Sampling device for medical detection

Abstract

The utility model discloses a sampling device for medical detection. The sampling device comprises a sleeve with two open ends, an ejection mechanism is coaxially inserted into the upper end of the sleeve and comprises a driving part with the lower end inserted into an inner cavity of the sleeve and a sampling part arranged on the lower side of the driving part, and the driving part and the sampling part are in sliding connection with the inner cavity of the sleeve; the lower side of the sleeve is connected with a closing mechanism which comprises a sealing sleeve coaxially arranged on the lower side of the sleeve and provided with an upward opening, and the upper portion of the sealing sleeve is hinged to the lower portion of the sleeve. The sample can be sealed before and after sampling, so that the sample is in a relatively safe environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical examination technical field especially, relate to a sampling device for medical detection. BACKGROUND

[0002] Usually in the medicine research and development experiment, in order to understand the therapeutic effect of medicine;Need to carry out drug efficacy monitoring by carrying out medicine experiment to animals, but extracting animal epithelial cell for detection is a conventional means for judging the physical condition of animals.

[0003] Epithelial tissue is the basic tissue of animals, which is composed of densely arranged epithelial cells and a small amount of intercellular substance. Epithelial cells are cells located on the surface of the skin or cavity. Oral epithelial cells are a kind of epithelial cells; Oral epithelial cells are mainly distributed in the buccal part of the oral cavity.

[0004] Sampling of animal oral epithelial cells is a common operation for analyzing experimental animal models. However, in the process of sampling animal oral epithelial cells, experimental animals will instinctively bite or damage the sampling tool in the oral cavity, causing the sample to be damaged.

[0005] The inventor knows a medical examination sampling device (CN 111766110 A), which comprises an outer cylinder and a sampling needle tube arranged at the lower end of the outer cylinder. A plurality of inner cylinders are arranged inside the outer cylinder and distributed around the axis of the outer cylinder. A ring groove is formed on the bottom wall of the outer cylinder, and a plurality of first through holes are arranged in the ring groove and connected to the inner cylinders one by one. A sealing rotating ring is arranged inside the ring groove and rotates sealingly. A plurality of second through holes are arranged on the sealing rotating ring and located on the same circle as the first through holes. The sampling needle tube is arranged at the second through hole on the sealing rotating ring and connected thereto. A rotating drive mechanism is arranged inside the outer cylinder to adjust the position of the sampling needle tube. A piston plate is arranged inside each inner cylinder, and a piston rod penetrating the top wall of the outer cylinder is fixed on the piston plate. A lifting hook is arranged on the piston rod.

[0006] However, the above-mentioned application has the following technical problems:

[0007] 1. The sampling device cannot seal and protect the sample after sampling, which increases the exposure time of the sample to the outside world and increases the risk of sample contamination.

[0008] 2. The sampling device is complicated to operate, which prolongs the sampling time and is not conducive to improving the sampling efficiency, and further increases the risk of sample damage. UTILITY MODEL CONTENT

[0009] The utility model discloses a medical detection sampling device can seal sampling sample before and after sampling and make sample in relatively safe environment.

[0010] The utility model discloses the following technical solutions:

[0011] A medical detection sampling device, including the sleeve of two ends opening, the coaxial insertion of sleeve upper end ejection mechanism, and ejection mechanism includes the drive part of lower end insertion in the inner chamber of sleeve and the sampling part of setting in the lower side of drive part, and drive part and sampling part are connected with the inner chamber of sleeve sliding respectively.

[0012] Further, the sampling part includes a clamping disc disposed in the inner chamber of the sleeve and a sampling cotton swab coaxially inserted into the lower end of the clamping disc; the upper part of the sampling cotton swab is detachably connected with the clamping disc, and the lower part is provided with a sampling cotton; the clamping disc is size-fitted with the inner chamber of the sleeve and is slidingly connected with the inner chamber of the sleeve; and a plurality of support plates are uniformly arranged on the upper end of the clamping disc in the circumferential direction.

[0013] Further, the drive part includes a drive disc arranged above the sleeve and a plurality of drive plates uniformly arranged along the circumferential direction of the lower end surface of the drive disc, and each drive plate is correspondingly provided with a support plate at the lower end thereof.

[0014] Further, the lower side of the clamping disc is further provided with an ejection spring, the upper end of the ejection spring is connected with the clamping disc, the lower end of the ejection spring is connected with a fixing ring, the outer side of the fixing ring is coaxially fixed with the inner chamber of the sleeve, the upper part of the sampling cotton swab is sequentially arranged through the inner hole of the fixing ring and the ejection spring, and the sampling cotton swab is slidingly connected with the fixing ring.

[0015] Further, the upper part of the sealing sleeve is hinged with the side wall of the sleeve through a fixing rod arranged along the side of the sleeve and radially penetrating the side wall of the sleeve at the lower end of the sleeve.

[0016] Further, the closure mechanism further includes a displacement part connected with the sealing sleeve; when the drive part moves downward, the drive part drives the sealing sleeve through the displacement part; the sealing sleeve is rotated to the outside of the opening at the lower end of the sleeve, and the lower end of the sleeve is in an open state; when the drive part is in the initial position, the sealing sleeve is pulled by the displacement part and is located at the opening position of the lower end of the sleeve, and the opening at the lower end of the sleeve is correspondingly arranged with the opening at the upper end of the sealing sleeve, and the inner chamber of the sleeve is in a sealed state.

[0017] Further, the displacement part includes a support rod penetrating the sealing sleeve in the radial direction and a drive rod arranged in parallel on the opposite side of the fixing rod; the two ends of the support rod are fixedly connected with the two ends of the fixing rod through two groups of first guide rods; the middle part of the drive rod is hinged with the drive disc through an up-and-down arranged connecting rod; the lower end of the connecting rod is rotationally connected with the drive rod; and the two ends of the fixing rod are fixedly connected with the two ends of the drive rod through two groups of second guide rods.

[0018] Further, the included angle of the first guide rod and the second guide rod towards the inner side is obtuse.

[0019] Further, the outer side of the sleeve is further provided with two groups of protruding parts, which are distributed in a butterfly shape, and the inner ends are fixed on the outer wall of the sleeve.

[0020] Further, the drive disc is provided with a displacement through groove on one side in the axial direction, a pull rod is horizontally arranged in the displacement through groove, the two ends of the pull rod are respectively fixed on the two side faces of the displacement through groove, and the upper end of the connecting rod is rotationally connected with the middle part of the pull rod.

[0021] The utility model discloses a sleeve is arranged outside sampling cotton swab, ensures the smooth progress of sampling cotton swab sampling, and also carries out physical isolation to the sample after sampling, through setting the ejection mechanism, the process of sampling cotton swab sampling is simplified, and the sampling efficiency is improved, through setting the sealing sleeve, makes sampling cotton swab before and after sampling all be in sealed state, further reduce the probability that the sample is polluted by external environment, through setting the displacement part, the difficulty of opening or closing the sealing sleeve is reduced, and the sampling efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic diagram of sealing sleeve in the utility model;

[0023] Figure 2 It is the structure schematic diagram of sleeve in the utility model;

[0024] Figure 3 It is the structure schematic diagram of drive disc in the utility model;

[0025] Figure 4 It is the structure schematic diagram of connecting rod in the utility model;

[0026] Figure 5 It is the structure schematic diagram of displacement through groove in the utility model.

[0027] In the drawing, 1, sleeve, 2, drive part, 3, sampling part, 4, clamping disc, 5, sampling cotton swab, 6, sampling cotton, 7, support plate, 8, drive disc, 9, drive plate, 10, ejection spring, 11, fixed ring, 12, sealing sleeve, 13, fixed rod, 14, first guide rod, 15, second guide rod, 16, support rod, 17, drive rod, 18, connecting rod, 19, protruding part, 20, displacement through groove, 21, pull rod. DETAILED DESCRIPTION

[0028] The utility model will be described in detail in connection with the drawings and examples:

[0029] Figures 1 to 5As shown, the utility model discloses a sampling device for medical detection, including the sleeve pipe 1 of two end openings, the sleeve pipe 1 upper end coaxially inserts the ejection mechanism, and the ejection mechanism includes the drive part 2 of the lower end insertion in the upper cavity of sleeve pipe 1 and the sampling part 3 of setting in the lower side of drive part 2, and drive part 2 and sampling part 3 are slidably connected with the inner chamber of sleeve pipe 1 respectively, the lower side of sleeve pipe 1 is connected with the closure mechanism, and the closure mechanism includes the sealing sleeve 12 of setting in sleeve pipe 1 lower side and opening upward, and the lower part of sealing sleeve 12 is hinged to sleeve pipe 1, in the working process, the sealing sleeve 12 is rotated to the outside of sleeve pipe 1 lower end opening, and drive part 2 is pressed to make it move downward, and drive part 2 extrudes the sampling part 3 of setting in the lower side, and the lower part of sampling part 3 moves downward and extends to sleeve pipe 1 lower end opening, and sampling operation is carried out.

[0030] After sampling is completed, reset drive part 2, and the sampling part 3 of setting in the lower side moves upward to the lower part of sampling part 3 into the inner chamber of sleeve pipe 1 under the traction of drive part 2, then, the sealing sleeve 12 is rotated to the inside of sleeve pipe 1 lower end opening, makes sleeve pipe 1 lower end be in sealed state, in the embodiment, sampling part 3 includes the clamping disc 4 of setting in the inner chamber of sleeve pipe 1 and the sampling cotton swab 5 of coaxially inserting in the lower end of clamping disc 4, the upper part of sampling cotton swab 5 is detachably connected with clamping disc 4, and the lower part is provided with sampling cotton 6, in order to make the upper part of sleeve pipe 1 inner chamber seal, and clamping disc 4 is slidably connected with the size adaptation of sleeve pipe 1 inner chamber, and the upper end of clamping disc 4 is evenly provided with a plurality of support plates 7 along the circumference, in the embodiment, drive part 2 includes the drive disc 8 of setting above sleeve pipe 1 and a plurality of drive plates 9 of evenly setting along the circumference of drive disc 8 lower end face, and the lower end of each drive plate 9 is correspondingly provided with one support plate 7, in the working process, drive disc 8 is pressed, and the drive plate 9 of setting in the lower end face of drive disc 8 respectively drives the support plate 7 of correspondingly setting below, makes support plate 7 move downward and simultaneously push the clamping disc 4 connected with support plate 7, and the sampling cotton swab 5 of inserting in the lower end of clamping disc 4 moves downward, until the sampling cotton 6 of setting in the lower part of sampling cotton swab 5 extends to the outside of sleeve pipe 1.

[0031] In order to make drive part 2 in natural state (no external force drive), clamping disc 4 can overcome gravity and move upward, return to initial position, in the embodiment, the lower side of clamping disc 4 is also provided with the ejection spring 10, the upper end of ejection spring 10 is connected with clamping disc 4, the lower end is connected with fixed ring 11, the outer side of fixed ring 11 is coaxially fixed with the inner chamber of sleeve pipe 1, and the upper part of sampling cotton swab 5 is sequentially arranged in fixed ring 11 inner hole and ejection spring 10, and sampling cotton swab 5 is slidably connected with fixed ring 11;

[0032] The utility model discloses, sealing sleeve 12 upper portion is through being arranged in the sleeve pipe 1 lower extreme, along sleeve pipe 1 one side radial wear and tear sleeve pipe 1 side wall's fixed rod 13 with sleeve pipe 1 side wall articulates, in the working process, sealing sleeve 12 with fixed rod 13 as fulcrum, to sleeve pipe 1 outside rotation, make sealing sleeve 12 rotate to sleeve pipe 1 lower extreme opening place outside, avoided sampling cotton swab 5 when moving downward with sealing sleeve 12 interference, in order to simplify sampling operation, sampling cotton swab 5 when moving downward, make drive part 2 drive sealing sleeve 12 that sets up sleeve pipe 1 lower extreme opening place simultaneously, gradually move to sleeve pipe 1 lower extreme opening place outside, in this embodiment, closed mechanism still includes with sealing sleeve 12 connection's displacement part, when drive part 2 moves downward, drive part 2 through displacement part drive sealing sleeve 12, sealing sleeve 12 rotates to sleeve pipe 1 lower extreme opening place outside, and sleeve pipe 1 lower extreme is in the opening state, when drive part 2 is in initial position, sealing sleeve 12 is under the traction of displacement part, is in sleeve pipe 1 lower extreme opening position and sleeve pipe 1 lower extreme opening place with sealing sleeve 12 upper end opening place corresponding setting, and sleeve pipe 1 inner chamber is in sealed state.

[0033] The displacement part includes a support rod 16 penetrating the sealing sleeve 12 in the radial direction and a driving rod 17 arranged in parallel on the opposite side of the fixed rod 13, both ends of the support rod 16 are fixedly connected to both ends of the fixed rod 13 through two groups of first guide rods 14, the middle part of the driving rod 17 is hingedly connected to the driving disc 8 through the up and down arranged connecting rod 18, the lower end of the connecting rod 18 is rotationally connected to the driving rod 17, both ends of the fixed rod 13 are fixedly connected to both ends of the driving rod 17 through two groups of second guide rods 15; in the working process, the driving disc 8 moves downward under the action of external force, the connecting rod 18 hingedly connected to the driving disc 8 drives the driving rod 17 to move downward, and the support rod 16 rotates outward of the sleeve 1 with the fixed rod 13 as the fulcrum; that is, the sealing sleeve 12 connected to the support rod 16 rotates outward of the sleeve pipe 1; while the sealing sleeve 12 rotates outward, the driving disc 8 drives the clamping disc 4 to move downward, the clamping disc 4 moves downward against the elastic force of the ejection spring 10 and drives the sampling cotton swab 5 inserted on the clamping disc 4 to move downward, when the lower part of the sampling cotton swab 5 extends to below the opening of the sleeve pipe 1, the sealing sleeve 12 is completely moved to the outside of the opening of the sleeve pipe 1; after the sampling cotton swab 5 completes sampling, the driving disc 8 is not subjected to downward pressure from the outside, at this time, the ejection spring 10 pushes the clamping disc 4 to move upward, the clamping disc 4 pushes the driving disc 8 to return to the initial position, the connecting rod 18 hingedly connected to the lower end of the driving disc 8 pulls the driving rod 17 to move upward, and the support rod 16 connected to the driving rod 17 rotates inward of the sleeve pipe 1 with the fixed rod 13 as the fulcrum; that is, the sealing sleeve 12 connected to the support rod 16 rotates inward of the sleeve pipe 1, so that the sleeve pipe 1 is sealed.

[0034] In order to increase the opening range of the sealing sleeve 12 outwardly, the included angle of the first guide rod 14 and the second guide rod 15 inwardly is obtuse in the embodiment; in order to facilitate one-handed operation, two groups of protruding parts 19 are further arranged on the outer side of the sleeve 1, the two groups of protruding parts 19 are butterfly-shaped distribution, and the inner end is fixed on the outer wall of the sleeve 1; in order to prevent interference at the hinge joint of the connecting rod 18 and the driving disc 8 during sampling, a clearance through slot 20 is axially arranged on one side of the driving disc 8, a pull rod 21 is horizontally arranged in the clearance through slot 20, the two ends of the pull rod 21 are respectively fixed on the two side faces of the clearance through slot 20, and the upper end of the connecting rod 18 is rotationally connected with the middle part of the pull rod 21.

Claims

1. A sampling device for medical testing, characterized by: The sleeve includes two open ends; the upper end of the sleeve is coaxially inserted with an ejection mechanism, the ejection mechanism includes a driving part inserted into the inner cavity of the sleeve and a sampling part arranged on the lower side of the driving part, the driving part and the sampling part are respectively in sliding connection with the inner cavity of the sleeve; the lower side of the sleeve is connected with a closing mechanism, the closing mechanism includes a sealing sleeve coaxially arranged on the lower side of the sleeve and opening upward, the upper part of the sealing sleeve is hinged to the lower part of the sleeve.

2. The sampling device for medical testing according to claim 1, characterized in that: The sampling part includes a clamping disc arranged in the inner cavity of the sleeve and a sampling cotton swab coaxially inserted into the lower end of the clamping disc; the upper part of the sampling cotton swab is detachably connected with the clamping disc, the lower part is provided with a sampling cotton, the clamping disc is in size adaptation and sliding connection with the inner cavity of the sleeve, and the upper end of the clamping disc is uniformly provided with a plurality of support plates in the circumferential direction.

3. The sampling device for medical testing according to claim 2, characterized in that: The driving part includes a driving disc arranged above the sleeve and a plurality of driving plates uniformly arranged along the circumferential direction of the lower end surface of the driving disc, and the lower end of each driving plate is correspondingly provided with a support plate.

4. The sampling device for medical testing according to claim 2, characterized in that: The lower side of the clamping disc is further provided with an ejection spring, the upper end of the ejection spring is connected with the clamping disc, the lower end is connected with a fixed ring, the outer side of the fixed ring is coaxially fixed with the inner cavity of the sleeve, the upper part of the sampling cotton swab is sequentially inserted into the inner hole of the fixed ring and the ejection spring, and the sampling cotton swab is in sliding connection with the fixed ring.

5. The sampling device for medical testing according to claim 3, characterized in that: The upper part of the sealing sleeve is hinged to the sleeve side wall through the fixed rod arranged on the lower end of the sleeve and radially penetrating the sleeve side wall along one side of the sleeve.

6. The sampling device for medical testing according to claim 5, characterized in that: The closing mechanism further includes a displacement part connected with the sealing sleeve, when the driving part moves downward, the driving part drives the sealing sleeve through the displacement part, the sealing sleeve rotates to the outside of the opening at the lower end of the sleeve, and the lower end of the sleeve is in an open state; when the driving part is in the initial position, the sealing sleeve is in the opening position at the lower end of the sleeve under the traction of the displacement part, and the opening at the lower end of the sleeve is correspondingly arranged with the opening at the upper end of the sealing sleeve, and the inner cavity of the sleeve is in a sealed state.

7. The sampling device for medical testing according to claim 6, characterized in that: The displacement part includes a support rod penetrating the sealing sleeve in the radial direction and a driving rod arranged in parallel on the opposite side of the fixed rod, the two ends of the support rod are fixedly connected with the two ends of the fixed rod through two groups of first guide rods, the middle part of the driving rod is hinged to the driving disc through the up and down arranged connecting rod, the lower end of the connecting rod is rotationally connected with the driving rod, and the two ends of the fixed rod are fixedly connected with the two ends of the driving rod through two groups of second guide rods.

8. The sampling device for medical testing according to claim 7, characterized in that: The included angle of the first guide rod and the second guide rod towards the inner side is obtuse.

9. The sampling device for medical testing according to claim 1, characterized in that: The outer side of the sleeve is further provided with two groups of protruding parts, the two groups of protruding parts are butterfly-shaped distributed, and the inner ends are fixed on the outer wall of the sleeve.

10. The sampling device for medical testing according to claim 7, characterized in that: The driving disc is provided with a clearance groove on one side in the axial direction, a pull rod is horizontally arranged in the clearance groove, the two ends of the pull rod are fixed on the two side surfaces of the clearance groove, and the upper end of the connecting rod is rotationally connected with the middle part of the pull rod.

Images