CN114099059A - Tracheal stent adjuster - Google Patents

Abstract

Translated fromChinese

本发明提供了一种气管支架调节器，包括牵引手柄和牵引头；牵引手柄包括手柄框架、牵引钢丝和推拉钮；牵引头包括壳体，壳体的内腔中上下滑动的设置有牵引钢条，牵引钢丝的下端从与牵引钢条的上部固定连接；牵引钢条的横截面为正方形且其四个面上各固设有一个牵引齿条；壳体的周壁上且呈十字形分布开设有四个长条形的通孔；壳体的内腔中且在对应于每个通孔上端的位置分别转动设置有一个牵引齿轮，每个牵引齿轮分别与一个牵引齿条相啮合；每个牵引齿轮的一侧固设有钩爪，该钩爪随着该牵引齿轮的转动可在该通孔中上下摆动。本发明能够实现在普通软式支气管镜引导下完成硅酮气管支架的上下调整，降低手术级别，避免使用硬质支气管镜带来的相关并发症。

The invention provides a tracheal bracket adjuster, comprising a traction handle and a traction head; the traction handle includes a handle frame, a traction wire and a push-pull button; the traction head includes a casing, and a traction steel bar is arranged in the inner cavity of the casing to slide up and down , the lower end of the traction steel wire is fixedly connected with the upper part of the traction steel bar; the cross section of the traction steel bar is square and a traction rack is fixed on each of its four surfaces; Four elongated through holes; a traction gear is respectively rotatably arranged in the inner cavity of the casing and at a position corresponding to the upper end of each through hole, and each traction gear is respectively meshed with a traction rack; each traction A hook is fixed on one side of the gear, and the hook can swing up and down in the through hole with the rotation of the traction gear. The invention can realize the up and down adjustment of the silicone tracheal stent under the guidance of a common flexible bronchoscope, reduce the operation level, and avoid the related complications caused by the use of a rigid bronchoscope.

Description

Tracheal stent regulator

Technical Field

The invention relates to the technical field of medical equipment, in particular to a tracheal stent regulator.

Background

The best support selection used in the aspect of treating benign airway stenosis at present is a silicone tracheal support, and referring to 'respiratory endoscope diagnosis and treatment technology clinical application management specification' (2019 edition), the silicone tracheal support implantation technology must be placed under the condition that a hard bronchoscope diagnosis and treatment technology is combined with a soft bronchoscope diagnosis and treatment technology, and the silicone tracheal support implantation technology belongs to four-level operation management contents.

The placement of the silicone tracheal stent needs to select a hard bronchoscope with a thicker diameter, the placement of the silicone tracheal stent needs general anesthesia firstly, and the selection of an anesthesiologist is full-time; and secondly, related complications, transient hypoxemia, vocal cords and peripheral mucosa injury, exposed keratitis, damaged airway wall structure and damaged flexible bronchoscope skin exist when the hard bronchoscope is used, and the postoperative rechecking frequency is increased because the hard paper occasionally generates mechanical injury to the airway due to thick tube diameter. And two translocation events occur following the gradual remodeling of the airway following the placement of a silicone tracheal stent: firstly, the narrow area of the airway is reduced (the collapse is not excluded) so that the stent is displaced; secondly, the patient can also cause the stent to shift due to severe cough, and the stent adjustment is carried out by adopting the initial four-stage operation mode again no matter which mode of shift occurs.

Disclosure of Invention

The invention aims to solve the technical problem of providing a tracheal stent regulator aiming at the defects of the prior art, so as to realize the up-and-down adjustment of a silicone tracheal stent under the guidance of a common soft bronchoscope, reduce the operation level and avoid related complications caused by using a hard bronchoscope.

In order to solve the above technical problems, the present invention comprises:

a tracheal stent regulator comprises a traction handle and a traction head; the traction handle comprises a tubular handle frame, a traction steel wire arranged in the handle frame in a vertically sliding manner, a push-pull button fixedly connected with the upper end of the traction steel wire and arranged in a track on the handle frame in an axial sliding manner, and a locking knob rotatably arranged on the handle frame; the traction head comprises a hollow cylindrical shell, and a hard rubber hose is fixedly inserted into an upper port of the shell; a traction steel bar is arranged in the inner cavity of the shell in a vertically sliding manner, and the lower end of the traction steel wire extends out of a lower pipe opening of the handle frame, penetrates through the hard rubber hose and is fixedly connected with the upper part of the traction steel bar; the cross section of the traction steel bar is square, and four surfaces of the traction steel bar are respectively and fixedly provided with a traction rack; four strip-shaped through holes are distributed on the peripheral wall of the shell in a cross shape, and each through hole is formed along the axial direction of the shell; a traction gear is rotatably arranged in the inner cavity of the shell and at a position corresponding to the upper end of each through hole through a gear shaft respectively, and each traction gear is meshed with one traction rack respectively; each traction gear is fixedly provided with a claw at one side close to the corresponding through hole of the traction gear, and the claw can swing up and down in the through hole along with the rotation of the traction gear.

Further, the upper portion of the handle frame is cylindrical and the lower end is conical.

Further, the locking knob is disposed along a radial direction of the handle frame.

Furthermore, a long-strip-shaped rail hole is formed in the handle frame along the axial direction of the handle frame, and the rail is embedded in the rail hole.

Further, the inner diameter of the hard rubber hose is equal to or slightly larger than the diameter of the traction steel wire.

Furthermore, a plurality of through vent holes are formed in the peripheral wall of the shell along the axial direction of the shell.

Furthermore, four surfaces of the traction steel bars are respectively opposite to the four through holes one by one.

Furthermore, the four gear shafts are all located in the same plane perpendicular to the axial direction of the shell.

The invention has the beneficial effects that:

the tracheal stent regulator can realize the up-and-down adjustment of the silicone tracheal stent under the guidance of a common soft bronchoscope, can realize the fast, accurate and stable adjustment of the tracheal stent, not only reduces the operation level, avoids related complications caused by using a hard bronchoscope, but also reduces the operation risk and operation cost of a patient, and saves medical resources, manpower and material resources.

Drawings

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

FIG. 2 is a schematic structural view of the towing handle of the present invention;

FIG. 3 is a schematic view of the construction of the tractor according to the invention;

FIG. 4 is a schematic view of the internal structure of the traction head of the present invention;

FIG. 5 is a state diagram of the use of the present invention;

in the figure: 1. the traction device comprises a traction handle, 1-1 parts of a push-pull button, 1-2 parts of a locking knob, 1-3 parts of a handle frame, 1-4 parts of a traction steel wire, 2 parts of a hard rubber hose, 3 parts of a traction head, 3-1 parts of a shell, 3-2 parts of a vent, 3-3 parts of a claw, 3-4 parts of a traction steel bar, 3-5 parts of a traction rack, 3-6 parts of a traction gear, 3-7 parts of a gear shaft.

Detailed Description

For the purpose of promoting an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.

As shown in fig. 1-4, the invention provides a tracheal stent regulator, which comprises a traction handle 1 and a traction head 3; the traction handle 1 comprises a tubular handle frame 1-3, a traction steel wire 1-4 arranged in the handle frame 1-3 in a vertical sliding manner, a push-pull button 1-1 fixedly connected with the upper end of the traction steel wire 1-4 and arranged in a track on the handle frame 1-3 in an axial sliding manner, and a locking knob 1-3 rotationally arranged on the handle frame 1-3; the traction head 3 comprises a hollow cylindrical shell 3-1, and a hard rubber hose 2 is fixedly inserted on the upper port of the shell 3-1; a traction steel bar 3-4 is arranged in the inner cavity of the shell 3-1 in a vertically sliding manner, and the lower end of the traction steel wire 1-4 extends out of the lower pipe orifice of the handle frame 1-3, passes through the hard rubber hose 2 and is fixedly connected with the upper part of the traction steel bar 3-4; the cross section of the traction steel bar 3-4 is square, and four surfaces of the traction steel bar 3-4 are respectively and fixedly provided with a traction rack 3-5; four strip-shaped through holes are distributed on the peripheral wall of the shell 3-1 in a cross shape, and each through hole is formed along the axial direction of the shell 3-1; four surfaces of the traction steel bars 3-4 are respectively opposite to the four through holes one by one. A traction gear 3-6 is rotatably arranged in the inner cavity of the shell 3-1 and at a position corresponding to the upper end of each through hole through a gear shaft 3-7 respectively, the four gear shafts 3-7 are all positioned in the same plane vertical to the axial direction of the shell 3-1, and each traction gear 3-6 is meshed with one traction rack 3-5 respectively; each traction gear 3-6 is fixedly provided with a hook 3-3 at a side close to its corresponding through hole, and the hook 3-3 can swing up and down in the through hole along with the rotation of the traction gear 3-6.

The upper part of the handle frame 1-3 is cylindrical, the lower end of the handle frame 1-3 is conical, the locking knob 1-3 is arranged along the radial direction of the handle frame 1-3, the handle frame 1-3 is provided with a long strip-shaped track hole along the axial direction of the handle frame, and the track is embedded in the track hole. The push-pull button 1-1 is pushed and pulled up and down along the track, so that the traction steel wire 1-4 can slide up and down, and the traction steel wire 1-4 can be extruded by rotating the locking knob 1-2, thereby achieving the purpose of locking.

The inner diameter of thehard rubber hose 2 is equal to or slightly larger than the diameter of the traction wire 1-4. The traction steel wires 1-4 can just slide in thehard rubber tube 2, and the traction steel wires 1-4 are ensured not to be bent additionally in the whole sliding process.

A plurality of through vent holes 3-2 are formed in the peripheral wall of the shell 3-1 along the axial direction, and the vent holes 3-2 are uniformly distributed along the circumferential direction of the shell 3-1. The vent hole 3-2 can prevent thetraction head 3 from blocking the air passage after entering the trachea so as to influence the normal breathing of the patient. A wire guide opening is also arranged between the two connected vent holes 3-2.

The traction gear 3-6 rotates with the gear shaft 3-7 as the axis. The four traction gears 3-6 can synchronously rotate under the action of the vertical sliding of the traction steel bars 3-4, and then the four hooks 3-3 synchronously swing up and down in the corresponding through holes. The through hole is sized such that the finger 3-3 is fully received therein.

As shown in fig. 5, the push-pull button 1-1 is pushed upwards to drive the traction steel wire 1-4, the traction steel bar 3-4 and the traction rack 3-5 to move upwards at the same time, and the upward movement of the traction rack 3-5 drives the traction gear 3-6 to rotate, so that the claw 3-3 fixed on the traction gear 3-6 is tightened in the through hole, and at this time, thetraction head 3 can be sent to the operation site through the guide wire, and then the next operation is carried out. The push-pull button 1-1 is pushed downwards to drive the traction steel wire 1-4, the traction steel bar 3-4 and the traction rack 3-5 move downwards simultaneously, the downward movement of the traction rack 3-5 can drive the traction gear 3-6 to rotate, so that the claw 3-3 fixed on the traction gear 3-6 is unfolded towards the through hole, and after the claw 3-3 is completely unfolded, the locking knob 1-3 is rotated to lock the traction steel wire 1-4, so that the claw 3-3 is fixed, and at the moment, the claw 3-3 can be put on the edge of the bracket to be pushed or pulled to change the position of the bracket.

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 (8)

Translated fromChinese

1.一种气管支架调节器，其特征在于：包括牵引手柄(1)和牵引头(3)；所述牵引手柄(1)包括管状的手柄框架(1-3)、上下滑动的设置在手柄框架(1-3)中的牵引钢丝(1-4)、与牵引钢丝(1-4)的上端固定连接且沿轴向滑动设置在手柄框架(1-3)上的轨道中的推拉钮(1-1)以及转动设置在手柄框架(1-3)上的锁紧旋钮(1-3)；所述牵引头(3)包括空心圆柱状的壳体(3-1)，并且壳体(3-1)的上端口上固定插设有硬质橡胶软管(2)；所述壳体(3-1)的内腔中上下滑动的设置有牵引钢条(3-4)，所述牵引钢丝(1-4)的下端从手柄框架(1-3)的下管口中伸出、再穿过硬质橡胶软管(2)后与牵引钢条(3-4)的上部固定连接；所述牵引钢条(3-4)的横截面为正方形，并且牵引钢条(3-4)的四个面上各固定设置有一个牵引齿条(3-5)；所述壳体(3-1)的周壁上且呈十字形分布开设有四个长条形的通孔，并且每个通孔均沿着壳体(3-1)的轴向开设；所述壳体(3-1)的内腔中且在对应于每个通孔上端的位置分别通过一个齿轮轴(3-7)转动设置有一个牵引齿轮(3-6)，并且每个牵引齿轮(3-6)分别与一个牵引齿条(3-5)相啮合；每个所述牵引齿轮(3-6)在靠近其相应通孔的一侧固定设置有一个钩爪(3-3)，并且该钩爪(3-3)随着该牵引齿轮(3-6)的转动可在该通孔中上下摆动。1. A tracheal support adjuster, characterized in that: comprising a traction handle (1) and a traction head (3); the traction handle (1) comprises a tubular handle frame (1-3), and the up and down sliding is arranged on the handle The traction wire (1-4) in the frame (1-3), the push-pull button ( 1-1) and rotating the locking knob (1-3) arranged on the handle frame (1-3); the traction head (3) comprises a hollow cylindrical shell (3-1), and the shell ( A hard rubber hose (2) is fixedly inserted on the upper port of 3-1); traction steel bars (3-4) are arranged in the inner cavity of the casing (3-1) to slide up and down, and the The lower end of the traction steel wire (1-4) protrudes from the lower nozzle of the handle frame (1-3), passes through the hard rubber hose (2), and is fixedly connected with the upper part of the traction steel rod (3-4); The cross section of the traction steel bar (3-4) is square, and a traction rack (3-5) is fixedly arranged on each of the four surfaces of the traction steel bar (3-4); the housing (3) -1) Four elongated through holes are opened on the peripheral wall in a cross-shaped distribution, and each through hole is opened along the axial direction of the casing (3-1); the casing (3-1) ) and at a position corresponding to the upper end of each through hole, a traction gear (3-6) is rotated through a gear shaft (3-7), and each traction gear (3-6) is respectively connected with A traction rack (3-5) meshes with each other; each traction gear (3-6) is fixedly provided with a hook (3-3) on a side close to its corresponding through hole, and the hook (3) -3) With the rotation of the traction gear (3-6), it can swing up and down in the through hole.2.根据权利要求1所述的气管支架调节器，其特征在于：所述手柄框架(1-3)的上部为圆柱形且下端为圆锥形。2 . The tracheal stent adjuster according to claim 1 , wherein the upper part of the handle frame ( 1 - 3 ) is cylindrical and the lower end is conical. 3 .3.根据权利要求1所述的气管支架调节器，其特征在于：所述锁紧旋钮(1-3)沿着手柄框架(1-3)的径向设置。3. The tracheal stent adjuster according to claim 1, wherein the locking knob (1-3) is arranged along the radial direction of the handle frame (1-3).4.根据权利要求1所述的气管支架调节器，其特征在于：所述手柄框架(1-3)上且沿其轴向开设有长条形的轨道孔，所述轨道内嵌于该轨道孔中。4 . The tracheal support adjuster according to claim 1 , wherein the handle frame ( 1 - 3 ) is provided with an elongated track hole along its axial direction, and the track is embedded in the track. 5 . in the hole.5.根据权利要求1所述的气管支架调节器，其特征在于：所述硬质橡胶软管(2)的内径等于或略大于牵引钢丝(1-4)的直径。5. The tracheal stent adjuster according to claim 1, wherein the inner diameter of the hard rubber hose (2) is equal to or slightly larger than the diameter of the traction wires (1-4).6.根据权利要求1所述的气管支架调节器，其特征在于：所述壳体(3-1)的周壁中且沿其轴向开设有多个上下通透的通气孔(3-2)。6. The tracheal support regulator according to claim 1, wherein a plurality of upper and lower ventilation holes (3-2) are opened in the peripheral wall of the casing (3-1) and along its axial direction .7.根据权利要求1所述的气管支架调节器，其特征在于：所述牵引钢条(3-4)的四个面分别与四个通孔一一正对。7 . The tracheal support adjuster according to claim 1 , wherein the four surfaces of the traction steel bars ( 3 - 4 ) face the four through holes one by one, respectively. 8 .8.根据权利要求1所述的气管支架调节器，其特征在于：四个所述齿轮轴(3-7)均位于垂直于壳体(3-1)轴向的同一个平面内。8. The tracheal support adjuster according to claim 1, wherein the four gear shafts (3-7) are all located in the same plane perpendicular to the axial direction of the casing (3-1).

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