Sight glass for fixing vaginal wall and increasing visual field

Abstract

The utility model relates to the technical field of medical instruments, and discloses a sight glass for fixing a vaginal wall to enlarge a visual field, which comprises an expander, the outer wall of the expander is provided with a round head, the outer wall of the round head is provided with an extension hole, the inner wall of the expander is sleeved with a silicon rubber layer, and the inner wall of the expander is provided with an extension hole. According to the speculum for fixing the vaginal wall to enlarge the view field, through mutual cooperative use of the inner sleeve, the expansion mechanism, the threaded moving device, the hand controller and the expander on the speculum, when a worker controls the hand controller to rotate, the expansion mechanism can be used for fixing the vaginal wall to enlarge the view field, and the expansion mechanism can be used for fixing the vaginal wall to enlarge the view field. By means of the threaded connection effect of the threaded movable device and the inner sleeve, the threaded movable device pushes the expansion mechanism to move along the outer wall of the inner sleeve, by means of the connection effect of the expansion mechanism and the expanders, the expansion mechanism pushes the two expanders to expand outwards, and then the expansion fixing effect on the vaginal wall is achieved; and the visual field is prevented from being blocked by expansion of the vaginal wall.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a speculum used for fixing a vaginal wall and enlarging a visual field. Background Art

[0002] Silicone rubber is more suitable as a material for endoscopes. This is mainly because silicone rubber has the advantages of no edges and corners, no stimulation to the internal organs of the human body, good medical properties and characteristics suitable for the requirements of industrial endoscope coils.

[0003] When the existing device is in use, the traditional device uses manual pressing to start the expansion of the vaginal wall. When this expansion device is continuously expanding the vaginal wall, it is necessary to hold the expansion device and continue to press hard, which will cause the medical staff to have a higher workload. In addition, when holding the expansion device, it is difficult to avoid the secretions in the vagina from flowing into the inner cavity of the expansion device. Therefore, a speculum for fixing the vaginal wall and increasing the field of view that solves the above problems is needed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a speculum for fixing the vaginal wall to increase the field of view, which has the advantages of strong practicality, extended fixation, and blocking secretions, and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a speculum for fixing the vaginal wall to enlarge the field of view, comprising an expander, the outer wall of the expander is provided with a circular head, the outer wall of the circular head is provided with an extension hole, the inner wall of the expander is sleeved with a silicone rubber layer, the end of the expander away from the circular head is sleeved with an outer wrapping layer, an inner sleeve is placed in the inner cavity of the expander, the outer wall of the inner sleeve is sleeved with an expansion mechanism, the inner wall of the expansion mechanism is movably sleeved with a threaded movable device, the outer wall of the threaded movable device is fixedly equipped with a hand controller, the inner cavity of the inner sleeve is movably sleeved with a hose, the end of the hose away from the hand controller is fixedly connected to a limiting connector, and the end of the limiting connector away from the hose is fixedly equipped with a rod-shaped objective lens.

[0006] As a preferred technical solution of the utility model, the expansion mechanism includes a sleeve tube, the outer wall of the sleeve tube is fixedly connected to a connecting rod, the outer wall of the sleeve tube is movably connected to a transfer rod, and the end of the transfer rod away from the fixed connector is movably connected to the fixed connector.

[0007] As a preferred technical solution of the present invention, the outer wrapping layer is made of rubber material, and the outer wrapping layer changes with the circumference of the expander.

[0008] As a preferred technical solution of the utility model, the number of the expanders is two, and the two expanders are symmetrically arranged up and down, and the silicone rubber layer plays a connecting effect between the two expanders.

[0009] As a preferred technical solution of the utility model, one end of the inner sleeve away from the hand controller overlaps the inner wall of the circular head, and the inner sleeve is connected to the inner wall of the expander through an expansion mechanism.

[0010] As a preferred technical solution of the utility model, the inner wall of the threaded movable device is threadedly connected to the outer wall of the inner sleeve, and the threaded movable device is rotated and pushed by a hand controller to approach the expansion mechanism.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The endoscope for fixing the vaginal wall and enlarging the field of vision is used by the inner sleeve, the expansion mechanism, the threaded movable device, the hand controller and the expander on the device in coordination with each other, so that when the staff controls the hand controller to rotate, the threaded connection effect of the threaded movable device and the inner sleeve is utilized to make the threaded movable device push the expansion mechanism to move along the outer wall of the inner sleeve, and the connection effect of the expansion mechanism and the expander is utilized to make the expansion mechanism push the two expanders to expand outward, thereby achieving the expansion and fixing effect of the vaginal wall and avoiding the bulging of the vaginal wall to block the field of vision.

[0013] 2. The speculum for fixing the vaginal wall to enlarge the field of view cooperates with the expander and the silicone rubber layer on the device so that when the two expanders on the device undergo circumferential expansion, the two expanders are connected by the silicone rubber layer provided in the inner cavities of the two expanders, so that the two expanders on the device will not be separated from each other, and the silicone rubber layer is used to block the secretions appearing on the outer wall surface of the expander, thereby preventing the secretions from flowing into the inner cavity of the expander. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the inner sleeve of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the expansion device of the utility model;

[0018] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: 1. expander; 2. round head; 3. extension hole; 4. silicone rubber layer; 5. outer wrapping layer; 6. inner sleeve; 7. expansion mechanism; 701. sleeve tube; 702. connecting rod; 703. transmission rod; 704. fixed connector; 8. threaded movable device; 9. hand controller; 10. hose; 11. limit connector; 12. rod-shaped objective lens. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 A speculum for fixing the vaginal wall to enlarge the field of vision comprises an expander 1, the outer wall of the expander 1 is provided with a round head 2, the outer wall of the round head 2 is provided with an extension hole 3, the inner wall of the expander 1 is sleeved with a silicone rubber layer 4, the end of the expander 1 away from the round head 2 is sleeved with an outer wrapping layer 5, an inner sleeve 6 is placed in the inner cavity of the expander 1, the outer wall of the inner sleeve 6 is sleeved with an expansion mechanism 7, the inner wall of the expansion mechanism 7 is movably sleeved with a threaded movable device 8, the outer wall of the threaded movable device 8 is fixedly equipped with a hand controller 9, the inner sleeve 6 is movably sleeved with a hose 10, and one end of the hose 10 away from the hand controller 9 is fixedly connected to a limit connector 11, and one end of the limit connector 11 away from the hose 10 is fixedly equipped with a rod-shaped objective lens 12. The circumference of the upper limit connector 11 on the device is larger than the diameter of the extension hole 3, so that when the rod-shaped objective lens 12 on the device approaches or penetrates into the patient's cervical opening, the outer wall of the upper limit connector 11 on the device contacts the inner wall of the extension hole 3, so that the rod-shaped objective lens 12 on the device reaches the maximum penetration.

[0022] In a preferred embodiment, the expansion mechanism 7 includes a socket tube 701, the outer wall of the socket tube 701 is fixedly connected to a connecting rod 702, the outer wall of the socket tube 701 is movably connected to a transfer rod 703, and the end of the transfer rod 703 away from the fixed connector 704 is movably connected to the fixed connector 704. The socket tube 701 on the device is connected to another socket tube 701 through the connecting rod 702, so that when the threaded movable device 8 on the device pushes the socket tube 701, the transfer rod 703 is used to transmit the driving force to the fixed connector 704, and the connection between the fixed connector 704 and the inner wall of the expander 1 is used to transmit the driving force obtained by the expansion mechanism 7 to the inner wall of the expander 1.

[0023] In a preferred embodiment, the outer wrapping layer 5 is made of rubber material, and the outer wrapping layer 5 changes with the circumference of the expander 1. By virtue of the characteristic that the outer wrapping layer 5 on the device is made of rubber material, when the expander 1 on the device expands outward under the push of the expansion mechanism 7, the softness of the outer wrapping layer 5 is utilized, so that the outer wrapping layer 5 on the device changes with the circumference of the expander 1.

[0024] In a preferred embodiment, there are two expanders 1, and the two expanders 1 are symmetrically arranged up and down, and the silicone rubber layer 4 serves as a connection between the two expanders 1. Through the two expanders 1 on the device, when the two expanders 1 on the device undergo circumferential expansion, the two expanders 1 are connected by using the silicone rubber layer 4 provided in the inner cavities of the two expanders 1, so that the two expanders 1 on the device will not be separated from each other, and the silicone rubber layer 4 is used to block the secretions appearing on the outer wall surface of the expander 1, thereby preventing the secretions from flowing into the inner cavity of the expander 1.

[0025] In a preferred embodiment, the end of the inner sleeve 6 away from the hand controller 9 overlaps the inner wall of the circular head 2, and the inner sleeve 6 is connected to the inner wall of the expander 1 through the expansion mechanism 7. The end of the inner sleeve 6 on the device away from the hand controller 9 overlaps the inner wall of the circular head 2, so that the inner sleeve 6 on the device is arranged in the inner cavity of the expander 1 under the sleeve action of the expansion mechanism 7 and the threaded movable device 8, and the outer wall of the inner sleeve 6 is in contact with the inner wall of the circular head 2, so that the penetration length of the inner sleeve 6 presents a maximum value, and the expansion mechanism 7 is used to transmit the driving force obtained by the outer wall of the inner sleeve 6 to the expander 1, so that the inner sleeve 6 on the device can maintain the maximum depth, and then the threaded movable device 8 and the expansion mechanism 7 can move on the outer wall of the inner sleeve 6.

[0026] In a preferred embodiment, the inner wall of the threaded movable device 8 is threadedly connected to the outer wall of the inner sleeve 6, and the threaded movable device 8 is rotated and pushed toward the expansion mechanism 7 by the hand controller 9. The inner wall of the threaded movable device 8 on the device is threadedly connected to the outer wall of the inner sleeve 6, so that when the threaded movable device 8 on the device is rotated by the hand controller 9 extending to the outside, the threaded movable device 8 is pushed toward the direction of the expansion mechanism 7 by utilizing the threaded connection relationship between the threaded movable device 8 and the inner sleeve 6, so that the expansion mechanism 7 on the device obtains the driving force from the threaded movable device 8.

[0027] The working principle is that the inner sleeve 6, the expansion mechanism 7, the threaded movable device 8, the hand controller 9 and the expander 1 on the device are used in coordination with each other, so that when the staff controls the hand controller 9 to rotate, the threaded connection effect of the threaded movable device 8 and the inner sleeve 6 is utilized to make the threaded movable device 8 push the expansion mechanism 7 to move along the outer wall of the inner sleeve 6, and the connection effect between the expansion mechanism 7 and the expander 1 is utilized, so that the expansion mechanism 7 pushes the two expanders 1 to expand outward, thereby achieving the expansion and fixing effect on the vaginal wall, and avoiding the bulging of the vaginal wall to block the field of vision, and then through the mutual coordination of the expander 1 and the silicone rubber layer 4 on the device, when the two expanders 1 on the device undergo circumferential expansion, the two expanders 1 are connected by the silicone rubber layer 4 provided in the inner cavity of the two expanders 1, so that the two expanders 1 on the device will not be separated from each other, and the silicone rubber layer 4 is used to block the secretions appearing on the outer wall surface of the expander 1, so that the secretions will not flow into the inner cavity of the expander 1.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A speculum for fixing the vaginal wall to enlarge the field of view, comprising an expander (1), characterized in that: The outer wall of the expander (1) is provided with a circular head (2), the outer wall of the circular head (2) is provided with an extension hole (3), the inner wall of the expander (1) is sleeved with a silicone rubber layer (4), the end of the expander (1) away from the circular head (2) is sleeved with an outer wrapping layer (5), an inner sleeve (6) is placed in the inner cavity of the expander (1), the outer wall of the inner sleeve (6) is sleeved with an expansion mechanism (7), the inner wall of the expansion mechanism (7) is movably sleeved with a threaded movable device (8), the outer wall of the threaded movable device (8) is fixedly equipped with a hand controller (9), the inner cavity of the inner sleeve (6) is movably sleeved with a hose (10), the end of the hose (10) away from the hand controller (9) is fixedly connected to a limit connector (11), and the end of the limit connector (11) away from the hose (10) is fixedly equipped with a rod-shaped objective lens (12).

2. A speculum for fixing the vaginal wall to increase the field of view according to claim 1, characterized in that: The expansion mechanism (7) comprises a sleeve (701), the outer wall of the sleeve (701) is fixedly connected to a connecting rod (702), the outer wall of the sleeve (701) is movably connected to a transmission rod (703), and one end of the transmission rod (703) away from the fixed connector (704) is movably connected to the fixed connector (704).

3. A speculum for fixing the vaginal wall to enlarge the field of view according to claim 1, characterized in that: The outer wrapping layer (5) is made of a rubber material, and the outer wrapping layer (5) changes with the circumference of the expander (1).

4. A speculum for fixing the vaginal wall to enlarge the field of view according to claim 1, characterized in that: The number of the expanders (1) is two, and the two expanders (1) are symmetrically arranged up and down, and the silicone rubber layer (4) plays a connecting effect between the two expanders (1).

5. A speculum for fixing the vaginal wall to enlarge the field of vision according to claim 1, characterized in that: One end of the inner sleeve (6) away from the hand controller (9) overlaps the inner wall of the circular head (2), and the inner sleeve (6) is connected to the inner wall of the expander (1) via an expansion mechanism (7).

6. A speculum for fixing the vaginal wall to enlarge the field of vision according to claim 1, characterized in that: The inner wall of the threaded movable device (8) is threadably connected to the outer wall of the inner sleeve (6), and the threaded movable device (8) is rotated and pushed by the hand controller (9) to approach the expansion mechanism (7).

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