CN112914671A - Electric rib saw of thoracoscope - Google Patents
Electric rib saw of thoracoscope Download PDFInfo
- Publication number
- CN112914671A CN112914671A CN202110229297.9A CN202110229297A CN112914671A CN 112914671 A CN112914671 A CN 112914671A CN 202110229297 A CN202110229297 A CN 202110229297A CN 112914671 A CN112914671 A CN 112914671A
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- China
- Prior art keywords
- saw
- thoracoscope
- saw blade
- motor
- protection
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/147—Surgical saws ; Accessories therefor with circularly moving saw blades, i.e. non-reciprocating saw blades
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Abstract
The invention relates to an electric rib saw of a thoracoscope, which comprises a saw blade (1), a motor (4) for driving the saw blade (1) to rotate, a transmission assembly for adjusting the angle of the saw blade (1), and protection assemblies arranged on two sides of the saw blade (1). Compared with the prior art, the invention not only can realize the cutting operation in the operation through the high-speed rotation of the saw blade, greatly improve the efficiency of the operation, but also can effectively avoid the secondary damage of the saw blade to the operation part of a patient through protecting the telescopic column in the cutting process, improve the safety of the operation process, and in addition, through the turning knob and the rotating pin, the rotation of the rotating pin and the motor can be realized through the connecting rod, thereby realizing the multi-angle adjustment of the saw blade, improving the use flexibility of the device and having good practicability.
Description
Technical Field
The invention relates to medical equipment, in particular to an electric rib saw of a thoracoscope.
Background
Open chest treatments, such as post sternal goiter, mediastinal tumors, open heart surgery, etc., are often required in the surgical treatment of cardiothoracic diseases. In open chest surgery, a powered sternal saw is used to cut the ribs apart, splitting the sternum apart, leaving the lower neck and chest fully exposed, providing access to the chest cavity for the surgical procedure. The diaphragm is located under the sternum, and the heart and the great vessels connected with the heart are the important human organs, and the sternum saw is very sharp when the sternum is sawn, so how to ensure the effect of sawing the sternum without damaging the tissues below the sternum has important significance.
The sternum saw disclosed in chinese patent ZL201510090672 has a straight hook-shaped front end portion of the saw holder, which mainly plays a role in protection, when in use, an operator needs to lift the sternum saw forward, and the front end portion straight hook structure of the saw holder catches the front undivided sternum, so as to prevent the sternum saw from damaging the tissues below the sternum saw, but the continuous lifting of the saw forward and upward is inconvenient for operation and easy to cause arm fatigue, and meanwhile, the descending position of the saw due to unexpected factors such as arm shaking can cause dangerous situations of heart or great vessels damage, and in addition, the continuous lifting of the saw upward sometimes causes the saw to be lifted out of the chest cavity without catching the front undivided sternum, and at this time, the saw needs to be reinserted into the chest cavity.
In order to solve the problems, Chinese patent ZL201921432642.3 discloses a safety type sternum saw capable of preventing the sternum saw from accidentally injuring tissues and organs and ensuring stable work, an inner baffle piece and an outer baffle piece are arranged, the position of a saw knife clamp in a thoracic cavity can be limited, the saw knife clamp is prevented from being lifted out of the thoracic cavity or being inserted into the thoracic cavity to damage tissues due to misoperation, the overall structure is reasonable in design, and the use safety of the sternum saw is ensured.
However, these conventional electric bone saws for thoracoscopic surgery mainly perform cutting operation by the back-and-forth movement of the saw blade, and the swing frequency of the saw blade is low, which results in low surgical efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the high-efficiency thoracoscope electric rib saw.
The purpose of the invention can be realized by the following technical scheme: the utility model provides an electronic rib saw of thoracoscope which characterized in that, includes the saw bit, drives saw bit pivoted motor, adjusts the transmission subassembly of saw bit angle to and set up the protection subassembly in saw bit both sides.
The saw blade is arranged at the transmission output end of the motor.
The transmission assembly comprises a rotating pin and a turning knob, the rotating pin is connected with the turning knob, the motor is connected with the rotating pin, and the turning knob is rotated to drive the rotating pin to rotate, so that the motor is driven to swing, and the multi-angle adjustment of the saw blade is realized.
The electric rib saw of the thoracoscope further comprises a connecting rod, the rotating pin is installed at one end of the connecting rod, a rotating rod is arranged at the center of the connecting rod, and the rotating pin is connected with a turning knob through the rotating rod.
The connecting rod is connected with a handle, and the turning knob is arranged on the handle.
The saw blade is a circular saw blade which rotates under the driving of a motor, so that the cutting operation in the operation is realized.
The protection subassembly include two protection telescopic columns that are located the saw bit both sides, still include the support, the flexible post of protection install on the support, the support is fixed on the motor.
The support on be equipped with two spouts, be equipped with the spring in the spout, the flexible post of protection be located the spout to with spring coupling.
The elastic force range of the spring is 20-30N.
The handle is internally provided with a power line which is connected with a motor.
Through adopting above-mentioned technical scheme, motor, saw bit, rotational pin, support, the flexible post of protection and the design of turn knob not only can pass through the saw bit rotates at a high speed and realizes the cutting operation in the operation, very big improvement the efficiency of operation, passes through in cutting process moreover the flexible post of protection can effectively avoid the saw bit improves operation process security to the secondary damage at patient's operation position, in addition passes through turn knob and the rotational pin can pass through the connecting rod is realized the rotational pin and the rotation of motor, and then realize the multi-angle of saw bit is adjusted, and improvement device uses the flexibility, and the practicality is good.
Compared with the prior art, the invention has the following beneficial effects:
1. in order to solve the problems that the conventional electric bone saw for the thoracoscope surgery mainly performs cutting operation through the back-and-forth movement of the saw blade, and the surgery efficiency is low due to the low swing frequency of the saw blade, the invention adopts the disc saw blade to replace a strip-shaped saw blade, and when the electric bone saw is used, the motor drives the disc saw blade to rotate at high speed to realize cutting without back-and-forth pulling, so that the cutting operation in the surgery can be realized through the high-speed rotation of the saw blade, and the surgery efficiency is greatly improved.
2. When the protective telescopic column is used, when the saw blade extends into a pre-opened operation hole and is inserted into a specified depth, the protective telescopic column is abutted against tissues near a wound through the elasticity of the spring, so that on one hand, the lateral displacement caused by high-speed rotation of the saw blade in the operation process can be avoided, the saw blade can be rotated to a cutting part along a set track, the operation error is avoided, the operation difficulty is reduced, on the other hand, the secondary damage of the saw blade to the operation part of a patient can be effectively prevented in the operation process through the protective telescopic column, and the safety of the operation process is improved.
3. In the prior art, the installation angle of the saw blade is more and more fixed, and cannot be adjusted, so that the rib saw is poor in use flexibility.
Drawings
FIG. 1 is a front view of the thoracoscope electric rib saw of the present invention;
FIG. 2 is a top view of the thoracoscope electric rib saw of the present invention;
FIG. 3 is a cross-sectional view of the turn knob coupled to the motor;
FIG. 4 is a schematic view of a multi-angle adjustment of a saw blade;
FIG. 5 is a partial schematic view of the protective telescopic column;
FIG. 6 is a partial structural view of the mounting of the saw blade to the motor;
the reference numerals are explained below:
1. a saw blade; 2. protective telescopic column, 21 steps; 3. the support, 31 inlay set, 32 shims, 33 flanging, 34 spring; 4. a motor, 41 a motor rotating shaft, 42 baffle rings, 43 pressing pieces and 44 bolts; 5. rotation pins, 51 bevel gear, 52 bevel gear, 53 rotation shaft, 54 rotation shaft, 55 gear, 56 gear; 6. a connecting rod; 7. a handle; 8. a turning knob; 9. a power line.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.
The invention designs a thoracoscope electric rib saw, which comprises a disc-shaped saw blade 1, a motor 4 for driving the saw blade 1 to rotate, a transmission assembly for adjusting the angle of the saw blade 1 and protection assemblies arranged on two sides of the saw blade 1, wherein the transmission assembly comprises a rotating pin 5 and a turning knob 8, the rotating pin 5 is connected with the turning knob 8, the motor 4 is connected with the rotating pin 5, the turning knob 8 is rotated to drive the rotating pin 5 to rotate, so that the motor 4 is driven to swing, the multi-angle adjustment of the saw blade 1 is realized, and the protection assemblies comprise two protection telescopic columns 2 positioned on two sides of the saw blade 1. Rotate the cutting operation in realizing the operation through saw bit 1 high-speed, very big improvement the efficiency of operation, and through protection flexible post 2 in cutting process, can effectively avoid saw bit 1 to the secondary damage at patient's operation position, improve operation process security, in addition through turn knob 8 and rotating pin 5, can realize rotating pin 5 and motor 4's rotation through connecting rod 6, and then realize saw bit 1's multi-angle regulation, improve the device and use the flexibility, the practicality is good.
The installation mode and structure of the saw blade 1 are only required to realize high-speed rotation of the saw blade and perform cutting operation, but the installation structure is provided in the embodiment, but no limitation is made to the structure, as shown in fig. 6, the saw blade 1 is installed on a motor rotating shaft 41 of a motor 4, a retaining ring 42 and a pressing piece 43 are arranged on the motor rotating shaft 41, and the saw blade 1 is installed between the retaining rings 42 of the pressing piece 43 through a bolt 44.
The protection assembly is used for avoiding secondary damage of the saw blade to the surgical site of a patient and assisting in positioning, and specifically is a telescopic protection telescopic column 2 arranged on two sides of the saw blade, the protection telescopic column 2 is used for assisting in separating internal tissues after the saw blade 1 is inserted into a surgical hole, so that the saw blade smoothly reaches a wound, and after the saw blade reaches a set wound, the protection telescopic column 2 is used for supporting the tissues near the wound to perform positioning to avoid deviation in the rotating process of the saw blade 1 to cause secondary damage and reduce operation difficulty, the protection assembly has a specific structure that the protection telescopic column 2 can be positioned on two sides of the saw blade 1 and has certain elasticity along with the penetration of the saw blade 1, the protection assembly structure is provided in the embodiment, but the protection assembly does not form the limitation on the structure, as shown in figures 1 and 5, the protection assembly comprises two protection telescopic columns 2 positioned on two sides of the saw blade 1, still include support 3, the flexible post 2 of protection install on support 3, support 3 is fixed on motor 4. Be equipped with two spouts on the support 3, be equipped with in the spout and inlay set 31, inlay set 31 one end and be equipped with gasket 32, the opposite side is equipped with turn-ups 33, is equipped with spring 34 in the spout, 2 one ends of protection flexible post be the free end, the other end is located the spout to be equipped with step 21, with turn-ups 33 matches, carries on spacingly to the motion extreme position of protection flexible post 2 through turn-ups 33, avoids protection flexible post 2 to run out from the spout, and step 21 and spring 34 butt, and the elasticity scope of spring is 20 ~ 30N, realizes the flexible of protection flexible post 2 through compression spring 34.
The transmission assembly include rotating pin 5, connecting rod 6, turn knob 8, 5 rotating pins of rotating pin 5 install in 6 one ends of connecting rod, 6 centers of connecting rod are equipped with the dwang, rotating pin 5 passes through the dwang and connects turn knob 8, motor 4 connect rotating pin 5, rotate turn knob 8 and drive rotating pin 5 through the dwang and rotate to driving motor 4 swings, realizes the multi-angle modulation of saw bit 1. Referring to fig. 1-4, the present invention provides an embodiment for adjusting the angle of a saw blade, wherein the rotation pin 5 includes bevel gears 51, bevel gears 52, a rotation shaft 53, a rotation shaft 54, a gear 55 and a gear 56, wherein the bevel gears 51 are connected to a turning knob 8 mounted on the handle 7 through a rotation rod, the turning knob 8 is rotated to drive the bevel gears 51 to rotate, the bevel gears 52 are engaged with the bevel gears 51, the rotation direction of the two bevel gears is perpendicular, for example, the bevel gears 51 are rotated in the axial direction to drive the bevel gears 52 to rotate in the horizontal direction, thereby realizing the adjustment and change of the movement direction, the bevel gears 52 and the gear 55 are mounted on the rotation shaft 53, the gear 56 is engaged with the gear 55, the gear 56 is mounted on the rotation shaft 54, the bevel gears 52 are rotated to drive the rotation shaft 53 and the gear 55 to rotate, thereby pushing the gear 56, the gear 56 is fixed on the motor 4, so as to drive the motor 4 to rotate around the rotating shaft 54 by a certain angle, thereby realizing multi-angle adjustment of the saw blade 1, and the rotating angle can be set to a corresponding limit component for limiting as required.
As shown in fig. 1-2, in this embodiment, the saw blade 1 is connected to the motor 4, the saw blade 1 is of a disc-shaped structure, the saw blade 1 is a main component for realizing cutting operation, the support 3 is connected to the motor 4 through screws, the protection telescopic column 2 is slidably connected to the support 3, the protection telescopic column 2 is two, the support 3 can realize reliable installation of the protection telescopic column 2, rotation of the motor 4 through the rotation pin 5 can be realized by rotating the turning knob 8, the handle 7 is connected to the connecting rod 6 in an inserting manner, the turning knob 8 is rotatably connected to the handle 7, the handle 7 can realize convenient holding of the device, the power line 9 is connected to the handle 7 in an inserting manner, the power line 9 is electrically connected to the motor 4, and normal power-on of.
The specific implementation process of this embodiment is as follows: when needing to saw cut the operation to patient's operation position in thoracoscopic surgery, at first switch on power cord 9 and external power supply, and stretch into saw bit 1 in advance in the operation hole of opening through handheld handle 7, then after saw bit 1 inserts appointed degree of depth, it drives rotational pin 5 through turning knob 8 rotation and rotates, thereby the angle of adjustment saw bit 1, make it rotate the cutting position until saw bit 1, make protection flexible post 2 support and wait to cut the part and fix a position, then switch on power through power cord 9, turn on motor 4, it drives saw bit 1 high-speed rotation to rotate through motor 4, and slow moving device, alright realize saw cutting operation, protection flexible post 2 can effectively prevent the damage of saw bit 1 to patient's operation position at the operation in-process, make operation in-process safety more.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (10)
1. The utility model provides an electronic rib saw of thoracoscope which characterized in that, includes saw bit (1), drive saw bit (1) pivoted motor (4), adjusts the drive assembly of saw bit (1) angle to and set up the protection subassembly in saw bit (1) both sides.
2. A thoracoscope electric rib saw as claimed in claim 1, characterized in that the saw blade (1) is mounted on the transmission output of the motor (4).
3. The electric rib saw of the thoracoscope according to claim 1, wherein the transmission assembly comprises a rotation pin (5) and a turning knob (8), the rotation pin (5) is connected with the turning knob (8), the motor (4) is connected with the rotation pin (5), and the turning knob (8) is rotated to drive the rotation pin (5) to rotate, so that the motor (4) is driven to swing, and the multi-angle adjustment of the saw blade (1) is realized.
4. The thoracoscope electric rib saw as claimed in claim 3, wherein the thoracoscope electric rib saw further comprises a connecting rod (6), the rotating pin (5) is installed at one end of the connecting rod (6), a rotating rod is arranged at the center of the connecting rod (6), and the rotating pin (5) is connected with the turning knob (8) through the rotating rod.
5. A thoracoscope electric rib saw according to claim 4, characterized in that said connecting rod (6) is connected with a handle (7), said turning knob (8) is mounted on the handle (7).
6. A thoracoscope electric rib saw as claimed in claim 1, characterized in that the saw blade (1) is a circular saw blade, which is driven by the motor (4) to rotate to perform the cutting operation during the operation.
7. The electric rib saw of the thoracoscope, according to claim 1, characterized in that said protection assembly comprises two protection telescopic posts (2) located at both sides of the saw blade (1) and further comprises a support (3), said protection telescopic posts (2) are mounted on the support (3), and the support (3) is fixed on the motor (4).
8. The electric rib saw of thoracoscope as claimed in claim 7, wherein said support (3) is provided with two sliding grooves, a spring is provided in the sliding groove, and said protective telescopic post (2) is located in the sliding groove and connected with the spring.
9. The thoracoscope electric rib saw of claim 8, wherein the elastic force of the spring is in the range of 20-30N.
10. A thoracoscope electric rib saw according to claim 5, characterized in that a power line (9) is arranged in the handle (7), and the power line (9) is connected with the motor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229297.9A CN112914671A (en) | 2021-03-02 | 2021-03-02 | Electric rib saw of thoracoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110229297.9A CN112914671A (en) | 2021-03-02 | 2021-03-02 | Electric rib saw of thoracoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112914671A true CN112914671A (en) | 2021-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110229297.9A Pending CN112914671A (en) | 2021-03-02 | 2021-03-02 | Electric rib saw of thoracoscope |
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| Country | Link |
|---|---|
| CN (1) | CN112914671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115068044A (en) * | 2022-07-29 | 2022-09-20 | 许拥解 | Medical electric swing saw for orthopedics department |
-
2021
- 2021-03-02 CN CN202110229297.9A patent/CN112914671A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115068044A (en) * | 2022-07-29 | 2022-09-20 | 许拥解 | Medical electric swing saw for orthopedics department |
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