CN216628612U - Air bag type urethra protective sleeve - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a balloon type urethra protective sleeve which comprises a sleeve and an inner core, wherein a fixed balloon, a urethra balloon, a fixed balloon injection port and a urethra balloon injection port are arranged on the sleeve, the fixed balloon injection port and the urethra balloon injection port are used for inflating or injecting water, the inner core is inserted into the sleeve, two ends of the inner core respectively protrude out of two ends of the sleeve, the inner core is used for pushing the sleeve to place the head of the sleeve into a bladder, the fixed balloon is arranged close to the head of the sleeve, the fixed balloon is a one-way balloon and protrudes out to one side after inflating or injecting water, the urethra balloon is an annular balloon and protrudes out in a direction of 360 degrees after inflating or injecting water. The air bag type urethra protective sleeve provided by the utility model can protect the urethra in the urinary endoscopic surgery process, avoids the injury of surgical instruments to the urethra, is convenient to put in, has good stability after being put in, can be used as a catheter after the operation, improves the convenience and safety of the operation, and relieves the pain of postoperative patients.

Description

Air bag type urethra protective sleeve

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a balloon type urethra protective sleeve.

Background

Most of the urinary tract injuries are iatrogenic injuries, and are particularly common in minimally invasive endoscopic operations of urinary surgery, such as cystolith lithotripsy, ureteroscope lithotripsy and the like, and the most common injured parts are urethra prostate parts. Mild urethral injury can cause urethral mucosa damage and laceration, resulting in discomfort of patients such as postoperative urinary frequency, urgent micturition, odynuria, hematuria and the like, and severe urethral injury can cause urethral mucosa avulsion or submucosa and muscular layer damage, resulting in severe complications such as postoperative urethral stricture and the like. At present, no relevant urethral protection measures in urinary endoscopic surgery exist clinically.

Therefore, aiming at the problems, the air bag type urethra protection sleeve used under the urinary endoscope is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a balloon type urethra protective sleeve, which aims to solve the technical problem that urethra is easily injured when a surgical instrument directly contacts urethral mucosa in minimally invasive endoscopic surgery in the prior art, can protect urethra in surgery and prevent the surgical instrument from damaging urethra.

The technical scheme of the utility model is as follows:

a balloon urethral cuff comprising:

the sleeve is provided with a fixing air bag, a urethra air bag, a fixing air bag injection port and a urethra air bag injection port, and the fixing air bag injection port and the urethra air bag injection port are respectively used for inflating or injecting water into the fixing air bag and the urethra air bag;

the inner core is inserted into the sleeve, two ends of the inner core respectively protrude out of two ends of the sleeve, and the inner core is used for pushing the sleeve to place the head of the sleeve into the bladder;

the fixed air bag is arranged close to the head of the sleeve, is a one-way air bag and protrudes to one side after being inflated or injected with water;

the urethra gasbag is a ring-shaped gasbag and protrudes in the direction of 360 degrees after being inflated or injected with water.

Further, gasbag formula urethra protective sheath is still including Y type joint, Y type joint including first port, second port and the side drainage mouth that communicates each other, first port be used for with sheathed tube afterbody intercommunication, the second port is equipped with waterproof cap, waterproof cap is the elastic rubber material, is equipped with the aperture in the middle of it, allows surgical instruments to pass through, and the side drainage mouth is used for connecting negative pressure suction apparatus.

Furthermore, the fixing air sac is made of elastic materials, the capacity of the fixing air sac expands along with the increase of water injection quantity or inflation quantity, and the urethra air sac is made of non-elastic materials and has relatively fixed capacity.

Furthermore, the head of the sleeve is an inclined opening, and the inclined opening and the length direction of the sleeve form an included angle of 15-30 degrees.

Further, the fixing air bag is arranged on the back side of the bevel opening.

Further, the inner core comprises a channel which penetrates through two ends of the inner core.

Further, a guide wire is penetrated in the channel, and the inner core and the sleeve are guided into the urethra by the guide wire.

Further, sleeve pipe and inner core are the silica gel material.

Furthermore, the inner layer and the outer layer of the sleeve and the outer layer of the inner core are both provided with paraffin coatings.

Further, the length of the sleeve is 20-30cm, the length of the urethra balloon is 5-10cm, the inner diameter of the inflated urethra balloon is 1-2mm, and the urethra balloon is arranged at the rear end of the fixing balloon.

After the technical scheme is adopted, compared with the prior art, the air bag type urethra protective sleeve provided by the utility model has the following beneficial effects: according to the utility model, the sleeve is arranged, the inner core is arranged in the sleeve, and the sleeve is placed into the urethra by means of the inner core, so that the inner core is taken out when urinary surgery is performed, the inner cavity of the sleeve is formed into the operation channel, surgical instruments enter the bladder through the inner cavity of the sleeve, the surgical instruments can be prevented from directly contacting urethral mucosa, and urethral injury is reduced. Furthermore, the sleeve is provided with the fixing air bag and the urethra air bag, the sleeve can be fixed through the fixing air bag, and the fixing air bag is a one-way air bag, so that the operation visual field is not influenced; the urethra balloon is a ring balloon, so that the prostatic urethra part can be more fully protected. In addition, the sleeve can be used as a catheter for continuous use after operation, the catheter is not required to be withdrawn and then placed into the catheter again, the operation efficiency is improved, and further damage is avoided.

Drawings

FIG. 1 is a schematic structural view of the assembled sleeve and core of the present embodiment;

FIG. 2 is a schematic structural diagram of the bushing of the present embodiment;

FIG. 3 is a schematic structural view of the inner core and guidewire of this embodiment;

FIG. 4 is a schematic structural diagram of the balloon-type urethra protective sheath of the present embodiment before the fixing balloon and the urethra balloon are inflated or injected with water;

fig. 5 is a schematic structural view of the balloon-type urethra protective sheath of the present embodiment after the fixing balloon and the urethra balloon are inflated or injected with water;

FIG. 6 is a cross-sectional view of the balloon-type urethral protection sheath of this embodiment after inflation or flooding of the fixation balloon and the urethral balloon;

fig. 7 is a schematic structural view of the Y-joint of the present embodiment.

Wherein the content of the first and second substances,

the device comprises a sleeve 1, a fixing air bag 11, a urethra air bag 12, a fixing air bag injection port 13, a urethra air bag injection port 14 and a sleeve inner cavity 15; an inner core 2; the guide wire 3, the Y-shaped joint 4, the first port 41, the waterproof cap 42 and the side drainage port 43.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1-7, this embodiment provides a gasbag-type urethra protection sheath for protecting urethra used under urinary endoscope, the gasbag-type urethra protection sheath includes a sleeve 1 and an inner core 2 inserted into the sleeve 1, two ends of the inner core 2 respectively protrude out of two ends of the sleeve 1, the inner core 2 and the sleeve 1 both include a small diameter section, a large diameter section and a middle inclined section, the middle inclined section of the inner core 2 matches with the middle inclined section of the sleeve 1, so the sleeve 1 is pushed by the inner core 2, and the head of the inner core 2 is hemispherical, so that the head of the sleeve 1 can be conveniently placed into bladder. Further, a fixing air bag 11, a urethra air bag 12, a fixing air bag injection port 13 and a urethra air bag injection port 14 are arranged on the sleeve 1, wherein the fixing air bag 11 is arranged close to the head of the sleeve 1, the fixing air bag 11 is a one-way air bag and protrudes out from one side after being inflated or injected with water, and is used for fixing the sleeve 1 in the bladder and preventing the sleeve 1 from falling out; the urethra balloon 12 is positioned at the rear end of the fixing balloon 11, the urethra balloon 12 is an annular balloon and protrudes in the circumferential direction of 360 degrees after being inflated or injected with water, so that the prostate part of the urethra can be more fully protected; the fixing air bag 11 is communicated with a fixing air bag injection port 13 through an opening at the bottom of the fixing air bag, the urethra air bag 12 is communicated with a urethra air bag injection port 14 through an opening at the bottom of the urethra air bag, and the fixing air bag injection port 13 and the urethra air bag injection port 14 are respectively used for inflating or injecting water into the fixing air bag 11 and the urethra air bag 12.

Like this, this embodiment is through setting up sleeve pipe 1 to set up inner core 2 in sleeve pipe 1 to put into the bladder with the head of sleeve pipe 1 with the help of inner core 2, so, when carrying out uropoiesis operation, take out inner core 2, sleeve pipe inner chamber 15 diameter is big, forms the operation passageway, and surgical instruments passes through sleeve pipe inner chamber 15 and gets into the bladder, can avoid surgical instruments direct contact urethra mucosa, reduces the urethra damage, also can take out or pincers through it and get the rubble. Further, in the embodiment, the sleeve 1 is provided with the fixing air bag 11 and the urethra air bag 12, in the process of placing the sleeve 1, when the head of the sleeve 1 reaches the bladder, the fixing air bag 11 is inflated, the sleeve 1 can be fixed in the bladder through the fixing air bag 11, the sleeve 1 is prevented from being separated, and the fixing air bag 11 is a one-way air bag, so that the operation visual field is not influenced; urethra gasbag 12 is cyclic annular gasbag, and the back is put into to sleeve pipe 1, outside tractive sleeve pipe 1 for fixed gasbag 11 reaches bladder neck department, and urethra gasbag 12 is located urethra prostate portion position this moment, and this urethra gasbag 12 has reinforcing cushioning effect, further alleviates local oppression, and protection urethra prostate portion that can be more abundant aerifys urethra gasbag 12, still can prevent that postoperative patient urethral orifice from leaking urine. In addition, the sleeve 1 can be used as a catheter for continuous use after operation, so that the operation efficiency is improved, and the injury caused by the re-placement of the catheter is avoided. In addition, the urethra balloon 12 is cylindrical after being inflated, and can also be applied to patients with hemorrhage of prostate part of urethra, and has the function of hemostasis by compression on local hemorrhage.

In order to fix the cannula 1 better and ensure the stability during the operation, the fixing balloon 11 of the present embodiment is made of elastic material, that is, the volume and the shape of the fixing balloon 11 are not fixed, and the volume can be expanded continuously with the increase of the water injection amount or the air inflation amount, and the shape can be increased continuously, so that the size of the fixing balloon 11 can be adjusted according to the actual urethra condition, thereby fixing the cannula 1 better and ensuring the fixing of the cannula 1 in the bladder during the operation. The urethral balloon 12 of this embodiment can be made of a non-elastic material, which has a relatively constant volume and shape, and the volume will not increase after reaching its original volume, and the shape will not change.

Preferably, as shown in fig. 2, the head of the cannula 1 of the present embodiment is an oblique opening, which forms an angle of 15-30 degrees with the length direction of the cannula 1, and the fixing balloon 11 is disposed at the back side of the oblique opening, i.e. at 12 points, so that the opening area of the head of the cannula 1 is increased and the influence of the fixing balloon 11 on the front, side and lower visual fields can be avoided, thereby facilitating better exposure of the operation area in the bladder.

As shown in fig. 3, the inner core 2 of this embodiment includes a channel (not shown) through both ends, and when urine is detected to flow out from the channel at the tail of the inner core 2 during the process of placing the cannula 1 into the bladder, it can be determined that the head of the inner core 2 has reached the bladder, and at this time, the fixing balloon 11 can be inflated or injected with water appropriately to fix the cannula 1 into the bladder. Optionally, a guide wire 3 can be inserted into the channel, if necessary, and the inner core 2 and the sleeve 1 can be guided into the urethra through the guide wire 3, and the guide wire 3 is preferably a J-shaped guide wire, so that the damage to the urethra during the insertion of the guide wire 3 can be avoided.

Further, the sleeve 1 and the inner core 2 of the present embodiment are made of silicone, and in order to better maintain the stable shape of the operation channel 15, it is necessary to set the sleeve 1 to have a certain thickness so as to generate sufficient supporting force to maintain the shape of the operation channel 15.

Further, in this embodiment, the inner layer and the outer layer of the sleeve 1 and the outer layer of the inner core 2 are both provided with paraffin coatings, so as to perform a sufficient lubrication function.

Further, the length of the sleeve 1 in this embodiment is 20-30cm, which can be divided into a male style and a female style, the length of the sleeve 1 in the male style is about 30cm, and the length of the sleeve 1 in the female style is about 20 cm. The length of the urethra balloon 12 of this embodiment is 5-10cm, and the inner diameter of the urethra balloon 12 after inflation is 1-2 mm.

Preferably, as shown in fig. 7, the protective sheath of this embodiment further includes a Y-shaped joint 4, the Y-shaped joint 4 is made of a hard material, and includes a first port 41, a second port and a side drainage port 43 that are communicated with each other, the first port 41 is used for communicating with the tail portion of the cannula 1, the second port is provided with a waterproof cap 42, the waterproof cap 42 is made of an elastic rubber material, a small hole is formed in the middle of the waterproof cap 42 to allow a surgical instrument such as a ureteroscope body to pass through, and the side drainage port 43 can be connected with a negative pressure suction instrument, so that continuous negative pressure suction can be realized, and a clear surgical field can be ensured. When the cannula 1 is inserted and negative pressure suction is needed or the water capacity in the bladder is controlled, the inner core 2 is pulled out, the first port 41 of the Y-shaped joint 4 is inserted into the tail part of the cannula 1 to be communicated with the inner cavity 15 and be hermetically connected with the inner cavity, the ureteroscope body is inserted into the middle of the waterproof cap 42 of the second port, and the side drainage port 43 is connected with a negative pressure suction instrument.

Known from the above, the gasbag formula urethra protective sheath that this embodiment provided can protect the urethra at uropoiesis scope operation in-process, avoids the urethra damage in the art, and this protective sheath is put into conveniently, and it is good to put into back stability, and can make the catheter use at the postoperative, promotes the convenience and the security of operation, alleviates postoperative patient's pain.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (10)

1. A balloon urethral cuff, comprising:

the device comprises a sleeve (1), wherein a fixing air bag (11), a urethra air bag (12), a fixing air bag injection port (13) and a urethra air bag injection port (14) are arranged on the sleeve (1), and the fixing air bag injection port (13) and the urethra air bag injection port (14) are respectively used for inflating or injecting water into the fixing air bag (11) and the urethra air bag (12);

the inner core (2) is inserted into the sleeve (1), two ends of the inner core (2) respectively protrude out of two ends of the sleeve (1), and the inner core (2) is used for pushing the sleeve (1) to place the head of the sleeve (1) into the bladder;

the fixing air bag (11) is arranged close to the head of the sleeve (1), and the fixing air bag (11) is a one-way air bag and protrudes to one side after being inflated or injected with water;

the urethra balloon (12), the urethra balloon (12) is a ring-shaped balloon, and protrudes in the direction of 360 degrees after being inflated or injected with water.

2. The air bag type urethra protection sleeve according to claim 1, wherein the air bag type urethra protection sleeve further comprises a Y-shaped joint (4), the Y-shaped joint (4) comprises a first port (41), a second port and a side drainage port (43), the first port is communicated with the tail of the sleeve (1), the second port is provided with a waterproof cap (42), the waterproof cap (42) is made of elastic rubber, a small hole is formed in the middle of the waterproof cap, surgical instruments are allowed to pass through the waterproof cap, and the side drainage port (43) is used for connecting a negative pressure suction instrument.

3. The balloon-type urethral protection sheath according to claim 1, wherein the fixing balloon (11) is made of an elastic material, and the volume thereof expands with the increase of the water injection amount or the air inflation amount, and the urethral balloon (12) is made of a non-elastic material and has a relatively fixed volume.

4. The balloon type urethra protective sleeve according to claim 1, wherein the head of the sleeve (1) is a bevel, and the bevel forms an angle of 15-30 degrees with the length direction of the sleeve (1).

5. A balloon urethral cuff according to claim 4, characterised in that the fixation balloon (11) is arranged on the dorsal side of the oblique orifice.

6. A balloon urethral cuff according to claim 1, characterised in that the inner core (2) comprises a passage provided through both ends.

7. A balloon urethral cuff according to claim 6, characterised in that a guide wire (3) is threaded into the passage, the inner core (2) and the sleeve (1) being guided into the urethra by the guide wire (3).

8. A balloon urethral cuff as claimed in claim 1, characterised in that the sleeve (1) and the inner core (2) are both of silicone material.

9. A balloon urethral cuff as claimed in claim 1, characterised in that both the inner and outer layers of the sleeve (1) and the outer layer of the inner core (2) are provided with a paraffin coating.

10. The balloon urethral cuff according to claim 1, characterized in that the length of the sleeve (1) is 20-30cm, the length of the urethral balloon (12) is 5-10cm, the inner diameter of the urethral balloon (12) after inflation is 1-2mm, and the urethral balloon (12) is disposed at the rear end of the fixing balloon (11).

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