Visual injection or sampling needle head

Abstract

The utility model provides a visible injection or sampling needle head, including needle seat, needle tube, one-way rubber plug and hose, the inner cavity of needle seat is provided with three-way structure, the upper end of needle seat is provided with an upper outlet, the lower end of needle seat is provided with a lower outlet joint, the side surface of needle seat is provided with a side outlet joint, the needle tube is arranged at one end of needle seat, and the one-way rubber plug is connected with the one-way rubber plug. The one-way rubber plug is arranged at an upper outlet of the needle seat, the hose is further arranged on the side face of the needle seat, a central channel of the hose is communicated with an inner cavity of the needle seat, a valve protruding downwards is arranged in the middle of the one-way rubber plug, a cross-shaped notch is formed in the center of the valve, and the cross-shaped notch is communicated with the hose. The small probe penetrates through the sheath hole formed by the needle tube to obtain an image of a lesion position, a doctor is helped to analyze and judge whether an injection position is reasonable and accurate or not, the needle does not need to be pulled out during injection, the injection effect can be continuously observed after injection, and the diagnosis accuracy and the injection reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a visual injection or sampling needle. Background Technology

[0002] As a common medical device, the injectable needle is a precision instrument used in the medical field, widely applied in various medical procedures such as drug injection, blood collection, and intravenous infusion. Needles are typically made of materials such as stainless steel, featuring a sharp tip and appropriate hardness to ensure easy penetration of skin and tissue. Depending on the application and requirements, injectable needles are available in various specifications and models, such as needles of different lengths, diameters, and bevels, to suit different injection sites and drug types. Furthermore, with the continuous development of medical technology, new types of injectable needles, such as visual needles and safety needles, are gradually being applied clinically to improve injection accuracy and safety, and to obtain graphical information of the injection site for diagnostic purposes. Utility Model Content

[0003] The purpose of this invention is to provide a visual injection or sampling needle that can obtain image information of the lesion without removing the needle when sampling or injecting drugs, thereby helping doctors make a diagnosis and improving the accuracy of the injection site.

[0004] The technical solution adopted by the above-mentioned utility model is as follows: a visual injection or sampling needle, including a needle hub, a needle tube, a one-way rubber stopper and a flexible tube. The inner cavity of the needle hub is configured with a three-way structure. The upper end of the needle hub is provided with an upper outlet, the lower end of the needle hub is provided with a lower outlet connector, and the side of the needle hub is provided with a side outlet connector. The needle tube is provided at one end of the needle hub, the one-way rubber stopper is provided at the upper outlet of the needle hub, and the flexible tube is also provided on the side of the needle hub. The central channel of the flexible tube communicates with the inner cavity of the needle hub. The one-way rubber stopper has a downwardly protruding flap in the middle, and the center of the flap has a cross-shaped incision.

[0005] Furthermore, the needle tube is disposed at the lower outlet connector.

[0006] Furthermore, an insertion tube is provided inside the needle holder, one end of which is fixedly connected to an insertion tube handle, and an optical probe is provided at the front end of the insertion tube.

[0007] Furthermore, the insertion tube is configured as an elongated shape, and the optical probe is provided with a photosensitive element and an illumination element. The diameters of both the insertion tube and the optical probe are smaller than the inner cavity of the needle seat, and the diameters of both the insertion tube and the optical probe are also smaller than the inner hole of the needle tip.

[0008] Furthermore, an image display terminal is provided at the other end of the insertion tube handle.

[0009] Furthermore, a syringe is provided at the end of the tubing away from the needle hub.

[0010] Furthermore, the included angle between the upper outlet and the side outlet is α, wherein the included angle α is greater than 0° and less than 180°.

[0011] This invention uses a tiny probe inserted through the sheath formed by the needle tube to obtain an image of the lesion, helping doctors analyze it and determine whether the injection site is appropriate and accurate. This visual injection or sampling needle allows the needle to be inserted into the relevant part of the patient's body. After the doctor obtains an image of the needle tip through the insertion tube to determine the lesion site, there is no need to remove the needle when sampling or injecting drugs. After the doctor injects the drug, the injection effect can be observed through the insertion tube. This allows the doctor to switch between observing the lesion site and injecting drugs without removing the needle, thus preventing deviations between the observation site and the injection site, improving the accuracy of diagnosis and the reliability of injection. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the first embodiment of the present utility model;

[0013] Figure 2 This is a schematic diagram of the needle holder in the first embodiment of the present invention;

[0014] Figure 3 This is a schematic diagram of the unidirectional rubber stopper in the first embodiment of this utility model;

[0015] Figure 4 This is a schematic diagram of the insertion tube in the first embodiment of the present invention;

[0016] Figure 5 This is a schematic diagram of the upper outlet and the side outlet in the first embodiment of this utility model;

[0017] Figure 6 This is a schematic diagram of the syringe connection in the first embodiment of this utility model.

[0018] Explanation of key component symbols:

[0019] Needle hub 1 upper exit 101 Side outlet connector 102 Lower outlet connector 103 Side exit 104 syringe 2 One-way rubber stopper 3 Membrane flap 301 cross cut 302 hose 4 solid rubber stopper 5 Insertion tube 6 Insert tube handle 601 Optical probe 602 Image display terminal 7 syringe 8

[0020] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0021] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0022] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] See appendix Figure 1 To be continued Figure 6 The figure shows a specific embodiment of a visual injection or sampling needle provided by the utility model.

[0025] See appendix Figure 1 A visual injection or sampling needle includes a needle hub 1, a needle tube 2, a one-way rubber stopper 3, and a flexible tube 4. The inner cavity of the needle hub 1 is configured with a three-way structure. The upper end of the needle hub 1 is provided with an upper outlet 101, the lower end of the needle hub 1 is provided with a lower outlet connector 103, and the side of the needle hub 1 is provided with a side outlet connector 102. The needle tube 2 is located at one end of the needle hub 1. The one-way rubber stopper 3 is located at the upper end of the needle hub 1. The flexible tube 4 is also provided on the side of the needle hub 1. The central channel of the flexible tube 4 communicates with the inner cavity of the needle hub 1. The one-way rubber stopper 3 has a downwardly protruding flap 301 in the middle. The flap 301 has a cross-shaped incision 302 in the center. The one-way rubber stopper 3 is provided to simplify the operation. A solid rubber stopper 5 can also be used. When inserting the probe for observation, the solid rubber stopper can be removed. When injecting, it can be used to seal the upper outlet 101. This can also complete the conversion between observation and injection states, but it increases the complexity of the operation and may increase the patient's pain.

[0026] See appendix Figure 1 and attached Figure 2In the above embodiment, the needle tube 2 is disposed at the lower outlet connector 103. By disposing of the lower outlet connector 103, the needle tube 2 can be connected to the lower outlet connector 103, which also facilitates the doctor's injection and observation.

[0027] See appendix Figure 4 In the above embodiment, the needle holder 1 is provided with an insertion tube 6. One end of the insertion tube 6 is fixedly connected to an insertion tube handle 601. An optical probe 602 is provided at the front end of the insertion tube 6. By setting the insertion tube 6, when the needle tube 2 is inserted into the patient's subcutaneous tissue, the optical probe 602 passes through the one-way rubber stopper 3, the inner cavity of the needle holder 1 and the inner hole of the needle tube 2 to reach the needle tip. The image signal obtained by the optical probe 602 passes through the insertion tube handle 601 to the rear display terminal. After the image lens processes it, it is displayed on the screen.

[0028] See appendix Figure 4 In the above embodiment, the insertion tube 6 is configured as a long and thin shape, and the optical probe 602 is provided with a photosensitive element and an illumination element. The diameters of the insertion tube 6 and the optical probe 602 are both smaller than the inner cavity of the needle holder 1, and the diameters of the insertion tube 6 and the optical probe 602 are also smaller than the inner hole of the needle. By configuring the insertion tube 6 as a long and thin shape, it is convenient for the insertion tube 6 to enter the needle holder 1 and the needle tube 2, and the image of the patient's lesion is transmitted and displayed through the optical probe 602.

[0029] See appendix Figure 4 In the above embodiment, the other end of the insertion tube handle 601 is provided with an image display terminal 7. By providing the image display terminal 7, doctors can conveniently observe the patient's lesion site in real time through the image display terminal 7.

[0030] See appendix Figure 6 In the above embodiment, a syringe 8 is provided at the end of the tubing 4 away from the needle hub 1. When the tubing 4 is inserted from above, it will push open the cross-shaped incision 302 and pass through the rubber stopper. When the pressurized liquid enters below the flap 301, the cross-shaped incision 302 is in a closed state. The pressure from the liquid below causes the flap 301 to deform upward, and the interface of the incision is squeezed, thereby preventing the liquid from passing through. This ensures that the injected liquid can only be delivered to the lesion through the needle tube 2. The tubing 4 for injecting the liquid is provided for ease of operation in some situations and is not mandatory. The needle tube 2 and the side outlet connector 102 can also be directly connected to complete the injection.

[0031] See appendix Figure 2 In the above embodiment, the included angle between the upper outlet 101 and the side outlet 104 is α, the included angle α is greater than 0° and the included angle α is less than 180°, but the coaxiality of the center line of the upper outlet 101 and the needle tube 2 is conducive to the passage of the probe insertion tube 6.

[0032] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A visual injection or sampling needle comprising a hub (1), a needle cannula (2), a one-way rubber bung (3) and a hose (4), characterised in that: The inner cavity of the needle seat (1) is provided with a three-way structure, the upper end of the needle seat (1) is provided with an upper outlet (101), the lower end of the needle seat (1) is provided with a lower outlet connector (103), the side of the needle seat (1) is provided with a side outlet connector (102), the needle tube (2) is arranged at one end of the needle seat (1), the one-way rubber plug (3) is arranged at the upper outlet (101) of the needle seat (1), the side of the needle seat (1) is further provided with the hose (4), the central passage of the hose (4) is communicated with the inner cavity of the needle seat (1), the one-way rubber plug (3) is provided with a downwardly protruding membrane valve (301) in the middle, the center of the membrane valve (301) is provided with a cross-shaped cut (302).

2. A visual injection or sampling needle according to claim 1, characterized in that: The needle tube (2) is arranged in the lower outlet connector (103).

3. A visual injection or sampling needle according to claim 1, characterized in that: The needle seat (1) is provided with an insertion tube (6), one end of the insertion tube (6) is fixedly connected with an insertion tube handle (601), and the front end of the insertion tube (6) is provided with an optical probe (602).

4. A visual injection or sampling needle according to claim 3, wherein: The insertion tube (6) is provided in an elongated shape, the optical probe (602) is provided with a photosensitive element and an illuminating element, the diameters of the insertion tube (6) and the optical probe (602) are both smaller than the inner cavity of the needle seat (1), and the diameters of the insertion tube (6) and the optical probe (602) are both smaller than the inner hole of the needle.

5. A visual injection or sampling needle according to claim 3, wherein: The other end of the insertion tube handle (601) is provided with an image display terminal (7).

6. A visual injection or sampling needle according to claim 1, characterized in that: The end of the hose (4) away from the needle seat (1) is provided with a syringe (8).

7. A visual injection or sampling needle according to claim 1, wherein: The included angle between the upper outlet (101) and the side outlet (104) is α, the included angle α is greater than 0°, and the included angle α is less than 180°.

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