CN111588414A

CN111588414A - Fork spacing avoiding multi-head sampling rod

Info

Publication number: CN111588414A
Application number: CN202010440490.2A
Authority: CN
Inventors: 梁美玉; 苏诗琴; 李运福; 徐素玲
Original assignee: Zhuhai Peoples Hospital
Current assignee: Zhuhai Peoples Hospital
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-08-28
Anticipated expiration: 2040-05-22
Also published as: CN111588414B

Abstract

The invention discloses a fork-separation clearance-avoiding multi-head sampling rod which comprises a shell, a push rod and at least two sampling heads, wherein each sampling head comprises an elastic rod and sampling cotton connected to the lower end of the elastic rod, the elastic rod is accommodated at the lower end of the shell and can be separated from the shell downwards, the lower end of the elastic rod can be bent towards one side when protruding out of the shell, so that the sampling cotton of the two sampling heads are far away from each other, the push rod is movably connected with the shell, and the push rod is used for pushing the sampling heads downwards away from the shell. The sampling heads are pushed downwards through the push rods, the lower ends of the sampling heads can be seen to be bent after being exposed for a certain length, the at least two sampling heads are outwards and separated, a wider space can be reserved below the sampling rods for accommodating storage bottles, and the storage bottles are not easy to touch other sampling heads when receiving the corresponding sampling heads; medical personnel need not to contact the sampling probe, pushes away the sampling probe from the casing through the mode of pushing, and the sampling probe can fall into under the action of gravity and deposit the bottle.

Description

Fork spacing avoiding multi-head sampling rod

Technical Field

The invention relates to a medical instrument, in particular to a fork space-avoiding multi-head sampling rod.

Background

The sampling rod is commonly used in medical care, and is used for wiping/dipping a sampling solution from the skin, oral cavity and other parts of a human body, and then a sampling end is taken off and put into a reagent bottle/a storage bottle/a test tube.

The prior art sampling wand includes a handle section, a sampling section and a middle section. After the medical staff finishes sampling, the sampling section is broken off and then is put into the bottle. Because the existing sampling rod adopts the structure form, when the sampling section is broken, a finger easily touches the sampling cotton; the sampling section has a large impact at the moment of disconnection, and the sample/sample liquid is easily splashed.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the multi-head sampling rod with the fork space, medical staff do not need to contact the sampling head, the sampling head is pushed away from the shell in a pushing mode, and the sampling head can fall into a storage bottle under the action of gravity.

According to the embodiment of the first aspect of the invention, the fork space-avoiding multi-head sampling rod comprises a shell, a push rod and at least two sampling heads, wherein each sampling head comprises an elastic rod and sampling cotton connected to the lower end of the elastic rod, the elastic rod is accommodated at the lower end of the shell and can be separated from the shell downwards, the lower end of the elastic rod can be bent towards one side when protruding out of the shell, so that the sampling cotton of the two sampling heads are separated, the push rod is movably connected with the shell, and the push rod is used for pushing the sampling heads downwards away from the shell.

The fork spacing avoidance multi-head sampling rod provided by the embodiment of the invention at least has the following beneficial effects: the sampling heads are pushed downwards through the push rods, the lower ends of the sampling heads can be seen to be bent after being exposed for a certain length, the at least two sampling heads are outwards and separated, a wider space can be reserved below the sampling rods for accommodating storage bottles, and the storage bottles are not easy to touch other sampling heads when receiving the corresponding sampling heads; medical personnel need not to contact the sampling probe, pushes away the sampling probe from the casing through the mode of pushing, and the sampling probe can fall into under the action of gravity and deposit the bottle.

According to some embodiments of the invention, the upper end and the lower end of the elastic rod are provided with limiting blocks, the middle part of the elastic rod is a deformable rod part, the shaft diameter of the limiting blocks is larger than that of the deformable rod part, and the limiting blocks are connected in the shell in a sliding manner.

According to some embodiments of the invention, the push rod is threadedly coupled to the housing, and rotation of the push rod drives the push rod up and down in the housing.

According to some embodiments of the invention, the circumferential wall of the upper end of the push rod is provided with force corners and/or force stripes.

According to some embodiments of the invention, the housing is assembled from an upper shell and a lower shell, the sampling head is connected to the lower shell, and the push rod is connected to the lower shell.

According to some embodiments of the invention, one of the upper case and the lower case is provided with an elastic clamping leg, and the other is provided with a concave hole for snap-connecting the elastic clamping leg.

According to some embodiments of the invention, the housing is provided with a cavity, the cavity contains a thin-walled glass bag, one of the thin-walled glass bag and the cavity contains peroxide, and the other one of the thin-walled glass bag and the cavity contains ester compound, the thin-walled glass bag and/or the cavity contains fluorescent material, the lower part of the cavity of the housing is made of transparent material, and the housing can be bent.

According to some embodiments of the present invention, the housing is made of a transparent material, and the light shielding layer is attached to an upper end surface and an outer peripheral wall of the housing.

According to some embodiments of the invention, a spacer for connecting the thin-walled glass capsule and a protective sleeve surrounding the thin-walled glass capsule are disposed in the cavity.

According to some embodiments of the invention, the housing is assembled by an upper housing and a lower housing, the upper housing and the lower housing are respectively provided with an upper concave part and a lower concave part, the upper concave part and the lower concave part form the cavity when the upper housing and the lower housing are assembled, the sampling head is connected with the lower housing, and the push rod is connected with the lower housing.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a sampling rod according to an embodiment of the present invention;

FIG. 2 is a perspective cross-sectional view of the sampling rod of FIG. 1, with the push rod divided into upper and lower sections, the sections being shown by different cut lines;

FIG. 3 is a main perspective cross-sectional view of the sampling wand shown in FIG. 1, with the push rod divided into upper and lower sections, the sections being shown by different cross-sectional lines;

FIG. 4 is a schematic view of the sampling rod of FIG. 1 after pushing out the sampling head;

FIG. 5 is an exploded view of the sampling wand shown in FIG. 1;

FIG. 6 is an exploded cross-sectional view of the sampling rod of FIG. 1, with the push rod divided into upper and lower sections, the sections being shown by different cross-sectional lines;

FIG. 7 is a schematic view of the sampling tip of the sampling wand of FIG. 1 in a restrained state, with the resilient lever being relatively straight when the sampling tip is restrained in the housing;

fig. 8 is a schematic view of the sampling head of the sampling rod shown in fig. 1 in a free state, wherein the sampling head is in a free state after being separated from the housing and is bent back to a normal state.

The shell 100, the cavity 110, the upper shell 120, the upper concave part 121, the lower shell 130, the lower concave part 131 and the elastic clamping foot 132;

the sampling device comprises a sampling head 200, an elastic rod 210, a limiting block 211, a deformable rod part 212 and sampling cotton 220;

a thin-walled glass capsule 300;

a push rod 400, a force application corner 410;

a seal ring 500;

cushion block 610, protective sleeve 620;

a shield 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 2 to 4 and 6, a multi-head sampling rod with a fork space according to an embodiment of the first aspect of the present invention includes a housing 100, a push rod 400 and at least two sampling heads 200, wherein the sampling head 200 includes an elastic rod 210 and a sampling cotton 220 connected to a lower end of the elastic rod 210, the elastic rod 210 is accommodated at a lower end of the housing 100, the elastic rod 210 can be separated from the housing 100 downward, the lower end of the elastic rod 210 can be bent to one side when protruding out of the housing 100 to separate the sampling cotton 220 of the two sampling heads 200, the push rod 400 is movably connected to the housing 100, and the push rod 400 is used for pushing the sampling head 200 downward away from the housing 100.

The fork spacing avoidance multi-head sampling rod provided by the embodiment of the invention at least has the following beneficial effects: the sampling heads 200 are pushed downwards by the push rod 400, the lower ends of the sampling heads 200 can be seen to be bent after being exposed for a certain length, the at least two sampling heads 200 are outwards separated, a wider space can be arranged below the sampling rods for placing storage bottles, and the storage bottles are not easy to touch other sampling heads 200 when receiving the corresponding sampling heads 200; medical personnel need not to contact sampling probe 200, pushes away sampling probe 200 from casing 100 through the mode of pushing, and sampling probe 200 can fall into under the action of gravity and deposit the bottle.

Referring to fig. 2 to 4 and 6 to 8, in some embodiments of the present invention, the upper end and the lower end of the elastic rod 210 are provided as a stopper 211, the middle of the elastic rod 210 is a deformable rod part 212, the shaft diameter of the stopper 211 is greater than that of the deformable rod part 212, and the stopper 211 is slidably coupled in the housing 100. The limiting blocks 211 are similar to a piston, the two limiting blocks are arranged in a straight hole, and the deformable rod part 212 of the two limiting blocks, which is arranged on the same straight line and between the two limiting blocks, is limited to be a straight rod. The deformable rod portion 212 and the limiting block 211 can be cylindrical or rectangular blocks, and the diameter or width of the shaft is indicated by the shaft diameter.

Referring to fig. 2, 3 and 6, in some embodiments of the present invention, the push rod 400 is threadedly coupled to the housing 100, and rotating the push rod 400 drives the push rod 400 to move up and down in the housing 100. When the push rod 400 is rotated, the push rod 400 moves up and down in the housing 100; the push rod 400 can push the sampling head 200 downward to separate the sampling head 200 from the housing 100, and in this arrangement, the pushing of the sampling head 200 is labor-saving and does not require brute force. In the process of rotating the push rod 400, the pushing force given by the push rod 400 is more concentrated in the axial direction.

In some embodiments, the upper end of the push rod 400 is presented as a button, and pressing the push rod 400 pushes the push rod 400. In some embodiments of the present invention, the upper end of the push rod 400 protrudes out of the housing 100, and the peripheral wall of the upper end of the push rod 400 is provided with a force-exerting corner 410, such as a hexagonal prism, an octagonal prism, or the like, at the upper end of the push rod 400. In some embodiments, the upper end of the push rod 400 protrudes out of the housing 100, and the circumferential wall of the upper end of the push rod 400 is provided with force strips, such as a plurality of ribs arranged side by side. When the push rod 400 is rotated, labor is saved.

Referring to fig. 1 to 6, in some embodiments of the present invention, the housing 100 is assembled by assembling the upper shell 120 and the lower shell 130, the sampling head 200 is connected to the lower shell 130, and the push rod 400 is connected to the lower shell 130. After sampling, the sampling head 200 is separated from the lower shell 130 for storage, the lower shell 130 is discarded, and the upper shell 120 and the connecting structure thereof can be recycled.

The housing 100 is divided into an upper shell 120 and a lower shell 130, the push rod 400 is connected with the upper shell 120, the sampling head 200 is connected with the lower shell 130, and the sampling head 200 can be pushed to be separated from the housing 100, so that the push rod 400 can be operated by one hand while holding the lower shell 130.

Referring to fig. 5 and 6, in some embodiments of the present invention, one of the upper case 120 and the lower case 130 is provided with an elastic catch 132, and the other is provided with a concave hole for snap-coupling the elastic catch 132. The upper shell 120 and the lower shell 130 are connected in a buckling mode, the sampling rod is convenient to disassemble and assemble, the shell can be disassembled or assembled through plugging and unplugging, and long-time operation of screwing is omitted; the housing section provided with the recess may be provided with a through hole for the resilient catch 132.

Referring to fig. 2, 3 and 6, in some embodiments of the present invention, the housing 100 is provided with a cavity 110, a thin-walled glass capsule 300 is accommodated in the cavity 110, one of the thin-walled glass capsule 300 and the cavity 110 contains peroxide, the other one of the thin-walled glass capsule 300 and the cavity 110 contains ester compound, and the thin-walled glass capsule 300 and/or the cavity 110 contains fluorescent material, the lower portion of the housing 100 from the cavity 110 is made of transparent material, and the housing 100 can be bent.

The fluorescent material can be fluorescent powder, fluorescent particles and the like.

The sampling head 200 is generally provided with a cotton block or a wound cotton thread at the lower end, and the cotton block and the cotton thread are used as sampling cotton 220 for wiping sampling or dipping sampling liquid. The sampling rod further comprises a protective cover 700, the protective cover 700 is sleeved with the sampling cotton 220, and the sampling cotton 220 is isolated and protected.

The lower portion of the casing 100 from the cavity 110 is made of a transparent material, that is, the light in the cavity 110 can be emitted through the lower end of the casing 100.

Thin-wall glass, generally less than or equal to 1.0mm in medical use; for example, the wall thickness of a medicine bottle which is commonly used for medical care is small, so that the medicine bottle can be broken off and then a syringe is used for extracting liquid. The shell 100 can be bent, and the corresponding structure can be polyethylene (plastic), silica gel and the like, and the polyethylene (plastic) and the silica gel can also be transparent; a weaker or a certain color of light is required and pigments/dyes may be added.

By using a common conventional chemical principle such as a fluorescent rod, peroxide and an ester compound are mixed and react, the energy generated by the reaction makes the fluorescent material emit light, in addition, the shell 100 can be bent and is provided with a cavity 110, the lower end of the shell 100 can be penetrated through, the cavity 110 is also provided with a thin-wall glass bag 300, and the thin-wall glass becomes an interlayer of the peroxide and the ester compound; when the sampling rod is bent, the thin-walled glass capsule 300 is broken, the peroxide and the ester compound are mixed, and light can be emitted from the lower end of the shell 100.

The case 100 includes an upper case 120 and the upper case 120, and is provided with a light emitting structure. After sampling, the sampling head 200 leaves the lower shell 130 for storage, the lower shell 130 is discarded, and the upper shell 120 and the connecting structure thereof can be recycled; in the finished sampling rod, the upper shell 120 and the lower shell 130 can be separated, the sampling head 200 is connected in the lower shell 130, and the thin-wall glass capsule 300, the lower shell 130 and the sampling head 200 are used as disposable articles. A new thin-walled glass capsule 300 is put into the lower recess 131, and then the upper case 120 and the lower case 130 are assembled.

In some embodiments of the present invention, the housing 100 is made of a transparent material, and a light shielding layer is attached to the upper end surface and the outer peripheral wall of the housing 100. In some embodiments, the housing 100 is made of a transparent material, such as plastic, silicone, glass fiber, etc., and a light shielding layer, such as some black films, ink thin layers, etc., is attached to the upper surface and the peripheral wall. In some embodiments, the housing 100 is divided into an upper housing 120 and a lower housing 130, the lower housing 130 is made of transparent material, and the light generated in the cavity 110 is emitted to the outside through the lower housing 130; even, only the lower case 130 can be bent, the lower case 130 can be discarded after being bent with a certain deformation or crease, the upper case 120 and the connecting structure thereof can be recycled, the environment is protected, the sanitation is realized, and the cost is reduced.

Referring to fig. 2, 3 and 6, in some embodiments of the invention, a spacer 610 for attaching the thin-walled glass capsule 300 and a protective sleeve 620 surrounding the thin-walled glass capsule 300 are disposed in the cavity 110. When the sampling rod is transported, the thin-wall glass bag 300 can be protected and is not easy to break. The cushion block 610 and the anti-slip cover can be made of foam block, foam, sponge, soft plastic and the like.

Referring to fig. 2, 3 and 6, in some embodiments of the present invention, the housing 100 is assembled by assembling the upper and

lower shells

120 and 130, the upper and

lower shells

120 and 130 are respectively provided with the upper and lower

concave portions

121 and 131, the upper and lower

concave portions

121 and 131 form the cavity 110 when the upper and

lower shells

120 and 130 are assembled, the sampling head 200 is connected to the lower shell 130, and the push rod 400 is connected to the lower shell 130. After sampling, the sampling head 200 leaves the lower shell 130 for storage, the lower shell 130 is discarded, and the upper shell 120 and the connecting structure thereof can be recycled; in the finished sampling rod, the upper shell 120 and the lower shell 130 can be separated, the sampling head 200 is connected in the lower shell 130, and the thin-wall glass capsule 300, the lower shell 130 and the sampling head 200 are used as disposable articles. A new thin-walled glass capsule 300 is put into the lower recess 131, and then the upper case 120 and the lower case 130 are assembled.

A packing 500 is coupled between the upper case 120 and the lower case 130.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A fork space-avoiding multi-head sampling rod is characterized by comprising:

a housing (100);

at least two sampling heads (200) comprising an elastic rod (210) and sampling cotton (220) connected to the lower end of the elastic rod (210), wherein the elastic rod (210) is accommodated at the lower end of the shell (100), the elastic rod (210) can be separated from the shell (100) downwards, and the lower end of the elastic rod (210) can be bent towards one side when protruding out of the shell (100) so that the sampling cotton (220) of the two sampling heads (200) are far away from each other;

the push rod (400) is movably connected with the shell (100), and the push rod (400) is used for pushing the sampling head (200) downwards to be separated from the shell (100).

2. The multi-head sampling rod for fork space avoidance according to claim 1, wherein the upper end and the lower end of the elastic rod (210) are provided with a limiting block (211), the middle part of the elastic rod (210) is provided with a deformable rod part (212), the shaft diameter of the limiting block (211) is larger than that of the deformable rod part (212), and the limiting block (211) is slidably connected in the shell (100).

3. The bifurcated clearance-avoiding multi-start sampling wand of claim 1, wherein the push rod (400) is threadably coupled to the housing (100), and rotating the push rod (400) drives the push rod (400) up and down in the housing (100).

4. A bifurcated hollow multi-start sampling rod as claimed in claim 3, wherein the peripheral wall of the upper end of the push rod (400) is provided with force corners (410) and/or force striations.

5. A fork space-avoiding multi-head sampling rod according to any one of claims 1 to 4, wherein the housing (100) is assembled by an upper housing (120) and a lower housing (130), the sampling head (200) is connected with the lower housing (130), and the push rod (400) is connected with the lower housing (130).

6. The bifurcated hollow multi-head sampling rod as claimed in claim 5, wherein one of the upper shell (120) and the lower shell (130) is provided with an elastic clamping pin (132), and the other is provided with a concave hole for snap-connecting the elastic clamping pin (132).

7. A fork-separation hollow multi-head sampling rod according to any one of claims 1 to 4, characterized in that the housing (100) is provided with a cavity (110), a thin-walled glass capsule (300) is accommodated in the cavity (110), one of the thin-walled glass capsule (300) and the cavity (110) contains peroxide, the other one contains ester compound, the thin-walled glass capsule (300) and/or the cavity (110) contains fluorescent material, the lower part of the cavity (110) of the housing (100) is made of transparent material, and the housing (100) can be bent.

8. The bifurcated anti-space multi-head sampling rod as claimed in claim 7, wherein the housing (100) is made of transparent material, and a light shielding layer is attached to the upper end surface and the outer peripheral wall of the housing (100).

9. An interdigitated sampling wand according to claim 7, wherein a block (610) for attaching the thin-walled glass capsule (300) and a protective sheath (620) surrounding the thin-walled glass capsule (300) are provided in the cavity (110).

10. The fork-separation space-avoiding multi-head sampling rod as claimed in claim 7, wherein the housing (100) is assembled by an upper housing (120) and a lower housing (130), the upper housing (120) and the lower housing (130) are respectively provided with an upper concave portion (121) and a lower concave portion (131), the upper concave portion (121) and the lower concave portion (131) form the cavity (110) when the upper housing (120) and the lower housing (130) are assembled, the sampling head (200) is connected with the lower housing (130), and the push rod (400) is connected with the lower housing (130).