CN211301511U - Nondestructive puncture guide needle - Google Patents
Nondestructive puncture guide needle Download PDFInfo
- Publication number
- CN211301511U CN211301511U CN201921946855.8U CN201921946855U CN211301511U CN 211301511 U CN211301511 U CN 211301511U CN 201921946855 U CN201921946855 U CN 201921946855U CN 211301511 U CN211301511 U CN 211301511U
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- CN
- China
- Prior art keywords
- needle
- injection
- puncture
- injection tube
- medicine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 claims abstract description 73
- 239000007924 injection Substances 0.000 claims abstract description 73
- 239000003814 drug Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 13
- 241000894006 Bacteria Species 0.000 claims description 6
- 238000001802 infusion Methods 0.000 abstract description 14
- 239000003292 glue Substances 0.000 abstract description 6
- 241000233866 Fungi Species 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 244000241796 Christia obcordata Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000004003 subcutaneous fat Anatomy 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000002512 chemotherapy Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a not damaged puncture guide needle, concretely relates to medical auxiliary instrument technical field, including the needle file, the top surface middle part of needle file is provided with the cover seat, and the bottom of needle file installs the drum portion, the one end of cover seat is connected with the syringe, the syringe includes the injection tube, the circumference side outer wall of injection tube is equipped with the scale mark, and one side of injection tube is provided with the injection mouth, the injection tube sets up to the integral type structure with the injection mouth. The utility model provides a needle body of extension pjncture needle is longer, and it is comparatively obvious to break through the sense, and when needs use, injection mouth and cover seat match, can install syringe and needle file, can realize pressing the injection pole to the simple installation of syringe, slide between the piston block on the injection pole and the injection way, and the front end of syringe needle is curved, is difficult to destroy and hinders the fungus flexible glue, has solved the operation dumb, and the puncture does not have the sense of breaking through, is difficult to judge whether the puncture gets into the internal problem in infusion port.
Description
Technical Field
The utility model relates to a medical treatment auxiliary instrument technical field, more specifically says, the utility model relates to a not damaged puncture guide needle.
Background
An atraumatic needle for a port is a type of infusion needle specifically designed for a port and generally consists of a butterfly wing portion and a needle body portion perpendicular to the plane of the butterfly wing portion. When the medical needle is used, the needle body part is usually vertically penetrated into the infusion port, then the butterfly wing part is attached to the skin of a patient person, the non-damage needle is fixed, the infusion port is set to be fixed in the body of the patient person, the non-damage needle is used by puncturing the anti-bacteria soft rubber when infusion is needed, the non-damage needle is extracted from the anti-bacteria soft rubber when infusion is not needed, and the compact soft rubber structure can instantly squeeze the gap of the extracted non-damage needle.
The utility model discloses a non-destructive needle group for venous transfusion harbor, which comprises a base and a puncture needle assembly which are connected with each other, wherein the base comprises a shell, a soft plug and a sleeve which are coaxially arranged, a transfusion channel is arranged in the shell, the transfusion channel is communicated with a hollow part of the sleeve, the soft plug is used for blocking an upper opening of the shell, the puncture needle assembly comprises a needle seat and a puncture needle fixed below the needle seat, and the end part of the puncture needle punctures the soft plug; this vein infusion port is with not damaged needle group prevents effectively that the not damaged needle from guaranteeing the normal use of apparatus to the cutting of the fungus flexible glue that hinders of infusion port when the puncture, from having avoided the production of unnecessary medical malpractice at all.
However, in actual use, the method still has more defects, such as inflexible operation when the subcutaneous fat of a patient is thick, no breakthrough feeling in puncture, difficulty in judging whether the atraumatic needle is inserted into the port body of the infusion port when blood is not returned in the process of drawing back, and influence on the operation because the pipeline is connected to the rear half part.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the utility model discloses an implementation provides a not damaged puncture guide needle, its needle body is longer, it is comparatively obvious to break through the sense, be particularly useful for the thicker patient of subcutaneous fat, can guide ordinary not damaged needle puncture and get into infusion port diaphragm, when needs use, injection mouth and cover seat match, can install syringe and needle file, can realize the simple installation to the syringe, press down the injection pole, slide between piston block on the injection pole and the injection way, and sealing performance is good, the front end of syringe needle is curved, be difficult to destroy and hinder the fungus flexible glue, can use repeatedly same patient, in order to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a non-traumatic puncture guide needle comprises a needle base, wherein a sleeve seat is arranged in the middle of the top surface of the needle base, a cylindrical part is arranged at the bottom end of the needle base, and one end of the sleeve seat is connected with a syringe;
the syringe includes the injection tube, the circumference side outer wall of injection tube is equipped with the scale mark, and one side of injection tube is provided with the injection mouth, the injection tube sets up the integral type structure with the injection mouth, and the inside of injection tube is provided with the injection way, the internally mounted of injection tube has the injection pole, the one end fixedly connected with piston piece of injection pole, and the other end of injection pole is provided with the ejector pad, the inner wall sliding connection of piston piece and injection tube.
In a preferred embodiment, the hub is matched with the injection port, and the hub and the needle seat are arranged in a one-piece structure.
In a preferred embodiment, the bottom end of the cylindrical part is provided with an extension puncture needle, and the bottom of the extension puncture needle is provided with an infusion port.
In a preferred embodiment, the tip of the elongate puncture needle is fixedly connected with the needle seat, and a flow passage is arranged inside the elongate puncture needle.
In a preferred embodiment, the bottom end of the lengthened puncture needle is fixedly connected with a needle head, and the shape of the needle head is set to be curved.
In a preferred embodiment, the bottom end of the needle is provided with a drug outlet which is communicated with the flow passage.
In a preferred embodiment, the transfusion port comprises a shell, a bacteria-resistant soft rubber, a liquid medicine flow channel and a medicine cavity, wherein the medicine cavity is arranged in the shell, and the liquid medicine flow channel is arranged on one side of the shell.
In a preferred embodiment, the surface of the shell is provided with a soft bacteria-blocking glue near the top of the medicine cavity, and the medicine cavity is communicated with the liquid medicine flow passage.
The utility model discloses a technological effect and advantage:
the utility model provides a puncture guide needle's needle body is longer, it is comparatively obvious to break through the sense, when needs use, injection mouth and cover seat match, can install syringe and needle file, can realize the simple installation to the syringe, press down the injection pole, slide between piston block on the injection pole and the injection way, and sealing performance is good, the front end of syringe needle is curved, be difficult to destroy and hinder the fungus flexible glue, can be to same patient repetitious usage, compared with the prior art, the operation dumb has been solved, the puncture does not have the sense of breaching, be difficult to judge when the no blood return of pumpback whether the puncture gets into the internal problem in infusion harbor, be particularly useful for the thick patient of subcutaneous fat. In addition, for the patient in the chemotherapy intermittence period, the puncture guide needle can also be used for tube flushing maintenance, and due to the fact that the needle body is longer, compared with a common atraumatic needle, the puncture guide needle is easier to puncture into a diaphragm of an infusion port, and tube flushing maintenance is simpler and more convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the syringe of the present invention.
Fig. 3 is a schematic view of the structure of the transfusion port of the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the lengthened puncture needle of the present invention.
Fig. 5 is a sectional view of the lengthened puncture needle of the utility model.
The reference signs are: 1 transfusion port, 101 casing, 102 bacteria-resistant soft rubber, 103 liquid medicine flow channel, 104 medicine cavity, 2 needle stand, 3 sleeve stand, 4 cylinder part, 5 medicine outlet, 6 injector, 7 medicine injection port, 8 injection cylinder, 9 graduation lines, 10 injection channel, 11 push block, 12 injection rod, 13 piston block, 14 lengthened puncture needle, 15 pinhead, 16 flow channel.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model relates to a not damaged puncture guide needle of embodiment, including needle file 2, its characterized in that: a sleeve seat 3 is arranged in the middle of the top end surface of the needle seat 2, a cylindrical part 4 is arranged at the bottom end of the needle seat 2, and one end of the sleeve seat 3 is connected with an injector 6;
further, the injector 6 includes the injection tube 8, the circumference side outer wall of the injection tube 8 is equipped with scale mark 9, and one side of the injection tube 8 is provided with injection mouth 7, the injection tube 8 sets up to the integral type structure with injection mouth 7, and the inside of the injection tube 8 is provided with injection channel 10, the internally mounted of the injection tube 8 has injection rod 12, the one end fixedly connected with piston block 13 of injection rod 12, and the other end of injection rod 12 is provided with ejector pad 11, the inner wall sliding connection of piston block 13 and injection tube 8.
Further, the sleeve seat 3 is matched with the medicine injection port 7, and the sleeve seat 3 and the needle seat 2 are arranged to be of an integrated structure.
Further, a lengthened puncture needle 14 is arranged at the bottom end of the cylindrical part 4, and the transfusion port 1 is arranged at the bottom of the lengthened puncture needle 14.
Further, the top end of the prolonged puncture needle 14 is fixedly connected with the needle seat 2, and a flow channel 16 is arranged inside the prolonged puncture needle 14.
Further, a needle head 15 is fixedly connected to the bottom end of the lengthened puncture needle 14, and the shape of the needle head 15 is curved.
Further, a medicine outlet 5 is arranged at the bottom end of the needle 15, and the medicine outlet 5 is communicated with the flow passage 16.
Further, the transfusion port 1 comprises a shell 101, bacteria-resistant soft rubber 102, a liquid medicine flow channel 103 and a medicine cavity 104, wherein the medicine cavity 104 is arranged in the shell 101, and the liquid medicine flow channel 103 is arranged on one side of the shell 101.
Furthermore, the surface of the shell 101 near the top of the medicine cavity 104 is provided with a soft bacteria-blocking glue 102, and the medicine cavity 104 is communicated with the liquid medicine flow channel 103.
Referring to the attached fig. 1-5 of the specification, the implementation scenario is specifically as follows: when in actual use, the lengthened puncture needle 14 is inserted into the bacteria-resistant soft rubber 102 in the transfusion port 1, the drainage of the liquid medicine in the lengthened puncture needle 14 can be ensured, as the needle body of the lengthened puncture needle 14 is longer, the breakthrough feeling is more obvious, when in use, as the medicine injection port 7 is matched with the sleeve seat 3, the injector 6 and the needle seat 2 can be installed, the simple installation of the injector 6 can be realized, the push block 11 on the injection rod 12 is pressed, the piston block 13 on the injection rod 12 slides with the injection channel 10, the sealing performance is good, the liquid medicine reaches the sleeve seat 3 through the medicine injection port 7, then enters the medicine outlet 5 through the flow channel 16 and further enters the transfusion port 1, other parts are not required to be additionally arranged for fixing the liquid medicine, the operation is flexible, the use is convenient, the lengthened puncture needle can be used for guiding puncture, and can also be used for maintenance (only maintenance during chemotherapy or intravenous transfusion is not required), after the lengthened puncture needle 14 is used, the needle head 15 is pulled out, and the front end of the needle head 15 is bent, so that the bacterium blocking soft rubber 102 is not easy to damage, and the lengthened puncture needle can be used for the same patient for multiple times.
The utility model discloses a theory of operation:
referring to the attached drawings 1, 4 and 5 of the specification, as the needle body of the lengthened puncture needle 14 is longer, the breakthrough feeling is more obvious, when the lengthened puncture needle needs to be used, the medicine injection port 7 is matched with the sleeve seat 3, the injector 6 can be installed with the needle seat 2, the injector 6 can be simply installed, the injection rod 12 is pressed, the piston block 13 on the injection rod 12 slides with the injection channel 10, the sealing performance is good, the front end of the needle head 15 is bent, the bacterium-blocking soft rubber 102 is not easy to damage, the lengthened puncture needle can be used for multiple times for the same patient, and the problems that the operation is not flexible, the puncture does not have breakthrough feeling, and whether the puncture needle enters the port 1 of the infusion port is difficult to judge are solved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a not damaged puncture guide needle, includes needle file (2), its characterized in that: a sleeve seat (3) is arranged in the middle of the top end surface of the needle seat (2), a cylindrical part (4) is installed at the bottom end of the needle seat (2), and one end of the sleeve seat (3) is connected with an injector (6);
syringe (6) are including injection tube (8), the circumference side outer wall of injection tube (8) is equipped with scale mark (9), and one side of injection tube (8) is provided with injection mouth (7), injection tube (8) set up to the integral type structure with injection mouth (7), and the inside of injection tube (8) is provided with injection way (10), the internally mounted of injection tube (8) has injection pole (12), the one end fixedly connected with piston piece (13) of injection pole (12), and the other end of injection pole (12) is provided with ejector pad (11), the inner wall sliding connection of piston piece (13) and injection tube (8).
2. The atraumatic puncture guide needle of claim 1, wherein: the sleeve seat (3) is matched with the medicine injection port (7), and the sleeve seat (3) and the needle seat (2) are arranged into an integrated structure.
3. The atraumatic puncture guide needle of claim 1, wherein: the bottom end of the cylindrical part (4) is provided with a lengthened puncture needle (14), and the bottom of the lengthened puncture needle (14) is provided with a transfusion port (1).
4. The atraumatic puncture guide needle of claim 3, wherein: the top end of the lengthened puncture needle (14) is fixedly connected with the needle seat (2), and a flow channel (16) is arranged in the lengthened puncture needle (14).
5. The atraumatic puncture guide needle of claim 4, wherein: the bottom end of the lengthened puncture needle (14) is fixedly connected with a needle head (15), and the shape of the needle head (15) is set to be curved.
6. The atraumatic puncture guide needle of claim 5, wherein: the bottom end of the needle head (15) is provided with a medicine outlet (5), and the medicine outlet (5) is communicated with the flow passage (16).
7. The atraumatic puncture guide needle of claim 3, wherein: the transfusion port (1) comprises a shell (101), bacteria-resistant soft rubber (102), a liquid medicine flow channel (103) and a medicine cavity (104), wherein the medicine cavity (104) is arranged in the shell (101), and the liquid medicine flow channel (103) is arranged on one side of the shell (101).
8. The atraumatic puncture guide needle of claim 7, wherein: the surface of the shell (101) is provided with a bacterium-blocking soft rubber (102) close to the top of the medicine cavity (104), and the medicine cavity (104) is communicated with the liquid medicine flow channel (103).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921946855.8U CN211301511U (en) | 2019-11-12 | 2019-11-12 | Nondestructive puncture guide needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921946855.8U CN211301511U (en) | 2019-11-12 | 2019-11-12 | Nondestructive puncture guide needle |
Publications (1)
Publication Number | Publication Date |
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CN211301511U true CN211301511U (en) | 2020-08-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921946855.8U Expired - Fee Related CN211301511U (en) | 2019-11-12 | 2019-11-12 | Nondestructive puncture guide needle |
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CN (1) | CN211301511U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117883658A (en) * | 2024-03-18 | 2024-04-16 | 苏州林华医疗器械股份有限公司 | Safety transfusion port with compression-resistant structure |
-
2019
- 2019-11-12 CN CN201921946855.8U patent/CN211301511U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117883658A (en) * | 2024-03-18 | 2024-04-16 | 苏州林华医疗器械股份有限公司 | Safety transfusion port with compression-resistant structure |
CN117883658B (en) * | 2024-03-18 | 2024-06-04 | 苏州林华医疗器械股份有限公司 | Safety transfusion port with compression-resistant structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 |