CN210784444U - Pathology department uses sample collection system - Google Patents

Pathology department uses sample collection system Download PDF

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Publication number
CN210784444U
CN210784444U CN201921404716.2U CN201921404716U CN210784444U CN 210784444 U CN210784444 U CN 210784444U CN 201921404716 U CN201921404716 U CN 201921404716U CN 210784444 U CN210784444 U CN 210784444U
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CN
China
Prior art keywords
needle cylinder
cylinder
needle
sample
annular sleeve
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Expired - Fee Related
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CN201921404716.2U
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Chinese (zh)
Inventor
范远芳
杨娟
张霞
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Individual
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Individual
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Priority to CN201921404716.2U priority Critical patent/CN210784444U/en
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Publication of CN210784444U publication Critical patent/CN210784444U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a pathology department medical instrument technical field discloses a pathology department uses sample collection system, including the cylinder, the cylinder is equipped with pjncture needle, piston, push rod, ejector pad, ring sleeve, rubber pad and connecting rod. The utility model has simple structure and low cost, and can accurately adjust the amount of the sample to be extracted through the movable annular sleeve, thereby saving the time and the energy of the staff for measuring the amount of the sample; the resistance of medical staff in the process of extracting the specimen is increased through the annular plate, and the phenomenon that the negative pressure in the needle cylinder is too high due to the overlarge acting force of the medical staff is prevented, so that the specimen is sucked into the needle cylinder and is difficult to take out; meanwhile, the device is also suitable for the condition that the amount of the extracted sample is small, and the spherical convex cavity can prevent the extracted sample from entering the needle cylinder from the puncture needle and being difficult to take out.

Description

Pathology department uses sample collection system
Technical Field
The utility model relates to a pathology department medical instrument technical field, concretely relates to pathology department uses sample collection system.
Background
The pathology refers to the cause of disease, the pathogenesis, and the structural, functional and metabolic changes of cells, tissues and organs during the disease and their laws. In clinical application, some specimens of the pathology department are usually collected by a syringe, such as spinal fluid, pericardial effusion, etc.
When the traditional syringe is used for collecting pathological specimens, particularly for hand-held medical personnel, the amount of the specimens needing to be extracted is difficult to control, and the process is completely operated by the skill or experience of the medical personnel. In addition, the required sample amount is different according to different detection requirements, so that the related improvement of the existing sampling injector is needed.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a pathology department uses sample collection system, the size of the sample volume of extraction can be adjusted at will according to actual need to this device, and when the sample volume of extraction less, can prevent that the sample from getting into the cylinder because the negative pressure effect in, resistance when having increased medical staff's extraction sample simultaneously, effort when the medical staff of being convenient for adjusts the sampling can further prevent that the sample from getting into in the cylinder.
For solving the technical problem, the utility model provides a following technical scheme:
a specimen collecting device for pathology department comprises a needle cylinder, wherein a puncture needle is arranged at the front end of the needle cylinder, a piston hermetically and movably connected with the inner wall of the needle cylinder is arranged in the needle cylinder, a push rod is arranged at the top of the piston, and a push block is arranged at the top of the push rod; an annular sleeve movably abutted against the inner wall of the needle cylinder is arranged in the needle cylinder above the piston, the push rod penetrates through the center of the annular sleeve, and a rubber pad is arranged between the annular sleeve and the inner wall of the needle cylinder; two connecting rods are symmetrically arranged at the top of the annular sleeve, and the distance between the two connecting rods is larger than the diameter of the push block.
Furthermore, a connector is arranged at the front end of the needle cylinder, a pipeline communicated with the interior of the needle cylinder is arranged in the connector, a spherical convex cavity is arranged at the top of the puncture needle, and a rotary connector in threaded connection with the connector is arranged on the outer wall of the spherical convex cavity; when the amount of the extracted specimen is small, the spherical convex cavity can prevent the specimen from entering the needle cylinder.
Furthermore, the top of the connecting rod is provided with a lifting block extending in the direction departing from the needle cylinder; the position of the annular sleeve in the needle cylinder is convenient to adjust.
Furthermore, an annular plate is arranged on the inner wall of the annular sleeve, the push rod penetrates through the center of the annular plate, and a vent hole penetrating through the annular plate is formed in the top of the annular plate; resistance when multiplicable medical staff extracts the sample, the medical staff of being convenient for adjusts self effort, prevents that the negative pressure is too big and takes out the sample in the pjncture needle to the cylinder in.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and low cost, and can accurately adjust the amount of the sample to be extracted through the movable annular sleeve, thereby saving the time and the energy of the staff for measuring the amount of the sample; the resistance of medical staff in the process of extracting the specimen is increased through the annular plate, and the phenomenon that the negative pressure in the needle cylinder is too high due to the overlarge acting force of the medical staff is prevented, so that the specimen is sucked into the needle cylinder and is difficult to take out; meanwhile, the device is also suitable for the condition that the amount of the extracted sample is small, and the spherical convex cavity can prevent the extracted sample from entering the needle cylinder from the puncture needle and being difficult to take out.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a top view of the annular sleeve of the present invention;
FIG. 3 is a schematic structural view of the annular plate of the present invention;
wherein: 1. a needle cylinder; 2. puncturing needle; 3. a piston; 4. a push rod; 5. a push block; 6. an annular sleeve; 7. a rubber pad; 8. a connecting rod; 9. a connector; 10. a spherical convex cavity; 11. screwing the joint; 12. lifting blocks; 13. an annular plate; 14. and (4) a vent hole.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example (b):
referring to fig. 1, 2 and 3, a specimen collecting device for pathology department comprises a needle cylinder 1, a connector 9 is arranged at the front end of the needle cylinder 1, a pipeline communicated with the interior of the needle cylinder 1 is arranged in the connector 9, the connector 9 and the needle cylinder 1 are manufactured integrally, a spherical convex cavity 10 is arranged at the top of a puncture needle 2, the spherical convex cavity 10 is communicated with the puncture needle 2 and manufactured integrally, a rotary joint 11 in threaded connection with the connector 9 is arranged on the outer wall of the spherical convex cavity 10, the rotary joint 11 and the spherical convex cavity 10 are manufactured integrally, when the amount of the extracted sample is small, the negative pressure in the needle cylinder 1 can suck the sample in the puncture needle 2 into the needle cylinder 1 after the puncture needle 2 is pulled out of the human body, and the spherical convex cavity 10 plays a role of buffering, the specimen can be sucked into the spherical convex cavity 10, thereby preventing the specimen from being taken out difficultly due to the fact that the specimen enters the syringe 1.
A piston 3 which is in seal movable connection with the inner wall of the needle cylinder 1 is arranged in the needle cylinder 1, a push rod 4 is arranged at the top of the piston 3, a push block 5 is arranged at the top of the push rod 4, and the push rod 4, the push block 5 and the piston 3 are manufactured integrally; an annular sleeve 6 movably abutted against the inner wall of the needle cylinder 1 is arranged in the needle cylinder 1 above the piston 3, the push rod 4 penetrates through the center of the annular sleeve 6, the push rod 4 can freely move up and down in the center of the annular sleeve 6, a rubber pad 7 is arranged between the annular sleeve 6 and the inner wall of the needle cylinder 1, when the annular sleeve 6 moves up and down, the rubber pad 7 can prevent the annular sleeve 6 from scraping the inner wall of the needle cylinder 1, two connecting rods 8 are symmetrically arranged at the top of the annular sleeve 6, the distance between the two connecting rods 8 is larger than the diameter of the push block 5, and a lifting block 12 extending in the direction departing from the needle cylinder 1 is arranged at the top of; when the sampling device is used, the position of the annular sleeve 6 in the needle cylinder 1 is adjusted through the lifting block 12, so that the annular sleeve 6 is moved to the position of the amount of a sample to be sampled, when medical staff collects the sample, the sampling can be stopped when the piston 3 is moved to the position of the annular sleeve 6, and the time and the energy wasted when workers visually measure the amount of the sample are saved; meanwhile, the connecting rods 8 and the distance between the two connecting rods 8 do not influence the medical staff to push the push block 5 up and down.
The inner wall of the annular sleeve 6 is provided with an annular plate 13, the push rod 4 penetrates through the center of the annular plate 13, the top of the annular plate 13 is provided with a vent hole 14 penetrating through the annular plate 13, the annular plate 13 and the annular sleeve 6 are manufactured integrally, the annular plate 13 increases the resistance of gas discharge between the piston 3 and the annular plate 13, so that the resistance of medical staff when the medical staff extracts a sample is increased, the speed and the strength of the medical staff for adjusting the sampling are facilitated, the negative pressure in the needle cylinder 1 can be reduced, and the probability that the sample in the puncture needle 2 enters the needle cylinder 1 is reduced.
The utility model discloses a theory of use as follows: when the sampling device is used, the annular sleeve 6 is moved to a corresponding position through the lifting block 12 according to the amount of a sample to be extracted, and when the top of the piston 3 abuts against the bottom of the annular sleeve 6 during sample extraction, the sampling is stopped.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The specimen collecting device for the pathology department is characterized by comprising a needle cylinder (1), wherein a puncture needle (2) is arranged at the front end of the needle cylinder (1), a piston (3) which is movably connected with the inner wall of the needle cylinder (1) in a sealing mode is arranged in the needle cylinder (1), a push rod (4) is arranged at the top of the piston (3), and a push block (5) is arranged at the top of the push rod (4); an annular sleeve (6) movably abutted against the inner wall of the needle cylinder (1) is arranged in the needle cylinder (1) above the piston (3), the push rod (4) penetrates through the center of the annular sleeve (6), and a rubber pad (7) is arranged between the annular sleeve (6) and the inner wall of the needle cylinder (1); the top of the annular sleeve (6) is symmetrically provided with two connecting rods (8), and the distance between the two connecting rods (8) is larger than the diameter of the push block (5).
2. The pathology department sample collection device according to claim 1, characterized in that, the front end of cylinder (1) is equipped with connector (9), be equipped with in connector (9) with cylinder (1) interior communicating pipe, the top of pjncture needle (2) is equipped with spherical protruding chamber (10), the outer wall of spherical protruding chamber (10) is equipped with swivel joint (11) with connector (9) threaded connection.
3. The pathological specimen collection device of claim 1, wherein the connecting rod (8) has a lifting block (12) at the top extending in a direction away from the syringe (1).
4. The pathological specimen collection device of claim 1, wherein the inner wall of the annular sleeve (6) is provided with an annular plate (13), the push rod (4) passes through the center of the annular plate (13), and the top of the annular plate (13) is provided with a vent hole (14) penetrating through the annular plate (13).
CN201921404716.2U 2019-08-27 2019-08-27 Pathology department uses sample collection system Expired - Fee Related CN210784444U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921404716.2U CN210784444U (en) 2019-08-27 2019-08-27 Pathology department uses sample collection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921404716.2U CN210784444U (en) 2019-08-27 2019-08-27 Pathology department uses sample collection system

Publications (1)

Publication Number Publication Date
CN210784444U true CN210784444U (en) 2020-06-19

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Application Number Title Priority Date Filing Date
CN201921404716.2U Expired - Fee Related CN210784444U (en) 2019-08-27 2019-08-27 Pathology department uses sample collection system

Country Status (1)

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CN (1) CN210784444U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113057688A (en) * 2021-03-18 2021-07-02 河南省肿瘤医院 Biopsy puncture needle for orthopedics department

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113057688A (en) * 2021-03-18 2021-07-02 河南省肿瘤医院 Biopsy puncture needle for orthopedics department

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200619

CF01 Termination of patent right due to non-payment of annual fee