CN114246641A - Aspirator with clamping function - Google Patents
Aspirator with clamping function Download PDFInfo
- Publication number
- CN114246641A CN114246641A CN202210129524.5A CN202210129524A CN114246641A CN 114246641 A CN114246641 A CN 114246641A CN 202210129524 A CN202210129524 A CN 202210129524A CN 114246641 A CN114246641 A CN 114246641A
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- Prior art keywords
- handle
- clamping
- suction
- holding function
- outer side
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- 239000013013 elastic material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- A61B17/30—Surgical pincettes without pivotal connections
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses an aspirator with a clamping function, which comprises a connecting port, wherein a suction tube and a tension rod are arranged in the connecting port, a clamping component is sleeved at the tail end of the suction tube, a reset spring is sleeved between the clamping component and the suction tube, one end of the tension rod is connected to the clamping component, the other end of the tension rod is connected to a push-pull mechanism, a movable handle is arranged on the outer side of the push-pull mechanism, and a connecting handle is connected to the outer side of the connecting port. When the suction apparatus with the clamping function is used, not only can the contents be effectively adsorbed, but also the fixed clamping can be carried out. The suction force can be adjusted while the suction is performed. After the use is finished, the reset operation can be carried out under the action of the reset spring. The whole operation is simple, the adsorption clamping efficiency is higher, the difficulty and risk of the operation are reduced, and the efficiency of the operation is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an aspirator with a clamping function.
Background
In neurosurgery, the conventional mode of operation of the operator is to operate with a left-handed aspirator, a right-handed bipolar coagulation or other instrument. The aspirator sucks and removes bleeding in an operation field, and the tissue structure of a part to be treated is exposed clearly, so that the aspirator has important significance for realizing a minimally invasive target of protecting neurovascular by fine operation in neurosurgery.
Neurosurgery has the characteristics of deep position, complex neurovascular structure, difficult separation and serious consequences after injury. The successful separation of the lesion from the delicate nerve or blood vessel is the key to ensure the success of the operation. The best separation mode is that when the aspirator sucks blood or tissue fluid to keep the operation field clear, one instrument clamps the lesion, and then scissors or a separation instrument controlled by the other hand are used for separating the adhesion between the lesion and the nerve or the blood vessel. However, due to the narrow and deep operating space, especially in the nasal surgery, a certain space is left and one hand of the operator is occupied for observing and operating the endoscope, so that the ideal operation mode of the suction apparatus, the clamping apparatus and the separation apparatus is difficult to realize in the surgery. Therefore, if the suction apparatus can be provided with a holding function, the above-mentioned problems can be effectively solved. In addition, the suction apparatus integrating the suction and clamping functions is always operated by one operator, and the problems that the operation time is long and the bleeding is increased due to the fact that an assistant cannot be matched with the operation apparatus in the operation and the assistant apparatus is waited to enter a deep space can be solved. Effectively improving the operation efficiency and reducing the operation risk.
Disclosure of Invention
The invention aims to provide an aspirator with a clamping function, and aims to solve the problems that in the background technology, due to the fact that a neurosurgery operation channel is narrow, an ideal operation mode of the aspirator, a clamping instrument and a separating instrument is difficult to achieve in an operation, and in the operation, an assistant cannot be matched in place and waits for the assistant instrument to enter a deep space, operation time is long, and bleeding is increased. If the suction apparatus can be endowed with a clamping function, and the suction apparatus integrating the suction and clamping functions is always operated by one operator, the problems can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an aspirator with clamping function, includes the connector, connector inside is provided with attracts pipe and straining rod, attract the terminal cover of pipe and be equipped with the centre gripping subassembly, just the centre gripping subassembly with attract between the pipe the cover and be equipped with reset spring, straining rod one end connect in the centre gripping subassembly, the straining rod other end is connected in push-and-pull mechanism, the push-and-pull mechanism outside is provided with movable handle, the connector outside is connected with the connection handle.
Furthermore, clamping heads are symmetrically arranged at the tail ends of the suction tubes, and the clamping heads are made of medical elastic materials.
Furthermore, the mutually meshed parts of the tail ends of the clamping heads are of a plane structure, and an anti-skid structure is arranged on the surface of the plane structure.
Further, the push-pull mechanism comprises a sliding groove, a sliding block, a movable shaft and a connecting rod, the sliding groove is formed in the connecting port, the sliding block is arranged in the sliding groove in a sliding mode, one end of the sliding block is connected to the tensioning rod, and the other end of the sliding block is connected to the outer side of the movable handle through the connecting rod.
Further, the movable handle is movably connected to the outer side of the suction tube through a positioning pin.
Further, the connection handle includes a first connection handle and a second connection handle.
Further, first connection handle includes the first threaded connection pole with the connector connection, first threaded connection pole is provided with first regulation hole with first connection handle laminating department, and just first connection handle end is provided with first connecting piece, and the first connecting piece outside is provided with first joint.
Further, the second connection handle comprises a second threaded connection rod connected with the connection port, a second adjusting hole is formed in the joint of the second threaded connection rod and the second connection handle, a second connection piece is arranged at the tail end of the second connection handle, and a second joint is arranged on the outer side of the second connection piece.
Further, the first adjusting hole and the second adjusting hole are in a drop shape.
Compared with the prior art, the invention has the beneficial effects that:
the inside spout that is provided with of fixed handle, the inside slip of spout is provided with the slider, and slider one end is connected in the straining rod, and the slider other end passes through the connecting rod to be connected in the movable handle outside. Thereby drive the tightening rod through the movable handle area connecting rod when using, and then make the centre gripping subassembly can extrude the centre gripping head to inside. After the use is finished, the movable handle is loosened, and the reset spring drives the clamping assembly to reset.
The mutually meshed parts at the tail ends of the clamping heads are of a plane structure, and the surface of the plane structure is provided with an anti-skidding structure. When the clamping head is used, the engagement force between the clamping heads is further improved, and the contents and the like can be effectively clamped when the clamping head is used.
A first adjusting hole is formed in the joint of the first threaded connecting rod and the first connecting handle; the second threaded connecting rod is provided with a second adjusting hole at the joint of the second threaded connecting rod and the second connecting handle, and the first adjusting hole and the second adjusting hole are in a water drop shape. When the suction tube is used, the suction force in the transition tube and the suction tube can be adjusted in real time through the first drop-shaped adjusting hole and the second drop-shaped adjusting hole.
As described above, the suction apparatus having a clamping function according to the present invention can perform not only effective suction of contents but also fixed clamping when in use. The suction force can be adjusted while the suction is performed. After the use is finished, the reset operation can be carried out under the action of the reset spring. The whole operation is simple, the adsorption clamping efficiency is higher, the difficulty and risk of the operation are reduced, and the efficiency of the operation is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
FIG. 3 is a schematic view of a first connecting handle according to the present invention;
FIG. 4 is a schematic view of a second connecting handle according to the present invention;
FIG. 5 is an enlarged view of the structure at B of the present invention;
FIG. 6 is an enlarged schematic view of the end construction of the present invention;
in the figure: 1-connecting port, 2-suction tube, 3-clamping component, 4-tensioning rod, 5-sliding chute, 6-sliding block, 7-movable shaft, 8-movable handle, 9-clamping head, 10-reset spring, 11-first connecting handle, 12-first connecting piece, 14-connecting rod, 15-locating pin, 13-first joint, 16-first adjusting hole, 17-first threaded connecting rod, 18-second connecting handle, 19-second connecting piece, 20-second joint, 21-second adjusting hole and 22-second threaded connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides an aspirator with clamping function, includes connector 1, and connector 1 is inside to be provided with attracts pipe 2 and straining rod 4, attracts 2 terminal covers of pipe to be equipped with clamping component 3, and the cover is equipped with reset spring 10 between clamping component 3 and the pipe 2 of attracting, and 4 one ends of straining rod are connected in clamping component 3, and the 4 other ends of straining rod are connected in push-and-pull mechanism, and the push-and-pull mechanism outside is provided with movable handle 8, and the connector 1 outside is connected with the connection handle.
In the invention, the tail end of the suction tube 2 is symmetrically provided with clamping heads 9, and the clamping heads 9 are made of medical elastic materials. The mutually meshed parts at the tail ends of the clamping heads 9 are of a plane structure, and the surface of the plane structure is provided with an anti-skidding structure. When the clamping head is used, the engagement force between the clamping heads is further improved, and the contents and the like can be effectively clamped when the clamping head is used.
In the invention, the push-pull mechanism comprises a sliding groove 5, a sliding block 6, a movable shaft 7 and a connecting rod 14, the sliding groove 5 is arranged in the connecting port 1, the sliding block 6 is arranged in the sliding groove 5 in a sliding manner, one end of the sliding block 6 is connected to the tensioning rod 4, and the other end of the sliding block 6 is connected to the outer side of the movable handle 8 through the connecting rod 14.
In the invention, the movable handle 8 is movably connected to the outer side of the suction tube 2 through a positioning pin 15.
In the present invention, the connection handle includes a first connection handle 11 and a second connection handle 18.
In the invention, the first connecting handle 11 comprises a first threaded connecting rod 17 connected with the connecting port 1, a first adjusting hole 16 is arranged at the joint of the first threaded connecting rod 17 and the first connecting handle 11, a first connecting piece 12 is arranged at the tail end of the first connecting handle 11, and a first joint 13 is arranged at the outer side of the first connecting piece 12.
In the invention, the second connecting handle 18 comprises a second threaded connecting rod 22 connected with the connecting port 1, a second adjusting hole 21 is arranged at the joint of the second threaded connecting rod 22 and the second connecting handle 18, a second connecting piece 19 is arranged at the tail end of the second connecting handle 18, and a second joint 20 is arranged at the outer side of the second connecting piece 19.
In the present invention, the first and second regulating holes 16 and 21 are formed in a drop shape.
Examples 1,
For the contents that only need to be adsorbed.
When in use, the first connecting handle 11 or the second connecting handle 18 is firstly connected to the connecting port 1 through threads under the action of the first threaded connecting rod 17 or the second threaded connecting rod 22, then the first connecting handle 11 or the second connecting handle 18 is connected to a negative pressure device under the action of the first joint 15 or the second joint 20, then the suction tube 2 is extended to the position near tissues or liquid to be sucked through a narrow surgical channel, and then blood or tissue liquid blocking the visual field is sucked away under the action of negative pressure or a treatment object is sucked at the tail end of the suction tube 2, so that the treatment of the treatment object by an attending doctor is facilitated. Meanwhile, a first adjusting hole 16 is formed in the joint of the first threaded connecting rod 17 and the first connecting handle 11, a second adjusting hole 21 is formed in the joint of the second threaded connecting rod 22 and the second connecting handle 18, and the first adjusting hole 16 and the second adjusting hole 21 are in a water-drop shape. When in use, the suction force in the suction pipe 2 can be adjusted in real time through the first adjusting hole 16 or the second adjusting hole 21 in the shape of a water drop. Ensuring that the adsorption of the contents is sufficient and not so great as to cause damage to adjacent tissues.
Examples 2,
Aiming at the content needing to be adsorbed and clamped simultaneously.
When in use, the first connecting handle 11 or the second connecting handle 18 is firstly connected to the connecting port 1 through the screw by the action of the first screw connecting rod 17 or the second screw connecting rod 22, and then the first connecting handle 11 or the second connecting handle 18 is connected to the negative pressure equipment through the action of the first connector 13 or the second connector 20. Then will attract pipe 2 to stretch near the tissue that needs to attract and the centre gripping through constrictive operation passageway, then will block the blood or the tissue fluid in the field of vision and remove through the effect of negative pressure, adsorb the processing object at the end of attracting pipe 2 simultaneously, then drive connecting rod 14 clockwise around locating pin 15 rotation when contracting to fixed handle 1 through movable handle 8, thereby drive the slider 6 of connecting rod 14 end setting in spout 5 inside, thereby drive slider 6 and slide, and then drive the cover and establish the centre gripping subassembly 3 at attracting pipe 2 end under the effect of straining rod 4, the inside wedge of centre gripping subassembly 3 can be with centre gripping head 9 inside extrusion, carry out the centre gripping to the processing object, after the centre gripping is accomplished, just separate or cut the operation with main doctor. After the treatment is finished, the movable handle 8 is loosened in the same way, the whole device is loosened, and the reset spring 10 drives the wedge-shaped block, so that the clamping head 9 is opened. Meanwhile, the first adjusting hole 16 or the second adjusting hole 21 allows the suction tube 2 to relax the contents.
As described above, the suction apparatus having a clamping function according to the present invention can perform not only effective suction of contents but also fixed clamping when in use. The suction force can be adjusted while the suction is performed. After use, the return spring 10 can also perform the return operation. The whole operation is simple, the adsorption clamping efficiency is higher, the difficulty and risk of the operation are reduced, the efficiency of the operation is improved, and meanwhile, the first connecting handle 11 or the second connecting handle 18 can be selectively installed according to the requirement. So as to meet the use requirements of medical personnel with different habits.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides an aspirator with clamping function, includes connector (1), its characterized in that: the suction pipe (2) and the tension rod (4) are arranged inside the connector (1), the clamping component (3) is sleeved at the tail end of the suction pipe (2), the reset spring (10) is sleeved between the clamping component (3) and the suction pipe (2), one end of the tension rod (4) is connected to the clamping component (3), the other end of the tension rod (4) is connected to the push-pull mechanism, a movable handle (8) is arranged on the outer side of the push-pull mechanism, and the connecting handle is connected to the outer side of the connector (1).
2. The suction apparatus with a holding function according to claim 1, wherein: the tail end of the suction tube (2) is symmetrically provided with clamping heads (9), and the clamping heads (9) are made of medical elastic materials.
3. The suction apparatus with a holding function as claimed in claim 2, wherein: the mutually meshed parts at the tail ends of the clamping heads (9) are of a plane structure, and an anti-skid structure is arranged on the surface of the plane structure.
4. The suction apparatus with a holding function according to claim 1, wherein: the push-pull mechanism comprises a sliding groove (5), a sliding block (6), a movable shaft (7) and a connecting rod (14), the sliding groove (5) is arranged inside the connecting port (1), the sliding block (6) is arranged inside the sliding groove (5) in a sliding mode, one end of the sliding block (6) is connected to the tensioning rod (4), and the other end of the sliding block (6) is connected to the outer side of the movable handle (8) through the connecting rod (14).
5. The suction apparatus with a holding function according to claim 1, wherein: the movable handle (8) is movably connected to the outer side of the suction tube (2) through a positioning pin (15).
6. The suction apparatus with a holding function according to claim 1, wherein: the connection handle comprises a first connection handle (11) and a second connection handle (18).
7. The suction apparatus with a holding function as claimed in claim 6, wherein: first connection handle (11) include first threaded connection pole (17) be connected with connector (1), first threaded connection pole (17) and first connection handle (11) laminating department are provided with first regulation hole (16), and just first connection handle (11) end is provided with first connecting piece (12), and the first connecting piece (12) outside is provided with first joint (13).
8. The suction apparatus with a holding function as claimed in claim 6, wherein: the second connecting handle (18) comprises a second threaded connecting rod (22) connected with the connecting port (1), a second adjusting hole (21) is formed in the joint of the second threaded connecting rod (22) and the second connecting handle (18), a second connecting piece (19) is arranged at the tail end of the second connecting handle (18), and a second joint (20) is arranged on the outer side of the second connecting piece (19).
9. An aspirator having a holding function according to claim 7 or 8, wherein: the first adjusting hole (16) and the second adjusting hole (21) are in a water drop shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129524.5A CN114246641B (en) | 2022-02-11 | 2022-02-11 | Aspirator with clamping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129524.5A CN114246641B (en) | 2022-02-11 | 2022-02-11 | Aspirator with clamping function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114246641A true CN114246641A (en) | 2022-03-29 |
| CN114246641B CN114246641B (en) | 2024-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210129524.5A Active CN114246641B (en) | 2022-02-11 | 2022-02-11 | Aspirator with clamping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114246641B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348649A (en) * | 1930-02-13 | 1931-05-13 | Charles William Stickel | Improvements in tweezers |
| DE4111055A1 (en) * | 1990-04-05 | 1991-10-10 | Jun Georg Ronge | Attachment of medical equipment supporting rail - by means of spring clip which grips rail and has locking wedges |
| EP0569233A1 (en) * | 1992-05-05 | 1993-11-10 | Hausler Scientific Instruments (Pty) Limited | Sharps handling apparatus |
| CN204890109U (en) * | 2015-06-09 | 2015-12-23 | 华中科技大学同济医学院附属同济医院 | Laparoscopic surgery grasping forceps with suction unit |
| CN204972629U (en) * | 2015-06-24 | 2016-01-20 | 新华手术器械有限公司 | Detachable attraction pipe |
| CN208678019U (en) * | 2018-04-23 | 2019-04-02 | 中国医科大学附属第一医院 | A kind of neurosurgery aspirator |
| CN208942293U (en) * | 2018-06-01 | 2019-06-07 | 东莞康华医院有限公司 | A kind of aspirator with clamp function |
| CN111099454A (en) * | 2019-12-13 | 2020-05-05 | 谢利汉 | Civil engineering is with high-efficient intelligent drainage system |
| CN112472316A (en) * | 2020-12-11 | 2021-03-12 | 魏本尊 | Special peritoneoscope area nipper aspirator of hepatobiliary surgery |
| CN112587232A (en) * | 2020-12-10 | 2021-04-02 | 中国人民解放军空军军医大学 | VR simulation traction device and system for neurosurgery |
| CN112641473A (en) * | 2020-12-23 | 2021-04-13 | 安徽医科大学第二附属医院 | Laparoscopic surgery instrument with aspirator function |
| CN112807061A (en) * | 2019-11-15 | 2021-05-18 | 黄紫 | Minimally invasive instrument with clamping and suction functions |
| CN113244464A (en) * | 2021-04-21 | 2021-08-13 | 上海昌宁医疗科技有限公司 | Medical suction tube |
| CN215275476U (en) * | 2021-01-22 | 2021-12-24 | 天津市人民医院 | Ultrasonic knife with suction hole |
-
2022
- 2022-02-11 CN CN202210129524.5A patent/CN114246641B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB348649A (en) * | 1930-02-13 | 1931-05-13 | Charles William Stickel | Improvements in tweezers |
| DE4111055A1 (en) * | 1990-04-05 | 1991-10-10 | Jun Georg Ronge | Attachment of medical equipment supporting rail - by means of spring clip which grips rail and has locking wedges |
| EP0569233A1 (en) * | 1992-05-05 | 1993-11-10 | Hausler Scientific Instruments (Pty) Limited | Sharps handling apparatus |
| CN204890109U (en) * | 2015-06-09 | 2015-12-23 | 华中科技大学同济医学院附属同济医院 | Laparoscopic surgery grasping forceps with suction unit |
| CN204972629U (en) * | 2015-06-24 | 2016-01-20 | 新华手术器械有限公司 | Detachable attraction pipe |
| CN208678019U (en) * | 2018-04-23 | 2019-04-02 | 中国医科大学附属第一医院 | A kind of neurosurgery aspirator |
| CN208942293U (en) * | 2018-06-01 | 2019-06-07 | 东莞康华医院有限公司 | A kind of aspirator with clamp function |
| CN112807061A (en) * | 2019-11-15 | 2021-05-18 | 黄紫 | Minimally invasive instrument with clamping and suction functions |
| CN111099454A (en) * | 2019-12-13 | 2020-05-05 | 谢利汉 | Civil engineering is with high-efficient intelligent drainage system |
| CN112587232A (en) * | 2020-12-10 | 2021-04-02 | 中国人民解放军空军军医大学 | VR simulation traction device and system for neurosurgery |
| CN112472316A (en) * | 2020-12-11 | 2021-03-12 | 魏本尊 | Special peritoneoscope area nipper aspirator of hepatobiliary surgery |
| CN112641473A (en) * | 2020-12-23 | 2021-04-13 | 安徽医科大学第二附属医院 | Laparoscopic surgery instrument with aspirator function |
| CN215275476U (en) * | 2021-01-22 | 2021-12-24 | 天津市人民医院 | Ultrasonic knife with suction hole |
| CN113244464A (en) * | 2021-04-21 | 2021-08-13 | 上海昌宁医疗科技有限公司 | Medical suction tube |
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| Publication number | Publication date |
|---|---|
| CN114246641B (en) | 2024-03-12 |
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