CN213642766U

CN213642766U - Flexible developing expander

Info

Publication number: CN213642766U
Application number: CN202022235974.1U
Authority: CN
Inventors: 郑雪凯
Original assignee: Haisheng Medical Technology Ningbo Co ltd
Current assignee: Haisheng Medical Technology Ningbo Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-09
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a flexible expander that develops, including connector, setting at the inside expansion body of connector and fixing the development strip in the expansion body outside, connector inside is fixed with the drive arrangement that can drive the motion of expansion body, this flexible expander that develops, drive arrangement through setting up can drive the expansion body at patient's internal stability removal at the uniform velocity to can improve patient's comfort level when the operation, avoid the expansion body to enter into the internal depths of patient doctor of patient and use violently hard when the operation, to bringing the discomfort for the patient and aggravating patient's uneasiness, the result of use is not good, and the device is when using, can also slightly change the diameter of expansion body, thereby can make the better smooth and easy of expansion body patient's internal motion simultaneously, increase patient's comfort level.

Description

Flexible developing expander

Technical Field

The utility model relates to a development expander technical field specifically is a flexible development expander.

Background

The dilator makes a medical instrument for dilating a puncture position or a catheter channel, and in the percutaneous nephroscope lithotripsy stone extraction operation, the main application is to be used for establishing inside a channel which can be placed into a nephroscope and an instrument, so that the operation can be carried out with a weight protection function, and at present, in order to more conveniently dilate the body of a patient, a developing device can be fixed on the dilator, so that the more accurate control of medical staff can be realized, and the use effect is better.

However, when the current developing dilator is used, the medical staff controls the developing dilator to move in the body of the patient, so that when the developing dilator moves in the body of the patient and the distance from the dilator to the deep inside of the patient, a doctor cannot well control the uniform motion of the dilator in the body of the patient, and when the medical staff is too hard, the patient may be disturbed, and the body of the patient may be damaged. To this end, we propose a flexible developer dilator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible development expander that can satisfy when using at every turn and carry out accurate expansion demand to patient's health has to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible development expander, includes the connector, sets up at the inside expansion body of connector and fixes the development strip in the expansion body outside, connector inside is fixed with the drive arrangement that can drive the motion of expansion body.

Preferably, drive arrangement is including fixing the inside motor box of connector, motor box inside is fixed with driving motor, and the driving motor output wears out the motor box and is fixed with the lead screw, the driving motor output rotates with the motor box to be connected, lead screw outside screw thread cup joints the movable block, and is fixed with the locating plate outside the movable block, the connector inner wall is equipped with the constant head tank with locating plate outside sliding connection, the movable block outside is through screw thread and expansion body one end threaded connection, and the expansion body is located the locating plate bottom, expansion body inside is fixed with the auxiliary member that enables the expansion body to take place certain deformation, realizes driving expansion body steady motion.

Preferably, the auxiliary member is including fixing the support frame on expanding the body inner wall, be fixed with four telescopic cylinder on the support frame, and telescopic cylinder one end all rotates with the support frame through the round pin axle and is connected, the telescopic cylinder other end rotates through the round pin axle and is connected with articulated piece, and articulated piece is fixed at expanding the body inner wall, realizes changing the diameter of the formation of expansion body.

Preferably, be equipped with the spread groove with outside intercommunication on the constant head tank, and spread groove inside sliding connection has the pole of marking, mark pole and locating plate one end fixed connection, the connector outside is fixed with and marks the scale that the pole corresponds, the inside motion path of observation expansion body at patient's health that can be better.

Preferably, the material of the expansion pipe body is a material capable of generating certain deformation, so that the shape of the expansion pipe body can be slightly changed.

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

the utility model discloses equipment is when beginning to use, can drive the expansion body at patient's internal stability removal at the uniform velocity through the drive arrangement who sets up, thereby can improve the comfort level of patient when the operation, avoid the expansion body to enter into the internal depths of patient doctor too fiercely hard when the operation, to bringing the discomfort for the patient and aggravating patient's uneasiness, the result of use is not good, and the device is when using, can also slightly change the diameter of expansion body, thereby can make the better smooth and easy of expansion body patient's internal motion simultaneously, increase patient's comfort level.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is a schematic view of a part a of the structure of fig. 2 of the present invention;

fig. 5 is a schematic view of a part B of the structure diagram of the present invention 2.

In the figure: 1-a connector; 2-expanding the pipe body; 3-developing strip; 4-a drive device; 5-a motor box; 6-driving a motor; 7-a screw rod; 8-moving block; 9-positioning plate; 10-positioning grooves; 11-an auxiliary element; 12-a support frame; 13-a telescopic cylinder; 14-a hinged block; 15-connecting grooves; 16-marking the pole; 17-graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a flexible developing expander comprises a connector 1, an expanding pipe body 2 arranged inside the connector 1 and a developing strip 3 fixed on the outer side of the expanding pipe body 2, wherein a driving device 4 capable of driving the expanding pipe body 2 to move is fixed inside the connector 1, the expanding pipe body 2 is made of a material capable of generating certain deformation, but the expansion effect of the expanding pipe body is not influenced by the deformation which can be generated, meanwhile, the expanding pipe body 2 is divided into three sections, the angles formed by the three sections are different, and the position angle of the month close to the connector 1 is larger;

when the device began to use, the doctor took connector 1 and expansion body 2 to expand patient's is internal, when moving certain degree of depth staff and hold the condition of not good application of force to connector 1 and expansion body 2, opening drive arrangement 4, drive arrangement 4 can drive expansion body 2 at patient's internal motion at the uniform velocity with certain speed to can realize expanding patient's is internal.

The driving device 4 comprises a motor box 5 fixed inside the connector 1, a driving motor 6 is fixed inside the motor box 5, a lead screw 7 is fixed at the output end of the driving motor 6 penetrating out of the motor box 5, the output end of the driving motor 6 is rotatably connected with the motor box 5, a moving block 8 is sleeved on the outer side of the lead screw 7 in a threaded manner, a positioning plate 9 is fixed on the outer side of the moving block 8, a positioning groove 10 which is slidably connected with the outer side of the positioning plate 9 is arranged on the inner wall of the connector 1, the outer side of the moving block 8 is in threaded connection with one end of the expansion pipe body 2 through threads, the expansion pipe body 2 is positioned at the bottom of the positioning plate 9, and;

open driving motor 6, driving motor 6 drives lead screw 7 and rotates, and lead screw 7 drives movable block 8 and moves on lead screw 7, and movable block 8 drives locating plate 9 and moves in constant head tank 10 is inside to can make the more stable motion of movable block 8, the movable block 8 drives the direction motion of expansion body 2 along lead screw 7 simultaneously, thereby can expand body 2 and can realize the motion expansion at the internal stability uniform velocity of patient.

The auxiliary part 11 comprises a support frame 12 fixed on the inner wall of the expansion pipe body 2, four telescopic cylinders 13 are fixed on the support frame 12, one ends of the telescopic cylinders 13 are rotatably connected with the support frame 12 through pin shafts, the other ends of the telescopic cylinders 13 are rotatably connected with a hinge block 14 through pin shafts, the hinge block 14 is fixed on the inner wall of the expansion pipe body 2, and the output ends of the four telescopic cylinders 13 are respectively connected with two ends of the expansion pipe body 2 at different angles;

when the expansion pipe body 2 is in the internal motion of patient and is not smooth and easy to cause the misery for the patient, open telescopic cylinder 13, telescopic cylinder 13's motion drives the inner wall that expands pipe body 2 and takes place certain deformation, and the both ends that expand pipe body 2 simultaneously take place to rotate with support frame 12 and articulated piece 14 respectively to can realize changing the diameter that expands pipe body 2, thereby make the more smooth and easy of expansion pipe body 2 at the internal expansion of patient.

Be equipped with the spread groove 15 with outside intercommunication on the constant head tank 10, and spread groove 15 inside sliding connection has marking pole 16, marks pole 16 and locating plate 9 one end fixed connection, and the connector 1 outside is fixed with the scale 17 that corresponds with marking pole 16, and the motion of locating plate 9 drives marking pole 16 and removes in constant head tank 10 is inside.

The material of the expansion pipe body 2 is a material capable of generating certain deformation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible development expander, includes connector (1), sets up at inside expansion body (2) of connector (1) and fixes development strip (3) in the expansion body (2) outside, its characterized in that: and a driving device (4) capable of driving the expansion pipe body (2) to move is fixed in the connector (1).

2. A flexible developer spreader according to claim 1, wherein: the driving device (4) comprises a motor box (5) fixed inside the connector (1), a driving motor (6) is fixed inside the motor box (5), the output end of the driving motor (6) penetrates through the motor box (5) to be fixed with a screw rod (7), the output end of the driving motor (6) is rotationally connected with the motor box (5), the outer side of the screw rod (7) is sleeved with a moving block (8) in a threaded manner, a positioning plate (9) is fixed on the outer side of the moving block (8), a positioning groove (10) which is connected with the outer side of the positioning plate (9) in a sliding way is arranged on the inner wall of the connector (1), the outer side of the moving block (8) is in threaded connection with one end of the expanding pipe body (2) through threads, and the expansion pipe body (2) is positioned at the bottom of the positioning plate (9), and an auxiliary piece (11) which can enable the expansion pipe body (2) to deform to a certain extent is fixed inside the expansion pipe body (2).

3. A flexible developer spreader according to claim 2, wherein: auxiliary member (11) are including fixing support frame (12) on expansion body (2) inner wall, be fixed with four telescopic cylinder (13) on support frame (12), and telescopic cylinder (13) one end all rotates with support frame (12) through the round pin axle and is connected, telescopic cylinder (13) other end rotates through the round pin axle and is connected with articulated piece (14), and articulated piece (14) are fixed at expansion body (2) inner wall.

4. A flexible developer spreader according to claim 2, wherein: be equipped with on constant head tank (10) spread groove (15) with outside intercommunication, and spread groove (15) inside sliding connection has and marks pole (16), mark pole (16) and locating plate (9) one end fixed connection, connector (1) outside is fixed with and marks scale (17) that pole (16) correspond.

5. A flexible developer spreader according to claim 1, wherein: the material of the expansion pipe body (2) is a material capable of generating certain deformation.