CN113425392B - Injection needle with multiple protections for endoscope - Google Patents
Injection needle with multiple protections for endoscope Download PDFInfo
- Publication number
- CN113425392B CN113425392B CN202110804205.5A CN202110804205A CN113425392B CN 113425392 B CN113425392 B CN 113425392B CN 202110804205 A CN202110804205 A CN 202110804205A CN 113425392 B CN113425392 B CN 113425392B
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- sleeve
- section
- sliding groove
- sliding
- salient point
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 230000004224 protection Effects 0.000 title claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
- A61B17/3496—Protecting sleeves or inner probes; Retractable tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The operation part of the injection needle for the endoscope with multiple protections consists of a front sleeve and a rear sleeve, wherein the front sleeve is hollow and tubular, and a first salient point and a second salient point are arranged on the inner wall of the front sleeve; the rear sleeve consists of a sliding section and a holding section, the cross section of the sliding section is drum-shaped, a first channel and a second channel are formed between the sliding section and the inner wall of the front sleeve, a first front sliding groove, a second front sliding groove, a first rear sliding groove and a second rear sliding groove which are arranged along the circumferential direction are also arranged on the sliding section, the first front sliding groove and the first rear sliding groove are communicated with the first channel when the rear end of the injection needle for the endoscope is observed forwards, and the second front sliding groove and the second rear sliding groove are communicated with the second channel; the injection needle for the endoscope further comprises a safety buckle, the cross section of the safety buckle is C-shaped, the inner side of the C-shaped is matched with the drum-shaped cross section of the sliding section in size, and the length of the safety buckle is matched with the sliding section.
Description
Technical Field
The invention relates to the field of minimally invasive surgical instruments, in particular to an injection needle for an endoscope with multiple protections.
Background
An endoscope is a tubular instrument equipped with a light channel that is required to be passed orally into the stomach or through other natural lumens into the human body. The endoscope can be used for seeing lesions which cannot be displayed by X-rays, so that the endoscope plays a very important role in diagnosis and treatment of diseases.
Conventional endoscopic needles of various types generally have an elongated insertion portion that is insertable into an endoscope channel and an operation portion connected to a proximal end of the insertion portion, and the insertion portion includes a double tube having an outer tube and an inner tube that is inserted into the outer tube in a retractable manner. The operation part performs an operation of advancing and retreating the outer tube, and a hollow needle is mounted at the front end of the inner tube.
After the needle is used, the needle is usually collected in a sharps recovery box for disposal, but during transportation or use, the inner tube and the outer tube of the existing needle are not provided with corresponding safety mechanisms to ensure that the needle cannot be suddenly excited, and the false firing of the needle is very easy to cause unnecessary damage.
Disclosure of Invention
The invention provides an injection needle for an endoscope with multiple protections, which aims to solve the problems that the needle head is easy to be suddenly excited and misdeveloped when the existing injection needle for the endoscope is transported or used.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an injection needle for endoscope with multiple protection, includes the insertion portion of inserting the endoscope passageway and connects in the operating portion of this insertion portion basic section, the insertion portion comprises outer tube and inner tube, the inner tube inserts in the outer tube with the mode of freely advancing and withdrawing, the front end of inner tube is equipped with the syringe needle, operating portion and outer tube fixed connection are in order to carry out the needle of advancing of inner tube and withdraw of needle operation, its characterized in that:
The operation part consists of a front sleeve and a rear sleeve, the front sleeve is hollow and tubular, a first salient point and a second salient point are arranged on the inner wall of the rear end of the front sleeve, and the first salient point and the second salient point are arranged around the circumference of the front sleeve;
the rear sleeve is also hollow and tubular, but is composed of a sliding section at the front end and a hand-held section at the tail end from the outside;
The sliding section is columnar, the outer diameter of the sliding section is matched with the inner diameter of the front sleeve, and the sliding section stretches into the rear end of the front sleeve, so that the rear sleeve can rotate and axially slide relative to the front sleeve, and the front sleeve has a forward extending working state and a backward shrinking working state relative to the rear sleeve; the two sides of the sliding section are respectively provided with an avoidance surface along the axial direction of the sliding section, so that the cross section of the sliding section is drum-shaped, a first avoidance space and a second avoidance space are formed between the two avoidance surfaces of the sliding section and the inner wall of the front sleeve, the first avoidance space is arranged corresponding to a first bump, the second avoidance space is arranged corresponding to a second bump, and the sliding section is further provided with a first front chute, a second front chute, a first rear chute and a second rear chute which are arranged along the circumferential direction; the first front sliding groove and the second front sliding groove are arranged at the front end of the sliding section and are respectively arranged at two sides of the drum-shaped waist, the first rear sliding groove and the second rear sliding groove are arranged at the rear end of the sliding section and are respectively arranged at two sides of the drum-shaped waist, the relative positions of the first front sliding groove and the second front sliding groove in the axial direction correspond to the positions of a first salient point and a second salient point when the front sleeve is in a forward extending working state relative to the rear sleeve, the first rear sliding groove and the second rear sliding groove correspond to the positions of the first salient point and the second salient point when the front sleeve is in a backward shrinking working state relative to the rear sleeve, the first front sliding groove and the second rear sliding groove are communicated with the first avoiding space, and when the front sleeve is in a forward extending working state relative to the rear sleeve, the front sleeve is operated to rotate relative to the rear sleeve, the first salient point is embedded and jogged with the second salient point and the second salient point is embedded with the second front sliding groove to lock the forward extending working state; when the front sleeve is in a retracted working state relative to the rear sleeve, the front sleeve is operated to rotate relative to the rear sleeve, the first protruding point is embedded and matched with the first rear sliding groove, and the second protruding point is embedded and embedded with the second rear sliding groove so as to lock the working state of the front sleeve and the rear sleeve.
Preferably, the safety buckle further comprises a safety buckle, the cross section of the safety buckle is C-shaped, the inner side of the C-shaped is matched with the drum-shaped cross section of the sliding section in size and shape, and the length of the safety buckle is matched with the sliding section.
Preferably, the front end of the sliding section is provided with two symmetrically arranged elastic pieces, the fixed end of each elastic piece is arranged at the front end, the free end of each elastic piece is arranged at the rear end, and the elastic pieces extend into the front sleeve beyond the first protruding points and the second protruding points.
Preferably, the front sleeve 1 is further provided with a threaded cap 13, and the threaded cap 13 is fixedly connected with the front end of the front sleeve 1 through threads.
Preferably, the first bump and/or the second bump are/is a bar.
Preferably, the first protruding point and the second protruding point are arranged on the same circumferential cross section of the inner wall of the front sleeve, the first front sliding groove and the second front sliding groove are arranged on the same circumferential cross section of the sliding section, and the first rear sliding groove and the second rear sliding groove are arranged on the same circumferential cross section of the sliding section.
Preferably, the safety buckle is provided with a handle.
Preferably, the two ends of the C shape are provided with protrusions, and the distance between the two ends of the C shape is larger than the height of the drum shape.
The design principle and the advantages of the invention are as follows:
1. The technical scheme is that two groups of sliding grooves are arranged, one group of front sliding groove and one group of rear sliding groove are used for fixing the protruding points at the front end and the rear end, when the protruding points are clamped in the front sliding groove, the needle is in a retracted state, when the protruding points are clamped in the rear sliding groove, the needle is in an extended state, (the technology of extending and retracting the needle is realized through the relative movement of the parts is the prior art, so that redundant description is omitted), the needle is effectively ensured not to suddenly retract when extending, and the needle is also ensured not to suddenly extend when retracting (during transportation).
2. The technical scheme is that the safety buckle is arranged, the convex points are clamped on the sliding section when the convex points are clamped on the front sliding groove, the safety buckle is firmly connected with the sliding section, the safety buckle cannot be directly taken down from the C-shaped notch due to the fact that the convex points are arranged at the two ends of the C-shaped safety buckle, the safety buckle is required to rotate 90 degrees (clockwise anticlockwise) around the sliding section, the drum-shaped notch is smaller than the C-shaped notch, the safety buckle can be smoothly taken down, double safety is guaranteed due to the design, and relative sliding cannot occur between the front sliding groove and the rear sliding groove.
3. The front sleeve and the rear sleeve in the technical scheme are rotationally connected around the central shaft through the buckle, when the safety buckle is rotationally taken down from the sliding section, the front sleeve and the rear sleeve are rotationally taken down, namely the convex points are released from the front sliding groove, the convex points enter the avoidance space after being released, the convex points can move in the channel and move to the rear sliding groove, the needle heads are rotationally embedded into the rear sliding groove, and the controllable safety of the needle heads is realized.
Drawings
FIG. 1 is a schematic illustration of an endoscopic needle with multiple protections according to the present invention;
FIG. 2 is a schematic perspective view of an endoscope injection needle with multiple protections according to the present invention;
FIG. 3 is a schematic view of the front and rear sleeves in a split configuration;
FIG. 4 is a schematic view of the first bump and the second bump being embedded in the first front chute and the second front chute (needle retracted state);
FIG. 5 is a schematic view of the first and second bumps being embedded in the first and second rear runners (needle extended state);
FIG. 6 is a schematic cross-sectional view of the safety catch being snapped into the slide section;
FIG. 7 is a schematic cross-sectional view of the safety catch snapped out of the slide section;
FIG. 8 is a schematic cross-sectional view of the skid section nested within the front sleeve;
Fig. 9 is a schematic cross-sectional view of the sliding section nested within the front sleeve (including the first front chute and the second front chute).
In the above figures: 1. a front sleeve; 11. a first bump; 12. a second bump; 13. a threaded cap; 2. a rear sleeve; 21. a spring plate; 22. a sliding section; 221. a first avoidance space; 222. a second avoidance space; 223. a first front chute; 224. a second front chute; 225. a first rear chute; 226. a second rear chute; 3. and a safety buckle.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
examples: injection needle with multiple protections for endoscope
As shown in fig. 1 to 9, an injection needle for an endoscope with multiple protections, comprising an insertion portion inserted into a channel of the endoscope and an operation portion connected to a base section of the insertion portion, the insertion portion being composed of an outer tube and an inner tube, the inner tube being inserted into the outer tube in a freely advancing and retreating manner, a needle being provided at a front end of the inner tube, the operation portion and the outer tube being fixedly connected to perform an operation of advancing and retreating the inner tube, characterized in that:
The operation part consists of a front sleeve 1 and a rear sleeve 2, the front sleeve 1 is hollow and tubular, a first salient point 11 and a second salient point 12 are arranged on the inner wall of the rear end of the front sleeve 1, and the first salient point 11 and the second salient point 12 are arranged around the circumference of the front sleeve 1;
The rear sleeve 2 is also hollow tubular, but is constituted by a sliding section 22 at the front end and a hand-held section 23 at the end, seen from the outside;
The sliding section 22 is columnar, the outer diameter of the sliding section is matched with the inner diameter of the front sleeve 1, the sliding section 22 stretches into the rear end of the front sleeve 1, and the rear sleeve 2 can rotate relative to the front sleeve 1 and slide along the axial direction, so that the front sleeve 1 has a forward stretching working state and a backward shrinking working state relative to the rear sleeve 2; the two sides of the sliding section 22 are respectively provided with an avoidance surface along the axial direction of the sliding section, so that the cross section of the sliding section 22 is drum-shaped, a first avoidance space 221 and a second avoidance space 222 are formed between the two avoidance surfaces of the sliding section 22 and the inner wall of the front sleeve 1, the first avoidance space 221 is arranged corresponding to the first salient point 11, the second avoidance space 222 is arranged corresponding to the second salient point 12, and the sliding section 22 is also provided with a first front sliding groove 223, a second front sliding groove 224, a first rear sliding groove 225 and a second rear sliding groove 226 which are arranged along the circumferential direction; the first front sliding groove 223 and the second front sliding groove 224 are arranged at the front end of the sliding section 22 and are respectively arranged at two sides of the drum-shaped waist, the first rear sliding groove 225 and the second rear sliding groove 226 are arranged at the rear end of the sliding section 22 and are respectively arranged at two sides of the drum-shaped waist, the relative positions of the first front sliding groove 223 and the second front sliding groove 224 in the axial direction are corresponding to the positions of the first salient point 11 and the second salient point 12 when the front sleeve 1 is in a forward extending working state relative to the rear sleeve 2, the first rear sliding groove 225 and the second rear sliding groove 226 are corresponding to the positions of the first salient point 11 and the second salient point 12 when the front sleeve 1 is in a backward extending working state relative to the rear sleeve 2, the first front sliding groove 223 and the first rear sliding groove 225 are communicated with the first avoiding space 221, the second front sliding groove 224 and the second rear sliding groove 226 are communicated with the second avoiding space 222, when the front sleeve 1 is in a forward extending working state relative to the rear sleeve 2, the first salient point 11 and the second salient point 12 are in a locking fit with the first salient point 223 and the second salient point 12 when the front sleeve 1 is in a forward extending working state; and when the front sleeve 1 is in a retracted working state relative to the rear sleeve 2, the front sleeve 1 is operated to rotate relative to the rear sleeve 2, the first protruding point 11 is embedded and matched with the first rear sliding groove 225, and the second protruding point 12 is embedded and matched with the second rear sliding groove 226 so as to lock the working state of the front sleeve 1 and the rear sleeve 2.
The safety buckle comprises a safety buckle 3, wherein the cross section of the safety buckle 3 is C-shaped, the inner side of the C-shaped is matched with the drum-shaped cross section of the sliding section 22 in size and shape, and the length of the safety buckle 3 is matched with the sliding section 22.
The front end of the sliding section 22 is provided with two symmetrically arranged elastic pieces 21, the fixed end of each elastic piece 21 is arranged at the front end, the free end of each elastic piece is arranged at the rear end, and the elastic pieces 21 extend into the front sleeve beyond the first protruding points 11 and the second protruding points 12.
The front sleeve 1 is also provided with a threaded cap 13, the threaded cap 13 is connected with the front end of the front sleeve 1 through threads, in the prior art, the injection needle also wraps an outer tube, and the rear end of the outer tube is fixed between the threaded cap 13 and the front end of the front sleeve 1 through threads.
The first bump 11 and/or the second bump 12 are/is a bar.
The first protruding point 11 and the second protruding point 12 are arranged on the same circumferential cross section of the inner wall of the front sleeve 1, the first front sliding chute 223 and the second front sliding chute 224 are arranged on the same circumferential cross section of the sliding section 22, and the first rear sliding chute 225 and the second rear sliding chute 226 are arranged on the same circumferential cross section of the sliding section 22.
The safety buckle 3 is provided with a handle.
The two ends of the C shape are provided with bulges, and the distance between the two ends of the C shape is larger than the height of the drum shape.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (6)
1. The utility model provides an injection needle for endoscope with multiple protection, includes the insertion portion of inserting the endoscope passageway and connects in the operating portion of this insertion portion basic section, the insertion portion comprises outer tube and inner tube, the inner tube inserts in the outer tube with the mode of freely advancing and withdrawing, the front end of inner tube is equipped with the syringe needle, operating portion and outer tube fixed connection are in order to carry out the needle of advancing of inner tube and withdraw of needle operation, its characterized in that:
the operation part consists of a front sleeve (1) and a rear sleeve (2), the front sleeve (1) is hollow and tubular, a first salient point (11) and a second salient point (12) are arranged on the inner wall of the rear end of the front sleeve (1), and the first salient point (11) and the second salient point (12) are arranged around the circumference of the front sleeve (1);
The rear sleeve (2) is also hollow and tubular, but is formed by a sliding section (22) at the front end and a hand-held section (23) at the tail end when seen from the outside;
The sliding section (22) is columnar, the outer diameter of the sliding section is matched with the inner diameter of the front sleeve (1), the sliding section (22) stretches into the rear end of the front sleeve (1), and the rear sleeve (2) can rotate relative to the front sleeve (1) and slide along the axial direction, so that the front sleeve (1) has a forward extending working state and a backward shrinking working state relative to the rear sleeve (2); the two sides of the sliding section (22) are respectively provided with an avoidance surface along the axial direction of the sliding section, so that the cross section of the sliding section (22) is drum-shaped, a first avoidance space (221) and a second avoidance space (222) are formed between the two avoidance surfaces of the sliding section (22) and the inner wall of the front sleeve (1), the first avoidance space (221) is arranged corresponding to the first salient point (11), the second avoidance space (222) is arranged corresponding to the second salient point (12), and the sliding section (22) is also provided with a first front sliding groove (223), a second front sliding groove (224), a first rear sliding groove (225) and a second rear sliding groove (226) which are arranged along the circumferential direction; the first front sliding groove (223) and the second front sliding groove (224) are arranged at the front end of the sliding section (22) and are respectively arranged at two sides of the drum-shaped waist, the first rear sliding groove (225) and the second rear sliding groove (226) are arranged at the rear end of the sliding section (22) and are respectively arranged at two sides of the drum-shaped waist, the relative positions of the first front sliding groove (223) and the second front sliding groove (224) in the axial direction correspond to the positions of a first salient point (11) and a second salient point (12) when the front sleeve (1) is in a forward extending working state relative to the rear sleeve (2), the first rear sliding groove (225) and the second rear sliding groove (226) correspond to the positions of the first salient point (11) and the second salient point (12) when the front sleeve (1) is in a backward shrinking working state relative to the rear sleeve (2), the second front sliding groove (224) and the second front sleeve (224) are communicated with a first space (221), the first salient point (2) is in a backward extending working state relative to the front sleeve (2) when the front sleeve (2) is in a backward extending working state relative to the front sleeve (2) and the front sleeve (2) is in a backward extending state, to lock the forward operating state; when the front sleeve (1) is in a retracted working state relative to the rear sleeve (2), the front sleeve (1) is operated to rotate relative to the rear sleeve (2), the first protruding point (11) is embedded and matched with the first rear sliding groove (225), and the second protruding point (12) is embedded and embedded with the second rear sliding groove (226) so as to lock the working state of the rear sleeve;
The safety buckle comprises a sliding section (22) and is characterized by further comprising a safety buckle (3), wherein the cross section of the safety buckle (3) is C-shaped, the inner side of the C-shaped is matched with the drum-shaped cross section of the sliding section (22) in size and shape, and the length of the safety buckle (3) is matched with the sliding section (22);
The front end of the sliding section (22) is provided with two symmetrically arranged elastic pieces (21), the fixed end of each elastic piece (21) is arranged at the front end, the free end of each elastic piece is arranged at the rear end, and each elastic piece (21) stretches into the front sleeve (1) beyond the first salient point (11) and the second salient point (12).
2. An injection needle for an endoscope according to claim 1, wherein: the front sleeve (1) is also provided with a threaded cap (13), and the threaded cap (13) is fixedly connected with the front end of the front sleeve (1) through threads.
3. An injection needle for an endoscope according to claim 1, wherein: the first bump (11) and/or the second bump (12) are/is strip-shaped.
4. An injection needle for an endoscope according to claim 1, wherein: the first protruding point (11) and the second protruding point (12) are arranged on the same circumferential cross section of the inner wall of the front sleeve (1), the first front sliding groove (223) and the second front sliding groove (224) are arranged on the same circumferential cross section of the sliding section (22), and the first rear sliding groove (225) and the second rear sliding groove (226) are arranged on the same circumferential cross section of the sliding section (22).
5. An injection needle for an endoscope according to claim 1, wherein: the safety buckle (3) is provided with a handle.
6. An injection needle for an endoscope according to claim 1, wherein: the two ends of the C shape are provided with bulges, and the distance between the two ends of the C shape is larger than the height of the drum shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804205.5A CN113425392B (en) | 2021-07-16 | 2021-07-16 | Injection needle with multiple protections for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804205.5A CN113425392B (en) | 2021-07-16 | 2021-07-16 | Injection needle with multiple protections for endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113425392A CN113425392A (en) | 2021-09-24 |
| CN113425392B true CN113425392B (en) | 2024-05-03 |
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ID=77760881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110804205.5A Active CN113425392B (en) | 2021-07-16 | 2021-07-16 | Injection needle with multiple protections for endoscope |
Country Status (1)
| Country | Link |
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| CN (1) | CN113425392B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005065865A (en) * | 2003-08-21 | 2005-03-17 | Sumitomo Bakelite Co Ltd | Injection needle for endoscope |
| JP2006180939A (en) * | 2004-12-24 | 2006-07-13 | Olympus Corp | Injection needle for endoscope |
| WO2012083690A1 (en) * | 2010-12-21 | 2012-06-28 | 苏州施莱医疗器械有限公司 | Improved safe and convenient disposable automatic blood collection needle |
| WO2014063344A1 (en) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | Integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN204601280U (en) * | 2015-04-24 | 2015-09-02 | 江苏安特尔医疗科技有限公司 | Shell fragment locking type disposable endoscope entry needle |
| CN112472242A (en) * | 2020-12-12 | 2021-03-12 | 常州安康医疗器械有限公司 | Endoscope puncture outfit convenient to it is clean |
| CN216148157U (en) * | 2021-07-16 | 2022-04-01 | 苏州朗特斯医疗科技有限公司 | Injection needle with multiple protection for endoscope |
-
2021
- 2021-07-16 CN CN202110804205.5A patent/CN113425392B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005065865A (en) * | 2003-08-21 | 2005-03-17 | Sumitomo Bakelite Co Ltd | Injection needle for endoscope |
| JP2006180939A (en) * | 2004-12-24 | 2006-07-13 | Olympus Corp | Injection needle for endoscope |
| WO2012083690A1 (en) * | 2010-12-21 | 2012-06-28 | 苏州施莱医疗器械有限公司 | Improved safe and convenient disposable automatic blood collection needle |
| WO2014063344A1 (en) * | 2012-10-26 | 2014-05-01 | Zhang Jianming | Integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN204601280U (en) * | 2015-04-24 | 2015-09-02 | 江苏安特尔医疗科技有限公司 | Shell fragment locking type disposable endoscope entry needle |
| CN112472242A (en) * | 2020-12-12 | 2021-03-12 | 常州安康医疗器械有限公司 | Endoscope puncture outfit convenient to it is clean |
| CN216148157U (en) * | 2021-07-16 | 2022-04-01 | 苏州朗特斯医疗科技有限公司 | Injection needle with multiple protection for endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113425392A (en) | 2021-09-24 |
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