Ultrasonic developing injection needle
By designing the development area on the endoscopic injection needle and using ultrasonic endoscopic development technology, the problem of inaccurate positioning of the injection needle under the endoscopic is solved, precise syringe positioning and real-time monitoring are achieved, and the success rate of surgery and patient comfort are improved.
Patent Information
- Application Number
- CN202422265814.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing endoscopic injection needles lack precise positioning ability, which makes it difficult to clearly observe the positional relationship between the needle tip and the target object under the endoscopy, which increases the risk of inaccurate puncture and accidental injury to surrounding tissues, especially when deep tissue operations are performed.
An ultrasonic development injection needle is designed, including an outer tube assembly, an inner tube assembly and a needle tube. The peripheral wall of the needle tube is provided with a developing area. The development area under the ultrasonic endoscopy is identified to accurately locate the position of the needle tube. The development area can be an annular groove, a dot groove or a matte surface to enhance the ultrasonic reflected signal.
It improves the success rate of the operation, reduces the risk of surgery, reduces the pain and discomfort of patients, and improves the efficiency of surgical and the efficiency of medical resources.
Smart Images
Figure CN223248293U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical devices, in particular to an ultrasonic imaging injection needle. Background Art
[0002] In traditional endoscopic procedures, physicians use disposable endoscopic needles to inject medications or fillers into blood vessels or submucosal areas within the human body. However, these needles are typically simple in design, providing only basic injection functionality and lacking precise positioning capabilities. Under standard endoscopic imaging systems, these needles have low visibility, making it difficult for physicians to clearly observe the exact position of the needle tip relative to the target object.
[0003] This limitation is particularly pronounced when operating deep within tissues, as endoscopic images may not provide sufficient contrast to distinguish the injection needle from surrounding tissue. Consequently, during the actual injection process, physicians must rely on experience and feel to estimate the needle tip position, increasing the risk of inaccurate puncture and accidental injury to surrounding tissues.
[0004] With the advancement of medical technology, the demand for precise endoscopic procedures is growing, especially when treating tiny blood vessels or specific mucosal layers. Inaccurate injections can not only lead to poor treatment outcomes but also cause unnecessary pain and complications for patients. Therefore, improving the accuracy and maneuverability of endoscopic injection needles has become a critical technical requirement.
[0005] To address this issue, the medical community has begun exploring the use of ultrasound imaging technology to assist endoscopic procedures. Ultrasound imaging can provide deeper tissue information, including clear views of blood vessels and mucosa. Combined with endoscopic ultrasound, physicians can more accurately position the injection needle and target tissue, monitor the injection process in real time, and ensure treatment precision.
[0006] Although endoscopic ultrasound offers the potential for precision injection, existing single-use endoscopic needles are still insufficient in design and functionality to meet the high-precision clinical needs. Therefore, the invention of a new endoscopic needle that incorporates ultrasound imaging technology has significant clinical significance and potential for improving the safety and effectiveness of endoscopic procedures and reducing medical risks. Utility Model Content
[0007] One advantage of the present invention is that it provides an ultrasound imaging injection needle. With the help of an ultrasound endoscope, the needle tube can be clearly visualized, allowing the doctor to accurately see the relative position of the needle tube and the blood vessel or mucosa. This precise positioning technology greatly improves the success rate of the operation and reduces possible surgical risks.
[0008] Another advantage of the present invention is that it provides an ultrasound imaging injection needle. With the help of an ultrasound endoscope, the entire injection process can be clearly visible, and the doctor can monitor the flow of the drug in the human body in real time. This real-time monitoring function provides timely feedback to the doctor, enabling them to adjust the injection speed and depth as needed.
[0009] Another advantage of the present invention is that it provides an ultrasound imaging injection needle, the precise operation of which reduces unnecessary exploratory punctures, thereby reducing the patient's pain and discomfort, which not only improves the patient's comfort but also increases their trust in the medical process.
[0010] Another advantage of the present invention is that it provides an ultrasound imaging injection needle, the rapid and accurate injection technology of which reduces the time required for ultrasound endoscopic surgery and improves surgical efficiency. This efficiency improvement is not only beneficial to patients, but also optimizes the use of medical resources.
[0011] According to another aspect of the present invention, the present invention further provides an ultrasound imaging injection needle, the ultrasound imaging injection needle comprising:
[0012] an outer tube assembly;
[0013] an inner tube assembly having a through passage, the inner tube assembly being movably mounted within the outer tube assembly; and
[0014] A needle tube having a developing area provided on its peripheral wall. The needle tube is mounted at one end of the inner tube assembly and is connected to the through-channel. When the inner tube assembly is mounted within the outer tube assembly and placed in a natural human cavity under ultrasound imaging, the developing area of the needle tube is identified by ultrasound imaging to accurately locate the needle tube position.
[0015] According to an embodiment of the present invention, the developing area includes a plurality of annular grooves, and the annular grooves are evenly spaced along the peripheral wall of the needle tube.
[0016] According to an embodiment of the present invention, the developing area includes a plurality of dot-shaped grooves, and the dot-shaped grooves are evenly spaced along the peripheral wall of the needle tube.
[0017] According to an embodiment of the present invention, the developing area includes at least one frosted surface, and the frosted surface is provided on the peripheral wall of the needle tube.
[0018] According to one embodiment of the present invention, the outer tube assembly includes an outer tube and a front handle, one end of the outer tube is provided with an opening, and the other end is connected to the front handle; the inner tube assembly includes an inner tube and a liquid injection handle, the inner tube is connected to the liquid injection handle, the through channel extends from the liquid injection handle to the inner tube, and when the inner tube is installed on the outer tube, the liquid injection handle is installed on the front handle.
[0019] According to an embodiment of the present invention, the outer tube assembly further includes a protective cap, which is mounted on one end of the outer tube having an opening to limit movement of the needle tube.
[0020] According to one embodiment of the present invention, the inner tube assembly further has a liquid injection port, which is arranged at an end of the liquid injection handle away from the needle tube, so as to transfer liquid to the needle tube through the liquid injection port.
[0021] According to an embodiment of the present invention, the outer tube assembly further includes a sheath tube, and the sheath tube is disposed between the outer tube and the front handle.
[0022] According to another aspect of the present invention, the present invention further provides an ultrasound imaging injection needle, the ultrasound imaging injection needle comprising:
[0023] An outer tube assembly, the outer tube assembly comprising an outer tube and a front handle, one end of the outer tube being provided with an opening and the other end being connected to the front handle;
[0024] an inner tube assembly having a through passage, the inner tube assembly comprising an inner tube and a filling handle, the inner tube being connected to the filling handle, the through passage extending from the filling handle to the inner tube, the filling handle being mounted on the front handle when the inner tube is mounted on the outer tube; and
[0025] A needle tube having a developing area provided on its peripheral wall. The needle tube is mounted on an end of the inner tube away from the injection handle and is connected to the through-channel. When the inner tube assembly is mounted within the outer tube assembly and placed in a natural human cavity under ultrasound imaging, the developing area of the needle tube is identified by ultrasound imaging to accurately locate the position of the needle tube in a human blood vessel.
[0026] According to another embodiment of the present invention, the developing area includes at least one frosted surface, which is disposed on the peripheral wall of the needle tube and formed by laser or sandblasting.
[0027] Further objectives and advantages of the present invention will be fully reflected through understanding of the following description and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a schematic diagram of the overall structure and a partial enlargement of an ultrasound imaging injection needle according to the first preferred embodiment of the present utility model.
[0029] Figure 2 It is a partial cross-sectional structural schematic diagram of an ultrasound imaging injection needle according to the first preferred embodiment of the utility model.
[0030] Figure 3 It is an exploded view of the structure of an ultrasound imaging injection needle according to the first preferred embodiment of the utility model.
[0031] Figure 4 This is a schematic diagram of the installation process of an ultrasound imaging injection needle according to the first preferred embodiment of the present utility model.
[0032] Figure 5 This is a modified embodiment of a needle tube of an ultrasound imaging injection needle according to the first preferred embodiment of the present utility model.
[0033] Figure 6 This is another modified embodiment of a needle tube of an ultrasound imaging injection needle according to the first preferred embodiment of the present utility model. DETAILED DESCRIPTION
[0034] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.
[0035] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.
[0036] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity.
[0037] Example 1:
[0038] Reference Attachment Figure 1 To the attached Figure 4 As shown, an ultrasound imaging injection needle 1 according to a preferred embodiment of the present invention is schematically illustrated. The ultrasound imaging injection needle 1 comprises a needle tube 2, an outer tube assembly 3, and an inner tube assembly 4. The needle tube 2 is mounted on one end of the inner tube assembly 4 and communicates with the inner tube assembly 4. The inner tube assembly 4 is adapted to be mounted within the outer tube assembly 3. A developing area 21 is provided on the circumferential wall of the needle tube 2. When the ultrasound imaging injection needle 1 is placed in human tissue, ultrasound waves can easily identify the developing area 21, thereby locating the position of the needle tube 2. This allows the doctor to accurately see the relative position of the needle tube 2 and the blood vessel or mucosa. This precise positioning technology greatly improves the success rate of surgery and reduces possible surgical risks.
[0039] In detail, the outer tube assembly 3 includes an outer tube 31, a front handle 32, a protective cap 33 and a sheath tube 34. One end of the outer tube 31 is provided with an opening, and the other end is connected to the front handle 32. The protective cap 33 is installed on the end of the outer tube 31 with the opening, and the sheath tube 34 is arranged between the outer tube 31 and the front handle 32.
[0040] The outer tube 31 is slender and soft, with an arc-shaped front end. The protective cap 33 is placed on the arc-shaped end. The sheath tube 34 is installed between the outer tube 31 and the front handle 32 to strengthen the connection strength between the outer tube 31 and the front handle 32 to prevent the outer tube 31 and the front handle 32 from breaking.
[0041] When the inner tube assembly 4 together with the needle tube 2 enters the outer tube assembly 3, the protective cap 33 is arranged at the front end of the outer tube 31 to limit the movement of the needle tube 2. In other words, the end of the inner tube assembly 4 on which the needle tube 2 is installed is inserted into the outer tube 31 from the direction of the front handle 32. The needle tube 2 is restricted by the protective cap 33. The arc-shaped end of the outer tube 31 is suitable for entering the human body along the ultrasonic endoscope to prevent the needle tube 2 from causing accidental harm to the human body. When the outer tube 31 enters the predetermined position, the needle tube 2 can pass through the protective cap 33 and perform injection through the hole on the outer tube 31.
[0042] The inner tube assembly 4 includes an inner tube 41 and an injection handle 42 and has a through channel 44. The inner tube 41 is connected to the injection handle 42. The through channel 44 is arranged along the axial direction of the inner tube 41 and forms an injection port 43 on the injection handle 42. The needle tube 2 is installed in communication with the other end of the inner tube 41, that is, the end away from the injection handle 42.
[0043] It is understood that the medicine to be injected by the doctor enters the needle tube 2 from the injection port 43 along the through-channel 44 and is then injected into the patient's body. Through the imaging area 21 of the needle tube 2, the ultrasound imaging injection needle 1 can clearly visualize the entire injection process with the aid of an ultrasound endoscope, allowing the doctor to monitor the flow of the medicine in the human body in real time. This real-time monitoring function provides the doctor with timely feedback, allowing them to adjust the injection speed and depth as needed.
[0044] In particular, the imaging area 21 provided on the needle tube 2 includes a plurality of annular grooves 211, which are evenly spaced along the outer peripheral wall of the needle tube 2. It is understandable that the plurality of annular grooves 211 make the originally smooth surface of the needle tube 2 uneven, and the surface area of the outer peripheral wall of the needle tube 2 increases, so that the signal reflected under ultrasound is more obvious, thereby accurately helping the doctor locate the position of the needle tube 2. In other words, the needle tube 2 can be clearly visualized. More specifically, the needle tip of the needle tube 2 is clearly visualized, which allows the doctor to accurately see the relative position of the needle tube 2 and the blood vessel or mucosa. This precise positioning technology greatly improves the success rate of the operation and reduces possible surgical risks.
[0045] Reference Attachment Figure 4 , is a schematic diagram illustrating the installation process of the ultrasound imaging injection needle 1. During actual use, check the outer tube assembly 3 and the inner tube assembly 4 for bends, kinks, or damage. Push the injection handle 42 into the front handle 32, causing the inner tube 41 to enter the outer tube 31. Verify that the needle tube 2 extends from the front end of the protective cap 33. Pull back the injection handle 42 to confirm that the needle tube 2 is retracted into the protective cap 33.
[0046] Next, push the injection handle 42 to the end so that the needle tube 2 extends from the front end of the protective cap 33, connect the liquid medicine to the injection port 43 through the syringe, and push the syringe to empty the air until the liquid medicine flows out from the tip of the needle tube 2 and does not leak outside the needle tip.
[0047] An endoscope is inserted into a natural human cavity. The ultrasound-guided injection needle 1 reaches the target site through the endoscope's clamping port. Using the ultrasound endoscope, a suitable injection site is selected. The injection handle 42 is retracted again, retracting the needle tube 2 into the protective cap 33 to facilitate insertion of the outer tube 31 into the endoscope's port. The outer tube 31 is then slowly advanced until the protective cap 33 and needle tube 2 enter the endoscope's field of view. It is worth noting that the ultrasonic signals generated by the multiple annular grooves 211 at this point clearly indicate the position of the needle tube 2. This precise manipulation of the needle tube 2 reduces unnecessary exploratory punctures, thereby reducing pain and discomfort for the patient. This not only improves patient comfort but also increases their trust in the medical process. Furthermore, the entire injection process is clearly visible, allowing the physician to monitor the flow of the drug within the body in real time. This real-time monitoring function provides physicians with timely feedback, enabling them to adjust the injection speed and depth as needed.
[0048] Reference Attachment Figure 5 , is a modified embodiment of the needle tube 2 of the ultrasonic imaging injection needle 1 according to the first preferred embodiment of the present utility model. Different from the first embodiment, in this embodiment, the imaging area 21A of the needle tube 2A includes a plurality of dot-shaped grooves 212, and the dot-shaped grooves 212 are evenly spaced along the peripheral wall of the needle tube 2A and extend to cover the needle tip area of the needle tube 2A.
[0049] It can be understood that the multiple dot-shaped grooves 212 make the originally smooth surface of the needle tube 2A uneven, and the surface area of the outer peripheral wall of the needle tube 2A becomes larger, so that the signal reflected under ultrasound is more obvious, thereby accurately helping the doctor to locate the position of the needle tube 2A, that is, the needle tube 2A can be clearly developed. In more detail, the needle tip of the needle tube 2A is clearly developed, which allows the doctor to accurately see the relative position of the needle tube 2A and the blood vessels or mucosa. This precise positioning technology greatly improves the success rate of the operation and reduces possible surgical risks.
[0050] Reference Attachment Figure 6 , is a modified embodiment of the needle tube 2 of the ultrasonic imaging injection needle 1 according to the first preferred embodiment of the present utility model. Different from the first embodiment, in this embodiment, the imaging area 21B of the needle tube 2B includes a frosted surface 213, and the frosted surface 213 is arranged on the outer peripheral wall of the needle tube 2B and extends to cover the needle tip area of the needle tube 2B.
[0051] It can be understood that the frosted surface 213 makes the originally smooth surface of the needle tube 2B uneven, and the surface area of the outer peripheral wall of the needle tube 2B becomes larger, so that the signal reflected under ultrasound is more obvious, thereby accurately helping the doctor to locate the position of the needle tube 2B, that is, the needle tube 2B can be clearly developed. In more detail, the needle tip of the needle tube 2B is clearly developed, which allows the doctor to accurately see the relative position of the needle tube 2B and the blood vessel or mucosa. This precise positioning technology greatly improves the success rate of the operation and reduces possible surgical risks.
[0052] It is worth noting that the frosted surface 213 can be formed by laser or sandblasting. Those skilled in the art should understand that the formation of the frosted surface 213 includes but is not limited to the methods listed above.
[0053] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are intended only as examples and do not limit the present invention. The objectives of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.
Claims
1. An ultrasound imaging injection needle, characterized in that: include: an outer tube assembly; an inner tube assembly having a through passage, the inner tube assembly being movably mounted within the outer tube assembly; and A needle tube having a developing area provided on its peripheral wall. The needle tube is mounted at one end of the inner tube assembly and is connected to the through-channel. When the inner tube assembly is mounted within the outer tube assembly and placed in a natural human cavity under ultrasound imaging, the developing area of the needle tube is identified by ultrasound imaging to accurately locate the position of the needle tube in the blood vessel. 2 . The ultrasound imaging injection needle according to claim 1 , wherein the imaging area comprises a plurality of annular grooves, and the annular grooves are evenly spaced along the peripheral wall of the needle tube. 3 . The ultrasound imaging injection needle according to claim 1 , wherein the imaging area comprises a plurality of dot-shaped grooves, and the dot-shaped grooves are evenly spaced along the peripheral wall of the needle tube. 4 . The ultrasound imaging injection needle according to claim 1 , wherein the imaging area comprises at least one frosted surface, and the frosted surface is disposed on the peripheral wall of the needle tube.
5. The ultrasonic imaging injection needle according to any one of claims 1 to 4, wherein the outer tube assembly comprises an outer tube and a front handle, one end of the outer tube is provided with an opening, and the other end is connected to the front handle; the inner tube assembly comprises an inner tube and an injection handle, the inner tube is connected to the injection handle, the through channel extends from the injection handle to the inner tube, and when the inner tube is installed on the outer tube, the injection handle is installed on the front handle.
6. The ultrasound imaging injection needle according to claim 5, wherein the outer tube assembly further comprises a protective cap, wherein the protective cap is mounted on one end of the outer tube having the opening to limit movement of the needle tube.
7. The ultrasound imaging injection needle according to claim 6, wherein the inner tube assembly further comprises a liquid injection port, wherein the liquid injection port is arranged at an end of the liquid injection handle away from the needle tube, so as to transfer liquid to the needle tube through the liquid injection port.
8. The ultrasound imaging injection needle according to claim 7, wherein the outer tube assembly further comprises a sheath tube, wherein the sheath tube is disposed between the outer tube and the front handle.
9. An ultrasound imaging injection needle, characterized in that: include: An outer tube assembly, the outer tube assembly comprising an outer tube and a front handle, one end of the outer tube being provided with an opening and the other end being connected to the front handle; an inner tube assembly having a through passage, the inner tube assembly comprising an inner tube and a filling handle, the inner tube being connected to the filling handle, the through passage extending from the filling handle to the inner tube, the filling handle being mounted on the front handle when the inner tube is mounted on the outer tube; and A needle tube having a developing area provided on its peripheral wall. The needle tube is mounted on an end of the inner tube away from the injection handle and is connected to the through-channel. When the inner tube assembly is mounted within the outer tube assembly and placed in a natural human cavity under ultrasound imaging, the developing area of the needle tube is identified by ultrasound imaging to accurately locate the position of the needle tube in a human blood vessel. 10 . The ultrasound imaging injection needle according to claim 9 , wherein the imaging area comprises at least one frosted surface, the frosted surface is provided on the peripheral wall of the needle tube, and the frosted surface is formed by laser or sandblasting.