CN219661660U - Superfine renal pelvis endoscope catheter - Google Patents

Abstract

The utility model discloses an ultrafine renal pelvis endoscope catheter, and aims to provide an ultrafine renal pelvis endoscope catheter which is easy to use and is not easy to damage a human body. The utility model comprises a fixed bracket, a camera assembly, an optical fiber, an instrument channel tube, a snake bone and an outer tube, wherein a camera hole, an optical fiber hole and an instrument channel hole are formed in the fixed bracket, one end of the camera assembly is arranged in the camera hole, one end of the optical fiber is arranged in the optical fiber hole, one end of the instrument channel tube is arranged in the instrument channel hole, the snake bone is sleeved outside the camera assembly, the optical fiber and the instrument channel tube and fixedly matched with the fixed bracket, the outer tube is sleeved outside the snake bone, the inner diameter range of the instrument channel tube is 1mm to 1.4mm, and the outer diameter size of the superfine renal pelvis endoscope catheter is not more than 2.7mm. The utility model is applied to the technical field of medical instruments.

Description

Superfine renal pelvis endoscope catheter

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an ultrafine renal pelvis endoscope catheter.

Background

The maximum outer diameter of the conventional renal pelvis endoscope catheter reaches 3.4mm, the size is larger, in the process of being inserted into a ureter and a renal pelvis through a urethra to carry out endoscopy or endoscopic operation on the patient ureter and the renal pelvis, if the patient ureter is narrow, the larger-sized renal pelvis endoscope catheter can hardly enter the ureter and the renal pelvis of a human body, the damage to the human body can be caused by strong advancing, at the moment, the patient ureter needs to be expanded in advance, the operation time is too long, the operation can become complicated, and the operation risk can also be increased.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the superfine renal pelvis endoscope catheter which is easy to use and not easy to damage human bodies.

The technical scheme adopted by the utility model is as follows: the utility model comprises a fixed bracket, a camera assembly, an optical fiber, an instrument channel tube, a snake bone and an outer tube, wherein a camera hole, an optical fiber hole and an instrument channel hole are formed in the fixed bracket, one end of the camera assembly is arranged in the camera hole, one end of the optical fiber is arranged in the optical fiber hole, one end of the instrument channel tube is arranged in the instrument channel hole, the snake bone is sleeved outside the camera assembly, the optical fiber and the instrument channel tube and fixedly matched with the fixed bracket, the outer tube is sleeved outside the snake bone, the inner diameter range of the instrument channel tube is 1mm to 1.4mm, and the outer diameter size of the superfine renal pelvis endoscope catheter is not more than 2.7mm.

Further, the outer tube comprises a bending tube and an insertion tube, the snake bone is provided with a bending portion and an insertion portion connected with the bending portion, the bending tube is sleeved outside the bending portion, and the insertion tube is sleeved outside the insertion portion.

Further, the snake bone includes head fixing base and afterbody fixing base, the head fixing base with connect gradually a plurality of snake bone unit between the afterbody fixing base, it is adjacent open there is the bending mouth between the snake bone unit, a plurality of the inside of snake bone unit forms first accommodation channel and second jointly and holds the passageway, camera module optic fibre with the apparatus passageway pipe is located in the first accommodation channel, be provided with the haulage rope in the second accommodation channel.

Further, both sides of the snake bone units are provided with inwards concave grooves, and the grooves form two second accommodating channels.

Further, a step is arranged between the snake bone unit and the tail fixing seat, and the insertion tube is sleeved on the step.

Further, the head fixing seat, the tail fixing seat and the snake bone units are integrally formed.

Further, the instrument channel tube has an inner diameter of 1.2mm.

The beneficial effects of the utility model are as follows:

compared with the defects of the prior art, the utility model can ensure the perfusion amount of normal saline while ensuring the smaller size of the instrument channel tube by arranging the inner diameter range of the instrument channel tube to be 1mm to 1.4mm, and simultaneously ensure the compact structure by arranging the camera component, the optical fiber and the instrument channel tube inside the snake bone and fixing the camera component, the instrument channel tube, the snake bone and the outer tube with the fixed bracket, thereby reducing the sizes of the camera component, the instrument channel tube, the snake bone and the outer tube, and further ensuring that the outer diameter size of the superfine renal pelvis endoscope catheter is not more than 2.7mm.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic perspective view of a fixing bracket and snake bone according to the utility model;

fig. 4 is a schematic plan view of the fixing bracket of the present utility model.

The reference numerals are as follows:

1. a fixed bracket; 2. a camera assembly; 3. an optical fiber; 5. an instrument channel tube; 6. snake bone; 7. an outer tube; 8. a camera hole; 9. an optical fiber hole; 10. an instrument channel aperture; 11. bending the tube; 12. an insertion tube; 13. a head fixing seat; 14. a traction rope; 15. a tail fixing seat; 16. a snake bone unit; 17. a curved port; 20. a groove; 21. a step.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators in the embodiments of the present utility model, such as up, down, left, right, front, rear, clockwise, counterclockwise, etc., are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present utility model.

As shown in fig. 1 to 4, in this embodiment, the utility model includes a fixing bracket 1, a camera assembly 2, an optical fiber 3, an instrument channel tube 5, a snake bone 6 and an outer tube 7, wherein a camera hole 8, an optical fiber hole 9 and an instrument channel hole 10 are formed in the fixing bracket 1, one end of the camera assembly 2 is arranged in the camera hole 8, one end of the optical fiber 3 is arranged in the optical fiber hole 9, one end of the instrument channel tube 5 is arranged in the instrument channel hole 10, the snake bone 6 is sleeved outside the camera assembly 2, the optical fiber 3 and the instrument channel tube 5 and is fixedly matched with the fixing bracket 1, the outer tube 7 is sleeved outside the snake bone 6, the inner diameter range of the instrument channel tube 5 is 1mm to 1.4mm, and the outer diameter of the superfine renal pelvis endoscope catheter is not more than 2.7mm.

The camera assembly 2 adopts an OCHTA10 type camera, the size is 0.65X0.65 mm, and the size is smaller than that of a conventional camera; the inner diameter of the instrument channel tube 5 is preferably 1.2mm.

Compared with the defects of the prior art, in the utility model, through the arrangement that the inner diameter of the instrument channel tube 5 is in the range of 1mm to 1.4mm, the instrument channel tube 5 has smaller size, and simultaneously, the perfusion amount of normal saline can be ensured, meanwhile, the imaging component 2, the optical fiber 3 and the instrument channel tube 5 are arranged inside the snake bone 6 and fixed with the fixed bracket 1, so that the whole structure can be compact, the sizes of the imaging component 2, the instrument channel tube 5, the snake bone 6 and the outer tube 7 are reduced, and the outer diameter size of the superfine renal pelvis endoscope catheter is not more than 2.7mm, therefore, the utility model can solve the problem that the maximum outer diameter of the renal pelvis endoscope catheter is larger, so that the renal pelvis endoscope catheter is difficult to enter a human ureter and a renal pelvis, simplify the operation process and reduce the operation risk, and the utility model has the advantages of easy use and difficult damage to the human body.

In some embodiments, the outer tube 7 includes a bending tube 11 and an insertion tube 12, the snake bone 6 has a bending portion and an insertion portion connected to the bending portion, the bending tube 11 is sleeved outside the bending portion, and the insertion tube 12 is sleeved outside the insertion portion. Specifically, the bending tube 11 is made of rubber, and can be bent along with bending of the snake bone 6.

In some embodiments, the snake bone 6 includes a head fixing seat 13 and a tail fixing seat 15, a plurality of snake bone units 16 are sequentially connected between the head fixing seat 13 and the tail fixing seat 15, a bending opening 17 is formed between the adjacent snake bone units 16, a first accommodating channel and a second accommodating channel are jointly formed in the interior of the plurality of snake bone units 16, the camera assembly 2, the optical fiber 3 and the instrument channel tube 5 are located in the first accommodating channel, and a traction rope 14 is arranged in the second accommodating channel. In particular, the snake bone 6 can be easily bent by the provision of the bending port 17, wherein the bending port 17 may have a certain angle.

In some embodiments, two sides of the snake bone units 16 are provided with concave grooves 20, and the grooves 20 form two second accommodating channels.

In some embodiments, a step 21 is provided between the snake bone unit 16 and the tail fixing base 15, and the insertion tube 12 is sleeved on the step 21. Specifically, the insertion tube 12 can be positioned on the step 21 by the provision of the step 21.

In some embodiments, the head holder 13, the tail holder 15, and the plurality of snake bone units 16 are integrally formed.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (7)

1. An ultra-fine renal pelvis endoscope catheter, characterized in that: the device comprises a fixed support (1), a camera shooting assembly (2), an optical fiber (3), an instrument channel tube (5), a snake bone (6) and an outer tube (7), wherein a camera shooting hole (8), an optical fiber hole (9) and an instrument channel hole (10) are formed in the fixed support (1), one end of the camera shooting assembly (2) is arranged in the camera shooting hole (8), one end of the optical fiber (3) is arranged in the optical fiber hole (9), one end of the instrument channel tube (5) is arranged in the instrument channel hole (10), the snake bone (6) is sleeved on the outer portion of the camera shooting assembly (2), the optical fiber (3) and the instrument channel tube (5), and is fixedly matched with the fixed support (1), the outer tube (7) is sleeved on the outer portion of the snake bone (6), the inner diameter range of the instrument channel tube (5) is 1mm to 1.4mm, and the outer diameter of the superfine renal pelvis endoscope catheter is not more than 2.7mm.

2. An ultra-fine renal pelvis endoscope catheter as in claim 1, wherein: the outer tube (7) comprises a bending tube (11) and an inserting tube (12), the snake bone (6) is provided with a bending part and an inserting part connected with the bending part, the bending tube (11) is sleeved outside the bending part, and the inserting tube (12) is sleeved outside the inserting part.

3. An ultra-fine renal pelvis endoscope catheter as in claim 2, wherein: the snake bone (6) comprises a head fixing seat (13) and a tail fixing seat (15), a plurality of snake bone units (16) are sequentially connected between the head fixing seat (13) and the tail fixing seat (15), a bending port (17) is formed between the adjacent snake bone units (16), a plurality of first accommodating channels and second accommodating channels are formed in the snake bone units (16), the camera shooting assembly (2), the optical fiber (3) and the instrument channel tube (5) are located in the first accommodating channels, and a traction rope (14) is arranged in the second accommodating channels.

4. An ultra-fine renal pelvis endoscope catheter as in claim 3, wherein: both sides of the snake bone units (16) are provided with inwards concave grooves (20), and the grooves (20) form two second accommodating channels.

5. An ultra-fine renal pelvis endoscope catheter as in claim 4, wherein: a step (21) is arranged between the snake bone unit (16) and the tail fixing seat (15), and the insertion tube (12) is sleeved on the step (21).

6. An ultra-fine renal pelvis endoscope catheter according to any one of claims 3-5, wherein: the head fixing seat (13), the tail fixing seat (15) and the snake bone units (16) are integrally formed.

7. An ultra-fine renal pelvis endoscope catheter as in claim 1, wherein: the inner diameter of the instrument channel tube (5) is 1.2mm.