CN117481708B - Cervical brush with end head protection function and application method thereof - Google Patents
Cervical brush with end head protection function and application method thereof Download PDFInfo
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- CN117481708B CN117481708B CN202311843107.8A CN202311843107A CN117481708B CN 117481708 B CN117481708 B CN 117481708B CN 202311843107 A CN202311843107 A CN 202311843107A CN 117481708 B CN117481708 B CN 117481708B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008602 contraction Effects 0.000 claims abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 3
- 229920001971 elastomer Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 210000003679 cervix uteri Anatomy 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 206010052428 Wound Diseases 0.000 claims description 2
- 206010013082 Discomfort Diseases 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract 1
- 210000004291 uterus Anatomy 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 238000007790 scraping Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 206010008342 Cervix carcinoma Diseases 0.000 description 2
- 208000006105 Uterine Cervical Neoplasms Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 201000010881 cervical cancer Diseases 0.000 description 2
- 230000002380 cytological effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010008263 Cervical dysplasia Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000007951 cervical intraepithelial neoplasia Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002529 medical grade silicone Polymers 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0291—Instruments for taking cell samples or for biopsy for uterus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B2010/009—Various features of diagnostic instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0216—Sampling brushes
Abstract
The invention provides a cervical brush with a protected end and a use method thereof, wherein the cervical brush comprises a handle part, a diameter-variable brush head and a support control rod; the front end part of the support control rod is provided with a flexible end head; the diameter-variable brush head comprises a circumferential diameter-variable part and an umbrella-shaped diameter-variable part; the circumferential variable diameter part and the umbrella-shaped variable diameter part are sequentially arranged at the front end of the support control rod; the circumferential reducing part realizes circumferential reducing through axial expansion and contraction; the inner concave surface of the umbrella-shaped reducing part is provided with bristles; the umbrella-shaped reducing part can be controlled to shrink or expand; the umbrella-shaped diameter-changing part works through the inner end surface bristles when being unfolded, the diameter-changing brush head can effectively collect cells on the inner wall of the bottom of the uterus on one hand, and can effectively reduce stabbing injury to a patient when the umbrella-shaped diameter-changing part stretches into a part to be inspected and secondary pollution of foreign matters to target cells when the umbrella-shaped diameter-changing part is taken out on the other hand.
Description
Technical Field
The invention relates to the technical field of cervical brush manufacturing, in particular to a cervical brush with end head protection and a using method thereof.
Background
Along with popularization and development of cervical cancer screening in recent years, the detection rate of cervical intraepithelial neoplasia and cervical cancer is obviously improved clinically. The cervical brush is a common medical appliance for gynecological cervical examination, and generally consists of a brush handle and a brush head, and according to the development of manufacturing technology, a great deal of technical improvements are made on the manufacturing materials and the forming structures of the original cervical brush.
In the prior art, a disposable cervical brush at the external cervical orifice is disclosed, and the publication number is CN218484592U; comprising the following steps: a handle portion, a disposable acquisition portion being detachably mounted at a distal end of the handle portion; the disposable collection portion includes the connecting seat, the connecting seat has the collection slide bar through the slide hole sliding connection who offers on it, the both sides of connecting seat and the both sides of collection slide bar all bond and install elasticity V type frame, the bottom fixedly connected with conflict piece one of collection slide bar, the outer wall surface of collection slide bar is close to upper position department and the outer wall surface of elasticity V type frame all is provided with soft brush hair. The disposable cervical brush at the external cervical orifice enables the elastic V-shaped frame to be in a straightened state when the disposable collecting part enters and exits the body of a patient; in this scheme, the stab in the use has been reduced to a certain extent through the design of V type, but the tip of V type design causes more serious fish tail to the tissue easily in the rotatory in-process of scraping the tissue cell.
The prior art DE102018208769a discloses a cervical brush and discloses it with a large number of bristles which are fixed to an arrangement of axially extending wires and which are formed of at least 600 plastic wires having a diameter between 350 μm and 900 μm, an axial density of at least 600 wires and a maximum axial extent of 3cm. The cervical brush in the prior art improves the brush head part, but when the brush (2) part enters the part to be detected, the brush is easy to stab the patient due to the scattered state.
Aiming at the defects in the prior art, a cervical brush with a protected end and a using method of the cervical brush are provided.
Disclosure of Invention
The main purpose of the application is to provide a cervical brush with end head protection and a using method thereof, and aims to solve the problem that the cervical brush is unnecessarily stabbed on a patient and collect tissue cells of a part to be detected better in the using process of the cervical brush.
In order to achieve the technical aim, the application provides a cervical brush with a protected end and a using method of the cervical brush, wherein the cervical brush comprises a handle part, a variable-diameter brush head and a supporting control rod; the front end part of the support control rod is provided with a flexible end head;
the diameter-variable brush head comprises a circumferential diameter-variable part and an umbrella-shaped diameter-variable part; the circumferential variable diameter part and the umbrella-shaped variable diameter part are sequentially arranged at the front end of the support control rod; the circumferential reducing part realizes circumferential reducing through axial expansion and contraction; the upper end part of the umbrella-shaped reducing part is overlapped with the lower end part of the Zhou Xiangbian diameter part; the inner concave surface of the umbrella-shaped reducing part is provided with bristles; the umbrella-shaped reducing part can be controlled to shrink or expand; the umbrella-shaped reducing part wraps the part of the circumferential reducing part when shrinking; the umbrella-shaped reducing part works through brushing hair on the inner end surface when being unfolded;
the handle part is used for operating the cervical brush.
As a preferable technical scheme of the application, the front end part of the support control rod is provided with a flexible end head, and the flexible end head is made of rubber materials.
As a preferred technical solution of the present application, the circumferential reducing portion includes a reducing assembly, and the reducing assembly can be controllably expanded and contracted.
As a preferable technical scheme of the application, the circumferential reducing portion further comprises a flexible sponge arranged outside to wrap, and the flexible sponge can change along with the shape change of the reducing assembly.
As a preferable technical scheme of the umbrella-shaped diameter-changing part, the inner side surface of the umbrella-shaped diameter-changing part is provided with bristles, and the lengths of the bristles are sequentially shortened from the center to the outside.
As a preferable embodiment of the present application, the bristle surface of the end face of the umbrella-shaped reducing portion is substantially flat when the umbrella-shaped reducing portion is opened.
As a preferable embodiment of the present application, the diameters of the circumferential variable diameter portion and the umbrella-shaped variable diameter portion when fully unfolded are D1 and D2, respectively, and D2 is 2 to 5 times D1.
As a preferable embodiment of the present application, when the circumferential variable diameter portion is unfolded, the bristles on the inner side surface thereof are substantially parallel to the radial direction of the support lever.
As a preferable embodiment of the present application, the circumferential variable diameter portion is spindle-shaped when being expanded.
A method of using a cervical brush, comprising:
step 1, stretching a cervical brush into a position to be inspected;
step 2, controlling the diameter-variable brush head to sequentially expand by the support control rod, wherein the diameter-variable brush head comprises a circumferential diameter-variable part and an umbrella-shaped diameter-variable part;
step 3, rotating and scraping the variable-diameter brush head at the checking position for 8-15 circles by operating the handle part;
step 4, controlling the diameter-variable brush head to sequentially shrink by the supporting control rod, wherein the diameter-variable brush head comprises an umbrella-shaped diameter-variable part and a circumferential diameter-variable part;
and 5, taking out the cervical brush with the end head protection, and storing the collected tissue cells at the end part of the cervical brush for detection.
Compared with the prior art, the application has the following beneficial effects:
1. the cervical brush is protected at the end, and a plastic or flexible rubber and the like are arranged at the front end of the cervical brush in the prior art, but when the sponge is adopted as a brush part of the cervical brush, the tip part is not specially treated generally, but a rigid tip is reserved, so that the cervical brush is easy to stab a part to be detected when extending into the part to be detected.
2. The diameter-changing arrangement of the brush head part is an important technical direction for reducing unnecessary scratches or stabs of patients in the technical design of the cervical brush, and the technical direction of diameter changing is improved in the prior art; in addition, the umbrella-shaped brush head is arranged to control the expansion and the retraction, so that on one hand, the stab in the extending process can be reduced, in addition, after the tissue scraping is completed, the umbrella-shaped brush head can be retracted, the scraped part of the circumferential variable-diameter part can be protected, and mixed pollution with other tissues during the withdrawing process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a cervical brush according to a preferred embodiment of the invention;
fig. 2 is a schematic view showing the internal structure of the cervical brush according to the preferred embodiment of the present invention;
fig. 3 is an expanded view of a circumferential variable diameter portion of the cervical brush according to the preferred embodiment of the invention;
fig. 4 is an expanded view of an umbrella-shaped diameter-changing portion of the cervical brush according to the preferred embodiment of the invention;
fig. 5 is a schematic view showing the operation of the cervical brush according to the preferred embodiment of the present invention;
FIG. 6 is a partially enlarged schematic view of the circumferential diameter-changing portion according to the preferred embodiment of the present invention;
in the figure: 1. a handle portion; 2. supporting a control rod; 3. a flexible tip; 4. a circumferential variable diameter portion; 5. an umbrella-shaped reducing part; 6. brushing; 7. a reducing assembly; 8. a flexible sponge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described with reference to the accompanying drawings.
The terms "first" and "second" and the like in the description, claims and drawings of the present application are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprising," "including," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. Such as a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to the list of steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will recognize explicitly and implicitly that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1-6, the preferred embodiment of the present invention provides a tip-protected cervical brush comprising a handle portion 1, a variable diameter brush head, a support control lever 2; the front end part of the support control rod 2 is provided with a flexible end head 3;
the diameter-variable brush head comprises a circumferential diameter-variable part 4 and an umbrella-shaped diameter-variable part 5; the circumferential variable diameter part 4 and the umbrella-shaped variable diameter part 5 are sequentially arranged at the front end of the support control rod 2; the circumferential reducing part 4 realizes circumferential reducing through axial expansion and contraction; the upper end part of the umbrella-shaped reducing part 5 is overlapped with the lower end part of the circumferential reducing part 4; the inner concave surface of the umbrella-shaped reducing part 5 is provided with bristles 6; the umbrella-shaped reducing part 5 can be controlled to shrink or expand; the umbrella-shaped reducing part 5 wraps the part of the circumferential reducing part 4 when shrinking; the umbrella-shaped reducing part 5 works through the inner end surface bristles 6 when being unfolded;
the handle part 1 is used for operating the cervical brush.
Specifically, by axially expanding and contracting the support control rod 2, the circumferential variable diameter portion 4 is driven to be circumferentially enlarged and reduced, when the support control rod 2 is pushed forward in the front end direction, the circumferential variable diameter portion 4 is gradually unfolded, when the support control rod 2 is pushed to a limit position, the circumferential variable diameter portion 4 is in a fully unfolded state, and when the support control rod 2 is pulled back in the direction away from the end, the circumferential variable diameter portion 4 is gradually reduced until the support control rod is pulled back to an initial position.
Further, a flexible end head 3 is arranged at the front end part of the support control rod 2, and the flexible end head 3 is made of rubber materials. Specifically, the flexible end head 3 is made of rubber material, and the rubber material is soft and has certain elasticity, so that uncomfortable feeling and potential damage to a cervical sensitive area in the sampling process can be reduced; meanwhile, the flexibility of the rubber is beneficial to the cervical brush to adapt to the shape of a cervical canal better, and the efficiency and quality of cell collection are improved. In addition to the preferred rubber materials, other soft materials such as medical grade silicone, thermoplastic elastomer, etc. can be used to make the flexible tip 3, which can provide good softness and comfort while ensuring durability and safety of the cervical brush.
Further, the circumferential reducing portion 4 includes a reducing assembly 7, and the reducing assembly 7 can be controllably expanded and contracted. The diameter-changing assembly 7 is matched with the expansion and contraction of the supporting control rod 2 to perform the expansion and contraction actions, the diameter-changing assembly 7 is arranged close to the flexible end head 3 in a diamond structure in the structure of the diameter-changing assembly 7, the front end of the diameter-changing assembly 7 is stopped in the axial direction, the rear end of the diameter-changing assembly 7 can be pushed by a connecting sleeve, a thrust piece or the like to control the expansion and contraction of the diameter-changing assembly 7, the part is a conventional technical means in mechanical control, and a person skilled in the art can be matched with a corresponding structure in an adaptive manner in order to realize the function, and further description is omitted in the invention.
Further, the circumferential reducing portion 4 further includes a flexible sponge 8 disposed on the outer side for wrapping, the flexible sponge 8 is capable of changing with the shape change of the reducing assembly 7, the flexible sponge 8 is used for absorbing and retaining the cell sample during the collection process, so that the sample can be transferred to the laboratory for cytological analysis more easily, and the softness and adsorption performance of the flexible sponge 8 can help to ensure the integrity and quality of the collected cell sample.
In a preferred embodiment, a flexible end 3 is arranged at the front end of the support control rod 2, the lower part of the flexible end 3 is connected with the reducing component 7, the reducing component 7 is sleeved on the support control rod 2, the flexible sponge 8 is sleeved on the reducing component 7, specifically, the upper end of the flexible sponge 8 is connected with the flexible end 3, the lower end of the flexible sponge 8 is connected with the support control rod 2, the middle part of the flexible sponge 8 is wrapped on the reducing component 7, when the reducing component 7 is enlarged, the flexible sponge 8 sleeved on the reducing component 7 is contracted along with the enlargement of the reducing component 7, and the peripheral diameter of the flexible sponge 8 is adjusted to enable the flexible sponge 8 to be better adapted to the shapes and the sizes of different cervical ducts, so that the efficiency and the quality of collecting samples are improved, and the flexible sponge 8 is enlarged and the discomfort to a patient in a cervical region is reduced; when the collection is completed, the flexible sponge 8 is contracted, the sample is absorbed on the flexible sponge more tightly, the collected sample is better protected from damage or pollution, and the reliability of the sample is improved.
Further, bristles 6 are arranged on the inner side surface of the umbrella-shaped reducing part 5, specifically, the bristles 6 are used for scraping cell samples on the surface of the cervix, the cells on the surface of the cervix are scraped gently through the bristles 6, and the scraped cell samples are absorbed and stored by being matched with a flexible end head 3 arranged at the front end part of the supporting control rod 2; the longitudinal section of the umbrella-shaped reducing part 5 is horn-shaped, the brush hair 6 is arranged on the inner side surface of the umbrella-shaped reducing part 5, and the length of the brush hair 6 is sequentially shortened from one side close to the support control rod 2 to the outside.
Further, when the umbrella-shaped reducing part 5 is opened, the bristle 6 surface of the end face is substantially flat. The umbrella-shaped reducing part 5 is gradually unfolded outwards by rotating the support control rod 2, when the umbrella-shaped reducing part 5 is gradually unfolded, bristles 6 on the inner side of the umbrella-shaped reducing part 5 gradually extend outwards, the inclination angle of one side, which is close to the support control rod 2, of the other side, which is far away from the support control rod 2, is gradually reduced, and the umbrella-shaped reducing part 5 is completely unfolded, namely, the umbrella-shaped reducing part 5 is in a flat angle state.
Further, the inner part or the bottom surface of the umbrella-shaped surface structure of the umbrella-shaped reducing part 5 is provided with a memory component, which can be a inlaid memory metal piece or other memory structures, and the design is a common technical means for realizing the deformation and recovery of the structure in the prior art, and is not further described in the application; when the umbrella-shaped reducing part 5 is extended, the umbrella-shaped reducing part can be automatically unfolded, and when the umbrella-shaped reducing part is recovered, the umbrella-shaped reducing part can be tightened according to external acting force.
Further, the umbrella-shaped inner side surface brush parts of the umbrella-shaped reducing parts 5 are arranged at intervals so as to facilitate the recovery of the umbrella-shaped reducing parts 5.
Further, the diameters of the circumferential variable diameter portion 4 and the umbrella-shaped variable diameter portion 5 when fully unfolded are D1 and D2, respectively, and D2 is 2-5 times of D1.
In a preferred embodiment, the circumferential variable diameter portion 4 and the umbrella-shaped variable diameter portion 5 are controlled by the expansion and the rotation of the support control rod 2 respectively, so that the circumferential variable diameter portion 4 and the umbrella-shaped variable diameter portion 5 are matched with each other, and the diameters of the circumferential variable diameter portion 4 and the umbrella-shaped variable diameter portion 5 when fully unfolded are set to be D1 and D2 when the umbrella-shaped variable diameter portion 5 and the umbrella-shaped variable diameter portion 5 are fully unfolded, and the D2 is 2-5 times of D1, and in actual use, the sizes of the umbrella-shaped variable diameter portion 5 and the circumferential variable diameter portion 4 can be adaptively adjusted respectively according to the size of a cervical canal of a patient.
Further, when the umbrella-shaped diameter-changing portion 5 is unfolded, the bristles 6 on the inner side surface thereof are substantially parallel to the radial direction of the support lever 2.
Further, the circumferential variable diameter portion 4 serves as an internal support of the flexible sponge 8, the circumferential variable diameter portion 4 is in a spindle shape when being unfolded, after the flexible sponge 8 is unfolded, the contact area between the sponge and the cervical surface can be increased by the spindle-shaped circumferential variable diameter portion 4, cells can be collected from a wider area, and the spindle-shaped unfolded structure can reduce the local pressure on cervical tissues through uniformly distributed unfolding force, so that potential wounds and discomfort to the cervix during sampling are reduced; after the circumferential diameter-changing portion 4 inside the flexible sponge 8 is spread, the collected cells can be uniformly attached to the sponge, and further, the preservation and transportation of the sample are facilitated.
Further, the cervical brush is used as follows:
step 1, stretching a cervical brush into a position to be inspected; in particular, to prepare before sampling a cervical brush, the patient needs to take a supine position, and a doctor or medical staff opens the vagina using a vaginal dilator so as to see the cervix, stretches the cervical brush into a position to be inspected, and the position to be inspected comprises the external opening of the cervical canal and the cervical surface;
step 2, controlling the expansion of the variable-diameter brush head comprising a circumferential variable-diameter part 4 and an umbrella-shaped variable-diameter part 5 in sequence through the support control rod 2; specifically, the shape and the size of the cervical canal are observed through an instrument, the support control rod 2 is slowly rotated to control the gradual unfolding of the umbrella-shaped variable diameter part 5, so that bristles 6 inside the umbrella-shaped variable diameter part 5 are stretched out, the rotation of the support control rod 2 is stopped at a proper unfolding angle, after the umbrella-shaped variable diameter part 5 is unfolded, the support control rod 2 is forwards stretched to control the circumferential variable diameter part 4 to more accurately approach to the position to be inspected, and in the approaching process, the circumferential variable diameter part 4 gradually becomes larger, and the flexible sponge 8 wrapped outside is gradually enlarged;
step 3, rotating and scraping the reducing brush head at the checking position for 8-15 circles by operating the handle part 1 so as to fully collect the cell sample;
step 4, controlling the diameter-changing brush head to sequentially shrink by the supporting control rod 2, wherein the diameter-changing brush head comprises an umbrella-shaped diameter-changing part 5 and a circumferential diameter-changing part 4; the variable-diameter brush head is controlled to shrink through the supporting control rod 2, the umbrella-shaped variable-diameter part 5 needs to shrink firstly to separate from the cervical canal, and then the circumferential variable-diameter part 4 is arranged to enable the brush head to recover to a smaller-diameter state so as to be safely and smoothly taken out from the cervical canal;
and 5, taking out the end-protected cervical brush, storing the collected tissue cells at the end of the cervical brush to be inspected, and safely storing the end-protected part, namely the part collected by the tissue cells, so as to send the end-protected part to a laboratory for cytological inspection for subsequent staining and microscopic inspection.
From the foregoing description of the embodiments, it will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of functional modules is illustrated, and in practical application, the above-described functional allocation may be implemented by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to implement all or part of the functions described above.
Finally, it should be noted that the above embodiments are merely for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.
Claims (5)
1. An end-protected cervical brush comprises a handle part (1), a reducing brush head and a supporting control rod (2); the method is characterized in that: the front end part of the support control rod (2) is provided with a flexible end head (3);
the diameter-variable brush head comprises a circumferential diameter-variable part (4) and an umbrella-shaped diameter-variable part (5); the circumferential variable diameter part (4) and the umbrella-shaped variable diameter part (5) are sequentially arranged at the front end of the support control rod (2); the circumferential reducing part (4) realizes circumferential reducing through axial expansion and contraction; the upper end part of the umbrella-shaped reducing part (5) is overlapped with the lower end part of the circumferential reducing part (4); the inner concave surface of the umbrella-shaped reducing part (5) is provided with bristles (6); the umbrella-shaped reducing part (5) can be controlled to shrink or expand; the umbrella-shaped reducing part (5) wraps the part of the circumferential reducing part (4) when shrinking; the umbrella-shaped reducing part (5) works through the inner end surface bristles (6) when being unfolded;
the handle part (1) is used for operating the cervical brush;
the circumferential variable diameter part (4) comprises a variable diameter assembly (7), and the variable diameter assembly (7) can be controllably unfolded and folded; the lower part of the flexible end head (3) is connected with the reducing component (7), the reducing component (7) is sleeved on the supporting control rod (2),
the circumferential variable diameter part (4) further comprises a flexible sponge (8) which is arranged on the outer side and wraps the variable diameter assembly (7), the flexible sponge (8) is sleeved on the variable diameter assembly (7), and the flexible sponge (8) can change along with the shape change of the variable diameter assembly (7);
the circumferential variable diameter part (4) is spindle-shaped when being unfolded, after the flexible sponge (8) is enlarged, the contact area between the sponge and the surface of the cervix can be increased by the spindle-shaped circumferential variable diameter part (4), and the local pressure on cervical tissues can be reduced by the uniformly distributed expanding force by the spindle-shaped unfolding structure, so that potential wounds and discomforts to the cervix during sampling are reduced;
the diameters of the circumferential variable diameter part (4) and the umbrella-shaped variable diameter part (5) are respectively D1 and D2 when the umbrella-shaped variable diameter part is completely unfolded, and D2 is 2-5 times of D1.
2. Cervical brush according to claim 1, characterized in that the flexible tip (3) is made of rubber material.
3. Cervical brush according to claim 1, characterized in that the inner side of the umbrella-shaped reducing part (5) is provided with bristles (6), the length of the bristles (6) is sequentially shortened from the center to the outside.
4. A cervical brush according to claim 3, wherein the end faces of the umbrella-shaped diameter-changing portion (5) are substantially flat when the brush bristles (6) are opened.
5. Cervical brush according to claim 1, characterized in that the bristles (6) of the inner side face of the umbrella-shaped diameter-changing portion (5) are substantially parallel to the radial direction of the support lever (2) when the latter is unfolded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843107.8A CN117481708B (en) | 2023-12-29 | 2023-12-29 | Cervical brush with end head protection function and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311843107.8A CN117481708B (en) | 2023-12-29 | 2023-12-29 | Cervical brush with end head protection function and application method thereof |
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| Publication Number | Publication Date |
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| CN117481708A CN117481708A (en) | 2024-02-02 |
| CN117481708B true CN117481708B (en) | 2024-03-22 |
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| CN202311843107.8A Active CN117481708B (en) | 2023-12-29 | 2023-12-29 | Cervical brush with end head protection function and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102365055A (en) * | 2009-01-27 | 2012-02-29 | 遗传技术有限公司 | Biological sampling device |
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|---|---|---|---|---|
| CN110448343A (en) * | 2019-08-26 | 2019-11-15 | 星奇点(武汉)医疗科技有限公司 | Upper digestive tract Cell collection device |
| KR102570634B1 (en) * | 2021-07-14 | 2023-08-25 | 서울대학교병원 | Cytobrush for improved accuracy of uterine cervical cancer screening |
| CN216455101U (en) * | 2021-10-29 | 2022-05-10 | 深圳市康达安生物科技有限公司 | Nucleic acid detection sampling device |
| CN217014097U (en) * | 2021-12-30 | 2022-07-22 | 上海健采医疗器械有限公司 | HPV self-sampling device |
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| CN117481708A (en) | 2024-02-02 |
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