CN218793517U - Urethra dilator - Google Patents

Abstract

The utility model provides a urethral dilator belongs to medical instrument technical field, include: the urethral stricture expanding device comprises a cylindrical transparent plastic cylinder, a cylindrical piston, an end cover, a threaded rod, a handle, a locking sleeve, a silica gel ring, an urethral stricture expanding rod and a silica gel sleeve, wherein one end of the cylindrical transparent plastic cylinder is an open end, and the other end of the cylindrical transparent plastic cylinder is integrally communicated with a cylindrical connecting seat; the cylindrical piston is arranged inside the cylindrical transparent plastic cylinder in a sliding way; and the end cover is sleeved at the opening end of the cylindrical transparent plastic cylinder body in a threaded manner. The utility model provides a urethra expander can change the external warp of narrow department of urethra expansion pole, is carrying out the in-process of urethra expansion for the patient, is convenient for according to the condition of patient's actual urethra, adjusts the external warp size of narrow department of urethra expansion pole to improve doctor's work efficiency, can reach good expansion effect to narrow department of urethra simultaneously.

Description

Urethral dilator

Technical Field

The utility model relates to the technical field of medical equipment, specifically relate to a urethral dilator.

Background

Urology, a hospital department who primarily diagnoses and treats diseases in the "surgical" segment of the urinary system, primarily treats various urological diseases. The urethral dilation is one of the commonly used treatment means of the urology surgery, generally a urethral dilator needs to be used for urethral dilation, the Chinese patent with publication (publication) No. CN202342663U at present discloses a urethral dilator, which relates to the technical field of medical instruments and comprises a straight catheter, an elbow, a handle and scale marks, wherein one end of the straight catheter is provided with the elbow, the straight catheter is connected with the elbow into a whole, the other end of the straight catheter is provided with the handle, and the scale marks are arranged on the straight catheter.

Although the urethral dilator has the advantages of reasonable design, simple structure and convenient use, can relieve the pain of patients and bring convenience to the use of medical care personnel, the urethral dilator has the following defects:

the external diameter of the straight catheter used as the expansion rod at the narrow part of the urethra is fixed, and in the process of carrying out urethral expansion on a patient, the urethral expanders with different sizes need to be replaced according to the actual urethral condition of the patient, which can affect the working efficiency of doctors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a urethra dilator aiming at solving the problems in the background technology.

The specific technical scheme is as follows:

a urethral dilator comprising:

one end of the cylindrical transparent plastic cylinder is an opening end, and the other end of the cylindrical transparent plastic cylinder is integrally communicated with a cylindrical connecting seat;

the cylindrical piston is slidably arranged inside the cylindrical transparent plastic cylinder;

the end cover is sleeved at the opening end of the cylindrical transparent plastic cylinder body in a threaded manner;

the threaded rod is installed at the center of the end cover in a threaded mode, and one end, extending into the cylindrical transparent plastic cylinder, of the threaded rod is fixedly connected with the center of one end, back to the cylindrical connecting seat, of the cylindrical piston;

the handle is fixedly arranged at one end part of the threaded rod positioned outside the cylindrical transparent plastic cylinder;

the locking sleeve is sleeved at one end of the cylindrical connecting seat, which is far away from the cylindrical transparent plastic cylinder body, by threads;

the silica gel ring is positioned inside the locking sleeve and clamped between the locking sleeve and the cylindrical connecting seat;

one end of the urethral stricture expansion rod penetrates through the locking sleeve and is sequentially inserted into the silica gel ring and the cylindrical connecting seat, the urethral stricture expansion rod is of a hollow structure, and the interior of the urethral stricture expansion rod is communicated with the interior of the cylindrical transparent plastic cylinder;

the other end of the expansion rod at the narrow position of the urethra is sleeved with the silica gel sleeve, one end of the silica gel sleeve is a closed end, the other end of the expansion rod is an open end, and the open end of the silica gel sleeve penetrates through the locking sleeve and is back to the silica gel ring, and the end face of one end of the cylindrical transparent plastic cylinder is sealed and fixedly connected.

The urethral dilator, wherein: urethra narrow department expansion lever orientation the one end tip fixed mounting of cylindrical transparent plastic barrel has the fender ring, it is located to keep off the ring the inside of cylindrical transparent plastic barrel, keep off the ring dorsad the terminal surface of handle with cylindrical transparent plastic barrel keeps away from keep off the laminating each other of one end wall internal surface of ring.

The urethral dilator, wherein: the urethra stricture expansion rod is a stainless steel hollow rod body.

The urethral dilator, wherein: one end of the urethral stricture expansion rod, which is far away from the baffle ring, is fixedly provided with a spherical block, the center of the spherical block is provided with a first through hole, and the first through hole is communicated with the interior of the urethral stricture expansion rod.

The urethral dilator, wherein: a plurality of second through holes are evenly formed in the side portion of the spherical block, and the second through holes are communicated with the interior of the expansion rod at the narrow position of the urethra.

The urethral dilator, wherein: a bending part is arranged at the position, close to the spherical block, on the expansion rod at the narrow part of the urethra.

The urethral dilator, wherein: the surface of the cylindrical transparent plastic cylinder body is provided with capacity scale marks.

The urethral dilator, wherein: the length of the threaded rod is greater than that of the cylindrical transparent plastic cylinder.

The utility model discloses following beneficial effect has:

the utility model provides a urethra expander is mainly by cylindrical transparent plastic barrel, cylindrical piston, the end cover, the threaded rod, a handle, the lock sleeve, the silica gel circle, narrow department of urethra expansion pole and silica gel cover are constituteed, when using, can pack into the inside of cylindrical transparent plastic barrel with saline, rotate the motion of threaded rod drive cylindrical piston towards narrow department of urethra expansion pole through the handle, in-process towards narrow department of urethra expansion pole motion of cylindrical piston with the inside saline of cylindrical transparent plastic barrel impress the inside of narrow department of urethra expansion pole and enter the inside of silica gel cover, make the diameter grow of silica gel cover, thereby change the outer warp of narrow department of urethra expansion pole, carry out the in-process of urethra expansion for the patient, be convenient for according to the actual urethral condition of patient, adjust the outer warp size of narrow department of urethra expansion pole, thereby improve doctor's work efficiency, simultaneously can reach good expansion effect to narrow department of urethra.

Drawings

Fig. 1 is a schematic structural view of a urethral dilator according to an embodiment of the present invention;

fig. 2 is a first schematic diagram illustrating an exploded view of a urethral dilator according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an exploded structure of a urethral dilator according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 3 at view A;

fig. 5 is a schematic cross-sectional view of a urethral dilator according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a urethral dilator according to an embodiment of the present invention;

fig. 7 is an enlarged schematic view of view B in fig. 6.

In the drawings: 1. a cylindrical transparent plastic cylinder; 2. an end cap; 3. a threaded rod; 4. a handle; 5. a cylindrical connecting seat; 6. a urethral stricture dilating rod; 7. a locking sleeve; 8. a silica gel ring; 9. a silica gel sleeve; 10. capacity scale lines; 11. a spherical block; 12. a first through hole; 13. a second through hole; 14. a baffle ring; 15. a cylindrical piston.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

The urethral dilator provided in this embodiment, as shown in fig. 1 to 7, includes: the urethral stricture dilator is characterized by comprising a cylindrical transparent plastic barrel 1, a cylindrical piston 15, an end cover 2, a threaded rod 3, a handle 4, a locking sleeve 7, a silica gel ring 8, a urethral stricture dilation rod 6 and a silica gel sleeve 9.

Wherein, the one end of the cylindrical transparent plastic barrel 1 who sets up is the open end, and the integrative intercommunication of the other end of the cylindrical transparent plastic barrel 1 who sets up is equipped with cylinder connecting seat 5.

Wherein a cylindrical piston 15 is slidably mounted inside the cylindrical transparent plastic cylinder 1.

Wherein, the end cover 2 is sheathed at the opening end of the cylindrical transparent plastic cylinder body 1 by screw thread.

Wherein, install threaded rod 3 screw thread in the central point of end cover 2 department, and stretch into the inside one end of cylindrical transparent plastic barrel 1 with threaded rod 3 and cylindrical piston 15 back to the fixed connection of one end central point department of cylindrical connecting seat 5.

Wherein, the handle 4 is fixedly arranged at one end part of the threaded rod 3 which is positioned outside the cylindrical transparent plastic cylinder 1.

Wherein, the locking sleeve 7 is sheathed at one end of the cylindrical connecting seat 5 far away from the cylindrical transparent plastic cylinder 1 by screw thread.

Wherein, set up the inside at lock sleeve 7 with silica gel circle 8, and with silica gel circle 8 centre gripping between lock sleeve 7 and cylindrical connecting seat 5.

Wherein, pass the lock sleeve 7 with the one end of the narrow department expansion pole 6 of urethra and insert the inside of silica gel circle 8 and cylinder connecting seat 5 in proper order, the narrow department expansion pole 6's of urethra inside of setting is hollow structure, the narrow department expansion pole 6's of urethra inside and cylindrical transparent plastic barrel 1's of setting inside are linked together, usable lock sleeve 7 extrusion silica gel circle 8 is fixed the one end of the narrow department expansion pole 6 of urethra inside of cylinder connecting seat 5, silica gel circle 8 has sealed effect to the narrow department expansion pole 6 of urethra simultaneously, can prevent the weeping between the narrow department expansion pole 6 of urethra and the cylinder connecting seat 5.

Wherein, the one end of the silica gel cover 9 of setting is the blind end, and the other end of silica gel cover 9 is the open end, and with the other end outside of silica gel cover 9 suit at the narrow department expansion rod 6 of urethra to pass lock sleeve 7 with the open end of silica gel cover 9 and with silica gel circle 8 one end face seal and fixed connection of cylindrical transparent plastic cylinder 1 dorsad.

Adopt above-mentioned technical scheme's urethra expander mainly by cylindrical transparent plastic barrel 1, cylindrical piston 15, end cover 2, threaded rod 3, handle 4, lock sleeve 7, silica gel circle 8, narrow department of urethra expansion pole 6 and silica gel cover 9 constitute, when using, can pack into the inside of cylindrical transparent plastic barrel 1 with saline, rotate threaded rod 3 through handle 4 and drive cylindrical piston 15 towards narrow department of urethra expansion pole 6 motion, cylindrical piston 15 is pressed into the inside of narrow department of urethra expansion pole 6 and is gone into the inside of silica gel cover 9 towards the narrow department of urethra expansion pole 6 with the inside saline of cylindrical transparent plastic barrel 1 in the process of narrow department of urethra expansion pole 6 motion, make the diameter grow of silica gel cover 9, thereby change the outer warp of narrow department of urethra expansion pole 6, in the in-process of carrying out the urethra expansion for the patient, be convenient for according to the actual urethral condition of urethra of patient, adjust the outer warp size of narrow department of urethra expansion pole 6, thereby improve doctor's work efficiency, can reach good expansion effect to narrow department of urethra simultaneously.

It should be noted that, the operation mode that the cylindrical piston 15 is driven to move towards the urethral stricture expansion rod 6 by rotating the threaded rod 3 through the handle 4 can be adopted, so that the potential safety hazard caused to the patient due to the fact that the handle 4 is pushed by mistake in the urethral expansion process of the patient to increase the outer diameter of the urethral stricture expansion rod 6 accidentally can be avoided, and the safety of the urethral dilator is improved.

Example 2

The urethral dilator provided in this embodiment is different from that of embodiment 1 in that:

in order to prevent that narrow department expansion pole 6 of urethra from being torn off, there is a fender ring 14 at the one end tip fixed mounting of narrow department expansion pole 6 of urethra towards cylindrical transparent plastic barrel 1, fender ring 14 is located cylindrical transparent plastic barrel 1's inside, a terminal surface that fender ring 14 kept away from handle 4 and cylindrical transparent plastic barrel 1's a terminal wall internal surface and laminated each other, the fender ring 14 of setting can prevent that narrow department expansion pole 6 of urethra from being torn off, can cross the leakproofness that increases between the one end wall that narrow department expansion pole 6 of urethra and cylindrical transparent plastic barrel 1 kept away from fender ring 14 simultaneously.

In order to facilitate the high-temperature disinfection of the urethral stricture expansion rod 6, the urethral stricture expansion rod 6 is a stainless steel hollow rod body.

In order to make the narrow department of urethra expansion rod 6 can get into patient's urethra smoothly, the one end fixed mounting who keeps away from fender ring 14 at the narrow department of urethra expansion rod 6 has spherical piece 11, first through-hole 12 has been seted up to the central point department of putting of spherical piece 11, first through-hole 12 is linked together with the narrow department of urethra expansion rod 6's inside, the spherical piece 11 of setting has the guide effect, can make the narrow department of urethra expansion rod 6 can get into patient's urethra smoothly, the inside passageway that gets into silica gel cover 9 of normal saline that the narrow department of urethra expansion rod 6 inside comes out of urethra through-hole 12 that sets up.

In order to prevent that first through-hole 12 from being blockked up, this urethra expander can't use, still evenly seted up a plurality of second through-holes 13 at the lateral part of spherical block 11, a plurality of second through-holes 13 all are linked together with the inside of urethra stenosis department expansion rod 6, a plurality of second through-holes 13 that set up also are used for the inside normal saline that comes out of urethra stenosis department expansion rod 6 to get into the inside passageway of silica gel cover 9, can prevent that first through-hole 12 from blockking up the time, this urethra expander can't use.

In order to conform to the shape of the urethra, a bent part is provided at the position of the dilating rod 6 near the spherical block 11 at the narrow part of the urethra.

In order to control the amount of the pushed physiological saline entering the silica gel sleeve 9 conveniently, the surface of the cylindrical transparent plastic cylinder 1 is provided with the capacity scale mark 10, and the capacity scale mark 10 is used for being matched with the cylindrical piston 15 for use, so that the amount of the pushed physiological saline entering the silica gel sleeve 9 is controlled conveniently.

In order to ensure that the cylindrical piston 15 can enter the inner bottom of the cylindrical transparent plastic cylinder 1, the length of the threaded rod 3 is greater than that of the cylindrical transparent plastic cylinder 1.

In summary, the urethral dilator provided by the embodiment has the following advantages:

this urethra expander can change the outer warp of urethra stenosis department expansion rod 6, carries out the in-process of urethra expansion for the patient, is convenient for according to the condition of patient's actual urethra, adjusts the outer warp size of urethra stenosis department expansion rod 6 to improve doctor's work efficiency, can reach good expansion effect to urethra stenosis department simultaneously.

During the use, handheld cylindrical transparent plastic barrel 1, utilize normal saline to wet the surface of silica gel cover 9, then stretch into patient's urethra inside with the end of bending of urethra stenosis department expansion rod 6, according to the condition of patient's actual urethra, rotate the inside normal saline that cylindrical piston 15 drove cylindrical piston 15 towards urethra stenosis department expansion rod 6 through handle 4 and move, cylindrical piston 15 is pressed into the inside of urethra stenosis department expansion rod 6 and is gone into the inside of silica gel cover 9 towards the inside of urethra stenosis department expansion rod 6 with the inside normal saline of cylindrical transparent plastic barrel 1 in the process of urethra stenosis department expansion rod 6 motion, make the diameter grow of silica gel cover 9, with this outer warp that changes urethra stenosis department expansion rod 6, can expand patient's urethra stenosis department when increasing urethra stenosis department expansion rod 6 outer warp, can reach good expansion effect to urethra stenosis department.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (8)

1. A urethral dilator, comprising:

one end of the cylindrical transparent plastic cylinder body (1) is an opening end, and the other end of the cylindrical transparent plastic cylinder body is integrally communicated with a cylindrical connecting seat (5);

a cylindrical piston (15) slidably mounted inside the cylindrical transparent plastic cylinder (1);

the end cover (2) is sleeved at the opening end of the cylindrical transparent plastic cylinder body (1) in a threaded manner;

the threaded rod (3) is installed at the center of the end cover (2) in a threaded mode, and one end, extending into the cylindrical transparent plastic cylinder body (1), of the threaded rod (3) is fixedly connected with the center of one end, back to the cylindrical connecting seat (5), of the cylindrical piston (15);

the handle (4) is fixedly arranged at one end part of the threaded rod (3) positioned outside the cylindrical transparent plastic barrel (1);

the locking sleeve (7) is sleeved at one end, far away from the cylindrical transparent plastic cylinder body (1), of the cylindrical connecting seat (5) in a threaded mode;

the silica gel ring (8) is positioned inside the locking sleeve (7) and clamped between the locking sleeve (7) and the cylindrical connecting seat (5);

one end of the urethra stricture expansion rod (6) penetrates through the locking sleeve (7) and is sequentially inserted into the silica gel ring (8) and the cylindrical connecting seat (5), the interior of the urethra stricture expansion rod (6) is of a hollow structure, and the interior of the urethra stricture expansion rod (6) is communicated with the interior of the cylindrical transparent plastic barrel body (1);

silica gel cover (9), its one end is the blind end, and its other end is the open end, silica gel cover (9) suit is in the other end of narrow department expansion rod of urethra (6) is outside, the open end of silica gel cover (9) passes lock sleeve (7) and with silica gel circle (8) dorsad the one end face seal and the fixed connection of cylindrical transparent plastic barrel (1).

2. The urethral dilator according to claim 1, wherein a baffle ring (14) is fixedly mounted on the end of the urethral stricture dilating rod (6) facing the cylindrical transparent plastic cylinder (1), the baffle ring (14) is located inside the cylindrical transparent plastic cylinder (1), and an end surface of the baffle ring (14) facing away from the handle (4) and an inner surface of an end wall of the cylindrical transparent plastic cylinder (1) far away from the baffle ring (14) are fitted with each other.

3. A urethral dilator according to claim 2, characterised in that the urethral stricture dilation rod (6) is a stainless steel hollow rod body.

4. The urethral dilator according to claim 2, wherein a spherical block (11) is fixedly mounted on one end of the urethral stricture dilation rod (6) far away from the baffle ring (14), a first through hole (12) is formed in the center of the spherical block (11), and the first through hole (12) is communicated with the interior of the urethral stricture dilation rod (6).

5. A urethral dilator according to claim 4, characterised in that the side of the spherical block (11) is provided with a plurality of second through holes (13) uniformly, and the second through holes (13) are communicated with the inside of the dilating rod (6) at the urethral stricture.

6. A urethral dilator according to claim 5, characterised in that the urethral stricture dilating rod (6) is provided with a bend at a position close to the spherical blocks (11).

7. A urethral dilator according to claim 1, characterised in that the surface of the cylindrical transparent plastic cylinder (1) is provided with volume graduations (10).

8. A urethral dilator according to claim 1, characterised in that the length of the threaded rod (3) is greater than the length of the cylindrical transparent plastic barrel (1).

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