CN113425392A - Injection needle with multiple protection for endoscope - Google Patents
Injection needle with multiple protection for endoscope Download PDFInfo
- Publication number
- CN113425392A CN113425392A CN202110804205.5A CN202110804205A CN113425392A CN 113425392 A CN113425392 A CN 113425392A CN 202110804205 A CN202110804205 A CN 202110804205A CN 113425392 A CN113425392 A CN 113425392A
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- Prior art keywords
- sliding groove
- sleeve
- section
- salient point
- sliding
- Prior art date
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- Granted
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- 238000002347 injection Methods 0.000 title claims abstract description 25
- 239000007924 injection Substances 0.000 title claims abstract description 25
- 230000004224 protection Effects 0.000 title claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 238000007373 indentation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 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
- 239000004576 sand Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Images
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
An injection needle with multiple protection for an endoscope comprises an operation part, a front sleeve and a rear sleeve, wherein the front sleeve is in a hollow tubular shape, and a first salient point and a second salient point are arranged on the inner wall of the front sleeve; the rear sleeve is composed of a sliding section and a handheld 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 are further arranged on the sliding section along the circumferential direction, the first front sliding groove and the first rear sliding groove are communicated with the first channel, and the second front sliding groove and the second rear sliding groove are communicated with the second channel when the rear end of the injection needle for the endoscope is observed forwards; the injection needle for the endoscope also comprises a safety catch, the cross section of the safety catch 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 catch is matched with that of the sliding section.
Description
Technical Field
The invention relates to the field of minimally invasive surgical instruments, in particular to an injection needle with multiple protections for an endoscope.
Background
An endoscope is a tube-mounted instrument equipped with a light channel and needs to enter the stomach through a mouth or enter the human body through other natural orifices. Since a lesion which cannot be visualized by X-ray can be seen by an endoscope, it plays a very important role in diagnosis and treatment of a disease.
A conventional multi-type endoscopic injection needle generally includes an elongated insertion portion insertable into an endoscope channel and an operation portion connected to a base end of the insertion portion, and the insertion portion includes a double tube including an outer tube and an inner tube inserted into the outer tube so as to be movable forward and backward. The operation part performs an operation of advancing and retreating the outer tube, and a hollow needle is attached to the tip of the inner tube.
After the injection needle is used, the needle is usually collected in a sharp recovery box to be processed, but in the transportation process or the use process before the use, for the injection needle which is already on the market, the inner tube and the outer tube are not provided with corresponding safety mechanisms to ensure that the needle is not suddenly excited, and the accidental triggering 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, and aims to solve the problems that a needle head is easy to be suddenly excited and is easily mistakenly sent when the existing injection needle for the endoscope is conveyed or used.
In order to achieve the purpose, the invention adopts the technical scheme that: an injection needle for an endoscope having multiple protections, comprising an insertion portion inserted into an endoscope channel and an operation portion connected to a base section of the insertion portion, wherein the insertion portion is composed of an outer tube and an inner tube, the inner tube is inserted into the outer tube so as to be freely advanced and retracted, a needle head is provided at a distal end of the inner tube, and the operation portion and the outer tube are fixedly connected to perform an operation of advancing and retracting the inner tube, characterized in that:
the operating 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 raised line and the second raised line 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 handheld section at the tail end when viewed 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 extends 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 retracting working state relative to the rear sleeve; two sides of the sliding section are respectively provided with an avoidance surface along the axial direction of the sliding section so as to enable the cross section of the sliding section to be 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 the first salient point, the second wall is arranged corresponding to the second salient point, and the sliding section is also provided with 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; 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 part, 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 part, the axial relative positions of the first front sliding groove and the second front sliding groove are arranged corresponding 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 axial relative positions of the first rear sliding groove and the second rear sliding groove are arranged corresponding to the positions of a first salient point and a second salient point when the front sleeve is in a backward retracting working state relative to the rear sleeve, the first front sliding groove and the first rear sliding groove are communicated with the first channel, the second front sliding groove and the second rear sliding groove are communicated with the second channel, so that 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 convex point is embedded and matched with the first front sliding groove, and the second convex point is embedded and embedded with the second front sliding groove so as to lock the forward extending working state; when the front sleeve is in a backward contraction working state relative to the rear sleeve, the front sleeve is operated to rotate relative to the rear sleeve, the first convex point is in embedded fit with the first backward sliding groove, and the second convex point is in embedded fit with the second backward sliding groove so as to lock the working states of the front sleeve and the rear sleeve.
Preferably, the safety catch further comprises a safety catch, the cross section of the safety catch is C-shaped, the size and the shape of the inner side of the C-shaped are matched with the drum-shaped cross section of the sliding section, and the length of the safety catch is matched with the sliding section.
Preferably, the front end of the sliding section is provided with two elastic sheets which are symmetrically arranged, the fixed ends of the elastic sheets are arranged at the front end, the free ends of the elastic sheets are arranged at the rear end, and the elastic sheets pass through the first salient points and the second salient points and extend into the front sleeve.
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 salient point and/or the second salient point are/is a strip-shaped body.
Preferably, the first protruding strip and the second protruding strip 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, a handle is arranged on the safety catch.
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. this technical scheme has set up two sets of spouts, spout and a set of back spout before a set of for the bump is fixed at front end and rear end, and when the bump clamped in the spout in the front, the syringe needle was the indentation state, and when the sand grip clamped in the spout in the back, the syringe needle was for stretching out the state, (because the relative movement through the part realizes that the syringe needle stretches out the technique of indentation and is prior art, so do not do the repeated description) effectual syringe needle of having guaranteed can not suddenly indentation when stretching out, has also guaranteed that the syringe needle can not suddenly stretch out when indentation (during the transportation).
2. This technical scheme has still set up the insurance and has detained, when the bump clamps in the front spout, the insurance is detained the card and is adorned on the section of slideing, form firm being connected with the section of slideing, owing to be equipped with the arch at the both ends of C shape, the insurance is detained and can't be directly taken off from the breach department of C shape, need detain around the section of slideing rotatory 90 (clockwise anticlockwise all can), the drum-shaped breach that is higher than C shape, the insurance is detained and just can be taken off smoothly, dual fail-safe has been guaranteed in such design, can not produce relative slip between preceding spout and the back spout.
3. Preceding sleeve pipe and back sleeve pipe pass through the buckle among this technical scheme and rotate around the center pin and connect, during the use, take off the insurance knot from the section rotation of sliding, the sleeve pipe around rotatory is about to be liberated in the bump in the spout in the past, and the bump is liberated the back and is got into and dodge the space, and the bump just can move in the passageway, moves back spout department, in the spout after the rotatory embedding, and the syringe needle stretches out, realizes the controllable insurance of syringe needle.
Drawings
FIG. 1 is a complete schematic view of an endoscopic injection needle with multiple protections according to the present invention;
FIG. 2 is a perspective view of an endoscopic injection needle with multiple protections according to the present invention;
FIG. 3 is a schematic diagram showing the front and rear sleeves disassembled;
FIG. 4 is a schematic view of the first salient point and the second salient point being embedded in the first front sliding groove and the second front sliding groove (retracted state of the needle head);
FIG. 5 is a schematic view of the first and second bumps being embedded in the first and second rear chutes (needle extended state);
FIG. 6 is a schematic cross-sectional view of a safety clip mounted on the runner section;
FIG. 7 is a schematic cross-sectional view of the safety catch shown in section from the runner section;
FIG. 8 is a schematic cross-sectional view of the skid section nested within the front bushing;
figure 9 is a schematic cross-sectional view of the runner section nested within the front sleeve (including the first front runner and the second front runner).
In the above drawings: 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. a safety catch.
Detailed Description
The invention is further described with reference to the following figures and examples:
example (b): injection needle with multiple protection for endoscope
As shown in fig. 1 to 9, an injection needle for an endoscope having multiple protections, comprising an insertion portion inserted into an endoscope channel and an operation portion connected to a base portion of the insertion portion, wherein the insertion portion is composed of an outer tube and an inner tube, the inner tube is inserted into the outer tube in a freely advancing and retreating manner, a needle head is provided at a distal end of the inner tube, and the operation portion and the outer tube are fixedly connected to perform an operation of advancing and retreating the inner tube, characterized in that:
the operating 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 convex strip 11 and the second convex strip 12 are arranged around the circumference of the front sleeve 1;
the rear sleeve 2 is also hollow and tubular, but is composed of a sliding section 22 at the front end and a handheld section 23 at the tail end when viewed 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, and the sliding section 22 extends into the rear end of the front sleeve 1, so that the rear sleeve 2 can rotate and axially slide relative to the front sleeve 1, and the front sleeve 1 has a forward extending working state and a backward retracting working state relative to the rear sleeve 2; two sides of the sliding section 22 are respectively provided with an avoiding surface along the axial direction of the sliding section, so that the cross section of the sliding section 22 is drum-shaped, a first avoiding space 221 and a second avoiding space 222 are formed between the two avoiding surfaces of the sliding section 22 and the inner wall of the front sleeve 1, the first avoiding space 221 is arranged corresponding to the first salient point 11, the second wall enables the space 222 to be arranged corresponding to the second salient point 12, and the sliding section 22 is further 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 the first salient point 11 and the second salient point 12 when the front sleeve 1 is in the forward extending working state relative to the rear sleeve 2, the positions of 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 the 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 channel 221, the second front sliding groove 224 and the second rear sliding groove 226 are communicated with the second channel 222, so that when the front sleeve 1 is in the forward extending working state relative to the rear sleeve 2, the front sleeve 1 rotates relative to the rear sleeve 2, the first salient point 11 is matched with the first front sliding groove 223 in an embedding mode, and the second salient point 12 is matched with the second front sliding groove 224 in an embedding mode to lock a forward extending working 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 salient point 11 is in embedded fit with the first rear sliding groove 225, and the second salient point 12 is in embedded fit with the second rear sliding groove 226 to lock the working states.
The safety catch is characterized by further comprising a safety catch 3, the cross section of the safety catch 3 is C-shaped, the size and the shape of the inner side of the C-shaped cross section are matched with those of the drum-shaped cross section of the sliding section 22, and the length of the safety catch 3 is matched with those of the sliding section 22.
The front end of the sliding section 22 is provided with two elastic sheets 21 which are symmetrically arranged, the fixed end of each elastic sheet 21 is arranged at the front end, the free end of each elastic sheet 21 is arranged at the rear end, and the elastic sheets 21 extend into the front sleeve through the first salient points 11 and the second salient 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 can wrap 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 salient point 11 and/or the second salient point 12 are/is a strip-shaped body.
The first protruding strip 11 and the second protruding strip 12 are disposed on the same circumferential cross section of the inner wall of the front sleeve 21, the first front sliding groove 223 and the second front sliding groove 224 are disposed 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 disposed on the same circumferential cross section of the sliding section 22.
And a handle is arranged on the safety catch 3.
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 drum-shaped height.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. An injection needle for an endoscope having multiple protections, comprising an insertion portion inserted into an endoscope channel and an operation portion connected to a base section of the insertion portion, wherein the insertion portion is composed of an outer tube and an inner tube, the inner tube is inserted into the outer tube so as to be freely advanced and retracted, a needle head is provided at a distal end of the inner tube, and the operation portion and the outer tube are fixedly connected to perform an operation of advancing and retracting the inner tube, characterized in that:
the operating 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 convex strip (11) and the second convex strip (12) are arranged around the circumference of the front sleeve (1);
the rear sleeve (2) is also hollow and tubular, but is composed of a sliding section (22) at the front end and a handheld section (23) at the tail end when viewed 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) extends into the rear end of the front sleeve (1), so that the rear sleeve (2) can rotate and axially slide relative to the front sleeve (1), and the front sleeve (1) has a forward extending working state and a backward retracting working state relative to the rear sleeve (2); 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 further 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 a drum-shaped waist part, 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 part, the axial relative positions of the first front sliding groove (223) and the second front sliding groove (224) correspond to the positions of a first salient point (11) and a second salient point (12) when the front sleeve (1) is in a front extension working state relative to the rear sleeve (2), the positions of the first rear sliding groove (225) and the second rear sliding groove (226) correspond to the positions of a first salient point (11) and a second salient point (12) when the front sleeve (1) is in a rear retraction working state relative to the rear sleeve (2), and the first front sliding groove (223) and the first rear sliding groove (225) are communicated with a first channel (221), the second front sliding groove (224) and the second rear sliding groove (226) are communicated with the second channel (222), so that when the front sleeve (1) is in a forward extending working state relative to the rear sleeve (2) in use, the front sleeve (1) is operated to rotate relative to the rear sleeve (2), the first salient point (11) is in embedded fit with the first front sliding groove (223), and the second salient point (12) is in embedded fit with the second front sliding groove (224) to lock the forward extending working state; when the front sleeve (1) is in a retraction working state relative to the rear sleeve (2), the front sleeve (1) is operated to rotate relative to the rear sleeve (2), the first salient point (11) is in embedded fit with the first rear sliding groove (225), and the second salient point (12) is in embedded fit with the second rear sliding groove (226) so as to lock the working states of the front sleeve (1) and the rear sleeve.
2. An injection needle for an endoscope according to claim 1, characterized in that: the safety catch is characterized by further comprising a safety catch (3), the cross section of the safety catch (3) is C-shaped, the size and the shape of the inner side of the C-shaped cross section are matched with those of the drum-shaped cross section of the sliding section (22), and the length of the safety catch (3) is matched with that of the sliding section (22).
3. An injection needle for an endoscope according to claim 1, characterized in that: the front end of the sliding section (22) is provided with two elastic sheets (21) which are symmetrically arranged, the fixed end of each elastic sheet (21) is arranged at the front end, the free end of each elastic sheet is arranged at the rear end, and each elastic sheet (21) stretches into the front sleeve pipe through the first salient point (11) and the second salient point (12).
4. An injection needle for an endoscope according to claim 1, characterized in that: 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.
5. An injection needle for an endoscope according to claim 1, characterized in that: the first salient point (11) and/or the second salient point (12) are/is a strip-shaped body.
6. An injection needle for an endoscope according to claim 1, characterized in that: the first convex strip (11) and the second convex strip (12) are arranged on the same circumferential cross section of the inner wall of the front sleeve (21), 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).
7. An injection needle for an endoscope according to claim 2, characterized in that: the safety catch (3) is provided with a handle.
8. An injection needle for an endoscope according to claim 2, characterized in that: 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 drum-shaped height.
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 true CN113425392A (en) | 2021-09-24 |
| CN113425392B CN113425392B (en) | 2024-05-03 |
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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 |
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| 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 |
|---|---|
| CN113425392B (en) | 2024-05-03 |
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