CN213852676U - Urethra dilator - Google Patents

Abstract

The utility model relates to a urethral dilator, including head, neck, somatic part and afterbody that connect gradually from beginning to end, the head is solid construction, set up the seal wire passageway along the axial in neck, somatic part and the afterbody, the one end opening a of seal wire passageway sets up at the neck side, and other end opening b sets up at the afterbody tail end, the afterbody is equipped with the cavity extension, spout a and spout b are seted up to cavity extension side, slide on the cavity extension and set up the guide assembly, the guide assembly includes the sliding sleeve of cover setting on the cavity extension, set up holder an and holder b on the sliding sleeve, holder an and holder b are used for the centre gripping seal wire and move along spout an and spout b respectively under the drive of sliding sleeve; the utility model provides a solve the seal wire and passed the problem that the seal wire passageway is wasted time not convenient for urethral dilator uses conveniently and practices thrift treatment time.

Description

Urethra dilator

Technical Field

The utility model relates to an uropoiesis medical instrument field especially relates to a urethral dilator.

Background

Medically, a catheter is inserted into the bladder via the urethra and urine is drained. Although the existing catheters are various in types, the existing catheters have the problems of difficult introduction, low success rate and relatively unsatisfactory effect when patients who have difficulty in urination due to urethral stricture, urethral malformation, prostatic hyperplasia and the like and need to introduce urine, and urethral dilatation is frequently needed in the cases. When the traditional urethral dilator is used, the risk of urethral false passage exists when the urethral dilator is used for urethral stricture or prostatic hyperplasia of a patient to pass through, thereby reducing the safety and success rate of urethral dilation.

The invention discloses a Chinese patent with publication number CN110201291A, which discloses a lower guide wire catheter device guided by a micropore urethral dilator and a urethral catheterization method using the device, the device comprises a urethral catheter, the head part of the urethral catheter is provided with a front guide hole, the urethral catheter is provided with a liquid guide pipeline, the liquid guide pipeline is communicated with the front guide hole, the device also comprises the urethral dilator and a guide wire, the urethral dilator is provided with a first hollow channel for the guide wire to pass through, the head end of the urethral dilator is provided with micropores for the guide wire to pass through, the micropores are communicated with the hollow channel, the tail end of the urethral dilator is provided with a handle, the handle is provided with a second hollow channel, and the second hollow channel is communicated with the first hollow channel; the guide wire catheter device under the guide of this kind of micropore urethra expander, structural design is reasonable, and is easy and simple to handle, and the success rate is high to can improve the security of keeping somewhere the catheterization. However, the guidewire is soft and still takes some time to insert through the channel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, through being equipped with at the urethra expander and leading the subassembly, the centre gripping is fixed to stretch into the seal wire of cavity extension section to the drive is accomplished the fixed seal wire of centre gripping and is removed along seal wire channel, has solved the seal wire and has passed the seal wire and say the problem that it is not convenient to take time.

To the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a urethral dilator, includes head, neck, somatic part and the afterbody that connects gradually from beginning to end, the head is solid construction, set up the seal wire passageway along the axial in neck, somatic part and the afterbody, the one end opening a of seal wire passageway sets up at the neck side, and other end opening b sets up at the afterbody tail end, the afterbody is equipped with the cavity and extends the section, spout an and spout b are seted up to cavity extension side, slide on the cavity extension section and set up the guide assembly, the guide assembly is established the sliding sleeve on the cavity extension section including the cover, set up holder an and holder b on the sliding sleeve, holder an and holder b are used for the centre gripping seal wire and remove along spout an and spout b respectively under the drive of sliding sleeve.

Preferably, a groove a and a groove b are arranged on the sliding sleeve, the groove a and the groove b are respectively arranged corresponding to the sliding chute a and the sliding chute b, and supporting steps are arranged in the groove a and the groove b.

Preferably, the clamping piece a is arranged in the sliding groove a and the groove a, the clamping piece b is arranged in the sliding groove b and the groove b, the clamping piece a and the clamping piece b respectively comprise a pressing part, the outer end of which extends out of the sliding sleeve, and a fixing part, which is connected with the pressing part and the tail end of which extends into the hollow extension section, of which the fixing part is sleeved with a spring, is connected between the pressing part and the supporting step.

Preferably, the hollow extension has an outer diameter smaller than the outer diameter of the tail portion.

Preferably, the head tip is elliptical.

Preferably, the head portion has an arc-shaped structure, and the diameter of the head portion is gradually reduced from top to bottom.

The utility model has the advantages that:

1. the utility model discloses an earlier put into urethra expander, put into cavity urethra expander with the seal wire again in, the seal wire gets into the bladder intracavity back, pulls out urethra expander, and it is easier to keep somewhere the catheter along the seal wire, has increased the success rate of catheterization effectively to can alleviate patient and insert the biggest misery that carries out the catheterization in-process at the catheterization device. The guide wire is safe and reliable in guiding, a false passage can not be generated, the rectum is not damaged, and the use is safer.

2. The utility model discloses in through set up at urethral dilator afterbody and lead and send the subassembly, lead and send the subassembly to establish the sliding sleeve on the cavity extension segment including the cover, set up holder an and holder b on the sliding sleeve, holder an and holder b are used for the centre gripping seal wire and remove along spout an and spout b respectively under the drive of sliding sleeve for convenient and fast has been put into to the seal wire, has saved treatment time.

In conclusion, the urethral dilator has the advantages of simple structure, convenience and quickness in use, treatment time saving and the like, and is particularly suitable for the field of urinary medical instruments.

Drawings

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

FIG. 1 is a front view of a urethral dilator;

FIG. 2 is a cross-sectional view of the urethral dilator;

FIG. 3 is an enlarged view of FIG. 2A;

FIG. 4 is a schematic structural view of a sliding assembly a and a sliding assembly b;

FIG. 5 is an exploded view of the slide assembly a and slide assembly b;

FIG. 6 is an enlarged view of FIG. 5A;

fig. 7 is a sectional view of the sliding sleeve.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.

Examples

As shown in fig. 1 to 7, a urethral dilator comprises a head part 1, a neck part 2, a body part 3 and a tail part 4 which are connected in sequence from head to tail, the head part 1 is of a solid structure, the neck part 2, the body part 3 and the tail part 4 are internally provided with a guide wire channel 5 along the axial direction, one end opening a201 of the guide wire channel 5 is arranged at the side of the neck part 2, the other end opening b401 is arranged at the tail end of the tail part 4, the tail part 4 is provided with a hollow extension section 7, the side edge of the hollow extension section 7 is provided with a sliding chute a701 and a sliding chute b702, the hollow extension section 7 is provided with a guiding assembly 8 in a sliding way, the guiding assembly 8 comprises a sliding sleeve 801 sleeved on the hollow extension section 7, the sliding sleeve 801 is provided with a clamping piece a802 and a clamping piece b803, and the clamping piece a802 and the clamping piece b803 are used for clamping the guide wire 6 and moving along the sliding groove a701 and the sliding groove b702 respectively under the driving of the sliding sleeve 801.

Further, a groove a8011 and a groove b8012 are arranged on the sliding sleeve 801, the groove a8011 and the groove b8012 are respectively arranged corresponding to the sliding chute a701 and the sliding chute b702, and supporting steps 8013 are arranged in the groove a8011 and the groove b 8012.

Further, the clamping piece a802 is arranged in the sliding groove a701 and the groove a8011, the clamping piece b803 is arranged in the sliding groove b702 and the groove b8012, the clamping piece a802 and the clamping piece b803 both include a pressing portion 8021 of which the outer end extends out of the sliding sleeve 801, a fixing portion 8022 which is connected with the pressing portion 8021 and of which the tail end extends into the hollow extending section 7, and a spring 8023 which is sleeved on the fixing portion 8022 is connected between the pressing portion 8021 and the supporting step 8013.

Further, the outer diameter of the hollow extension 7 is smaller than the outer diameter of the tail 4.

Further, the top end of the head part 1 is oval.

Furthermore, the head 1 is in an arc structure, and the diameter of the head is gradually reduced from top to bottom.

The working process is as follows:

firstly, a urethra dilator is put into a urethra and enters a bladder, then a guide wire 6 is put into a guide wire channel 5 from a hollow extension section 7 along the urethra dilator, at the moment, a clamping piece a802 and a clamping piece b803 respectively clamp and fix the guide wire 6 at the bottoms of a chute a701 and a chute b702, the clamping piece a802 and the clamping piece b803 respectively slide along the chute a701 and the chute b702 and simultaneously drive the guide wire 6 which is clamped and fixed to move along the guide wire channel 5, the clamping piece a802 and the clamping piece b803 respectively move to the tops of the chute a701 and the chute b702 and then release the clamping to move to the bottom end of the chute a, the guide wire 6 can be clamped and moved again, the process is repeated for a plurality of times until the guide wire 6 passes through the guide wire channel 5, then the urethra dilator exits, finally, the guide wire 6 passes through a guide hole at the front end of a catheter, the catheter enters the urethra and reaches the bladder under the guide of the guide wire 6, the guide wire 6 is pulled out, and urine flows out through the catheter, the catheterization is realized.

In the description of the present invention, it is to be understood that the terms "front and back", "left and right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or parts referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art in the technical suggestion of the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A urethral dilator comprises a head (1), a neck (2), a body (3) and a tail (4) which are sequentially connected from head to tail, wherein the head (1) is of a solid structure, a guide wire channel (5) is arranged in the neck (2), the body (3) and the tail (4) along the axial direction, an opening a (201) at one end of the guide wire channel (5) is arranged at the side of the neck (2), an opening b (401) at the other end of the guide wire channel is arranged at the tail end of the tail (4), the urethral dilator is characterized in that the tail (4) is provided with a hollow extension section (7), a chute a (701) and a chute b (702) are arranged at the side of the hollow extension section (7), a guide assembly (8) is arranged on the hollow extension section (7) in a sliding manner, the guide assembly (8) comprises a sliding sleeve (801) sleeved on the hollow extension section (7), and a clamping piece a (802) and a clamping piece b (803) are arranged on the sliding sleeve (801), the clamping piece a (802) and the clamping piece b (803) are used for clamping the guide wire (6) and move along the sliding groove a (701) and the sliding groove b (702) respectively under the driving of the sliding sleeve (801).

2. The urethral dilator according to claim 1, wherein the sliding sleeve (801) is provided with a groove a (8011) and a groove b (8012), the groove a (8011) and the groove b (8012) are respectively arranged corresponding to the sliding groove a (701) and the sliding groove b (702), and the groove a (8011) and the groove b (8012) are both provided with a supporting step (8013).

3. A urethral dilator according to claim 2, characterised in that the clamping part a (802) is arranged in the runner a (701) and the groove a (8011), the clamping part b (803) is arranged in the runner b (702) and the groove b (8012), both the clamping part a (802) and the clamping part b (803) comprise a pressing part (8021) whose outer end extends out of the sliding sleeve (801), a fixing part (8022) which is connected with the pressing part (8021) and whose tail end extends into the hollow extension section (7), and a spring (8023) which is sleeved on the fixing part (8022) is connected between the pressing part (8021) and the supporting step (8013).

4. A urethral dilator according to claim 1, characterised in that the outer diameter of the hollow extension (7) is smaller than the outer diameter of the tail (4).

5. A urethral dilator, according to claim 1, characterised in that the tip of the head (1) is oval.

6. A urethral dilator, according to claim 5, characterised in that said head (1) is of an arc-shaped configuration and tapers in diameter from top to bottom.

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