CN213310113U - Return larynx nerve separating forceps for entering larynx - Google Patents
Return larynx nerve separating forceps for entering larynx Download PDFInfo
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- CN213310113U CN213310113U CN202021329139.8U CN202021329139U CN213310113U CN 213310113 U CN213310113 U CN 213310113U CN 202021329139 U CN202021329139 U CN 202021329139U CN 213310113 U CN213310113 U CN 213310113U
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Abstract
The utility model discloses a laryngeal recurrent nerve throat-entering separating forceps, belonging to the technical field of medical instruments. The separation head of the existing scheme is of a linear structure, but the throat of a human body has a certain radian, and the separation head of the linear structure easily bruises nerves and blood vessels nearby after extending into the throat, so that the blood vessels nearby the recurrent laryngeal nerves are bled. The utility model relates to a laryngeal recurrent nerve throat-entering separating forceps, the front end of a first clamping arm is connected with a first clamping part, and the front end of a second clamping arm is connected with a second clamping part; the first clamping part and the second clamping part are bent towards the same direction respectively to form arc structures capable of clamping mutually. The utility model discloses the setting has the clamping part of certain radian, and the arc structure of clamping part can laminate mutually with the natural bending of going into larynx department, and then can remain the nerve of going into larynx department, need not go to separate again carelessly and press close to the blood vessel of larynx recurrent nerve, effectively reduces the vascular hemorrhage, further avoids the nerve heat injury that the back hemostasis leads to of bleeding.
Description
Technical Field
The utility model relates to a laryngeal recurrent nerve throat-entering separating forceps, which belongs to the technical field of medical instruments.
Background
Chinese patent (publication No. CN 204744268U) discloses recurrent laryngeal nerve separating forceps for thyroid surgery, which comprises two forceps arms hinged to each other through a rotating shaft, and the tail end of each forceps arm is fixedly connected with an integrally formed ring, and is characterized in that: the separation head is fixedly connected to the front end of the forceps arm and integrally formed with the forceps arm, an included angle between the front end face of the separation head and the forceps arm is 120-160 degrees, a recurrent laryngeal nerve containing groove is formed in the inner side of the separation head and is arranged oppositely, and the recurrent laryngeal nerve separation groove is parallel to the front end face of the separation head. The utility model discloses can seek and separate out the larynx fast and return nerve at the thyroid surgery in-process, alleviate the damage of blood vessel, trachea and esophagus and larynx and return the adjacent organ of nerve or tissue, guarantee going on smoothly of thyroid surgery.
However, the separation head of the scheme is of a linear structure, but the throat of a human body has a certain radian, and the separation head of the linear structure is extended into the throat and easily bruises nerves and blood vessels nearby, so that bleeding of blood vessels nearby the recurrent laryngeal nerves is caused.
Furthermore, an ultrasonic knife or an electric knife is often used for hemostasis after bleeding, but the bleeding point is very close to the nerve, which causes the nerve thermal injury after hemostasis, hoarse voice, choking cough after operation and other problems.
SUMMERY OF THE UTILITY MODEL
To the defect of prior art, the utility model aims to provide a clamping part with certain radian utilizes the natural camber of clamping part, will go into the nerve of larynx department and remain, presss from both sides close near blood vessel, and then effectively avoided the neural larynx separation pincers that go into the larynx of heat damage of larynx returning.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a laryngeal recurrent nerve laryngeal separation forceps, which comprises a first forceps body and a second forceps body which are mutually crossed and hinged,
the hinge joint divides the first clamp body into a first handle and a first clamping arm, and divides the second clamp body into a second handle and a second clamping arm;
the front end of the first clamping arm is connected with a first clamping part, and the front end of the second clamping arm is connected with a second clamping part;
the first clamping part and the second clamping part are bent towards the same direction respectively to form arc structures capable of clamping mutually.
The utility model discloses the setting has the clamping part of certain radian, and the arc structure of clamping part can laminate mutually with the natural bending of going into larynx department, and then can remain the nerve of going into larynx department, need not go to separate again carelessly and press close to the blood vessel of larynx recurrent nerve, effectively reduces the vascular hemorrhage, and then avoids the nerve heat injury that hemostasis leads to after the hemorrhage.
Further, the utility model discloses can strut the tissue on neural surface, near the clamping part can be pressed from both sides and close blood vessel, then usable tissue is cut and is cut the tissue, and thyroid gland is glandular under the free, and the blood vessel is pressed from both sides and is closed and can effectively avoid its hemorrhage. The use of the tissue scissors further avoids thermal injury, so that the problems of hoarseness, choking of drinking water and the like caused after operation do not need to be worried about.
As a preferable technical measure:
the cross section of the arc-shaped structure is semicircular, and the diameter of the arc-shaped structure is 1-2 cm, so that the arc-shaped structure is matched with the natural bending degree of the throat, and the structure is simple and practical.
As a preferable technical measure:
one or both of the first clamping part and the second clamping part are provided with sawteeth on the opposite side, so that friction is increased, and slipping of the clamping parts when clamping blood vessels is avoided.
As a preferable technical measure:
the first clamping part and the second clamping part are respectively made of titanium alloy, the structural hardness of the titanium alloy is moderate, the titanium alloy is suitable for being applied to the scene, and the scheme is practical.
As a preferable technical measure:
the thickness of the first clamping part and the second clamping part is 0.5-3 mm.
Since the common recurrent laryngeal nerve enters the laryngeal point and is only 2-3mm away from the thyroid gland in clinic, the thicknesses of the first clamping part and the second clamping part are preferably 1 mm.
As a preferable technical measure:
one side of the first clamping part opposite to the second clamping part is of a plane structure, and the other side of the first clamping part opposite to the second clamping part is of a smooth cambered surface structure.
The back of the first clamping part and the back of the second clamping part are of smooth cambered surface structures, so that the clamping parts can be effectively prevented from damaging nerve tissues.
As a preferable technical measure:
the first clamping part and the second clamping part are respectively spliced with the first clamping arm and the second clamping arm, so that the clamping parts can be conveniently disassembled and assembled on the clamping arms, the clamping parts can be replaced at any time, and the sanitation requirements of hospitals are met.
As a preferable technical measure:
the rear end of first handle and second handle is equipped with the buckle of being convenient for to point the cross-under respectively, is convenient for grip the utility model discloses a separation pincers.
As a preferable technical measure:
the radian orientation of the arc-shaped structure is the same as the opening and closing directions of the first handle and the second handle, so that the volume occupied by the separating forceps during opening and closing is reduced, and the damage to human tissues is reduced as much as possible.
As a preferable technical measure:
a rod piece capable of limiting the clamping degree of the first handle and the second handle is arranged at one or both of the first handle and the second handle;
the length of the rod piece is matched with the clamping degree of the first handle and the second handle, and the structure is simple and practical.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses the setting has the clamping part of certain radian, and the arc structure of clamping part can laminate mutually with the natural bending of going into larynx department, and then can remain the nerve of going into larynx department, need not go to separate again carelessly and press close to the blood vessel of larynx recurrent nerve, effectively reduces the vascular hemorrhage, and then avoids the nerve heat injury that hemostasis leads to after the hemorrhage.
Further, the utility model discloses can strut the tissue on neural surface, near the clamping part can be pressed from both sides and close blood vessel, then usable tissue is cut and is cut the tissue, and thyroid gland is glandular under the free, and the blood vessel is pressed from both sides and is closed and can effectively avoid its hemorrhage. The use of the tissue scissors further avoids thermal injury, so that the problems of hoarseness, choking of drinking water and the like caused after operation do not need to be worried about.
Drawings
FIG. 1 is a structural view of a first clamp body and a second clamp body of the present invention;
FIG. 2 is a view of a structure of a clamping portion of the present invention;
FIG. 3 is a view of the structure of the clamping portion shown in FIG. 2 with additional serrations;
fig. 4 is a view of another structure of the clamping portion of the present invention.
Description of reference numerals:
1. a first caliper body; 2. a second caliper body; 3. a first clamping part; 4. a second clamping part; 5. a hinge joint; 6. a retaining ring; 7. a rod member; 11. a first handle; 12. a first clamp arm; 21. a second handle; 22. a second clamp arm; 31. and (4) saw teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
It should be noted that when two elements are "affixed" or "hinged," the two elements can be directly connected or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "front", "back", and the like as used herein are for illustrative purposes only.
As shown in fig. 1-2, a recurrent laryngeal nerve separating forceps comprises a first forceps body 1 and a second forceps body 2 which are hinged to each other in a crossing manner, wherein a hinge 5 divides the first forceps body 1 into a first handle 11 and a first clamping arm 12, and divides the second forceps body 2 into a second handle 21 and a second clamping arm 22; the front end of the first clamping arm 12 is connected with a first clamping part 3, and the front end of the second clamping arm 22 is connected with a second clamping part 4; the first clamping part 3 and the second clamping part 4 are bent towards the same direction respectively to form arc-shaped structures which can be attached to each other.
The utility model discloses the setting has the clamping part of certain radian, and the arc structure of clamping part can laminate mutually with the natural bending of going into larynx department, and then can remain the nerve of going into larynx department, need not go to separate again carelessly and press close to the blood vessel of larynx recurrent nerve, effectively reduces the vascular hemorrhage, further avoids the nerve heat injury that the back hemostasis leads to of bleeding.
Further, the utility model discloses can strut the tissue on neural surface, near the clamping part can be pressed from both sides and close blood vessel, then usable tissue is cut and is cut the tissue, and thyroid gland is glandular under the free, and the blood vessel is pressed from both sides and is closed and can effectively avoid its hemorrhage. The use of the tissue scissors further avoids thermal injury, so that the problems of hoarseness, choking of drinking water and the like caused after operation do not need to be worried about.
The utility model discloses arc structure a concrete embodiment:
the cross section of the arc-shaped structure is semicircular, and the diameter of the arc-shaped structure is 1-2 cm, so that the arc-shaped structure is matched with the natural bending degree of the throat, and the structure is simple and practical.
The radian of the arc-shaped structure faces the opening and closing direction of the first handle 11 and the second handle 21, so that the volume occupied by the separating forceps during opening and closing is reduced, and the damage to human tissues is reduced as much as possible.
The utility model discloses a concrete embodiment:
the first clamping part 3 and the second clamping part 4 are respectively made of titanium alloy, the structural hardness of the titanium alloy is moderate, the titanium alloy is suitable for being applied to the scene, and the scheme is practical.
According to the current manufacturing process, the first clamping part 3 and the second clamping part can meet the requirement of fine dissection of thyroid surgery, have design reasonableness and feasibility, and play an important role in dissecting nerves or keeping parathyroid blood supply in later-stage clinical application.
The utility model discloses a concrete embodiment of clamping part structure:
the thickness of the first clamping part 3 and the second clamping part 4 is 0.5-3 mm.
Since the common recurrent laryngeal nerve enters the laryngeal point at a distance of only 2-3mm from the thyroid gland or is closely connected with the thyroid gland, the thicknesses of the first clamping part 3 and the second clamping part 4 are preferably 1 mm.
One side of the first clamping part 3 opposite to the second clamping part 4 is of a plane structure, and the other side of the first clamping part is of a smooth cambered surface structure.
The back of the first clamping part 3 and the back of the second clamping part 4 are of smooth cambered surface structures, so that the clamping parts can be effectively prevented from damaging nerve tissues.
As shown in fig. 2, the present invention provides a specific embodiment of the clamping portion:
one end of the first clamping part 3 and one end of the second clamping part 4 are connected together in a rotatable mode, and the other end of the first clamping part and the other end of the second clamping part are arranged in an opening and closing mode.
Two clamping parts are respectively spliced with the first clamping arm 12 and the second clamping arm 22 at the joint of the two clamping parts, so that the clamping parts are controlled to rotate by the clamping arms, meanwhile, the clamping parts are conveniently disassembled and assembled on the clamping arms, the clamping parts are replaced at any time, and the sanitation requirement of a hospital is met.
The utility model discloses a concrete embodiment of handle structure:
the rear end of first handle 11 and second handle is equipped with the buckle 6 of being convenient for to point the cross-under respectively, is convenient for grip the utility model discloses a separation pincers.
The first handle 11 and the second handle 21 are provided with a rod 7 capable of limiting the clamping degree of the first handle 11 and the second handle 21;
the length of the rod 7 is matched with the clamping degree of the first handle 11 and the second handle 21, and the structure is simple and practical.
As shown in fig. 3, the present invention adds a specific embodiment of the saw teeth 31:
one or both of the first clamping part 3 and the second clamping part 4 is provided with sawteeth 31 at the opposite side, so that friction is increased, and slipping when the clamping parts clamp the blood vessel is avoided.
As shown in fig. 4, another embodiment of the clamping portion structure of the present invention:
the first clamping part and the second clamping part are independently arranged and are respectively inserted into the first clamping arm and the second clamping arm, so that the clamping parts are controlled to rotate by the clamping arms, the clamping parts are conveniently disassembled and assembled on the clamping arms, the clamping parts are replaced at any time, and the sanitation requirements of hospitals are met.
The throat-entering separating forceps of the utility model can be applied to open surgery or endoscopic surgery.
The utility model discloses use in open operation embodiment:
the length of the first clamp body 1 and the second clamp body 2 is 10-18 cm.
The first forceps body 1 and the second forceps body 2 preferably have a length of 15 cm, which is suitable for most patients.
The utility model discloses use embodiment in laparoscopic surgery:
when the forceps are applied to endoscopic surgery, the length of the first forceps body 1 and the second forceps body 2 is 20-30 cm, and the thickness of the first forceps body and the second forceps body is 5-10 cm.
The first forceps body 1 and the second forceps body 2 preferably have a length of 25 cm and a thickness of 8 mm, which is suitable for most patients.
The first clamp body 1 and the second clamp body 2 are arranged in a telescopic mode, and therefore the phenomenon that too much space is occupied when the first clamp body and the second clamp body are not used is avoided.
In the application, the fastening mode can be a bolt connection, a welding, a riveting, an inserting connection or a connection through a third component, and the person skilled in the art can select the fastening mode according to the actual situation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A laryngeal recurrent nerve laryngeal separation forceps comprises a first forceps body (1) and a second forceps body (2) which are mutually crossed and hinged, and is characterized in that,
the first clamp body (1) is divided into a first handle (11) and a first clamping arm (12) by the hinged part (5), and the second clamp body (2) is divided into a second handle (21) and a second clamping arm (22);
the front end of the first clamping arm (12) is connected with a first clamping part (3), and the front end of the second clamping arm (22) is connected with a second clamping part (4);
the first clamping part (3) and the second clamping part (4) are bent towards the same direction respectively to form arc structures capable of clamping mutually.
2. The recurrent laryngeal separation forceps of claim 1,
the cross section of the arc-shaped structure is semicircular, and the diameter of the arc-shaped structure is 1-2 centimeters.
3. The recurrent laryngeal separation forceps of claim 1,
one or both of the first clamping part (3) and the second clamping part (4) is provided with sawteeth (31) at the opposite side.
4. The recurrent laryngeal separation forceps of claim 1,
the first clamping part (3) and the second clamping part (4) are respectively made of titanium alloy.
5. The recurrent laryngeal separation forceps of claim 1,
the thickness of the first clamping part (3) and the second clamping part (4) is 0.5-3 mm.
6. The recurrent laryngeal separation forceps of any one of claims 1-5,
one side of the first clamping part (3) opposite to the second clamping part (4) is of a plane structure, and the other side of the first clamping part is of a smooth cambered surface structure.
7. The recurrent laryngeal separation forceps of claim 6,
the first clamping part (3) and the second clamping part (4) are respectively spliced with the first clamping arm (12) and the second clamping arm (22).
8. The recurrent laryngeal separation forceps of claim 7,
the rear ends of the first handle (11) and the second handle are respectively provided with a retaining ring (6) convenient for fingers to penetrate through.
9. The recurrent laryngeal separation forceps of claim 8,
the radian orientation of the arc-shaped structure is the same as the opening and closing directions of the first handle (11) and the second handle (21).
10. The recurrent laryngeal separation forceps of claim 9,
a rod piece (7) capable of limiting the clamping degree of the first handle (11) and the second handle (21) is arranged at one or both of the first handle (11) and the second handle (21);
the length of the rod piece (7) is matched with the clamping degree of the first handle (11) and the second handle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329139.8U CN213310113U (en) | 2020-07-08 | 2020-07-08 | Return larynx nerve separating forceps for entering larynx |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021329139.8U CN213310113U (en) | 2020-07-08 | 2020-07-08 | Return larynx nerve separating forceps for entering larynx |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213310113U true CN213310113U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021329139.8U Active CN213310113U (en) | 2020-07-08 | 2020-07-08 | Return larynx nerve separating forceps for entering larynx |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213310113U (en) |
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- 2020-07-08 CN CN202021329139.8U patent/CN213310113U/en active Active
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