spherical groove 242; and under the driving of external force sufficient to overcome the elastic restoring force of the compression spring 245, the second universal joint 241 can be arbitrarily rotated in the second spherical groove 242. Since the compression of the second universal joint 241 is realized by relying on the pre-tightening force of the compression spring 245, and the compression spring 245 has a certain stretching function, under the driving of external force sufficient to overcome the elastic restoring force of the compression spring 245, the second universal joint 241 can be arbitrarily rotated in the second spherical groove 242, that is, when it is necessary to adjust the rotation direction of the second universal joint 241, only a larger external force is needed to drive the second universal joint 241, so that the purpose of arbitrary direction rotation can be easily achieved, thereby facilitating the user to operate the second universal joint 241 more easily.In addition, the mounting seat 24 is provided with a plurality of accommodation cavities 243, the plurality of accommodation cavities 243 are arranged in the radial direction of the second universal joint 241 without mounting the clamping device 22, and one locking piece is arranged in each accommodation cavity 243, so that the second universal joint 241 is locked from multiple directions, and the locking of the second universal joint 241 is more stable.

[0041] In addition, the mounting seat 24 is detachably connected with the sliding rod 212, the sliding rod 212 is detachably connected with the speculum body, specifically, the mounting seat 24 can be detachably connected with the sliding rod 212 in a threaded connection mode, or other detachable connection modes can be selected according to actual conditions, when the B-ultrasound probe 221 is not needed for inspection, the mounting seat 24 can be detached from the sliding rod 212, and then the sliding rod 212 is removed from the speculum body, so that other work can be carried out without being affected.

[0042] The above description is a detailed description of the preferred and feasible embodiments of the utility model, but the embodiments are not used to limit the patent application range of the utility model, and any equivalent changes or modified changes completed under the technical spirit of the utility model should belong to the patent range covered by the utility model.

Claims

1. An improved visual painless vaginal speculum comprising a duckbill vaginal speculum body having a viewing port, characterised in that: The observation port is provided with a clamping assembly, which comprises a slide rod and a clamping device. The slide rod is slidably connected to the speculum body, and a fixing device is arranged on the rod to prevent the slide rod from sliding. One end of the slide rod is located outside the observation port and is not directly opposite to the observation port, and the other end extends to be directly opposite to the observation port and is provided with a clamping device for clamping the B-ultrasound probe. The clamping device is movable in the observation port under the action of the slide rod.

2. The improved visual painless vaginal speculum as claimed in claim 1, wherein: The speculum body is provided with a sliding groove on one side of the observation port, and the slide rod is slidably arranged in the speculum body through the sliding groove. The fixing device comprises a fixing sleeve and a fixing block. The slide rod is movably inserted into the fixing sleeve, and is slidably arranged in the sliding groove through the fixing sleeve. One end of the fixing sleeve is located in the observation port, and the outer diameter of the one end is greater than the groove width of the sliding groove. The other end of the fixing sleeve is movably arranged in the sliding groove, and two or more clamping blocks are arranged on the end portion of the other end in a spaced manner. The clamping blocks are arranged around the center line of the hole of the fixing sleeve. The thickness of each clamping block gradually decreases from one end to the other end of the fixing sleeve. The fixing block is a hollow tubular structure. The inside of the fixing block is provided with a threaded section, a locking section and a through hole for the slide rod in sequence. The fixing block is threadedly connected to the fixing sleeve through the threaded section. The locking section is located between the threaded section and the through hole. The locking section is in the shape of a gradually tapered horn. The horn opening of the one end of the locking section is connected to the threaded section. When the threaded section is threadedly connected to the fixing block, the locking section compresses the clamping blocks to shrink towards the center of the slide rod to clamp and fix the slide rod.

3. The improved visual painless vaginal speculum as claimed in claim 2, wherein: The outer surface of the fixing block is provided with an anti-skid structure.

4. The improved visual painless vaginal speculum as claimed in claim 1 wherein: A lamp holder mounting block is mounted on the upper handle of the speculum body. One end of the lamp holder mounting block is slidably connected to the speculum body, and the other end is directly opposite to the observation port. A lamp holder is mounted on the other end. A lighting lamp is mounted on the lamp holder, and the lighting lamp is located in the observation port.

5. The improved visual painless vaginal speculum as claimed in claim 4, wherein: A placing groove for placing the lamp holder mounting block is formed in the upper handle of the speculum body. The end of the lamp holder mounting block, which is not provided with the lamp holder, is located in the placing groove and is slidably connected to the placing groove. The lighting lamp is located outside the placing groove.

6. The improved visual painless vaginal speculum as claimed in claim 5 wherein: An operating rod is mounted on the end of the lamp holder mounting block located in the placing groove, and is used for operating the lamp holder mounting block to slide along the placing groove. An operating groove is formed in one side of the upper handle, and is in communication with the placing groove. The end of the operating rod, which is not connected to the lamp holder mounting block, extends to the outside of the upper handle through the operating groove.

7. The improved visual painless vaginal speculum as claimed in claim 4 wherein: The lamp holder is mounted on the lamp holder mounting block through a first universal joint.

8. The improved visual painless vaginal speculum as claimed in claim 1 wherein: The clamping device is detachably connected to the slide rod, and the slide rod is detachably connected to the speculum body.

9. The improved visual painless vaginal speculum as claimed in claim 1 wherein: An installation seat is fixedly mounted on one end of the slide rod located in the observation port. A second universal joint is rotatably mounted on the installation seat. The clamping device is mounted on the installation seat through the second universal joint.

10. The improved visual painless vaginal speculum as claimed in claim 9, wherein: The installation seat is detachably connected to the slide rod, and the slide rod is detachably connected to the speculum body.

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