CN220125332U

CN220125332U - Injection needle for cystocele

Info

Publication number: CN220125332U
Application number: CN202320737633.5U
Authority: CN
Inventors: 方伟林
Original assignee: Shanghai Pudong New Area Gongli Hospital (the Second Military Medical University Affiliated Gongli Hospital)
Current assignee: Shanghai Pudong New Area Gongli Hospital (the Second Military Medical University Affiliated Gongli Hospital)
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-12-05
Anticipated expiration: 2033-04-06

Abstract

The utility model belongs to the field of urology department, and particularly relates to an intravesical botulinum toxin injection needle which comprises an outer tube and an inner tube which are arranged in a combined way, wherein an endoscope lens is arranged at the bottom of the inner tube, and a lamp bead is arranged at one side of the endoscope lens; the guide mechanism comprises a guide pipe arranged in the inner cavity of the inner pipe, a channel is formed in the middle of the guide pipe, and limiting grooves are formed in the inner wall of the guide pipe at intervals; the injection mechanism comprises an injection tube which is pulled to pass through the channel, the liquid outlet end of the injection tube is connected with a needle frame, the other end of the needle frame is connected to a needle head, and the outer wall of the injection tube is sleeved with a guide ring which slides up and down along the channel; the guide mechanism and the injection mechanism cooperate to adjust the length of the needle, and in the process of pushing the needle, the power for rotating the sealing cover can be provided, and the risk of puncture caused by the needle to the urethra before and after operation can be reduced through the opening and closing of the sealing cover mechanism, so that the use safety is improved.

Description

Injection needle for cystocele

Technical Field

The utility model relates to the field of urology department, in particular to an intravesical botulinum toxin injection needle.

Background

After spinal cord injury, "small bladder" and urination disorders occur, i.e., the bladder loses both urine storage and urination. If paralysis and urinary incontinence after fracture of cervical vertebra and thoracic vertebra are manifested as urine which is leaked out from time to time, urine is not wet, so that urine harassment is obvious, the condition is that the urinary bladder is contracted very little after spinal cord injury, urine is leaked out from a little by little, botulinum toxin is a very strong muscle relaxant, and the muscle relaxant can be used for beautifying and eliminating wrinkles, can be injected into the bladder wall to relax and expand the bladder contracted by the spasm, becomes a large bladder, and is convenient to cooperate with cleaning urinary catheterization because the bladder pressure is not high and the urine leakage is not generated when the urine is detected and 300-500ml of urine is stored.

When the botulinum toxin is injected into the bladder wall, the external needle head is easy to stab the inner wall of the urethra when the used injection needle head is pulled to the bladder from the urethra, so that complications such as urinary tract infection and the like are caused, and certain potential safety hazard exists.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background technology, the utility model provides an injection needle for the botulinum toxin in the bladder, which is characterized in that the injection needle is shielded before being placed in the bladder through a sealing mechanism and the length of the injection needle is adjustable.

(II) technical scheme

In order to solve the technical problems, the utility model provides an intravesical botulinum toxin injection needle which comprises an outer tube and an inner tube which are arranged in a combined way, wherein an endoscope lens is arranged at the bottom of the inner tube, and a lamp bead is arranged at one side of the endoscope lens;

the guide mechanism comprises a guide pipe arranged in the inner cavity of the inner pipe, a channel is formed in the middle of the guide pipe, and limiting grooves are formed in the inner wall of the guide pipe at intervals;

the injection mechanism comprises an injection tube which is pulled to pass through the channel, the liquid outlet end of the injection tube is connected with a needle frame, the other end of the needle frame is connected with a needle head, the outer wall of the injection tube is sleeved with a guide ring which slides up and down along the channel, and the outer wall of the guide ring is formed with a limiting block matched with the limiting groove;

the sealing mechanism comprises a shaft bracket arranged on the outer wall of the outer tube, a shaft lever is arranged in the middle of the shaft bracket, a rotatable roll-over stand is arranged on the outer wall of the shaft lever, and a cover plate attached to the bottom of the outer tube is connected to the roll-over stand.

Preferably, the combination of the injection tube and the guide ring integrally slides up and down along the channel, and the limiting block is embedded into the inner cavity of the limiting groove after rotating for 90 degrees.

Preferably, the limit grooves are arranged in three groups, and the spacing between the three groups of limit grooves is the same.

Preferably, the top extension surface of the needle head is opposite to the cover plate attached to the bottom end of the outer tube.

Preferably, the cover plate is of a semicircular structure, and is attached to the bottom half surface of the outer tube.

Preferably, the outer wall of the needle is sleeved with a lantern ring, and an elastic piece connected with the cover plate is formed outside the lantern ring.

The technical scheme of the utility model has the following beneficial technical effects: the guide mechanism and the injection mechanism cooperate to adjust the length of the needle, and in the process of pushing the needle, the power for rotating the sealing cover can be provided, and the risk of puncture caused by the needle to the urethra before and after operation can be reduced through the opening and closing of the sealing cover mechanism, so that the use safety is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a cover opening structure according to the present utility model;

fig. 4 is an enlarged schematic view of the a structure of the present utility model.

Reference numerals:

1. an outer tube; 2. an inner tube; 3. an endoscope lens; 4. a lamp bead; 51. a guide tube; 52. a channel; 53. a limit groove; 61. a syringe; 62. a needle holder; 63. a needle; 64. a guide ring; 65. a limiting block; 71. a shaft bracket; 72. a shaft lever; 73. a roll-over stand; 74. a cover plate; 75. an elastic member; 76. a collar.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

As shown in fig. 1-4, the injection needle for the cystocele provided by the utility model comprises an outer tube 1 and an inner tube 2 which are arranged in a combined way, wherein an endoscope head 3 is arranged at the bottom of the inner tube 2, and a lamp bead 4 is arranged at one side of the endoscope head 3;

the guide mechanism comprises a guide pipe 51 arranged in the inner cavity of the inner pipe 2, a channel 52 is arranged in the middle of the guide pipe 51, and limit grooves 53 are arranged on the inner wall at intervals;

the injection mechanism comprises an injection tube 61 which is pulled to pass through the channel 52, a needle frame 62 is connected to the liquid outlet end of the injection tube 61, the other end of the needle frame 62 is connected to a needle 63, a guide ring 64 which slides up and down along the channel 52 is sleeved on the outer wall of the injection tube 61, and a limiting block 65 which is matched with the limiting groove 53 is formed on the outer wall of the guide ring 64;

the capping mechanism comprises a shaft bracket 71 arranged on the outer wall of the outer tube 1, a shaft lever 72 is arranged in the middle of the shaft bracket 71, a rotatable roll-over stand 73 is arranged on the outer wall of the shaft lever 72, and a cover plate 74 attached to the bottom of the outer tube 1 is connected to the roll-over stand 73.

It should be noted that: the combination of the injection tube 61 and the guide ring 64 integrally slides up and down along the channel 52, and after rotating for 90 degrees, the limiting block 65 is embedded into the inner cavity of the limiting groove 53; when the needle 63 needs to be pushed, the combination of the syringe 61 and the guide ring 64 is pushed to slide downwards along the channel 52, the combination of the syringe 61 and the guide ring 64 is rotated by 90 degrees after sliding to a proper position, and the protruding limiting block 65 is partially embedded into the inner cavity of the limiting groove 53 to keep the needle 63 in a designated position.

Wherein, limit groove 53 sets up three altogether, and the interval is the same between the three limit groove 53 of group, can carry out three kinds of syringe needle 63 and advance the switching of length, adjustable syringe needle 63 pierces the depth of bladder wall muscle, promotes the suitability.

In this embodiment, the front end of the outer tube 1 placed in the bladder is semi-closed, the cover plate 74 is in a semicircular structure, the bottom half surface of the outer tube 1 is attached, the top extending surface of the needle 63 is opposite to the cover plate 74 attached to the bottom end of the outer tube 1, before the bladder is placed, the tip of the needle 63 is blocked by the cover plate 74 to prevent the urinary tract from being punctured, after the bladder is placed, the needle 63 is pushed forward through the sliding of the injection tube 61 in the channel 52, the needle 63 extends to the cover plate 74 to drive the roll-over stand 73 to rotate outwards along the shaft rod 72, the cover plate 74 is rotated to a position where the tip of the needle 63 is not blocked, and the botulinum toxin is conveniently injected into the muscle of the inner wall of the bladder.

The supplementary ones are: when the injection is completed and the injection needle needs to be taken out, the injection tube 61 and the guide ring 64 are rotated anticlockwise to form a whole 90 degrees, the locking limit of the limit block 65 and the limit groove 63 on the injection tube 61 is canceled, the injection tube 61 is pulled upwards, the needle 63 is driven to be recovered into the inner tube 2, the lantern ring 76 is sleeved on the outer wall of the needle 63, the elastic piece 75 connected with the cover plate 74 is formed outside the lantern ring 76, and when the elastic piece 75 is reset, the turnover frame 73 capable of driving the cover plate 74 rotates inwards along the shaft rod 72, the cover plate 74 is attached to the bottom of the outer tube 1, and the damage to the urethra in the recovery process of the outer tube 1 is prevented.

Wherein, the cover plate 74 of the semicircle structure only shields the needle 63, and the endoscope head 3 and the lamp beads 4 are always exposed outside for the internal peeping and illumination in the bladder process of the outer tube 1, and the traditional endoscopic function is not affected.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The cystocele injection needle is characterized by comprising an outer tube (1) and an inner tube (2) which are arranged in a combined way, wherein an endoscope head (3) is arranged at the bottom of the inner tube (2), and a lamp bead (4) is arranged at one side of the endoscope head (3);

the guide mechanism comprises a guide pipe (51) arranged in the inner cavity of the inner pipe (2), a channel (52) is formed in the middle of the guide pipe (51), and limiting grooves (53) are formed in the inner wall of the guide pipe at intervals;

the injection mechanism comprises an injection tube (61) which is pulled to pass through the channel (52), a liquid outlet end of the injection tube (61) is connected with a needle frame (62), the other end of the needle frame (62) is connected to a needle head (63), a guide ring (64) which slides up and down along the channel (52) is sleeved on the outer wall of the injection tube (61), and a limiting block (65) which is matched with the limiting groove (53) is formed on the outer wall of the guide ring (64);

the sealing mechanism comprises a shaft bracket (71) arranged on the outer wall of the outer tube (1), a shaft lever (72) is arranged in the middle of the shaft bracket (71), a rotatable roll-over stand (73) is arranged on the outer wall of the shaft lever (72), and a cover plate (74) attached to the bottom of the outer tube (1) is connected to the roll-over stand (73).

2. An intravesical botulinum toxin injection needle according to claim 1, wherein the combination of the injection tube (61) and the guide ring (64) is integrally slid up and down the channel (52) and the stopper (65) is inserted into the cavity of the stopper groove (53) after 90 ° rotation.

3. An intravesical botulinum toxin injection needle according to claim 1, wherein the limiting grooves (53) are provided in three groups, the spacing between the three groups of limiting grooves (53) being the same.

4. An intravesical botulinum toxin injection needle according to claim 1, wherein the protruding surface of the needle (63) is facing the cover plate (74) attached to the bottom end of the outer tube (1).

5. An intravesical botulinum toxin injection needle according to claim 1, characterized in that the cover plate (74) is of "semi-circular" configuration, attached to the bottom half of the outer tube (1).

6. An intravesical botulinum toxin injection needle according to claim 1, characterized in that the outer wall of the needle (63) is sleeved with a collar (76), the exterior of the collar (76) being formed with an elastic member (75) connecting the cover plate (74).