CN210204859U - Scraping knife - Google Patents

Abstract

A scraping knife, which relates to the field of medical instruments. The scraping knife comprises: the probe comprises a body, a probe and a driving mechanism, wherein the body is provided with an installation cavity, and the installation cavity is provided with an opening; the probe can be slidably arranged in the opening in a penetrating way, and one end of the probe, which is far away from the body, is provided with a scraping knife; the driving mechanism is fixedly arranged in the mounting cavity and is in transmission connection with one end, far away from the scraping blade, of the probe and used for driving the probe to reciprocate along the opening. The application provides a scrape off sword can improve or alleviate current inconvenient operation to can be automatic strike off fistula pipe wall and internal orifice hyperplasia tissue, it is more convenient to use.

Description

Scraping knife

Technical Field

The application relates to the field of medical equipment, in particular to a scraping knife.

Background

The primary reason for the inability of anal fistulas to heal is due to the presence of fistula walls, and internal orifices. Anal fistula can only be cured by removing the fistula wall and the internal orifice. The current anal fistula drug treatment can not remove the fistula and the internal orifice, but only improve symptoms; the operation treatment can completely cut off the fistula and the internal orifice, but the wound is large, and the anal sphincter is partially damaged; clinical application of biological agents and the like for treating anal fistula such as anal fistula suppository protects the anal function, but the fistula cannot be completely removed, and the cure rate is still not ideal.

Therefore, the scraper knife is designed to scrape fistula wall and inner opening hyperplastic tissue, but the existing scraper knife is inconvenient to use and cannot automatically scrape the fistula wall and the inner opening hyperplastic tissue.

SUMMERY OF THE UTILITY MODEL

The application provides a strike off sword can improve or alleviate current inconvenient operation, realizes automatic strike off fistula pipe wall and internal orifice hyperplasia tissue, and it is more convenient to use, and it is wicresoft simultaneously, nearly atraumatic.

According to the scraping knife of this application embodiment, it includes:

the body is provided with a mounting cavity, and the mounting cavity is provided with an opening;

the probe is slidably arranged in the opening in a penetrating manner, and one end of the probe, which is far away from the body, is provided with a scraping knife;

and the driving mechanism is fixedly arranged in the mounting cavity, is in transmission connection with one end of the probe, which is far away from the scraping blade, and is used for driving the probe to reciprocate along the opening.

According to scraping off sword of this application embodiment, through drive arrangement drive probe along opening reciprocating motion, thereby effectively strike off fistula pipe wall and internal orifice hyperplasia tissue from crissum fistula pathological change outer mouthful entering, compare in present needs continuous exerting thrust and pulling force of manpower, make the mode that the reciprocating scraping off of razor edge fistula intracavity, high durability and convenient use, and easy operation realizes scraping off fistula pipe wall and internal orifice hyperplasia tissue automatically, and is single to operate, effectively uses manpower sparingly and effectively alleviates user's burden.

In addition, the scraping knife according to the embodiment of the present application has the following additional technical features:

in some embodiments illustrated herein, the body is provided with a power source electrically connected to the drive mechanism.

The power supply is arranged on the body, so that the whole structure is simpler and the use is convenient. Wherein, the power includes lithium cell, storage battery etc. and when it is the battery, it has the charging wire that is used for charging, can keep recycling for a long time.

When it includes the battery, in order to be convenient for change the battery, simultaneously, for dustproof, the body should be equipped with the holding tank, and the opening part of holding tank should detachably be equipped with the dust cover.

Optionally, in order to further control the movement of the motor, the electric vehicle further includes a motor switch, wherein the motor is selectively connected to the power supply through the motor switch, the motor switch may be disposed on the surface of the body for facilitating the operation, and the motor switch is, for example, a button-type or a knob-type switch, which is not described herein again.

Optionally, the body is equipped with spy lamp, spy lamp and power electricity are connected, and the probe is the leaded light probe that leaded light material system formed, and the probe cooperates in order to be used for the illumination with spy lamp.

The setting of leaded light material can effectively save and visit the lamp and set up in the complexity of probe, and the processing preparation of being convenient for because the whole leaded light that all leads of probe simultaneously can effectively improve the utilization degree of visiting the lamp.

In order to facilitate the illumination or the closing of control spy lamp, strike off the sword and still include lighting switch, spy lamp and power are connected through lighting switch electricity, and wherein, lighting switch locates the surface of body, the operation of being convenient for. The illumination switch may be a knob type or a button type, which will not be described in detail herein.

Optionally, the probe portion is hollow to form a receiving slot for receiving the probe light.

Optionally, the searchlight is fixedly arranged at the opening. At this point, it is noted that there is a gap between the probe lamp and the surface of the probe, which work independently. At this time, optionally, the number of the probe lamps is one or more, and when the number of the probe lamps is multiple, the plurality of probe lamps surround the circumference of the opening, so that the better illumination can be performed. Here, the number of the units is at least two, for example, two, three, four, etc.

Above-mentioned two kinds of setting modes of visiting the lamp all can make probe and visit the lamp cooperation effect good, and then the illuminating effect is good. Of course, in addition to this, a probe lamp may also be provided in the installation chamber, for example, as long as the probe lamp can conduct light to the probe.

In some embodiments shown in the application, the probe is provided with a liquid channel along the axial direction of the probe, one side of the probe, which is close to the scraping blade, is provided with a liquid hole communicated with the outside, and the liquid channel is communicated with a liquid storage cavity.

The liquid storage cavity can be filled with sterile normal saline, or disinfectant, hemostatic liquid medicine and the like in advance or temporarily, on one hand, the tissue scraped by the fistula can be effectively washed, the wound can be disinfected, hemostatic and the like, cross infection is effectively avoided, and on the other hand, the cut tissue can be conveniently and timely flushed or sucked out by the normal saline.

Optionally, in order to further improve the convenience that the scraping knife used, and the life-span of using is longer, the body is seted up in the stock solution chamber, and the stock solution chamber has the inlet.

Optionally, a micro water pump is arranged in the liquid storage cavity and communicated with the liquid channel through a pipe.

It should be noted that, in order to facilitate the control of the motion state of the micro water pump, the scraping knife further comprises a water pump switch, the micro water pump is electrically connected with the power supply through the water pump switch, wherein the water pump switch is arranged on the outer surface of the body, and the operation is facilitated. The water pump switch can be a knob type or a button type.

Optionally, the part of the body corresponding to the liquid storage cavity is a liquid storage part, and the liquid storage part is arranged in a transparent manner and is used for observing the liquid level and the brightness in the liquid storage part.

Optionally, the reservoir is provided with a scale.

For use in a quantitative flush.

It should be noted that the scraping knife can only be a disposable article, and the repeated use is forbidden, so that the cross infection can be effectively avoided.

Wherein, the scraping knife can be provided with a protective cover which covers the probe and is used for preventing the probe from being polluted before use.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a scraping blade according to an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a scraping blade according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the probe and probe lamp of another non-limiting example of the present application;

FIG. 4 is a schematic view of a reservoir arrangement according to other embodiments provided herein;

FIG. 5 is a schematic view of the arrangement of a reservoir in some other embodiments provided herein.

Icon: 10-a scraping knife; 100-body; 110-a mounting cavity; 111-opening; 120-a probe; 121-a doctor blade; 130-a drive mechanism; 131-a motor switch; 140-a power supply; 141-dustproof sealing cover; 150-searchlight; 153-light switch; 123-a liquid channel; 160-a reservoir chamber; 161-liquid inlet; 163-tube; 165-micro water pump; 167-water pump switch; 168-scale table; 170-a grip portion; 180-protective cover.

Detailed Description

Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the present application, all the embodiments, implementations, and features of the present application may be combined with each other without contradiction or conflict. In the present application, conventional equipment, devices, components, etc. are either commercially available or self-made in accordance with the present disclosure. In this application, some conventional operations and devices, apparatuses, components are omitted or only briefly described in order to highlight the importance of the present application.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

Referring to fig. 1 and 2, the present application provides a scraping knife 10, which includes: a body 100, a probe 120, and a drive mechanism 130.

The body 100 is provided with a mounting cavity 110, and the mounting cavity 110 has an opening 111.

The probe 120 is slidably disposed through the opening 111, and a scraper 121 is disposed at an end of the probe 120 away from the body 100.

The driving mechanism 130 is fixedly arranged in the mounting cavity 110, and the driving mechanism 130 is in transmission connection with one end of the probe 120 far away from the scraper 121 and is used for driving the probe 120 to reciprocate along the axial direction of the opening 111.

According to scraping knife 10 of this application embodiment, through drive arrangement drive probe 120 along opening 111's axial reciprocating motion, and then effectively strike off fistula pipe wall and internal orifice hyperplasia tissue, compare in current needs the continuous thrust and the pulling force of exerting of manpower, make the mode of scraping the blade sword 121 along the fistula intracavity is reciprocal, high durability and convenient use, moreover, the operation is simple, thereby realize getting into from perianal fistula pathological change outer orifice and scraping fistula pipe wall and internal orifice hyperplasia tissue automatically, it can operate by one, effectively save the human cost, and effectively alleviate user's burden, compare the effect in current anal fistula operation realization minimal access therapy simultaneously.

Wherein, the mounting cavity 110 has an opening 111; the probe 120 is slidably disposed through the opening 111, that is, the opening 111 faces to one end of the anal fistula, wherein the end of the body 100 close to one end of the anal fistula is gradually reduced from one side far away from the opening 111 to the cross-sectional area close to one side of the opening 111, so that the probe can better abut against the human body when being used, and meanwhile, the visual field is wide, the operation is convenient, and the scraping is performed.

Optionally, the end of the body 100 close to the anal fistula is in a truncated cone shape, and the surface is smooth, so that discomfort of a human body is prevented.

The driving mechanism 130 may include a common motor (not shown), a reversing component (not shown), and a coupling (not shown), an output shaft of the common motor is connected to the coupling via the reversing component, wherein the common motor, the reversing component, and the coupling may be assembled commercially without specific limitation, for example, the reversing component is a gear and a rack that are engaged with each other, the output shaft of the common motor is connected to the gear to drive the gear to rotate synchronously, one end of the rack is connected to the probe 120 via the reversing component, and the rack is driven to reciprocate by the forward rotation and the reverse rotation of the gear. The driving mechanism 130 may also be a motor (not shown) with a reversing function, which converts the circular motion of the motor into a reciprocating telescopic motion, and the motor with the reversing function can be directly purchased from the market. The output shaft or coupling of the motor with commutation is connected to the probe 120, for example by a screw connection, snap connection or keyed connection.

The motor is fixed to the body 100 in a manner such as bolt fixing, which is not described herein.

The scraping blade 121 and the probe 120 may be integrally formed, or may be clamped, interference-fitted, or screwed, and the like, and the present disclosure is not limited thereto, and meanwhile, the scraping blade 121 may be a micro-toothed cutting blade having micro-teeth, or a cutting blade having an arc-shaped edge, as long as the cutting blade can scrape the fistula wall and the inner opening hyperplastic tissue, where the overall structure of the micro-toothed cutting blade having micro-teeth may be semicircular or circular. The scraping blade 121 may be made of metal such as ceramic and stainless steel, or rigid plastic, and those skilled in the art can limit the material according to actual requirements.

Alternatively, the doctor blade 121 is, for example, a half-round micro-toothed cutter having micro-teeth, the diameter of which is 2mm to 4 mm.

In addition, the scraping blade 10 according to the embodiment of the present application has the following additional technical features:

in some embodiments shown in the present application, the body 100 is provided with a power source 140, and the power source 140 is electrically connected to the driving mechanism 130, i.e. the motor, wherein the power source 140 and the motor are electrically connected through a wire. The power supply 140 is disposed on the body 100, so that the overall structure is simpler and the use is convenient. Among them, the power supply 140 includes a lithium battery, a storage battery, etc., and when it is a storage battery, it has a charging wire for charging, and can be kept for a long time for recycling.

When it includes a battery, in order to facilitate the replacement of the battery, and at the same time, in order to prevent dust, the body 100 should be provided with a receiving groove, and an opening of the receiving groove should be detachably provided with a dust sealing cover 141.

Optionally, in order to further control the movement of the motor, the device further includes a motor switch 131, wherein the motor is selectively connected to the power source 140 through the motor switch 131, the motor switch 131 may be disposed on the surface of the body 100 for operation, and meanwhile, the motor switch 131 is, for example, a button-type or a knob-type switch, which is not described herein again.

In some embodiments shown in the present application, the body 100 is provided with a probe lamp 150, the probe lamp 150 is electrically connected to the power supply 140, the probe 120 is a light guide probe 120 made of a light guide material, and the probe 120 is matched with the probe lamp 150 for illumination.

The setting of leaded light material can effectively save the complexity that spy lamp 150 set up in probe 120, and the preparation of being convenient for is processed because the whole all leaded light of probe 120 simultaneously, can effectively improve the utilization degree of spy lamp 150.

The light guide material is mainly optical acrylic (PMMA), the chemical name of the light guide material is methyl methacrylate, and the specific gravity of the light guide material is 1190kg per cubic meter. The transparent acrylic sheet has high light transmittance, strong impact expansion capability and wide application. As long as the light emitting body is arranged on the side, the whole light guide probe 120 made of the light guide material can emit bright, uniform and soft light after being electrified, so that the observation of a user is facilitated.

There are various arrangements in which the probe 120 cooperates with the searchlight 150 for illumination, and optionally, referring to fig. 3, in one non-limiting example, the probe 120 is partially hollow to form a receiving slot for receiving the searchlight 150.

Specifically, the accommodating groove is disposed on one side of the probe 120 close to the body 100, so as to facilitate the subsequent telescopic movement of the probe 120, and improve the service life of the probe lamp 150.

Alternatively, the receiving groove is disposed on an end surface of the probe 120 near one end of the body 100 and moves telescopically with the probe 120.

Referring to FIG. 2, in another non-limiting example provided herein, the searchlight 150 is fixedly disposed at the opening 111, such as by bonding or screwing.

At this time, it is noted that there is a gap between the probe lamp 150 and the surface of the probe head 120, and the two operate independently. At this time, optionally, the number of the probe lamps 150 is one or more, and when the number of the probe lamps 150 is plural, the plural probe lamps 150 are arranged around the circumference of the opening 111, so that the illumination can be better performed. Here, the number of the units is at least two, for example, two, three, four, etc.

The shape of the searchlight 150 may be a column, a sphere, a ring or an arc, which is not limited herein.

In both non-limiting examples, the probe 150 can be installed in such a way that the probe 120 and the probe 150 can be well matched, and thus the illumination effect is good. Of course, in addition to this, the searchlight 150 may be disposed in the installation cavity 110, for example, as long as the searchlight 150 can conduct light to the probe 120.

In order to control the illumination or the turning-off of the light detecting lamp 150, the scraping knife 10 further includes an illumination switch 153, the light detecting lamp 150 is electrically connected to the power source 140 through the illumination switch 153, and the illumination switch 153 is disposed on the outer surface of the body 100 for operation. The illumination switch 153 may be a knob type or a button type, which will not be described in detail.

In some embodiments shown in the present application, the probe 120 is provided with a liquid passage 123 along an axial direction thereof, a side of the probe 120 close to the doctor blade 121 is provided with a liquid hole (not shown) communicating with the outside, and the liquid passage 123 communicates with the liquid storage chamber 160. The liquid storage cavity 160 can be filled with sterile physiological saline in advance or temporarily, or disinfectant, hemostatic liquid medicine and the like, so that on one hand, the tissue scraped by the fistula can be effectively washed, the wound can be disinfected, hemostatic and the like, cross infection is effectively avoided, and on the other hand, the cut tissue can be conveniently and timely flushed out or sucked out by the physiological saline.

In one non-limiting example, reservoir 160 may be provided separately, i.e., reservoir 160 may be provided outside body 100 to facilitate filling.

Optionally, in order to further improve the convenience of using the scraper 10 and prolong the service life of the scraper, the liquid storage cavity 160 is provided in the body 100, the liquid storage cavity 160 has a liquid inlet 161 (not shown), and in order to prevent liquid leakage from the liquid inlet 161, the scraper further includes a cover body detachably covering the liquid inlet 161 for sealing the liquid inlet 161 and preventing liquid leakage, and the cover body is detachably connected to the liquid inlet 161 by, for example, a clamping connection or a threaded connection.

Wherein, in order to improve the utilization degree of the containing cavity, the liquid filling opening is arranged at one side of the liquid storage cavity 160 far away from the bottom wall.

Optionally, a micro-water pump 165 is arranged in the liquid storage cavity 160, and the micro-water pump 165 is communicated with the liquid channel 123 through a pipe 163, so that the use is more convenient. The tube 163 may be a flexible tube or a rigid tube with a certain hardness, and those skilled in the art can set the tube according to actual requirements.

It should be noted that, in order to control the movement state of the micro water pump 165, the scraping knife 10 further includes a water pump switch 167, the micro water pump 165 is electrically connected to the power source 140 through the water pump switch 167, wherein the water pump switch 167 is disposed on the outer surface of the main body 100, so as to facilitate the operation. The water pump switch 167 may be a knob type or a button type, which will not be described herein.

It should be noted that in some embodiments provided herein, reservoir 160 is used to store fluid with which the excised tissue is flushed. At this time, the outlet of the micro-pump 165 is communicated with the liquid channel 123 through the pipe 163. It should be noted that the micro-pump 165 is disposed on the bottom wall of the liquid storage chamber 160 during use, so as to fully utilize the liquid.

In other embodiments provided herein, reservoir chamber 160 is used to aspirate excised tissue and to flush excised tissue fluid. At this time, the inlet of the micro water pump 165 is communicated with the liquid channel 123 through the pipe 163, and the outlet of the micro water pump 165 is located in the liquid storage chamber 160.

Referring to fig. 4, in other embodiments provided herein, two micro-pumps 165 may be disposed in the liquid storage chamber 160, the two micro-pumps 165 are connected in parallel to the pipe 163 through pipes, and the pipe 163 is communicated with the liquid channel 123. Wherein, the outlet of one micro-water pump 165 is communicated with the pipeline, the inlet of the other micro-water pump 165 is communicated with the pipeline, thereby realizing the function of absorbing after washing, and simultaneously, each micro-water pump 165 is electrically connected with the power supply 140 through the corresponding water pump switch 167.

Referring to fig. 5, in other embodiments provided in the present application, the number of the liquid storage cavities 160 is two, the two liquid storage cavities 160 are respectively provided with the micro water pumps 165, the two micro water pumps 165 are connected in parallel to the pipe 163 through a pipeline, and the pipe 163 is communicated with the liquid channel 123. Wherein, the export of a micro-water pump 165 and pipeline intercommunication, the import and the pipeline intercommunication of another micro-water pump 165, and then realize washing and the function of gettering, each micro-water pump 165 all is connected with power 140 through the water pump switch 167 that corresponds separately simultaneously, avoids polluting.

In other embodiments provided in the present application, in order to facilitate the holding, the main body 100 is provided with a holding portion 170, wherein the liquid storage cavity 160 is disposed on the holding portion 170, so as to improve the compactness of the structure.

Optionally, the portion of the body 100 corresponding to the liquid storage cavity 160 is a liquid storage portion, and the liquid storage portion is disposed transparently for observing the liquid level and the brightness in the liquid storage portion, that is, the portion of the holding portion 170 corresponding to the liquid storage cavity 160 is transparent.

Optionally, the liquid storage part is provided with a scale 168, and the scale 168 becomes larger from the side close to the ground to the side far away from the ground, so that quantitative washing can be further performed.

It should be noted that the scraping knife 10 can be a disposable product only, and the reuse is prohibited, so that the cross infection can be effectively avoided.

Wherein, the scraping knife 10 may be provided with a protective cover 180, and the protective cover 180 covers the probe 120 for preventing contamination before use.

Referring to fig. 2, the scraping knife 10 provided in some embodiments of the present application has functions of assisting diagnosis and treating anal fistula, and meanwhile, the scraping knife 10 provided in some embodiments integrates exploration, illumination, flushing and scraping, so as to accurately show the shape of the fistula, scrape the fistula wall and the hyperplastic tissues at the inner and outer openings, flush the wound surface in the scraped fistula cavity, and have no sphincter injury, and at the same time, the operation is simple, and the disposable use has no possibility of cross infection.

It should be noted that, the electrical connection in this application is through the wire connection, and in order to prevent the electric leakage, the outer wall of the wire is provided with a waterproof sealing material, or the body 100 is provided with a wire hole for accommodating the wire, which may be of two forms, and is not described herein.

To sum up, the application provides a scrape off sword, easy operation, degree of automation is high, can scrape off the function of fistula wall and internal orifice hyperplasia tissue automatically, and the later stage healing of being convenient for is minimal.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A scraping knife, comprising:

the body is provided with a mounting cavity, and the mounting cavity is provided with an opening;

the probe is slidably arranged in the opening in a penetrating manner, and one end, far away from the body, of the probe is provided with a scraper blade;

the driving mechanism is fixedly arranged in the mounting cavity and is in transmission connection with one end, far away from the scraping blade, of the probe, and is used for driving the probe to reciprocate along the opening.

2. The doctoring blade as claimed in claim 1, wherein said body is provided with a power source, said power source being electrically connected to said drive mechanism.

3. The doctoring knife as claimed in claim 2, wherein said body is provided with a searchlight electrically connected to said power source, said probe being a light conducting probe made of a light conducting material, said probe cooperating with said searchlight for illumination.

4. The scraping blade as defined in claim 3, wherein the probe defines a receiving slot for receiving the probe light.

5. The doctoring blade as claimed in claim 3, wherein said probe light is fixedly positioned at said opening.

6. The scraping knife as claimed in claim 1, wherein the probe is provided with a liquid passage along an axial direction thereof, a side of the probe near the scraping blade is provided with a liquid hole communicated with the outside, and the liquid passage is communicated with a liquid storage cavity.

7. The scraping knife as claimed in claim 6, wherein the reservoir is open to the body and has a liquid inlet.

8. The scraping knife as claimed in claim 6, wherein a micro water pump is provided in the liquid storage chamber, and the micro water pump is communicated with the liquid channel through a pipe.

9. The scraping knife as claimed in claim 6, wherein the portion of the body corresponding to the liquid storage cavity is a liquid storage portion, and the liquid storage portion is transparent and is used for observing the liquid level in the liquid storage portion.

10. The scraping knife as claimed in claim 9, wherein the reservoir is provided with a scale.

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