CN219207213U - Disposable visual endoscope injection needle under supersound - Google Patents
Disposable visual endoscope injection needle under supersound Download PDFInfo
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- CN219207213U CN219207213U CN202223304488.6U CN202223304488U CN219207213U CN 219207213 U CN219207213 U CN 219207213U CN 202223304488 U CN202223304488 U CN 202223304488U CN 219207213 U CN219207213 U CN 219207213U
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Abstract
The utility model relates to a disposable ultrasonic visible endoscope injection needle, wherein an inner tube is arranged in an outer tube, the proximal end of the outer tube is connected with a handle system, the distal end of the outer tube is provided with a metal protection sheath, the proximal end of the inner tube is connected with a pushing device of the handle system, and the distal end of the inner tube is connected with an injection needle; the outer wall of the injection needle is provided with an ultrasonic visible reflection area, and the ultrasonic visible reflection area is distributed on the outer wall of the injection needle. The utility model can realize clear development of the endoscope injection needle under ultrasonic guidance, and can realize accurate positioning of the needle tip of the disposable endoscope injection needle and improve the accuracy and safety in the treatment process by arranging the metal protective sheath visible under ultrasonic on the outer tube and arranging the ultrasonic visible reflection area on the injection needle head. Thereby greatly simplifying the operation process, effectively shortening the operation time, reducing the operation difficulty and the operation risk, and reducing the occurrence risks of failed injection, excessive bleeding, various complications and the like in the operation process.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable visible endoscope injection needle under ultrasound.
Background
Gastrointestinal hemorrhage is a common digestive system disease in clinic, and life can be endangered for serious patients. Portal hypertension refers to a pathological state in which portal circulation is blocked or portal blood flow is excessive due to various reasons, and portal pressure is continuously increased, and esophageal gastric varices rupture and bleeding are one of main complications, and are clinically common acute severe, acute onset, large bleeding amount, rapid progress, hemorrhagic shock can occur in a short time, prognosis is poor, recurrence is easy, and mortality is high. In the case of acute blood volume, the surrounding space is already completely filled with blood, and bleeding points cannot be observed using an endoscope, which is needed to aid in exploration. Through the high-frequency ultrasonic probe, not only can the varicose veins on the surface of the mucous membrane be peeped, but also the blood vessels and folds can be accurately distinguished, and the blood vessels, side branch circulation and surrounding tissue structures in the deep part of the mucous membrane can be inspected, so that the varicose vein treatment effect is improved, the bleeding points of the submucosa can be accurately and efficiently judged, and the varicose veins and the submucosa focus of the stomach can be identified.
The disposable endoscope injection needle is a common medical instrument matched with an endoscope to perform digestive system injection treatment, is widely applicable to operations such as gastroscopy, polyp and tumor excision under enteroscopy, mucous membrane excision, varicose vein medical glue embolism and the like in the digestive system department, and becomes an indispensable important instrument.
The injection needles for the disposable endoscopes in the current market are matched with a common endoscope, the outer tube is made of plastic, and whether the outer tube extends out of the biopsy channel cannot be observed in the inserting process when the injection needles are matched with an ultrasonic endoscope. The needle points are all stainless steel needle points with smooth outer walls, when an ultrasonic endoscope is used for probing, ultrasonic waves are projected on the outer walls of the needle points to form mirror reflection, the number of formed sound beams is small, the sound waves which can be received by the probe are small, the development under the ultrasonic waves is difficult, the needle points cannot be accurately observed due to unclear display of the needle points in an ultrasonic image, and the needle points cannot be accurately pricked into target blood vessels under the mucous membrane under the guidance of the ultrasonic waves, so that the injection difficulty is greatly increased. The length of the needle point is 4-6mm, and the needle point can not be touched when the focus is positioned in a submucosal deep blood vessel.
Therefore, it is desirable to provide a single use ultrasonic visualization endoscopic needle that allows the endoscopic needle to be viewed under ultrasonic equipment, allowing for precise positioning of the needle tip of the single use endoscopic needle.
Disclosure of Invention
Therefore, the utility model aims to provide a disposable ultrasonic visible endoscope injection needle, which realizes the accurate positioning of the endoscope injection needle under ultrasonic equipment and improves the accuracy and safety of operation by arranging an ultrasonic visible ring belt of a metal protective sheath and an ultrasonic visible reflecting area on an injection needle.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the disposable ultrasonic visible endoscope injection needle comprises a handle system, an outer tube, an inner tube and an injection needle, wherein the inner tube is arranged in the outer tube, the proximal end of the outer tube is connected with the handle system, the distal end of the outer tube is provided with a metal protection sheath, the proximal end of the inner tube is connected with a pushing device of the handle system, and the distal end of the inner tube is connected with the injection needle; an ultrasonic visible reflection area is arranged on the outer wall of the injection needle, and the outer wall of the injection needle is fully distributed in the ultrasonic visible reflection area. The metal protective sheath is an ultrasonic visual ring belt, and when the endoscope injection needle is matched with an ultrasonic endoscope to enter a human body, the extension condition of the outer tube can be accurately observed, so that the visibility of the outer tube is enhanced. The ultrasonic visible reflection area of the injection needle forms an ultrasonic reflection enhancement structure to form an ultrasonic high-echo reflection surface. When the ultrasonic wave is projected at the bottom of the ultrasonic visible reflection area, the ultrasonic wave is emitted through the reflection surface, so that the acoustic beam is scattered in multiple angles and multiple ranges, the brightness of the injection needle head is larger than the contrast of surrounding tissues, the development is enhanced, the image is clear, the position of the injection needle head can be accurately observed, the accurate positioning of the needle point of the injection needle for the disposable endoscope is realized, and the accuracy and the safety in the treatment process are improved. The inner tube is internally provided with injection liquid, and the injection liquid can be accurately injected to the focus part through accurate positioning.
Preferably, the ultrasonic visible reflection area is an annular concave point which is arranged on the outer wall of the injection needle in parallel and equidistantly, and the axial section of the annular concave point is in an inverted trapezoid or semicircle.
In another preferred mode, the ultrasonic visible reflection area is a spiral concave point which is spirally arranged on the outer wall of the injection needle, and the axial section of the spiral concave point is in an inverted trapezoid or semicircle.
In another preferred mode, the ultrasonic visible reflection area is an annular groove, the annular grooves are arranged on the outer wall of the injection needle in parallel and equidistantly, and the cross section of the annular groove is in an inverted trapezoid shape or a semicircular shape.
In another preferred mode, the ultrasonic visible reflection area is a spiral groove, the spiral groove is spirally arranged on the outer wall of the injection needle, and the cross section of the spiral groove is in an inverted trapezoid or semicircle.
In another preferred mode, the ultrasonic visible reflection area is a cross groove, the cross groove is formed by two spiral grooves with opposite directions which are arranged on the outer wall of the injection needle in a crossing mode, and the cross section of the cross groove is in an inverted trapezoid shape or a semicircular shape.
In another preferred mode, the ultrasonic visible reflection area is an irregular pit or groove, and the axial section of the pit and the cross section of the groove are inverted trapezoids or semi-circles.
The inner side wall of the annular concave point, the spiral concave point, the annular groove, the spiral groove, the crossed groove or the irregular concave point or the groove forms an ultrasonic enhanced reflection area, so that sound beams are scattered in multiple angles and multiple ranges, the image is clarified by enhanced development, the position of the needle point of the injection needle can be accurately observed, and the accurate positioning is realized.
Preferably, the length of the injection needle extending out of the metal protective sheath is 10mm-30mm, and the length of the metal protective sheath is 10mm-100mm. The injection needle is longer than the existing injection needle for the disposable endoscope in extension length, can be injected to the lesion part of the submucosa, is helpful to the blood vessel in the mucosa and is also effective to the blood vessel outside the stomach wall. The metal protective sheath and the injection needle can be visible under ultrasound, double guarantee is achieved on accurate positioning of the endoscope injection needle, and surgical risks can be effectively reduced.
Preferably, the inner tube and the outer tube are PP, PE, PTFE, PEBAX or TPU, and the injection needle and the metal protective sheath are stainless steel.
The beneficial effects of the utility model are as follows:
by adopting the technical scheme, the utility model realizes clear development of the endoscope injection needle under ultrasonic guidance, and realizes accurate positioning of the needle tip of the disposable endoscope injection needle by arranging the metal protective sheath visible under ultrasonic on the outer tube and arranging the ultrasonic visible reflecting area on the injection needle head, thereby improving the accuracy and safety in the treatment process. Thereby greatly simplifying the operation process, effectively shortening the operation time, reducing the operation difficulty and the operation risk, and reducing the occurrence risks of failed injection, excessive bleeding, various complications and the like in the operation process.
The foregoing description is only an overview of the present utility model, and it is to be understood that it is intended to provide a more clear understanding of the technical means of the present utility model and to enable the technical means to be carried out in accordance with the contents of the specification, while at the same time providing a more complete understanding of the above and other objects, features and advantages of the present utility model, and one or more preferred embodiments thereof are set forth below, together with the detailed description given below, along with the accompanying drawings.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 shows a schematic view of the overall structure of a single-use ultrasonic endoscope injection needle according to the present utility model.
Fig. 2 shows a schematic structural view of an embodiment of the injection needle of the disposable ultrasonic endoscope injection needle of the present utility model.
Fig. 3 shows a schematic diagram of a second embodiment of the needle of the single-use ultrasonic endoscope of the present utility model.
Fig. 4 shows a three-dimensional schematic view of an embodiment of an injection needle of a single-use ultrasonic endoscope injection needle of the present utility model.
Fig. 5 shows a schematic view of a fourth embodiment of the needle of the single-use ultrasonic visual endoscope of the present utility model.
Fig. 6 shows a schematic view of a fifth embodiment of the needle of the single-use ultrasonic visual endoscope of the present utility model.
The main reference numerals illustrate:
1-syringe needle, 11-annular concave point, 12-spiral concave point, 13-annular groove, 14-spiral groove, 15-cross groove, 2-metal protective sheath, 3-inner tube, 4-outer tube, 5-handle system.
Detailed Description
The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or other components.
Spatially relative terms, such as "below," "beneath," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element's or feature's relationship to another element's or feature's in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the article in use or operation in addition to the orientation depicted in the figures. For example, if the article in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" may encompass both a direction of below and a direction of above. The article may have other orientations (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, a disposable ultrasonic visible endoscope injection needle comprises a handle system 5, an outer tube 4, an inner tube 3 and an injection needle 1, wherein the inner tube 3 is arranged in the outer tube 4, the proximal end of the outer tube 4 is connected with the handle system 5, the distal end of the outer tube 4 is provided with a metal protection sheath 2, the proximal end of the inner tube 3 is connected with a pushing device of the handle system 5, and the distal end of the inner tube 3 is connected with the injection needle 1; an ultrasonic visible reflection area is arranged on the outer wall of the injection needle 1, and the outer wall of the injection needle 1 is fully distributed in the ultrasonic visible reflection area.
The inner tube 3 and the outer tube 4 are made of PP, PE, PTFE, PEBAX or TPU, and the injection needle 1 and the metal protective sheath 2 are made of stainless steel. The metal protective sheath 2 is an ultrasonic visual ring belt, and when the endoscope injection needle is matched with an ultrasonic endoscope to enter a human body, the extension condition of the outer tube 4 can be accurately observed, so that the visibility of the outer tube is enhanced. The ultrasonic visible reflection area of the injection needle 1 forms an ultrasonic reflection enhancing structure to form an ultrasonic high-echo reflection surface. When the ultrasonic wave is projected at the bottom of the ultrasonic visible reflection area, the ultrasonic wave is emitted through the reflection surface, so that the acoustic beam is scattered in multiple angles and multiple ranges, the brightness of the injection needle 1 is larger than the contrast of surrounding tissues, the development is enhanced, the image is clear, the position of the injection needle 1 can be accurately observed, the accurate positioning of the needle point of the injection needle for the disposable endoscope is realized, and the accuracy and the safety in the treatment process are improved. The inner tube 3 is filled with injection liquid, and the injection liquid can be accurately injected to the focus part through accurate positioning.
The length of the injection needle 1 extending out of the metal protection sheath 2 is 10mm-30mm, and the length of the metal protection sheath 2 is 10mm-100mm. The injection needle 1 has a longer extension length than the existing injection needle for a disposable endoscope, and can be injected into a lesion site of submucosa, thereby being helpful for blood vessels in the mucosa and blood vessels outside the stomach wall. The metal protective sheath 2 and the injection needle 1 can be visible under ultrasound, double guarantee is realized on the accurate positioning of the endoscope injection needle, and the operation risk can be effectively reduced.
Example 1
As shown in fig. 2, the ultrasonic visible reflection area is an annular concave point 11, the annular concave points 11 are arranged on the outer wall of the injection needle 1 in parallel and equidistantly, and the axial section of the annular concave point 11 is in an inverted trapezoid or semicircle shape.
Example two
As shown in fig. 3, the ultrasonic visible reflection area is a spiral concave point 12, the spiral concave point 12 is spirally arranged on the outer wall of the injection needle 1, and the axial section of the spiral concave point 12 is in an inverted trapezoid or semicircle.
Example III
As shown in fig. 4, the ultrasonic visible reflection area is an annular groove 13, the annular groove 13 is arranged on the outer wall of the injection needle 1 in parallel and equidistantly, and the cross section of the annular groove 13 is in an inverted trapezoid or semicircle.
Example IV
As shown in fig. 5, the ultrasound visible reflection area is a spiral groove 14, the spiral groove 14 is spirally arranged on the outer wall of the injection needle 1, and the cross section of the spiral groove 14 is in an inverted trapezoid or semicircle shape.
Example five
As shown in fig. 6, the ultrasound visible reflection area is a cross groove 15, the cross groove 15 is formed by two spiral grooves with opposite directions which are arranged on the outer wall of the injection needle 1 in a crossing way, and the cross section of the cross groove 15 is in an inverted trapezoid shape or a semicircle shape.
Example six
The ultrasonic visible reflection area is an irregular concave point or groove, and the cross section of the shaft section of the concave point and the cross section of the groove are inverted trapezoids or semi-circles.
The annular pits 11, the spiral pits 12, the annular grooves 13, the spiral grooves 14, the crossed grooves 15 or the inner side walls of the irregular pits or grooves form an ultrasonic enhanced reflection area, so that sound beams are scattered in multiple angles and multiple ranges, the image is clarified by enhanced development, the position of the needle point of the injection needle 1 can be accurately observed, and the accurate positioning is realized.
The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. Any simple modifications, equivalent variations and modifications of the above-described exemplary embodiments should fall within the scope of the present utility model.
Claims (9)
1. The disposable ultrasonic visible endoscope injection needle is characterized by comprising a handle system (5), an outer tube (4), an inner tube (3) and an injection needle (1), wherein the inner tube (3) is arranged in the outer tube (4), the proximal end of the outer tube (4) is connected with the handle system (5), the distal end of the outer tube (4) is provided with a metal protection sheath (2), the proximal end of the inner tube (3) is connected with a pushing device of the handle system (5), and the distal end of the inner tube (3) is connected with the injection needle (1);
an ultrasonic visible reflection area is arranged on the outer wall of the injection needle (1), and the outer wall of the injection needle (1) is fully distributed in the ultrasonic visible reflection area.
2. The disposable ultrasonic endoscope injection needle according to claim 1, wherein the ultrasonic visible reflection area is an annular concave point (11), the annular concave points (11) are arranged on the outer wall of the injection needle (1) at equal intervals in parallel, and the axial section of the annular concave point (11) is in an inverted trapezoid shape or a semicircular shape.
3. The disposable ultrasonic endoscope injection needle according to claim 1, wherein the ultrasonic visible reflection area is a spiral concave point (12), the spiral concave point (12) is spirally arranged on the outer wall of the injection needle (1), and the axial section of the spiral concave point (12) is in an inverted trapezoid or semicircle shape.
4. The disposable ultrasonic endoscope injection needle according to claim 1, wherein the ultrasonic visible reflection area is an annular groove (13), the annular groove (13) is arranged on the outer wall of the injection needle (1) in parallel and equidistantly, and the cross section of the annular groove (13) is in an inverted trapezoid shape or a semicircular shape.
5. The disposable ultrasonic endoscope injection needle according to claim 1, wherein the ultrasonic visible reflection area is a spiral groove (14), the spiral groove (14) is spirally arranged on the outer wall of the injection needle (1), and the cross section of the spiral groove (14) is in an inverted trapezoid or semicircle shape.
6. The disposable ultrasonic endoscope injection needle according to claim 1, wherein the ultrasonic visible reflection area is a cross groove (15), the cross groove (15) is formed by two spiral grooves with opposite directions which are arranged on the outer wall of the injection needle (1) in a crossing way, and the cross section of the cross groove (15) is in an inverted trapezoid shape or a semicircular shape.
7. The single use endoscopic injection needle of claim 1, wherein said ultrasound visible reflection area is an irregular pit or groove, and the cross section of the pit and groove is inverted trapezoid or semicircle.
8. A single use endoscopic syringe needle under ultrasound according to any of claims 2 to 7, characterised in that the length of the needle (1) extending beyond the metal sheath (2) is 10mm-30mm, the length of the metal sheath (2) is 10mm-100mm.
9. A disposable ultrasonic endoscope injection needle according to claim 8, characterized in that the inner tube (3) and the outer tube (4) are made of PP, PE, PTFE, PEBAX or TPU, and the injection needle (1) and the metal protective sheath (2) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304488.6U CN219207213U (en) | 2022-12-09 | 2022-12-09 | Disposable visual endoscope injection needle under supersound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223304488.6U CN219207213U (en) | 2022-12-09 | 2022-12-09 | Disposable visual endoscope injection needle under supersound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219207213U true CN219207213U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223304488.6U Active CN219207213U (en) | 2022-12-09 | 2022-12-09 | Disposable visual endoscope injection needle under supersound |
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| Country | Link |
|---|---|
| CN (1) | CN219207213U (en) |
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- 2022-12-09 CN CN202223304488.6U patent/CN219207213U/en active Active
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