CN219835634U - Disposable novel puncture needle for diagnosis stage - Google Patents
Disposable novel puncture needle for diagnosis stage Download PDFInfo
- Publication number
- CN219835634U CN219835634U CN202321315728.4U CN202321315728U CN219835634U CN 219835634 U CN219835634 U CN 219835634U CN 202321315728 U CN202321315728 U CN 202321315728U CN 219835634 U CN219835634 U CN 219835634U
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- China
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- cavity
- connecting port
- gravity block
- puncture needle
- diameter
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 13
- 230000005484 gravity Effects 0.000 claims abstract description 35
- 238000001802 infusion Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 210000001124 body fluid Anatomy 0.000 claims description 16
- 239000010839 body fluid Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable novel puncture needle for a diagnosis stage, which comprises an injector, a shunt, a puncture needle head, an infusion tube and a liquid collecting bag, wherein the injector is provided with a needle head and a liquid collecting bag, and the needle head is provided with a needle head: the inside of the flow divider is sequentially provided with a first cavity, a second cavity and a third cavity from top to bottom; a boss is arranged at the joint of the first cavity and the second cavity, and a gravity block is arranged below the boss; the upper end of the first cavity is provided with a first connecting port; a second connecting port is arranged on one side of the shunt; the lower end of the third cavity is provided with a third connecting port; the injector is inserted into the first connecting port; the puncture needle head is inserted into the third connecting port; one end of the infusion tube is arranged on the second connecting port, and the other end of the infusion tube is communicated with the liquid collecting bag; a clamping piece is arranged at the end, close to the second connecting port, of the infusion tube; the device improves and innovates the original device, is suitable for vertical puncture in puncture diagnosis, has simple operation, convenient use, saves cost, and greatly reduces the treatment cost and the operation time of patients.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a novel disposable puncture needle for a diagnosis stage.
Background
When the body fluid in the patient is too much and surgical treatment and extraction are needed; the doctor can perform diagnostic abdominal cavity, thoracic cavity and joint cavity puncture, catheterization and drainage or both operations simultaneously according to the condition of the patient. Clinically, there are two types of operating instruments currently in use: a reusable puncture bag which is supplied to a hospital disinfection supply center, is only used for diagnostic puncture and sample collection, is time-consuming and labor-consuming and tedious in procedure if drainage is performed, and can not be independently completed because a connecting seat of a puncture needle head cannot be directly connected with a drainage bag, and can be completed by two persons; another type of disposable drainage bag, supplied to medical device manufacturers, is mainly used for indwelling drainage patients, and comprises a puncture needle and a plurality of sterilization devices such as puncture guide wires, surgical blades and surgical threads, which, if used for diagnostic puncture, cause unnecessary resource waste.
In diagnostic puncture diagnosis and treatment, the vertical puncture of the abdomen is one of the most commonly used, and the puncture bag and the drainage bag in the prior art are used, so that resource waste is caused and the diagnosis and treatment cost of patients is increased; there is an urgent need for a method that can solve such a problem.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a disposable novel puncture needle for a diagnosis stage.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the disposable novel puncture needle for the diagnosis stage comprises a syringe, a shunt, a puncture needle head, a transfusion tube and a liquid collecting bag, wherein the shunt is a cylinder, a first cavity, a second cavity and a third cavity are sequentially formed in the shunt from top to bottom, the axes of the first cavity, the second cavity and the third cavity are coaxial, the first cavity and the third cavity are hollow cylinders, and the diameter of the first cavity is larger than that of the third cavity; the second cavity is of a circular taper hole structure, the diameter of the upper end of the second cavity is equal to that of the first cavity, and the diameter of the lower end of the second cavity is equal to that of the third cavity; the upper end of the second cavity is communicated with the first cavity, and the lower end of the second cavity is communicated with the third cavity; a plurality of bosses are arranged at the joint of the first cavity and the second cavity, and the bosses are uniformly distributed on the inner wall of the joint of the first cavity and the second cavity; the boss and the shunt are integrally formed by injection molding; a gravity block is placed below the boss, the lower end of the gravity block is a round table, the diameter of the bottom surface of the gravity block is larger than the diameter of the lower end of the second cavity and smaller than the diameter of the upper end of the second cavity, and the side wall of the gravity block is matched with the inner wall of the second cavity; the gravity block is internally provided with a metal inner core, the outer part of the inner core is wrapped with an outer film made of soft materials, a guide column in the vertical direction is arranged at the center of the top surface of the round table of the gravity block, the guide column penetrates through a middle gap between the bosses, and the density of the gravity block is greater than that of body fluid; the upper end of the first cavity is provided with a first connecting port; a second connecting port is arranged on one side of the shunt and is communicated with the middle part of the first cavity; a third connecting port is arranged at the lower end of the third cavity;
the injection port of the injector is inserted into the first connecting port; the puncture needle head is inserted into the third connecting port; the axis of the injector, the shunt and the puncture needle are coaxial; one end of the infusion tube is arranged on the second connecting port, the infusion tube is communicated with the inside of the shunt, and the other end of the infusion tube is communicated with the liquid collecting bag; the end, close to the second connecting port, of the infusion tube is provided with a clamping piece; the clamping piece is a plastic clamp which is manually opened and closed.
The utility model has the beneficial effects that: the utility model provides a disposable novel puncture needle for a diagnosis stage, which improves and innovates the original equipment, is suitable for the belly vertical puncture in puncture diagnosis, has simple operation, convenient use, saves cost and greatly reduces the treatment expense and the operation time of patients.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is a cross-sectional view of the shunt when body fluid is discharged.
Fig. 3 is a cross-sectional view of the shunt when body fluid is withdrawn.
FIG. 4 is a cross-sectional view A-A.
Fig. 5 is a cross-sectional view of a gravity block.
In the figure: 1. the syringe, 2, the shunt, 21, first connecting port, 22, second connecting port, 23, third connecting port, 24, first die cavity, 25, second die cavity, 26, third die cavity, 27, boss, 3, puncture needle, 4, gravity block, 41, inner core, 42, outer membrane, 43, guide post, 5, transfer line, 6, liquid collecting bag, 7, clamping piece.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes in further detail the embodiments of the present utility model with reference to the accompanying drawings: the disposable novel puncture needle for the diagnosis stage comprises a syringe 1, a shunt 2, a puncture needle head 3, a transfusion tube 5 and a liquid collecting bag 6, wherein the shunt 2 is a cylinder, a first cavity 24, a second cavity 25 and a third cavity 26 are sequentially arranged in the shunt from top to bottom, the axes of the first cavity 24, the second cavity 25 and the third cavity 26 are coaxial, the first cavity 24 and the third cavity 26 are hollow cylinders, and the diameter of the first cavity 24 is larger than that of the third cavity 26; the second cavity 25 is in a circular taper hole structure, the diameter of the upper end of the second cavity is equal to that of the first cavity 24, and the diameter of the lower end of the second cavity is equal to that of the third cavity 26; the upper end of the second cavity 25 is communicated with the first cavity 24, and the lower end of the second cavity 25 is communicated with the third cavity 26; a plurality of bosses 27 are arranged at the joint of the first cavity 24 and the second cavity 25, and the bosses 27 are uniformly distributed on the inner wall at the joint of the first cavity 24 and the second cavity 25; the boss 27 and the shunt 2 are integrally formed by injection molding; a gravity block 4 is arranged below the boss 27, the lower end of the gravity block 4 is a round table, the diameter of the bottom surface of the gravity block 4 is larger than the diameter of the lower end of the second cavity 25 and smaller than the diameter of the upper end of the second cavity 25, and the side wall of the gravity block 4 is matched with the inner wall of the second cavity 25; the inside of the gravity block 4 is a metal inner core 41, the outside of the inner core 41 is wrapped with a soft outer film 42, a guide column 43 in the vertical direction is arranged at the center of the top surface of the round table of the gravity block 4, the guide column 43 penetrates through a middle gap between the bosses 27, and the density of the gravity block 4 is greater than that of body fluid; in the actual use process, the inner core 41, the outer film 42 and the guide post 43 are of an integrated structure, and the overall density and the gravity center of the gravity block 4 can be changed by changing the size and the position of the inner core 41, so that the gravity center of the gravity block 4 is kept down as much as possible; the outer film 42 and the guide post 43 are of an integrated structure, the diameter of the guide post 43 is not larger than the middle gap between the bosses 27, and the guide post 43 can slide up and down in the middle gap of the bosses 27 to play a role in positioning; the upper end of the first cavity 24 is provided with a first connecting port 21; a second connecting port 22 is arranged on one side of the flow divider 2, and the second connecting port 22 is communicated with the middle part of the first cavity 24; a third connecting port 23 is arranged at the lower end of the third cavity 26; the injection port of the injector 1 is inserted in the first connection port 21; the puncture needle head 3 is inserted into the third connecting port 23; the injector 1 is a medical injector with scale display, and the puncture needle head 3 is a puncture needle conforming to medical standards; the axes of the injector 1, the shunt 2 and the puncture needle 3 are coaxial; one end of the infusion tube 5 is arranged on the second connecting port 22, the infusion tube 5 is communicated with the inside of the shunt 2, and the other end of the infusion tube 5 is communicated with the liquid collecting bag 6; the end of the infusion tube 5, which is close to the second connecting port 22, is provided with a clamping piece 7; the clamping piece 7 is a plastic clamp which is manually opened and closed, and the clamping piece 7 has the function of being convenient for opening or closing the infusion tube 5 at any time in the using process; in the actual use process, when body fluid is extracted, the gravity block 4 is attached to the lower end face of the boss 27 under the action of suction force, a certain gap exists between the boss 27 and the boss 27, and the body fluid flows through the shunt 2 from the gap between the bosses 27 and then enters the injector 1 (as shown in fig. 3); when the body fluid is discharged, the gravity block 4 falls down under the action of gravity to be attached to the inner wall of the lower end of the second cavity 25, and when the syringe 1 is pressed, the gravity block 4 is blocked in the channel of the second cavity 25 (as shown in fig. 2) under the action of pressure, so that the body fluid is prevented from flowing back into the body, and after the body fluid in the syringe 1 flows into the shunt 2, the body fluid flows into the fluid collecting bag 6 through the second connection port 22.
The application process of the utility model is as follows: when a patient needs to puncture and draw liquid, the patient is kept at a correct position, the puncture needle 3 is pricked into the part of the patient body which needs to draw liquid in the vertical direction by using the device, the clamping piece 7 is closed, the injection tube of the injector 1 is drawn out, the gravity block 4 is attached to the lower end face of the boss 27 under the action of suction force, and body fluid flows into the injector 1 from a gap between the bosses 27 after passing through the puncture needle 3; then the clamping piece 7 is opened, the injection tube of the injector 1 is pressed, and at the moment, the gravity block 4 is blocked in the channel of the second cavity 25, so that body fluid is prevented from flowing back into the body; the body fluid in the injector 1 flows into the shunt 2, enters the infusion tube 5 through the second connecting port 22, and finally flows into the liquid collecting bag 6 through the infusion tube 5; if necessary, the above operations can be repeated, and the body fluid can be sequentially withdrawn from the patient.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
The utility model is not described in detail in the prior art.
Claims (4)
1. A novel disposable pjncture needle for diagnosis stage, includes syringe (1), shunt (2), pjncture needle (3), transfer line (5) and album liquid bag (6), characterized by: the diverter (2) is a cylinder, a first cavity (24), a second cavity (25) and a third cavity (26) are sequentially formed in the diverter from top to bottom, the axes of the first cavity (24), the second cavity (25) and the third cavity (26) are coaxial, the first cavity (24) and the third cavity (26) are hollow cylinders, and the diameter of the first cavity (24) is larger than that of the third cavity (26); the second cavity (25) is of a circular taper hole structure, the diameter of the upper end of the second cavity is equal to that of the first cavity (24), and the diameter of the lower end of the second cavity is equal to that of the third cavity (26); the upper end of the second cavity (25) is communicated with the first cavity (24), and the lower end of the second cavity (25) is communicated with the third cavity (26); a plurality of bosses (27) are arranged at the joint of the first cavity (24) and the second cavity (25), and a gravity block (4) is arranged below the bosses (27); the upper end of the first cavity (24) is provided with a first connecting port (21); a second connecting port (22) is arranged on one side of the flow divider (2), and the second connecting port (22) is communicated with the middle part of the first cavity (24); a third connecting port (23) is arranged at the lower end of the third cavity (26);
the injection port of the injector (1) is inserted into the first connecting port (21); the puncture needle head (3) is inserted into the third connecting port (23); one end of the infusion tube (5) is arranged on the second connecting port (22), the infusion tube (5) is communicated with the inside of the shunt (2), and the other end of the infusion tube (5) is communicated with the liquid collecting bag (6); the end, close to the second connecting port (22), of the infusion tube (5) is provided with a clamping piece (7);
the gravity block (4) is a round table, the bottom surface diameter of the gravity block (4) is larger than the lower end diameter of the second cavity (25) and smaller than the upper end diameter of the second cavity (25), and the side wall of the gravity block (4) is matched with the inner wall of the second cavity (25); the inside of the gravity block (4) is a metal inner core (41), the outside of the inner core (41) is wrapped with an outer film (42) made of soft materials, a guide column (43) in the vertical direction is arranged in the center of the top surface of the gravity block (4), the guide column (43) penetrates through a middle gap between the bosses (27), and the density of the gravity block (4) is greater than that of body fluid.
2. A disposable novel puncture needle for a diagnostic phase according to claim 1, characterized in that: the axis of the injector (1), the shunt (2) and the puncture needle (3) are coaxial.
3. A disposable novel puncture needle for a diagnostic phase according to claim 1, characterized in that: the bosses (27) are uniformly distributed on the inner wall of the joint of the first cavity (24) and the second cavity (25); the distance between the bosses (27) is smaller than the diameter of the gravity block (4); the boss (27) and the shunt (2) are integrally formed by injection molding.
4. A disposable novel puncture needle for a diagnostic phase according to claim 1, characterized in that: the clamping piece (7) is a plastic clamp which is manually opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315728.4U CN219835634U (en) | 2023-05-29 | 2023-05-29 | Disposable novel puncture needle for diagnosis stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315728.4U CN219835634U (en) | 2023-05-29 | 2023-05-29 | Disposable novel puncture needle for diagnosis stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219835634U true CN219835634U (en) | 2023-10-17 |
Family
ID=88300770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321315728.4U Active CN219835634U (en) | 2023-05-29 | 2023-05-29 | Disposable novel puncture needle for diagnosis stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219835634U (en) |
-
2023
- 2023-05-29 CN CN202321315728.4U patent/CN219835634U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |