CN210130877U

CN210130877U - Sampling device for oral mucosa

Info

Publication number: CN210130877U
Application number: CN201920558519.XU
Authority: CN
Inventors: 刘健峰; 叶艳芳
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-03-10
Anticipated expiration: 2029-04-23

Abstract

A sampling device for oral mucosa relates to the field of medical instruments, and comprises a tube body, wherein a connecting shaft penetrates through the tube body, one end of the connecting shaft is detachably connected with a sampling head, one end of the tube body is provided with a fixed cavity, a gear, a front rack and a rear rack are arranged in the fixed cavity, the gear is meshed with the front rack and the rear rack in the fixed cavity, the connecting shaft extends into the fixed cavity and is connected with the gear, one end of the tube body, which is far away from the sampling head, is respectively provided with a front handle and a rear handle, one end of the front rack is connected with the front handle, one end of the rear rack is connected with the rear handle, the front handle and the rear handle are connected with the side wall of the tube body through telescopic rods, a first spring is sleeved on each telescopic rod, the sampling device realizes sampling work of a sampling scraper through the matching of the handle, the gear, the front rack, the rear rack, the telescopic rods, the first spring, the efficiency of sampling is improved.

Description

Sampling device for oral mucosa

Technical Field

The utility model relates to the field of medical equipment, concretely relates to a sampling device for oral mucosa.

Background

At present, a sampling rod is mostly used to sampling device for oral mucosa cell, and the sampling rod comprises a long and thin cylinder and the sponge head of cover setting in this cylinder one end, when carrying out oral mucosa sample, and the manual work uses the sampling rod to make a round trip gently scrape on the oral cavity inner wall and collect the sample, then takes off the head of sampling rod, puts into the interior save sample of sampling tube, and the collection process need carry out scraping many times to the oral cavity inner wall and rub, and the process is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

To above-mentioned content, need carry out many times to the oral cavity inner wall and scratch for the sample of solving current oral cavity mucous membrane cell, the comparatively trouble problem of process, the utility model provides a sampling device for oral cavity mucous membrane, the device passes through the cooperation of handle, gear, preceding rack, back rack, telescopic link, first spring and second spring, realizes the sampling work of sample doctor-bar to can realize reverse sample through first spring and second spring, improve the efficiency of sampling.

The technical scheme is as follows: comprises a tube body, a connecting shaft penetrates through the tube body and is assembled in the tube body through a bearing, so that the connecting shaft can rotate in the tube body, one end of the connecting shaft is detachably connected with a sampling head, one end of the tube body, which is far away from the sampling head, is provided with a fixed cavity, a gear, a front rack and a rear rack are arranged in the fixed cavity, the gear is meshed with the front rack and the rear rack in the fixed cavity, the connecting shaft extends into the fixed cavity and is connected with the gear, one end of the tube body, which is far away from the sampling head, is respectively provided with a front handle and a rear handle, one end of the front rack far away from the gear is connected with the front handle, one end of the rear rack far away from the gear is connected with the rear handle, the front handle and the rear handle are connected with the side wall of the tube body through telescopic rods, and first springs are sleeved on the telescopic rods.

Preferably, the fixed cavity can ensure that the front rack and the rear rack run smoothly and are meshed with the gear.

Preferably, a second spring is sleeved on the coupling shaft and located in the tube body, one end, close to the sampling head, of the second spring is fixed on the coupling shaft, so that the end of the second spring can rotate along with the coupling shaft, and the other end of the second spring is fixed on the tube body, so that the end of the second spring does not rotate along with the coupling shaft.

Preferably, the front handle and the rear handle are bonded with rubber sleeves.

Preferably, the sampling head includes the connecting rod and is located the arc piece of connecting rod one end, the cover is equipped with the sample doctor-bar on the arc piece, arc piece and sample doctor-bar adopt soft rubber material to make.

Preferably, a slot is formed in one end, used for connecting the sampling head, of the connecting shaft, and the connecting rod is inserted into the slot in an interference fit manner.

Preferably, a plurality of limiting structures for preventing the connecting rod from rotating in the slot are arranged in the slot.

Preferably, the limiting structure comprises a limiting groove in the slot and a limiting strip which is positioned outside the connecting rod and matched with the limiting groove in size.

Preferably, the telescopic rod comprises a plurality of sleeves which are sequentially sleeved, the pipe diameters of the sleeves are gradually reduced, and the sleeve with a small pipe diameter is sleeved in the sleeve with a large pipe diameter and can slide in the sleeve.

Preferably, the telescopic rod is arranged in parallel with the front rack and the rear rack.

The utility model provides a sampling device for oral mucosa compares beneficial effect with prior art and is:

1 handheld preceding, back handle, put into the oral cavity with the arc piece, press close to the oral cavity inner wall, hold preceding, back handle and make preceding, back handle and coincide from top to bottom, make the compression of first spring, the gear is through with preceding rack, back rack meshing, thereby make preceding rack, back rack drive gear revolve, gear revolve drives the coupling shaft and rotates, the coupling shaft rotates and drives connecting rod and arc piece and rotate, the arc piece rotates and drives the sample doctor-bar and rotate, carry out the oral mucosa sample, simultaneously because the coupling shaft rotates and makes the second spring produces the revolving force, after the sample, the hand lax makes preceding, back handle keep away from top to bottom, first spring and second spring begin to reset, make preceding rack, back rack drive gear contrarotation, realize the sample doctor-bar and reversely scrape the oral cavity inner wall, so relapse, realize the sampling work to the oral mucosa. The utility model realizes the sampling work of the sampling scraping sheet through the matching of the handle, the gear, the front rack, the rear rack, the telescopic rod, the first spring and the second spring, and can realize reverse sampling through the first spring and the second spring, thereby improving the sampling efficiency;

2 the sampling head can be detachably connected and can be replaced at will, thereby preventing cross infection and improving the safety performance;

3 the sampling scraping plate and the arc-shaped block are both soft rubber, so that the oral cavity can be effectively protected from being damaged.

Drawings

Fig. 1 is a front view of the utility model.

Fig. 2 is a vertical sectional view of the utility model.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is a horizontal sectional view of the middle fixing cavity of the utility model.

In the figure: the device comprises a pipe body 1, a coupling shaft 2, a bearing 3, a sampling head 4, a fixing cavity 5, a gear 6, a front rack 7, a rear rack 8, a front handle 9, a rear handle 10, a telescopic rod 11, a first spring 12, a rubber sleeve 13, a connecting rod 14, an arc-shaped block 15, a sampling scraping piece 16, a slot 17, a limiting groove 18, a limiting strip 19, a sleeve 20 and a second spring 21.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

The first embodiment is as shown in fig. 1-4, the sampling device for oral mucosa comprises a tube body 1, a coupling shaft 2 penetrates through the tube body 1, and the coupling shaft 2 is assembled in the tube body 1 through a bearing 3, so that the coupling shaft 2 can rotate in the tube body 1. The pipe body 1 is made of stainless steel, the two ends of the pipe body 1 are respectively provided with the bearings 3, namely the outer edges of the bearings 3 can be welded on the pipe body 1, and the inner edges of the bearings 3 are in key connection with the inner edge of the connecting shaft 2.

The one end detachable of coupling shaft 2 is connected with sampling head 4, and the one end that sampling head 4 was kept away from to body 1 is equipped with fixed chamber 5, and wherein, the terminal surface that fixed chamber 5 is close to body 1 has the opening, and fixed chamber 5 sets up with body 1 integrated into one piece. As shown in fig. 5, a gear 6, a front rack 7 and a rear rack 8 are arranged in the fixed cavity 5, the gear 6 is meshed with the front rack 7 and the rear rack 8 in the fixed cavity 5, and the connecting shaft 2 extends into the fixed cavity 5 and is connected with the gear 6, i.e. the connecting shaft 2 is connected with the inner edge of the gear 6 by a key.

Wherein, the fixed cavity 5 can ensure that the front rack 7 and the rear rack 8 run smoothly and are meshed with the gear 6.

The one end that the sampling head 4 was kept away from to body 1 is provided with front handle 9 and back handle 10 respectively, and the one end that gear 6 was kept away from to preceding rack 7 is connected with preceding handle 9, and the one end that gear 6 was kept away from to back rack 8 is connected with back handle 10, and wherein, preceding rack 7 can adopt welded fastening to be connected with preceding handle 9, and back rack 8 can adopt welded fastening to be connected with back handle 10.

The front handle 9 and the rear handle 10 are bonded with rubber sleeves 13, wherein the rubber sleeves 13 are bonded on the front handle 9 and the rear handle 10 through strong glue, and the rubber sleeves 13 are arranged to increase the comfort of fingers in the sampling process.

Wherein, preceding handle 9 and back handle 10 are connected with 1 lateral wall of body through telescopic link 11, and the cover is equipped with first spring 12 on the telescopic link 11, and the one end of first spring 12 adopts welded fastening to be connected with preceding handle 9, back handle 10, and the other end of first spring 12 adopts welded fastening to be connected with 1 lateral wall of body.

Wherein, telescopic link 11 includes a plurality of sleeve pipes 20 that cup joint in proper order, and the pipe diameter of a plurality of sleeve pipes 20 reduces gradually, and the sleeve pipe 20 of little pipe diameter cup joints in the sleeve pipe 20 of big pipe diameter and can slide at its inside, and telescopic link 11 and preceding rack 7, the setting of back rack 8 looks parallel, and the one end and preceding handle 9 of telescopic link 11, back handle 10 adopt welded fastening to be connected, and the other end and the 1 lateral wall of body of telescopic link 11 adopt welded fastening to be connected.

In the second embodiment, on the basis of the above embodiments, further, the coupling shaft 2 is sleeved with a second spring 21, the second spring 21 is located in the tube body 1, and one end of the second spring 21 close to the sampling head 4 is welded and fixed on the coupling shaft 2, so that the end of the second spring 21 can rotate along with the coupling shaft 2. The other end of the second spring 21 is welded and fixed on the tube body 1, so that the end of the second spring 21 does not rotate along with the connecting shaft 2. The arrangement makes the second spring generate rotating force when the coupling shaft rotates, and increases the power of the reverse rotation of the gear.

Third embodiment, on the basis of the above-mentioned embodiment, further, sampling head 4 includes connecting rod 14 and the arc piece 15 that is located connecting rod 14 one end, and the cover is equipped with sample doctor-bar 16 on the arc piece 15, and arc piece 15 and sample doctor-bar 16 adopt soft rubber material to make. The arc-shaped block 15 and the sampling scraper 16 can be integrally formed. The arc blocks 15 and the connecting rod 14 are fixed together by strong glue.

One end of the coupling shaft 2, which is used for connecting the sampling head 4, is provided with a slot 17, and the connecting rod 14 is inserted in the slot 17 in an interference fit manner.

The slot 17 is provided with a plurality of limit structures for preventing the connecting rod 14 from rotating in the slot 17.

The limiting structure comprises a limiting groove 18 positioned in the slot 17 and a limiting strip 19 positioned on the outer side of the connecting rod 14 and matched with the limiting groove 18 in size, wherein the limiting strip 19 and the limiting groove 18 are integrally formed.

The front handle and the rear handle are held by hands, the arc block is placed in an oral cavity and is close to the inner wall of the oral cavity, the front handle and the rear handle are held by hands to enable the front handle and the rear handle to be matched up and down, the first spring is compressed, the gear is meshed with the front rack and the rear rack, so that the front rack and the rear rack drive the gear to rotate, the gear rotates to drive the connecting rod and the arc block to rotate, the arc block rotates to drive the sampling scraper to rotate, oral mucosa sampling is carried out, meanwhile, the second spring generates rotating force due to the rotation of the connecting shaft, after sampling is finished, the front handle and the rear handle are loosened by hands to be kept away from up and down, the first spring and the second spring start to reset, the front rack and the rear rack drive the gear to reversely rotate, the sampling scraper is used for reversely scraping the inner wall of the oral cavity, and the sampling work on the oral. The utility model discloses a cooperation of handle, gear, preceding rack, back rack, telescopic link, first spring and second spring realizes the sampling work of sample doctor-bar to can realize reverse sample through first spring and second spring, improve the efficiency of sampling.

While the present invention has been particularly shown and described with reference to the preferred embodiments thereof, and many methods and approaches to the practice thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. A sampling device for oral mucosa, characterized by, including body (1), coupling shaft (2) has run through in body (1), and coupling shaft (2) pass through bearing (3) assembly in body (1), make coupling shaft (2) can be in body (1) internal rotation, coupling shaft (2) one end detachable is connected with sampling head (4), the one end that body (1) kept away from sampling head (4) is equipped with fixed chamber (5), be equipped with gear (6), preceding rack (7) and back rack (8) in fixed chamber (5), gear (6) with preceding rack (7), back rack (8) mesh in fixed chamber (5), coupling shaft (2) extend to fixed chamber (5) inside and with gear (6) are connected, the one end that body (1) kept away from sampling head (4) is provided with preceding handle (9) and back handle (10) respectively, preceding rack (7) are kept away from the one end of gear (6) with front handle (9) are connected, back rack (8) are kept away from the one end of gear (6) with back handle (10) are connected, preceding handle (9) and back handle (10) pass through telescopic link (11) with body (1) lateral wall is connected, the cover is equipped with first spring (12) on telescopic link (11).

2. The device for sampling oral mucosa according to claim 1, wherein the front rack (7) and the rear rack (8) can be ensured to run smoothly in the fixed cavity (5) and are meshed with the gear (6).

3. The sampling device for oral mucosa according to claim 1, wherein the coupling shaft (2) is sleeved with a second spring (21), the second spring (21) is positioned in the tube body (1), one end of the second spring (21) close to the sampling head (4) is fixed on the coupling shaft (2) so that the end of the second spring (21) can rotate along with the coupling shaft (2), and the other end of the second spring (21) is fixed on the tube body (1) so that the end of the second spring (21) does not rotate along with the coupling shaft (2).

4. The sampling device for oral mucosa according to claim 1, wherein the front handle (9) and the rear handle (10) are bonded with rubber sleeves (13).

5. The sampling device for the oral mucosa according to claim 1, wherein the sampling head (4) comprises a connecting rod (14) and an arc block (15) positioned at one end of the connecting rod (14), a sampling scraping blade (16) is sleeved on the arc block (15), and the arc block (15) and the sampling scraping blade (16) are made of soft rubber.

6. The sampling device for the oral mucosa according to claim 5, wherein a slot (17) is opened at one end of the coupling shaft (2) for connecting the sampling head (4), and the connecting rod (14) is inserted into the slot (17) by interference fit.

7. The sampling device for oral mucosa according to claim 6, wherein a plurality of limit structures for preventing the connecting rod (14) from rotating in the slot (17) are arranged in the slot (17).

8. The sampling device for oral mucosa according to claim 7, wherein the limiting structure comprises a limiting groove (18) located in the slot (17), and a limiting strip (19) located outside the connecting rod (14) and matched with the size of the limiting groove (18).

9. The sampling device for oral mucosa according to claim 1, wherein the telescopic rod (11) comprises a plurality of sleeves (20) which are sleeved in sequence, the pipe diameters of the plurality of sleeves (20) are gradually reduced, and the sleeve (20) with a small pipe diameter is sleeved in the sleeve (20) with a large pipe diameter and can slide in the sleeve.

10. The sampling device for oral mucosa according to claim 1, wherein the telescopic rod (11) is arranged in parallel with the front rack (7) and the rear rack (8).