CN116763405B - Combined unidirectional lavage needle and puncture equipment - Google Patents
Combined unidirectional lavage needle and puncture equipment Download PDFInfo
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- CN116763405B CN116763405B CN202310796509.0A CN202310796509A CN116763405B CN 116763405 B CN116763405 B CN 116763405B CN 202310796509 A CN202310796509 A CN 202310796509A CN 116763405 B CN116763405 B CN 116763405B
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a combined unidirectional lavage needle, comprising: the injection needle comprises a first needle tube, a first one-way valve and a needle head, wherein the first one-way valve and the needle head are respectively communicated with two ends of the first needle tube, an injection hole is formed in the position, close to the needle head, of the first needle tube, and the first one-way valve controls the injection liquid to flow unidirectionally along the first needle tube towards the injection hole; the liquid suction needle is sleeved with the liquid suction needle and comprises a second needle tube, and a second one-way valve and a liquid suction part which are respectively communicated with two ends of the second needle tube, wherein the liquid suction part is connected to one side of the second needle tube, which is close to the liquid injection hole, and does not cover the liquid injection hole, the liquid suction part is provided with the liquid suction hole, and the second one-way valve controls the injection liquid to flow unidirectionally from the liquid suction part to the second one-way valve. The combined unidirectional lavage needle provided by the invention solves the problem that air is easy to be introduced into a human body when the injection and suction of a conventional single needle tube are switched or after the liquid suction is finished, greatly improves the safety during puncture lavage and after puncture lavage, and has a wide application prospect in the field of medical equipment at the present stage.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a combined unidirectional lavage needle and puncture equipment.
Background
At present, most of pulmonary nodule pathology inspection technologies are diagnosed by adopting a puncture biopsy mode, and in the puncture process, a needle head is extremely easy to damage a pulmonary great vessel to cause internal hemorrhage, so that the definition degree of the later CT scanning inspection is greatly influenced, the accuracy of biopsy cannot be accurately judged, and cancer cells are easily transferred along with blood. Therefore, with the continuous development of modern medicine, minimally invasive lavage detection and combined treatment are becoming more and more favored by clinicians and patients.
According to the trend of high incidence of various cancers in China, diseases such as alveolar protein deposition and the like can be cured by lavaging the lung at present clinically, in addition, in some diseases, the method of lavaging the lung can also be adopted to further study the cause of the diseases, so that diagnosis and treatment of the diseases can be carried out, for example, in the diagnosis of asthma, the characteristics of corresponding alveoli during lavage or after lavage can be obtained by means of alveoli lavage, and the diseases can be further diagnosed; if pulmonary tuberculosis bacteria are found in alveolar lavage, the pulmonary tuberculosis can be diagnosed; if fungi are found in the alveolar lavage fluid, a fungal pneumonia can be diagnosed; if exfoliated cancer cells are found in the alveolar lavage fluid, lung malignancy can be diagnosed.
The conventional lavage needle adopts one needle tube to realize the operation of liquid injection and liquid suction, but when the injection and the suction are switched or the liquid suction is completed, a small amount of air enters the lung under negative pressure due to the pressure change inside and outside the needle tube, so pneumothorax is easy to form and even serious consequences are caused, and the use limitation of the conventional lavage needle is very large at the present stage.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem that air can be introduced into a body when the injection and suction are switched or after the suction is completed in the prior art, and provides a combined unidirectional lavage needle and puncture equipment.
In order to solve the technical problems, the invention provides a combined unidirectional lavage needle, which comprises: the liquid injection needle comprises a first needle tube, a first one-way valve and a needle head, wherein the first one-way valve and the needle head are respectively communicated with two ends of the first needle tube, at least one liquid injection hole which is communicated with the inside and the outside of the first needle tube is formed in the position, close to the needle head, of the first needle tube, and the first one-way valve controls the injection liquid to flow unidirectionally along the first needle tube towards the liquid injection hole; the liquid suction needle is sleeved with the liquid suction needle and connected with the liquid injection needle, the liquid suction needle comprises a second needle tube, a second one-way valve and a liquid suction portion, the second one-way valve and the liquid suction portion are respectively communicated with two ends of the second needle tube, the liquid suction portion is connected to one side, close to the liquid injection hole, of the second needle tube and does not cover the liquid injection hole, liquid suction holes communicated with the inside and the outside of the second needle tube are formed in the liquid suction portion, and liquid suction is controlled to flow in a one-way mode between the first needle tube and the second needle tube through the liquid suction portion towards the second one-way valve.
In one embodiment of the invention, the end of the liquid suction part is provided with a chamfer, and the chamfer is gradually and obliquely arranged from the liquid suction part towards the liquid injection hole and close to the first needle tube.
In one embodiment of the invention, the liquid-absorbing holes are kidney-shaped holes.
In one embodiment of the invention, the needle end is a cambered rounded head.
In one embodiment of the present invention, the liquid injection needle includes a first connecting member for connecting the liquid suction needle, and the first check valve and the first needle tube are respectively connected to two ends of the first connecting member.
In one embodiment of the invention, the pipetting needle comprises a second connector for connecting to the pipetting needle, the first connector being in detachable communication with the second connector.
In one embodiment of the invention, the second connector includes a branch portion, and the second check valve is connected to an end portion of the branch portion.
In one embodiment of the present invention, the first check valve is connected to the priming device via a connecting tube, and the second check valve is connected to the priming device via a connecting tube.
In one embodiment of the present invention, the tube body of the second needle tube is provided with graduations.
The invention also provides a puncture device, which comprises the combined unidirectional lavage needle, a sliding piece and an elastic device, wherein one end of the sliding piece is connected with the periphery of the combined unidirectional lavage needle in a sliding way, and the other end of the sliding piece is connected with the elastic device.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the combined unidirectional lavage needle is different from the traditional structure of sucking and discharging liquid by a single needle tube, the injection needle which can work relatively independently is connected with the liquid suction needle, the injection liquid is released only through the injection needle during puncture, and then the liquid suction needle is used for recovering the liquid suction, so that the problem that air is easy to be introduced into a human body when the injection and suction of the conventional single needle tube are switched or after the liquid suction is finished is avoided, the safety during puncture lavage and after the puncture lavage is greatly improved, and the combined unidirectional lavage needle has wide application prospect in the field of medical equipment at the present stage.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic perspective view of a combination unidirectional irrigation needle in accordance with a preferred embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of FIG. 1 at B;
fig. 4 is a schematic perspective view of the combined unidirectional lavage needle of fig. 1 after externally connecting a syringe and a aspirator.
Description of the specification reference numerals: 100. a liquid injection needle; 110. a first one-way valve; 120. a first needle tube; 121. a needle; 122. a liquid injection hole; 130. a first connector; 131. a first connection portion; 132. a second connecting portion; 200. a liquid suction needle; 210. a second one-way valve; 220. a second needle tube; 221. a liquid suction part; 222. chamfering; 223. a liquid suction hole; 230. a second connector; 231. a branching portion; 232. a main body portion; 233. a third connecting portion; 240. a scale; 300. a connecting pipe; 400. a liquid injector; 500. a liquid suction device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Example 1
Referring to fig. 1, the invention provides a combined unidirectional lavage needle, which comprises a liquid injection needle 100 and a liquid suction needle 200 sleeved on the periphery of the liquid injection needle 100, wherein the liquid injection needle 100 is used for unidirectional release of injection liquid to a lesion position, the liquid injection needle is used for unidirectional suction and recovery of the injection liquid soaked in lesion tissues, and a detector can specifically detect and analyze the recovered injection liquid, so that the purpose of diagnosing diseases is achieved on the premise of almost not damaging human tissues and blood vessels.
The combined unidirectional lavage needle is different from the traditional structure of sucking and releasing liquid by a single needle tube, the liquid injection needle 100 which can work relatively independently is connected with the liquid suction needle 200, injection liquid is released only by the liquid injection needle 100 during puncturing, and then suction liquid is recovered only by the liquid suction needle 200, so that the problem that air is easily introduced into a human body during switching between injection and suction or after liquid suction of the conventional single needle tube is avoided, the safety during puncturing and lavage and after puncturing and lavage is greatly improved, and the combined unidirectional lavage needle has wide application prospect in the field of medical equipment at present.
Referring to fig. 1 to 4, the injection needle 100 includes a first needle tube 120, and a first check valve 110 and a needle 121 respectively connected to two ends of the first needle tube 120, wherein a portion of the first needle tube 120 near the needle 121 is provided with at least one injection hole 122 for communicating the inside and the outside of the first needle tube 120, and the first check valve 110 controls the injection liquid to flow unidirectionally along the first needle tube 120 toward the injection hole 122. In this embodiment, the infusion needle 100 is preferably a 22G infusion needle with a diameter of 0.698-0.730 mm, and the material is preferably a sus304 material with both good rigidity and toughness. In this embodiment, one end of the first needle tube 120 is connected to the first check valve 110, the opposite end is connected to the needle 121, and the injection hole 122 is disposed on the first needle tube 120 at a distance of about 4mm from the needle 121, and further, in this embodiment, the aperture is preferably 0.3-0.8 mm. In this embodiment, a filling hole 122, preferably a circular through hole, is provided, and during filling, liquid starts to move from the first check valve 110 along the extending direction of the first needle tube 120, and the injection liquid is output to the lesion position through the filling hole 122. In other embodiments, the infusion needle 100 may be used with infusion needles of other diameters and types depending on the actual infusion volume and lesion location, such as: the diameter of the filling needle is 0.698-1.300 mm, and the model is 22G-18G, and further, the diameter, shape and number of the filling holes 122 can be adjusted, and the present invention is not particularly limited.
Referring to fig. 3, the end of needle 121 is a rounded end. In this embodiment, the needle 121 is prepared by adopting operations such as spinning, welding and polishing, and further, the cambered surface round head structure of the needle 121 can fundamentally reduce the possibility of damage to large organ blood vessels caused by the lavage, so as to avoid the influence of internal hemorrhage on subsequent CT detection, and more importantly, based on the characteristic of reducing internal hemorrhage, the possibility of transfer of pathological cells along with blood is greatly reduced, and the practical use effect of the invention is further improved.
Referring to fig. 2, the injection needle 100 includes a first connector 130 for connecting with the liquid suction needle 200, and the first check valve 110 and the first needle tube 120 are respectively connected to two ends of the first connector 130. In this embodiment, the first connecting member 130 is connected to one end of the first needle tube 120, where the first check valve 110 is disposed, specifically, the first connecting member 130 is connected between the first needle tube 120 and the first check valve 110, and the first connecting member 130 is used for connecting the first needle tube 120 and the first check valve 110, and also is used for connecting the injection needle 100 and the liquid suction needle 200, specifically, the first connecting member 130 is fixedly connected with the first needle tube 120 and the first check valve 110 by ultraviolet curing glue, after dispensing, an ultraviolet curing lamp with a wavelength of more than 500w is required to be used for irradiation for 10 seconds so as to cure glue, after curing of the glue is completed, a film dialysis bag is required to be used for packaging and sterilizing, and the sterilization process can be performed by adopting an Ethylene Oxide (EO) and plasma sterilization mode. Further, in the present embodiment, the first connecting member 130 is made of medical PC polycarbonate, and the material is widely used in high-end fields such as medical field and aerospace field, and has advantages of very reliable strength, corrosion resistance, oxidation resistance, flame retardance, solvent resistance, etc. In this embodiment, the first connecting member 130 is provided with a first connecting portion 131 and a second connecting portion 132 which are vertically communicated with each other, wherein the first connecting portion 131 is communicated with the first needle tube 120 and extends along a direction perpendicular to the first needle tube 120, and further, the first needle tube 120 is connected to a center of the first connecting portion 131. The second connecting portion is fixedly connected to the first connecting portion 131 on the opposite side of the first needle tube 120, the extending direction of the second connecting portion is the same as that of the first needle tube 120, the end of the second connecting portion 132 is connected with the first check valve 110, and when in use, the injection liquid sequentially flows through the second connecting portion 132, the first connecting portion 131 and the first needle tube 120 through the first check valve 110 and is output through the injection hole 122.
Referring to fig. 4, the first check valve 110 is connected to the syringe 400 through the connection tube 300. In this embodiment, the connecting tube 300 is preferably made of a silicone hose or PC polycarbonate, the injector 400 is configured to provide flowing power for the injection, and further, the injector 400, the connecting tube 300 and the first check valve 110 are detachably connected to facilitate recycling of the lavage needle after use.
Referring to fig. 1 to 4, the liquid suction needle 200 is sleeved with the connection liquid injection needle 100, and includes a second needle tube 220, and a second check valve 210 and a liquid suction portion 221 respectively communicated with two ends of the second needle tube 220, wherein the liquid suction portion 221 is connected to one side of the second needle tube 220 close to the liquid injection hole 122 and does not cover the liquid injection hole 122, the liquid suction portion 221 is provided with a liquid suction hole 223 communicated with the inside and the outside of the second needle tube 220, and the second check valve 210 controls the sucked liquid to flow unidirectionally between the first needle tube 120 and the second needle tube 220 from the liquid suction portion 221 towards the second check valve 210. In this embodiment, the pipette needle 200 is preferably a 20G-type needle tube having a diameter of 0.860 to 0.920mm, and the same material is preferably a sus304 material having both good rigidity and toughness. In this embodiment, one end of second needle tube 220 is connected to second check valve 210, and the opposite end is connected to liquid suction portion 221, specifically, in this embodiment, liquid suction portion 221 is fixedly connected to second needle tube 220, and is integrally formed, and further, liquid suction hole 223 is formed at a position 3mm away from the end of liquid suction portion 221.
Referring to fig. 3, the liquid suction hole 223 is a kidney-shaped hole. In this embodiment, the kidney-shaped hole has a larger suction area than a conventional circular through hole, and the edges thereof bear different liquid pressures, so that when detecting organs with mucus such as lungs, the device can avoid the blockage of mucus, thereby ensuring the smooth progress of the suction process. In this embodiment, a liquid suction hole 223 is provided, and when liquid suction is performed, the injection liquid soaked in the lesion position can be reversely moved along the extending direction of the second needle tube 220 under the suction action of the second check valve 210, so that the injection liquid can be recovered, thereby facilitating the subsequent detection. In other embodiments, the pipette needle 200 may be of other diameters and sizes, such as: the diameters of the needle tubes are 0.860-1.690 mm, the types of the needle tubes are 16-20G, the liquid suction holes 223 can be correspondingly arranged in different numbers or shapes according to actual situations, and the liquid injection needle 100 and the liquid suction needle 200 can also be arranged as other materials such as sus316, sus316L, TC4, TA18 and the like, and the invention is not particularly limited. In this embodiment, the liquid suction portion 221 does not cover the liquid injection hole 122, so as to ensure that the liquid injection hole 122 can communicate with the outside, and thus the injection liquid can be smoothly injected into the lesion position.
Referring to fig. 3, a chamfer 222 is provided at the end of liquid suction portion 221, and chamfer 222 is provided so as to be gradually inclined from liquid suction portion 221 toward liquid injection hole 122 toward first needle tube 120. In this embodiment, the chamfer 222 adopts a water-cooling polishing process, and the liquid suction portion 221 is polished at the first contact position with the human body, so that the lavage needle can enter the human body more smoothly, and the damage to the human body caused by the protruding part of the liquid suction portion 221 is avoided, thereby further reducing the damage degree of the tissue or the blood vessel.
Referring to fig. 2, the pipette needle 200 includes a second connector 230 for connecting with the pipette needle 100, and the first connector 130 is detachably connected to the second connector 230. In this embodiment, the second connecting member 230 is connected to the end of the second needle tube 220 where the second check valve 210 is disposed, specifically, it is connected between the second needle tube 220 and the second check valve 210, the second connecting member 230 is used for connecting both the second needle tube 220 and the second check valve 210 and connecting the injection needle 100 and the liquid suction needle 200 in cooperation with the first connecting member 130, and similarly, the second connecting member 230 is fixedly connected with the second needle tube 220 and the second check valve 210 by using ultraviolet curable glue, and the second connecting member 230 is also set as a medical PC polycarbonate element.
Referring to fig. 2, the second connection member 230 includes a branch portion 231, and the second check valve 210 is connected to an end portion of the branch portion 231. In this embodiment, the second check valve 210 is further provided with a main body 232 and a third connecting portion 233, wherein the third connecting portion 233 is disposed parallel to the first connecting portion 131, the center of one side surface of the third connecting portion 233 is communicated with the second needle tube 220, the center of the opposite side surface of the third connecting portion is communicated with the main body 232, the main body 232 is disposed along the extending direction of the second needle tube 220, the inside of the main body 232 is hollow, the first needle tube 120 can be inserted into the second needle tube 220 through the main body 232, the branch portion 231 is communicated with one side of the main body 232, and the second check valve 210 is disposed at the end of the branch portion 231. In this embodiment, after the infusion needle 100 is connected to the aspiration needle 200, the first connecting portion 131 is connected to the end of the main body 232, and the first needle tube 120 is simultaneously inserted through the main body 232, the third connecting portion 233 and the aspiration needle 200, so as to complete the connection of the infusion needle. Further, in this embodiment, the second connecting member 230 is preferably made of transparent material, so that the physician can determine the actual lavage condition according to the color of the liquid pumped out from the second connecting member 230 during the aspiration process, and further determine the needle withdrawal time.
Referring to fig. 4, the second check valve 210 is connected to the aspirator 500 through the connection tube 300. In this embodiment, the connection tube 300 is identical to the connection tube 300 connected to the infusion needle 100, and will not be described in detail herein, and similarly, the infusion device 400, the connection tube 300 and the second one-way valve 210 can be detachably connected to facilitate recycling of the infusion needle after use.
Referring to fig. 3 and 4, second needle cannula 220 has a scale 240 formed on the body. In this embodiment, a double-line scale 240 is provided every 50mm for grasping the penetration depth and adjusting the position of the perfusion needle in combination with the relative position of the CT imaging device.
The following describes the specific use process and principle of the combined unidirectional lavage needle in this embodiment:
when the combined unidirectional lavage needle is used, a doctor is required to control the injection into the injection needle 100 and the injector 400, then the combined unidirectional lavage needle is penetrated near a pathological tissue to be detected, and the injection is carried out around the combined unidirectional lavage needle, so that the injection is coated and soaked in the pathological tissue, and then the injection to be detected is recovered through the pipette 500 by the pipette 200, so that a use process is completed, the injection needle 100 and the pipette 200 work independently, and are not interfered with each other, the problem that air is easily introduced into a human body when the injection and the aspiration are switched or after the aspiration is completed by a conventional single needle tube is avoided, the safety of the puncture lavage and after the puncture lavage is greatly improved, and the combined unidirectional lavage needle has wide application prospect in the field of medical equipment at the present stage.
Example two
The embodiment provides a puncture device, which comprises the combined unidirectional lavage needle in the first embodiment, a sliding piece and an elastic device, wherein one end of the sliding piece is connected with the periphery of the combined unidirectional lavage needle in a sliding way, and the other end of the sliding piece is connected with the elastic device. In this embodiment, this one-way lavage needle can accurately get into the human body through the slider under elastic device's catapulting effect to further simplify this one-way lavage needle's operation complexity, further, the slider includes the slide rail of fixed connection on elastic device and the slider of fixed connection on this combination formula one-way lavage needle, and the slider can be in the inside edge of slide rail its slip during the use. In this embodiment, the elastic device includes a pressure sensor, a spring and a controller, and a doctor can adjust the elastic force of the elastic device through the controller to control the penetration position of the combined unidirectional lavage needle.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (9)
1. A combination type unidirectional lavage needle, which is characterized in that: comprising the following steps:
the liquid injection needle comprises a first needle tube, a first one-way valve and a needle head, wherein the first one-way valve and the needle head are respectively communicated with two ends of the first needle tube, at least one liquid injection hole which is communicated with the inside and the outside of the first needle tube is formed in the position, close to the needle head, of the first needle tube, and the first one-way valve controls the injection liquid to flow unidirectionally along the first needle tube towards the liquid injection hole;
the liquid suction needle is sleeved with the liquid injection needle and comprises a second needle tube, and a second one-way valve and a liquid suction part which are respectively communicated with two ends of the second needle tube, wherein the liquid suction part is connected to one side of the second needle tube, which is close to the liquid injection hole, and does not cover the liquid injection hole, the liquid suction part is provided with a liquid suction hole communicated with the inside and the outside of the second needle tube, and the second one-way valve controls the liquid suction to flow unidirectionally between the first needle tube and the second needle tube from the liquid suction part to the second one-way valve; the end part of the liquid suction part is provided with a chamfer angle, the chamfer angle is gradually close to the first needle tube from the liquid suction part towards the liquid injection hole, and the diameter of the liquid injection needle is between 0.698 and 1.300mm for lavage of the lung of a human body.
2. The combination unidirectional irrigation needle of claim 1, wherein: the liquid suction holes are waist-shaped holes.
3. The combination unidirectional irrigation needle of claim 1, wherein: the end part of the needle head is a cambered surface round head.
4. The combination unidirectional irrigation needle of claim 1, wherein: the liquid injection needle comprises a first connecting piece used for connecting the liquid suction needle, and the first one-way valve and the first needle tube are respectively communicated with two ends of the first connecting piece.
5. The combination unidirectional irrigation needle of claim 4, wherein: the liquid suction needle comprises a second connecting piece used for connecting the liquid injection needle, and the first connecting piece can be detachably communicated with the second connecting piece.
6. The combination unidirectional irrigation needle of claim 5, wherein: the second connecting piece comprises a branch part, and the second one-way valve is connected to the end part of the branch part.
7. The combination unidirectional irrigation needle of claim 1, wherein: the first one-way valve is connected with the liquid injector through a connecting pipe, and the second one-way valve is connected with the liquid absorber through a communicating pipe.
8. The combination unidirectional irrigation needle of claim 1, wherein: the tube body of the second needle tube is provided with scales.
9. A lancing apparatus, characterized in that: comprising a combined unidirectional lavage needle as claimed in any one of claims 1 to 8, a slider and an elastic means, wherein one end of said slider is slidingly connected to the periphery of said combined unidirectional lavage needle and the other end is connected to said elastic means.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310796509.0A CN116763405B (en) | 2023-06-30 | 2023-06-30 | Combined unidirectional lavage needle and puncture equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310796509.0A CN116763405B (en) | 2023-06-30 | 2023-06-30 | Combined unidirectional lavage needle and puncture equipment |
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| Publication Number | Publication Date |
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| CN116763405A CN116763405A (en) | 2023-09-19 |
| CN116763405B true CN116763405B (en) | 2024-02-06 |
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| CN202310796509.0A Active CN116763405B (en) | 2023-06-30 | 2023-06-30 | Combined unidirectional lavage needle and puncture equipment |
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| CN106038291A (en) * | 2016-07-01 | 2016-10-26 | 深圳市卫邦科技有限公司 | Liquid suction and injection needle and compound needle thereof |
| CN206132787U (en) * | 2016-10-21 | 2017-04-26 | 安图实验仪器(郑州)有限公司 | Be used for abluent sleeve elution needle of reaction cup |
| WO2022201340A1 (en) * | 2021-03-24 | 2022-09-29 | 日本ライフライン株式会社 | Electrode catheter |
| CN217854019U (en) * | 2021-11-23 | 2022-11-22 | 郑州大学第一附属医院 | Abdominal cavity puncture cast-off cell lavage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190247567A1 (en) * | 2018-02-12 | 2019-08-15 | Biosurgery Solutions Llc | Percutaneous Joint Lavage Devices and Kits |
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2023
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201578346U (en) * | 2010-01-08 | 2010-09-15 | 张杰峰 | Diagnostic abdominal cavity puncture irrigating needle |
| CN106038291A (en) * | 2016-07-01 | 2016-10-26 | 深圳市卫邦科技有限公司 | Liquid suction and injection needle and compound needle thereof |
| CN206132787U (en) * | 2016-10-21 | 2017-04-26 | 安图实验仪器(郑州)有限公司 | Be used for abluent sleeve elution needle of reaction cup |
| WO2022201340A1 (en) * | 2021-03-24 | 2022-09-29 | 日本ライフライン株式会社 | Electrode catheter |
| CN217854019U (en) * | 2021-11-23 | 2022-11-22 | 郑州大学第一附属医院 | Abdominal cavity puncture cast-off cell lavage device |
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| CN116763405A (en) | 2023-09-19 |
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