CN216797812U - Front end structure of electric coagulation forceps - Google Patents
Front end structure of electric coagulation forceps Download PDFInfo
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- CN216797812U CN216797812U CN202122256135.2U CN202122256135U CN216797812U CN 216797812 U CN216797812 U CN 216797812U CN 202122256135 U CN202122256135 U CN 202122256135U CN 216797812 U CN216797812 U CN 216797812U
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Abstract
The utility model discloses a front end structure of an electrocoagulation clamp, which comprises a clamp head; the front end of the handle is connected with a handle pipe, the handle pipe comprises a hard pipe section, a bendable section and a fixed shaft section, the rear end of the hard pipe section is fixed with the handle, the bendable section is coaxially fixed with the front end of the hard pipe section, the fixed shaft section is coaxially fixed with the front end of the bendable section, and the binding clip is rotatably and coaxially connected with the front end of the fixed shaft section; the handle is internally provided with a rotary driving mechanism for driving the binding clip to rotate around the fixed shaft section and a bending driving mechanism for driving the bendable section to bend. The electric coagulation forceps have various operation angles through the bidirectional bending of the bendable section of the front section of the handle tube and the rotation of the forceps head, can realize the turning, head rotation and clamping functions of the handle tube simultaneously, is convenient to use under the condition of a complex cavity channel, and cannot cause great tissue damage.
Description
Technical Field
The utility model relates to the technical field of electrocoagulation pliers, in particular to a front end structure of an electrocoagulation pliers.
Background
When a clinical operation is performed under a laparoscope, although the wound is small, blood vessels are inevitably cut in the operation process, local bleeding occurs, and the traditional method for stopping blood by wire ligation is not very suitable for the laparoscopic operation, so that the method for electrocoagulation hemostasis is widely applied in the clinical application. Electrocoagulation has been used for surgical hemostasis for very early origins, and the current used for surgery is a high frequency current (frequency of thousands of weeks to over 2 megaweeks per second). High frequency current is applied, and even if the voltage is up to thousands of volts, the high frequency current can safely pass through the human body without causing nerve or muscle reaction. Through the heat effect of the high-frequency current, the vessel wall is dehydrated and shrunk, blood in the vessel is coagulated, and the vessel and the blood clot are mutually fused into a whole, so that the aim of effectively stopping bleeding is fulfilled.
However, when the existing bipolar coagulation forceps are used, the operation angle of the coagulation forceps is limited, the coagulation forceps are difficult to use under the condition of a complex cavity, and larger tissue damage can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the background technology and provide a front end structure of an electrocoagulation clamp, which has a large head part with a variable angle and is convenient to operate.
In order to realize the purpose, the front end structure of the electrocoagulation pliers comprises a pliers head; the binding clip is connected with the binding clip, through the claw beam of axial displacement drive binding clip switching and the pincers handle of being connected with the claw beam, drive claw beam axial displacement, its characterized in that: the forceps further comprise a handle, the front end of the handle is connected with a handle pipe, the handle pipe comprises a hard pipe section, a bendable section and a fixed shaft section, the rear end of the hard pipe section is fixed with the handle, the bendable section is coaxially fixed with the front end of the hard pipe section, the fixed shaft section is coaxially fixed with the front end of the bendable section and is hard, and the forceps head is rotatably and coaxially connected with the front end of the fixed shaft section; the handle is internally provided with a rotary driving mechanism for driving the binding clip to rotate around the fixed shaft section and a bending driving mechanism for driving the bendable section to bend.
Furthermore, the binding clip comprises a binding clip base, a first hinged binding clip hinged in the binding clip base, a binding clip insulation sheet fixed in the first hinged binding clip, and a second hinged binding clip hinged in the binding clip insulation sheet, wherein the inner side surface of the front end of the first hinged binding clip and the inner side surface of the front end of the second hinged binding clip are respectively provided with mutually meshed sawteeth, and the binding clip base is coaxially and rotatably connected with the front end of the fixed shaft section;
the clamp rod comprises a pull rod fixed with the rear end of the second hinged clamp arm and a driving rope with one end coaxially fixed in the pull rod, and the other end of the driving rope is connected with the clamp handle.
Furthermore, a front-back driving mechanism which enables the driving rope to move axially back and forth is arranged in the handle and comprises a sleeve which is coaxial with the handle pipe and is arranged in the handle, the other end of the driving rope is fixed in the sleeve, the top end of the forceps handle is hinged and connected in the handle, a driving ring is coaxially fixed on the sleeve, and a driving block matched with the driving ring is fixed on the forceps handle.
Furthermore, the sleeve comprises a first sleeve which is coaxial with the handle tube and arranged in the handle, the rear end of the first sleeve is coaxially fixed in the shaft sleeve, the rear end of the shaft sleeve is coaxially connected with a second sleeve which can move back and forth relative to the shaft sleeve in a keyed mode, the other end of the driving rope is fixed in the second sleeve, and the driving ring is coaxially and fixedly connected to the second sleeve.
Furthermore, a guide plate which is matched with the second sleeve and enables the second sleeve to be in a coaxial state with the shaft sleeve is fixed in the handle.
Furthermore, a forceps handle return spring is fixedly connected between the handle and the forceps handle.
Furthermore, the rotary driving mechanism comprises a rotary shifting wheel which is rotatably connected to the lower portion of the handle, the rotary shifting wheel is coaxially fixed with a rotary driving gear through a fixed shaft, a rotary transition gear which is meshed with the rotary driving gear is arranged in the handle, a rotary driven gear which is meshed with the rotary transition gear is coaxially fixed on the surface of the shaft sleeve, the driving rope is coaxially arranged in the spring tube, a spring tube sleeve is coaxially fixed at the rear end of the spring tube, the rear end of the spring tube sleeve penetrates through the handle tube and is coaxially fixed in the first sleeve, and the front end of the spring tube is coaxially fixed in the clamp arm base.
Furthermore, the flexible section comprises a snake bone pipe, the front end of the snake bone pipe is coaxially fixed on the fixed shaft section, the rear end of the snake bone pipe is coaxially fixed on the hard pipe section, and the front ends of the spring pipe and the spring pipe sleeve are coaxially fixed in the snake bone pipe.
Furthermore, the bending driving mechanism comprises at least two steel wires, the front ends of the steel wires are fixed on the left side and the right side of the snake bone pipe, the rear ends of the steel wires are fixed on steel wire wheels, a steel wire wheel shaft coaxially fixed with the steel wire wheels is arranged in the handle, a bending driven gear is fixed on the steel wire wheel shaft, and a bending wheel shifting mechanism for driving the bending driven gear to rotate is arranged on the handle.
Furthermore, the bending driving wheel mechanism comprises a bending driving wheel which is rotatably connected to the side portion of the handle, the bending driving wheel is coaxially connected with a bending driving gear which is meshed with the bending driven gear through a fixing shaft, a self-locking elastic sheet is arranged between the bending driving gear and the bending driving wheel, and a limiting bolt used for limiting the position of the bending driving gear is fixed at the inner end of the fixing shaft of the bending driving wheel.
The beneficial effects of the utility model are: the electric coagulation forceps have multiple operation angles through the bidirectional bending of the bendable section of the front section of the handle tube and the rotation of the forceps head, can achieve the turning of the handle tube, the rotation of the head and the clamping function at the same time, is convenient to use under the condition of complex cavity, and cannot cause great tissue damage. The rotary shifting wheel, the bending driving shifting wheel and the forceps handle are arranged at opposite positions convenient for one-hand operation of people, so that the manual operation is more convenient while the operation precision is ensured. The opening and closing actions of the clamp can realize self-locking, and the clamp needs to be released by manual operation, so that misoperation in the operation is prevented, and the operation strength is reduced.
Drawings
FIG. 1 is a front view of an electrocoagulation clamp of the present invention;
FIG. 2 is a rear view of an electrocoagulation clamp of the present invention;
FIG. 3 is a right side view of an electrocoagulation clamp of the present invention;
FIG. 4 is an interior view of the handle of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an axial cross-sectional view of the middle jaw portion of the present invention;
wherein, 1-the binding clip (1.1-the first hinged binding clip arm, 1.2-the second hinged binding clip arm, 1.3-the binding clip arm base), 2-the binding clip (2.1-the pull rod, 2.2-the driving rope), 3-the binding clip handle, 4-the handle, 5-the handle tube (5.1-the hard tube section, 5.2-the bendable section, 5.3-the fixed shaft section), 6-the binding clip arm insulation piece, 7-the driving ring, 8-the driving block, 9-the first sleeve, 10-the shaft sleeve, 11-the second sleeve, 12-the guide plate, 13-the rotary thumb wheel, 14-the rotary driving gear, 15-the rotary transition gear, 16-the rotary driven gear, 17-the spring tube, 18-the spring tube sleeve, 19-the first conductive shrapnel, 20-the second conductive shrapnel, 21-the curved driven gear, 22-the curved driving thumb wheel, 23-the return spring of the handle, 24-the steel wire wheel, 25-the steel wire, 26-the curved driving gear, 27-the self-locking shrapnel, 28-the snake tube, 29-limit bolt, 30-base insulating piece.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments.
The front end structure of the electrocoagulation pliers shown in figures 1-6 comprises a handle 4 and a pliers head 1; the pliers head comprises a pliers rod 2 which is connected with the pliers head 1 and drives the pliers head 1 to open and close through axial movement, and a pliers handle 3 which is connected with the pliers rod 2 and drives the pliers rod 2 to move axially, wherein the front end of the handle 4 is connected with a handle pipe 5, the handle pipe 5 comprises a hard pipe section 5.1 of which the rear end is fixed with the handle 4, a bendable section 5.2 which is coaxially fixed with the front end of the hard pipe section 5.1, and a fixed shaft section 5.3 which is coaxially fixed with the front end of the bendable section 5.2 and hard, and the pliers head 1 is rotatably and coaxially connected with the front end of the fixed shaft section 5.3; a rotary driving mechanism for driving the forceps head 1 to rotate around the fixed shaft section 5.3 and a bending driving mechanism for driving the bendable section 5.2 to bend are arranged in the handle 4.
As shown in fig. 6, the binding clip 1 includes a binding clip base 1.3, a first hinged binding clip 1.1 hinged to the binding clip base 1.3, a binding clip insulation sheet 6 fixed to the first hinged binding clip 1.1, and a second hinged binding clip 1.2 hinged to the binding clip insulation sheet 6, a base insulation sheet 30 is fixed to the binding clip base 1.3, the inner side surface of the front end of the first hinged binding clip 1.1 and the inner side surface of the front end of the second hinged binding clip 1.2 are respectively provided with teeth engaged with each other, and the binding clip base 1.3 is coaxially and rotatably connected to the front end of the fixed shaft segment 5.3; the clamp rod 2 comprises a pull rod 2.1 fixed at the rear end of the second hinged clamp arm 1.2 and a driving rope 2.2 with one end coaxially fixed in the pull rod 2.1, and the other end of the driving rope 2.2 is connected with the clamp handle 3.
As shown in fig. 4-5, the handle 4 is provided with a front and rear driving mechanism for driving the driving rope 2.2 to move axially forward and backward, and the front and rear driving mechanism comprises a sleeve which is coaxial with the handle tube 5 and is arranged in the handle 4, the other end of the driving rope 2.2 is fixed in the sleeve, the top end of the forceps handle 3 is hinged and connected in the handle 4, the sleeve is coaxially fixed with a driving ring 7, and the forceps handle 3 is fixed with a driving block 8 which is matched with the driving ring 7. The sleeve comprises a first sleeve 9 which is coaxial with the handle tube 5 and arranged in the handle 4, the rear end of the first sleeve 9 is coaxially fixed in a shaft sleeve 10, the rear end of the shaft sleeve 10 is coaxially connected with a second sleeve 11 which can move back and forth relative to the shaft sleeve 10 in a keyed mode, the other end of the driving rope 2.2 is fixed in the second sleeve 11, and the driving ring 7 is coaxially and fixedly connected to the second sleeve 11. A guide plate 12 which is matched with the second sleeve 11 and keeps the second sleeve 11 and the shaft sleeve 10 in a coaxial state is fixed in the handle 4. A forceps handle return spring 23 is fixedly connected between the handle 4 and the forceps handle 3.
As shown in fig. 4-5, the rotary driving mechanism includes a rotary dial wheel 13 rotatably connected to a lower portion of the handle 4, the rotary dial wheel 13 is coaxially fixed with a rotary driving gear 14 through a fixed shaft, a rotary transition gear 15 engaged with the rotary driving gear 14 is disposed in the handle 4, a rotary driven gear 16 engaged with the rotary transition gear 15 is coaxially fixed on a surface of the shaft sleeve 10, the driving rope 2.2 is coaxially disposed in a spring tube 17, a spring tube sleeve 18 is coaxially fixed at a rear end of the spring tube 17, a rear end of the spring tube sleeve 18 passes through the handle tube 5 and is coaxially fixed in the first sleeve 9, and a front end of the spring tube 17 is coaxially fixed in the caliper arm base 1.3.
The bendable section 5.2 comprises a snake bone pipe 28, the front end of the snake bone pipe 28 is coaxially fixed on the fixed shaft section 5.3, the rear end of the snake bone pipe 28 is coaxially fixed on the hard pipe section 5.1, and the front ends of the spring pipe 17 and the spring pipe sleeve 18 are coaxially fixed in the snake bone pipe 28. The bending driving mechanism comprises at least two steel wires, the front ends of the steel wires are fixed on the left side and the right side of the front end of the snake bone tube 28 with the bendable section 5.2, the rear ends of the steel wires are fixed on the steel wire wheel 24, a steel wire wheel shaft 25 coaxially fixed with the steel wire wheel 24 is arranged in the handle 4, a bending driven gear 21 is fixed on the steel wire wheel shaft 25, and a bending wheel shifting mechanism for driving the bending driven gear 21 to rotate is arranged on the handle 4. The bending thumb wheel mechanism comprises a bending driving thumb wheel 22 which is rotatably connected to the side part of the handle 4, the bending driving thumb wheel 22 is coaxially connected with a bending driving gear 26 which is meshed with the bending driven gear 21 through a fixed shaft, a self-locking elastic sheet 27 is arranged between the bending driving gear 26 and the bending driving thumb wheel 22, and a limiting bolt 29 which is used for limiting the position of the bending driving gear 26 is fixed at the inner end of the fixed shaft of the bending driving thumb wheel 22.
The utility model is used for cutting and coagulating the human soft tissue in the clinical operation, and can simultaneously realize three groups of actions: the handle pipe 5 is bent in two directions, the forceps head 1 rotates and the forceps head 1 is opened and closed. The rotary thumb wheel 13 for controlling the rotation of the forceps head 1, the bending driving thumb wheel 22 for controlling the bidirectional bending of the handle tube 5 and the forceps handle 3 for controlling the opening and closing of the forceps head 1 are arranged at opposite positions which are convenient for one-hand operation of a person, during actual operation, a doctor can hold the handle 4 with one hand, drive the rotary thumb wheel 13 to rotate and control the rotation of the forceps head 1 by using a forefinger, drive the bending driving thumb wheel 22 to rotate and control the bidirectional bending of the handle tube 5 by using a thumb, and pull the forceps handle 3 by using the other three fingers to control the opening and closing of the forceps head 1. The reasonable setting of the relative position of the thumb wheel and the forceps handle 3 can ensure the operation precision and simultaneously make the manual operation more convenient.
The rotary structure of the binding clip 1: the rotary dial wheel 13 is pulled, the rotary driving gear 14 transmits power to the rotary driven gear 16 through the rotary transition gear 15, so that the shaft sleeve 10 is driven to rotate, the shaft sleeve 10 is fixed with the spring tube sleeve 18 and the first sleeve 9, the spring tube sleeve 18 can be driven to rotate through the shaft sleeve 10, and the spring tube 17 and the clamp arm base 1.3 are driven to rotate around the fixed shaft section 5.3 through the spring tube sleeve 18.
Opening and closing actions of the tong head 1: the clamp handle 3 rotates around the shaft, the second sleeve 11 is pushed to move transversely, the driving rope 2.2 is driven to move transversely, the driving rope 2.2 drives the pull rod 2.1, and the pull rod 2.1 drives the first hinged clamp arm 1.1 and the second hinged clamp arm 1.2 to achieve closing action. The forceps handle reset spring 23 pushes the second sleeve 11 to reset, the first hinged forceps arm 1.1 and the second hinged forceps arm 1.2 are opened through the driving rope 2.2 and the pull rod 2.1, the forceps head 1 is in a normally open state, the circuit is not communicated at the moment, and the forceps head 1 is not conducted.
The internal circuit of the utility model can be connected with the binding clip 1 through the insulating sleeve to realize the electrocoagulation operation, and the rest parts except the binding clip 1 are not conductive. On the basis, a water injection joint and a water injection pipe can be arranged to flush and cool the electrocoagulation part, so that the electrocoagulation temperature is prevented from being too high, and blood at the electrocoagulation part is flushed at the same time, so that the operation visual field of the electrocoagulation clamp is clear.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The front end structure of the electric coagulation forceps comprises a forceps head (1); the pliers handle (3) that is connected, drives tong pole (2) axial displacement, its characterized in that with tong pole (2) and be connected, drive tong pole (2) axial displacement with tong pole (2) that are connected, drive tong pole (1) switching through axial displacement with tong head (1): the multifunctional pliers are characterized by further comprising a handle (4), wherein the front end of the handle (4) is connected with a handle pipe (5), the handle pipe (5) comprises a hard pipe section (5.1) with the rear end fixed with the handle (4), a bendable section (5.2) coaxially fixed with the front end of the hard pipe section (5.1) and a fixed shaft section (5.3) coaxially fixed with the front end of the bendable section (5.2) and hard, and the pliers head (1) is rotatably and coaxially connected to the front end of the fixed shaft section (5.3); and a rotary driving mechanism for driving the forceps head (1) to rotate around the fixed shaft section (5.3) and a bending driving mechanism for driving the bendable section (5.2) to bend are arranged in the handle (4).
2. A front end structure of electrocoagulation pliers as claimed in claim 1, wherein: the binding clip (1) comprises a binding clip base (1.3), a first hinged binding clip (1.1) hinged in the binding clip base (1.3), a binding clip insulating sheet (6) fixed in the first hinged binding clip (1.1) and a second hinged binding clip (1.2) hinged in the binding clip insulating sheet (6), wherein the inner side surface of the front end of the first hinged binding clip (1.1) and the inner side surface of the front end of the second hinged binding clip (1.2) are respectively provided with teeth which are mutually occluded, and the binding clip base (1.3) is coaxially and rotatably connected with the front end of the fixed shaft section (5.3);
the clamp rod (2) comprises a pull rod (2.1) fixed with the rear end of the second hinged clamp arm (1.2) and a driving rope (2.2) with one end coaxially fixed in the pull rod (2.1), and the other end of the driving rope (2.2) is connected with the clamp handle (3).
3. A front end structure of electrocoagulation pliers as claimed in claim 2, wherein: the novel forceps are characterized in that a front-back driving mechanism which enables the driving rope (2.2) to move axially back and forth is arranged in the handle (4), the front-back driving mechanism comprises a sleeve which is coaxial with the handle pipe (5) and is arranged in the handle (4), the other end of the driving rope (2.2) is fixed in the sleeve, the top end of the forceps handle (3) is hinged and connected in the handle (4), a driving ring (7) is coaxially fixed on the sleeve, and a driving block (8) matched with the driving ring (7) is fixed on the forceps handle (3).
4. A front end structure of electrocoagulation pliers as claimed in claim 3, wherein: the sleeve comprises a first sleeve (9) which is coaxial with the handle tube (5) and arranged in the handle (4), the rear end of the first sleeve (9) is coaxially fixed in a shaft sleeve (10), the rear end of the shaft sleeve (10) is coaxially and key-connected with a second sleeve (11) which can move back and forth relative to the shaft sleeve (10), the other end of the driving rope (2.2) is fixed in the second sleeve (11), and the driving ring (7) is coaxially and fixedly connected to the second sleeve (11).
5. The front end structure of electrocoagulation pliers of claim 4, wherein: a guide plate (12) which is matched with the second sleeve (11) and enables the second sleeve (11) to be kept coaxial with the shaft sleeve (10) is fixed in the handle (4).
6. The front end structure of electrocoagulation pliers of claim 5, wherein: a forceps handle return spring (23) is fixedly connected between the handle (4) and the forceps handle (3).
7. The front end structure of electrocoagulation pliers of claim 6, wherein: the rotary driving mechanism comprises a rotary shifting wheel (13) which is rotatably connected to the lower portion of the handle (4), the rotary shifting wheel (13) is coaxially fixed with a rotary driving gear (14) through a fixing shaft, a rotary transition gear (15) meshed with the rotary driving gear (14) is arranged in the handle (4), a rotary driven gear (16) meshed with the rotary transition gear (15) is coaxially fixed on the surface of the shaft sleeve (10), a driving rope (2.2) is coaxially arranged in a spring pipe (17), a spring pipe sleeve (18) is coaxially fixed at the rear end of the spring pipe (17), the rear end of the spring pipe sleeve (18) penetrates through the handle pipe (5) and is coaxially fixed in the first sleeve (9), and the front end of the spring pipe (17) is coaxially fixed in the clamp arm base (1.3).
8. The front end structure of electrocoagulation pliers of claim 7, wherein: the bendable section (5.2) comprises a snake bone pipe (28), the front end of the snake bone pipe (28) is coaxially fixed on the fixed shaft section (5.3), the rear end of the snake bone pipe is coaxially fixed on the hard pipe section (5.1), and the front ends of the spring pipe (17) and the spring pipe sleeve (18) are coaxially fixed in the snake bone pipe (28).
9. The front end structure of electrocoagulation pliers of claim 8, wherein: the bending driving mechanism comprises at least two steel wires, the front ends of the steel wires are fixed to the left side and the right side of the snake bone pipe (28), the rear ends of the steel wires are fixed to steel wire wheels (24), a steel wire wheel shaft (25) coaxially fixed with the steel wire wheels (24) is arranged in the handle (4), a bending driven gear (21) is fixed to the steel wire wheel shaft (25), and a bending wheel shifting mechanism for driving the bending driven gear (21) to rotate is arranged on the handle (4).
10. A front end structure of electrocoagulation pliers as claimed in claim 9, wherein: the bending thumb wheel mechanism comprises a bending driving thumb wheel (22) which is rotatably connected to the side part of the handle (4), the bending driving thumb wheel (22) is coaxially connected with a bending driving gear (26) which is meshed with the bending driven gear (21) through a fixed shaft, a self-locking elastic sheet (27) is arranged between the bending driving gear (26) and the bending driving thumb wheel (22), and a limiting bolt (29) used for limiting the position of the bending driving gear (26) is fixed at the inner end of the fixed shaft of the bending driving thumb wheel (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256135.2U CN216797812U (en) | 2021-09-17 | 2021-09-17 | Front end structure of electric coagulation forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256135.2U CN216797812U (en) | 2021-09-17 | 2021-09-17 | Front end structure of electric coagulation forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216797812U true CN216797812U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122256135.2U Active CN216797812U (en) | 2021-09-17 | 2021-09-17 | Front end structure of electric coagulation forceps |
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|---|---|
| CN (1) | CN216797812U (en) |
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2021
- 2021-09-17 CN CN202122256135.2U patent/CN216797812U/en active Active
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