Visual urethral dilation device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a visual urethra dilatation device which comprises a urethra probe, the urethra probe is composed of a straight rod portion and a bent rod portion, a plastic sleeve is sleeved on the outer side of the urethra probe, the front end of the bent rod portion is fixedly connected with the inner front end of the plastic sleeve, and a plurality of layers of dilatation outer sheaths are sleeved on the outer side of the urethra probe. The expansion sheath is in sliding contact with the outer side of the urethral probe and slides in the plastic sleeve. According to the urethral dilator, the dilation outer sheaths can be guided through the urethral probe, so that the plurality of layers of dilation outer sheaths correspond to the urethral probe in shape, and the urethra of a patient can be dilated to the required width; and the multiple layers of expansion outer sheaths are all located in the plastic sleeve, so that when the expansion outer sheaths move in the plastic sleeve, the plastic sleeve makes contact with the urethra of the patient, the expansion outer sheaths are prevented from making contact with the urethra of the patient, scraping and pressing on the urethra of the patient are reduced, and the pain of the patient is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a visual urethra dilation device. Background Art

[0002] Urethral stricture is a common disease in urology, and urethral dilation is an important means of examination and treatment. For patients whose urinary tract stricture makes it impossible to insert a catheter, a urethral dilator is used to dilate the narrow section of the patient's urinary tract. Urinary tract dilators are divided into multiple models from thin to thick. When dilating the patient's urinary tract, the doctor will first use a thinner urinary tract dilator. If it can pass through the narrow section of the patient's urinary tract, the model of the urinary tract dilator will be increased in turn to achieve the purpose of dilating the urethra. In this way, the doctor needs to prepare multiple models of urinary tract dilators before dilating the patient's urinary tract, which requires a large storage space, and the urinary tract dilator needs to be inserted and removed from the patient's urinary tract multiple times during the operation, which makes the steps cumbersome, and the multiple insertions and removals of the urinary tract dilator are likely to cause damage to the patient's urinary tract.

[0003] There is a Chinese patent with application number CN202321543366.4, which discloses a stacked urethral dilator. Through the stacked expansion method, the expansion inner core is first inserted into the patient's urethra for preliminary expansion, and then the expansion outer sheath with a successively thicker cross-sectional diameter is gradually put on from the end of the inserted expansion inner core, and then the patient's urethra is gradually expanded. Compared with the prior art, this expansion process saves the repeated removal of the urethral dilator during the replacement of different urethral dilator models. However, the urethral dilator first inserts the expansion inner core, and then puts the expansion outer sheath on the outside of the inserted expansion inner core to achieve the effect of urethral expansion. During the installation process, the newly installed expansion outer sheath will continue to cause scratches and other compression to the entire inner wall of the urethra, increasing the patient's pain. If multiple layers of expansion outer sheaths are to be installed, the patient will suffer multiple times. Therefore, a visual urethral dilation device is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a visual urethral dilation device to overcome the above-mentioned defects in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a visual urethral dilation device, comprising a urethral sounder, the urethral sounder consisting of a straight rod portion and a curved rod portion, the outer side of the urethral sounder is covered with a plastic sleeve, the front end of the curved rod portion is fixedly connected to the inner front end of the plastic sleeve, there is a gap between the outer side of the curved rod portion and the inner side of the plastic sleeve, there is a gap between the outer side of the straight rod portion and the inner side of the plastic sleeve, the outer side of the urethral sounder is covered with several layers of expansion sheaths, the rear end of the urethral sounder is located outside the rear part of the plastic sleeve, each of the expansion sheaths is in sliding contact with the outer side of the urethral sounder, and each of the expansion sheaths slides inside the plastic sleeve.

[0006] Preferably, the urethral sound is made entirely of metal, the tip of the curved rod portion is arc-shaped, and the curvature of the curved rod portion fits the internal structure of the human urinary tract.

[0007] Preferably, the expansion sheath is made of flexible material.

[0008] Preferably, a fixing block is fixedly provided on the outer rear part of the plastic sleeve, an external threaded tube is fixedly provided on the rear end of the fixing block, a limiting cover is slidably provided on the outer rear end of the urethral probe, and the inner side of the limiting cover contacts the outer thread of the external threaded tube.

[0009] Preferably, a miniature camera is installed on the outer side of the fixed connection between one end of the bent rod portion and the inner part of the plastic sleeve, an optical fiber rod is fixed on the fixed block, a display screen is provided on the upper end of the optical fiber rod, and the display screen is connected to the miniature camera circuit.

[0010] Preferably, a fixing plate is fixedly provided on the lower side of the fixing block, and a round rod is fixedly provided on one side of the fixing plate.

[0011] Preferably, a sleeve is sleeved on the outer side of the round rod, and the sleeve is made of a flexible material.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model can first shape the plastic sleeve through the urethral probe, and then wrap the plastic sleeve around the outside of the urethral probe, so that the doctor can smoothly move the urethral probe and the plastic sleeve into the patient's urethra, reduce scraping and compression of the patient's urethra, and reduce the patient's pain.

[0014] 2. The utility model can first guide the expansion sheath through the urethral probe, so that several layers of expansion sheaths correspond to the shape of the urethral probe, so that the patient's urethra can be expanded to a desired width; then, the several layers of expansion sheaths are located in the plastic sleeve, so that when the expansion sheath moves in the plastic sleeve, the plastic sleeve contacts the patient's urethra, avoiding contact between the expansion sheath and the patient's urethra, reducing scraping and pressure on the patient's urethra, and reducing the patient's pain. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the isometric structure of the utility model.

[0017] Figure 2 It is an oblique isometric structural schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the top view structure of the utility model.

[0019] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle.

[0020] In the figure, there are a urethral probe 10, a plastic sleeve 11, an expansion sheath 12, a miniature camera 13, a straight rod 14, a curved rod 15, a fixing block 17, an optical fiber rod 18, a display screen 19, an externally threaded tube 21, a limit cover 22, a fixing plate 23, a round rod 24, and a sleeve 25. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1-4 The utility model provides a technical solution: a visual urethral dilation device, including a urethral sounder 10, the urethral sounder 10 is composed of a straight rod portion 14 and a curved rod portion 15, the outer side of the urethral sounder 10 is sleeved with a plastic sleeve 11, the front end of the curved rod portion 15 is fixedly connected to the inner front end of the plastic sleeve 11, there is a gap between the outer side of the curved rod portion 15 and the inner side of the plastic sleeve 11, there is a gap between the outer side of the straight rod portion 14 and the inner side of the plastic sleeve 11, the outer side of the urethral sounder 10 is sleeved with several layers of dilation outer sheaths 12, the rear end of the urethral sounder 10 is located outside the rear part of the plastic sleeve 11, each dilation outer sheath 12 is in sliding contact with the outer side of the urethral sounder 10, and each dilation outer sheath 12 slides in the plastic sleeve 11.

[0025] Further, such as Figure 1-4 As shown, the urethral sounder 10 is made of metal as a whole, the tip of the curved rod portion 15 is arc-shaped, and the curvature of the curved rod portion 15 fits the internal structure of the human urinary tract.

[0026] Further, such as Figure 4 As shown, the expansion sheath 12 is made of a flexible material.

[0027] Further, such as Figure 1-2 As shown, a fixing block 17 is fixedly provided on the rear outer side of the plastic sleeve 11 , an external threaded tube 21 is fixedly provided on the rear end of the fixing block 17 , and a limiting cover 22 is slidably provided on the rear outer side of the urethral probe 10 , and the inner side of the limiting cover 22 contacts the outer thread of the external threaded tube 21 .

[0028] Further, such as Figure 1-2 As shown, a miniature camera 13 is installed on the outer side of the fixed connection between one end of the bent rod portion 15 and the inside of the plastic sleeve 11, and an optical fiber rod 18 is fixed on the fixing block 17. A display screen 19 is provided on the upper end of the optical fiber rod 18, and the display screen 19 is connected to the miniature camera 13 by line.

[0029] Further, such as Figure 1-2 As shown, a fixing plate 23 is fixedly provided on the lower side of the fixing block 17 , and a round rod 24 is fixedly provided on one side of the fixing plate 23 .

[0030] Further, such as Figure 2 As shown, a sleeve 25 is sleeved on the outer side of the round rod 24, and the sleeve 25 is made of a flexible material.

[0031] When in use, the doctor holds the outer side of the sleeve 25, inserts the urethral probe 10 and the plastic sleeve 11 into the patient's urethra, and uses the micro camera 13 to image the inside of the patient's urethra on the display screen 19, thereby assisting the doctor in understanding the actual condition of the inside of the patient's urethra.

[0032] When the doctor passes the urethral sound 10 and the plastic sleeve 11 through the patient's urethral stricture, the urethral sound 10 and the plastic sleeve 11 stop moving, and the doctor puts the expansion sheath 12 on the outside of the urethral sound 10, and then pushes it into the inside of the plastic sleeve 11, so that the expansion sheath 12 moves between the urethral sound 10 and the plastic sleeve 11, firstly guiding the expansion sheath 12 through the urethral sound 10, and then the expansion sheath 12 is located in the plastic sleeve 11, thereby avoiding the expansion sheath 12 from contacting the patient's urethra, reducing scraping and compression on the patient's urethra, and reducing the patient's pain; the doctor continuously increases the number of layers of the expansion sheath 12 until the patient's urethra is expanded to the desired width. Next, the doctor rotates the limiting cover 22 so that the inner side of the limiting cover 22 contacts the outer thread of the external threaded tube 21. The limiting cover 22 rotates and moves to fully squeeze the several layers of expansion sheaths 12 in the plastic sleeve 11 into the plastic sleeve 11, so as to quickly expand the patient's urethra to the required width.

[0033] Finally, the doctor rotates the limiting cover 22 to separate the limiting cover 22 from the external threaded tube 21, and the doctor first takes out the several layers of expansion sheaths 12 in the plastic sleeve 11, thereby reducing the volume of the plastic sleeve 11, so that the doctor can take out the plastic sleeve 11 and the urethral probe 10 from the patient's urethra.

[0034] Although the 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 limited by the appended claims and their equivalents.

Claims

1. A visual urethral dilation device, comprising a urethral probe (10), wherein the urethral probe (10) is composed of a straight rod portion (14) and a curved rod portion (15), characterized in that: The outer side of the urethral probe (10) is covered with a plastic sleeve (11), the front end of the curved rod portion (15) is fixedly connected to the inner front end of the plastic sleeve (11), there is a gap between the outer side of the curved rod portion (15) and the inner side of the plastic sleeve (11), there is a gap between the outer side of the straight rod portion (14) and the inner side of the plastic sleeve (11), the outer side of the urethral probe (10) is covered with a plurality of layers of expansion sheaths (12), the rear end of the urethral probe (10) is located outside the rear part of the plastic sleeve (11), each of the expansion sheaths (12) is in sliding contact with the outer side of the urethral probe (10), each of the expansion sheaths (12) slides in the plastic sleeve (11), and a miniature camera (13) is installed on the outer side of the fixed connection between the front end of the curved rod portion (15) and the inner side of the plastic sleeve (11).

2. A visual urethral dilation device according to claim 1, characterized in that: The urethral probe (10) is made of metal as a whole, the tip of the curved rod portion (15) is arc-shaped, and the curvature of the curved rod portion (15) fits the internal structure of the human urinary tract.

3. A visual urethral dilation device according to claim 1, characterized in that: The expansion sheath (12) is made of flexible material.

4. A visual urethral dilation device according to claim 1, characterized in that: A fixing block (17) is fixedly provided on the outer side of the rear portion of the plastic sleeve (11), an externally threaded tube (21) is fixedly provided on the rear end of the fixing block (17), and a limiting cover (22) is slidably provided on the outer side of the rear end of the urethral probe (10), the inner side of the limiting cover (22) is in contact with the outer thread of the externally threaded tube (21).

5. A visual urethral dilation device according to claim 4, characterized in that: An optical fiber rod (18) is fixedly provided on the fixed block (17), a display screen (19) is provided at the upper end of the optical fiber rod (18), and the display screen (19) is connected to the micro camera (13) circuit.

6. A visual urethral dilation device according to claim 4, characterized in that: A fixing plate (23) is fixedly provided on the lower side of the fixing block (17), and a round rod (24) is fixedly provided on one side of the fixing plate (23).

7. A visual urethral dilation device according to claim 6, characterized in that: The outer side of the round rod (24) is sleeved with a sleeve (25), and the sleeve (25) is made of a flexible material.

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