CN112568970B - Curettage and suction device for mammary gland department - Google Patents
Curettage and suction device for mammary gland department Download PDFInfo
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- CN112568970B CN112568970B CN202011278568.1A CN202011278568A CN112568970B CN 112568970 B CN112568970 B CN 112568970B CN 202011278568 A CN202011278568 A CN 202011278568A CN 112568970 B CN112568970 B CN 112568970B
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32053—Punch like cutting instruments, e.g. using a cylindrical or oval knife
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
Abstract
The invention provides a curettage and suction device for a mammary gland department. The handle is arranged along the axial direction in a hollow mode, the side wall of the handle is provided with a through hole extending along the axial direction, and the rear end of the handle is used for being connected with the negative pressure device. The scraper structure is slidably arranged in the through hole and comprises a scraping rod and a scraping spoon arranged at the front end of the scraping rod; the rear end of the scraping rod extends out of the through hole, the front part of the scraping rod is sleeved with a spring, and the front part of the spring is connected with the inner wall of the through hole; the rear part of the scraping rod is provided with a limiting mechanism. The invention integrates the resection function and the drainage function together, thereby facilitating a series of operation operations of scraping necrotic tissues and draining and leading out when mammary gland operation is performed; and the scraper structure of this application establishes and carries on spacing fixedly by stop gear to stretching out the spatula in perforation the place ahead, makes the spatula can strike off necrotic tissue more stably, behind unblock stop gear, scrapes the restoring force that the pole received the spring and in the indentation perforation, avoids scraping the pole and expose outside always.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a curettage and suction device for a mammary gland department.
Background
The mammary gland is located between the superficial and deep layers of the subcutaneous superficial fascia. The superficial fascia extends into the mammary tissue to form cord-like leaflet spaces, one end of which is attached to the pectoral fascia and the other end of which is attached to the skin, to anchor the mammary gland within the subcutaneous tissue of the breast, and the fibrous connective tissue that serves as a support and to anchor the position of the breast is known as the mammary suspensory ligament or Coopers ligament. The superficial fascia is located deep in the mammary gland and connected with the superficial fascia of the pectoralis major, which is called the gap behind the breast, by loose tissue. It can make the breast relatively fixed and have a certain mobility on the chest wall.
When each small tissue in the breast needs to be cut, an incision of about 30mm to 40mm is usually made, a scraper is used to scrape the necrotic tissue in the breast of the patient, and then other devices (such as a drainage device, a drainage tube and the like) are used to remove the necrotic tissue from the body. The disadvantages of this procedure are: the postoperative incision is large, so that the breast beauty of a patient is affected; the step-by-step operation is not beneficial to clear operation field and longer operation time, is not beneficial to recovery of patients, and the patients hope to consider beauty while treating diseases besides expecting the operation wound to be quickly recovered.
Therefore, it is a technical problem to be solved by those skilled in the art how to provide a curettage and suction device for mammary gland department, which has a simple structure, can conveniently adjust the injection angle and fix the injection needle.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a curettage and suction device for a mammary gland department, which comprises:
the handle is arranged along the axial direction in a hollow mode, a through hole extending along the axial direction is formed in the side wall of the handle, and the rear end of the handle is used for being connected with the negative pressure device;
the scraper structure is slidably arranged in the through hole and comprises a scraping rod and a scraping spoon arranged at the front end of the scraping rod; the rear end of the scraping rod extends out of the through hole, the front part of the scraping rod is sleeved with a spring, and the front part of the spring is connected with the inner wall of the through hole; the rear portion of scraping the pole is provided with stop gear, and this stop gear is used for carrying on spacing fixedly to stretching out the spatula in perforation the place ahead.
The curettage and suction device integrates the resection function and the drainage function, and facilitates a series of operation operations of curettage of necrotic tissues and drainage derivation during the mammary gland operation; just the scraper structure of this application has set up spring and stop gear, scrapes the pole and stretches out when perforating the place ahead, and the spring is compressed to carry on spacingly fixedly by stop gear to the spatula that stretches out perforation the place ahead, make the spatula can strike off the necrotic tissue more stably, after unblock stop gear, scrape the pole and receive the restoring force of spring and in the indentation perforation, avoid scraping the pole and expose outside always.
Furthermore, the limiting mechanism comprises a first sleeve, a second sleeve, a guide strip and a third sleeve; the guide strip is arranged on the inner wall of the handle along the axial direction; the first sleeve is of a cylindrical structure with an opening at the front end and is sleeved at the rear end of the scraping rod, the rear end of the first sleeve is exposed out of the rear part of the handle to form a pushing part, a first guide groove along the axial direction is formed in the side wall of the front part of the first sleeve, and the front end of the first guide groove penetrates through the first sleeve; the second sleeve is of a hollow cylindrical structure, a second guide groove along the axial direction is formed in the side wall of the second sleeve, and the rear end of the second guide groove penetrates through the second sleeve; the third sleeve is sleeved on the scraping rod, the rear end of the third sleeve is connected with the front end of the second sleeve, and the front end of the third sleeve is connected with the rear end of the spring.
In the present application, when the spatula does not extend out of the front of the through hole, the guide strip is positioned in the second guide groove, and the first guide groove is aligned with the second guide groove; when the medical staff presses the pushing part, the first sleeve pushes the second sleeve and the third sleeve to move forwards, the spring is compressed under the action of the third sleeve, the spring is pressed until the second guide groove leaves the guide strip, the first guide groove is sleeved on the guide strip, at the moment, the medical staff can rotate the handle, the first sleeve can rotate along with the handle as the guide strip is positioned in the first guide groove, and the first guide groove deviates from the second guide groove, so that the second sleeve and the third sleeve move backwards under the restoring action force of the spring without driving the first sleeve to move backwards, and the scraping rod cannot move even if the first sleeve does not move as the rear end of the scraping rod is connected with the first sleeve, namely the scraping spoon can be fixed after extending out of the through hole, and can more stably scrape the necrotic tissue; when the unblock, need the twist grip make first guide way align with the second guide way can, the outside that the guide bar can be overlapped to the backward displacement of second guide way like this realizes the unblock function.
The applicant has found in the design that the locking of the position of the spatula by turning the handle is not sufficiently unstable and it is not easy to determine whether the second guide groove has completely left the guide strip, for which purpose the following design is made:
the front end of the first sleeve is provided with a plurality of tooth grooves;
the distance from the rear end of the left side wall of the second guide groove to the bottom of the second guide groove is greater than the distance from the rear end of the right side wall of the second guide groove to the bottom of the second guide groove;
the rear end of the second sleeve positioned on the left side of the second guide groove is formed into a first inclined surface, the distance from the right side of the first inclined surface to the bottom of the second guide groove is greater than the distance from the left side of the first inclined surface to the bottom of the second guide groove, the rear end of the second sleeve positioned on the right side of the second guide groove is formed into a second inclined surface, and the distance from the left side of the second inclined surface to the bottom of the second guide groove is less than the distance from the right side of the second inclined surface to the bottom of the second guide groove; the front end of the guide strip is of an inclined surface structure, and the inclination angle of the front end of the guide strip, the inclination angle of the first inclined surface and the inclination angle of the second inclined surface are the same.
Furthermore, the guide strips are arranged in a plurality, and the number of the first guide grooves and the number of the second guide grooves correspond to the number of the guide strips; in two adjacent second guide grooves, the left side of the first inclined surface of one second guide groove is connected with the right side of the second inclined surface of the other second guide groove.
In the application, when the medical staff presses the pushing part, the first sleeve and the second sleeve continuously move along the axial direction because the second guide groove is sleeved on the outer side of the guide strip until the second guide groove leaves the guide strip; when the second guide groove is completely separated from the guide strip, and the first guide groove is sleeved on the outer side of the guide strip, because the side wall of the tooth socket of the first sleeve can touch the first inclined plane and the second inclined plane of the second sleeve, and because the front end of the guide strip is also in an inclined plane structure, the inclined planes of the guide strip, the first inclined plane and the second inclined plane have the same inclination angle, and the front end of the guide strip is matched with the first inclined plane, the second sleeve can rotate along with the forward displacement process, so that the second guide groove deviates from the first guide groove;
in the rotating process of the second sleeve, the side wall of the tooth socket can also displace on the first inclined plane and the second inclined plane, and because the tooth socket is triangular in cross section, the first sleeve can displace backwards for a certain distance under the action of the second sleeve until the right side of the second inclined plane is contacted with the front end of the guide strip and is clamped, and the rotation and the backward displacement of the second sleeve are both suspended, so that the position locking of the spatula is realized; when unlocking, the medical staff still only need to press the pushing part, because the first guide groove is sleeved outside the guide strip, the first sleeve and the second sleeve continuously move along the axial direction until the first guide groove leaves the guide strip; when the first guide groove is completely separated from the guide strip, the right side of the second inclined plane is also separated from the guide strip, at the moment, because the left side of the guide strip is not blocked by the second inclined plane, the second sleeve can simultaneously rotate in the axial displacement until the second guide groove is aligned with the first guide groove, the second sleeve jacks the first sleeve under the restoring acting force of the spring so that the second sleeve is sleeved outside the guide strip, and the scraper is also retracted into the through hole backwards along with the first sleeve.
Furthermore, a first guide cylinder is arranged on the inner side of the first sleeve, the outer wall of the first guide cylinder is connected with the inner wall of the first sleeve, and the inner cavity wall of the first guide cylinder is connected with the rear end of the scraping rod; the inner side of the second sleeve is also provided with a second guide cylinder, the outer wall of the second guide cylinder is connected with the inner wall of the second sleeve, and the inner cavity of the second guide cylinder is used for the scraping rod to pass through.
Thus, the scraping rod is prevented from shaking during operation.
Further, the perforation is provided in two, wherein the thickness of the outer edge of the spatula of the scraper structure in one perforation is thinner than that of the spatula of the scraper structure in the other perforation.
Thus, a thinner spatula can be used for scraping tissues which are not easy to scrape, such as a sac wall, and a thicker spatula can be used for scraping necrotic tissues, such as pus, and avoiding damaging thick blood vessels.
Further, the negative pressure device comprises an air pump and a first conduit, the first conduit is connected with the rear end of the handle and communicated with the inner cavity of the handle, one end of the first conduit, which is far away from the handle, is connected with an air outlet of the air pump, and an air inlet of the air pump is communicated with a waste liquid storage bottle.
Like this, medical personnel are when scraping the shovel through the spatula to the necrotic tissue in the patient's mammary gland, are taken out into the negative pressure in with the foul solution storage bottle by the air pump simultaneously, and the necrotic tissue in the patient's mammary gland enters into in the nature foul solution storage bottle via first pipe.
Furthermore, the side wall of the front part of the handle is connected with a second conduit which is communicated with the inner cavity of the handle, one end of the second conduit, which is far away from the handle, is communicated with the cleaning solution storage bottle, and a valve is arranged on the second conduit.
Like this, open the valve, liquid in the washing liquid storage bottle enters into the handle inner chamber through the second honeycomb duct and dilutes necrotic tissue pus, has effectively avoided the condition that necrotic tissue pus blockked up first pipe at the in-process of drainage.
Further, a plurality of supports are arranged at the front end of the inner cavity of the handle along the circumferential direction at equal intervals, wherein in two adjacent supports, one support is provided with a miniature camera, and the other support is provided with a lighting lamp.
Like this, throw light on through the light, be convenient for scrape the spoon and to the striking off of necrotic tissue, the miniature camera head of setting can shoot necrotic tissue to broadcasting image information through looking screen play device, can effectively be convenient for carry out necrotic tissue to the observation of inside necrotic tissue, be convenient for simultaneously scrape the spoon and strike off, the healthy tissue of mistake wound when avoiding scraping improves the safety in utilization.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic structural view of a curettage and suction device for mammary gland department provided by the invention;
FIG. 2 is a schematic structural view of a position-limiting mechanism of the present invention, when the guide strip is on the first inclined plane;
FIG. 3 is a schematic view of the connection between the first sleeve and the second sleeve when the first guide slot and the second guide slot are aligned according to the present invention;
fig. 4 is a schematic structural view of the front end of the handle provided by the present invention.
Reference numerals:
1-a handle;
2-scraper structure, 21-scraper bar, 22-scraper;
3-negative pressure device, 31-air pump, 32-first conduit, 33-second conduit;
4-a spring;
5-a limiting mechanism, 51-a first sleeve, 511-a first guide groove, 512-a tooth groove, 52-a second sleeve, 521-a second guide groove, 522-a first inclined plane, 523-a second inclined plane, 53-a third sleeve and 54-a guide strip;
6-dirty liquid storage bottle, 7-cleaning liquid storage bottle, 8-bracket, 81-miniature camera and 82-illuminating lamp.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Example (b): as shown in fig. 1 and fig. 2, a curettage and suction device for mammary gland department comprises a handle 1 and a scraper structure 2. The handle 1 is arranged along the axial direction in a hollow mode, a through hole extending along the axial direction is formed in the side wall of the handle 1, and the rear end of the handle 1 is used for being connected with the negative pressure device 3. The scraper structure 2 is slidably arranged in the through hole, and the scraper structure 2 comprises a scraper bar 21 and a scraper 22 arranged at the front end of the scraper bar 21; the rear end of the scraping rod 21 extends out of the through hole, the front part of the scraping rod 21 is sleeved with a spring 4, and the front part of the spring 4 is connected with the inner wall of the through hole; the rear part of the scraping rod 21 is provided with a limiting mechanism 5, and the limiting mechanism 5 is used for limiting and fixing a scraping spoon 22 extending out of the front of the through hole.
The curettage and suction device integrates the resection function and the drainage function, and facilitates a series of operation operations of curettage of necrotic tissues and drainage derivation during the mammary gland operation; just the scraper structure of this application has set up spring and stop gear, scrapes the pole and stretches out when perforating the place ahead, and the spring is compressed to carry on spacingly fixedly by stop gear to the spatula that stretches out perforation the place ahead, make the spatula can strike off the necrotic tissue more stably, after unblock stop gear, scrape the pole and receive the restoring force of spring and in the indentation perforation, avoid scraping the pole and expose outside always.
As shown in fig. 2 and 3, the limiting mechanism 5 includes a first sleeve 51, a second sleeve 52, a guide bar 54, and a third sleeve 53; the guide strip 54 is arranged on the inner wall of the handle 1 along the axial direction; the first sleeve 51 is of a cylindrical structure with an opening at the front end, the first sleeve is sleeved at the rear end of the scraping rod 21, the rear end of the first sleeve 51 is exposed behind the handle 1 to form a pushing part, a first guide groove 511 along the axial direction is formed in the side wall of the front part of the first sleeve 51, and the front end of the first guide groove 511 penetrates through the first sleeve 51; the second sleeve 52 is a hollow cylindrical structure, a second guide groove 521 along the axial direction is formed in the side wall of the second sleeve 52, and the rear end of the second guide groove 521 penetrates through the second sleeve 52; the third sleeve 53 is sleeved on the scraping rod 21, the rear end of the third sleeve 53 is connected with the front end of the second sleeve 52, and the front end of the third sleeve 53 is connected with the rear end of the spring 4.
In the present application, when the spatula does not extend out of the front of the through hole, the guide strip is positioned in the second guide groove, and the first guide groove is aligned with the second guide groove; when the medical staff presses the pushing part, the first sleeve pushes the second sleeve and the third sleeve to move forwards, the spring is compressed under the action of the third sleeve, the spring is pressed until the second guide groove leaves the guide strip, the first guide groove is sleeved on the guide strip, at the moment, the medical staff can rotate the handle, the first sleeve can rotate along with the handle as the guide strip is positioned in the first guide groove, and the first guide groove deviates from the second guide groove, so that the second sleeve and the third sleeve move backwards under the restoring action force of the spring without driving the first sleeve to move backwards, and the scraping rod cannot move even if the first sleeve does not move as the rear end of the scraping rod is connected with the first sleeve, namely the scraping spoon can be fixed after extending out of the through hole, and can more stably scrape the necrotic tissue; when the unblock, need the twist grip make first guide way align with the second guide way can, the outside that the guide bar can be overlapped to the backward displacement of second guide way like this realizes the unblock function.
In practice, the outer side walls of the first sleeve 51 and the second sleeve 52 have a certain clearance with the inner side wall of the handle 1.
The applicant has found that the locking of the position of the spatula 22 by turning the handle 1 is not sufficiently unstable and it is not easy to determine whether the second guide groove 521 has completely left the guide strip 54, for which purpose the following design is made:
as shown in fig. 3, a plurality of teeth grooves 512 are provided at the front end of the first sleeve 51. The distance from the rear end of the left side wall of the second guide groove 521 to the bottom of the second guide groove 521 is greater than the distance from the rear end of the right side wall of the second guide groove 521 to the bottom of the second guide groove 521. The rear end of the second sleeve 52 positioned at the left side of the second guide groove 521 is formed as a first inclined surface 522, the distance from the right side of the first inclined surface 522 to the bottom of the second guide groove 521 is greater than the distance from the left side of the first inclined surface 522 to the bottom of the second guide groove 521, the rear end of the second sleeve 52 positioned at the right side of the second guide groove 521 is formed as a second inclined surface 523, the distance from the left side of the second inclined surface 523 to the bottom of the second guide groove 521 is less than the distance from the right side of the second inclined surface 523 to the bottom of the second guide groove 521; the front end of the guide bar 54 is in a slope structure, and the inclination angle of the front end of the guide bar 54, the inclination angle of the first slope 522 and the inclination angle of the second slope 523 are the same. The guide bars 54 are provided in plurality, and the number of the first guide grooves 511 and the second guide grooves 521 corresponds to the number of the guide bars 54; in the adjacent two second guide grooves 521, the left side of the first inclined surface 522 of one second guide groove 521 is connected to the right side of the second inclined surface 523 of the other second guide groove 521.
In the application, when the medical staff presses the pushing part, the first sleeve and the second sleeve continuously move along the axial direction because the second guide groove is sleeved on the outer side of the guide strip until the second guide groove leaves the guide strip; when the second guide groove is completely separated from the guide strip, and the first guide groove is sleeved on the outer side of the guide strip, because the side wall of the tooth socket of the first sleeve can touch the first inclined plane and the second inclined plane of the second sleeve, and because the front end of the guide strip is also in an inclined plane structure, the inclined planes of the guide strip, the first inclined plane and the second inclined plane have the same inclination angle, and the front end of the guide strip is matched with the first inclined plane, the second sleeve can rotate along with the forward displacement process, so that the second guide groove deviates from the first guide groove;
in the rotating process of the second sleeve, the side wall of the tooth socket can also displace on the first inclined plane and the second inclined plane, and because the tooth socket is triangular in cross section, the first sleeve can displace backwards for a certain distance under the action of the second sleeve until the right side of the second inclined plane is contacted with the front end of the guide strip and is clamped, and the rotation and the backward displacement of the second sleeve are both suspended, so that the position locking of the spatula is realized; when unlocking, the medical staff still only need to press the pushing part, because the first guide groove is sleeved outside the guide strip, the first sleeve and the second sleeve continuously move along the axial direction until the first guide groove leaves the guide strip; when the first guide groove is completely separated from the guide strip, the right side of the second inclined plane is also separated from the guide strip, at the moment, because the left side of the guide strip is not blocked by the second inclined plane, the second sleeve can simultaneously rotate in the axial displacement until the second guide groove is aligned with the first guide groove, the second sleeve jacks the first sleeve under the restoring acting force of the spring so that the second sleeve is sleeved outside the guide strip, and the scraper is also retracted into the through hole backwards along with the first sleeve.
In implementation, the depth of the first inclined plane 522 and the second inclined plane 523 is greater than that of the tooth socket 512, so that the movement stroke is increased, and the scraper can be conveniently recovered into the through hole.
As shown in fig. 1 and 2, a first guide cylinder (not shown) is further disposed inside the first sleeve 51, an outer wall of the first guide cylinder is connected to an inner wall of the first sleeve 51, and an inner cavity wall of the first guide cylinder is connected to a rear end of the scraping bar 21; a second guide cylinder (not shown) is further disposed inside the second sleeve 52, an outer wall of the second guide cylinder is connected to an inner wall of the second sleeve 52, and an inner cavity of the second guide cylinder is penetrated by the scraper bar 21.
Thus, the scraping rod is prevented from shaking during operation.
Wherein, as shown in fig. 1 and 2, the perforations are provided in two, wherein the thickness of the outer edge of the spatula 22 of the scraper structure 2 in one perforation is thinner than the thickness of the outer edge of the spatula 22 of the scraper structure 2 in the other perforation.
Thus, a thinner spatula can be used for scraping tissues which are not easy to scrape, such as a sac wall, and a thicker spatula can be used for scraping necrotic tissues, such as pus, and avoiding damaging thick blood vessels.
As shown in fig. 1, the negative pressure device 3 includes an air pump 31 and a first conduit 32, the first conduit 32 is connected to the rear end of the handle 1 and is communicated with the inner cavity of the handle 1, one end of the first conduit 32, which is away from the handle 1, is connected to an air outlet of the air pump 31, and an air inlet of the air pump 31 is communicated with a dirty liquid storage bottle 6.
Like this, medical personnel are when scraping the shovel through the spatula to the necrotic tissue in the patient's mammary gland, are taken out into the negative pressure in with the foul solution storage bottle by the air pump simultaneously, and the necrotic tissue in the patient's mammary gland enters into in the nature foul solution storage bottle via first pipe.
As shown in fig. 1, a second conduit 33 is connected to a front side wall of the handle 1, the second conduit 33 is communicated with an inner cavity of the handle 1, one end of the second conduit 33, which is away from the handle 1, is communicated with the cleaning solution storage bottle 7, and a valve is arranged on the second conduit 33.
Like this, open the valve, liquid in the washing liquid storage bottle enters into the handle inner chamber through the second honeycomb duct and dilutes necrotic tissue pus, has effectively avoided the condition that necrotic tissue pus blockked up first pipe at the in-process of drainage.
As shown in fig. 1 and 4, a plurality of brackets 8 are equidistantly arranged along the circumferential direction at the front end of the inner cavity of the handle 1, wherein, in two adjacent brackets 8, one bracket 8 is provided with a miniature camera 81, and the other bracket 8 is provided with a lighting lamp 82.
Like this, throw light on through the light, be convenient for scrape the spoon and to the striking off of necrotic tissue, the miniature camera head of setting can shoot necrotic tissue to broadcasting image information through looking screen play device, can effectively be convenient for carry out necrotic tissue to the observation of inside necrotic tissue, be convenient for simultaneously scrape the spoon and strike off, the healthy tissue of mistake wound when avoiding scraping improves the safety in utilization.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. A curettage and suction device for mammary gland department is characterized by comprising:
the handle is arranged along the axial direction in a hollow mode, a through hole extending along the axial direction is formed in the side wall of the handle, and the rear end of the handle is used for being connected with the negative pressure device;
the scraper structure is slidably arranged in the through hole and comprises a scraping rod and a scraping spoon arranged at the front end of the scraping rod; the rear end of the scraping rod extends out of the through hole, the front part of the scraping rod is sleeved with a spring, and the front part of the spring is connected with the inner wall of the through hole; the rear part of the scraping rod is provided with a limiting mechanism which is used for limiting and fixing the scraping spoon extending out of the front of the through hole;
the limiting mechanism comprises a first sleeve, a second sleeve, a guide strip and a third sleeve; the guide strip is arranged on the inner wall of the handle along the axial direction; the first sleeve is of a cylindrical structure with an opening at the front end and is sleeved at the rear end of the scraping rod, the rear end of the first sleeve is exposed out of the rear part of the handle to form a pushing part, a first guide groove along the axial direction is formed in the side wall of the front part of the first sleeve, and the front end of the first guide groove penetrates through the first sleeve; the second sleeve is of a hollow cylindrical structure, a second guide groove along the axial direction is formed in the side wall of the second sleeve, and the rear end of the second guide groove penetrates through the second sleeve; the third sleeve is sleeved on the scraping rod, the rear end of the third sleeve is connected with the front end of the second sleeve, and the front end of the third sleeve is connected with the rear end of the spring;
the front end of the first sleeve is provided with a plurality of tooth grooves; the distance from the rear end of the left side wall of the second guide groove to the bottom of the second guide groove is greater than the distance from the rear end of the right side wall of the second guide groove to the bottom of the second guide groove; the rear end of the second sleeve positioned on the left side of the second guide groove is formed into a first inclined surface, the distance from the right side of the first inclined surface to the bottom of the second guide groove is greater than the distance from the left side of the first inclined surface to the bottom of the second guide groove, the rear end of the second sleeve positioned on the right side of the second guide groove is formed into a second inclined surface, and the distance from the left side of the second inclined surface to the bottom of the second guide groove is less than the distance from the right side of the second inclined surface to the bottom of the second guide groove; the front end of the guide strip is of an inclined surface structure, and the inclination angle of the front end of the guide strip, the inclination angle of the first inclined surface and the inclination angle of the second inclined surface are the same.
2. The curettage and suction device for mammary gland department according to claim 1, characterized in that the guide bars are provided in plurality, and the number of the first guide grooves and the second guide grooves corresponds to the number of the guide bars; in two adjacent second guide grooves, the left side of the first inclined surface of one second guide groove is connected with the right side of the second inclined surface of the other second guide groove.
3. The curettage and suction device for the mammary gland department as claimed in claim 1, wherein a first guide cylinder is further arranged at the inner side of the first sleeve, the outer wall of the first guide cylinder is connected with the inner wall of the first sleeve, and the inner cavity wall of the first guide cylinder is connected with the rear end of the curette rod; the inner side of the second sleeve is also provided with a second guide cylinder, the outer wall of the second guide cylinder is connected with the inner wall of the second sleeve, and the inner cavity of the second guide cylinder is used for the scraping rod to pass through.
4. The curettage and suction device for mammary surgery according to any one of claims 1 to 3, characterized in that the perforations are provided in two, wherein the outer edge thickness of the spatula structure in one perforation is thinner than the outer edge thickness of the spatula structure in the other perforation.
5. The curettage and suction device for the mammary gland department according to claim 1, wherein the negative pressure device comprises an air pump and a first conduit, the first conduit is connected with the rear end of the handle and communicated with the inner cavity of the handle, one end of the first conduit, which is far away from the handle, is connected with an air outlet of the air pump, and an air inlet of the air pump is communicated with a dirty liquid storage bottle.
6. The curettage and suction device for the mammary gland department according to claim 5, wherein a second conduit is connected with the side wall of the front part of the handle, the second conduit is communicated with the inner cavity of the handle, one end of the second conduit, which is far away from the handle, is communicated with the cleaning solution storage bottle, and a valve is arranged on the second conduit.
7. The curettage and suction device for the mammary gland department according to claim 1, wherein a plurality of brackets are arranged at the front end of the inner cavity of the handle at equal intervals along the circumferential direction, wherein one bracket is provided with a miniature camera and the other bracket is provided with a lighting lamp in two adjacent brackets.
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| CN202011278568.1A CN112568970B (en) | 2020-11-16 | 2020-11-16 | Curettage and suction device for mammary gland department |
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| CN202011278568.1A CN112568970B (en) | 2020-11-16 | 2020-11-16 | Curettage and suction device for mammary gland department |
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| CN112568970B true CN112568970B (en) | 2021-10-22 |
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| CN112568970B (en) * | 2020-11-16 | 2021-10-22 | 中国人民解放军陆军军医大学第一附属医院 | Curettage and suction device for mammary gland department |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205924108U (en) * | 2016-05-27 | 2017-02-08 | 上海中医药大学附属岳阳中西医结合医院 | Mammary gland branch of academic or vocational study is with scraping haustorium |
| CN112568970A (en) * | 2020-11-16 | 2021-03-30 | 中国人民解放军陆军军医大学第一附属医院 | Curettage and suction device for mammary gland department |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7670299B2 (en) * | 2006-03-07 | 2010-03-02 | Ethincon Endo-Surgery, Inc. | Device for minimally invasive internal tissue removal |
| US8105243B2 (en) * | 2006-11-16 | 2012-01-31 | Rubicor Medical, Llc | Methods and devices for removing tissue from a patient and placing a marker in the patient |
| JP6632616B2 (en) * | 2014-10-09 | 2020-01-22 | サノフイＳａｎｏｆｉ | Drive mechanism for injection device |
| CN209153869U (en) * | 2018-08-16 | 2019-07-26 | 郑州大学第二附属医院 | A kind of Galactophore Dept. is with scraping haustorium |
| CN210020644U (en) * | 2018-09-28 | 2020-02-07 | 江苏治宇医疗器材有限公司 | Intravenous infusion needle protective sheath |
| CN111374728B (en) * | 2018-12-29 | 2021-12-07 | 江苏风和医疗器材股份有限公司 | Control method of transmission mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205924108U (en) * | 2016-05-27 | 2017-02-08 | 上海中医药大学附属岳阳中西医结合医院 | Mammary gland branch of academic or vocational study is with scraping haustorium |
| CN112568970A (en) * | 2020-11-16 | 2021-03-30 | 中国人民解放军陆军军医大学第一附属医院 | Curettage and suction device for mammary gland department |
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