CN109805986A - A kind of medical multijaw pincers - Google Patents
A kind of medical multijaw pincers Download PDFInfo
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- CN109805986A CN109805986A CN201910218952.3A CN201910218952A CN109805986A CN 109805986 A CN109805986 A CN 109805986A CN 201910218952 A CN201910218952 A CN 201910218952A CN 109805986 A CN109805986 A CN 109805986A
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- drag
- line
- pliers
- buckle
- connecting tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The application provides a kind of medical multijaw pincers, lower hemostasia and tissue is guided to suture by endoscope for alimentary canal, the multijaw pincers include that multiple tong arms opposite respectively can open and closure, to realize the draw tissue of the big surface of a wound, pliers or clip relative to traditional permanent opening size can be applied to the bigger surface of a wound, since its structure is simple, it is easily fabricated, low in cost, may be implemented to repeat to be opened and closed, part it is few it is at low cost, easy to operate, convenient for release, therefore operating time can be shortened, improve success rate of operation and reduce the usage quantity of surgical instrument.
Description
Technical field
This application involves the field of medical instrument technology more particularly to a kind of medical multijaw pincers.
Background technique
Digestive endoscopy treatment technology development in recent years is swift and violent, and Alimentary tract disease recall rate is higher and higher, and hemorrhage of digestive tract is got over
Come it is more, it is also more and more by digestive endoscopy technology therapeutic scheme.EMR (endoscopic mucosal resection) and ESD are (interior under scope
Mucous membrane decollement under mirror) for early carcinomatous change cure rate it is higher and higher, early to find, early treatment has become the development side of industry
To.Since China compares compared to the developed country of the scopes such as Japan application, quote evening time, the low realistic problem of generaI investigation rate,
The larger diseased region (such as mesenchymoma > 50cm) of intermediate inspection appearance is still had during actual therapeutic needs complete resection.It is existing
Safety can be carried out, completely remove and cut off by having ESD endoscopic technic, but the postoperative this big surface of a wound needs suture in time,
Otherwise there is serious adverse effect for patient's post-operative recovery.
Because operating space is small, small by the work cavity of scope under scope, go out in Human Physiology bending for difficult
Blood position is often because the opening width opened is limited after position very limit existing product reaches diseased region, usually in 11mm,
Helpless for the super large surface of a wound existing product of 50mm, scope doctor needs to carry out purse string suture, i.e., first an annular is set in rotation
Plastic ring, further along surface of a wound periphery plastic ring close packing the mode of driving piles place the pliers or clip of existing small opening, finally
Plastic ring is tightened with the tail portion that the dedicated release hook of plastic ring catches on circle again.
Since pliers or clip are to vise plastics astragal and wound tissue simultaneously, when tightening ring all pliers and clip together
It collapses, the big surface of a wound of 50mm can be sutured.But the method is complicated for operation, operating time is long, pliers or folder in tightening ring
Subheader portion, which can overturn to be trapped in the surface of a wound, to be unfavorable for postoperative falling off naturally.Often scope doctor can unusual headache ground careful operation
The movement of tightening ring is again turned on circle when if any overturning and is set right with other instruments and tightened after pliers or clip head again, so hand
The art time extends once again, and success rate further decreases.
Summary of the invention
This application provides a kind of medical multijaws to clamp, and in view of the deficiencies of the prior art with solution, pliers is directly used in solution
Carry out the suture of the big surface of a wound, operating time is long, success rate is low and instrument usage quantity more than problem.
The application provides a kind of medical multijaw pincers, comprising: pliers contains at least two pliers arm, can realize opening respectively
And be closed, there is the sliding slot of locking on pliers arm, there is the protrusion for locking on sliding slot；
Connecting tube, including distal side, middle part and proximal lateral, the distal side are equipped with fixed rigidity tong arm, proximal lateral
Equipped with detachably connectable convex-concave portion or hole portion, the medium position of the connecting tube is equipped with the constriction locked with pliers arm；
Drag-line, including at least two drag-lines, for controlling respectively, single pliers arm opens and closure, the stay cable end have
There is engaging portion that can be detachably connectable with pliers arm proximal end；
Buckle, separably attached with connecting tube, the buckle is equipped with the multiple protrusions extended laterally, the protrusion
Portion is combined with connecting tube, can be separated with connecting tube under drag-line tension active force；
Bourdon tube, around the cylindrical tube sheath of drag-line, spring tube end also has convex-concave portion, by convex-concave portion can with it is described
Connecting tube is separably attached；
Handle is connected to drag-line, for applying active force to drag-line, has at least two sliding blocks to control respectively on handle
Drag-line, mobile and release pliers component.
Optionally, the sliding slot on the pliers arm is multistage sliding slot, to realize opening and closing and the preliminary closure of pliers arm；
Pliers arm proximal end has the connector being connected with drag-line, and the connector is hole or axis, and the connector can
It is opened and closed attachment force with transmitting, and is separated under the certain pulling force effect of drag-line with the drag-line.
Optionally, the connecting tube distal side is equipped with inside protrusion, and the protrusion can cooperate with pliers arm aperture position,
To realize the opening and closing of pliers arm；The constriction of the connecting tube can cooperate with pliers arm proximal end, to realize the locking of pliers arm；
The proximal lateral of the connecting tube has convex-concave portion or hole portion, can be with the separable connection of buckle.
Optionally, the buckle has multiple protrusions of circumferencial direction arrangement, the protrusion and connecting tube and spring
Pipe combines, and any part of the buckle is combined with drag-line simultaneously, in the case where drag-line is by pulling force effect, buckle generates deformation
It is disconnected pipe and bourdon tube.
Optionally, the buckle and the bond area between the connecting tube, bourdon tube are clearance fit, described to ensure
After buckle separation, connecting tube is smoothly detached with bourdon tube.
Optionally, the spring end surfaces are equipped with and the convex-concave portion snapped connection or hole portion；The head of the bourdon tube is set
Have can 360 degree rotation stage portion, be clearance fit at the buckle and the cooperation of stage portion, to ensure bourdon tube and buckle energy
Opposite flexible rotating.
Optionally, the drag-line has distal lobe, and the distal lobe can be separably attached with pliers arm,
Under the action of by default pulling force, drag-line is deformed or is broken, and separates with pliers arm.
From the above technical scheme, the application provides a kind of medical multijaw pincers, is guided for alimentary canal by endoscope
Lower hemostasia and tissue suture, and it includes that multiple tong arms opposite respectively can be opened and be closed that the multijaw, which clamps, to realize the big surface of a wound
Draw tissue, pliers or clip relative to traditional permanent opening size can be applied to the bigger surface of a wound, due to the letter of its structure
It is single, it is easily fabricated, low in cost, may be implemented to repeat to be opened and closed, part it is few it is at low cost, easy to operate, convenient for release, therefore can be with
Shorten operating time, improve success rate of operation and reduces the usage quantity of surgical instrument.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is that a kind of medical multijaw of the application clamps general structure schematic diagram；
Fig. 2 is the application pliers arm configuration schematic diagram；
Fig. 3 is the application connecting pipe structure schematic diagram；
Fig. 4 is the structural schematic diagram of the application buckle；
Fig. 5 is the structural schematic diagram of the application drag-line；
Fig. 6 is the tong arm closure of the application two sides but does not lock status architecture schematic diagram；
Fig. 7 is the structural schematic diagram that the application pliers arm is closed lockup state sliding slot and protrusion；
Fig. 8 is the structural schematic diagram that the closed and locked state drag-line of the application pliers arm is separated with other；
Fig. 9 is the application elasticity tong arm Dual-layer combining structure schematic diagram；
Figure 10 is the staggered structural schematic diagram of the application elasticity tong arm.
Specific embodiment
Embodiment will be illustrated in detail below, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings,
Unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Implement described in following embodiment
Mode does not represent all embodiments consistent with the application.It is only and be described in detail in claims, the application
The example of the consistent system and method for some aspects.
In order to solve the above-mentioned technical problem, this application discloses a kind of medical multijaws to clamp, and can be respectively closed the control of tong arm
System, the big surface of a wound side tissue of 50mm is first vised in realization, then reaches big surface of a wound opposite by mobile scope and vise other side tissue, from
And the surface of a wound that a diameter is 50mm is reduced the surface of a wound by the two o'clock of maximum gauge, then in the same sample prescription in relatively large region
Method reduces the surface of a wound, and the suture of the small surface of a wound is finally realized with conventional pliers or clip.
As shown in Figure 1, a kind of medical multijaw pincers include pliers arm 1, connecting tube 2, buckle 3, bourdon tube 4, drag-line 5,
Handle 6, to realize that applying axial thrust and pulling force in handle 6 can drive drag-line 5 to realize the opening and closing of pliers arm 1, pliers arm 1
Locking, pliers arm 1 can be separated easily from bourdon tube 4 with connecting tube 2 and be detained human body and reach hemostasis and tissue suture
Function.
Specifically, as shown in Fig. 2, the pliers arm 1 has multistage sliding slot, to realize opening and closing and the preliminary closure of pliers arm 1.
There is 1 proximal end of pliers arm the hole being connected with drag-line 5 or axis, hole or axis can make pliers arm 1 under the action of 5 certain pulling force of drag-line
It is separated with the drag-line 5, but attachment force needed for there is normal opening and closing.
As shown in figure 3, connecting tube 2 has the inwardly projecting portion in distal end, can cooperate with 1 hole location of pliers arm to realize pliers arm
1 opening and closing；Its middle-end has constriction, and the locking to realize pliers arm 1 can be cooperated with pliers arm proximal end.Its proximal end has convex
Recess portion or hole portion, can be with 3 separable engagements of buckle.
As shown in figure 4, multiple protrusions of the buckle 3 with circumferencial direction, which can be with connecting tube 2 and bourdon tube
4 combine, and any part is combined with drag-line 5 simultaneously, in drag-line 5 by 3 generation deformation of buckle under pulling force effect to be detached from
Connecting tube 2 and bourdon tube 4, to realize efficiently separating for connecting tube 2 and bourdon tube 4.
Further, buckle 3 and the connecting tube 2,4 engaging portion of bourdon tube are clearance fits, to ensure that the buckle 3 separates
Connecting tube 2 can be smoothly detached with bourdon tube 4 afterwards.Bourdon tube 4 has end face convex-concave portion or hole portion, the convex-concave portion or hole portion and card
The claw connection of button 3.
4 head of bourdon tube, which has, to be clearance fit with respect to the stage portion of 360 degree rotation, the cooperation, to guarantee
Opposite flexible rotating.
As shown in figure 5, drag-line 5 has distal lobe, distal lobe can be separable in arbitrary shape and pliers arm 1
Ground connection, separates being deformed or being broken by certain pulling force effect downhaul 5 with 1 tail portion of pliers arm.
In practical application, as shown in Figure 1, a kind of medical multijaw pincers disclosed in the present application, when handle 6 apply axial thrust and
Pulling force can drive drag-line 5 to realize that the opening and closing of pliers arm 1, the locking of pliers arm 1, pliers arm 1 and connecting tube 2 can be from retainer groups
Part separation.
On handle 6 tool there are two control unit can be controlled separately drag-line 5 drive any one arm of pliers arm 1 it is relatively fixed
Fixation tong arm rotation in connecting tube 2 unilateral can be closed the unilateral tissue for vising the big surface of a wound to realize, move scope again at this time
Other side tong arm is closed to the other side repetitive operation above method to realize that clamping the other side organizes, and final realization is the big surface of a wound two
Side tissue collapses together.
There is pliers arm 1 multistage sliding slot pliers arm 1 at 1.1 position of initial point to be not in locking state, can arbitrarily weigh
Multiple opening and closing, when operator determines that operation need to only exert oneself again without mistaking to need to separate when pliers is detained human body, pliers arm 1 with connect
The protrusion 2.1 of pipe 2 cooperates, and due to being the transition fit of Machine Design mesoporous and axis, forces initial point 1.1 and locking point 1.2
Between protrusion deformation reach locking point to allow the protrusion 2.1 (or pin shaft) in connecting tube 2 to cross narrow protrusion.
In the present embodiment, as shown in Figure 1 and Figure 2, when not up to locking point 1.2, may be implemented pliers arm 1 opening and closing and
Preliminary closure；1 proximal end of pliers arm has the hole 1.4 being connected with drag-line 5 or axis 1.3, and the hole 1.4 or axis 1.3 can be in drag-lines 5 one
Determine under pulling force effect, so that pliers arm 1 is separated with the drag-line 5, but attachment force needed for there is normal opening and closing.
As shown in figure 3, connecting tube 2 has the inwardly projecting portion 2.1 in distal end, can cooperate with 1 hole location of pliers arm to realize pincers
The opening and closing of sub- arm 1.The middle-end of connecting tube 2 has relief portion 2.4 and tight lock part 2.2.As shown in Fig. 6, Fig. 7, Fig. 8, when axis 1.3 with
, it can be achieved that the locking of pliers arm 1 when tight lock part 2.2 combines；Its proximal end has convex-concave portion or hole portion 2.3, can be with buckle 3
The separable engagement of protrusion 3.1.
As shown in figure 4, buckle 3 with circumferencial direction multiple protrusions 3.1, the protrusion 3.1 can with connect pore
Portion 2.3 and bourdon tube hole portion combine, and any part on buckle 3 is combined with drag-line 5 simultaneously, in drag-line 5 by pulling force effect
Under, buckle 3 can generate deformation to being disconnected pipe 2 and bourdon tube 4, to realize efficiently separating for connecting tube 2 and bourdon tube 4.
Buckle 3 is also possible to that the V-arrangement steel wire with pawl is rich to be located on drag-line or connect with drag-line any way.
Bourdon tube 4 has end face convex-concave portion or hole portion, the claw connection of the convex-concave portion or hole portion and buckle.Drag-line 5 has
There is distal lobe 5.2, the distal lobe can be separably attached in arbitrary shape 5.1 and pliers arm 1, by certain
Pulling force effect downhaul 5 is deformed or is broken to be separated with 1 tail portion of pliers arm, and specifically, can be 5 any position of drag-line has
Itself tapered weak spot can fracture separation under certain force.
In another specific case study on implementation of the application, as shown in figure 9, can be by the tong arm structure with flexible deformation
At, it can be in being distributed up and down, drag-line 5 can be controlled separately two tong arms and realize opening and closure, utilize as above-mentioned principle
Flexible deformation is opened naturally to realize repeatable opening and closing, when determining drag-line 5 and the disconnection of tong arm any way when needing to discharge and stagnant
Stay human body.
It, as shown in Figure 10, can be by the tong arm structure with flexible deformation in another specific case study on implementation of the application
At can be controlled separately two tong arms in left and right distribution, drag-line 5 and realize and open and closure, be utilized as following principles
Flexible deformation is opened naturally to realize repeatable opening and closing, when determining drag-line 5 and the disconnection of tong arm any way when needing to discharge and stagnant
Stay human body.
From the above technical scheme, the application provides a kind of medical multijaw pincers, is guided for alimentary canal by endoscope
Lower hemostasia and tissue suture, and it includes that multiple tong arms opposite respectively can be opened and be closed that the multijaw, which clamps, to realize the big surface of a wound
Draw tissue, pliers or clip relative to traditional permanent opening size can be applied to the bigger surface of a wound, due to the letter of its structure
It is single, it is easily fabricated, low in cost, may be implemented to repeat to be opened and closed, part it is few it is at low cost, easy to operate, convenient for release, therefore can be with
Shorten operating time, improve success rate of operation and reduces the usage quantity of surgical instrument.
Similar portion cross-reference between embodiment provided by the present application, specific embodiment provided above is only
It is several examples under the total design of the application, does not constitute the restriction of the application protection scope.For those skilled in the art
For member, any other embodiment expanded without creative efforts according to application scheme all belongs to
In the protection scope of the application.
Claims (7)
1. a kind of medical multijaw pincers characterized by comprising
Pliers contains at least two pliers arm, can realize opening and closure respectively, have the sliding slot of locking, sliding slot on pliers arm
The upper protrusion with for locking；
Connecting tube, including distal side, middle part and proximal lateral, the distal side are equipped with fixed rigidity tong arm, and proximal lateral is equipped with
Detachably connectable convex-concave portion or hole portion, the medium position of the connecting tube are equipped with the constriction locked with pliers arm；
Drag-line, including at least two drag-lines, for controlling single pliers arm opening and closure respectively, the stay cable end has can
The detachably connectable engaging portion with pliers arm proximal end；
Buckle, separably attached with connecting tube, the buckle is equipped with multiple protrusions for extending laterally, the protrusion with
Connecting tube combines, and can separate with connecting tube under drag-line tension active force；
Bourdon tube, around the cylindrical tube sheath of drag-line, spring tube end also has convex-concave portion, can be with the connection by convex-concave portion
It manages separably attached；
Handle is connected to drag-line, for applying active force to drag-line, has at least two sliding blocks to control drawing respectively on handle
Rope, mobile and release pliers component.
2. medical multijaw pincers as described in claim 1, which is characterized in that the sliding slot on the pliers arm is multistage sliding slot, with
Realize opening and closing and the preliminary closure of pliers arm；
Pliers arm proximal end has the connector being connected with drag-line, and the connector is hole or axis, and the connector can pass
Opening and closing attachment force is passed, and is separated under the certain pulling force effect of drag-line with the drag-line.
3. medical multijaw pincers as described in claim 1, which is characterized in that the connecting tube distal side is equipped with inside protrusion
Portion, the protrusion can cooperate with pliers arm aperture position, to realize the opening and closing of pliers arm；The constriction of the connecting tube, can be with pincers
Sub- arm proximal end cooperation, to realize the locking of pliers arm；The proximal lateral of the connecting tube have convex-concave portion or hole portion, can with buckle can
Isolated connection.
4. medical multijaw pincers as described in claim 1, which is characterized in that the buckle has the multiple convex of circumferencial direction arrangement
Portion out, the protrusion are combined with connecting tube and bourdon tube, and any part of the buckle is combined with drag-line simultaneously, with
Under by pulling force effect, buckle generates deformation and is disconnected pipe and bourdon tube drag-line.
5. medical multijaw pincers as described in claim 1, which is characterized in that between the buckle and the connecting tube, bourdon tube
Bond area be clearance fit, after ensuring that the buckle separates, connecting tube is smoothly detached with bourdon tube.
6. medical multijaw pincers as described in claim 1, which is characterized in that the spring end surfaces be equipped with snap connection it is convex
Recess portion or hole portion；The head of the bourdon tube be equipped with can 360 degree rotation stage portion, it is described buckle and be at the cooperation of stage portion
Clearance fit, to ensure that bourdon tube and buckle can opposite flexible rotatings.
7. medical multijaw pincers as described in claim 1, which is characterized in that the drag-line has distal lobe, the distal end
Protrusion can be separably attached with pliers arm, and under the action of by default pulling force, drag-line is deformed or is broken, with pincers
Sub- arm separation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218952.3A CN109805986A (en) | 2019-03-21 | 2019-03-21 | A kind of medical multijaw pincers |
| PCT/CN2019/125023 WO2020186839A1 (en) | 2019-03-21 | 2019-12-13 | Medical multi-claw forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218952.3A CN109805986A (en) | 2019-03-21 | 2019-03-21 | A kind of medical multijaw pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109805986A true CN109805986A (en) | 2019-05-28 |
Family
ID=66609859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910218952.3A Pending CN109805986A (en) | 2019-03-21 | 2019-03-21 | A kind of medical multijaw pincers |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109805986A (en) |
| WO (1) | WO2020186839A1 (en) |
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| CN110292411A (en) * | 2019-08-06 | 2019-10-01 | 南京微创医学科技股份有限公司 | A kind of tissue folder closes device |
| CN111436979A (en) * | 2020-04-07 | 2020-07-24 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Rotation gear shifting device convenient to operate under endoscope and handle |
| CN111481304A (en) * | 2020-05-09 | 2020-08-04 | 南微医学科技股份有限公司 | Three-arm clamp |
| WO2020186839A1 (en) * | 2019-03-21 | 2020-09-24 | 南微医学科技股份有限公司 | Medical multi-claw forceps |
| WO2020224262A1 (en) * | 2019-05-05 | 2020-11-12 | 南微医学科技股份有限公司 | Slide slot type multi-arm clamp |
| WO2021098462A1 (en) * | 2019-11-18 | 2021-05-27 | 微创优通医疗科技(嘉兴)有限公司 | Hemostatic clip and auxiliary system |
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| WO2020186839A1 (en) * | 2019-03-21 | 2020-09-24 | 南微医学科技股份有限公司 | Medical multi-claw forceps |
| WO2020224262A1 (en) * | 2019-05-05 | 2020-11-12 | 南微医学科技股份有限公司 | Slide slot type multi-arm clamp |
| CN110292411A (en) * | 2019-08-06 | 2019-10-01 | 南京微创医学科技股份有限公司 | A kind of tissue folder closes device |
| CN110292411B (en) * | 2019-08-06 | 2024-04-16 | 南微医学科技股份有限公司 | Tissue clamping device |
| WO2021098462A1 (en) * | 2019-11-18 | 2021-05-27 | 微创优通医疗科技(嘉兴)有限公司 | Hemostatic clip and auxiliary system |
| CN111436979A (en) * | 2020-04-07 | 2020-07-24 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Rotation gear shifting device convenient to operate under endoscope and handle |
| CN111436979B (en) * | 2020-04-07 | 2021-06-15 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Rotation gear shifting device convenient to operate under endoscope and handle |
| CN111481304A (en) * | 2020-05-09 | 2020-08-04 | 南微医学科技股份有限公司 | Three-arm clamp |
| WO2021227793A1 (en) * | 2020-05-09 | 2021-11-18 | 南微医学科技股份有限公司 | Three-arm clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020186839A1 (en) | 2020-09-24 |
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Address after: 210032 No. 10, No. 3 Gaoke Road, Pukou District, Nanjing City, Jiangsu Province Applicant after: Nanwei Medical Technology Co., Ltd Address before: 210032 No. 10, No. 3 Gaoke Road, Pukou District, Nanjing City, Jiangsu Province Applicant before: Micro-Tech (Nanjing) Co., Ltd. |