CN115737004B - Clinical skin biopsy ring cutter - Google Patents
Clinical skin biopsy ring cutter Download PDFInfo
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- CN115737004B CN115737004B CN202211132896.XA CN202211132896A CN115737004B CN 115737004 B CN115737004 B CN 115737004B CN 202211132896 A CN202211132896 A CN 202211132896A CN 115737004 B CN115737004 B CN 115737004B
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Abstract
The invention provides a clinical skin biopsy circular cutting tool, belonging to the field of medical appliances; including pressing at the fixed section of thick bamboo of human skin surface to and be used for cutting the ring of human skin and cut sample blade holder and ring cutter sword, still including being used for control ring cuts sample blade holder rotation and lift's traction element, and be used for ring to cut the sample blade holder and disinfect ring cutter sword's disinfection subassembly after to skin sample, traction element includes the smooth section of thick bamboo with fixed section of thick bamboo looks adaptation, still including being used for driving the ring and cut sample blade holder synchronous rotation and the sample seat that goes up and down, ring cuts sample blade holder screw thread and cup joints on the sample seat, disinfection subassembly is including being located ring and cuts the disinfection cotton of sample blade holder top, still including being used for the sample seat to rotate the interlock subassembly that goes up and down synchronous control disinfection cotton when going up and down, interlock subassembly includes the stay cord of hoist and mount disinfection cotton, and the horizontal axis that is used for winding the stay cord. The invention solves the series of problems that the skin sampling depth is difficult to control during the existing skin sampling by arranging the sampling seat and the like.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a clinical skin biopsy circular cutting tool.
Background
Biopsy is a technique for taking out pathological tissues from a patient body, such as incision, forceps or puncture, according to the requirements of diagnosis and treatment, and is the most important part in diagnosis pathology, and can make clear histopathological diagnosis on most of the examination cases, and is used as the final diagnosis in clinic.
In the prior art, chinese patent document with publication number of CN114557732A proposes a clinical skin surface biopsy sample sampling device of oncology, and medical alcohol is smeared on the skin surface of a patient through a sterilizing rod, so that bacteria on the skin surface are killed, and the effect of sterilizing the bacteria by the medical alcohol is realized; after the cavity moves downwards to be in contact with the skin surface of a patient, a user controls the cavity to stay, so that the anti-slip ring is used for positioning the skin surface of the patient, a cell tissue sample is extracted by the user, the anti-slip ring is used for positioning the skin surface of the patient, the device cannot meet the sampling requirement of local skin in the practical application process, an effective skin sampling device does not exist in the current medical field, medical staff still needs to be relied on completely, a cutter is used for matching with a surgical forceps to manually cut the skin of the patient and take down the skin sample with the corresponding thickness, the operation is time-consuming and labor-consuming, more importantly, the sampling depth of the skin is difficult to control, in addition, medical instruments such as the surgical forceps need to be disinfected after the sampling is finished, the whole sampling operation is more complicated, and the sampling efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a clinical skin biopsy circular cutting tool so as to solve the series of problems that the skin sampling depth is difficult to control in the existing skin sampling process.
In order to solve the technical problems, the invention provides the following technical scheme:
the clinical skin biopsy ring cutter comprises a fixed cylinder pressed on the surface of human skin, a ring cutting sampling knife seat and a ring cutter blade for cutting the human skin, a traction component for controlling the ring cutting sampling knife seat to rotate and lift, and a disinfection component for disinfecting the ring cutter blade after the ring cutting sampling knife seat finishes sampling the skin, wherein the traction component comprises a sliding cylinder matched with the fixed cylinder, and a horizontal column, an extension hole and a guide hole matched with the sliding cylinder; the traction assembly further comprises a sampling seat used for driving the annular cutting sampling tool apron to synchronously rotate and lift, the annular cutting sampling tool apron is in threaded sleeve connection with the sampling seat, the disinfection assembly comprises disinfection cotton positioned above the annular cutting sampling tool apron, disinfection water is soaked in the disinfection cotton, the disinfection assembly further comprises a linkage assembly used for synchronously controlling the disinfection cotton to lift when the sampling seat rotates and lifts, the linkage assembly comprises a pull rope for hoisting the disinfection cotton, a horizontal shaft used for winding the pull rope, one end of the horizontal shaft is provided with a rotary gear and a rack which are meshed, and the rack is installed on the sliding tube.
Preferably, the sliding cylinder is slidably sleeved at the top of the fixed cylinder, the sampling seat is sleeved in the fixed cylinder, two horizontal columns corresponding to the positions are further connected to the outer wall of the sampling seat, two extension holes are formed in the bottom end of the sliding cylinder, and the two horizontal columns are sleeved in the corresponding extension holes respectively.
Preferably, the fixed cylinder is further provided with two guide holes corresponding to each other in position, the two horizontal columns are respectively sleeved in the guide holes on the corresponding sides, and the bottom ends of the two guide holes are respectively provided with a vertical extension hole which is vertically arranged.
Preferably, two vertical guide grooves corresponding to each other in position are formed in the inner wall of the sliding cylinder, two vertical guide blocks are fixedly mounted on the outer wall of the fixed cylinder, and the vertical guide blocks are slidably clamped in the vertical guide grooves on the corresponding sides.
Preferably, the U-shaped grooves corresponding to the positions are formed in two sides of the sampling seat, two limiting columns located at the same height are fixedly mounted on the inner wall of the fixed cylinder, and one end of each limiting column is slidably clamped in the corresponding U-shaped groove.
Preferably, the bottom end of the fixed cylinder is also provided with a rubber pad attached to the skin.
Preferably, the same reset spring is connected between the inner wall of the top end of the sliding cylinder and the top of the fixed cylinder.
Preferably, the fixed cylinder is internally provided with a footstock in a sliding manner, the sterilizing cotton is arranged in the footstock, the top end of the footstock is connected with a plurality of vertical guide rods which are sleeved on the top end of the fixed cylinder in a sliding manner, a plurality of auxiliary springs are sleeved on the vertical guide rods, and two ends of each auxiliary spring are respectively connected with the top end of the fixed cylinder and the footstock.
Preferably, the horizontal shaft is rotatably mounted at the top end of the fixed cylinder, two limiting rings are fixedly sleeved on the horizontal shaft, the top end of the pull rope is wound between the two limiting rings, and the bottom end of the pull rope is connected to the top seat.
Preferably, the rotary gear is mounted at one end of the horizontal shaft, an elongated slot is formed in the side wall of one of the vertical guide slots, the rack is mounted on the inner wall of one side of the elongated slot, and the outer diameter of the rotary gear is larger than that of the horizontal shaft.
Compared with the prior art, the invention has at least the following beneficial effects:
in the above scheme, the fixed cylinder is pressed on the skin at the corresponding position, the sliding cylinder is pressed downwards immediately, under the limiting action of the extension hole and the guiding action of the guide hole and the U-shaped groove, the sampling seat is synchronously driven to rotate while moving downwards under the restraining action of the limiting column in the downward moving process of the horizontal column, when the sampling seat drives the annular sampling seat to overturn to a completely inverted state, the sliding cylinder is continuously pressed downwards under the guiding action of the vertical extension hole, the limiting column is still clamped in the U-shaped groove at the corresponding side in a sliding manner, the sampling seat is further vertically moved downwards for a certain distance, the annular cutting knife edge cuts an annular incision on the pressed partial skin, meanwhile, before the annular cutting process begins, the installation depth of the annular cutting knife edge on the sampling seat can be adjusted through rotating the annular cutting sampling seat, so that the cutting depth of the annular cutting knife edge on the skin in the subsequent annular cutting process can be changed, and then the whole fixed cylinder is taken down from the skin, and the peripheral cut partial annular skin is removed through medical appliances such as surgical forceps, compared with the prior art, the whole annular cutting knife is not required to be manually operated, the whole annular cutting knife can be adjusted according to the whole skin is not required, and the whole skin is required to be adjusted according to the whole skin cutting depth, and the whole skin cutting knife can be required to be adjusted according to the whole skin cutting depth is not required to be used, and the whole skin cutting knife is required to be used for the test, and can be used for the test, and the test can be used for the test and the test can be used for the skin and the test and the skin and the test can be used for test and the skin and the test
When the skin is subjected to local circular cutting sampling, the fixed cylinder is kept fixed, the rack moves downwards along with continuous downward movement of the sliding cylinder, the rotating gear is driven to rotate, the horizontal shaft is further rotated, one end of the pull rope is continuously wound on the horizontal shaft, the top seat is lifted, so that sterilized cotton moves upwards, the sampling seat below the pull rope is kept to rotate and move downwards, the outer diameter of the rotating gear is larger than the outer diameter of the horizontal shaft, the sampling seat moves downwards, the top seat drives the sterilized cotton to move upwards at a slower speed, on the contrary, after the circular cutting edge finishes circular cutting operation on the skin, the sliding cylinder moves upwards under the elastic action of the reset spring, then the rotating gear is driven to rotate reversely through the rack, and then the sterilized cotton moves downwards along with upward movement of the circular cutting edge, until the circular cutting edge is in a completely horizontal state, the sterilized cotton and the top seat are kept in close contact with the circular cutting edge after circular cutting by the elastic action of the auxiliary spring, and the sterilized cotton can be in a tight contact with the circular cutting edge after circular cutting, and the sterilized cotton is in a completely horizontal state, the whole circular cutting edge is required to be cleaned by using the sterilized and the sterilized cotton, and the whole circular cutting edge is manually inserted, and the circular cutting edge is further cleaned.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a slide in a cut-away configuration of the present invention;
FIG. 3 is a schematic side view of the stationary barrel and slide barrel of the present invention in a cut-away configuration;
FIG. 4 is a schematic perspective view of a stationary drum according to the present invention;
FIG. 5 is a perspective view of a slide according to the present invention;
FIG. 6 is a schematic perspective view of a sample holder according to the present invention;
FIG. 7 is a schematic view of a cut-away perspective of a fixture cartridge of the present invention;
fig. 8 is a schematic perspective view of a part of a slide cylinder according to the present invention.
[ reference numerals ]
1. A fixed cylinder; 2. a sampling seat; 3. circular cutting sampling tool apron; 4. a circular cutting blade; 5. a slide cylinder; 6. a horizontal column; 7. an elongated aperture; 8. a guide hole; 9. a vertical guide groove; 10. a vertical guide block; 11. a U-shaped groove; 12. a limit column; 13. a rubber pad; 14. a return spring; 15. a vertically elongated aperture; 16. a vertical guide rod; 17. a top base; 18. sterilizing cotton; 19. an auxiliary spring; 20. a horizontal axis; 21. a limiting ring; 22. a pull rope; 23. a rotary gear; 24. an elongated slot; 25. a rack.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present invention provides a clinical skin biopsy ring cutter which is described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
As used herein, the term "nominal" refers to a desired or target value for a characteristic or parameter of a component or process operation, and a range of values above and/or below the desired value, that is set during a design phase of a production or manufacturing process. The range of values may be due to slight variations in manufacturing processes or tolerances. As used herein, the term "about" indicates a given amount of value that may vary based on the particular technology node associated with the subject semiconductor device. Based on a particular technology node, the term "about" may indicate a given amount of a value that varies, for example, within 5% -15% of the value (e.g., ±5%, ±10% or±15%).
It will be understood that the meanings of "on … …", "over … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" but also includes meaning "directly on" something with intervening features or layers therebetween, and "over … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 to 8, the embodiment of the invention provides a clinical skin biopsy ring cutter, which comprises a fixed cylinder 1 pressed on the surface of human skin, a ring cutting sampling knife holder 3 and a ring cutter blade 4 for cutting the human skin, a traction component for controlling the ring cutting sampling knife holder 3 to rotate and lift, and a disinfection component for disinfecting the ring cutter blade 4 after the ring cutting sampling knife holder 3 finishes sampling the skin, wherein the traction component comprises a sliding cylinder 5 matched with the fixed cylinder 1, and a horizontal column 6, an extension hole 7 and a guide hole 8 matched with the sliding cylinder; the traction component also comprises a sampling seat 2 used for driving the circular cutting sampling tool apron 3 to synchronously rotate and lift, the circular cutting sampling tool apron 3 is in threaded sleeve connection with the sampling seat 2, the disinfection component comprises a disinfection cotton 18 positioned above the circular cutting sampling tool apron 3, disinfection water is soaked in the disinfection cotton 18, the disinfection component also comprises a linkage component used for synchronously controlling the lifting of the disinfection cotton 18 when the sampling seat 2 rotates and lifts, the linkage component comprises a pull rope 22 used for hoisting the disinfection cotton 18, and a horizontal shaft 20 used for winding the pull rope 22, one end of the horizontal shaft 20 is provided with a rotary gear 23 and a rack 25 which are meshed, the rack 25 is arranged on the sliding cylinder 5, when the skin of a corresponding part needs to be cut for biopsy, the fixed cylinder 1 is firstly pressed on the skin of the corresponding position, the sliding cylinder 5 is pressed downwards, the circular cutting sampling tool apron 3 is driven to overturn and move downwards by the traction component in the downward moving process of the sliding cylinder 5, until the annular incision with corresponding depth is annularly cut on the skin by utilizing the annular cutter blade 4 under the vertical guiding action of the tail end of the guide hole 8, then the whole fixed cylinder 1 is removed, and the peripheral incised partial annular skin is removed by using devices such as forceps and the like, so that the sampling operation of skin biopsy is finished, meanwhile, the depth of the annular cutter blade seat 3 on the sampling seat 2 can be changed by rotating the annular cutter blade seat 3, the incising depth of the annular cutter blade seat 3 on the skin is changed, compared with the existing manual sampling technology, the sampling requirement on the skin needing biopsy on different depths can be rapidly finished, the sampling precision is improved, in addition, under the action of a sterilizing component, the annular cutter blade 4 after incising the skin can be tightly contacted with the sterilizing cotton 18, the annular cutter blade 4 is actively sterilized without a manual sterilization mode, further improving the practicability of the whole skin biopsy circular cutting tool.
As shown in fig. 1-6, the slide tube 5 is slidably sleeved on the top of the fixed tube 1, the sampling seat 2 is sleeved in the fixed tube 1, two horizontal columns 6 corresponding to the positions are also connected to the outer wall of the sampling seat 2, two extension holes 7 are formed at the bottom end of the slide tube 5, the two horizontal columns 6 are respectively sleeved in the corresponding extension holes 7, two guide holes 8 corresponding to the positions are also formed on the fixed tube 1, the two horizontal columns 6 are respectively sleeved in the guide holes 8 at the corresponding sides, vertical extension holes 15 which are vertically arranged are formed at the bottom ends of the two guide holes 8, two vertical guide grooves 9 corresponding to the positions are formed on the inner wall of the slide tube 5, two vertical guide blocks 10 are fixedly mounted on the outer wall of the fixed tube 1, the vertical guide blocks 10 are slidably clamped in the vertical guide grooves 9 at the corresponding sides, U-shaped grooves 11 corresponding to the positions are formed at the two sides of the sampling seat 2, two limit posts 12 positioned on the same height are fixedly arranged on the inner wall of the fixed cylinder 1, one end of each limit post 12 is slidably clamped in a corresponding U-shaped groove 11, the same reset spring 14 is connected between the inner wall of the top end of the sliding cylinder 5 and the top of the fixed cylinder 1, when the skin at the corresponding position needs to be cut off for biopsy, the fixed cylinder 1 is firstly pressed on the skin at the corresponding position, the sliding cylinder 5 is subsequently pressed downwards, then the horizontal post 6 synchronously drives the sampling seat 2 to move downwards and rotate under the constraint action of the limit post 12 under the guide action of the guide hole 8 and the U-shaped groove 11 in the downward moving process of the horizontal post 6, when the sampling seat 2 drives the circular cutting sampling tool apron 3 to be turned to a completely inverted state, the sliding cylinder 5 is continuously pressed downwards under the guide action of the vertical extension hole 15, the limit post 12 is still slidably clamped in the corresponding U-shaped groove 11, and then make the sampling seat 2 move vertically downwards a certain distance, and make the annular cutter blade 4 cut the annular incision on the local skin that presses down, simultaneously, before the above-mentioned annular cutting process begins, can also cut the sampling blade holder 3 through the rotation ring, adjust its installation depth on the sampling seat 2, in order to change the cutting depth of annular cutter blade 4 on the skin when following annular cutting, take off whole fixed section of thick bamboo 1 from the skin immediately, take off the local annular skin that the periphery has cut through medical appliances such as the operation pincers, compare in the prior art, not only need not whole to rely on manual operation, improved the sampling precision, can also according to the chemical examination demand, the different sampling depth to skin of corresponding adjustment, the application range of whole skin annular cutter utensil has been improved.
As shown in fig. 4, the bottom of the fixed cylinder 1 is further provided with a rubber pad 13 attached to the skin, and by setting the rubber pad 13, the contact tightness between the fixed cylinder 1 and the skin is improved, the accidental sliding phenomenon is prevented when the skin is sampled, the sampling error is further caused, meanwhile, the comfort level of the skin during sampling can be improved, and deeper indentation on the skin surface is avoided.
As shown in fig. 7 and 8, the fixed cylinder 1 is also provided with a top seat 17 in a sliding sleeve manner, the sterilizing cotton 18 is arranged in the top seat 17, the top end of the top seat 17 is connected with a plurality of vertical guide rods 16 which are sleeved in the top end of the fixed cylinder 1 in a sliding manner, auxiliary springs 19 are sleeved on the plurality of vertical guide rods 16, two ends of the plurality of auxiliary springs 19 are respectively connected with the top end of the fixed cylinder 1 and the top seat 17, a horizontal shaft 20 is rotatably arranged at the top end of the fixed cylinder 1, two limiting rings 21 are fixedly sleeved on the horizontal shaft 20, the top end of a pull rope 22 is wound between the two limiting rings 21, the bottom end of the pull rope 22 is connected with the top seat 17, a rotary gear 23 is arranged at one end of the horizontal shaft 20, an elongated slot 24 is arranged on the side wall of one vertical guide slot 9, a rack 25 is arranged on one side inner wall of the elongated slot 24, the outer diameter of the rotary gear 23 is larger than the outer diameter of the horizontal shaft 20, the sliding cylinder 5 is pressed down, when the skin is subjected to local circular cutting sampling, as the fixed cylinder 1 is kept fixed, the rack 25 moves downwards along with the continuous downward movement of the sliding cylinder 5 and drives the rotary gear 23 to rotate, so that the horizontal shaft 20 rotates, one end of the pull rope 22 continuously winds on the horizontal shaft 20 and lifts the top seat 17, so that the sterilized cotton 18 moves upwards, the lower sampling seat 2 is convenient to move downwards while rotating, the outer diameter of the rotary gear 23 is larger than the outer diameter of the horizontal shaft 20, the top seat 17 drives the upward movement speed of the sterilized cotton 18 to be slower while the sampling seat 2 moves downwards, on the contrary, when the circular cutting operation of the circular cutting knife blade 4 on the skin is finished, under the elastic force of the reset spring 14, the sliding cylinder 5 moves upwards, then the rotary gear 23 is driven to reversely rotate by the rack 25, so that the sterilized cotton 18 moves downwards along with the upward movement of the circular cutting blade 4, when the annular cutting knife edge 4 is completely horizontal, the sterilizing cotton 18 and the top seat 17 are just in a horizontal state, and under the action of the elasticity of the auxiliary spring 19, the sterilizing cotton 18 can be tightly contacted with the annular cutting knife edge 4 after annular cutting, so that the annular cutting knife edge 4 is sterilized by using sterilizing water in the sterilizing cotton 18, active sterilizing and cleaning of the annular cutting knife are realized, manual intervention is not needed, and the practicability of the annular cutting knife for the whole skin biopsy is further improved.
According to the technical scheme provided by the invention, the fixed cylinder is pressed on the skin at the corresponding position, the sliding cylinder is pressed downwards immediately, under the limiting action of the extension hole and the guiding action of the guide hole and the U-shaped groove, the sampling seat is synchronously driven to move downwards and rotate under the restraining action of the limiting column in the downward moving process of the horizontal column, when the sampling seat drives the annular cutting sampling tool holder to turn to a completely inverted state, the sliding cylinder is continuously pressed downwards under the guiding action of the vertical extension hole, the limiting column is still clamped in the U-shaped groove at the corresponding side in a sliding manner, the sampling seat is further vertically moved downwards for a certain distance, the annular cutting knife edge cuts an annular incision on the pressed partial skin, meanwhile, before the annular cutting process begins, the installation depth of the annular cutting knife on the sampling seat can be adjusted through rotating the annular cutting sampling tool holder, so that the cutting depth of the annular cutting knife edge on the skin in the subsequent annular cutting process can be changed, and then the whole fixed cylinder is removed from the skin, and the cut partial annular skin is removed through medical appliances such as operating forceps.
When the skin is subjected to local circular cutting sampling, the fixed cylinder is kept fixed, the rack moves downwards along with continuous downward movement of the sliding cylinder, the rotating gear is driven to rotate, the horizontal shaft is further rotated, one end of the pull rope is continuously wound on the horizontal shaft, the top seat is lifted, so that sterilized cotton moves upwards, the sampling seat below the pull rope is kept to rotate and move downwards, the outer diameter of the rotating gear is larger than the outer diameter of the horizontal shaft, the sampling seat moves downwards, the top seat drives the sterilized cotton to move upwards at a slower speed, on the contrary, after the circular cutting edge finishes circular cutting operation on the skin, the sliding cylinder moves upwards under the elastic action of the reset spring, then the rotating gear is driven to rotate reversely through the rack, and then the sterilized cotton moves downwards along with upward movement of the circular cutting edge, until the circular cutting edge is in a completely horizontal state, the sterilized cotton and the top seat are kept in close contact with the circular cutting edge after circular cutting by the elastic action of the auxiliary spring, and the sterilized cotton can be in a tight contact with the circular cutting edge after circular cutting, and the sterilized cotton is in a completely horizontal state, the whole circular cutting edge is required to be cleaned by using the sterilized and the sterilized cotton, and the whole circular cutting edge is manually inserted, and the circular cutting edge is further cleaned.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. In the following description of preferred embodiments of the invention, specific details are set forth in order to provide a thorough understanding of the invention, and the invention will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the embodiments described above may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as: ROM/RAM, magnetic disks, optical disks, etc.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (6)
1. The clinical skin biopsy circular cutting tool is characterized by comprising a fixed barrel pressed on the surface of human skin, a circular cutting sampling tool holder and a circular cutting tool blade for cutting the human skin, a traction assembly for controlling the circular cutting sampling tool holder to rotate and lift, and a disinfection assembly for disinfecting the circular cutting tool blade after the circular cutting sampling tool holder finishes sampling the skin, wherein the traction assembly comprises a sliding barrel matched with the fixed barrel, and a horizontal column, an extension hole and a guide hole which are matched with each other;
the traction assembly further comprises a sampling seat used for driving the circular cutting sampling tool apron to synchronously rotate and lift, the circular cutting sampling tool apron is in threaded sleeve connection with the sampling seat, the disinfection assembly comprises disinfection cotton positioned above the circular cutting sampling tool apron, disinfection water is soaked in the disinfection cotton, the disinfection assembly further comprises a linkage assembly used for synchronously controlling the disinfection cotton to lift when the sampling seat rotates and lifts, the linkage assembly comprises a pull rope for hoisting the disinfection cotton, and a horizontal shaft used for winding the pull rope, one end of the horizontal shaft is provided with a rotary gear and a rack which are meshed, and the rack is installed on the sliding tube;
the sliding cylinder is sleeved at the top of the fixed cylinder in a sliding manner, the sampling seat is sleeved in the fixed cylinder, two horizontal columns corresponding to the positions are further connected to the outer wall of the sampling seat, two extension holes are formed in the bottom end of the sliding cylinder, and the two horizontal columns are sleeved in the corresponding extension holes respectively;
the fixed cylinder is also provided with two guide holes corresponding to the positions, the two horizontal columns are respectively sleeved in the guide holes on the corresponding sides, and the bottom ends of the two guide holes are respectively provided with a vertical extension hole which is vertically arranged;
two vertical guide grooves corresponding to each other in position are formed in the inner wall of the sliding cylinder, two vertical guide blocks are fixedly mounted on the outer wall of the fixed cylinder, and the vertical guide blocks are slidably clamped in the vertical guide grooves on the corresponding sides;
the two sides of the sampling seat are provided with U-shaped grooves corresponding to each other in position, two limiting columns located at the same height are fixedly mounted on the inner wall of the fixed cylinder, and one end of each limiting column is slidably clamped in the corresponding U-shaped groove.
2. The clinical skin biopsy circular cutting tool according to claim 1, wherein the bottom end of the stationary barrel is further provided with a rubber pad for engaging the skin.
3. The clinical skin biopsy circular cutting tool according to claim 1, wherein the same return spring is connected between the inner wall of the top end of the slide cylinder and the top of the fixed cylinder.
4. The clinical skin biopsy circular cutting tool according to claim 1, wherein a top seat is further sleeved in the fixed cylinder in a sliding manner, the sterilized cotton is installed in the top seat, the top end of the top seat is connected with a plurality of vertical guide rods sleeved in the top end of the fixed cylinder in a sliding manner, a plurality of auxiliary springs are sleeved on the vertical guide rods, and two ends of the auxiliary springs are respectively connected to the top end of the fixed cylinder and the top seat.
5. The clinical skin biopsy circular cutting tool according to claim 4, wherein the horizontal shaft is rotatably mounted at the top end of the fixed cylinder, two limiting rings are fixedly sleeved on the horizontal shaft, the top end of the pull rope is wound between the two limiting rings, and the bottom end of the pull rope is connected to the top seat.
6. The clinical skin biopsy circular cutting tool according to claim 5, wherein the rotary gear is mounted at one end of the horizontal shaft, an elongated slot is formed in a side wall of one of the vertical guide slots, the rack is mounted on an inner wall of one side of the elongated slot, and an outer diameter of the rotary gear is larger than an outer diameter of the horizontal shaft.
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| CN202211132896.XA CN115737004B (en) | 2022-09-16 | 2022-09-16 | Clinical skin biopsy ring cutter |
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| CN202211132896.XA CN115737004B (en) | 2022-09-16 | 2022-09-16 | Clinical skin biopsy ring cutter |
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| US20110125054A1 (en) * | 2009-11-25 | 2011-05-26 | Robert Clements | Device, system and method for multiple core biopsy |
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