CN211049440U

CN211049440U - Formula of sidespin cervical sample thief

Info

Publication number: CN211049440U
Application number: CN201920906711.3U
Authority: CN
Inventors: 王小平
Original assignee: Shenzhen Medico Technology Co ltd
Current assignee: Shenzhen Medico Technology Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-07-21
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a side-rotating cervical sampler, which comprises an insertion tube and a power component, wherein a sampling component is arranged in an inner cavity formed by the insertion tube and the power component, the sampling component comprises a sampling rod, the first end of the sampling rod is connected with the power component, the second end of the sampling rod is connected with a sampling head, and the insertion tube is provided with an opening communicated with the outside and the inner cavity so that the sampling head can be stretched and retracted in the inner cavity and the outside in a reciprocating manner; the power part include with insert tube connects shell, swiveling wheel, gear and the rack into an organic whole, the rack sets up in the shell along sampling rod axial direction, the one end of this rack with the first end of sampling rod is connected, gear and rack toothing, swiveling wheel and the coaxial fixed connection of gear are in the same place, the swiveling wheel part exposes the shell outside. In this embodiment, through rotating the swiveling wheel control sampling rod is flexible in axial direction for it is more convenient to operate.

Description

Formula of sidespin cervical sample thief

Technical Field

The utility model belongs to the technical field of the sample thief technique and specifically relates to a formula of sidespin cervix sample thief.

Background

When a doctor examines diseases such as gynecological inflammation and cervical cancer of a female patient, a cervical sampler is usually needed. At present, the sampling of the exfoliated cervical cells is carried out in a treatment room of a medical health institution hospital and a physical examination center, under the help of doctors, the exfoliated cervical cells/secretions of the cervical are inserted into a vagina through a vaginal dilator and dilated, and the exposed cervical is collected by using a scraping blade or a cervical brush. The detection method generally needs to be carried out in a hospital or a detection center processing room, and the doctor and other professionals collect samples, so that the doctor has large workload and limited patients are detected and sampled every day, the outpatient examination patients are blocked, and the cervical cancer screening is seriously hindered.

For example, the patent number Z L201520829565.0, namely a technical disclosure of the cervical sampler, discloses a cervical sampler, which comprises a hollow handle and an insertion tube, wherein the hollow handle is communicated with the inner cavity of the insertion tube, the free end of the insertion tube is open, the cervical sampler further comprises a sampling part and a power part, the power part is connected with the sampling part, the power part is used for driving the movement of the sampling part, and the sampling part is movably sleeved in the hollow handle and the inner cavity of the insertion tube.

Therefore, the above technical problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a lateral rotation type cervical sampler, which aims to provide a new structure and realize the expansion and contraction of the sampling head of the lateral rotation type cervical sampler.

In order to solve the technical problem, the utility model provides a basic technical scheme does:

a side-rotating cervical sampler comprises an insertion tube and a power part, wherein a sampling part is arranged in an inner cavity formed by the insertion tube and the power part, the sampling part comprises a sampling rod, the first end of the sampling rod is connected with the power part, the second end of the sampling rod is connected with a sampling head, and the insertion tube is provided with an opening communicated with the outside and the inner cavity so that the sampling head can be stretched and retracted in the inner cavity and the outside in a reciprocating manner;

the power part include with insert tube connects shell, swiveling wheel, gear and the rack into an organic whole, the rack sets up in the shell along sampling rod axial direction, the one end of this rack with the first end of sampling rod is connected, gear and rack toothing, swiveling wheel and the coaxial fixed connection of gear are in the same place, the swiveling wheel part exposes the shell outside.

Furthermore, one end of the rack close to the sampling rod is provided with a connecting plate which is arranged on the same side as the gear, and the connecting plate is detachably connected with the sampling rod.

Furthermore, the connecting plate is provided with a slot matched with the first end of the sampling rod, and the first end of the sampling rod is inserted into the slot.

Furthermore, the sampling rod is provided with a sliding ring on the peripheral side, and the sliding ring is in sliding contact fit with the inner cavity side wall of the insertion tube.

Furthermore, the insertion pipe is connected with the shell in an inserting mode.

Furthermore, the bottom of the rack is provided with a clamping groove arranged along the axial direction, and the clamping groove is connected with a guide rail fixed on the inner wall of the shell in a matching way.

Furthermore, the section of the clamping groove is in a fan shape with a central angle larger than 180 degrees.

Furthermore, the inner wall of the shell is provided with a first limiting block and a second limiting block which are arranged at intervals along the axial direction, and the first limiting block and the second limiting block are positioned on two sides of the rack and used for limiting the displacement of the rack.

The utility model has the advantages that:

the technical scheme of the utility model is that the lateral rotation type cervix sampler comprises an insertion tube and a power component, wherein a sampling component is arranged in an inner cavity formed by the insertion tube and the power component, the sampling component comprises a sampling rod, the first end of the sampling rod is connected with the power component, the second end of the sampling rod is connected with a sampling head, and the insertion tube is provided with an opening communicated with the outside and an inner cavity so that the sampling head can be stretched and retracted in the inner cavity and the outside in a reciprocating manner; the power part include with insert tube connects shell, swiveling wheel, gear and the rack into an organic whole, the rack sets up in the shell along sampling rod axial direction, the one end of this rack with the first end of sampling rod is connected, gear and rack toothing, swiveling wheel and the coaxial fixed connection of gear are in the same place, the swiveling wheel part exposes the shell outside. In this embodiment, the swiveling wheel that exposes in the shell side through the rotation drives gear revolve, and the gear revolve process drives the rack and slides, and this rack slides the process and drives the sampling rod and stretch out and draw back in axial direction, and this technique has adopted the formula of sidespin to realize the flexible of sampling rod for it is more convenient to operate.

Drawings

Fig. 1 is a schematic view of the lateral-rotation cervical sampler of the present invention;

FIG. 2 is a cross-sectional view of a lateral-rotation cervical sampler;

fig. 3 is a schematic structural diagram of a sampling rod and a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 3, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

Referring to fig. 1 and 2, the lateral rotation type cervical sampler of the present embodiment includes an insertion tube 1 and a power component 2, a sampling component 3 is disposed in an inner cavity formed by the insertion tube 1 and the power component 2, the sampling component 3 includes a sampling rod 31, a first end of the sampling rod 31 is connected to the power component 2, a second end is connected to a sampling head 32, the insertion tube 1 has an opening 11 communicating with the outside and the inner cavity for the sampling head 32 to extend and retract back and forth between the inner cavity and the outside; the power part 2 comprises a shell 21, a rotating wheel 22, a gear 23 and a rack 24 which are connected with the insertion tube 1 into a whole, the rack 24 is arranged in the shell 21 along the axial direction of the sampling rod 31, one end of the rack 24 is connected with the first end of the sampling rod 31, the gear 23 is meshed with the rack 24, the rotating wheel 22 and the gear 23 are coaxially and fixedly connected together, and the rotating wheel 22 is partially exposed outside the shell 21.

In this scheme, shell 21 can be designed for different shapes according to the demand, preferably adopts square shell or cylindrical shell. In order to better hold the lateral-rotation cervical sampler, a finger-like structure may be provided on the circumferential side of the housing 21. In addition, the insertion tube 1 and the housing 21 are connected by plugging.

It should be understood that the gear 23 is disposed coaxially with the rotating wheel 22 in the present embodiment, and when the rotating wheel 22 is rotated, the gear 23 is driven to rotate, so as to ensure that the two have the same rotation angular velocity. The gear 23 is disposed inside the housing 21, and the rotary wheel 22 is mostly disposed inside the housing 21, and only partially exposed at the side of the housing 21, and the axes of the two are disposed inside the housing 21 and rotatably connected to the housing 21. For easier installation, the housing 21 may be formed by buckling left and right parts.

In order to avoid the over-sizing of the rotator 22, the rotator 22 is designed to have a fan-shaped structure in the present embodiment.

In order to realize the connection between the rack 24 and the sampling rod 31, one end of the rack 24 close to the sampling rod 31 is provided with a connecting plate 25 arranged on the same side as the gear 23, and the connecting plate 25 is detachably connected with the sampling rod 31. The detachable connection of the connection board 25 and the sampling rod 31 can be various, and as shown in fig. 3, the connection board 25 has a slot 251 matched with the first end 312 of the sampling rod 31, and the first end of the sampling rod 31 is plugged in the slot 251. The sampling rod 31 is matched in shape to the socket 251, preferably in the shape of a cross, and is implemented by interference fit when assembled. In addition, the detachable fastening can also be realized in other ways, for example by screwing.

In this embodiment, in order to ensure the stability of the sliding process of the rack 24, a locking groove 241 is disposed at the bottom of the rack 24 along the axial direction, and the locking groove 241 is connected to the guide rail 211 fixed on the inner wall of the housing 21 in a matching manner. Therefore, the rack 24 can slide along the direction of the guide rail 211 in the sliding process, and the displacement is avoided in the moving process. Specifically, the cross section of the locking groove 241 is a sector with a central angle larger than 180 °, and the cross section corresponding to the guide rail 211 is also a sector with a central angle larger than 180 °.

Meanwhile, the distance that the rack 24 slides back and forth is limited, and the inner wall of the housing 21 has a first stopper 212 and a second stopper 213 that are arranged at intervals in the axial direction, and the first stopper 212 and the second stopper 213 are located on both sides of the rack 24 for limiting the displacement of the rack 24. When the rack 24 moves to meet the first stopper 212 and the second stopper 213, the rack is restricted from further movement.

Also in order to ensure the stability of the sampling rod 31 during sliding, the sampling rod 31 has a slip ring 311 on the circumferential side, and the slip ring 311 is in sliding contact with the inner cavity side wall of the insertion tube 1. When the sampling rod 31 slides, the slide ring 311 slides along the inner wall of the insertion tube 1, ensuring stability.

When the lateral rotation type cervical sampler is used, the lateral rotation type cervical sampler is held by a hand, the rotating wheel 22 rotates, the rotating process of the rotating wheel 22 drives the gear 23 to rotate, the gear 23 rotates to drive the rack 24 to move along the axial direction due to the meshing of the gear 23 and the rack, the sampling rod 31 is driven to move along the axial direction in the moving process of the rack 24, and finally the sampling head 32 stretches out and draws back at the opening 11.

This scheme has realized the drive to sampling rod 31 owing to adopted the combination cooperation of gear, rack and swiveling wheel, its simple structure, and convenient operation, convenient user demand that has satisfied the user.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. A side-rotating cervical sampler comprises an insertion tube (1) and a power part (2), wherein a sampling part (3) is arranged in an inner cavity formed by the insertion tube (1) and the power part (2), the sampling part (3) comprises a sampling rod (31), the first end of the sampling rod (31) is connected with the power part (2), the second end of the sampling rod is connected with a sampling head (32), and the insertion tube (1) is provided with an opening (11) communicated with the outside and an inner cavity so that the sampling head (32) can be stretched in the inner cavity and the outside in a reciprocating manner; the method is characterized in that:

power pack (2) include with insert tube (1) connect into an organic whole shell (21), swiveling wheel (22), gear (23) and rack (24), rack (24) set up in shell (21) along sampling rod (31) axial direction, the one end of this rack (24) with the first end of sampling rod (31) is connected, gear (23) and rack (24) meshing, swiveling wheel (22) and gear (23) coaxial fixed connection together, swiveling wheel (22) part exposes the shell (21) outside.

2. The lateral-rotation cervical sampler of claim 1, wherein:

one end of the rack (24) close to the sampling rod (31) is provided with a connecting plate (25) arranged on the same side as the gear (23), and the connecting plate (25) is detachably connected with the sampling rod (31).

3. A lateral-rotation cervical sampler as claimed in claim 2, wherein:

the connecting plate (25) is provided with a slot (251) matched with the first end of the sampling rod (31), and the first end of the sampling rod (31) is plugged in the slot (251).

4. The lateral-rotation cervical sampler of claim 1, wherein:

the periphery of the sampling rod (31) is provided with a slip ring (311), and the slip ring (311) is in sliding contact fit with the inner cavity side wall of the insertion tube (1).

5. The lateral-rotation cervical sampler of claim 1, wherein:

the insertion tube (1) is connected with the shell (21) in an inserting mode.

6. The lateral-rotation cervical sampler of claim 1, wherein:

the bottom of the rack (24) is provided with a clamping groove (241) arranged along the axial direction, and the clamping groove (241) is matched and connected with a guide rail (211) fixed on the inner wall of the shell (21).

7. The lateral-rotation cervical sampler of claim 6, wherein:

the section of the clamping groove (241) is in a fan shape with a central angle larger than 180 degrees.

8. The lateral-rotation cervical sampler of claim 1, wherein:

the inner wall of the shell (21) is provided with a first limiting block (212) and a second limiting block (213) which are arranged at intervals along the axial direction, and the first limiting block (212) and the second limiting block (213) are positioned at two sides of the rack (24) and used for limiting the displacement of the rack (24).