CN215537023U - Drainage tube with flat-head opening at top end of folding bag - Google Patents

Abstract

The utility model provides a drainage tube with a flat head opening at the top end of a folding bag, and relates to the field of medical instruments. The utility model provides a drainage tube with a flat-head opening at the top end of a folding bag, which comprises a urine tube body, wherein one end of the urine tube body is provided with an inlet, and the other end of the urine tube body is provided with an outlet communicated with the inlet; a balloon filling channel is arranged along the urinary catheter body; a bag body is arranged on the wall of the urinary catheter body 1 and close to the introduction port, and the bag filling channel is communicated with the bag body; the method is characterized in that: the at least two sac bodies are arranged independently, and after being expanded, each sac body is of a slender structure expanding towards the outer side of the ureter body. The beneficial effects are that the long and thin structure capsule body arranged on the side of the tube wall can prevent the capsule body from tearing and tearing the bladder, prostate and urethra when the ureter is pulled unintentionally; the long and thin structure capsule body plays a role in stress buffering, and pain caused by movement of a patient can be avoided.

Description

Drainage tube with flat-head opening at top end of folding bag

Technical Field

The utility model relates to the field of medical instruments, in particular to a drainage tube with a flat-head opening at the top end of a folding bag.

Background

The drainage tube is also called a catheter and is used for guiding urine in the bladder. The purpose of inserting the urinary catheter is to drain urine, and the urinary catheter is suitable for the situations that the urine cannot be discharged by self, such as acute urinary retention, urethral trauma and the like. Or before operation, the patient can not urinate by self due to anesthesia, and a ureter is needed to be put down. In particular to operations of pelvic cavity or lower abdomen, such as cesarean section, rectal cancer radical operation, laparoscopic appendicitis operation, urinary system operation, and the like. Generally, the urinary catheter is retained in a short time for some patients, and in addition, the urinary catheter is retained in a long time for some patients.

In order to prevent the ureter from slipping out during use, a balloon is usually arranged at the front end of the ureter, namely the insertion end, and surrounds the peripheral wall of the catheter, and the balloon is inflated or inflated with water to be clamped at the trigone of the bladder, so that the ureter is fixed in the body. (see figure 1) the prior balloon catheter has the following disadvantages in clinical use:

1. the balloon is firmly fixed, but when the ureter is pulled out forcibly by accident, the bladder, prostate and urethra can be torn and torn due to the high strength of the balloon, no shrinkage and no deformation and the overlarge balloon body, which causes bleeding and pain of tissues. (see FIG. 1)

2. The overlength is reserved to sacculus anterior segment ureter: because the balloon can occupy the effective position of the insertion end of the urinary catheter, the balloon can be inflated only by continuously inserting 2 cm-4 cm into the urinary catheter after the urinary catheter is inserted into urine. The bladder tissue can be jacked up by the front end of the urethra from the observation of the nuclear magnetic resonance of the pelvic cavity; the front end of the ureter air bag jacks up the rear wall of the bladder when the urine condition is observed from the abdominal cavity of the laparoscope; the mucous membrane of the posterior wall of the bladder has a punctate bleeding surface b with the diameter of about 2.5cm observed by a cystoscope. (all see FIG. 2)

3. The saccule is expanded to be spherical and the end part of the ureter is too long. The ureter drainage mouth is raised after the inflation, leads to the regional drainage of bladder not smooth: the balloon is arranged along the whole peripheral wall of the ureter after being expanded, and the balloon falls into the trigonal vesicae integrally and lifts the ureter to cause unsmooth drainage of the trigonal vesicae. Typically a 10ml balloon can be raised to a height of about 2 cm. (see FIG. 1)

Therefore, in view of the above disadvantages, a collapsible balloon top blunt-ended opening drain is devised.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: solves the problem that when the ureter is pulled unintentionally, the saccule can tear and tear the bladder, the prostate and the urethra.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a drainage tube with a flat-head opening at the top end of a folding bag, which comprises a urine tube body, wherein one end of the urine tube body is provided with an introduction port, and the other end of the urine tube body is provided with an outlet port communicated with the introduction port 1.1; a balloon filling channel is arranged along the urinary catheter body 1; a bag body is arranged on the wall of the urinary catheter body 1 and close to the introduction port, and the bag filling channel is communicated with the bag body; the method is characterized in that: the at least two sac bodies are arranged independently, and after each sac body is expanded, the sac bodies are respectively of slender structures which are expanded towards the outer side of the urinary catheter body 1.

Preferably, a plurality of said capsules are arranged on the wall of said urinary catheter body 1.

Preferably, the introduction port is opened in a cross-section of the end of the catheter body 1.

Preferably, the edge of the section of the ureter body is provided with a fillet structure or a chamfered structure.

Preferably, the distance from the capsule wall of the capsule body facing the introducing opening to the section where the introducing opening is located is (2 mm-10 mm).

Preferably, the balloon body protrudes from the introduction port towards a wall of the introduction port after inflation of the balloon body.

Preferably, a conical tubular guiding inner sheath is arranged in the introducing port, and the outer wall of the conical tubular guiding inner sheath is tangentially fitted with a rounded corner structure or a chamfered corner structure.

Preferably, the ureter body is a silica gel ureter.

The utility model has the beneficial effects that:

1. the elongated structure bag body is arranged on the side of the tube wall, so that the bag body can be prevented from tearing and ripping the bladder, the prostate and the urethra when the ureter is pulled unintentionally; the long and thin structure capsule body plays a role in deformation buffering, and therefore the capsule body is convenient for a patient to move or turn over.

2. The distance of the front end of the capsule body is shortened, so that the jacking pressure of the ureter to the bladder wall can be effectively reduced, the pain of a patient is reduced, the incidence rate of bladder spasm is reduced, and the use comfort is improved.

3. The length of the front end tube of the bag body can be further shortened on the section of the ureter body through the introduction port, so that the discharge of blood clots and solid residues in the bladder is facilitated, and the blockage of the catheter body is avoided. Also avoid the pipe wall side trompil to the weakening of body intensity, effectively avoid the medical malpractice that the body fracture caused, improve the safety in utilization.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a prior art balloon catheter structure and use;

FIG. 2 is a schematic view of a prior art balloon catheter with the lead-in end thereof pressed against the bladder wall;

fig. 3 is a schematic view of a catheter provided in an embodiment of the utility model before installation and with the balloon deflated;

fig. 4 is a schematic view of a catheter balloon provided in an embodiment of the utility model after inflation;

FIG. 5 is a schematic view in partial cross-section of FIG. 4;

FIG. 6 is a schematic diagram of the deformation of a catheter balloon provided by an embodiment of the present invention;

FIG. 7 is a schematic view of a catheter balloon placed in a bladder for normal use according to an embodiment of the utility model;

FIG. 8 is a schematic view of the deformation of the pipe body of FIG. 7 after being pulled;

FIG. 9 is a schematic view of the catheter introducer in contact with the bladder wall as provided by an embodiment of the present invention;

FIG. 10 is a schematic view of a second bladder structure of a urinary catheter according to an embodiment of the present invention;

fig. 11 is a schematic view of a catheter introducer with an inner sheath according to an embodiment of the utility model;

in the figure: 1-ureter body, 1.1-inlet, 1.2-outlet, 1.3-balloon-filling channel, 2-balloon body, 3-guiding inner sheath, a-bladder wall, b-bladder wall bleeding surface.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It is to be understood that these examples are for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

In one embodiment, a folded balloon tip blunt-ended opening drain is provided, (see fig. 1) comprising a urinary catheter body 1 for directing urine out of the bladder; the end of the urinary catheter body 1, which is put into the bladder, is provided with an introduction port 1.1, the introduction port 1.1 can be arranged on the wall of the urinary catheter or on the section of the urinary catheter, and the external end of the urinary catheter body 1 is provided with a leading-out port 1.2 communicated with the introduction port 1.1, so that a drainage channel is facilitated, and then the urine is led out of the body.

(see fig. 1) the urinary catheter body 1 is provided with a balloon inflation channel 1.3, the existing inflation channel 1.3 usually opening on the wall of the catheter. The urinary catheter body 1 is provided with a balloon body 2 on the wall thereof and near the inlet 1.1, and the balloon body 2 is inflated and exhausted with air or water through a balloon inflation channel 1.3 to realize the inflation or contraction of the balloon body. The sac body is clamped in the trigone of the bladder after being expanded to realize the fixation of the ureter.

(see fig. 3-6) wherein there are at least two capsules 2 and are independently arranged, i.e. the capsule walls are in an unconnected state. When the balloons 2 are inflated, each balloon 2 takes on an elongated configuration and expands outward of the catheter body 1. The size of the slender structure of the scheme is at least 1.5-3 times that of the bag body 2 expanded to the outer side of the urinary catheter body 1, but the slender structure is not limited to the proportion, and the slender structure mainly aims to realize the stress deformation bending of the bag body after expansion.

The plurality of bag bodies 2 can be filled and discharged by adopting one bag filling channel 1.3, and can be filled and discharged by adopting a plurality of independent bag filling channels 1.3, and the manufacturing process of the single bag filling channel and the plurality of bag filling channels 1.3 is similar to that of the prior art, which is not described herein any more.

(see fig. 7-8) in use, the balloon 2 is inflated and placed in the bladder to fix the catheter body 1. When ureter body 1 receives unintentional external force to drag, utricule 2 upwards bends through the bladder wall, can avoid utricule 2 and ureter to produce to bladder, prostate and urethra through this buffering of bending the deformation and tear, consequently, can avoid the patient to move the time pain.

Synthesize above-mentioned, compare in the current globular bag around the ureter body perisporium, the utricule of the long and thin structure of present case is when realizing that the ureter body is fixed, the damage that causes for the patient when avoiding unintentionally dragging the ureter that can be better. In order to further optimize the whole structure of the urinary catheter for clinical use, the following further improvements are adopted:

when in use, the plurality of sac bodies 2 can be uniformly arranged on the tube wall of the ureter body 1 so that the introducing port 1.1 and the sac bodies 2 of the ureter body 1 are stably arranged in the bladder.

The introduction port 1.1 is provided on the cross-section of the end of the catheter body 1. Further shortening the length of the front end of the balloon body, relieving the top pressure on the bladder wall and reducing the incidence of bladder spasm. In addition, the section of the introduction port 1.1 arranged on the section is larger and smoother, which is beneficial to discharging blood clots and solid residues in the bladder and also avoids the blockage of the tube body. Also avoid the pipe wall side trompil to the weakening of body intensity, effectively avoid the medical malpractice that the body fracture caused.

(see fig. 9-11) in addition, the section edge of the urinary catheter body 1 is arranged into a round-cornered structure or a chamfered-cornered structure, so that the insertion of the urinary catheter can be facilitated, and the contact area of the end part of the urinary catheter and the bladder wall can be effectively increased. To further facilitate the insertion and positioning of the urinary catheter, a tapered tubular guiding inner sheath 3 is mounted in the inlet 1.1, and the outer wall of the guiding inner sheath 3 fits tangentially to the rounded or chamfered configuration. After the tangent fitting, the guide inner sheath 3 and the catheter body 1 can form an uninterrupted smooth guide part, and the intubation resistance is reduced. Thereby effectively reducing the pain of the patient during intubation.

Wherein, the distance from the capsule wall of the capsule body 2 facing the introducing port 1.1 to the section of the introducing port 1.1 is 2mm-10mm, the distance is reduced as much as possible when the capsule body is adhered and installed with the tube body, the introducing port 1.1 is ensured to be arranged at the lowest point of the bladder, and the sufficient flow guiding of the trigone of the bladder is ensured.

(see fig. 10) in addition, in order to further avoid the contact between the urinary catheter body 1 and the bladder wall, the top wall of the bag body 2 is made thinner relative to the other parts, and the expansion coefficient of the thinner part is larger when the bag is filled, so that the bag body 2 protrudes upwards and protrudes out of the inlet 1.1. This form is also based on the elongate structural balloon. When the drainage bag is used, the top of the bag body 2 is arranged on the bladder wall in an overhead mode, a gap exists between the ureter body 1 and the bladder wall, and the phenomenon that the bladder wall blocks the introducing port 1.1 to influence drainage is avoided.

Above-mentioned ureter body 1 is the silica gel ureter, can make the ureter pipe wall more frivolous through the silica gel attribute, and then makes and can fully enlarge the body internal diameter and avoided blockking up the emergence. In addition, the silica gel ureter has excellent corrosion and fracture resistance, and the use safety is improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (8)

1. A drainage tube with a flat-head opening at the top end of a folding bag comprises a urine tube body (1), wherein one end of the urine tube body is provided with an introduction port (1.1), and the other end of the urine tube body is provided with an outlet port (1.2) communicated with the introduction port (1.1); a balloon filling channel (1.3) is arranged along the urinary catheter body (1); a bag body (2) is arranged on the wall of the urinary catheter body (1) and close to the introduction port (1.1), and the bag filling channel (1.3) is communicated with the bag body (2); the method is characterized in that: the urinary catheter is characterized in that the number of the capsule bodies (2) is at least two, the two capsule bodies are independently arranged, and after each capsule body (2) is expanded, the two capsule bodies are respectively of a slender structure which is expanded towards the outer side of the urinary catheter body (1).

2. A folding bag tip crop opening drainage tube according to claim 1, characterized in that a plurality of said bag bodies (2) are arranged uniformly on the wall of said urinary tube body (1).

3. A folding bag tip crop opening drain as claimed in claim 1, characterized in that the introduction opening (1.1) opens onto a section of the end of the catheter body (1).

4. A folding bag top end flat head opening drainage tube according to claim 3, characterized in that the section edge of the end of the ureter body (1) is provided with a rounding structure or a chamfering structure.

5. A folding bag top end flat head opening drainage tube according to claim 3, characterized in that the distance from the bag wall of the bag body (2) towards the inlet (1.1) to the section of the inlet (1.1) is 2mm-10 mm.

6. A folded bag tip flat-head opening drainage tube according to claim 3, wherein the thickness of the bag wall of the bag body (2) facing the inlet (1.1) is smaller than the thickness of the bag wall of the bag body (2) at other parts, and after the bag body (2) is expanded, the bag wall of the bag body (2) facing the inlet (1.1) is protruded out of the inlet (1.1).

7. A folding balloon top blunt open drain according to claim 4, characterized in that a tapered tubular guiding inner sheath (3) is mounted inside the inlet (1.1), the outer wall of which fits tangentially to the rounded or chamfered configuration.

8. The folding bag top end flat head opening drainage tube according to any one of claims 1 to 7, characterized in that the urine tube body (1) is a silica gel urine tube.

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