Self-Collecting Cervical Sampling Device with Barrier Film
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Solution Overview
Problem
Existing Pap smear tests require professional assistance and are time-consuming, often resulting in injuries due to difficulty in reaching the squamo-columnar junction, and there is limited access to healthcare facilities for regular testing, making early diagnosis of cervical cancer challenging.
Innovation Solution
A self-automatic HVS and Pap smear test apparatus that allows patients or doctors to collect cervical cell samples or liquids from the vagina using a device with a movable cylinder and springs, featuring a brush or cotton tip for accurate sampling without the need for sterilization, ensuring the sample is not contaminated and can be easily transported to a laboratory.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a doctor performs Pap smear test using traditional devices, then the sample collection can reach the squamo-columnar junction, but the process is time-consuming and requires professional assistance
Solution Approach 1:
The patent enables women to perform Pap smear tests themselves using a self-collection kit. The device includes a container with a swab that can be inserted into the vagina to collect cervical cells. The container has a barrier film that prevents contamination while allowing cell collection. This self-service approach eliminates the need for doctor assistance and significantly reduces testing time while maintaining sample collection accuracy.
2Ease of operation
If a patient attempts self-sampling without professional guidance, then accessibility to testing improves, but the risk of injury and incorrect sampling increases
Solution Approach 1:
The patent introduces a barrier film as an intermediary component between the sampling swab and the external environment. This film prevents contamination of the sample while allowing cells to be collected. The device includes clear instructions and a designed insertion depth marker to guide patients safely. The barrier film acts as a mediator that protects against injury and contamination, enabling safe self-sampling.
Solution Approach 2:
The patent uses a flexible barrier film that can be inserted into the vagina and then torn or removed after sampling. This thin film structure allows the swab to reach the cervical area safely while preventing contamination from external sources. The flexible nature of the film accommodates the anatomical structure and enables easy insertion and removal without causing injury.
3Quantity of substance
If traditional sampling devices are used, then cells can be collected from the cervix, but the sample may be contaminated during handling and transport
Solution Approach 1:
The barrier film serves as an intermediary that separates the sample collection area from the external environment. It allows cervical cells to be collected on the swab while preventing contamination from bacteria, skin cells, or other external sources. The film remains in place during insertion and sampling, then is torn or removed after the sample is collected, ensuring the sample stays uncontaminated throughout handling and transport to the laboratory.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus facilitates convenient, pain-free, and accurate sampling, allowing for early diagnosis and prevention of cervical tumors, reducing the risk of contamination and the need for professional assistance, while enabling regular testing even in limited healthcare settings.
Implementation Method 1
When applied pressure, the head part (2) of the HVS and Pap smear testing apparatus opens and the cotton (35) or brush (47) tip takes sample from the relevant area and recedes to cylinder and closes by taking sample from the relevant area
Data Source
Figure 1a~1c
Figure 2a~2b
Figure 3a~3b
AI summary
The subject invention is related to the HVS and Pap smear testing apparatus providing Pap smear testing for Human Papilloma Virus (HPV) and HSV test for culture and sensitivity by doctor and patient automatically and being characterized by outer cylinder (1), head (2), interior side (3), end side (4), ring 1 (5), spiral end (6), ring 2a (7), internal cylinder 1 (8), piston cover (9), cylinder (10), protective cover (11), end part (12), outer end side (13), interior end side (14), flexible tube (15), medical tube (16), spring 1 (17), recoil cylinder 1 (18), line 1 (19.a), line 2 (19.b), ring 3 (20), ring 2b (21), spring 2 (22), internal cylinder 2 (23), ring 4 (24), hole 1 (25), tip holder (26), spring 3 (27), recoil cylinder 2 (28), hole 2 (29), circle 1 (30), coil (31), ring 5 (32), ring 6 (33), head bar 1 (34), cotton (35), empty space (36), accuracy sign (37), cone (38), circle 2 (39), black rubber (40), rear part (41), small cylinder 1 (42), wing (43), small cone (44), small cylinder 2 (45), head bar 2 (46), brush (47), ring 7 (48), brush bristle (49), sharp edge (50), and hole 3 (51).