CN111388028A - Self-anastomotic sampling forceps - Google Patents
Self-anastomotic sampling forceps Download PDFInfo
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- CN111388028A CN111388028A CN202010370946.2A CN202010370946A CN111388028A CN 111388028 A CN111388028 A CN 111388028A CN 202010370946 A CN202010370946 A CN 202010370946A CN 111388028 A CN111388028 A CN 111388028A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
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Abstract
The invention relates to the technical field of medical instruments, in particular to a self-anastomosis sampling forceps, which aims to solve the problems that the forceps head of the existing sampling forceps is dislocated and cannot be automatically corrected after being dislocated, and the tearing is easily caused and the like. The male forceps head part and the female forceps head part of the self-anastomotic sampling forceps are matched in a coating mode, and the male forceps handle part and the female forceps handle part are matched in an inserting mode; when one of the male and female jaws is deflected, the deflected one of the male and female jaws carries the other synchronized deflection by the handle. The self-anastomosis sampling forceps provided by the invention can self-correct, realize self-anastomosis and effectively avoid the problems of tearing and the like.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a self-anastomosis sampling forceps.
Background
The sampling forceps are used for clamping living tissue samples of the digestive tract and the respiratory tract. When the sampling forceps are used, the forceps heads need to be opened and aligned with biopsy tissues and closed, the opened forceps heads are aligned with the cup openings of the mucous membranes, and the closed forceps heads need to be anastomosed.
At present, because the cutting edge of the forceps head is thin, the anastomosis pairing is difficult, the phenomena of malocclusion and weakness are easy to occur in use, the phenomenon of tearing bleeding is frequent, the efficiency of the operation is reduced, and the pain of a patient is increased.
The existing sampling forceps acquire biopsy tissues in a 'tearing' mode after 'clamping forceps', peripheral tissues can be seriously damaged by tearing, and great pain is brought to a patient due to damage and bleeding; the tissue is obtained by a tearing mode, a large tightening force is needed, and meanwhile the tissue needs to be pulled rapidly, under the condition, the forceps head is easy to incline and transversely shift, deviation and inaccuracy occur when the tissue is extracted, and the accuracy of diagnosis is influenced.
To sum up, the ubiquitous tong head of current sampling pincers misplaces, can't automatic correction after the dislocation, leads to easily tearing the scheduling problem.
Disclosure of Invention
The invention aims to provide a self-anastomosis sampling forceps, which solves the problems that the existing sampling forceps are generally incapable of automatically correcting the dislocation of forceps heads, and easily cause tearing and the like.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a self-anastomotic sampling forceps comprises a male forceps and a female forceps;
the male plier head part is matched with the female plier head part in a coating way, and the male plier handle part is matched with the female plier handle part in an inserting way;
when one of the male pliers and the female pliers is deviated, the deviated male pliers and the female pliers drive the other synchronous deviation through the handle.
Further, in the present invention,
the male forceps head and the female forceps head realize tissue cutting in a line-surface contact mode.
Further, in the present invention,
the male tong head part is provided with a first inclined surface, and the first inclined surface is arranged at the outer edge of the male tong head part;
the female tong head is provided with a second inclined surface, the second inclined surface is arranged on the inner edge of the female tong head, and the inclination angle of the second inclined surface is different from that of the first inclined surface;
the first inclined surface and the second inclined surface form line-surface contact.
Further, in the present invention,
the male tong head portion and the female tong head portion are identical in outer diameter, and in a mutually coated state, the male tong head portion and the female tong head portion are combined to form a cylindrical outer surface.
Further, in the present invention,
and step seams are formed on the edges of the male tong head part and the female tong head part under the condition that the male tong head part and the female tong head part are mutually coated.
Further, in the present invention,
the male plier handle is provided with a male long plate, the female plier handle is provided with a female long plate, and the male long plate and the female long plate can rotate mutually;
the male and female nipper heads are closed as the male and female long plates approach each other, and are opened as the male and female long plates move away from each other.
Further, in the present invention,
the male plier handle part is also provided with a male short plate, and the female plier handle part is also provided with a female short plate;
the male short plate is attached to the inner side of the female long plate, and the female short plate is attached to the inner side of the male long plate;
the first positioning shaft penetrates through the male short plate, the male long plate, the female long plate and the female short plate.
Further, in the present invention,
the sampling forceps further comprise a forceps head seat, and the forceps head seat is provided with a first fixing plate and a second fixing plate which are arranged in parallel;
two ends of the first positioning shaft are respectively fixed on the first fixing plate and the second fixing plate.
Further, in the present invention,
the self-anastomotic sampling forceps comprise a first driving mechanism,
the first driving mechanism comprises a first connecting rod, a second connecting rod and a first pull rod;
the first connecting rod is hinged with the end part of the male long plate; the second connecting rod is hinged with the end part of the mother long plate, and the first connecting rod is hinged with the second connecting rod; the first link, the second link, the male long plate and the female long plate form a four-link mechanism;
the top end of the first pull rod is connected to a hinge point between the first connecting rod and the second connecting rod and is configured to be capable of pulling the four-bar linkage under the condition of self expansion and contraction.
Further, in the present invention,
the male plier handle part is also provided with a male short plate, and the female plier handle part is also provided with a female short plate;
the male short plate is attached to the female long plate, and the female short plate is attached to the male long plate.
Further, in the present invention,
the self-anastomosis sampling forceps comprise a second driving mechanism, the second driving mechanism comprises a second pull rod, and the top end of the second pull rod is hinged with the male long plate and the female long plate;
the second pull rod is configured to drive the male long plate and the female long plate to open and close in the self-extension process.
Further, in the present invention,
the self-anastomosis sampling forceps further comprise a positioning mechanism, wherein the positioning mechanism comprises long holes which are respectively arranged on the male short plate and the female short plate in a staggered mode, long holes which are respectively arranged on the male short plate and the female long plate in a staggered mode, and a second positioning shaft which sequentially penetrates through the long holes on the male short plate, the long holes on the female long plate, the long holes on the male long plate and the long holes on the female short plate.
Further, in the present invention,
the sampling forceps also comprise a forceps head seat, the forceps head seat is provided with a first fixing plate and a second fixing plate which are arranged in parallel,
and two ends of the second positioning shaft are respectively fixed on the first fixing plate and the second fixing plate.
By combining the technical scheme, the invention can realize the technical effects that:
according to the sampling forceps, the male forceps head portion and the female forceps head portion are occluded in a coating mode, and the male forceps handle portion and the female forceps handle portion are mutually inserted and matched, so that when the male forceps head portion is deviated in the using process, the male forceps handle portion is correspondingly deviated, the male forceps handle portion drives the female forceps handle portion to deviate in the same direction, the deviation of the female forceps handle portion drives the female forceps head portion to deviate in the same direction until the female forceps head portion and the male forceps head portion are occluded again, self adjustment is achieved, and self-anastomosis is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic plan view of a self-anastomotic sampling forceps according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of a self-anastomotic sampling forceps having a forceps head seat removed according to an embodiment of the present invention;
FIG. 3 is a schematic view of a male portion and a female portion of a self-anastomotic sampling forceps according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of another self-anastomotic sampling forceps according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of another self-anastomotic sampling forceps according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the open state of the male forceps and the female forceps in the self-anastomotic sampling forceps according to the embodiment of the invention;
FIG. 7 is a schematic perspective view of a self-anastomotic sampling clamp according to an embodiment of the present invention in a closed state;
FIG. 8 is a schematic plan view of a self-anastomotic sampling forceps having a closed male and female portion according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view A-A of FIG. 8;
fig. 10 is a schematic cross-sectional view a-a of fig. 8 (showing the step slit).
Icon:
100-male pliers; 200-mother pincers; 101-a first bevel; 201-a second bevel; 110-male long plate; 120-short board; 210-mother long plate; 220-mother short board; 300-a jaw seat; 310-a first fixing plate; 320-a second fixing plate; 400-a first positioning axis; 510-a first link; 520-a second link; 530-a first pull rod; 600-a second tie rod; 700-a second positioning shaft; 800-step seam.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with one another without conflict
Example one
This embodiment provides a self-anastomotic sampling forceps, please refer to fig. 1 to 10 together. The self-anastomotic sampling forceps comprise a male forceps 100 and a female forceps 200;
the head of the male pliers 100 is matched with the head of the female pliers 200 in a coating way, and the handle of the male pliers 100 is matched with the handle of the female pliers 200 in an inserting way;
when one of the male pliers 100 and the female pliers 200 is displaced, the displaced one of the male pliers 100 and the female pliers 200 carries the other synchronized displacement by the handle.
In the sampling forceps, the head of the male forceps 100 is engaged with the head of the female forceps 200 in a coating manner, and the handle of the male forceps 100 is engaged with the handle of the female forceps 200 in an inserting manner, so that when the head of the male forceps 100 is deviated in the using process, the handle of the male forceps 100 is correspondingly deviated, the handle of the male forceps 100 drives the handle of the female forceps 200 to deviate in the same direction, and the deviation of the handle of the female forceps 200 drives the head of the female forceps 200 to deviate in the same direction until the head of the female forceps 200 is engaged with the head of the male forceps 100 again, so that self-adjustment is completed, and self-.
In an alternative to this embodiment, it is preferable that,
referring to fig. 9, fig. 9 is a cross-sectional view of a-a in fig. 8,
the head of the male pliers 100 is provided with a first inclined surface 101, and the first inclined surface 101 is arranged at the outer edge of the head of the male pliers 100;
the head of the female pliers 200 is provided with a second inclined surface 201, the second inclined surface 201 is arranged on the inner edge of the head of the female pliers 200, and the inclination angle of the second inclined surface 201 is different from that of the first inclined surface 101;
the first inclined plane 101 and the second inclined plane 201 form line-surface contact, even if the head of the male pliers 100 or the head of the female pliers 200 deviates and the cutting edge is deformed, the head of the male pliers 100 and the head of the female pliers 200 can always ensure the line-surface contact of the first inclined plane 101 and the second inclined plane 201, and thus, the line cutting is realized. The cutting mode of line-surface contact is adopted, and the cutting capability is stronger due to the small line-surface contact area, so that the tissue can be prevented from being torn, and the problem that great pain is brought to a patient due to tissue damage and bleeding is prevented.
In an alternative to this embodiment, it is preferable that,
the head of the male plier 100 and the head of the female plier 200 have the same outer diameter, and in the mutually coated state, the head of the male plier 100 and the head of the female plier 200 are combined to form a cylindrical outer surface. The cylindrical outer surface prevents the outer surface of the forceps head from damaging the tissue surface, and is more beneficial to the passage of the endoscope.
In an alternative to this embodiment, it is preferable that,
the edges of the head of the male plier 100 and the head of the female plier 200 are formed with a stepped seam 800 in the condition that the head of the male plier 100 and the head of the female plier 200 are mutually covered. Regarding the shape of the stepped seam 800, referring to fig. 10, the outer edge of the head of the male plier 100 is provided with a first inclined surface 101, and the end surface is provided with a plane (the end surface is a plane in the horizontal direction of the head of the male plier 100 in fig. 10). The inner edge of the head of the mother forceps 200 is provided with the second inclined surface 201, the end surface is arranged to be a plane (the end surface is a plane in the horizontal direction of the head of the mother forceps 200 in fig. 10), the inclination angles of the first inclined surface 101 and the second inclined surface 201 are different, so that a triangular notch can be formed at the edge and is a step seam 800, the step seam 800 provides a certain fault-tolerant space, a sharp edge cannot be formed in the using process, even if a part is deformed, the part is always a cylinder without the sharp edge, and the protection of a patient and surgical equipment in use are facilitated in an operation.
There are various ways to achieve the interfitting engagement of the shanks of the male pliers 100 and the shanks of the female pliers 200, two specific embodiments of which are listed below:
the first method is as follows:
referring to fig. 1 to 3 together, the shank of the male pliers 100 is provided with a male long plate 110, the shank of the female pliers 200 is provided with a female long plate 210, and the male long plate 110 and the female long plate 210 can rotate mutually; the male plier 100 head and the female plier 200 head close as the male long plate 110 and the female long plate 210 approach each other and open as the male long plate 110 and the female long plate 210 move away from each other.
In the alternative of this embodiment, preferably, referring to fig. 3, the shank of the male pliers 100 is further provided with a male short plate 120, and the shank of the female pliers 200 is further provided with a female short plate 220; the male short plate 120 is attached to the inner side of the female long plate 210, and the female short plate 220 is attached to the inner side of the male long plate 110.
In the alternative of this embodiment, it is preferable that the first positioning shaft 400 passes through the male long plate 110, the female short plate 220, the male short plate 120, and the female long plate 210 in this order.
In an alternative of this embodiment, it is preferable that the sampling forceps further includes a forceps head holder 300, the forceps head holder 300 has a first fixing plate 310 and a second fixing plate 320 arranged in parallel, and both ends of the first positioning shaft 400 are fixed to the first fixing plate 310 and the second fixing plate 320, respectively.
Regarding the structure of the forceps head holder 300, specifically: the pliers head seat 300 is integrally formed into a cylindrical structure, a notch is formed in the middle of the pliers head seat, and the handles of the male pliers 100 and the female pliers 200 are located in the notch. The first fixing plate 310 and the second fixing plate 320 are respectively disposed at two sides of the notch, and the first fixing plate 310 and the second fixing plate 320 are respectively provided with a connecting hole for being matched with the first positioning shaft 400. The bottom of the notch is provided with an opening for the first pull rod 530 to pass through.
The principle of achieving self-anastomosis is described in detail in the first embodiment below:
when the head of the male forceps 100 is deviated, the male long plate 110 and the male short plate 120 are deviated integrally, meanwhile, the female long plate 210 and the female short plate 220 are deviated in the same direction under the action of the deviation force of the male long plate 110 and the male short plate 120, and the deviation of the female long plate 210 and the female short plate 220 in the same direction drives the head of the female forceps 200 to be deviated in the same direction, so that self-anastomosis is realized.
The driving manner of the male plate 110 and the female plate 210 in this manner is described below:
referring to FIG. 2, the self-anastomotic sampling forceps comprises a first driving mechanism including a first link 510, a second link 520, and a first pull rod 530;
the first link 510 is hinged to the end of the male plate 110; the second connecting rod 520 is hinged with the end part of the long female plate 210, and the first connecting rod 510 and the second connecting rod 520 are hinged with each other; the first link 510, the second link 520, the male plate 110, and the female plate 210 form a four-link mechanism;
the top end of the first pull rod 530 is connected to a hinge point between the first link 510 and the second link 520, and is configured to pull the four-bar linkage in a state of being extended and contracted by itself.
Specifically, the method comprises the following steps:
when the self-anastomosis forceps need to be opened, the first pull rod 530 is driven to move towards the direction close to the forceps heads, the four-bar mechanism is driven to transversely extend while the first pull rod 530 moves towards the direction close to the forceps heads, at the moment, the included angle between the first connecting rod 510 and the second connecting rod 520 is increased, the included angle between the male long plate 110 and the female long plate 210 is increased, and therefore the head of the male forceps 100 and the head of the female forceps 200 are opened.
When the self-anastomotic forceps need to be closed, the first pull rod 530 is driven to move towards the direction far away from the forceps heads, the four-bar linkage mechanism is driven to longitudinally extend while the first pull rod 530 moves towards the direction far away from the forceps heads, at the moment, the included angle between the first connecting rod 510 and the second connecting rod 520 is reduced, the included angle between the male long plate 110 and the female long plate 210 is reduced, and therefore the head of the male forceps 100 and the head of the female forceps 200 are closed.
The second method comprises the following steps:
referring to fig. 4, the handle of the male pliers 100 is provided with a male long plate 110, the handle of the female pliers 200 is provided with a female long plate 210, and the male long plate 110 and the female long plate 210 can rotate mutually;
the male plier 100 head and the female plier 200 head close as the male long plate 110 and the female long plate 210 approach each other and open as the male long plate 110 and the female long plate 210 move away from each other.
The handle of the male pliers 100 is also provided with a male short plate 120, and the handle of the female pliers 200 is also provided with a female short plate 220;
male short panel 120 is attached to female long panel 210 and female short panel 220 is attached to male long panel 110.
In an alternative of this embodiment, please refer to fig. 5 and 6, preferably, the self-anastomotic sampling forceps further includes a positioning mechanism, the positioning mechanism includes long holes respectively disposed on the male short plate 110 and the female short plate 220 in a staggered manner, long holes respectively disposed on the male short plate 120 and the female short plate 210 in a staggered manner, and a second positioning shaft 700 sequentially passing through the long holes on the male short plate 120, the long holes on the female long plate 210, the long holes on the male long plate 110, and the long holes on the female short plate 220.
In an alternative to this embodiment, it is preferable that,
the sampling forceps further includes a forceps head holder 300, the forceps head holder 300 has a first fixing plate 310 and a second fixing plate 320 arranged in parallel, and both ends of the second positioning shaft 700 are fixed to the first fixing plate 310 and the second fixing plate 320, respectively.
Regarding the structure of the forceps head holder 300, specifically: the pliers head seat 300 is integrally formed into a cylindrical structure, a notch is formed in the middle of the pliers head seat, and the handles of the male pliers 100 and the female pliers 200 are located in the notch. The first fixing plate 310 and the second fixing plate 320 are respectively disposed at two sides of the notch, and the first fixing plate 310 and the second fixing plate 320 are respectively provided with a connecting hole for being matched with the second positioning shaft 700.
The driving method of the male plate 110 and the female plate 210 in this manner will be described below
Referring to fig. 4, the self-anastomotic sampling forceps comprises a second driving mechanism, the second driving mechanism comprises a second pull rod 600, and the top end of the second pull rod 600 is hinged with the male long plate 110 and the female long plate 210;
the second pull rod 600 is configured to drive the male long plate 110 and the female long plate 210 to open and close in the process of self-extension.
The movement pattern is explained in detail as follows:
when the second pull rod 600 moves towards the direction of the head of the pliers, the male long plate 110 and the female long plate 210 are jacked up, the included angle between the two plates becomes larger, meanwhile, the male long plate 110, the female long plate 210, the male short plate 120 and the female short plate 220 move towards the direction away from each other around the second positioning shaft 700 under the limiting effect of the respective long holes, and the head of the male pliers 100 and the head of the female pliers 200 are opened.
When the second pull rod 600 moves away from the head of the pliers, the included angle between the male long plate 110 and the female long plate 210 is reduced under the driving of the second pull rod 600, and at the same time, the male long plate 110, the female long plate 210, the male short plate 120 and the female short plate 220 move around the second positioning shaft 700 in the direction of approaching each other under the limiting action of the respective long holes, and the head of the male pliers 100 and the head of the female pliers 200 are closed.
In addition, it should be added that the conventional sampling forceps require various assembling and welding processes to ensure that the forceps heads are anastomotic, and the sampling forceps provided by the embodiment only comprise the male forceps 100, the female forceps 200, the forceps head seat 300, the pull rod and two connecting pieces, so that the number of parts is small, the assembly is simple, and the production efficiency is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (13)
1. A self-anastomotic sampling forceps is characterized by comprising a male forceps and a female forceps;
the male plier head part is matched with the female plier head part in a coating way, and the male plier handle part is matched with the female plier handle part in an inserting way;
when one of the male pliers and the female pliers is deviated, the deviated male pliers and the female pliers drive the other synchronous deviation through the handle.
2. The self-anastomotic sampling forceps according to claim 1, wherein: the male forceps head and the female forceps head realize tissue cutting in a line-surface contact mode.
3. The self-anastomotic sampling forceps according to claim 2,
the male tong head part is provided with a first inclined surface, and the first inclined surface is arranged at the outer edge of the male tong head part;
the female tong head is provided with a second inclined surface, the second inclined surface is arranged on the inner edge of the female tong head, and the inclination angle of the second inclined surface is different from that of the first inclined surface;
and line-surface contact is formed between the first inclined surface and the second inclined surface, and finally a line is formed.
4. The self-anastomotic sampling forceps according to claim 1,
the male tong head portion and the female tong head portion are identical in outer diameter, and in a mutually coated state, the male tong head portion and the female tong head portion are combined to form a cylindrical outer surface.
5. The self-anastomotic sampling forceps according to any one of claims 1 to 4,
and step seams are formed on the edges of the male tong head part and the female tong head part under the condition that the male tong head part and the female tong head part are mutually coated.
6. The self-anastomotic sampling forceps according to claim 1,
the male plier handle is provided with a male long plate, the female plier handle is provided with a female long plate, and the male long plate and the female long plate can rotate mutually;
the male and female nipper heads are closed as the male and female long plates approach each other, and are opened as the male and female long plates move away from each other.
7. The self-anastomotic sampling forceps according to claim 6,
the male plier handle part is also provided with a male short plate, and the female plier handle part is also provided with a female short plate;
the male short plate is attached to the inner side of the female long plate, and the female short plate is attached to the inner side of the male long plate;
the first positioning shaft penetrates through the male long plate, the female short plate, the male short plate and the female long plate.
8. The self-anastomotic sampling forceps according to claim 7,
the sampling forceps further comprise a forceps head seat, and the forceps head seat is provided with a first fixing plate and a second fixing plate which are arranged in parallel;
two ends of the first positioning shaft are respectively fixed on the first fixing plate and the second fixing plate.
9. The self-anastomotic sampling forceps according to claim 8,
the self-anastomotic sampling forceps comprise a first driving mechanism,
the first driving mechanism comprises a first connecting rod, a second connecting rod and a first pull rod;
the first connecting rod is hinged with the end part of the male long plate; the second connecting rod is hinged with the end part of the mother long plate, and the first connecting rod is hinged with the second connecting rod; the first link, the second link, the male long plate and the female long plate form a four-link mechanism;
the top end of the first pull rod is connected to a hinge point between the first connecting rod and the second connecting rod and is configured to be capable of pulling the four-bar linkage under the condition of self expansion and contraction.
10. The self-anastomotic sampling forceps according to claim 6,
the male plier handle part is also provided with a male short plate, and the female plier handle part is also provided with a female short plate;
the male short plate is attached to the outer side of the female long plate, and the female short plate is attached to the outer side of the male long plate.
11. The self-anastomotic sampling forceps of claim 10,
the self-anastomosis sampling forceps comprise a second driving mechanism, the second driving mechanism comprises a second pull rod, and the top end of the second pull rod is hinged with the male long plate and the female long plate;
the second pull rod is configured to drive the male long plate and the female long plate to open and close in the self-extension process.
12. The self-anastomotic sampling forceps of claim 11,
the self-anastomosis sampling forceps further comprise a positioning mechanism, wherein the positioning mechanism comprises long holes which are respectively arranged on the male short plate and the female short plate in a staggered mode, long holes which are respectively arranged on the male short plate and the female long plate in a staggered mode, and a second positioning shaft which sequentially penetrates through the long holes on the male short plate, the long holes on the female long plate, the long holes on the male long plate and the long holes on the female short plate.
13. The self-anastomotic sampling forceps of claim 12,
the sampling forceps also comprise a forceps head seat, the forceps head seat is provided with a first fixing plate and a second fixing plate which are arranged in parallel,
and two ends of the second positioning shaft are respectively fixed on the first fixing plate and the second fixing plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370946.2A CN111388028A (en) | 2020-04-30 | 2020-04-30 | Self-anastomotic sampling forceps |
| PCT/CN2020/095270 WO2021217791A1 (en) | 2020-04-30 | 2020-06-10 | Biopsy forceps having matching jaws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370946.2A CN111388028A (en) | 2020-04-30 | 2020-04-30 | Self-anastomotic sampling forceps |
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| Publication Number | Publication Date |
|---|---|
| CN111388028A true CN111388028A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010370946.2A Pending CN111388028A (en) | 2020-04-30 | 2020-04-30 | Self-anastomotic sampling forceps |
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| Country | Link |
|---|---|
| CN (1) | CN111388028A (en) |
| WO (1) | WO2021217791A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000210294A (en) * | 1998-11-20 | 2000-08-02 | Asahi Optical Co Ltd | Biopsy forceps for endoscope |
| CN2927996Y (en) * | 2006-07-20 | 2007-08-01 | 王旭瑞 | Forceps head module of endoscope biopsy forceps |
| CN204600547U (en) * | 2015-04-20 | 2015-09-02 | 江苏安特尔医疗科技有限公司 | Disposable endoscope biopsy forceps |
| CN206324806U (en) * | 2016-08-30 | 2017-07-14 | 上海复堂生物科技有限公司 | Biopsy forceps |
| CN207640448U (en) * | 2017-05-10 | 2018-07-24 | 安瑞医疗器械(杭州)有限公司 | A kind of new structural endoscope living body forceps head component |
| CN207707946U (en) * | 2017-06-01 | 2018-08-10 | 浙江创想医学科技有限公司 | A kind of biopsy forceps head with nano coating |
-
2020
- 2020-04-30 CN CN202010370946.2A patent/CN111388028A/en active Pending
- 2020-06-10 WO PCT/CN2020/095270 patent/WO2021217791A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2021217791A1 (en) | 2021-11-04 |
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