CN217960046U

CN217960046U - Multidirectional bending-adjustable handle and bending-adjustable bronchoscope

Info

Publication number: CN217960046U
Application number: CN202221429415.7U
Authority: CN
Inventors: 熊乔洲; 白晓淞; 梁胜
Original assignee: Innermedical Co ltd
Current assignee: Innermedical Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-12-06
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a multidirectional accent curved handle and adjustable curved bronchoscope, multidirectional accent curved handle includes the handle body, the handle body is equipped with the accent curved subassembly, the accent curved subassembly includes: the probe comprises a first knob, a sleeve, a first bending connecting piece and a second bending connecting piece, wherein the first bending connecting piece and the second bending connecting piece are connected with the far end of a probe tube; the sleeve is provided with a first through hole and a second through hole which are respectively positioned at two opposite sides of the sleeve; the first knob is provided with a fixing position, the first bending connecting piece penetrates out of the first through hole and then is connected with the fixing position, and the second bending connecting piece penetrates out of the second through hole and then is connected with the fixing position. Adopt the technical scheme of the utility model, can realize the multi-direction bending of bronchoscope flexion, and then can satisfy the contained angle requirement between target air flue and the main air flue.

Description

Multidirectional bending-adjustable handle and bending-adjustable bronchoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a multidirectional accent curved handle and adjustable curved bronchoscope.

Background

At present, the incidence of respiratory diseases is increasing, and the excellent performance of bronchoscopes in the clinical diagnosis and treatment process makes bronchoscopes as one of indispensable means for diagnosing and treating endobronchial malignant tumors and other diseases. Respiratory tract infection and intrabronchial tumor are common in clinic, in clinical practical application, a bronchoscope needs to be placed into a target trachea of a patient, the position of a focus inside the trachea is found out through a camera module, and a surgical instrument reaches the position of the focus through a channel inside the trachea to carry out operation treatment, so that the front end of the bronchoscope is required to be bent, the bronchoscope can enter the target trachea, and the aim of detecting or treating the patient is fulfilled. However, the conventional bronchoscope is usually a rigid bronchoscope, is difficult to bend and complex to operate, and cannot effectively reach a target airway when an included angle exists between the main airway and the target airway, so that detection and treatment are influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses a multidirectional adjustable curved handle and adjustable curved bronchoscope for solve at least one of above technical problem.

To this end, the technical scheme of the utility model is that:

a multidirectional bending adjusting handle comprises a handle body, wherein the handle body is connected with the near end of a probe tube, the handle body is provided with a bending adjusting assembly, the bending adjusting assembly comprises a first knob, a sleeve, a first bending connecting piece and a second bending connecting piece, the first bending connecting piece and the second bending connecting piece are connected with the far end of the probe tube, the first knob and the sleeve are arranged at the near end of the probe tube, the sleeve is arranged in the handle body and is connected with the first knob, and the first knob is rotatably connected with the handle body; the sleeve is provided with a first through hole and a second through hole, and the first through hole and the second through hole are respectively positioned at two opposite sides of the sleeve; still be equipped with fixed position on the first knob, fixed position is located first through-hole with between the second through-hole, first bending connector follow first through-hole wear out the back with fixed position is connected, second bending connector follow the second through-hole wear out the back with fixed position is connected.

Adopt this technical scheme, first crooked connecting piece and second crooked connecting piece pass through the first through-hole of opening on the sleeve, the second through-hole is connected and is fixed with the fixed position of first knob respectively, and first crooked connecting piece and second crooked connecting piece are fixed in same position, and first crooked connecting piece and second crooked connecting piece are located respectively the sleeve is relative both sides, when rotatory first knob, when realizing turning to one side of crooked connecting piece from one side taut, the crooked connecting piece of opposite side relaxs, drives the bending of the distal end of exploring tube through first crooked connecting piece and second crooked connecting piece, can control crooked angle through first knob moreover. Further, the bending angle in each direction is 0 ° to 150 °, that is, the bending angle may reach-150 ° to +150 °.

As a further improvement of the utility model, the sleeve is arranged at the near end of the probe tube.

As a further improvement, the first through hole, the second through hole and the plane included angle of the fixed position are 90 degrees.

As a further improvement of the present invention, the first bending connector and the second bending connector are wires. Furthermore, the first bending connecting piece and the second bending connecting piece both adopt multi-strand steel wires. By adopting the technical scheme, the structure is simple, and the implementation is convenient.

As a further improvement of the utility model, the handle body still is equipped with rotating assembly, rotating assembly includes second knob, handle coil and drive mechanism, the handle coil with exploring tube fixed connection, second knob, handle coil respectively with muffjoint, the second knob pass through drive mechanism with handle coil rotates and connects.

By adopting the technical scheme, the handle coil is driven through the transmission mechanism by rotating the second knob, so that the probe tube is driven, and the 360-degree rotation of the probe tube in the circumferential direction is realized. When the bending adjusting component is used in combination with the bending adjusting component, the multi-direction bending of the detection tube can be realized.

As a further improvement of the present invention, the second knob, the handle coil are connected to the sleeve by a fixing pin.

As a further improvement of the utility model, the transmission mechanism is a gear; the handle coil comprises a fixing part which is fixedly connected with the detection tube; the second knob is sleeved on the outer side of the fixing portion, first teeth are arranged on the outer wall of the fixing portion, second teeth are arranged on the inner wall of the second knob, the gear is rotatably sleeved on the fixing pin, and the gear is meshed with the first teeth and the second teeth respectively. By adopting the technical scheme, the characteristic of high transmission precision of gear transmission is utilized, the accurate fine adjustment of the angle can be realized, and the operation is more facilitated.

As a further improvement, the quantity of fixed pin is 2, is located respectively the both sides that the fixed part is relative, drive mechanism includes two gears, and each gear housing is on a fixed pin, correspond on the fixed pin the gear is equipped with a screens, plays the axial fixity the effect of gear. Further, the two gears are symmetrically distributed along the circumference.

As a further improvement of the present invention, the sleeve is provided with an axially extending pin hole, and one end of the fixing pin is fixed to the pin hole.

As a further improvement of the present invention, the tooth ratio of the first tooth to the gear of the outer wall of the fixing portion is 1:1; the gear ratio of the second teeth to the teeth of the second knob on the inner wall of the second knob is 2:1. By adopting the technical scheme, the second knob rotates 90 degrees, the gear rotates 180 degrees along with the second knob, so that the handle coil is driven to rotate 180 degrees, the rotation of the second knob by 180 degrees can realize the rotation of the bending part by 360 degrees, and the operation is convenient.

As a further improvement of the present invention, the fixing portion is fixedly connected to the braided tube of the probe tube through an adhesive.

As a further improvement of the utility model, the kneck of first knob and second knob is equipped with 0 to 180 mark, and the corresponding number of degrees one-to-one of the carved mark is corresponding when the assembly. By adopting the technical scheme, the required angle can be rotated by reading the mark during rotation.

The utility model discloses an adjustable curved bronchoscope, include: bronchoscope body and accent curved handle, the bronchoscope body includes the probe tube, the probe tube is for weaving the tubular construction, the probe tube cup joints and is fixed in the handle coil of accent curved handle, the accent curved handle be as above the multidirectional accent curved handle.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the technical scheme of the utility model, can realize the multi-direction bending of bronchoscope flexion, and then can satisfy the contained angle requirement between target air flue and the main air flue for the bronchoscope body can get into the target air flue, and can adapt to the individuation difference of different patient lumen physiological structures. Furthermore, the technical scheme of the invention adopts gear transmission, and because the gear transmission precision is high, the accurate transmission ratio can be ensured, the angle fine adjustment can be carried out, and the operation is convenient.

Drawings

Fig. 1 is a schematic structural view of a multidirectional bending adjustment handle according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of the multi-directional bending handle according to embodiment 1 of the present invention mounted on a bronchoscope.

Fig. 3 is a schematic partial sectional view of a multidirectional bending handle according to embodiment 1 of the present invention.

Fig. 4 is a schematic partial sectional view of a multidirectional bending handle according to embodiment 2 of the present invention.

Fig. 5 is a schematic view of the internal structure of the multidirectional bending handle according to embodiment 2 of the present invention.

Fig. 6 is a schematic structural view of the multi-directional bending adjustment handle according to embodiment 2 of the present invention mounted on a bronchoscope.

Fig. 7 is a schematic structural diagram of an adjustable bending bronchoscope according to embodiment 3 of the present invention.

The reference numerals include:

1-a handle body, 2-a detection tube, 3-a first knob, 4-a sleeve, 5-a first steel wire, 6-a second steel wire, 7-a first through hole, 8-a second through hole, 9-a fixing position and 10-a braided tube; 11-a second knob, 12-a handle coil, 13-a gear, 14-a fixed pin, 15-a fixed part, 16-a first tooth, 17-a second tooth; 21-a bronchoscope tube body and 22-a bending adjusting handle.

Detailed Description

Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, a multidirectional bending handle, it includes handle body 1, handle body 1 is connected with the near-end of detecting tube 2, handle body 1 is equipped with the bending subassembly, the bending subassembly includes: the handle comprises a first knob 3, a sleeve 4, a first steel wire 5 and a second steel wire 6, wherein the first steel wire 5 and the second steel wire 6 are connected with the far end of a detection tube 2, the first knob 3 and the sleeve 4 are arranged at the near end of the detection tube 2, the sleeve 4 is arranged in a handle body 1 and is connected with the first knob 3, and the first knob 3 is rotatably connected with the handle body 1 through threads; the sleeve 4 is sleeved at the near end of the detection tube 2, the sleeve 4 is provided with a first through hole 7 and a second through hole 8, and the first through hole 7 and the second through hole 8 are respectively positioned at two opposite sides of the sleeve 4; first knob 3 is equipped with fixed position 9, first steel wire 5 follow first through-hole 7 wear out back with fixed position 9 is connected, second steel wire 6 follow second through-hole 8 wear out back with fixed position 9 is connected. The included angle between the first through hole 7, the second through hole 8 and the plane of the fixing position 9 is 90 degrees.

Further, the first steel wire 5 and the second steel wire 6 are made of multi-strand steel wires. The first steel wire 5 and the second steel wire 6 are positioned outside the braided tube 10 of the bronchoscope body.

By adopting the technical scheme, the far end of the probe tube 2 is connected with two steel wires, the two steel wires are connected and fixed with the first knob 3 through two through holes formed in the sleeve 4, the included angle between the two through holes and the plane of the fixed position 9 is 90 degrees, and the two multi-strand steel wires are fixed at the same position, so that when one side of the steering steel wire is tensioned, the other side is loosened, as shown in figure 2, the first knob 3 is rotated upwards in the R 'direction, and the bending part is bent towards the A' direction; the first knob 3 is rotated upwards in the L' direction to bend the bending part towards the A direction, the bending angle of each direction is 0-150 degrees, and the angles of the two directions are-150 degrees to +150 degrees.

Example 2

As shown in fig. 4 to 6, on the basis of embodiment 1, in this embodiment, the handle body 1 is provided with a rotating assembly, the rotating assembly includes a second knob 11, a handle coil 12 and a transmission mechanism, the handle coil 12 is fixedly connected to the probe tube 2, the second knob 11 and the handle coil 12 are connected to the sleeve 4 through a fixing pin 14, and the second knob 11 is rotatably connected to the handle coil 12 through the transmission mechanism.

Specifically, the transmission mechanism is a gear 13; the handle coil 12 comprises a fixing part 15, and the fixing part 15 is fixedly connected with the detection tube 2; the second knob 11 is in the outside of fixed part 15, the outer wall of fixed part 15 is equipped with first tooth 16, the inner wall of second knob 11 is equipped with second tooth 17, the rotatable cover of gear 13 is in on the fixed pin 14, gear 13 respectively with first tooth 16 the meshing of second tooth 17. The sleeve 4 is provided with an axially extending pin hole in which one end of the fixing pin 14 is fixed.

More preferably, the number of the fixing pins 14 is 2, and the fixing pins are respectively located at two opposite sides of the fixing portion 15 and are symmetrically distributed along the circumference. The transmission mechanism comprises two gears 13, each gear 13 is sleeved on a fixing pin 14, a clamping position is arranged on the fixing pin 14 corresponding to the gear 13, and the gears 13 are axially fixed.

More preferably, the gear ratio of the first teeth 16 on the outer wall of the fixing portion 15 to the gear 13 is 1:1; the gear ratio of the second teeth 17 on the inner wall of the second knob 11 to the gear 13 is 2:1; the fixing portion 15 is fixedly connected with the braided tube 10 of the probe tube 2 through an adhesive. Therefore, the second knob 11 rotates 90 degrees, the gear 13 rotates 180 degrees along with the rotation, the handle coil 12 is driven to rotate 180 degrees, the rotation of the second knob 11 by 180 degrees can realize the rotation of the bending part by 360 degrees, and the operation is convenient.

The interface between the first knob 3 and the second knob 11 is provided with a mark of 0-180 degrees, the corresponding degrees of the mark correspond to each other one by one during assembly, and the first knob 3 can rotate by reading the required angle of the mark.

By adopting the technical scheme, the second knob 11 is rotated to the R direction by rotating, the second knob 11 drives the handle coil 12 through the gear 13, and the handle coil 12 drives the braided tube 10 to realize that the bending part rotates to the B' direction; the second knob 11 is rotated towards the L direction by rotating, the second knob 11 drives the handle coil 12 through the gear 13, the handle coil 12 drives the braided tube 10, and the bending part is rotated towards the B direction. And because the transmission precision of the gear 13 transmission is high, the angle fine adjustment can be realized by reading the scales on the first knob 3 and the second knob 11. 360-degree rotation of the circumference of the bending part can be realized by rotating the second knob 11, and fine adjustment of the angle can be realized; and the bending part can be bent in multiple directions by combining with the bending adjusting component.

Example 3

As shown in fig. 7, an adjustable bending bronchoscope includes a bronchoscope body 21 and a bending handle 22, the bronchoscope body 21 includes a detecting tube 2, the detecting tube 2 is a braided tube structure, the detecting tube 2 is fixed in the handle coil 12 of the bending handle 22 in a sleeved manner, and the bending handle 22 adopts the multi-directional bending handle of embodiment 2.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above-mentioned embodiments are preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the scope of the present invention includes but is not limited to the above-mentioned embodiments, and all equivalent variations made according to the shape and structure of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a multidirectional accent curved handle which characterized in that: it includes the handle body, the handle body is equipped with transfers curved subassembly, transfer curved subassembly to include: the probe comprises a first knob, a sleeve, a first bending connecting piece and a second bending connecting piece, wherein the first bending connecting piece and the second bending connecting piece are connected with the far end of a probe tube;

the sleeve is provided with a first through hole and a second through hole, and the first through hole and the second through hole are respectively positioned at two opposite sides of the sleeve; the first knob is further provided with a fixing position, the first bending connecting piece penetrates out of the first through hole and then is connected with the fixing position, and the second bending connecting piece penetrates out of the second through hole and then is connected with the fixing position.

2. The multidirectional bending handle according to claim 1, wherein: the handle body still is equipped with rotating assembly, rotating assembly includes second knob, handle coil and drive mechanism, the handle coil with detecting tube fixed connection, the second knob the handle coil respectively with muffjoint, the second knob pass through drive mechanism with handle coil rotates and is connected.

3. The multidirectional bending handle according to claim 2, wherein: the second knob and the handle coil are connected with the sleeve through a fixing pin.

4. The multidirectional bending handle according to claim 3, wherein: the transmission mechanism is a gear;

the handle coil comprises a fixing part which is fixedly connected with the detection tube; the second knob is sleeved on the outer side of the fixing portion, first teeth are arranged on the outer wall of the fixing portion, second teeth are arranged on the inner wall of the second knob, the gear is rotatably sleeved on the fixing pin, and the gear is meshed with the first teeth and the second teeth respectively.

5. The multidirectional bending handle according to claim 4, wherein: the quantity of fixed pin is 2, is located respectively the both sides that the fixed part is relative, drive mechanism includes two gears, and each gear cover is on a fixed pin, correspond on the fixed pin the gear is equipped with a screens, plays axial fixity the effect of gear.

6. The multidirectional bending handle according to claim 5, wherein: the sleeve is provided with an axially extending pin hole, and one end of the fixing pin is fixed in the pin hole.

7. The multidirectional bending handle according to claim 4, wherein: the gear ratio of the first teeth to the teeth of the first gear on the outer wall of the fixing part is 1:1; the gear ratio of the second teeth to the teeth of the second knob on the inner wall of the second knob is 2:1.

8. The multidirectional bending handle according to claim 4, wherein: and a mark of 0-180 degrees is arranged at the interface of the first knob and the second knob.

9. The multidirectional tuning handle of claim 1~8, wherein: the first curved connector and the second curved connector are both wires.

10. An adjustable bend bronchoscope, comprising: the bronchoscope body and transfer the curved handle, the bronchoscope body includes the probe tube, the probe tube is woven tube structure, the probe tube cup joints and is fixed in transfer curved handle's handle coil, transfer curved handle be according to claim 1~9 arbitrary one the multidirectional transfer curved handle.