CN113116457B - Guiding urethral calculus extractor - Google Patents
Guiding urethral calculus extractor Download PDFInfo
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- CN113116457B CN113116457B CN202110404542.5A CN202110404542A CN113116457B CN 113116457 B CN113116457 B CN 113116457B CN 202110404542 A CN202110404542 A CN 202110404542A CN 113116457 B CN113116457 B CN 113116457B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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Abstract
The utility model provides a guide urethral calculus extractor, relates to medical technical field, including sleeve pipe handle, guiding tube, ring channel, inflation gasbag, connecting pipe, broken dish, gas tube, miniature air pump connection, disappointing valve, during initial condition, the external diameter of inflation gasbag equals or is less than the external diameter of guiding tube, and when getting the stone, miniature air pump aerifys to the inflation gasbag, props up and expands diameter urethra inner wall through the inflation gasbag. The invention takes out the calculus in a mode of gradual guiding by the expansion air bag, can obviously relieve the pain of a patient and avoids the damage to the urethral wall.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a guide type urethral calculus extractor.
Background
The urethral calculus extractor in the prior art is lack of a protection mechanism for the inner wall of the urethra, the urethra is easy to be damaged, for example, the urethral calculus is grabbed by claws when being taken, and the urethral calculus is taken out in a hard pulling mode after being taken. Patients experience great pain both during and after stone removal, and improvements in this manner are needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a guide-type urethral calculus extractor.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a guide urethral calculus extractor, includes sleeve pipe handle and is used for penetrating the guiding tube of urethra, the outer wall surface lower extreme of guiding tube and the inner wall surface upper portion sliding connection of sleeve pipe handle, the outer wall surface upper end of guiding tube coaxial be equipped with the ring channel, the ring channel in be equipped with the inflation gasbag, the tank bottom fixed connection of interior terminal surface and ring channel of inflation gasbag, be equipped with the inner chamber that link up the guiding tube and the inside connecting pipe of inflation gasbag at the tank bottom of ring channel, the top of guiding tube be equipped with broken dish, the top of guiding tube face and the bottom face sealing fixed connection of broken dish, the outer wall surface upper portion of sleeve pipe handle be equipped with the gas tube that link up sleeve pipe handle, inner chamber, the guiding tube bottom seal, the gas tube be connected with miniature air pump, still be equipped with the release valve on the pipe wall that the gas tube is located the sleeve pipe handle outside, when the stone is taken, the micro air pump inflates the expansion air bag, and the inner wall of the urethra is propped up and expanded by the expansion air bag.
Preferably, the crushing disc is of a flat cylindrical structure, the outer edge of the top end face of the crushing disc is coaxially provided with an annular protective guide plate, and a plurality of spine structures are uniformly distributed on the top end face of the crushing disc on the inner side of the annular guide plate around the axis of the crushing disc.
Preferably, the inner cavity in still be equipped with the center tube coaxially, the upper end of center tube link up the top upper surface of broken dish, the lower extreme link up the bottom lower surface of guide tube, sliding connection has the wire drawing in the center tube, the upper end salient of wire drawing in the upper surface of broken dish to be equipped with broken needle in the upper end of wire drawing, the lower extreme of wire drawing extend into in the sleeve pipe handle to be connected with vibration mechanism.
Preferably, the lower part in the sleeve pipe handle be equipped with the battery case, the battery case in be equipped with the battery, be equipped with vibration mechanism in the center department of the top surface of battery case, vibration mechanism be miniature vibrating motor, miniature vibrating motor and miniature air pump respectively with battery electric connection, the lower extreme and the miniature vibrating motor of wire drawing be connected to vibrate from top to bottom along the center tube under miniature vibrating motor's vibration.
Preferably, the upper end face of the battery box where the periphery of the miniature vibration motor is located is further provided with an annular pressure sensor coaxial with the sleeve pipe handle, a spring is connected between the upper end face of the annular pressure sensor and the outer surface of the lower end of the guide pipe, and the annular pressure sensor is electrically connected with the battery.
Preferably, the outer wall of the sleeve handle at the intersection of the inflation tube and the sleeve handle is also longitudinally provided with a bar-shaped abdicating groove, and the inflation tube is in sliding connection with the bar-shaped abdicating groove.
Preferably, the outer wall surface of the sleeve handle is further provided with a display, and the display is electrically connected with the annular pressure sensor through a wire.
Preferably, the outer wall surface of the sleeve handle is further provided with a micro air pump control switch 6 and a micro vibration motor control switch 7.
The invention discloses a guide-type urethral calculus remover, which has the following beneficial effects:
1. the calculus is gradually taken out in a guiding calculus taking mode, so that the damage to the urethral wall of a patient during operation can be avoided as much as possible, and the pain of the patient is relieved.
2. When the calculus falls, the calculus can be damaged by the spine structure, falls behind, the miniature vibration motor is started, the calculus can be crushed by crushing, and the subsequent taking-out process of the calculus is more and more simple and convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention in operation;
FIG. 2 is an enlarged view of a portion of the structure of the present invention A;
FIG. 3 is a schematic cross-sectional view of the present invention;
01. the device comprises a urethral wall, 02, calculi, 1, a sleeve handle, 2, a guide tube, 3, an air release valve, 4, a strip-shaped abdicating groove, 5, a display, 6, a micro air pump control switch, 7, a micro vibration motor control switch, 8, an expansion air bag during working, 9, a crushing disc, 10, an annular guide plate, 11, a guide tube wall, 12, a battery, 13, an annular pressure sensor, 14, a vibration mechanism, 15, a spring, 16, a wire drawing, 17, a central tube, 18, an inner surface of an inner cavity, 19, an inflation tube, 20, an inner cavity, 21, an expansion air bag, 22, a crushing needle, 23 and a sharp thorn structure.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.
Examples 1,
A guide type urethral calculus extractor is shown in figures 1-3 and comprises a sleeve handle 1 and a guide tube 2 for penetrating into urethra, the lower end of the outer wall surface of the guide tube 2 is connected with the upper part of the inner wall surface of the sleeve handle 1 in a sliding way, the upper end of the outer wall surface of the guide tube 2 is coaxially provided with an annular groove, an expansion airbag 21 is arranged in the annular groove, the inner end surface of the expansion airbag 21 is fixedly connected with the bottom of the annular groove, the bottom of the annular groove is provided with a connecting tube which penetrates through the inner cavity 20 of the guide tube 2 and the inside of the expansion airbag 21, the top end of the guide tube 2 is provided with a crushing disc 9, the top end surface of the guide tube 2 is fixedly connected with the bottom end surface of the crushing disc 9 in a sealing way, the upper part of the outer wall surface of the sleeve handle 1 is provided with an inflation tube 19 which penetrates through the sleeve handle 1 and the inner cavity 20, and the bottom end of the guide tube is closed, the inflatable tube 19 is connected with a miniature air pump, the tube wall of the inflatable tube 19, which is positioned at the outer side of the sleeve handle, is also provided with an air release valve, the outer diameter of the inflatable air bag 21 is equal to or less than that of the guide tube 2 in the initial state, the miniature air pump inflates the inflatable air bag when stones are taken, and the inner wall of the urethra is supported and expanded by the inflatable air bag.
The embodiment discloses a basic structure of the invention, when in use, the urethra of a patient needs to be in a downward inclined posture so that stones can slide down by means of dead weight, on the basis, a guide tube 2 is inserted into the urethra of the patient, as shown in figures 1 and 2, when stones are close to the stones, a certain distance is kept between a crushing disc 9 and stones 02, then an expansion air bag 21 is inflated by a miniature air pump, the urethral wall 01 of the patient is expanded after the expansion air bag 21 is expanded, the stones above the expansion air bag naturally loosen and fall to the top of the crushing disc, then an air release valve is opened to restore the original size of the expansion air bag, the guide tube 2 is pulled down for a certain distance, the urethral wall 01 is expanded by the expansion air bag again, the stones 02 fall down again at the moment, and then the stones are taken out slowly in a guiding mode.
The above-described embodiments of the present invention are based on the elasticity of the human urethral wall, and apply artificial pressure to the extent that the wall can be inflated, and the limit should be taken into consideration when designing the inflatable balloon, and the gas flow rate is controlled during inflation to expand the urethral wall within a safe range, thereby promoting the expulsion of calculi.
Compared with the prior art, the invention takes out the calculus in a mode of gradually guiding by the expansion air bag, can obviously relieve the pain of a patient and avoids the damage to the urethral wall.
Examples 2,
The embodiment is an improvement made on the basis of the above embodiment, and specifically includes:
as shown in fig. 1-3, the crushing disc 9 is a flat cylindrical structure, an annular protective guide plate 10 is coaxially arranged at the outer edge of the top end surface of the crushing disc 9, and a plurality of spine structures 23 are uniformly distributed on the top end surface of the crushing disc 9 at the inner side of the annular guide plate 10 around the axis of the crushing disc; the annular guide plate 10 plays a guiding role, namely the guide tube 2 is led to penetrate into the urethra, and the outer edge of the top end of the annular guide plate is provided with a round chamfer, so that the annular guide plate can not damage the urethral wall, and can isolate the urethral wall from the spine structure 23, thereby preventing the spine structure 23 from stabbing the urethral wall; meanwhile, when the calculus 02 falls on the crushing disc 9, the spine structure 23 can crush the calculus, so that the calculus is crushed into small pieces to be conveniently discharged.
Examples 3,
The embodiment is an improvement on the basis of the above embodiment, and specifically includes:
as shown in fig. 3, a central tube 17 is further coaxially arranged in the inner cavity 20, the upper end of the central tube 17 penetrates through the upper surface of the top end of the crushing disc, the lower end of the central tube 17 penetrates through the lower surface of the bottom end of the guide tube 2, a pull wire 16 is slidably connected in the central tube 17, the upper end of the pull wire 16 protrudes out of the upper surface of the crushing disc, a crushing needle 22 is arranged at the upper end of the pull wire, and the lower end of the pull wire 16 extends into the sleeve handle and is connected with the vibration mechanism 14; the breaking needle 22 should be a hard metal material to facilitate breaking of the stone;
as shown in fig. 3, a battery box is arranged at the lower part in the sleeve pipe handle, a battery 12 is arranged in the battery box, a vibration mechanism 14 is arranged at the center of the outer surface of the top end of the battery box, the vibration mechanism 14 is a micro vibration motor, the micro vibration motor and a micro air pump are respectively electrically connected with the battery, the lower end of the wire drawing 16 is connected with the micro vibration motor, and the wire drawing vibrates up and down along a central pipe 17 under the vibration of the micro vibration motor; the micro vibration motor is widely applied to the mobile phone industry, and is a commercially available product including a micro vibration pump;
as shown in fig. 3, an annular pressure sensor 13 coaxial with the sleeve handle is further arranged on the upper end surface of the battery box where the periphery of the micro vibration motor is located, a spring 15 is connected between the upper end surface of the annular pressure sensor 13 and the outer surface of the lower end of the guide tube 2, and the annular pressure sensor 13 is electrically connected with the battery; when the calculus falls on the crushing disc, the annular pressure sensor 13 senses the pressure change and displays the pressure value on a display 5 which is described below, an operator observes the pressure value change to know that the calculus falls on the crushing disc, and then the miniature vibration motor is started, and the crushing needle crushes the calculus under vibration;
as shown in fig. 1 and 3, a strip-shaped abdicating groove 4 is further longitudinally arranged on the outer wall of the casing handle at the intersection of the inflation tube 19 and the casing handle, and the inflation tube 19 is slidably connected with the strip-shaped abdicating groove 4; the strip-shaped abdicating groove 4 is arranged for matching the pressure of the calculus on the guide tube, namely, under the pressure, the guide tube 2 can slide downwards along the inner wall of the sleeve handle, and the strip-shaped abdicating groove 4 can abdicate the sliding space of the inflatable tube;
as shown in fig. 1, a display 5 is further disposed on the outer wall surface of the casing handle, and the display 5 is electrically connected to the annular pressure sensor 13 through a wire;
as shown in fig. 1, a micro air pump control switch 6 and a micro vibration motor control switch 7 are further disposed on the outer wall surface of the casing handle.
The use principle of the invention is as follows:
1. the calculus is gradually taken out in a guiding calculus taking mode, so that the damage to the urethral wall of a patient during operation can be avoided as much as possible, and the pain of the patient is relieved.
2. When the calculus falls, the calculus can be damaged by the spine structure, the miniature vibration motor is started after falling, and the calculus can be broken through breaking, so that the follow-up calculus taking process is more and more simple and convenient.
Claims (7)
1. A guided urethral stone extractor characterized by: the urethral catheter comprises a catheter handle and a guide catheter used for penetrating into the urethra, the lower end of the outer wall surface of the guide catheter is in sliding connection with the upper part of the inner wall surface of the catheter handle, the upper end of the outer wall surface of the guide catheter is coaxially provided with an annular groove, an expansion airbag is arranged in the annular groove, the inner end surface of the expansion airbag is fixedly connected with the groove bottom of the annular groove, a connecting pipe which penetrates through the inner cavity of the guide catheter and the inner part of the expansion airbag is arranged at the groove bottom of the annular groove, a crushing disc is arranged at the top end of the guide catheter, the top end surface of the guide catheter is fixedly connected with the bottom end surface of the crushing disc in a sealing way, an inflation tube which penetrates through the catheter handle and the inner cavity is arranged on the upper part of the outer wall surface of the catheter handle, the bottom end of the guide catheter is sealed, the inflation tube is connected with a micro air pump, an air escape valve is also arranged on the tube wall of the outer side of the catheter handle, and in the initial state, the outer diameter of the expansion air bag is equal to or less than that of the guide tube, when stones are taken, the micro air pump inflates the expansion air bag, and the inner wall of the urethra is supported and expanded by the expansion air bag;
the crushing disc is of a flat cylindrical structure, an annular protective guide plate is coaxially arranged at the outer edge of the top end face of the crushing disc, and a plurality of spine structures are uniformly distributed on the top end face of the crushing disc at the inner side of the annular guide plate around the axis of the crushing disc;
the structure of the inflatable air bag is that: the expansion limit of the human urethra is considered when the expansion air bag is designed, so that the expansion air bag can open the urethral wall in the safety range of the expansion of the human urethra, the inner diameter of the opened urethra is larger than the inner diameter of the urethra which is not opened above the opened urethra, and the stones are promoted to fall to the top of the crushing disc by the gravity of the stones; when the calculus falls on the crushing disc, the spine structure can crush the calculus and promote the calculus to be crushed into small pieces.
2. A guided urethral stone extractor as in claim 1 wherein: the inner cavity in still coaxial be equipped with the center tube, the upper end of center tube link up the top upper surface of broken dish, the lower extreme link up the bottom lower surface of guide tube, sliding connection has the wire drawing in the center tube, the upper end salient of wire drawing in the upper surface of broken dish to be equipped with broken needle in the upper end of wire drawing, the lower extreme of wire drawing extend into in the sleeve pipe handle to be connected with vibration mechanism.
3. A guided urethral stone extractor as in claim 2 wherein: the sleeve pipe handle in the lower part be equipped with the battery case, the battery case in be equipped with the battery, be equipped with vibration mechanism in the center department of the top surface of battery case, vibration mechanism be miniature vibrating motor, miniature vibrating motor and miniature air pump respectively with battery electric connection, the lower extreme and the miniature vibrating motor of wire drawing be connected to vibrate from top to bottom along the center tube under miniature vibrating motor's vibration.
4. A guided urethral stone extractor as in claim 3 wherein: the miniature vibration motor is characterized in that an annular pressure sensor coaxial with the sleeve pipe handle is further arranged on the upper end face of the battery box where the periphery of the miniature vibration motor is located, a spring is connected between the upper end face of the annular pressure sensor and the outer surface of the lower end of the guide pipe, and the annular pressure sensor is electrically connected with the battery.
5. A guided urethral stone extractor as in claim 4 wherein: the outer wall of the sleeve handle at the intersection of the inflation tube and the sleeve handle is also provided with a bar-shaped yielding groove along the longitudinal direction, and the inflation tube is connected with the bar-shaped yielding groove in a sliding manner.
6. A guided urethral stone extractor as in claim 5 wherein: the outer wall surface of the sleeve pipe handle is also provided with a display, and the display is electrically connected with the annular pressure sensor through a lead.
7. A guided urethral stone extractor as claimed in any one of claims 3-6, wherein: the outer wall surface of the sleeve handle is also provided with a micro air pump control switch and a micro vibration motor control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110404542.5A CN113116457B (en) | 2021-04-15 | 2021-04-15 | Guiding urethral calculus extractor |
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| CN202110404542.5A CN113116457B (en) | 2021-04-15 | 2021-04-15 | Guiding urethral calculus extractor |
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| CN113116457A CN113116457A (en) | 2021-07-16 |
| CN113116457B true CN113116457B (en) | 2022-09-09 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113893439B (en) * | 2021-11-12 | 2023-06-30 | 新疆维吾尔自治区人民医院 | Urethra protecting sheath for treating urinary system calculus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401974A (en) * | 2020-11-20 | 2021-02-26 | 姜升旭 | Urological department calculus stone breaking instrument |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5190557A (en) * | 1991-10-03 | 1993-03-02 | Urological Instrument Research, Inc. | Vibratory method and instrument for extracting stones from urinary tract |
| WO2006060658A2 (en) * | 2004-12-01 | 2006-06-08 | Ethicon Endo-Surgery, Inc. | Apparatus and method for stone capture and removal |
| CN102247190A (en) * | 2011-05-30 | 2011-11-23 | 路建磊 | Small simple lithotriptor |
| CN203988231U (en) * | 2014-05-14 | 2014-12-10 | 青岛市中心医院 | A kind of calculus is rinsed adsorber |
| CN204723134U (en) * | 2015-06-03 | 2015-10-28 | 贝忠东 | A kind of casing bit for urinary calculi rubble |
| CN107854154A (en) * | 2017-12-16 | 2018-03-30 | 许建民 | A kind of GI Medicine lithotriptor |
| CN210447128U (en) * | 2018-01-12 | 2020-05-05 | 郑州大学第一附属医院 | Novel urological calculus washing device |
| CN111839661A (en) * | 2020-08-14 | 2020-10-30 | 上海市东方医院（同济大学附属东方医院） | Balloon catheter for lithotripsy |
| CN112206035B (en) * | 2020-09-09 | 2021-07-16 | 河南科技大学第一附属医院 | Calculus removing device for hepatobiliary surgery |
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2021
- 2021-04-15 CN CN202110404542.5A patent/CN113116457B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401974A (en) * | 2020-11-20 | 2021-02-26 | 姜升旭 | Urological department calculus stone breaking instrument |
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