Transurethral bladder sheath

Abstract

The invention relates to the technical field of medical instruments for urinary surgery, in particular to a transurethral bladder sheath. The transurethral bladder sheath is composed of a transurethral bladder sheath body, a bladder sheath outer pipe body, a movable bladder sheath inner core head, a bladder sheath inner pipeline, a movable bladder sheath inner core rod, a bladder sheath pipe check ring, a negative pressure suction water outlet pipeline and a movable transurethral bladder sheath rear cover. The bladder sheath is characterized in that a hollow negative pressure suction water outlet pipeline with an included angle of 60 degrees is arranged between the lower portion of the left front portion of the bladder sheath tube check ring and the horizontal transurethral bladder sheath body, and the negative pressure suction water outlet pipeline is communicated with the bladder sheath inner pipeline. Due to the adoption of the negative pressure suction water outlet pipeline, the transurethral bladder sheath can realize sustainable perfusion, negative pressure suction and waste liquid discharge and complete self-control perfusion during an operation, ensures safe internal pressure of a bladder cavity, keeps a clear view in the whole process of the operation, improves the lithotripsy efficiency, effectively simplifies the operation, relieves the operation fatigue, improves the efficiency and shortens the operation time; and the operation of a patient is safer.

Description

Technical Field

[0001] The present invention relates to the technical field of urological surgical medical instruments, in particular to a transurethral bladder sheath. Background Art

[0002] Bladder stones are a common urological condition, and transurethral ureteroscopic lithotripsy is the most common treatment. Traditional transurethral ureteroscopic injection and drainage systems share a single channel, preventing continuous water circulation at the front end of the scope. During surgery, lithotripsy dust interferes with the field of view, resulting in low lithotripsy efficiency. Continuous water infusion can easily lead to excessive intrabladder pressure, and absorption of the instilled fluid can cause complications such as pulmonary edema, heart failure, and sepsis. Using a transurethral bladder sheath for intraoperative lithotripsy is a new technique that utilizes the gaps in the sheath to drain water, achieving continuous injection and drainage and controlling intrabladder pressure within a safe range. Conventional transurethral bladder sheaths have low water outflow efficiency, limiting their clinical application. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing transurethral bladder sheath, the present invention provides a transurethral bladder sheath, which is composed of a transurethral bladder sheath body, a bladder sheath outer tube body, a movable bladder sheath inner core head, a bladder sheath inner pipe, a movable bladder sheath inner core rod, a bladder sheath tube retaining ring, a negative pressure suction outlet pipe, and a movable transurethral bladder sheath back cover.

[0004] The transurethral bladder sheath body comprises a circular outer tube, with a hollow inner tube located in the center. A movable inner core head is sheathed at the front of the inner tube, the other end of which is connected to a movable inner core rod, the other end of which is connected to a movable transurethral bladder sheath rear cover. A circular sheath retainer is located at the rear of the transurethral bladder sheath body, and the movable inner core cover is screwed onto the outer tube behind the retainer.

[0005] The feature is that there is a hollow negative pressure suction outlet pipe with a 60° angle between the left front part of the bladder sheath tube retaining ring and the horizontal transurethral bladder sheath body, and the negative pressure suction outlet pipe is connected with the pipe inside the bladder sheath.

[0006] The beneficial effects of the present invention are: due to the negative pressure suction outlet pipe, the transurethral bladder sheath can achieve sustainable infusion and negative pressure suction to discharge waste fluid during surgery, fully self-controlled infusion, ensure safe bladder cavity pressure, maintain a clear field of vision throughout the operation, improve lithotripsy efficiency, effectively simplify operations, reduce operator fatigue, improve efficiency, shorten operation time, and make surgery safer for patients.

[0007] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0008] FIG1 is a schematic diagram of the overall three-dimensional structure of the transurethral bladder sheath of the present invention.

[0009] FIG2 is a schematic diagram of the overall main cross-sectional structure of the transurethral bladder sheath of the present invention.

[0010] FIG3 is a schematic cross-sectional view of the transurethral bladder sheath body of the present invention.

[0011] Figure 1-3 Among them, 1. Transurethral bladder sheath body, 2. Bladder sheath outer tube body, 3. Movable bladder sheath core head, 4. Bladder sheath tube, 5. Movable bladder sheath core rod, 6. Bladder sheath tube retaining ring, 7. Negative pressure suction outlet tube, 8. Movable transurethral bladder sheath posterior cover. DETAILED DESCRIPTION

[0012] Embodiment: Referring to Figures 1-3, the present invention is a transurethral bladder sheath, which consists of a transurethral bladder sheath body 1, a bladder sheath outer tube body 2, a movable bladder sheath inner core head 3, a bladder sheath inner tube 4, a movable bladder sheath inner core rod 5, a bladder sheath tube retaining ring 6, a negative pressure suction outlet tube 7, and a movable transurethral bladder sheath back cover 8.

[0013] The transurethral bladder sheath body 1 comprises a circular outer sheath body 2 with a hollow inner sheath conduit 4 in the center. A movable inner sheath core head 3 is sheathed at the front of the inner sheath conduit 4. The other end of the movable inner sheath core head 3 is connected to a movable inner sheath core rod 5. The other end of the movable inner sheath core rod 5 is connected to a movable transurethral bladder sheath rear cover 8. A circular sheath tube retaining ring 6 is provided at the rear of the transurethral bladder sheath body 1. The movable inner sheath rear cover 8 is screwed onto the outer sheath body 2 behind the circular sheath tube retaining ring 6.

[0014] It is characterized in that there is a hollow negative pressure suction outlet pipe 7 with a 60° angle between the left front part of the bladder sheath tube retaining ring 6 and the horizontal transurethral bladder sheath body 1, and the negative pressure suction outlet pipe 7 is connected to the bladder sheath internal pipe 4.

[0015] Working principle: In normal storage, the movable bladder sheath core head 3 and the movable bladder sheath core rod 5 are as a whole and are sleeved in the bladder sheath tube 4, and the movable transurethral bladder sheath rear cover 8 is also screwed onto the rear end of the transurethral bladder sheath body 1.

[0016] During clinical use, the rear cover 8 of the movable transurethral bladder sheath is rotated to disinfect the outer tube body 2 of the bladder sheath, the inner core head 3 of the movable bladder sheath, the inner pipe 4 of the bladder sheath, and the inner core rod 5 of the movable bladder sheath.

[0017] After disinfection, the movable bladder sheath core head 3 and the movable bladder sheath core rod 5 are inserted into the bladder sheath tube 4, and then the movable transurethral bladder sheath back cover 8 is screwed onto the external thread of the transurethral bladder sheath body. The front end of the semi-spherical movable bladder sheath core head 3 and the bladder sheath tube 4 form an entity, so that the transurethral bladder sheath body 1 can be easily inserted into the bladder through the urethra. After the bladder sheath is placed, the movable transurethral bladder sheath back cover 8 is rotated to take out the movable bladder sheath core head 3 and the movable bladder sheath core rod 5. The bladder sheath tube 4 is hollow tubular, and then the urological laparoscope instrument is inserted, and the negative pressure suction outlet pipe 7 is connected to the negative pressure device for surgery.

Claims

1. A transurethral bladder sheath, comprising a transurethral bladder sheath body (1), a bladder sheath outer tube body (2), a movable bladder sheath inner core head (3), an inner bladder sheath tube (4), an movable inner bladder sheath core rod (5), a bladder sheath tube retaining ring (6), a negative pressure suction outlet tube (7), and a movable transurethral bladder sheath rear cover (8); The bladder sheath outer tube (2) of the transurethral bladder sheath body (1) is a circular tube. A hollow bladder sheath inner tube (4) is provided in the middle of the transurethral bladder sheath body (1). The front of the bladder sheath inner tube (4) is sheathed with a movable bladder sheath inner core head (3). The other end of the movable bladder sheath inner core head (3) is connected to a movable bladder sheath inner core rod (5). The other end of the movable bladder sheath inner core rod (5) is connected to a movable transurethral bladder sheath rear cover (8). A circular bladder sheath tube retaining ring (6) is provided at the rear of the transurethral bladder sheath body (1). The movable transurethral bladder sheath rear cover (8) is screwed onto the bladder sheath outer tube (2) behind the circular bladder sheath tube retaining ring (6). Its characteristics are: There is a hollow negative pressure suction outlet pipe (7) with an angle of 60 degrees between the left front portion of the bladder sheath retaining ring (6) and the horizontal transurethral bladder sheath body (1), and the negative pressure suction outlet pipe (7) is connected to the bladder sheath internal pipe (4).

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