Turning flushing device for laparoscope

Abstract

The utility model discloses a laparoscope steering flushing device which comprises an operating tube, a connecting tube and a flushing tube. The corrugated pipe is coaxially fixed at one end of the operation pipe, a flushing head is mounted at the other end of the corrugated pipe, four groups of through holes are formed in the side wall of the corrugated pipe at equal intervals, the axes of the through holes are parallel to the axis of the corrugated pipe, a connecting hole is formed in the side wall of the operation pipe, and the connecting hole is communicated with the through holes; and the adjusting mechanism comprises a mounting pipe fixedly connected to the other end of the operation pipe, four winding assemblies are mounted in the mounting pipe in the circumferential direction at equal intervals, drawn wires are wound on the winding assemblies, and one ends of the drawn wires penetrate through the mounting holes and the through holes and are fixedly connected with the inner wall of the end, away from the operation pipe, of the corrugated pipe. The angle of the corrugated pipe is adjusted through the cooperation of the winding assembly and the drawing wire, so that the angle of the flushing head can be adaptively adjusted, and a region with an improper angle can be better flushed and sucked in a surgical operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, and it is a kind of laparoscope steering flushing device. BACKGROUND

[0002] In modern minimally invasive surgery field, laparoscopic surgery has become the preferred method of many surgical procedures with its small trauma, quick recovery, less complications and other advantages. This kind of operation inserts laparoscope and other surgical instruments through tiny incision on abdominal wall, so that the doctor can operate under the direct vision of television screen, greatly reducing the physical trauma caused by traditional open surgery.

[0003] In laparoscopic surgery, flushing device delivers sterile saline and other flushing liquid into abdominal cavity to clean blood, tissue fluid and other dirt in surgical area, so as to keep the clarity of surgical field. The existing flushing device has the problem of single angle during use, and cannot be operated at multiple angles, so the angle of the device needs to be adjusted constantly during operation, and improper operation can cause great harm to human body. Based on this, the utility model provides a laparoscope steering flushing device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a laparoscope steering flushing device to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a laparoscope steering flushing device, which comprises:

[0006] Operation pipe, the operation pipe lateral wall fixed communication has connecting pipe;

[0007] Bellows, the bellows coaxial fixed in one end of the operation pipe, flushing head is installed at the other end of the bellows, four groups of through holes are arranged at equal intervals in the lateral wall of the bellows, the axis of the through hole is parallel to the axis of the bellows, connecting hole is arranged in the lateral wall of the operation pipe, and the connecting hole is communicated with the through hole;

[0008] Adjusting mechanism, the adjusting mechanism includes mounting pipe fixedly connected to the other end of the operation pipe, the diameter of the mounting pipe is greater than the diameter of the operation pipe, four groups of winding assemblies are installed at equal intervals in the inner circumference of the mounting pipe, the winding assembly is wound with wire, one end of the wire passes through the connecting hole, the through hole and is fixedly connected with the inner wall of the other end of the bellows away from the operation pipe;

[0009] The end of the operating pipe is fixedly connected with a backing plate, the backing plate is arranged between the mounting pipe and the operating pipe, the winding assembly comprises a mounting plate fixedly connected to the top surface of the backing plate, a winding roller is rotationally connected to the top surface of the mounting plate, the wire is arranged on the winding roller and is fixedly connected between one end of the wire and the winding roller, the one end of the wire penetrates through the backing plate and extends into the connecting hole, a mounting groove is formed in the outer wall of the mounting pipe, a driving gear is rotationally connected in the mounting groove, a driven gear is coaxially fixedly connected to the top end of the winding roller, and the driving gear and the driven gear are engaged with each other.

[0010] The driving gear extends out of the mounting pipe.

[0011] According to the laparoscope steering and flushing device, the connecting shaft is vertically rotationally connected to the top surface of the mounting plate, the extrusion spring is sleeved on the connecting shaft, the gaskets are fixedly connected to the two ends of the extrusion spring, and the gaskets are rotationally connected with the mounting plate and the driving gear.

[0012] According to the laparoscope steering and flushing device, the bottom of the driving gear is coaxially fixedly connected with an annular positioning block, the cross section shape of the annular positioning block is an inverted T-shaped structure, the bottom wall of the mounting groove is provided with a clamping groove, and the clamping groove is matched with the annular positioning block.

[0013] According to the laparoscope steering and flushing device, the diameter of the driving gear is greater than the diameter of the driven gear, and the driving gear is provided with a scale line.

[0014] According to the laparoscope steering and flushing device, the inner diameter of the corrugated pipe is equal to the inner diameter of the operating pipe, and the outer diameter of the corrugated pipe is equal to the outer diameter of the operating pipe.

[0015] According to the laparoscope steering and flushing device, the connecting pipe and the connecting hole are arranged in a staggered mode, and the flow control valve is mounted on the connecting pipe.

[0016] The utility model discloses the following technical effects:

[0017] In operation, the device is inserted into the wound and connected to the irrigation fluid supply device via a connecting tube. The connecting tube communicates with the inner cavity of the operating tube. The irrigation fluid is output through the operating tube, the corrugated tube, and the irrigation head for rinsing. When the rinsing angle needs to be adjusted, the drive gear in the corresponding direction is manually adjusted. The rotation of the drive gear drives the driven gear to rotate, which in turn drives the winding roller to rotate and achieve the winding of the filaments. At the same time, the filaments in the opposite direction are unwound. The pulling of the filaments causes the corrugated tube to bend, thus adjusting the rinsing angle. Simultaneously, the drive gears in two adjacent directions can be adjusted, allowing the corrugated tube to be adjusted at any angle, improving the flexibility of the device.

[0018] In this invention, the angle of the corrugated tube is adjusted by the combination of the winding component and the wire drawing, thereby enabling the angle of the rinsing head to be adjusted adaptively, and allowing for better rinsing and suction of areas in surgical procedures where the angle is unsuitable. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Fig. 1 This is a schematic diagram of the laparoscopic diverting and flushing device of this utility model;

[0021] Fig. 2 This is a schematic diagram of the structure of the winding assembly of this utility model.

[0022] Among them, 1. operating pipe; 2. connecting pipe; 3. bellows; 4. through hole; 5. connecting hole; 6. flushing head; 7. mounting pipe; 8. wire drawing; 9. pad plate; 10. mounting plate; 11. take-up roller; 12. drive gear; 13. driven gear; 14. gasket; 15. flow control valve. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0025] With reference to Figs. 1-2 The utility model provides a laparoscope steering flushing device, include:

[0026] Operating pipe 1, operating pipe 1 side wall fixed communication has connecting pipe 2;

[0027] Bellows 3, bellows 3 coaxially fixed in operating pipe 1 one end, bellows 3 other end is installed with flushing head 6, and bellows 3 side wall is equally spaced apart and is provided with four groups of through -hole 4, and the axis of through -hole 4 is parallel with the axis of bellows 3, and operating pipe 1 side wall is provided with connecting hole 5, and connecting hole 5 is communicated between through -hole 4;

[0028] Adjusting mechanism, adjusting mechanism includes the mounting pipe 7 of fixed connection in operating pipe 1 other end, and the diameter of mounting pipe 7 is greater than the diameter of operating pipe 1, and four groups of winding assemblies are installed in the inner circumference of mounting pipe 7, and the winding assembly is wound with pull wire 8, and pull wire 8 one end passes through connecting hole, through -hole 4 and is fixedly connected with the inner wall of the one end of bellows 3 away from operating pipe 1;

[0029] Wherein, the end of operating pipe 1 is fixedly connected with the backing plate 9, the backing plate 9 is arranged between the mounting pipe 7 and operating pipe 1, the winding assembly includes the mounting plate 10 of fixed connection in the top surface of backing plate 9, the mounting plate 10 top surface is rotatably connected with winding roller 11, pull wire 8 is wound on winding roller 11, and one end of pull wire 8 is fixedly connected with winding roller 11, one end of pull wire 8 passes through the backing plate 9 and extends into connecting hole 5, the outer wall of mounting pipe 7 is provided with mounting groove, and driving gear 12 is rotatably connected in mounting groove, the top end of winding roller 11 is coaxially fixedly connected with driven gear 13, and driving gear 12 and driven gear 13 are engaged;

[0030] Driving gear 12 extends out of mounting pipe 7.

[0031] The utility model works, inserts the device into the wound part, connects the flushing liquid supply device through connecting pipe 2, connecting pipe 2 is communicated with the inner chamber of operating pipe 1, and the flushing liquid is output through operating pipe 1 and bellows 3, flushing head 6, and when the flushing angle needs to be adjusted, manually adjust the driving gear 12 of the corresponding direction, drive driven gear 13 to rotate through the rotation of driving gear 12, driven gear 13 drives winding roller 11 to rotate and realizes the winding of pull wire 8, and the unwinding of pull wire 8 in the opposite direction is carried out, the bending of bellows 3 is caused by the pulling of pull wire 8, so that the flushing angle can be adjusted, and the driving gear 12 in two adjacent directions can be adjusted synchronously, so that the angle of bellows 3 can be adjusted at any angle, and the flexibility of the device is improved.

[0032] The utility model discloses a winding assembly and wire drawing 8 cooperation realize the adjustment of the angle of bellows 3 to can make the angle of the washing head 6 adaptive adjustment, avoid the human body injury caused by repeated intubation.

[0033] Further optimization scheme, the center position fixed connection of drive gear 12 is provided with connecting shaft, and connecting shaft is vertically rotatably connected on the top surface of mounting plate 10, and extrusion spring is sleeved on connecting shaft, and the both ends of extrusion spring are fixedly connected with gasket 14 respectively, and gasket 14 is rotatably connected with mounting plate 10 and drive gear 12.

[0034] In the embodiment, the setting of extrusion spring makes the relative friction between gasket 14 and drive gear 12, and the friction force can avoid the autorotation of drive gear 12, and the stability of the device is maintained.

[0035] Further optimization scheme, the bottom of drive gear 12 is coaxially fixedly connected with annular positioning block, the cross section shape of annular positioning block is inverted T type structure, the bottom wall of mounting groove is provided with clamping groove, and clamping groove is matched with annular positioning block. The cooperation of annular positioning block and clamping groove can guarantee that drive gear 12 rotates in mounting groove, and the stability of drive gear 12 is guaranteed.

[0036] Further optimization scheme, the diameter of drive gear 12 is greater than the diameter of driven gear 13, and scale line is arranged on drive gear 12.

[0037] Drive gear 12 drives driven gear 13 to rotate, and driven gear 13 drives winding roller 11 to wind and unwind wire drawing 8.

[0038] In the embodiment, the diameter ratio of drive gear 12 and driven gear 13 is adjusted according to actual needs, and it should be noted that the scale line directly reflects the angle bending value, the number of revolutions of driven gear 13 when drive gear 12 rotates one round is obtained according to the diameter of drive gear 12 and driven gear 13, the length of wire drawing 8 after drive gear 12 rotates one round is calculated through the number of revolutions of driven gear 13 and the circumference of winding roller 11, the bending angle of bellows 3 when measuring unit length wire drawing 8 is measured, the maximum bending angle of bellows 3 is measured, the maximum bending angle corresponding wire drawing 8 winding length is equally divided, the equally divided value is converted into angle value and marked on drive gear 12, so that the bending angle of bellows 3 when rotating a certain angle can be directly reflected.

[0039] Further optimization scheme, the inner diameter of bellows 3 is equal to the inner diameter of operation tube 1, and the outer diameter of bellows 3 is equal to the outer diameter of operation tube 1.

[0040] Further optimization scheme, the connecting pipe 2 and the connecting hole 5 are misaligned, and the flow control valve 15 is installed on the connecting pipe 2. Further optimization scheme, the connecting pipe 2 and the connecting hole 5 are misaligned, and the flow control valve 15 is installed on the connecting pipe 2.

[0041] Further optimization scheme, the through hole 4 is provided with reset spring, through the setting of reset spring can assist the bellows 3 to recover the original shape quickly.

[0042] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0043] The above-described embodiments are only preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical scheme of the utility model made by those skilled in the art without departing from the design spirit of the utility model should fall within the protection scope of the utility model claim.

Claims

1. A laparoscopic steering irrigation device, characterized in that, Include: Operation pipe (1), the side wall fixed communication has connecting pipe (2) of operation pipe (1); The corrugated pipe (3) is coaxially fixed at one end of the operation pipe (1), the other end of the corrugated pipe (3) is provided with a flushing head (6), the side wall of the corrugated pipe (3) is provided with four groups of through holes (4) at equal intervals, the axis of the through hole (4) is parallel to the axis of the corrugated pipe (3), the side wall of the operation pipe (1) is provided with a connecting hole (5), the connecting hole (5) is communicated with the through hole (4); Adjusting mechanism, the adjusting mechanism includes a mounting pipe (7) fixedly connected to the other end of the operation pipe (1), the diameter of the mounting pipe (7) is greater than the diameter of the operation pipe (1), four groups of winding assemblies are installed on the inner circumference of the mounting pipe (7) at equal intervals, the winding assemblies are wound with a wire (8), one end of the wire (8) passes through the connecting hole (5), the through hole (4) and is fixedly connected with the inner wall of the corrugated pipe (3) away from one end of the operation pipe (1); Wherein, the end of the operation pipe (1) is fixedly connected with a backing plate (9), the backing plate (9) is arranged between the mounting pipe (7) and the operation pipe (1), the winding assembly includes a mounting plate (10) fixedly connected to the top surface of the backing plate (9), the mounting plate (10) is rotatably connected with a winding roller (11) on the top surface, the wire (8) is wound on the winding roller (11), and one end of the wire (8) is fixedly connected with the winding roller (11), one end of the wire (8) passes through the backing plate (9) and extends into the connecting hole (5), the outer wall of the mounting pipe (7) is provided with a mounting groove, the driving gear (12) is rotatably connected in the mounting groove, the top end of the winding roller (11) is coaxially fixedly connected with a driven gear (13), the driving gear (12) is engaged with the driven gear (13); The driving gear (12) extends out of the mounting pipe (7).

2. The laparoscopic steering and irrigation device of claim 1, wherein: The center of the driving gear (12) is fixedly connected with a connecting shaft, the connecting shaft is vertically rotatably connected to the top surface of the mounting plate (10), the connecting shaft is sleeved with an extrusion spring, the two ends of the extrusion spring are respectively fixedly connected with a gasket (14), the gasket (14) is rotatably connected with the mounting plate (10) and the driving gear (12).

3. The laparoscopic steering and irrigation device of claim 1, wherein: The bottom of the driving gear (12) is coaxially fixedly connected with an annular positioning block, the cross section of the annular positioning block is in inverted T type structure, the bottom wall of the mounting groove is provided with a clamping groove, the clamping groove is matched with the annular positioning block.

4. The laparoscopic steering and irrigation device of claim 1, wherein: The diameter of the driving gear (12) is greater than the diameter of the driven gear (13), and the driving gear (12) is provided with a scale line.

5. The laparoscopic steering and irrigation device of claim 1, wherein: The inner diameter of the corrugated pipe (3) is equal to the inner diameter of the operation pipe (1), the outer diameter of the corrugated pipe (3) is equal to the outer diameter of the operation pipe (1).

6. The laparoscopic steering and irrigation device of claim 1, wherein: The connecting pipe (2) and the connecting hole (5) are arranged in a staggered manner, and the flow control valve (15) is installed on the connecting pipe (2).

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