CN219725852U - Forceps head kit for clamping biological material and forceps assembly - Google Patents

Abstract

The utility model belongs to the technical field of tissue culture tools, and particularly relates to a forceps head kit and a forceps assembly for clamping biological materials. The tweezers head kit can be conveniently assembled or disassembled with the tweezers rod, and each tweezers head in the tweezers head kit can meet the clamping requirement of different types of biological materials in the tissue culture process.

Description

Forceps head kit for clamping biological material and forceps assembly

Technical Field

The utility model belongs to the technical field of tissue culture tools, and particularly relates to a forceps head kit and a forceps assembly for clamping biological materials.

Background

In the process of biological tissue culture, various biological materials such as millet grains, soybean grains, cylinders and the like with different sizes and shapes need to be clamped and transferred, common pointed tweezers in the prior art are only suitable for general types of biological materials, the applicability of the materials with the special shapes and sizes is relatively limited, tweezers or accessories which can flexibly cope with the biological materials with the special shapes are lacking in reality, and in order to meet the requirement of processing the different biological materials in the process of tissue culture, a tweezer assembly capable of clamping and transferring the different biological materials is needed, and the tweezer assembly has the characteristics of being capable of being spliced into applicable types with conventional tweezers such as the conventional gun-shaped tweezers simply and flexibly, and being more convenient for processing the biological materials with the special shapes.

In addition, as the tweezers in the prior art are all made of metal materials, and the tweezers are required to be subjected to high-temperature sterilization treatment in the tissue culture process, the metal tweezers at least can cause the following two problems, firstly, a device which is required to be subjected to independent high-temperature sterilization is required, so that the operation is complicated, and secondly, when the metal tweezers are cooled, even if the handles on the upper parts of the tweezers are cooled, the tips of the tweezers rods which are subjected to low-temperature sterilization still have residual heat, so that the tender materials are damaged, and therefore, the problem that the tweezers assembly is convenient in the use process and the high-temperature damage to biological materials is avoided is also required to be solved.

In the biological experiment operation process, especially in the tissue culture transfer process of biological materials with small volume or special shape, the process is required to be reduced as much as possible by experimenters, the operation efficiency is improved, the unnecessary working time is increased due to frequent tool replacement or excessive single repetitive action, the probability of operation errors and pollution is greatly increased, the previous preparation work is lost, the unnecessary loss of sterile materials is caused, and the working efficiency of the experimenters is lower, so that the tool capable of improving the operation convenience in the tissue culture process is very necessary.

Disclosure of Invention

In order to solve the problems, the utility model provides a tweezer head kit and tweezer assembly for clamping biological materials, the tweezer head kit not only comprises tweezer heads with various different shapes, not only can meet the clamping requirements of the biological materials with different shapes, but also is convenient to mount and dismount with tweezer rods, in the tissue culture process, the sterilized tweezer heads can be mounted and used in a mode similar to a pipette gun head, and can be dismounted after being used up, and can be used continuously after being cleaned and sterilized, so that the convenience of operation is obviously improved.

According to one aspect of the present utility model, there is provided a tweezer head kit for gripping biological material, the tweezer head kit comprising a cylindrical tweezer head, a toothed shovel tweezer head, a circular tweezer head, a round head shovel tweezer head and a spoon tweezer head;

the cylindrical tweezers head comprises a cylindrical clamping part and a cylindrical connecting part which are connected, the toothed shovel-shaped tweezers head comprises a toothed shovel-shaped clamping part and a toothed shovel-shaped connecting part which are connected, the round tweezers head comprises a round clamping part and a round connecting part which are connected, the round shovel-shaped tweezers head comprises a round shovel-shaped clamping part and a round shovel-shaped connecting part which are connected, and the spoon-shaped tweezers head comprises a spoon-shaped clamping part and a spoon-shaped connecting part which are connected;

the cylindrical surface connecting part, the toothed shovel connecting part, the round shovel connecting part and the spoon connecting part are all internally provided with fixing grooves which are used for accommodating the forceps rods.

Optionally, the cylindrical radian of the cylindrical clamping part is 100-160 degrees; and/or 2-5 collecting teeth are arranged on the tooth shovel-shaped clamping part.

Optionally, through holes are formed in the tooth shovel-shaped clamping part, the round head shovel-shaped clamping part and the spoon-shaped clamping part.

Optionally, the number of the through holes is 1-4, and the diameter of the through holes is 0.1-0.4 cm.

Optionally, the tweezer head kit is made of silica gel.

Optionally, the inner side wall of the fixing groove is provided with a protrusion.

Optionally, the protrusion is a strip-shaped protrusion, and the length direction of the strip-shaped protrusion is parallel to the circumferential direction of the fixing groove.

Optionally, the inner side wall of the fixing groove is further provided with an inward concave groove.

According to another aspect of the present utility model, there is provided a tweezer assembly for gripping biological material, comprising a tweezer head box, a tweezer body and any of the tweezer head assemblies for gripping biological material described above, the tweezer body comprising a tweezer handle and two symmetrically disposed tweezer rods connected to the tweezer handle, the free ends of the tweezer rods being fixedly connected to the fixing grooves, the tweezer head box being adapted to receive the tweezer head assembly.

Optionally, the tweezer head box is made of high-temperature resistant hard plastic.

The beneficial effects that can be produced by the present utility model include, but are not limited to:

1. the tweezer head kit for clamping biological materials provided by the utility model comprises tweezer heads with various different shapes, can meet the operation requirements of biological materials with different shapes in the process of tissue culture operation, and can also meet the requirements of clamping in different clamping environments, for example, the clamping is changed into simple fishing action, wherein the collecting teeth in the tweezer heads with teeth also have the functions of collecting and gathering and fixing the biological materials, and the tweezer head kit is very suitable for operating the biological materials in the process of tissue culture.

2. According to the tweezer head kit for clamping biological materials, provided by the utility model, the connecting part and the tweezer rod are arranged for detachable connection, so that only the tweezer head kit can be sterilized during sterilization, and only the tweezer rod is required to be used for loading the tweezer head during use, and a new tweezer head is required to be detached and replaced after use, so that the convenience of operation is greatly improved.

3. The forceps head kit for clamping the biological material provided by the utility model is made of the silica gel, so that the biological material can be prevented from being damaged due to improper force application, the forceps head kit can be sterilized and cooled together with a culture medium, the temperature consistency of the outer layer and the inner layer of the forceps head made of the silica gel is good after the forceps head is cooled, and the problem that the biological material is damaged due to high temperature caused by the fact that the upper handle of a metal forceps is cooled and the lower tip part of the metal forceps is possibly heated is solved.

4. According to the tweezer head kit for clamping biological materials, provided by the utility model, the tweezer head kit has certain elasticity, the strip-shaped protrusions and the grooves are added to the connecting part, so that the convenience in mounting and dismounting the tweezer head is not affected, and meanwhile, the connection stability between the tweezer head and the tweezer rod in the using process is further improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic structural view of a tweezer head set according to embodiment 1 of the present utility model;

fig. 2 is a cross-sectional view of the body of the forceps and the cylindrical forceps head according to embodiment 2 of the utility model.

List of parts and reference numerals:

1-cylindrical tweezers head, 2-cylindrical connecting part, 3-toothed shovel tweezers head, 4-round tweezers head, 5-through hole, 6-round shovel tweezers head, 7-spoon tweezers head, 8-bulge, 9-groove, 10-tweezers rod, 11-collection teeth and 12-tweezers handle.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Referring to fig. 1 to 2, embodiment 1 of the present utility model discloses a tweezer head kit for gripping biological material, the tweezer head kit including a cylindrical tweezer head, a shovel-shaped tweezer head with teeth, a circular tweezer head, a round-head shovel-shaped tweezer head, and a spoon-shaped tweezer head; the cylindrical tweezers head comprises a cylindrical clamping part and a cylindrical connecting part which are connected, the toothed shovel-shaped tweezers head comprises a toothed shovel-shaped clamping part and a toothed shovel-shaped connecting part which are connected, the round tweezers head comprises a round clamping part and a round connecting part which are connected, the round shovel-shaped tweezers head comprises a round shovel-shaped clamping part and a round shovel-shaped connecting part which are connected, and the spoon-shaped tweezers head comprises a spoon-shaped clamping part and a spoon-shaped connecting part which are connected; the cylindrical surface connecting part, the toothed shovel connecting part, the round shovel connecting part and the spoon connecting part are all internally provided with fixing grooves which are used for accommodating the forceps rods.

As shown in fig. 1, the forceps head kit comprises a cylindrical forceps head, a toothed shovel-shaped forceps head, a round shovel-shaped forceps head and a spoon-shaped forceps head, wherein the cylindrical forceps head is suitable for fixing and clamping plant materials with hard materials and cylindrical shapes; the shovel-shaped forceps head with the teeth is suitable for materials which are too finely crushed, are in small particles or soft, and can be folded by the teeth at the top and then stored by the shovel shape when the materials are difficult to clamp when the materials are spread or scattered in a wider area, so that the operation procedure is omitted, the efficiency is improved, and the damage to the sterile materials due to the difficulty in controlling the clamping force of the materials is reduced; the round tweezer head is suitable for materials with special shapes such as round spheres, when the materials are round spheres, the round spheres are easy to slip due to improper force application during clamping and material treatment by using conventional gun-shaped tweezer, and the round tweezer head can fix the round sphere materials by using the round shapes and does not cause material tissue injury; the round-head shovel-shaped tweezer head is suitable for the scooping or transferring of the finely divided materials in the liquid state; the spoon-shaped forceps head is suitable for transferring a large amount of spherical materials.

The tweezers head kit comprises tweezers heads of various different shapes, the tweezers heads are respectively suitable for different biological materials and different collecting operation conditions, different requirements in the biological tissue culture process can be met, the tweezers can be conveniently installed and detached with the tweezers rod through the fixing grooves of the connecting parts, the tweezers heads and the tweezers rod are separated as much as possible due to the fact that sterilization operation is needed to be carried out on tools when the biological materials are subjected to aseptic operation, the tweezers head kit can be only sterilized, the tweezers head kit is used after the tweezers rod and the tweezers head are installed in the actual operation process, the tweezers are detached and discarded after being used, the tweezers are continuously installed and used, the work efficiency can be greatly improved, the discarded tweezers heads can be cleaned and sterilized after being uniformly collected, and the tweezers heads are ready for repeated use next time.

As one implementation mode, the radian of the cylindrical surface clamping part is 100-160 degrees, and 2-5 collecting teeth are arranged on the tooth shovel-shaped clamping part.

The cylindrical radian of the cylindrical clamping part is set in the range, so that better clamping and fixing effects on biological materials can be achieved, the flexibility of the forceps head in use can be met, meanwhile, the collecting teeth with the quantity are arranged in the toothed shovel-shaped clamping part of the toothed shovel-shaped forceps head, the collecting effect on the biological materials can be better, meanwhile, the problem that too many redundant substances are collected due to too small gaps between the collecting teeth when the biological materials are gathered due to too many collecting teeth, and if the gaps are too small, the collecting effect on other substances on a culture medium or a plane can be gathered together in the process of gathering the biological materials can be achieved.

The tooth shovel-shaped clamping part is provided with 2-5 collecting teeth, so that the tooth shovel-shaped clamping part can fix some biological materials by utilizing gaps between two adjacent collecting teeth in the use process, and thus when the biological materials are clamped to an operation platform for subsequent operation, the biological materials fixedly clamped in the gaps between the collecting teeth can be conveniently treated, the continuity in operation is ensured, repeated replacement of tools is not needed, the operation efficiency is greatly improved, and the error rate is reduced.

As an implementation mode, all set up the through-hole on tooth shovel shape clamping part, circular clamping part, round head shovel shape clamping part and the spoon form clamping part, through setting up the through-hole that can leak, when using the tweezers head in the tweezers head external member like this, can press from both sides and get biological material, can also the waterlogging caused by excessive rainfall, convenient follow-up operation, simultaneously to the biological material that exists in the liquid, can also simplify the operation of pressing from both sides into and drag for the operation, can obviously reduce the operation degree of difficulty.

As one embodiment, the number of through holes is 1 to 4, the diameter of the through holes is 0.1 to 0.4cm, if the number of through holes is too small, the water leakage effect is poor, if the number of through holes is too large, the effect of gripping or scooping is possibly poor, and the diameter of the through holes is set in the above range, which corresponds to the size of the biomaterial to be frequently operated, and can satisfy most of the biomaterials involved in the tissue culture process.

As a specific embodiment, as shown in fig. 1, the circular holding part is a circular frame, the inside is a cross-shaped supporting rib, the cross-shaped supporting rib is divided into 4 through holes, of course, the circular holding part can also be a mode of forming a circular through hole on a circular surface, wherein the center of the spoon-shaped clamping part is provided with a through hole, the middle of the through hole is provided with a supporting rib, the circular through hole is divided into two semicircular through holes by the supporting rib, and it is understood that the number, the size and the shape of the through holes can be set according to the needs for the setting of the through holes in the utility model.

As an implementation mode, the tweezers head external member is silica gel material, each tweezers head in the tweezers head external member is silica gel material, so that an independent sterilization device is not needed, the tweezers head external member can be used together with a culture medium and the like for sterilization, and meanwhile, the cooling process can be used after being cooled together with the culture medium, so that an experimenter only needs to operate one instrument in the operation process, the cooling time of the culture medium and the tweezers head external member is similar, the follow-up operation can be carried out after the required culture medium and the tweezers head external member are cooled, the damage to biological materials due to improper clamping force can be reduced by the silica gel material, and the problems that the upper handle of the metal tweezers is cooled, the lower tip is still high in temperature and the biological materials are damaged at high temperature are avoided.

As an implementation mode, the inner side wall of the fixing groove is provided with the protrusions, and as the silica gel material has certain elasticity, the fixing effect of the forceps rod and the fixing groove can be improved through the protrusions.

As one implementation mode, the bulges are strip bulges, the length direction of the strip bulges is parallel to the circumferential direction of the fixing groove, and the strip bulges are arranged in such a way that when the forceps heads are used for clamping biological materials with heavy weight, the forceps heads can be effectively prevented from falling off from the forceps rods.

As an implementation mode, the inner side wall of the fixing groove is further provided with an inward concave groove, and the groove is in a spherical shape, so that the fixing groove is convenient to mount and dismount, has a certain fixing effect, can prevent the forceps heads from falling off the forceps rods when clamping biological materials with heavy weight, can prevent the forceps heads from rotating relative to the forceps rods, and can enhance the fixing effect of the forceps heads on the forceps rods.

Example 2

As shown in fig. 2, the present embodiment relates to a tweezer assembly for gripping biological material, comprising a tweezer head box, a tweezer body and the tweezer head kit for gripping biological material of embodiment 1, wherein the tweezer body comprises tweezer handles and two tweezer rods symmetrically arranged and connected with the tweezer handles, the free ends of the tweezer rods are fixedly connected with a fixing groove, and the tweezer head box is used for accommodating the tweezer head kit.

As an implementation mode, the tweezer head box is made of high-temperature resistant hard plastic, and the tweezer head box made of the high-temperature resistant hard plastic can be used for loading tweezer head covers for uniform disinfection and sterilization.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. A tweezer head kit for gripping biological material, characterized in that the tweezer head kit comprises a cylindrical tweezer head, a shovel-shaped tweezer head with teeth, a round tweezer head, a round shovel-shaped tweezer head and a spoon-shaped tweezer head;

the cylindrical tweezers head comprises a cylindrical clamping part and a cylindrical connecting part which are connected, the toothed shovel-shaped tweezers head comprises a toothed shovel-shaped clamping part and a toothed shovel-shaped connecting part which are connected, the round tweezers head comprises a round clamping part and a round connecting part which are connected, the round shovel-shaped tweezers head comprises a round shovel-shaped clamping part and a round shovel-shaped connecting part which are connected, and the spoon-shaped tweezers head comprises a spoon-shaped clamping part and a spoon-shaped connecting part which are connected;

the cylindrical surface connecting part, the toothed shovel connecting part, the round shovel connecting part and the spoon connecting part are all internally provided with fixing grooves which are used for accommodating the forceps rods.

2. The forceps head kit of claim 1, wherein the cylindrical gripping portion has a cylindrical arc of 100-160 °; and/or the number of the groups of groups,

2-5 collecting teeth are arranged on the spade-shaped clamping part with teeth.

3. The forceps head kit of claim 1, wherein the teeth spade grip, the round head spade grip, and the spoon grip are all open with through holes.

4. The tweezer head kit of claim 3, characterized in that the number of through holes is 1-4 and the diameter of the through holes is 0.1-0.4 cm.

5. The tweezer head kit of claim 1, characterized in that it is of silicone material.

6. The forceps head kit of claim 1, wherein the inner side walls of the securing slots are provided with protrusions.

7. The tweezer head kit of claim 6, characterized in that the protrusions are strip-shaped protrusions, the length direction of which is parallel to the circumference of the fixation groove.

8. The forceps head kit of claim 1, wherein the inner sidewall of the holding groove is further provided with an invaginated groove.

9. The forceps assembly for clamping biological materials is characterized by comprising a forceps head box, a forceps main body and the forceps head kit for clamping biological materials according to any one of claims 1-8, wherein the forceps main body comprises a forceps handle and two forceps rods which are symmetrically arranged and are connected with the forceps handle, the free ends of the forceps rods are fixedly connected with the fixing grooves, and the forceps head box is used for accommodating the forceps head kit.

10. The tweezer assembly for gripping biological material according to claim 9, characterized in that the tweezer head cartridge is made of a high temperature resistant hard plastic.