CN214805117U

CN214805117U - Urinary system calculus extraction element

Info

Publication number: CN214805117U
Application number: CN202120098112.0U
Authority: CN
Inventors: 魏久富; 李绍林
Original assignee: Affiliated Hospital of Chifeng University
Current assignee: Affiliated Hospital of Chifeng University
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-23
Anticipated expiration: 2031-01-14

Abstract

The utility model provides a urinary system calculus extraction device, which comprises a sleeve, wherein two ends of the sleeve are respectively provided with a handle and a hook, a metal wire is arranged in the sleeve along the length direction of the sleeve in a penetrating manner, the metal wire can penetrate out of the sleeve and is connected with the hook, a guide cavity is arranged in the handle, a slide block is arranged in the guide cavity in a guiding manner, the metal wire can extend into the guide cavity and is connected with the slide block, and the handle is also provided with an electromagnet, a control switch and a power supply which are sequentially and electrically connected; the electro-magnet can drive after the circular telegram the slider is in the direction intracavity slides to the pulling the wire to the direction motion of handle, through setting up the electro-magnet, provide the adsorption affinity through the electro-magnet to the sliding block, realize the pulling wire, thereby make the dynamics of pulling the wire can be unanimous, avoid the wire to break, make calculus extraction element easy to operate.

Description

Urinary system calculus extraction element

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to urinary system calculus extraction element.

Background

Urinary calculus is a common disease, great pain is brought to people, and if the urinary calculus cannot be taken out in time, certain threat can be caused to the health of human bodies.

At present, two stone extraction devices for the urinary system are provided, one is a stone extraction forceps, and the other is a stone casing basket, but the two stone extraction devices are difficult to avoid damaging a ureter during stone extraction, so that the operation difficulty is high; chinese patent (CN204683705U) discloses a urinary system calculus extraction device, which refers to fig. 1, but when the device takes out calculus, it needs to manually slide the sliding piece 6 to drive the sliding block 5 to move, and the sliding block pulls the metal wire 4 to make the hook 3 hook out calculus; in the use process of the device, a certain force is required to be applied to the sliding piece by the experience of medical staff so as to enable the sliding block 5 to slide, but the diameters of the metal wire 4 and the hook 3 are very thin, and the metal wire can be broken when the force is excessively applied, so that the device is difficult to operate for users with insufficient experience.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the application provides a urinary system calculus extraction element, through setting up the electro-magnet, provides magnetic force through the electro-magnet to the slider, makes the slider slide, realizes pulling the wire to make the dynamics of pulling the wire can be unanimous, avoid the wire to break, make calculus extraction element easy to operate.

The utility model provides a urinary system calculus extraction device, which comprises a sleeve, wherein two ends of the sleeve are respectively provided with a handle and a hook, a metal wire is arranged in the sleeve along the length direction of the sleeve in a penetrating manner, the metal wire can penetrate out of the sleeve and is connected with the hook, a guide cavity is arranged in the handle, a slide block is arranged in the guide cavity in a guiding manner, the metal wire can extend into the guide cavity and is connected with the slide block, and the handle is also provided with an electromagnet, a control switch and a power supply which are sequentially and electrically connected; the electromagnet can drive the sliding block to slide in the guide cavity along a first direction after being electrified, so that the metal wire is pulled to move towards the direction of the handle.

Further, a spring is arranged in the guide cavity, and the elastic force direction of the spring to the slide block 21 is opposite to the first direction.

Further, the sliding block is made of a ferromagnetic material or a ferromagnetic material is arranged on the sliding block.

Further, the sliding block is made of a permanent magnet or a permanent magnet is arranged on the sliding block.

Furthermore, the cavity direction of the guide cavity is arranged along the length direction of the sleeve, one end, far away from the sleeve, of the guide cavity is provided with an electromagnet installation cavity, and the electromagnet is arranged in the electromagnet installation cavity.

Furthermore, the spring is a pressure spring, and the pressure spring is arranged between the sliding block and the electromagnet.

Furthermore, the spring is a tension spring, one end of the tension spring is connected with one surface, far away from the electromagnet, of the sliding block, and the other end of the tension spring is connected with the installation cavity.

Furthermore, a first bin, a second bin and a wire channel communicated with the first bin, the second bin and the electromagnet installation cavity are arranged in the handle, the control switch is arranged in the first bin, and the power supply is arranged in the second bin.

Furthermore, the first bin is arranged close to one end of the sleeve, and the second bin is arranged far away from one end of the sleeve.

The utility model provides a pair of urinary system calculus extraction element has following beneficial effect.

1. Through setting up the electro-magnet, provide the adsorption affinity through the electro-magnet to the sliding block, realize the pulling wire to the dynamics that makes the pulling wire can be unanimous, can avoid breaking up because of the too big wire that leads to of power, make inexperienced user also can easily use, make calculus extraction element easy to operate.

2. The first bin and the second bin are arranged in the handle, and the guide channel for communicating the first bin with the second bin and the electromagnet placing bin is arranged in the handle, so that the control switch and the power supply can be arranged in the handle, and the wires are distributed in the handle; and the first bin is arranged at one end close to the sleeve, so that medical personnel can conveniently control the control switch arranged in the first bin.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a urinary system calculus extraction device in the prior art.

Fig. 2 is a schematic view of the overall structure of the urinary system calculus extracting device provided by the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the handle of the urinary system calculus extracting device provided by the present invention.

Fig. 4 is a schematic view of a partially enlarged structure of a position a in the urinary system calculus extracting device provided by the present invention.

Fig. 5 is a schematic view of a local enlarged structure at a position B in the urinary system calculus extracting device provided by the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The utility model provides a urinary system calculus extraction device, as a specific implementation mode, refer to fig. 2-5, this calculus extraction device includes sleeve pipe 1, the both ends of sleeve pipe 1 are provided with handle 2 and crotch 3 respectively, the inside of sleeve pipe 1 is worn to be equipped with wire 11 along its length direction, wire 11 can wear out sleeve pipe 1 with crotch 3 is connected, handle 2 is inside to be provided with direction chamber 20, the direction is provided with slider 21 in the direction chamber 20, wire 11 can stretch into in the direction chamber 20 with slider 21 is connected, handle 2 still is provided with electro-magnet 22, control switch 24 and power 23 that the order electricity is connected; when energized, the electromagnet 22 can drive the slider 21 to slide in the first direction in the guide cavity 20, so as to pull the wire 11 to move towards the handle 2. The electromagnet generates magnetic force after being electrified and can drive the sliding block to slide, and it should be understood that the electromagnet can drive the sliding block to move by magnetic adsorption or drive the sliding block to move by magnetic repulsion, wherein the section of the guide cavity can be in a shape of multiple variants such as a circle, a rectangle and the like, and is not limited here, and the guide cavity can be set to be consistent with the length direction of the sleeve or intersected with the length direction of the sleeve; the working principle of the stone removing device is that the electromagnet is powered on through the control switch 24, the electromagnet drives the sliding block to move along the first direction, the sliding block pulls the metal wire to move towards the direction close to the handle, so that the hook 3 is pulled to hook a stone to fix the stone, then the control switch enables the electromagnet to be powered on continuously, the stone is taken out of a human body, then the electromagnet is powered off, the stone is loosened from the hook 3, and the hook can be pulled out manually. Through setting up the electro-magnet, provide magnetic force to the slider through the electro-magnet, make the slider slide along the direction chamber, realize the pulling wire to the dynamics that makes the pulling wire can be unanimous, can avoid breaking up because of the too big wire that leads to of power, make inexperienced user also can light use, make calculus extraction element easy to operate.

Further, referring to fig. 3 and 4, as a preferred embodiment, a spring 4 is further disposed in the guide cavity 20, and a direction of an elastic force of the spring 4 on the slider 21 is opposite to the first direction. Through the arrangement mode, when the electric magnet is electrified, the electric magnet can drive the sliding block to move to pull the metal wire to perform the action of clamping the calculus, after the calculus is taken out of a human body, the electric magnet is powered off through the control switch 24, the magnetism disappears at the moment, the sliding block 21 can be pushed to the direction opposite to the first direction through the spring 4, the metal wire is loosened, and the calculus can fall from the automatic hook.

In a first practical embodiment, the slider 21 is made of a ferromagnetic material or is provided with a ferromagnetic material, so that the electromagnet can attract the slider to move the slider after being electrified.

Further, as another realizable embodiment, the slide block 21 is made of a permanent magnet or the slide block is provided with a permanent magnet, and by this arrangement, the slide block can be moved by the magnetic attraction force or the repulsion force between the electromagnet and the permanent magnet after the electromagnet is electrified; it should be noted that, when the magnetic directions of the electromagnet and the permanent magnet are opposite, the arrangement of the electromagnet should be: the direction from the electromagnet to the sliding block is the same as the first direction; when the magnetic direction of the electromagnet is the same as that of the magnet, the arrangement of the electromagnet is as follows: the direction from the electromagnet to the slide should be opposite to said first direction.

Further, referring to fig. 2 and 3, as a preferred embodiment, the cavity direction of the guide cavity 20 is arranged along the length direction of the sleeve 1, the end of the guide cavity 20 away from the sleeve 1 is provided with an electromagnet installation cavity 2a, and the electromagnet 22 is arranged in the electromagnet installation cavity 2a, it should be noted that, in this case, the slider may be made of a permanent magnet or provided with a permanent magnet on the upper portion or an iron-adsorbing material on the upper portion, but when the slider is made of a permanent magnet or provided with a permanent magnet on the upper portion, the magnetic direction of the permanent magnet should be in adsorption connection with the electromagnet, and the magnetic direction of the electromagnet after being energized is opposite, and the first direction is the direction from the sleeve to the handle.

Further, referring to fig. 2 and 3, as a specific embodiment, the spring 4 is a compression spring disposed between the slider 21 and the electromagnet 22.

Further, as another realizable embodiment, the spring 4 may also be a tension spring (not shown in the figure), one end of the tension spring is connected to a surface of the slider 21 away from the electromagnet 22, and the other end of the tension spring is connected to the installation cavity 10, and this arrangement may achieve the same effect, and a hook is disposed on a side surface or a bottom surface of the installation cavity, and the tension spring may be connected to the installation cavity 10 through the hook.

Further, referring to fig. 5, a first bin 2c, a second bin 2b and a wire channel 2d communicating the first bin 2c, the second bin 2b and the electromagnet installation cavity 2a are arranged in the handle 2, the control switch 24 is arranged in the first bin 2c, and the power supply 23 is arranged in the second bin 2 b; the first bin 2c is arranged close to one end of the sleeve 1, and the second bin 2b is arranged far away from one end of the sleeve 1; an opening (25) communicated with the outside is formed in the first bin (2 c), and a control button (241) of the control switch (24) can be exposed from the opening (25). The first bin and the second bin are arranged in the handle, and the guide channel for communicating the first bin with the second bin and the electromagnet placing bin is arranged in the handle, so that the control switch and the power supply can be arranged in the handle, and the wires are distributed in the handle; and set up the one end near the sleeve pipe with first storehouse, can make things convenient for medical staff to control the control switch who sets up in first storehouse, refer to fig. 5, be provided with charger 231 in the second storehouse 2b, the handle can be exposed to the charging hole of charger.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A urinary system calculus extraction device comprises a sleeve (1), wherein a handle (2) and a hook (3) are respectively arranged at two ends of the sleeve (1), a metal wire (11) penetrates through the sleeve (1) along the length direction of the sleeve (1), the metal wire (11) can penetrate out of the sleeve (1) and is connected with the hook (3), the urinary system calculus extraction device is characterized in that a guide cavity (20) is arranged inside the handle (2), a sliding block (21) is arranged in the guide cavity (20) in a guiding mode, the metal wire (11) can extend into the guide cavity (20) and is connected with the sliding block (21), and the handle (2) is further provided with an electromagnet (22), a control switch (24) and a power supply (23) which are sequentially electrically connected; the electromagnet (22) can drive the sliding block (21) to slide in a first direction in the guide cavity (20) after being electrified, so that the metal wire (11) is pulled to move towards the direction of the handle (2).

2. The urinary system stone extraction device as claimed in claim 1, wherein a spring (4) is further disposed in the guide chamber (20), and the spring (4) biases the slider (21) in a direction opposite to the first direction.

3. The urinary system stone extraction device as claimed in claim 1, characterized in that the slider (21) is made of or provided with a ferromagnetic material.

4. The urinary system stone extraction device as claimed in claim 1, characterized in that the slide (21) is made of or provided with a permanent magnet.

5. The urinary system stone extraction device according to claim 2, wherein the cavity direction of the guiding cavity (20) is arranged along the length direction of the casing (1), the end of the guiding cavity (20) far away from the casing (1) is provided with an electromagnet installation cavity (2 a), and the electromagnet (22) is arranged in the electromagnet installation cavity (2 a).

6. The urinary system stone extraction device according to claim 5, characterized in that the spring (4) is a compression spring, which is arranged between the slide (21) and the electromagnet (22).

7. The urinary system stone extraction device according to claim 5, characterized in that the spring (4) is a tension spring, one end of which is connected with the side of the slide block (21) away from the electromagnet (22), and the other end is connected with the mounting cavity (10).

8. The urinary system stone extraction device according to claim 5, wherein a first chamber (2 c), a second chamber (2 b) and a wire channel (2 d) communicating the first chamber (2 c), the second chamber (2 b) and the electromagnet installation cavity (2 a) are arranged in the handle (2), the control switch (24) is arranged in the first chamber (2 c), and the power supply (23) is arranged in the second chamber (2 b).

9. A urinary system stone extraction device according to claim 8, characterised in that the first chamber (2 c) is located close to one end of the casing (1) and the second chamber (2 b) is located remote from the end of the casing (1).