CN217430048U

CN217430048U - Novel blood tumor biopsy sampling device

Info

Publication number: CN217430048U
Application number: CN202123230622.8U
Authority: CN
Inventors: 蒋鸿超; 张桢; 张晓琳; 杜庭义; 王美芬
Original assignee: Kunming Childrens Hospital
Current assignee: Kunming Childrens Hospital
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-16
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a novel blood tumor biopsy sampling device, including locator, pjncture needle and sample test tube, its characterized in that: the lower end of the positioner is provided with a bottom plate, a through hole is formed in the bottom plate, two sides of the through hole are fixedly connected with supporting rods, and a directional cylinder is hinged between the two supporting rods; the puncture needle front end is the syringe needle, and syringe needle demountable installation is at the handle front end, handle end fixed connection guiding tube, guiding tube other end fixed connection tail needle, and tail needle detachable inserts the rubber stopper of sample test tube. The utility model has the advantages that the locator can be detachably arranged at the puncture position of the human body, the puncture point and the puncture direction are fixed, the needle is accurately inserted, the one-time sampling is ensured, the pain of the patient is reduced, and the operation difficulty is reduced; the handle is provided with the annular protrusion, so that the friction force is increased, and the needle is convenient to hold and force to insert; negative pressure is arranged in the sampling test tube, and the sample can be rapidly and automatically extracted after communication; the sampling volume is controlled through the sampling test tube volume and the vacuum degree, and the sampling is convenient and accurate.

Description

Novel blood tumor biopsy sampling device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to novel blood tumor biopsy sample device.

Background

Common hematological tumors include mainly various leukemias, multiple myelomas, and malignant lymphomas. Acute leukemia accounts for the eighth of common malignancies, lymphoma is also in the first ten, and the incidence increases year by year, with the overall incidence of multiple myeloma accounting for 10% of hematologic malignancies. The statistics of western countries are more comprehensive, and the incidence rates of the three types of tumors are ranked in the first ten of malignant tumors. With the development of living standard, the need for various chemical substances, such as gasoline, paint, benzene, etc., is increased, and the blood tumor is easy to suffer from poor resistance, so that the biopsy sampling of the blood tumor is needed by using a sampling device.

The early detection, the correct diagnosis and the timely treatment have important influence on the prognosis of the tumor, the accuracy of tumor diagnosis is gradually improved along with the continuous improvement of examination means and methods in recent years, but a large part of tumors still have no typical imaging characteristics, so that the simple imaging technology examination has the problem of difficult diagnosis, and the accurate diagnosis needs three combinations of clinic, image and pathology, wherein the pathological diagnosis plays a key role in the selection of a treatment scheme, and the needle biopsy is a main way for obtaining the pathological diagnosis result.

However, the prior art sampling devices have drawbacks, such as: the sampling device in the prior art adopts the injector to sample, and the sample in the injector needs to be injected into the test tube again for detection after the sampling in the mode, so that more time is wasted, the use efficiency of the sampling device is greatly reduced, and the requirements of the prior art cannot be met; in addition, the needle inserting position and the needle inserting angle of sampling have strict requirements, and if the needle inserting position and the needle inserting angle have slight deviation, the needle needs to be punctured again for sampling, so that the accuracy is difficult to control and only depends on experience; the difficulty is higher for the beginner, can't stabilize the needle insertion, can't accomplish puncturing and drawing the sample consecutively.

In order to solve the technical problem, the utility model provides a novel blood tumor biopsy sampling device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model designs a novel blood tumor biopsy sampling device, which is provided with a positioner, is detachably arranged at a puncture position of a human body, fixes a puncture point and a puncture direction, accurately inserts a needle, ensures one-time sampling, reduces the pain of a patient and reduces the operation difficulty; the handle is provided with the annular protrusion, so that the friction force is increased, and the needle is convenient to hold and force to insert; negative pressure is arranged in the sampling test tube, and the sample can be rapidly and automatically extracted after communication; the sampling volume is controlled through the sampling test tube volume and the vacuum degree, and the sampling is convenient and accurate.

In order to achieve the technical effects, the utility model discloses a realize through following technical scheme: the utility model provides a novel blood tumour biopsy sampling device, includes locator, pjncture needle and sample test tube, its characterized in that: the lower end of the positioner is provided with a bottom plate, a through hole is formed in the bottom plate, two sides of the through hole are fixedly connected with supporting rods, and a directional cylinder is hinged between the two supporting rods; the puncture needle front end is the syringe needle, and syringe needle demountable installation is at the handle front end, handle end fixed connection guiding tube, guiding tube other end fixed connection tail needle, and the rubber stopper of sample test tube is inserted to tail needle detachable.

Further, the through hole is a long and narrow rectangle with round corners; the directional cylinder is a hollow round pipe with two open ends.

Further, damping is arranged at the hinged joint of the support rod and the directional cylinder.

Furthermore, a plurality of annular protrusions are arranged on the surface of the handle, and the outer diameter of the handle is equal to the inner diameter of the directional cylinder.

Further, the sample test tube adopts transparent material to make, and sample test tube surface is provided with the volume scale.

Further, a negative pressure is arranged in the sample test tube.

Furthermore, the positioner is detachably arranged at the puncture part of the human body, and the fixing mode is elastic bandage or adhesion.

The utility model has the advantages that:

the utility model designs a novel blood tumor biopsy sampling device, which is provided with a positioner, is detachably arranged at a puncture position of a human body, fixes a puncture point and a puncture direction, and accurately inserts a needle, thereby ensuring disposable sampling, reducing the pain of a patient and reducing the operation difficulty; the handle is provided with the annular protrusion, so that the friction force is increased, and the needle is convenient to hold and force to insert; negative pressure is arranged in the sampling test tube, and the sample can be rapidly and automatically extracted after communication; the sampling volume is controlled through the sampling test tube volume and the vacuum degree, and the sampling is convenient and accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the positioner of the present invention;

FIG. 3 is a schematic view of the structure of the puncture needle and the sample tube of the present invention;

fig. 4 is a cross-sectional view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a positioner; 101. a base plate; 102. a strut; 103. an orientation cylinder; 2. puncturing needle; 201. A needle head; 202. a handle; 203. a guide tube; 204. a tail needle; 3. a sample tube.

Detailed Description

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

Example 1

Referring to fig. 1 to 4, a novel blood tumor biopsy sampling device comprises a positioner 1, a puncture needle 2 and a sample tube 3, and is characterized in that: the lower end of the positioner 1 is provided with a bottom plate 101, a through hole is formed in the bottom plate 101, supporting rods 102 are fixedly connected to two sides of the through hole, and a directional cylinder 103 is hinged between the two supporting rods 102; the front end of the puncture needle 2 is a needle 201, the needle 201 is detachably arranged at the front end of a handle 202, the tail end of the handle 202 is fixedly connected with a guide tube 203, the other end of the guide tube 203 is fixedly connected with a tail needle 204, and the tail needle 204 is detachably inserted into a rubber plug of the sample test tube 3.

The through hole is a long and narrow rectangle with round corners; the directional cylinder 103 is a hollow round tube with two open ends, so that the puncture needle 2 can conveniently enter along the directional cylinder 103.

The hinged joint of the support rod 102 and the directional cylinder 103 is provided with damping, so that the fixing direction is not easy to change.

The surface of the handle 202 is provided with a plurality of annular protrusions, so that friction is increased, the handle is convenient to hold and exert force, the outer diameter of the handle 202 is equal to the inner diameter of the directional cylinder 103, the direction is fixed, and the handle 202 is prevented from shaking to generate errors.

Sample test tube 3 adopts transparent material to make, is convenient for observe, and 3 surfaces of sample test tube are provided with the volume scale, can the direct reading volume.

Set up the negative pressure in the sample test tube 3, can extract the sample fast automatically behind the tail needle 204 UNICOM sample test tube, convenient and fast.

Locator 1 detachable installs at human puncture position, and fixed mode is elastic bandage or pastes, avoids rocking and produces the deviation.

Example 2

The utility model designs a novel blood tumor biopsy sampling device, which is provided with a locator 1, is detachably arranged at the puncture position of a human body, fixes the puncture point and the puncture direction, and accurately inserts a needle, thereby ensuring disposable sampling, reducing the pain of a patient and reducing the operation difficulty; the handle 202 is provided with an annular protrusion, so that friction is increased, and the needle can be conveniently held and inserted by force; negative pressure is arranged in the sampling test tube, and the sample can be rapidly and automatically extracted after communication; the sampling volume is controlled through the sampling test tube volume and the vacuum degree, and the sampling is convenient and accurate.

Example 3

The using method comprises the following steps: determining a puncture site of a human body, and mounting the positioner 1 to the puncture site; determining a puncture point and a puncture angle, and adjusting the directional cylinder 103; a handheld puncture needle 2 which extends into the directional cylinder 103 and punctures; the tail needle 204 is inserted into the sample test tube, so that the sample can be rapidly and automatically extracted into the sample test tube; the puncture needle 2 is taken down, the tail needle 204 is pulled out, the locator 1 is taken down, and the puncture wound is treated.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a novel blood tumour biopsy sampling device, includes locator, pjncture needle and sample test tube, its characterized in that: the lower end of the positioner is provided with a bottom plate, a through hole is formed in the bottom plate, supporting rods are fixedly connected to two sides of the through hole, and a directional cylinder is hinged between the two supporting rods; the puncture needle front end is the syringe needle, and syringe needle demountable installation is at the handle front end, handle end fixed connection guiding tube, guiding tube other end fixed connection tail needle, and the rubber stopper of sample test tube is inserted to tail needle detachable.

2. The novel hematological tumor biopsy sampling device according to claim 1, wherein the through-hole is a narrow rounded rectangle; the directional cylinder is a hollow round pipe with two open ends.

3. The novel hematological tumor biopsy sampling device according to claim 1, wherein a damping is provided at the hinge joint of the strut and the directional cylinder.

4. The new blood tumor biopsy sampling device as claimed in claim 1, wherein the handle surface is provided with a plurality of annular protrusions, and the outer diameter of the handle is equal to the inner diameter of the directional cylinder.

5. The new blood tumor biopsy sampling device as claimed in claim 1, wherein the sample tube is made of transparent material, and the surface of the sample tube is provided with volume scales.

6. The new blood tumor biopsy sampling device according to claim 1 or 5, wherein a negative pressure is provided in the sample tube.

7. The new blood tumor biopsy sampling device as claimed in claim 1, wherein the locator is detachably mounted at the puncture site of the human body by means of elastic bands or adhesive.