CN115399931B

CN115399931B - Support conveyor handle

Info

Publication number: CN115399931B
Application number: CN202211341518.2A
Authority: CN
Inventors: 朱明哲; 董永贺; 刘颖
Original assignee: Beijing Huamai Taike Medical Instrument Co ltd
Current assignee: Beijing Huamai Taike Medical Instrument Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2042-10-31
Also published as: CN115399931A

Abstract

The invention provides a handle of a bracket conveyor, which relates to the technical field of medical instruments and comprises: the device comprises a shell, a guide sleeve, a threaded connecting piece and a limiting piece; the threaded connecting piece is connected with the shell in a sliding way; the guide sleeve is sleeved on the shell and matched with the threaded connecting piece; the limiting piece is arranged on the shell and has a locking state and an unlocking state; in a locking state, the limiting part locks the guide sleeve to prevent the guide sleeve from moving reversely relative to the shell to release and convey the threaded connecting piece; under the unlocking state, the limiting part is arranged on the guide sleeve in a yielding way, so that the guide sleeve has a return movable allowance relative to the shell. The handle of the bracket conveyor has the functions of slow release and quick release, can realize the complete reset of the threaded connecting piece without a rotary guide sleeve in a reverse sliding guide sleeve mode, is more convenient to recover the outer tube, and is convenient to sense whether the threaded connecting piece is completely reset.

Description

Support conveyor handle

Technical Field

The invention relates to the technical field of medical instruments, in particular to a handle of a support conveyor.

Background

When the handle of the bracket conveyor is slowly released, the guide sleeve needs to be rotated, and the guide sleeve drives the threaded connecting piece through thread matching under the condition that the guide sleeve is axially fixed relative to the shell, so that the threaded connecting piece and the outer pipe slowly move. After the slow release, the axial limit of the guide sleeve is released, and the guide sleeve is operated to slide along the shell, so that the quick release is realized. Because the slow release process can make threaded connection spare move for the guide sleeve axial, after quick release is accomplished, the operation guide sleeve returns the position and can't realize that threaded connection spare resets completely, needs to circle round and lead and move the cover in order to realize that threaded connection spare resets, has increased the operation degree of difficulty, and produces the maloperation easily.

Disclosure of Invention

The invention aims to provide a support conveyor handle to solve the technical problem that the existing support conveyor handle is inconvenient to operate.

In a first aspect, the present invention provides a stent feeder handle comprising: the device comprises a shell, a guide sleeve, a threaded connecting piece and a limiting piece;

the threaded connector is slidably connected to the housing;

the guide sleeve is sleeved on the shell and matched with the threaded connecting piece;

the limiting piece is arranged on the shell and has a locking state and an unlocking state;

in the locked state, the limiting member locks the guide sleeve to prevent the guide sleeve from moving reversely relative to the housing to release the delivery to the threaded connector;

under the unlocking state, the limiting part gives way to the guide sleeve, so that the guide sleeve has a return movable allowance relative to the shell.

With reference to the first aspect, the present disclosure provides a first possible implementation manner of the first aspect, wherein the housing is provided with a sliding groove;

the threaded connecting piece is provided with a limiting bulge and a sliding block bulge, and the limiting bulge and the sliding block bulge are arranged at intervals along the sliding groove and respectively slide in the sliding groove;

the sliding block protrusion is connected with a threaded portion, and the threaded portion is matched with the guide sleeve.

With reference to the first aspect, the present disclosure provides a second possible implementation manner of the first aspect, wherein the limiting member includes an elastic buckle, and the elastic buckle is detachably connected to the housing;

in the locking state, the elastic buckle is clamped between the shell and the guide sleeve;

under the unlocking state, the elastic buckle is detached from the shell so as to be positioned on the guide sleeve.

With reference to the second possible implementation manner of the first aspect, the invention provides a third possible implementation manner of the first aspect, wherein the elastic buckle is provided with a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are arranged at an interval, the first clamping portion is adapted to the guide sleeve, and the second clamping portion is adapted to the outer shell.

With reference to the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the limiting member is movably connected to the housing, and the limiting member has a first station and a second station;

when the limiting part is positioned at the first station, the limiting part in a locking state locks the guide sleeve;

when the limiting part is located at the second station, the limiting part is placed in the guide sleeve.

With reference to the fourth possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the limiting member includes a snap device;

the snap device includes: the safety buckle comprises a safety buckle shell, a first elastic claw, a second elastic claw and a release piece;

the safety buckle shell is sleeved on the shell, and the first elastic clamping jaw and the second elastic clamping jaw are respectively and movably connected to the safety buckle shell;

the release piece is arranged on the safety buckle shell, and the first elastic claw and the second elastic claw are respectively in transmission connection with the release piece.

With reference to the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the limiting member includes a first lock insert, and the first lock insert includes: a first patch part and a first handheld part connected with the first patch part;

the first plug part is inserted into and penetrates through the shell, and the first plug part is matched with the guide sleeve.

With reference to the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the limiting member includes a sleeve device;

the lock sleeve device comprises: the lock sleeve is connected to the shell, an abdicating gap is formed between the lock sleeve and the shell, and the second lock plug-in is connected to the lock sleeve in a sliding mode;

in the locking state, the second lock plug-in passes through the abdicating gap and is clamped in the guide sleeve;

under the unlocking state, the second lock plug-in components break away from the guide sleeve, and the guide sleeve which returns is inserted in the abdicating gap.

With reference to the seventh possible implementation manner of the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the plate portion is provided with a convex tooth portion.

With reference to the first aspect, the present invention provides a ninth possible implementation manner of the first aspect, wherein the housing is provided with a first card slot adapted to the position-limiting member; the guide sleeve is provided with a second clamping groove matched with the limiting part.

The embodiment of the invention has the following beneficial effects: adopt threaded connection spare sliding connection in shell, it locates on the shell to lead movable sleeve cover, and lead movable sleeve cooperation in threaded connection spare, the locating part is installed in the shell, and the locating part has lock status and unblock state, the cover is led to the locking of locating part under the lock status, in order to prevent to lead movable sleeve to the reverse movement of threaded connection spare release transport for the shell, the cover is led to the yielding of locating part under the unblock state, so that it has return activity allowance for the shell to lead movable sleeve, and then need not to circle round and lead movable sleeve, can lead the complete reset that threaded connection spare was realized to the mode of movable sleeve through the reverse slip, it is more convenient to operate.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a first stent transporter handle provided in accordance with an embodiment of the present invention in a locked state;

FIG. 2 is a schematic view of a first type of stent transporter handle provided in an unlocked state according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a state of use of a first type of support conveyer handle according to the embodiment of the present invention;

FIG. 4 is a schematic view of a first stent transporter handle according to an embodiment of the present invention with the guide sleeve in place;

FIG. 5 is a schematic view of a first bracket feeder handle spring clip according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a first type of support carrier handle provided in accordance with an embodiment of the present invention with the resilient latch removed;

FIG. 7 is a cross-sectional view of a second type of support carrier handle provided by an embodiment of the invention;

FIG. 8 is an enlarged partial view of a handle of a second type of stent transporter provided in accordance with an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a third support feeder handle provided by an embodiment of the present invention;

FIG. 10 is an exploded view of a third support feeder handle provided by the embodiments of the present invention;

FIG. 11 is a cross-sectional view of a fourth support feeder handle provided by an embodiment of the present invention;

FIG. 12 is a schematic view of a fourth stent transporter handle lock sleeve arrangement provided by an embodiment of the present invention;

FIG. 13 is a schematic view of a second lock insert of a fourth support carrier handle provided in accordance with an embodiment of the present invention;

FIG. 14 is a schematic view of a bracket feeder handle with the stop removed according to an embodiment of the present invention;

FIG. 15 is a cross-sectional view of a frame feeder handle with a stop removed according to an embodiment of the present invention;

FIG. 16 is a schematic view of a threaded connection of a rack feeder handle provided by an embodiment of the present invention.

Icon: 100-a housing; 101-a first card slot; 102-a chute; 200-a guide sleeve; 201-a second card slot; 300-threaded connections; 301-limit protrusion; 302-a slider projection; 303-a threaded portion; 400-a stop; 401-yielding gap; 410-elastic buckle; 411-a first clamping part; 412-a second clip part; 413-a first clip arm; 414-a second clip arm; 420-a snap fit device; 421-safety buckle shell; 422-a first resilient pawl; 423-second resilient jaws; 424-release; 430-a lock sleeve device; 431-lock sleeve; 4311-fixture block; 432-a second lock insert; 4321-second patch section; 4322-plugboard part; 4323-second handle; 4324-convex teeth; 440-a first lock insert; 441-a first patch part; 442-a first hand-held; 500-outer tube.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 6, 7, 8, 9 and 11, a rack transporter handle according to an embodiment of the present invention includes: the device comprises a shell 100, a guide sleeve 200, a threaded connector 300 and a limiting piece 400; the threaded connector 300 is slidably connected to the housing 100; the guide sleeve 200 is sleeved on the housing 100, and the guide sleeve 200 is matched with the threaded connector 300; the limiting member 400 is mounted on the housing 100, and the limiting member 400 has a locking state and an unlocking state; in the locked state, the stopper 400 locks the guide sleeve 200 to prevent the reverse movement of the guide sleeve 200 relative to the housing 100 to release the delivery to the threaded connector 300; in the unlocked state, the limiting member 400 is located at the guide sleeve 200, so that the guide sleeve 200 has a return movement margin with respect to the housing 100.

In the unlocked state, the stopper 400 is moved away from the guide sleeve 200, so that the guide sleeve 200 in the initial position still has a space to move in the return direction with respect to the housing 100, thereby forming the return movement margin. Thus, the stent transporter handle can be released slowly by placing the position-limiting member 400 in a locked state, in which the driving sleeve 200 is axially stopped with respect to the housing 100 (see fig. 7, the driving sleeve 200 cannot slide leftward with respect to the housing 100), and driving the threaded connection member 300 (to the right) by rotating the driving sleeve 200; the limiting member 400 can be further placed in an unlocking state, and the guide sleeve 200 can drive the threaded connecting member 300 to synchronously move by sliding the guide sleeve 200 in the releasing direction, so that the quick release is realized; during the returning operation, the guide sleeve 200 is operated to slide reversely along the housing 100, and the position is moved by the position limiting member 400, so that the returning stroke of the guide sleeve 200 is increased, and the ineffective stroke generated by rotating the guide sleeve 200 in the slow release process can be compensated without reversely rotating the guide sleeve 200, thereby facilitating the returning operation.

In one embodiment, the limiting member 400 is configured as a limiting member, the shaft end of the guide sleeve 200 abuts against the limiting member 400 in the locked state, the guide sleeve 200 is blocked by the limiting member 400, when the guide sleeve 200 is rotated, the guide sleeve 200 drives the threaded connector 300 to move, and in the process, the limiting member 400 blocks the guide sleeve 200, so that the guide sleeve 200 is prevented from moving in the opposite direction of the feeding of the threaded connector 300. In addition, in an alternative embodiment, the limiting member 400 may further adopt a one-way ratchet structure having elasticity, and the one-way ratchet structure prevents the guide sleeve 200 from moving in the opposite direction to the delivery direction of the threaded connector 300.

As shown in fig. 1, 6, 7, 8, 9, 11 and 14, in the present embodiment, the limiting member 400 in the locked state can be engaged with the guide sleeve 200, so that the guide sleeve 200 can be axially fixed relative to the housing 100, and at this time, the threaded connector 300 can be driven to axially move relative to the housing 100 by rotating the guide sleeve 200.

In this embodiment, the threaded connector 300 is fixedly connected to the outer tube 500, and when the guiding sleeve 200 drives the threaded connector 300 to slide along the housing 100, the outer tube 500 moves along with the threaded connector 300. In the slow release process, the guide sleeve 200 is rotated to drive the threaded connector 300 to slide along the housing 100 through threaded matching (see fig. 7, the threaded connector 300 moves to the right), and in the process, the threaded connector 300 drives the outer tube 500 to retreat, so that the stent in the outer tube 500 can be slowly released; in the quick release process, the limiting member 400 is adjusted to the unlocked state, and the driving sleeve 200 is operated to slide along the housing 100 (see fig. 7, the driving sleeve 200 slides to the right), so that the threaded connector 300 and the outer tube 500 can be driven to move synchronously, and the quick release of the stent is further realized. When the outer tube 500 needs to be operated to return or the stent needs to be recovered, the guiding sleeve 200 can be operated to move reversely relative to the housing 100 (see fig. 2, 4, 6 and 9), in this process, the guiding sleeve 200 cannot be limited by the limiting member 400 to cause the threaded connector 300 to be unable to return completely, the yielding distance of the limiting member 400 can compensate for the displacement of the threaded connector 300 caused by rotating the guiding sleeve 200 in the slow release process, and further, the guiding sleeve 200 is ensured to have enough return movement allowance relative to the housing 100, thereby facilitating the recovery operation of the stent.

As shown in fig. 1, 2, 3, 4 and 5, in the first embodiment of the present invention, the position-limiting member 400 includes an elastic buckle 410, and the elastic buckle 410 is detachably connected to the housing 100; in a locked state, the elastic buckle 410 is clamped between the shell 100 and the guide sleeve 200; in the unlocked state, the resilient latch 410 is removed from the housing 100 to allow access to the guide sleeve 200.

Referring to fig. 1, the elastic buckle 410 is clamped to the housing 100 and the guide sleeve 200 in a locked state, so that the guide sleeve 200 is axially fixed relative to the housing 100, and the elastic buckle 410 is clamped to the annular clamping groove of the guide sleeve 200, so that the guide sleeve 200 can freely rotate around the housing 100, and the slow backward movement operation of the outer tube 500 is realized by matching with the threaded connection 300.

Referring to fig. 2, 3 and 4, the elastic buckle 410 is removed to achieve the unlocking state of the position limiting member 400, and at this time, the driving sleeve 200 can freely slide along the axial direction of the housing 100, so as to drive the threaded connector 300 and the outer tube 500 to rapidly move. When the outer tube 500 is operated to move forward (to the left in the figure), the elastic buckle 410 is removed, so that the movable stroke of the guide sleeve 200 in the return direction is increased, and the displacement of the threaded connector 300 relative to the guide sleeve 200 can be compensated.

As shown in fig. 1, 5, 14 and 15, the body of the elastic buckle 410 is configured as a ring structure and has a notch; the increase or decrease of the opening at the notch can further increase or decrease the inner diameter of the elastic buckle 410. The elastic buckle 410 is provided with a first clamping portion 411 and a second clamping portion 412, the first clamping portion 411 and the second clamping portion 412 are arranged at intervals, the first clamping portion 411 is adapted to the guide sleeve 200, and the second clamping portion 412 is adapted to the housing 100. The elastic buckle 410 is further provided with a first clamping arm 413 and a second clamping arm 414, the first clamping arm 413 and the second clamping arm 414 are respectively located at two sides of the notch, and the opening of the notch can be driven to increase or decrease by manually operating the first clamping arm 413 and the second clamping arm 414; the first clamping arm 413 and the second clamping arm 414 are released, and the elastic buckle 410 rebounds under the self-elastic action.

In one embodiment, the first engaging portion 411 and the second engaging portion 412 can be configured as a slot, and the guiding sleeve 200 and the housing 100 are both provided with a limiting protrusion adapted to the slot, and in a locked state, the limiting protrusion fits into the slot, so that the guiding sleeve 200, the housing 100 and the elastic buckle 410 are axially fixed. The locking groove extends along the circumferential direction of the housing 100 and the driving sleeve 200, so that the driving sleeve 200 can be freely rotated around the housing 100.

In this embodiment, the housing 100 is provided with a first engaging groove 101 adapted to the limiting member 400; the guide sleeve 200 is provided with a second engaging groove 201 adapted to the position limiting member 400.

In the locked state, the first engaging portion 411 engages with the second slot 201, and the second engaging portion 412 engages with the first slot 101. The first engaging groove 101 extends annularly around the circumference of the housing 100, and the second engaging groove 201 extends annularly around the guide sleeve 200, so that in the locked state, the guide sleeve 200 can still rotate freely around the housing 100, thereby driving the threaded connection 300 to move axially along the guide sleeve 200.

As shown in fig. 7 and 8, the limiting member 400 is movably connected to the housing 100, and the limiting member 400 has a first station and a second station; when the limiting member 400 is located at the first station, the limiting member 400 in the locking state locks the guide sleeve 200; when the limiting member 400 is located at the second station, the limiting member 400 is moved to the guide sleeve 200.

The stopper 400 in the unlocked state can move forward (left side shown) relative to the housing 100, so that the guide sleeve 200 can slide forward (left side shown) relative to the housing 100, thereby increasing the return stroke of the guide sleeve 200 to compensate for the displacement of the threaded connector 300 relative to the guide sleeve 200 (right).

Further, the limiting member 400 includes a snap device 420; the snap device 420 includes: a safety buckle housing 421, a first elastic claw 422, a second elastic claw 423, and a release piece 424; the safety buckle housing 421 is sleeved on the housing 100, and the first elastic claw 422 and the second elastic claw 423 are movably connected to the safety buckle housing 421 respectively; the release 424 is installed on the safety buckle housing 421, and the first elastic claw 422 and the second elastic claw 423 are respectively in transmission connection with the release 424.

Specifically, the first elastic claw 422 and the second elastic claw 423 may be elastic claw, or the first elastic claw 422 and the second elastic claw 423 may both include a claw member hinged in the buckle housing 421 and a spring installed between the claw member and the buckle housing 421, and the claw member is driven by the spring, so that the first elastic claw 422 and the second elastic claw 423 both have a locking tendency. The housing 100 is provided with a first annular groove engaged with the first elastic claw 422, and the driving sleeve 200 is provided with a second annular groove engaged with the second elastic claw 423. The release 424 comprises a dial or button by which the first resilient pawl 422 and the second resilient pawl 423 may be actuated to overcome the resilience and unlock by the release 424. In the unlocked state, the safety catch housing 421 is operable to slide along the housing 100 (left side as shown) to allow the guide sleeve 200 to be positioned.

As shown in fig. 9 and 10, the stopper 400 includes a first lock insert 440, and the first lock insert 440 includes: a first patch part 441 and a first handheld part 442 connected to the first patch part 441; the first patch part 441 is inserted into and penetrates the housing 100, and the first patch part 441 is fitted to the guide sleeve 200. The housing 100 has an escape gap 401 opposite to the guide sleeve 200, the first handhold portions 442 are configured in an arc-shaped structure, the first handhold portions 442 are located outside the housing 100, and the outer surfaces of the first handhold portions 442 are provided with lines to prevent the fingers from slipping relative to the first handhold portions 442 when the first handhold portions 442 are operated. The two first inserting portions 441 are respectively connected to the first handheld portion 442, an inserting hole is formed in the housing 100, the inserting hole corresponds to the first inserting portion 441, and the first inserting portion 441 penetrates through the inserting hole and is matched with the guide sleeve 200, so that the guide sleeve 200 can be locked; when the first locking plug 440 is pulled out, the first plugging portion 441 is disengaged from the guide sleeve 200, and at this time, the guide sleeve 200 may be inserted into the abdicating gap 401, so as to increase the return stroke of the guide sleeve 200.

As shown in fig. 11, 12 and 13, the limiting member 400 includes a sleeve device 430; the sleeve device 430 includes: a lock sleeve 431 and a second lock insert 432, wherein the lock sleeve 431 is connected to the shell 100, a relief gap 401 is formed between the lock sleeve 431 and the shell 100, and the second lock insert 432 is slidably connected to the lock sleeve 431; in a locked state, the second lock plug-in 432 passes through the abdicating gap 401 and is clamped with the guide sleeve 200; in the unlocked state, the second lock plug 432 is separated from the guide sleeve 200, and the returned guide sleeve 200 is inserted into the relief gap 401.

Specifically, the lock sleeve 431 is fixed with respect to the housing 100, and the switching between the locked state and the unlocked state is realized by inserting and pulling the second lock plug 432. In an unlocked state, the guide sleeve 200 which is returned to the original position is inserted into the abdicating gap 401, so that the return stroke of the guide sleeve 200 is expanded, the displacement of the threaded connector 300 relative to the guide sleeve 200 in the slow release process can be compensated, the guide sleeve 200 does not need to be rotated reversely, the threaded connector 300 returns to the initial position relative to the shell 100 by sliding the guide sleeve 200, and the support can be recovered by the outer tube 500.

As shown in fig. 11, 12 and 13, a latch 4311 is disposed on an inner side of the lock sleeve 431, and the latch 4311 is latched in the first latch groove 101, so that the lock sleeve 431 is fixed relative to the housing 100.

As shown in fig. 11, 12, 13, 14 and 15, the second lock insert 432 includes: a second patch part 4321, a patch part 4322 and a second hand-held part 4323; the inserting plate portion 4322 is connected between the second inserting portion 4321 and the second holding portion 4323, and the inserting plate portion 4322 passes through the lock sleeve 431.

The second hand-held portion 4323 can be configured to have a required shape structure as required, the second inserting portion 4321 can adopt an arc-shaped structure, the arc-shaped structure is inserted into the second slot 201 in a locked state, and by ensuring that the arc-shaped structure is coaxial with the second slot 201, the second inserting portion 4321 is always inserted into the second slot 201 during the rotation of the guide sleeve 200 around the housing 100, so that the guide sleeve 200 is axially fixed to the housing 100.

Further, the inserting plate portion 4322 is provided with a convex tooth portion 4324, and the convex tooth portion 4324 can be clamped in the lock sleeve 431, so that the second lock insert 432 is locked and fixed relative to the lock sleeve 431. The male tooth portion 4324 may be configured as a one-way ratchet. The second holding portion 4323 is pulled outwards, the one-way ratchet moves outwards through the lock sleeve 431 and is clamped on the outer side of the lock sleeve 431, and therefore the second lock plug-in 432 can be fixed at the unlocking station.

As shown in fig. 2, 6, 8, 10, 11, 15 and 16, the housing 100 is provided with a slide groove 102; the threaded connecting piece 300 is provided with a limiting bulge 301 and a sliding block bulge 302, wherein the limiting bulge 301 and the sliding block bulge 302 are arranged at intervals along the sliding groove 102 and respectively slide in the sliding groove 102; the slider protrusion 302 is connected with a screw portion 303, and the screw portion 303 is engaged with the guide sleeve 200. In the initial position, the limit protrusion 301 abuts against one end of the sliding slot 102, so as to achieve the initial positioning of the threaded connector 300 relative to the housing 100. The tail end of the inner tube is connected to the luer connector, the inner tube and the luer connector are both connected to the shell 100, and the stent is compressed between the outer wall of the inner tube and the inner wall of the outer tube 500; when slow release is carried out, the threaded connecting piece 300 can be driven to move relative to the shell 100 by rotating the guide sleeve 200, and the limiting protrusion 301 slides along the sliding groove 102; when the quick release is performed, the operation limiting member 400 is unlocked, and the driving sleeve 200 and the threaded connector 300 synchronously slide along the housing 100. During release, the stent remains fixed relative to the inner tube and the outer tube 500 is withdrawn, thereby gradually releasing the stent. When the outer tube 500 is recovered, the guide sleeve 200 is reversely operated to move relative to the housing 100, and when the stopper 400 is unlocked, the guide sleeve 200 is returned to the original position with a return movement margin, so that the stopper protrusion 301 is returned to the state of abutting against the end of the slide groove 102, and the threaded connector 300 is returned to the original position when the outer tube 500 is recovered. In addition, when the outer tube 500 is recovered in place, the limiting protrusion 301 collides with the end of the sliding groove 102, so that a pause is generated, and an operator can conveniently sense that the threaded connecting piece 300 returns to place, thereby judging that the recovery of the outer tube 500 is completed.

The holder carrier handle according to the present embodiment has the following technical effects:

1. the stent transporter handle has slow release and quick release functions, and can realize quick recovery of the outer tube 500.

2. When the outer tube 500 is recovered, the return movement allowance can compensate the idle stroke (the displacement of the threaded connector 300 relative to the guide sleeve 200) generated by rotating the guide sleeve 200, so that the rapid recovery operation is facilitated, the guide sleeve 200 does not need to be rotated reversely, and the operation is simple and convenient.

3. The locking-state limiting member 400 can stably limit the relative position between the guide sleeve 200 and the housing 100, and in the process of slowly releasing the bracket, the guide sleeve 200 is operated to rotate, and the limiting member 400 can prevent the guide sleeve 200 from axially moving relative to the housing 100, so that the releasing operation process is stabilized. In addition, the guide sleeve 200 can be prevented from moving axially relative to the housing 100 during the transportation of the equipment, so that the transportation safety of the equipment is ensured, and misoperation and transportation damage are avoided.

4. When the recovery is finished, the limiting bulge 301 impacts the end part of the sliding groove 102, so that an operator can sense that the threaded connecting piece 300 returns to the position conveniently.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A stent transporter handle, comprising: the device comprises a shell (100), a guide sleeve (200), a threaded connecting piece (300) and a limiting piece (400);

the shell (100) is provided with a sliding groove (102), the threaded connecting piece (300) is provided with a sliding block protrusion (302), the sliding block protrusion (302) slides in the sliding groove (102), the sliding block protrusion (302) is provided with a threaded part (303), and the threaded part (303) is matched with the guide sleeve (200);

the guide sleeve (200) is sleeved on the shell (100), and the guide sleeve (200) is matched with the threaded connecting piece (300);

the limiting piece (400) is mounted on the shell (100), and the limiting piece (400) has a locking state and an unlocking state;

in the locked state, the stopper (400) locks the driving sleeve (200) to prevent the reverse movement of the driving sleeve (200) relative to the housing (100) to release the delivery to the threaded connection (300);

under the unlocking state, the limiting part (400) gives way to the guide sleeve (200) so that the guide sleeve (200) has a return movement allowance relative to the shell (100).

2. The support carrier handle of claim 1,

the threaded connecting piece (300) is provided with limiting protrusions (301), and the limiting protrusions (301) and the sliding block protrusions (302) are arranged at intervals along the sliding groove (102) and respectively slide in the sliding groove (102).

3. The rack feeder handle according to claim 1, wherein the stop (400) comprises a resilient catch (410), the resilient catch (410) being removably connected to the housing (100);

in the locking state, the elastic buckle (410) is clamped between the shell (100) and the guide sleeve (200);

in the unlocking state, the elastic buckle (410) is detached from the shell (100) so as to be positioned in the guide sleeve (200).

4. The support carrier handle according to claim 3, wherein the elastic buckle (410) is provided with a first clamping portion (411) and a second clamping portion (412), the first clamping portion (411) and the second clamping portion (412) are arranged at intervals, the first clamping portion (411) is adapted to the guide sleeve (200), and the second clamping portion (412) is adapted to the housing (100).

5. The rack feeder handle according to claim 1, wherein the stop (400) is movably connected to the housing (100), and the stop (400) has a first position and a second position;

when the limiting piece (400) is positioned at a first station, the limiting piece (400) in a locking state locks the guide sleeve (200);

when the limiting part (400) is located at the second station, the limiting part (400) gives way to the guide sleeve (200).

6. The rack feeder handle according to claim 5, wherein the stop (400) comprises a snap feature (420);

the snap means (420) comprises: a safety buckle shell (421), a first elastic claw (422), a second elastic claw (423) and a release piece (424);

the safety buckle shell (421) is sleeved on the shell (100), and the first elastic claw (422) and the second elastic claw (423) are respectively movably connected to the safety buckle shell (421);

the release piece (424) is mounted on the safety buckle housing (421), and the first elastic claw (422) and the second elastic claw (423) are respectively in transmission connection with the release piece (424).

7. The stent feeder handle of claim 1, wherein the retainer (400) comprises a first lock insert (440), the first lock insert (440) comprising: a first patch section (441) and a first hand-held section (442) connected to the first patch section (441);

the first plug part (441) is inserted into and penetrates through the housing (100), and the first plug part (441) is adapted to the guide sleeve (200).

8. The rack feeder handle according to claim 1, wherein the stop (400) comprises a sleeve device (430);

the sleeve device (430) comprises: a sleeve (431) and a second lock insert (432), the sleeve (431) being connected to the housing (100) with a clearance (401) between the sleeve (431) and the housing (100), the second lock insert (432) being slidably connected to the sleeve (431);

in the locking state, the second lock plug-in unit (432) penetrates through the abdicating gap (401) and is clamped in the guide sleeve (200);

in the unlocking state, the second lock plug-in unit (432) is separated from the guide sleeve (200), and the guide sleeve (200) which returns is inserted into the abdicating gap (401).

9. A rack feeder handle according to claim 8, wherein the second lock insert (432) is provided with a protruding tooth (4324), the protruding tooth (4324) abutting the lock sleeve (431) to retain the second lock insert (432).

10. A rack feeder handle according to any of claims 1-9, wherein the housing (100) is provided with a first snap groove (101) adapted to the stop (400); the guide sleeve (200) is provided with a second clamping groove (201) matched with the limiting part (400).