CN113317869B - Closed locking device suitable for surgical electrode and using method thereof - Google Patents
Closed locking device suitable for surgical electrode and using method thereof Download PDFInfo
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- CN113317869B CN113317869B CN202110660791.0A CN202110660791A CN113317869B CN 113317869 B CN113317869 B CN 113317869B CN 202110660791 A CN202110660791 A CN 202110660791A CN 113317869 B CN113317869 B CN 113317869B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1462—Tweezers
Abstract
The invention relates to the technical field of surgical instruments, in particular to a closed locking device suitable for a surgical electrode and a using method thereof. The invention can achieve the purpose of rapidly and accurately grabbing tissues, is convenient to grab the tissues and not easy to slip, improves the efficiency in the operation, ensures that the pressure is more stable after the forceps head is closed, improves the closing electrocoagulation efficiency and the operation risk, and is more convenient to operate and experience in the operation.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a closed locking device suitable for a surgical electrode and a using method thereof.
Background
The medical operation electrode comprises two forceps heads, the operation electrocoagulation operation is carried out by controlling the opening and closing of the forceps heads, the electrode forceps heads can carry out fine shearing, electrocoagulation hemostasis and treatment on blood vessels and body tissues, and the principle is that protein is solidified by heating to close the blood vessels; the electric coagulation forceps of the operation electrode and the two tips of the lead provide high-frequency electric energy for lesion tissue, so that blood vessels between the forceps heads are dehydrated and coagulated to achieve the aim of stopping bleeding.
In the prior art, the following problems exist:
(1) the existing open operation electrode on the market at present is generally a double-acting forceps head design, and the double-acting forceps head is designed to be aligned to a tissue position in the closing process during operation, but the problem of inconvenient grabbing operation in the operation exists because the two forceps heads are movable and easy to shift, and the two forceps heads are easy to misplace after being closed.
(2) Because the binding clip of operation electrode passes through on the electrocoagulation heats the centre gripping acts on vascular tissue, the condition that the binding clip can take place to bond with the tissue, and the binding clip is from closed clamping state and vascular tissue separately, can produce the tractive to vascular tissue, breaks off from the tractive state when the vascular tissue that is pinched off, when unclamping to both sides suddenly, has the risk of secondary bleeding.
(3) Because the binding clip of operation electrode is on the ohmic heating acts on vascular tissue, vascular tissue can be because being baked and produce chemical smog by the electricity, has the harmfulness, and medical staff inhales the back and can cause the harm to the health, and current operation electrode is through installing the suction tube additional in the handle, but has the position difference between handle and the smog source point, is difficult to accurate efficient absorption smog.
Disclosure of Invention
The present invention is directed to a closure locking device for surgical electrodes and a method of using the same to solve the problems set forth above in the background.
The technical scheme of the invention is as follows: the utility model provides a closed locking device suitable for operation electrode, includes the outer tube, the front end both sides of outer tube are provided with the side respectively and prop the piece, and the front side that the side propped the piece is provided with quiet binding clip, and the side props the middle tail end that is connected with movable binding clip through the main round pin rotation to the both sides that the piece was propped to the side have seted up waist shape hole along length direction respectively, the tail end slope of moving the binding clip has seted up waist shape hole, and wears to be equipped with the owner and draws the round pin between the waist shape hole on the side propped the piece and the movable binding clip, well pull rod is worn to be equipped with in the middle activity of outer tube, and the one end and the owner of well pull rod draw the pin junction.
Preferably, the two sides of the static binding clip and the dynamic binding clip are symmetrically provided with static side pressing pliers and dynamic side pressing pliers respectively, the static side pressing pliers are fixedly connected with the static binding clip, the tail end of the dynamic side pressing pliers is rotatably connected with the side supporting piece through a main fixed pin, the tail end of the dynamic side pressing pliers is obliquely provided with a waist-shaped hole, a side pull pin penetrates through the waist-shaped hole in the dynamic side pressing pliers and the waist-shaped hole in the side supporting piece, one end of the side pull pin is fixedly connected with one end of the side pull rod, and the side pull rod penetrates through the outer pipe in a sliding manner.
Preferably, one end of the side pull rod, which is far away from the side pull pin, is provided with a side pull rod supporting piece, the side pull rod supporting piece is provided with a guide hole which is clamped firstly, two sides of the outer tube, which is close to one end of the side pull rod supporting piece, are symmetrically provided with pressing handles, one end of each pressing handle is provided with a side cam, the middle of each side cam is hinged with the outer tube, and a protruding part on one side of each side cam is in sliding fit with the guide hole which is clamped firstly.
Preferably, one end of the middle pull rod, which is far away from the main pull pin, is provided with a middle pull rod support piece, the middle pull rod support piece is provided with a rear clamp guide hole, one end of the pressing handle, which is close to the middle pull rod support piece, is provided with a middle cam, the middle part of the middle cam is hinged with the outer tube, and a protruding part on one side of the middle cam is in sliding fit with the rear clamp guide hole.
Preferably, the middle cam and the side cams are distributed at one end of the pressing handle in a three-fork shape, and the side cams are symmetrically arranged at two sides of the middle cam.
Preferably, the outer wall that is connected with the outer tube through reset spring is set up to the one end of pressing the handle and keeping away from well cam and limit cam, and curved guide bar is worn to be equipped with in reset spring's centre, guide bar and pressure are sliding connection.
Preferably, the middle of the movable side pressure clamp and the middle of the static side pressure clamp are both of a hollow structure, the side edges of the movable side pressure clamp and the static side pressure clamp are respectively provided with a movable clamp air hole and a static clamp air hole, the middle of the outer pipe is provided with two air flow channels in a penetrating manner, and one ends of the two air flow channels are respectively communicated with the inner cavities of the movable side pressure clamp and the static side pressure clamp through an upper air hose and a lower air hose.
Preferably, the air holes of the movable clamp and the air holes of the static clamp are respectively provided with a plurality of air holes, and the air holes of the movable clamp and the air holes of the static clamp are respectively distributed along the length direction of the movable side pressure clamp and the length direction of the static side pressure clamp at equal intervals.
Preferably, the outer pipe is of a double-layer structure, a circular channel is formed in the middle of the double-layer structure, the structure of the circular channel is matched with that of the middle pull rod, through holes are symmetrically formed in four sides between the inner layer and the outer layer of the double-layer structure, the through holes in two sides are airflow channels, and the through holes in the other two sides are matched with those of the side pull rods.
Preferably, strip-shaped concave grains are arranged on one side, close to the movable side pressing clamp and the static side pressing clamp, of each movable side pressing clamp, and a plurality of strips are uniformly distributed on the strip-shaped concave grains.
The invention also discloses a use method of the closed locking device suitable for the surgical electrode, which comprises the following steps:
s1: connecting one end of the airflow channel in the outer pipe, which is far away from the upper air hose and the lower air hose, with an air suction pump in advance;
s2, an operator holds a pressing handle by hand, moves a movable and a fixed clamp heads and a movable clamp head to align to a part to be electrocoagulated or cut, and opens the movable and the fixed clamp heads by electrifying, then presses the pressing handle, and in the process of pressing the pressing handle, the rotation of the pressing handle can firstly pull a main pull pin to move linearly through a middle pull rod, so that the closing action of the movable clamp head and the fixed clamp head is realized;
in the process of pressing the pressing handle, the movable side pressing clamp can be closed with the static side pressing clamp like a movable clamp head by pulling the movable side pull pin to move linearly through the side pull rod, and the movable side pressing clamp and the static side pressing clamp can form auxiliary clamping on two sides of the movable clamp head and the static clamp head;
in the process of pressing the press handle, the middle pull rod and the side pull rod are respectively limited and driven by the rear clamping guide hole and the front clamping guide hole, so that when the press handle is pressed, the movable side press pliers and the static side press pliers can be clamped firstly, and when the press handle is loosened, the movable side press pliers and the static side press pliers can be loosened later;
and the middle of the movable side pressing clamp and the middle of the static side pressing clamp are both hollow structures, and the structures of the movable clamp air hole 111 and the static clamp air hole 161 are matched, so that air can circulate in the inner cavities of the movable side pressing clamp and the static side pressing clamp, air attraction is generated at the electric coagulation part close to the movable clamp head and the static clamp head 1, and the static clamp head and the movable clamp head as well as the movable side pressing clamp and the static side pressing clamp can clamp vascular tissues to perform stable and safe cutting and electric coagulation operation.
The invention provides a closed locking device suitable for a surgical electrode and a using method thereof through improvement, and compared with the prior art, the closed locking device has the following improvement and advantages:
one is as follows: according to the invention, the middle pull rod pulls the main pull pin to move linearly back and forth, and meanwhile, the main pull pin slides in the kidney-shaped hole on the movable tong head in a limited manner, so that the movable tong head can rotate by taking the main fixed pin as a middle point, and the opening and closing actions of the movable tong head and the static tong head are realized; the main pull pin is used for tensioning the inclined waist-shaped hole on the movable tong head, so that the movable tong head can be closed and locked, the pressure is more stable after the tong head is closed, and the closed electrocoagulation efficiency and the operation risk are improved; in the closing process, the movement distance of the main pull pin is short, the opening angle of the forceps head is large, and operation and experience feeling in an operation are facilitated;
the second step is as follows: according to the invention, the side pull rod pulls the side pull pin to linearly move back and forth, and the side pull pin slides in the kidney-shaped hole of the movable side pressing clamp, so that the movable side pressing clamp can rotate with the main fixed pin as a middle point like a movable clamp head, the movable side pressing clamp and the static side pressing clamp can be closed and opened, the movable side pressing clamp and the static side pressing clamp can form auxiliary clamping effects on two sides of the movable clamp head and the static clamp head, and vascular tissues are clamped more stably and are not easy to shift in position;
and thirdly: according to the invention, through the limiting and guiding effects of the clamping guide hole, when the pressing handle rotates, the side pull rod supporting piece can be pushed firstly through the side cam, so that the side pull rod pulls the pull pin, and further the side pressing clamp can be tensioned and closed, and a labor-saving lever is formed between the pressing handle and the side cam.
Fourthly, the method comprises the following steps: in the invention, under the limiting and guiding action of the rear clamp guide hole, the bulge part of the middle cam can prop open the side pull rod support piece and then prop open the middle pull rod support piece, so that the middle pull rod is pulled to one end far away from the main pull pin, the rear clamp guide hole is matched with the first clamp guide hole, when the pressure handle is pressed, the movable side pressure clamp and the static side pressure clamp can close and clamp the vascular tissue firstly to assist and stabilize the vascular tissue to be electrocoagulated, then the movable clamp head and the static clamp head close and clamp the vascular tissue to form sequential clamping, when the pressure handle is released, the movable clamp head and the static clamp head can release firstly, the movable clamp head and the static clamp head also keep clamping the vascular tissue after the movable clamp head and the static clamp head release, firstly, the anti-locking clamp head prevents the electrocoagulated tissue from being dragged in large area due to adhesion when the movable clamp head releases, and prevents the electrocoagulated vascular tissue from releasing towards two sides due to sudden rupture, the amplitude of variation is too large, resulting in secondary bleeding;
and fifthly: according to the invention, the hollow structures of the movable side pressing forceps and the static side pressing forceps are matched with the structures of the air holes of the movable forceps and the air holes of the static forceps, so that air can circulate in the inner cavities of the movable side pressing forceps and the static side pressing forceps, and air attraction is generated at the electric coagulation part close to the movable forceps head and the static forceps head, so that the source point of smoke generation can be attracted in the operation process, and the smoke attraction effect is greatly improved;
and the sixth step: according to the invention, the middle pull rod, the airflow channel and the side pull rod are all positioned in the outer pipe through the double-layer structure of the outer pipe, so that the structure is compact, and the space distribution is more reasonable.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a front view of a static jaw and a dynamic jaw of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a top view of the internal structure of the present invention;
FIG. 4 is a front view of the dynamic and static side clamps of the present invention;
FIG. 5 is an elevation view of the side brace of the present invention;
FIG. 6 is a top view of the stationary tong head and stationary side clamping tongs of the present invention;
FIG. 7 is a cross-sectional view of an outer tube of the present invention;
FIG. 8 is a front view of the static and dynamic binding clip of the present invention in a closed position;
FIG. 9 is a view showing the position of the lower side stay and the side cam in a state where the press handle is pressed;
fig. 10 is a view showing a position structure of the center stay and the center cam in a state where the press handle of the present invention is pressed.
Description of reference numerals: the clamp comprises a static tong head, a main pull pin, a 3 outer pipe, a 31 side stay, a 4 middle pull rod, a 5 movable tong head, a 6 main fixed pin, a 7 middle pull rod support, a 71 rear clamp guide hole, a 8 press handle, a 81 middle cam, a 82 side cam, a 9 reset spring, a 10 guide rod, a 11 movable side press tong, a 111 movable tong air hole, a 12 side pull rod, a 13 side pull rod support, a 131 front clamp guide hole, a 14 side pull pin, a 15 upper vent hose, a 16 static side press tong, a 161 static tong air hole, a 17 lower vent hose.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, 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.
The invention provides a closed locking device suitable for an operation electrode through improvement, and the technical scheme of the invention is as follows:
the first embodiment is as follows:
as shown in figures 1-10, a closed locking device for surgical electrode comprises an outer tube 3, two sides of the front end of the outer tube 3 are respectively provided with a side supporting piece 31, the front side of the side supporting piece 31 is provided with a static binding clip 1, the middle of the side supporting piece 31 is rotatably connected with the tail end of a movable binding clip 5 through a main fixed pin 6, and the two sides of the side supporting piece 31 are respectively provided with a waist-shaped hole along the length direction, the structure of the waist-shaped hole on the side supporting piece 31 is shown in figure 5, the tail end of the movable tong head 5 is obliquely provided with a waist-shaped hole, the structure of the waist-shaped hole on the movable tong head 5 is shown in figure 1, and a main pull pin 2 is arranged between a waist-shaped hole on the side stay piece 31 and a waist-shaped hole on the movable tong head 5 in a penetrating manner, the movable length of the main pull pin 2 in the waist-shaped hole on the side stay piece 31 is 2.15mm, a middle pull rod 4 is movably arranged in the middle of the outer tube 3 in a penetrating manner, one end of the middle pull rod 4 is connected with the main pull pin 2, and the middle pull rod 4 is fixed with the main pull pin 2 through assembling.
The middle pull rod 4 pulls the main pull pin 2 to move linearly back and forth, and meanwhile, the main pull pin 2 slides in the kidney-shaped hole in the movable tong head 5 in a limited manner, so that the movable tong head 5 can rotate by taking the main fixed pin 6 as a middle point, and the opening and closing actions of the movable tong head 5 and the static tong head 1 are realized; the waist-shaped hole which is inclined on the movable tong head 5 is tensioned through the main pull pin 2, so that the movable tong head 5 can be closed and locked, the pressure is more stable after the tong head is closed, and the closed electrocoagulation efficiency and the operation risk are improved; in addition, in the closing process, the movement distance of the main pull pin 2 is short, the opening angle for pushing the forceps head is large, and operation and experience feeling in an operation are facilitated.
The two sides of the static tong head 1 and the movable tong head 5 are respectively and symmetrically provided with static side pressing tongs 16 and movable side pressing tongs 11, the static side pressing tongs 16 are fixedly connected with the static tong head 1, the tail end of the movable side pressing tongs 11 is rotationally connected with a side supporting piece 31 through a main fixed pin 6, the tail end of the movable side pressing tongs 11 is obliquely provided with a waist-shaped hole, the positions of the waist-shaped hole on the movable side pressing tongs 11 and the waist-shaped hole on the movable tong head 5 are staggered, so that the collision is avoided when the movable side pressing tongs 11 and the movable tong head 5 are separately rotated, a side pulling pin 14 is arranged between the waist-shaped hole on the movable side pressing tongs 11 and the waist-shaped hole on the side supporting piece 31 in a penetrating manner, one end of the side pulling pin 14 is fixedly connected with one end of a side pulling rod 12, and the side pulling rod 12 is arranged in the outer tube 3 in a sliding manner; the side pull rod 12 pulls the side pull pin 14 to move linearly back and forth, and meanwhile, the side pull pin 14 slides in a waist-shaped hole of the movable side pressing clamp 11, so that the movable side pressing clamp 11 can rotate by taking the main pin 6 as a middle point like the movable clamp head 5, the closing and opening of the movable side pressing clamp 11 and the static side pressing clamp 16 are realized, the movable side pressing clamp 11 and the static side pressing clamp 16 can form an auxiliary clamping effect on two sides of the movable clamp head 5 and the static clamp head 1, the blood vessel tissue is clamped more stably, and the position is not easy to deviate.
Strip-shaped concave grains are arranged on one side of the movable side pressing clamp 11 close to one side of the static side pressing clamp 16, and a plurality of strip-shaped concave grains are uniformly distributed; the friction force of the movable side pressing clamp 11 and the static side pressing clamp 16 in the process of clamping the vascular tissue can be increased through the structure of the strip-shaped concave lines, and the clamping stability is improved.
A side pull rod supporting piece 13 is arranged at one end of the side pull rod 12, which is far away from the side pull pin 14, a first clamping guide hole 131 is formed in the side pull rod supporting piece 13, pressing handles 8 are symmetrically arranged at two sides of one end of the outer tube 3, which is close to the side pull rod supporting piece 13, one end of each pressing handle 8 is provided with an edge cam 82, the middle part of each edge cam 82 is hinged with the outer tube 3, and a protruding part at one side of each edge cam 82 is in sliding fit with the first clamping guide hole 131; press the guiding hole 131 earlier and constitute by upper and lower two sections, wherein the upper segment is the arc hole of concentric matching with limit cam 82, and the lower segment is the crooked hole of keeping away from to limit cam 82, through the restriction and the guide effect of pressing the guiding hole 131 earlier, let press 8 when rotating, can push side pull rod support piece 13 through limit cam 82, make side pull rod 12 with the pulling of side pull pin 14, and then let move side pressure pincers 11 and can be taut closed, and press and constitute the laborsaving lever between 8 and the limit cam 82, compare in traditional structure, it is laborsaving to operate more, can reduce surgeon's hand fatigue.
A middle pull rod support piece 7 is arranged at one end, far away from the main pull pin 2, of the middle pull rod 4, a rear clamp guide hole 71 is formed in the middle pull rod support piece 7, a middle cam 81 is arranged at one end, close to the middle pull rod support piece 7, of the pressing handle 8, the middle of the middle cam 81 is hinged with the outer tube 3, and a protruding portion on one side of the middle cam 81 is in sliding fit with the rear clamp guide hole 71; the rear clamp guide hole 71 is composed of an upper section and a lower section, the structure of the upper section and the lower section is opposite to that of the first clamp guide hole 131, the lower section is an arc hole which is concentrically matched with the middle cam 81, the upper section is a curved hole which is close to the middle cam 81, when the bulge part of the middle cam 81 slides along the lower section of the rear clamp guide hole 71, because the arc hole of the rear clamp guide hole 71 is concentrically matched with the middle cam 81, the bulge part of the middle cam 81 can slide in the arc hole of the rear clamp guide hole 71 without resistance, the bulge part of the middle cam 81 can not push the middle pull rod support piece 7 in the initial rotation period, and when the bulge part of the middle cam 81 rotates to the upper section of the first clamp guide hole 71, because the curved hole of the rear clamp guide hole 71 is gradually close to the middle cam 81, the bulge part of the middle cam 81 can push the side pull rod support piece 13 open, and the middle pull rod 4 is pulled to one end far away from the main pull pin 2, the back clamp guide hole 71 and the first clamp guide hole 131 are matched with each other, so that when the pressing handle 8 is pressed, the movable side pressing forceps 11 and the static side pressing forceps 16 can clamp the vascular tissue in a closed mode firstly, the vascular tissue to be electrocoagulated is assisted and stabilized, then the movable forceps head 5 and the static forceps head 1 are closed to clamp the vascular tissue to form sequential clamping, when the pressing handle 8 is loosened, the movable forceps head 5 and the static forceps head 1 can be loosened firstly, the movable side pressing forceps 11 and the static side pressing forceps 16 also keep clamping of the vascular tissue after the movable forceps head 5 and the static forceps head 1 are loosened, firstly, the electrocoagulation pliers 5 are prevented from being bonded to pull the tissue to be electrocoagulated in a large area, and secondly, the vascular tissue to be cut is prevented from being loosened towards two sides suddenly due to breakage, the change range is too large, and secondary bleeding is caused.
The middle cam 81 and the side cams 82 are distributed at one end of the pressing handle 8 in a three-fork shape, and the side cams 82 are symmetrically arranged at two sides of the middle cam 81; the structure enables the pressure handle 8 to be stressed more uniformly and stably when being pressed.
One end of the pressing handle 8, which is far away from the middle cam 81 and the side cam 82, is provided with an outer wall connected with the outer tube 3 through a return spring 9, an arc-shaped guide rod 10 penetrates through the middle of the return spring 9, the guide rod 10 is connected with the pressing handle 8 in a sliding manner, and the guide rod 10 is fixedly connected with the outer tube 3; the pressing handle 8 can automatically rebound to the original position after being released through the support of the return spring 9.
Example two:
as shown in figures 1-10, a closed locking device for surgical electrode comprises an outer tube 3, two sides of the front end of the outer tube 3 are respectively provided with a side supporting piece 31, the front side of the side supporting piece 31 is provided with a static binding clip 1, the middle of the side supporting piece 31 is rotatably connected with the tail end of a movable binding clip 5 through a main fixed pin 6, and the two sides of the side supporting piece 31 are respectively provided with a waist-shaped hole along the length direction, the structure of the waist-shaped hole on the side supporting piece 31 is shown in figure 5, the tail end of the movable tong head 5 is obliquely provided with a waist-shaped hole, the structure of the waist-shaped hole on the movable tong head 5 is shown in figure 1, and a main pull pin 2 is arranged between a waist-shaped hole on the side stay piece 31 and a waist-shaped hole on the movable tong head 5 in a penetrating manner, the movable length of the main pull pin 2 in the waist-shaped hole on the side stay piece 31 is 2.15mm, a middle pull rod 4 is movably arranged in the middle of the outer tube 3 in a penetrating manner, one end of the middle pull rod 4 is connected with the main pull pin 2, and the middle pull rod 4 is fixed with the main pull pin 2 through assembling.
The two sides of the static tong head 1 and the movable tong head 5 are respectively and symmetrically provided with static side pressing tongs 16 and movable side pressing tongs 11, the static side pressing tongs 16 are fixedly connected with the static tong head 1, the tail end of the movable side pressing tongs 11 is rotationally connected with a side supporting piece 31 through a main fixed pin 6, the tail end of the movable side pressing tongs 11 is obliquely provided with a waist-shaped hole, the positions of the waist-shaped hole on the movable side pressing tongs 11 and the waist-shaped hole on the movable tong head 5 are staggered, so that the collision is avoided when the movable side pressing tongs 11 and the movable tong head 5 are separately rotated, a side pulling pin 14 is arranged between the waist-shaped hole on the movable side pressing tongs 11 and the waist-shaped hole on the side supporting piece 31 in a penetrating manner, one end of the side pulling pin 14 is fixedly connected with one end of a side pulling rod 12, and the side pulling rod 12 is arranged in the outer tube 3 in a sliding manner; the side pull rod 12 pulls the side pull pin 14 to move linearly back and forth, and meanwhile, the side pull pin 14 slides in a waist-shaped hole of the movable side pressing clamp 11, so that the movable side pressing clamp 11 can rotate by taking the main pin 6 as a middle point like the movable clamp head 5, the closing and opening of the movable side pressing clamp 11 and the static side pressing clamp 16 are realized, the movable side pressing clamp 11 and the static side pressing clamp 16 can form an auxiliary clamping effect on two sides of the movable clamp head 5 and the static clamp head 1, the blood vessel tissue is clamped more stably, and the position is not easy to deviate.
The middle parts of the movable side pressing pliers 11 and the static side pressing pliers 16 are both of a hollow structure, the side edges of the movable side pressing pliers 11 and the static side pressing pliers 16 are respectively provided with a movable pliers air hole 111 and a static pliers air hole 161, the middle part of the outer pipe 3 is provided with two air flow channels in a penetrating manner, one ends of the two air flow channels are respectively communicated with the inner cavities of the movable side pressing pliers 11 and the static side pressing pliers 16 through an upper air hose 15 and a lower air hose 17, and one ends of the air flow channels, which are far away from the upper air hose 15 and the lower air hose 17, are matched and connected with equipment such as an air suction pump for use, so that smoke can be automatically sucked; the hollow structures of the movable side pressing clamp 11 and the static side pressing clamp 16 are matched with the structures of the movable clamp air hole 111 and the static clamp air hole 161, so that air can flow through the inner cavities of the movable side pressing clamp 11 and the static side pressing clamp 16, air attraction is generated at an electrocoagulation part close to the movable clamp head 5 and the static clamp head 1, and accordingly, the source point of smoke generation in the operation process can be sucked, and the smoke suction effect is greatly improved.
The number of the air holes 111 and 161 is equal, and the air holes 111 and 161 are distributed at equal intervals along the length direction of the movable side pressure clamp 11 and the fixed side pressure clamp 16; this configuration makes the smoke suction force more uniform.
The outer tube 3 is of a double-layer structure, a circular channel is formed in the middle of the double-layer structure, the structure of the circular channel is matched with that of the middle pull rod 4, through holes are symmetrically formed in four sides between the inner layer and the outer layer of the double-layer structure, the through holes in two sides are air flow channels, and the through holes in the other two sides are matched with that of the side pull rod 12; the structure ensures that the middle pull rod 4, the airflow channel and the side pull rod 12 are all positioned in the outer tube 3, the structure is compact, and the space distribution is more reasonable.
The second embodiment is different from the first embodiment only in that the hollow structures of the movable clamp 11 and the fixed clamp 16 are matched with the structures of the movable clamp air hole 111 and the fixed clamp air hole 161, so that the suction can be performed at the source point of the smoke generation in the operation process, and the smoke suction effect is greatly improved.
The invention also discloses a use method of the closed locking device suitable for the surgical electrode, which comprises the following steps:
s1: the end of the air flow channel in the outer tube 3 away from the upper air hose 15 and the lower air hose 17 is connected with the air suction pump in advance; the air suction pump can be a centrifugal air suction pump, an inlet of the air suction pump is connected with an air flow channel, the air flow channel is communicated with the dynamic side pressure clamp 11 and the static side pressure clamp 16 through an upper air hose 15 and a lower air hose 17, and the dynamic side pressure clamp 11 and the static side pressure clamp 16 can generate air suction force to absorb smoke.
S2, an operator holds a pressing handle 8 by hand, the static tong head 1 and the movable tong head 5 are moved to align to a part to be electrocoagulated or cut, the static tong head 1 and the movable tong head 5 are electrified and opened, electrodes are respectively arranged on one sides, close to the static tong head 1 and the movable tong head 5, of the static tong head 1, a switch for controlling current can be arranged on the pressing handle 8, the operator realizes the electrification and the outage by operating a switch, the electrode switch is the prior art, the description is omitted, then the pressing handle 8 is pressed, and in the process of pressing the pressing handle 8, the rotation of the pressing handle 8 can firstly pull a main pull pin 2 to move linearly through a middle pull rod 4, so that the closing action of the movable tong head 5 and the static tong head 1 is realized;
in the process of pressing the handle 8, the movable side pressing clamp 11 can be closed with the static side pressing clamp 16 like the movable clamp head 5 by pulling the movable side pull pin 14 to move linearly through the side pull rod 12, and the movable side pressing clamp 11 and the static side pressing clamp 16 can form auxiliary clamping on two sides of the movable clamp head 5 and the static clamp head 1;
in the process of pressing the press handle 8, the middle pull rod 4 and the side pull rod 12 are respectively limited and driven by the rear clamp guide hole 71 and the front clamp guide hole 131, so that when the press handle 8 is pressed, the movable side press pliers 11 and the static side press pliers 16 can be clamped firstly, and when the press handle 8 is released, the movable side press pliers 11 and the static side press pliers 16 can be released later;
the middle parts of the movable side pressing forceps 11 and the static side pressing forceps 16 are hollow structures, and the structures of the movable forceps air holes 111 and the static forceps air holes 161 are matched, so that air can flow through the inner cavities of the movable side pressing forceps 11 and the static side pressing forceps 16, air attraction is generated at the electric coagulation part close to the movable forceps head 5 and the static forceps head 1, and the static forceps head 1 and the movable forceps head 5 as well as the movable side pressing forceps 11 and the static side pressing forceps 16 can clamp vascular tissues to perform stable and safe cutting and electric coagulation operation; the static forceps head 1 and the movable forceps head 5 clamp the vascular tissue to perform electrocoagulation and cutting, and the movable side pressing forceps 11 and the static side pressing forceps 16 clamp the vascular tissue to perform auxiliary clamping and absorb smoke efficiently and accurately.
The working principle is as follows: an operator holds the pressing handle 8 by hand, and controls the clamping action of the caliper head 5 and the static caliper head 1 and the clamping action of the movable side pressing caliper 11 and the static side pressing caliper 16 through the operation of the pressing handle 8;
in the process of pressing the pressing handle 8, the pressing handle 8 drives the middle cam 81 to rotate, the bulge part of the middle cam 81 plays a role in pushing the middle pull rod supporting sheet 7 in the rotating process, and further drives the middle pull rod 4 to make a pulling action, the middle pull rod 4 pulls the main pull pin 2 to do linear motion back and forth, the main pull pin 2 is matched with limited sliding in the kidney-shaped hole on the movable tong head 5, so that the movable tong head 5 can rotate by taking the main fixed pin 6 as a middle point, the opening and closing actions of the movable tong head 5 and the static tong head 1 are realized, because the static tong head 1 is fixed at one side, when in operation clamping, only the movable tong head 5 needs to be in butt joint with the static tong head 1 by the rotary motion of the movable tong head 5, the position change in the operation process is small, the purpose of quickly and accurately grabbing tissues to realize closing can be realized, the tissues are convenient to grab and not easy to slip, the efficiency is improved in the operation, the medical staff is favorable for operating, and the waist-shaped hole which is inclined on the movable tong head 5 is tensioned by the main pull pin 2, the closing and locking of the movable forceps head 5 can be realized, the pressure is more stable after the forceps head is closed, the closing electrocoagulation efficiency and the operation risk are improved, in the closing process, the movement distance of the main pull pin 2 is very short, the opening angle of the pushed forceps head is large, and the operation and experience feeling in the operation are more convenient;
similarly, in the process of pressing the handle 8, the convex part of the side cam 82 pushes the side pull rod support piece 13 in the rotating process, so that the side pull rod 12 makes a pulling motion, the side pull pin 14 is pulled by the side pull rod 12 to move linearly back and forth, and the side pull pin 14 slides in the waist-shaped hole of the movable side pressing clamp 11 in a matching manner, so that the movable side pressing clamp 11 can rotate by taking the main fixed pin 6 as a midpoint like the movable clamp head 5, the movable side pressing clamp 11 and the static side pressing clamp 16 are closed and opened, the movable side pressing clamp 11 and the static side pressing clamp 16 can form auxiliary clamping effects on two sides of the movable clamp head 5 and the static clamp head 1, the blood vessel tissue is clamped more stably, and the position is not easy to shift;
in the process of pressing the handle 8, the first clamping guide hole 131 is composed of an upper section and a lower section, wherein the upper section is an arc-shaped hole concentrically matched with the edge cam 82, the lower section is a bent hole far away from the edge cam 82, the protruding part of the edge cam 82 can push the bent hole of the first clamping guide hole 131 at the beginning of rotation through the limiting and guiding effects of the first clamping guide hole 131, the side pull rod support piece 13 is pushed firstly through the rotation of the edge cam 82, the side pull rod 12 pulls the side pull pin 14, the side pressing pliers 11 is tensioned and closed, and the arc-shaped hole of the first clamping guide hole 131 is concentrically matched with the edge cam 82, so that the edge cam 82 can slide in the arc-shaped hole without resistance at the later stage of rotation, the side pull rod support piece 13 is pushed, and then the side pull rod support piece 13 cannot be continuously pushed when rotating;
similarly, the rear clip guide hole 71 is also composed of an upper section and a lower section, the upper section and the lower section are opposite to the first clip guide hole 131, the lower section is an arc hole concentrically matched with the middle cam 81, the upper section is a curved hole approaching to the middle cam 81, when the projection of the middle cam 81 slides along the lower section of the rear clip guide hole 71, because the arc hole of the rear clip guide hole 71 is concentrically matched with the middle cam 81, the projection of the middle cam 81 can slide in the arc hole of the rear clip guide hole 71 without resistance, the projection of the middle cam 81 can not push the middle pull rod support 7 in the initial rotation period, and when the projection of the middle cam 81 rotates to the upper section of the front clip guide hole 71, because the curved hole of the rear clip guide hole 71 gradually approaches to the middle cam 81, the projection of the middle cam 81 can push the side pull rod support 13 open, so that the middle pull rod 4 is pulled to the end far away from the main pull pin 2, the rear clamp guide hole 71 and the first clamp guide hole 131 are matched with each other, so that when the pressing handle 8 is pressed, the movable side pressing clamp 11 and the static side pressing clamp 16 can clamp vascular tissues in a closed mode firstly, the vascular tissues to be electrocoagulated are assisted and stabilized, then the movable clamp head 5 and the static clamp head 1 are closed to clamp the vascular tissues to form sequential clamping, when the pressing handle 8 is loosened, the movable clamp head 5 and the static clamp head 1 can be loosened firstly, the movable side pressing clamp 11 and the static side pressing clamp 16 are loosened to form loosening, and the clamping of the vascular tissues is kept after the movable clamp head 5 and the static clamp head 1 are loosened, so that firstly, the clamped tissues are prevented from being pulled due to adhesion when the movable clamp head 5 is loosened, and secondly, the blood vessel tissues cut by electrocoagulation are prevented from being suddenly loosened towards two sides due to fracture and the change range is too large, and secondary bleeding is caused;
the middle parts of the movable side pressing pliers 11 and the fixed side pressing pliers 16 are both hollow structures, and the structures of the movable pliers air holes 111 and the fixed pliers air holes 161 are matched, so that air can flow in the inner cavities of the movable side pressing pliers 11 and the fixed side pressing pliers 16, air suction force is generated at an electric coagulation part close to the movable pliers head 5 and the fixed pliers head 1, and accordingly, the source point of smoke generation can be sucked in the operation process, and the smoke suction effect is greatly improved.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A closure locking device suitable for surgical electrodes, comprising an outer tube (3), characterized in that: side supporting pieces (31) are respectively arranged on two sides of the front end of the outer pipe (3), a static binding clip (1) is arranged on the front side of each side supporting piece (31), the middle of each side supporting piece (31) is rotatably connected with the tail end of a movable binding clip (5) through a main fixing pin (6), waist-shaped holes are respectively formed in two sides of each side supporting piece (31) along the length direction, waist-shaped holes are obliquely formed in the tail end of the movable binding clip (5), a main pull pin (2) penetrates between each waist-shaped hole in each side supporting piece (31) and each waist-shaped hole in each movable binding clip (5), a middle pull rod (4) penetrates through the middle of the outer pipe (3) movably, and one end of each middle pull rod (4) is connected with the corresponding main pull pin (2);
two sides of the static tong head (1) and the movable tong head (5) are respectively and symmetrically provided with static side pressing tongs (16) and movable side pressing tongs (11), the static side pressing tongs (16) are fixedly connected with the static tong head (1), the tail end of the movable side pressing tongs (11) is rotatably connected with a side supporting piece (31) through a main fixed pin (6), the tail end of the movable side pressing tongs (11) is obliquely provided with a waist-shaped hole, a side pull pin (14) penetrates between the waist-shaped hole in the movable side pressing tongs (11) and the waist-shaped hole in the side supporting piece (31), one end of the side pull pin (14) is fixedly connected with one end of the side pull rod (12), and the side pull rod (12) penetrates through the outer pipe (3) in a sliding manner;
strip-shaped concave grains are arranged on one side, close to the movable side pressing pliers (11) and the static side pressing pliers (16), and a plurality of strip-shaped concave grains are uniformly distributed;
the side pull rod (12) is kept away from the one end of side pull pin (14) and is provided with side pull rod support piece (13), has seted up on side pull rod support piece (13) and has pressed pilot hole (131) earlier, the bilateral symmetry that outer tube (3) are close to side pull rod support piece (13) one end is provided with pressure handle (8), presses the one end of handle (8) to be provided with limit cam (82), and the middle part and outer tube (3) of limit cam (82) are articulated, and the bellying of limit cam (82) one side with press pilot hole (131) sliding fit earlier.
2. A closure locking device for a surgical electrode according to claim 1, wherein: the middle pull rod (4) is far away from one end of the main pull pin (2) and is provided with a middle pull rod supporting piece (7), a rear clamping guide hole (71) is formed in the middle pull rod supporting piece (7), a middle cam (81) is arranged at one end, close to the middle pull rod supporting piece (7), of the pressing handle (8), the middle of the middle cam (81) is hinged to the outer tube (3), and a protruding portion on one side of the middle cam (81) is in sliding fit with the rear clamping guide hole (71).
3. A closure locking device for a surgical electrode according to claim 2, wherein: the middle cam (81) and the side cams (82) are distributed at one end of the pressing handle (8) in a three-fork shape, and the side cams (82) are symmetrically arranged at two sides of the middle cam (81).
4. A closure locking device for a surgical electrode according to claim 3, wherein: the pressing handle (8) is far away from one end of the middle cam (81) and one end of the side cam (82) and is provided with an outer wall connected with the outer tube (3) through a return spring (9), an arc-shaped guide rod (10) penetrates through the middle of the return spring (9), and the guide rod (10) is connected with the pressing handle (8) in a sliding mode.
5. A closure locking device for a surgical electrode according to claim 2, wherein: the middle of the movable side pressing clamp (11) and the middle of the static side pressing clamp (16) are both of a hollow structure, a movable clamp air hole (111) and a static clamp air hole (161) are formed in the side edges of the movable side pressing clamp (11) and the static side pressing clamp (16) respectively, two air flow channels penetrate through the middle of the outer pipe (3), and one ends of the two air flow channels are communicated with the inner cavities of the movable side pressing clamp (11) and the static side pressing clamp (16) through an upper air hose (15) and a lower air hose (17) respectively.
6. A closure locking device for a surgical electrode according to claim 5, wherein: the movable clamp air hole (111) and the static clamp air hole (161) are respectively provided with a plurality of air holes, and the movable clamp air hole (111) and the static clamp air hole (161) are respectively distributed along the length direction of the movable side pressure clamp (11) and the static side pressure clamp (16) at equal intervals.
7. A closure locking device for a surgical electrode according to claim 6, wherein: the outer pipe (3) is of a double-layer structure, a circular channel is formed in the middle of the double-layer structure, the structure of the circular channel is matched with that of the middle pull rod (4), through holes are symmetrically formed in four sides between the inner layer and the outer layer of the double-layer structure, the through holes in two sides are airflow channels, and the through holes in the other two sides are matched with that of the side pull rod (12).
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| CN202110660791.0A CN113317869B (en) | 2021-06-15 | 2021-06-15 | Closed locking device suitable for surgical electrode and using method thereof |
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| CN202110660791.0A CN113317869B (en) | 2021-06-15 | 2021-06-15 | Closed locking device suitable for surgical electrode and using method thereof |
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| CN113317869B true CN113317869B (en) | 2022-08-09 |
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| CN114711951B (en) * | 2022-04-25 | 2022-09-30 | 南京首量医疗科技有限公司 | Endoscope type high-frequency electrosurgical closer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947131A (en) * | 2010-08-20 | 2011-01-19 | 上海祥秀医药科技有限公司 | Dissecting forceps with suction device used for minimally invasive surgery |
| CN104161566A (en) * | 2014-08-12 | 2014-11-26 | 厦门大博颖精医疗器械有限公司 | Meshing pincers |
| CN106659534A (en) * | 2014-08-20 | 2017-05-10 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | Reconfigurable electrosurgical device |
| CN207745187U (en) * | 2017-10-02 | 2018-08-21 | 耿金宏 | A kind of electric clamp of the laparoscope with attraction coagulation function |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202086580U (en) * | 2011-05-24 | 2011-12-28 | 胡伟九 | Opening/closing and locking device for jaws of high-frequency bipolar closed cutting forceps |
| CN204233214U (en) * | 2014-10-27 | 2015-04-01 | 中国人民解放军第二军医大学 | A kind of laryngomicrosurgery nipper with suction pump |
| US10987153B2 (en) * | 2017-01-16 | 2021-04-27 | Gyrus Acmi, Inc. | Forceps with active jaw entrapment of tissue |
-
2021
- 2021-06-15 CN CN202110660791.0A patent/CN113317869B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947131A (en) * | 2010-08-20 | 2011-01-19 | 上海祥秀医药科技有限公司 | Dissecting forceps with suction device used for minimally invasive surgery |
| CN104161566A (en) * | 2014-08-12 | 2014-11-26 | 厦门大博颖精医疗器械有限公司 | Meshing pincers |
| CN106659534A (en) * | 2014-08-20 | 2017-05-10 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | Reconfigurable electrosurgical device |
| CN207745187U (en) * | 2017-10-02 | 2018-08-21 | 耿金宏 | A kind of electric clamp of the laparoscope with attraction coagulation function |
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