CN113244031A - Medical self-locking structure - Google Patents
Medical self-locking structure Download PDFInfo
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- CN113244031A CN113244031A CN202110798065.5A CN202110798065A CN113244031A CN 113244031 A CN113244031 A CN 113244031A CN 202110798065 A CN202110798065 A CN 202110798065A CN 113244031 A CN113244031 A CN 113244031A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
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- Engineering & Computer Science (AREA)
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- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The application discloses a medical self-locking structure, which comprises a traction column and a support frame, wherein the support frame is detachably connected to the traction column, and a self-locking assembly used for locking the support frame on the traction column is arranged in the support frame; the self-locking assembly comprises a fixing plate, a first elastic part and a second elastic part, the first elastic part and the second elastic part are respectively fixed in the supporting frame and are respectively positioned at two sides of the traction column, the traction column penetrates through the fixing plate, the fixing plate is fixed on the first elastic part and the second elastic part, the self-locking assembly further comprises a pull rope, and the pull rope is pulled at one end of the fixing plate. This application has the effect that improves auto-lock and unblock.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a medical self-locking structure.
Background
At present, in the process of treating diseases of a human body, medical equipment needs to be conveyed into the human body at a fixed point so as to achieve the purpose of fixed-point treatment of the human body, and for the accuracy of positioning, a fixed support needs to be conveyed into human tissues in advance so as to achieve better treatment effect of the human tissues.
In the prior art, when internal tissues of a human body are treated, a support frame needs to be fixed on a traction column, the support frame moves along with the movement of the traction column, and the support frame is driven by the traction column to move to a designated position; when the support frame moves to the designated position of human tissue, the traction column and the support frame are self-locked and are left in the body.
The inventor thinks that the traction column and the supporting frame need to be self-locked on the tissue at the lesion part to achieve the purpose of fastening.
Disclosure of Invention
Aiming at the problems, the invention provides a medical self-locking structure which comprises a traction column and a support frame, wherein the support frame is detachably connected to the traction column, and a self-locking assembly used for locking the support frame on the traction column is arranged in the support frame;
the self-locking assembly comprises a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are respectively fixed in the supporting frame, and the first elastic piece and the second elastic piece are arranged on two sides of the traction column.
As a preferred technical scheme, the self-locking assembly further comprises a fixing plate, the fixing plate is arranged inside the supporting frame, and the traction column penetrates through the fixing plate.
As a preferable technical solution, the self-locking assembly further includes a pulling rope, and the pulling rope is pulled at one end of the fixing plate, or the pulling rope is pulled on the first elastic member or the second elastic member.
As a preferable technical solution, the first elastic member and the second elastic member are located at the same side of the fixing plate or at two sides of the fixing plate respectively.
As a preferred technical scheme, a switch component for locking the fixed plate on the traction column is arranged in the support frame.
As a preferable technical solution, the switch assembly includes a balance weight and a switch cylinder, the balance weight is fixed on the fixing plate, and the switch cylinder is screwed on the traction column.
As a preferred technical scheme, the supporting frame is provided with a fastening bolt, and the fastening bolt penetrates through one side, far away from the pull rope, of the supporting frame.
As a preferable technical solution, the first elastic member and the second elastic member are both made of nitinol.
As a preferred technical scheme, a conveying channel for conveying low-temperature gas is formed in the traction column and is communicated with the interior of the support frame.
As a preferable technical solution, the first elastic member and the second elastic member are disposed between the fixing plate and the inner bottom surface of the supporting frame, and the length of the first elastic member is different from the length of the second elastic member; the inner bottom surface of the support frame is arranged to be a slope structure compared with the outer bottom surface, the inner bottom surface of the support frame is in contact with one end of the shorter one of the first elastic piece and the second elastic piece, and the height of the slope structure is higher.
As a preferable technical solution, the first elastic member and the second elastic member are disposed on the same side of the fixing plate, and the first elastic member and the second elastic member have different lengths and different elasticity; the shorter one of the first elastic member and the second elastic member is more elastic.
Has the advantages that:
1. through the springs with different wire diameters and lengths of the first elastic piece and the second elastic piece, asymmetric force value control is provided, and self-locking force value control required by the self-adaptive anatomical structure is achieved.
Through stay cord or switch module pulling fixed plate for the fixed plate takes place to rotate, and the conflict is removed with the post of drawing to the fixed plate of being convenient for, through control pulling force, realizes fixed plate pivoted range, and is easy and simple to handle.
2. Through adopting to support tight bolt, the support frame processing of being convenient for reduces the processing degree of difficulty of support frame.
3. The nickel-titanium alloy has good plasticity, and when the temperature is lower, the conflict between the fixing plate and the traction column is removed according to different deformation amounts generated in different temperature ranges; when the lower temperature is removed, the first elastic piece recovers elasticity, so that the self-locking assembly is self-locked, and the fastening purpose is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present application;
FIG. 3 is a schematic structural diagram of embodiment 3 of the present application;
FIG. 4 is a schematic structural diagram of embodiment 4 of the present application;
FIG. 5 is a schematic structural diagram of embodiment 5 of the present application;
FIG. 6 is a schematic structural diagram of embodiment 6 of the present application;
reference numerals: 1. a traction column; 10. a delivery channel; 2. a support frame; 21. tightly abutting against the bolt; 3. a self-locking assembly; 31. a fixing plate; 32. a first elastic member; 33. a second elastic member; 34. pulling a rope; 4. a switch assembly; 41. a counterbalance; 42. and a switch cylinder.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein.
When describing embodiments of the present application, the use of "preferred," "preferably," "more preferred," and the like, is meant to refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
In this document, relational terms such as first, second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a component, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such component, apparatus, or device.
When a component, element, or layer is referred to as being "on," "bonded to," "connected to," or "coupled to" another element or layer, it may be directly on, bonded to, connected to, or coupled to the other element, or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly coupled to," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …," "adjacent" versus "directly adjacent," etc.).
The invention provides a medical self-locking structure which comprises a traction column and a support frame, wherein the support frame is detachably connected to the traction column, and a self-locking assembly used for locking the support frame on the traction column is arranged in the support frame;
the self-locking assembly comprises a first elastic piece and a second elastic piece, the first elastic piece and the second elastic piece are respectively fixed in the supporting frame, and the first elastic piece and the second elastic piece are arranged on two sides of the traction column.
In some preferred embodiments, the self-locking assembly further comprises a fixing plate disposed inside the supporting frame, and the traction column penetrates through the fixing plate.
In some preferred embodiments, the self-locking assembly further comprises a pulling rope, and the pulling rope is pulled at one end of the fixing plate or pulled on the first elastic member or the second elastic member.
Preferably, in some embodiments, the self-locking assembly comprises the fixing plate, and the pull rope is pulled at one end of the fixing plate;
preferably, in some embodiments, the self-locking assembly does not include the fixing plate, and the pull rope is pulled on the elastic member with the longer length of the first elastic member and the second elastic member;
in some preferred embodiments, the first elastic element and the second elastic element are located on the same side of the fixing plate or on two sides of the fixing plate respectively.
In some preferred embodiments, a fixing component for locking the fixing plate to the traction column is arranged in the supporting frame.
In some preferred embodiments, the switch assembly includes a weight fixed to the fixing plate and a switch cylinder screw-fitted to the traction column.
In some preferred embodiments, the support frame is provided with a fastening bolt, and the fastening bolt penetrates through one side of the support frame, which is far away from the pull rope.
In some preferred embodiments, the first and second elastic members are each made of nitinol. The nickel-titanium alloy is a shape memory alloy, which is a special alloy capable of automatically restoring the plastic deformation of the nickel-titanium alloy into the original shape at a certain specific temperature and has good plasticity.
Nitinol is a binary alloy composed of nickel and titanium, and exists in two distinct crystallographic phases, an austenite phase and a martensite phase, as a result of being subjected to changes in temperature and mechanical stress. Nickel titanium alloys have shape memory properties and superelasticity.
In some preferred embodiments, a conveying channel for conveying low-temperature gas is formed in the traction column, and the conveying channel is communicated with the interior of the support frame.
In some preferred embodiments, the first elastic element and the second elastic element are arranged between the fixing plate and the inner bottom surface of the supporting frame, and the length of the first elastic element is different from that of the second elastic element; the inner bottom surface of the support frame is arranged to be a slope structure compared with the outer bottom surface, the inner bottom surface of the support frame is in contact with one end of the shorter one of the first elastic piece and the second elastic piece, and the height of the slope structure is higher.
In some preferred embodiments, the first elastic element and the second elastic element are arranged on the same side of the fixing plate, and the first elastic element and the second elastic element have different lengths and different elasticity; the shorter one of the first elastic member and the second elastic member is more elastic.
The working principle is as follows: the medical self-locking structure is used for clamping and fixing internal tissues of a human body, after the medical self-locking structure is sent to a target part of the human body through other matching devices, the traction column and the support frame are responsible for clamping the tissues of the human body and playing the roles of hemostasis, connection, fixation and the like.
Examples
The technical solution of the present invention is described in detail by the following examples, but the scope of the present invention is not limited to the examples.
Without conflict, the technical features in the following embodiments may be recombined to obtain a new embodiment, and the new embodiment obtained is also within the scope of the present application since the technical features are not required to be recombined with creative efforts.
Example 1
The medical self-locking structure shown in fig. 1 comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 used for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a pulling rope 34, and the pulling rope 34 is pulled on the second elastic element 33; in this embodiment, the length of the first elastic member 32 is smaller than the length of the second elastic member 33.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
The working principle is as follows: because the lengths of the first elastic element 32 and the second elastic element 33 are different, the traction column 1 and the support frame 2 are separated from a vertical state, and because the traction column 1 penetrates through the support frame 2, the traction column 1 is deflected by the elastic force of the first elastic element 32 and the second elastic element 33 and is blocked by the support frame 2, so that self-locking is completed; the second elastic part 33 is temporarily separated from the traction column 1 by pulling the pull rope 34, the self-locking is opened, the pull rope 34 is loosened after the medical self-locking structure is adjusted, and the self-locking is completed again.
Example 2
As shown in fig. 2, the medical self-locking structure comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a fixing plate 31, the fixing plate 31 is arranged inside the supporting frame 2, and the traction column penetrates through the fixing plate 31.
The first elastic piece 32 and the second elastic piece 33 are integrally arranged; the bottom surface in the support frame 2 is obliquely arranged.
The self-locking assembly 3 further comprises a pull rope 34, and the pull rope 34 is pulled on the fixing plate;
the first elastic member 32 and the second elastic member 33 are located on the same side of the fixing plate 31.
The support frame 2 is provided with a fastening bolt 21, and the fastening bolt 21 penetrates through one side of the support frame 2 far away from the pull rope 34.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
Firstly, the fixing plate 31 is inclined under the support of the second elastic element 33 and the first elastic element 32, so that the fixing plate 31 is tightly propped against the traction column 1, and the self-locking assembly 3 is used for fixing the support frame 2 on the traction column 1; when the medical self-locking structure moves to a specified position, the pull rope 34 is pulled by hand, the fixing plate 31 rotates, one end of the fixing plate 31 is abutted against the abutting bolt 21, the pull rope 34 is pulled continuously, the fixing plate 31 compresses the second elastic part 33, the fixing plate 31 is enabled to be released from abutting against the traction column 1, and therefore the fixing plate 31 and the traction column 1 are unlocked; when the adjustment is completed, the pulling rope 34 is released, the fixing plate 31 collides with the traction column 1 again under the resilience of the first elastic element 32 and the second elastic element 33, and returns to the locking position, and the medical self-locking structure completes self-locking.
Example 3
As shown in fig. 3, the medical self-locking structure comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a fixing plate 31, the fixing plate 31 is arranged inside the supporting frame 2, and the traction column penetrates through the fixing plate 31.
The first elastic piece 32 and the second elastic piece 33 are integrally arranged; the bottom surface in the support frame 2 is obliquely arranged.
The self-locking assembly 3 further comprises a pull rope 34, and the pull rope 34 is pulled on the fixing plate;
the first elastic member 32 and the second elastic member 33 are located on the same side of the fixing plate 31.
The support frame 2 is provided with a fastening bolt 21, and the fastening bolt 21 penetrates through one side of the support frame 2 far away from the pull rope 34.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
A conveying channel 10 for conveying low-temperature gas is formed in the traction column 1, and the conveying channel 10 is communicated with the inside of the support frame 2.
Firstly, the fixing plate 31 is inclined under the support of the second elastic element 33 and the first elastic element 32, so that the fixing plate 31 is tightly propped against the traction column 1, and the self-locking assembly 3 is used for fixing the support frame 2 on the traction column 1; when the medical self-locking structure moves to a specified position, the pull rope 34 is pulled by hand, the fixing plate 31 rotates, one end of the fixing plate 31 is abutted against the abutting bolt 21, the pull rope 34 is pulled continuously, the fixing plate 31 compresses the second elastic part 33, the fixing plate 31 is enabled to be released from abutting against the traction column 1, and therefore the fixing plate 31 and the traction column 1 are unlocked; when the adjustment is completed, the pulling rope 34 is released, the fixing plate 31 collides with the traction column 1 again under the resilience of the first elastic element 32 and the second elastic element 33, and returns to the locking position, and the medical self-locking structure completes self-locking.
The present embodiment provides another operation mode: firstly, introducing low-temperature gas into the conveying channel 10, introducing the low-temperature gas in the conveying channel 10 into the support frame 2, and cooling the first elastic part 32 and the second elastic part 33 in the support frame 2 to realize cooling of the first elastic part 32 and the second elastic part 33; when the support frame 2 moves to the designated position, the introduction of low-temperature gas into the conveying channel 10 is cancelled, and along with the temperature rise in the conveying channel 10, the first elastic element 32 and the second elastic element 33 also recover elasticity, and the first elastic element 32 and the second elastic element 33 support the fixing plate 31 to be tightly abutted against the abutting bolt 21, so that the locking of the fixing plate 31 and the traction column 1 is completed.
Example 4
As shown in fig. 4, the medical self-locking structure comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a fixing plate 31, the fixing plate 31 is arranged inside the supporting frame 2, and the traction column penetrates through the fixing plate 31.
The self-locking assembly 3 further comprises a pull rope 34, and the pull rope 34 is pulled on the fixing plate;
the first elastic element 32 and the second elastic element 33 are arranged on the same side of the fixing plate 31, and the first elastic element 32 and the second elastic element 33 have different lengths and different elasticity; the first elastic member 32 is shorter in length, and the first elastic member 32 is more elastic.
The first elastic member 32 and the second elastic member 33 are different springs, one end of each spring is fixedly connected to the bottom surface of the support frame 2, and the other end of each spring is fixedly connected to one end of the fixing plate 31.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
The working principle is as follows: firstly, the fixing plate 31 is inclined due to the difference between the lengths and the elasticity of the first elastic member 32 and the second elastic member 33, the fixing plate 31 abuts against the traction column 1 to lock the fixing plate 31 and the traction column 1, the pull rope 34 is pulled, the fixing plate 31 rotates to break the balance state of the first elastic member 32 and the second elastic member 33 to release the interference between the fixing plate 31 and the traction column 1, so that the locking between the fixing plate 31 and the traction column 1 is released, after the medical self-locking structure moves to a specified position, the pull rope 34 is released, the fixing plate collides with the traction column 1 again under the resilience effect of the first elastic member 32 and the second elastic member 33 to return to a locking position, and the medical self-locking structure completes self-locking.
Example 5
As shown in fig. 5, the medical self-locking structure comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a fixing plate 31, the fixing plate 31 is arranged inside the supporting frame 2, and the traction column penetrates through the fixing plate 31.
The self-locking assembly 3 further comprises a pull rope 34, and the pull rope 34 is pulled on the fixing plate;
the first elastic member 32 and the second elastic member 33 are respectively located at both sides of the fixed plate 31.
The first elastic element 32 and the second elastic element 33 are springs, one end of the first elastic element 32 is fixedly connected to the top surface of the support frame 2, and the other end of the first elastic element 32 is fixedly connected to one end of the fixing plate 31; one end of the second elastic member 33 is fixedly connected to the bottom surface of the supporting frame 2, and the other end is fixedly connected to one end of the fixing plate 31.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
The working principle is as follows: firstly, due to the action of the first elastic member 32 and the second elastic member 33, the fixing plate 31 is inclined, the fixing plate 31 abuts against the traction column 1 to lock the fixing plate 31 and the traction column 1, the pull rope 34 is pulled, the fixing plate 31 rotates to break the balance state of the first elastic member 32 and the second elastic member 33 to release the interference between the fixing plate 31 and the traction column 1, so that the locking between the fixing plate 31 and the traction column 1 is released, after the medical self-locking structure moves to a specified position, the pull rope 34 is released, the fixing plate collides with the traction column 1 again under the resilience effect of the first elastic member 32 and the second elastic member 33 to return to a locking position, and the medical self-locking structure completes self-locking.
Example 6
As shown in fig. 6, the medical self-locking structure comprises a traction column 1 and a support frame 2, wherein the support frame 2 is a hollow cylinder, the support frame 2 is detachably connected to the traction column 1, the traction column 1 penetrates through the support frame 2, and a self-locking assembly 3 for locking the support frame 2 on the traction column 1 is arranged in the support frame 2.
The self-locking assembly 3 comprises a first elastic piece 32 and a second elastic piece 33, the first elastic piece 32 and the second elastic piece 33 are respectively fixed in the support frame 2, and the first elastic piece 32 and the second elastic piece 33 are arranged on two sides of the traction column 1.
The self-locking assembly 3 further comprises a fixing plate 31, the fixing plate 31 is arranged inside the supporting frame 2, and the traction column penetrates through the fixing plate 31.
The first elastic member 32 and the second elastic member 33 are respectively located at both sides of the fixed plate 31.
The first elastic element 32 and the second elastic element 33 are springs, one end of the first elastic element 32 is fixedly connected to the top surface of the support frame 2, and the other end of the first elastic element 32 is fixedly connected to one end of the fixing plate 31; one end of the second elastic member 33 is fixedly connected to the bottom surface of the supporting frame 2, and the other end is fixedly connected to one end of the fixing plate 31.
The switch assembly 4 comprises a balance weight 41 and a switch cylinder 42, the balance weight 41 is fixed on the fixing plate 31, and the switch cylinder 42 is in threaded fit on the traction column 1.
The first elastic member 32 and the second elastic member 33 are made of nitinol.
The working principle is as follows: firstly, the fixing plate 31 is inclined due to the action of the first elastic member 32 and the second elastic member 33, the fixing plate 31 abuts against the traction column 1 to lock the fixing plate 31 and the traction column 1, the switch cylinder 42 is rotated to move along the traction column 1 under the action of screw-thread fit to abut against the balance weight 41, the angle between the fixing plate 31 and the traction column 1 is adjusted, the interference between the fixing plate 31 and the traction column 1 is released, so that the fixing plate 31 and the traction column 1 are unlocked, after the medical self-locking structure moves to a specified position, the switch cylinder 42 is rotated reversely to disengage the switch cylinder 42 from the balance weight 41, the fixing plate 31 again collides with the traction column under the rebound effect of the first elastic member 32 and the second elastic member 33 to return to a locking position, the medical self-locking structure can complete self-locking.
The foregoing examples are merely illustrative and serve to explain some of the features of the methods described herein. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the present application. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. A medical auto-lock structure which characterized in that: the traction device comprises a traction column (1) and a support frame (2), wherein the support frame (2) is detachably connected to the traction column (1), and a self-locking assembly (3) used for locking the support frame (2) on the traction column (1) is arranged in the support frame (2);
the self-locking assembly (3) comprises a first elastic piece (32) and a second elastic piece (33), the first elastic piece (32) and the second elastic piece (33) are fixed in the supporting frame (2) respectively, and the first elastic piece (32) and the second elastic piece (33) are arranged on two sides of the traction column (1).
2. The medical self-locking structure according to claim 1, wherein: the self-locking assembly (3) further comprises a fixing plate (31), the fixing plate (31) is arranged inside the supporting frame (2), and the traction column penetrates through the fixing plate (31).
3. The medical self-locking structure according to claim 1 or 2, wherein: the self-locking assembly (3) further comprises a pull rope (34), wherein the pull rope (34) is pulled at one end of the fixing plate (31), or the pull rope (34) is pulled on the first elastic piece (32) or the second elastic piece (33).
4. The medical self-locking structure according to claim 2, wherein: the first elastic piece (32) and the second elastic piece (33) are positioned on the same side of the fixing plate (31) or on two sides of the fixing plate (31) respectively.
5. The medical self-locking structure according to claim 2 or 4, wherein: a switch assembly (4) for controlling the locking and unlocking of the fixing plate (31) and the traction column (1) is arranged in the support frame (2); the switch assembly (4) comprises a balance block (41) and a switch cylinder (42), the balance block (41) is fixed on the fixing plate (31), and the switch cylinder (42) is in threaded fit with the traction column (1).
6. The medical self-locking structure according to claim 3, wherein: the supporting frame (2) is provided with a fastening bolt (21), and the fastening bolt (21) penetrates through one side, far away from the pull rope (34), of the supporting frame (2).
7. The medical self-locking structure according to claim 1, wherein: the first elastic piece (32) and the second elastic piece (33) are both made of nickel-titanium alloy.
8. The medical self-locking structure according to claim 6, wherein: a conveying channel (10) for conveying low-temperature gas is formed in the traction column (1), and the conveying channel (10) is communicated with the interior of the support frame (2).
9. The medical self-locking structure according to claim 2, wherein: the first elastic piece (32) and the second elastic piece (33) are arranged between the fixing plate (31) and the inner bottom surface of the support frame (2), and the length of the first elastic piece (32) is different from that of the second elastic piece (33); the interior bottom surface of support frame (2) is compared and is set up to the slope structure in outer bottom surface, the interior bottom surface contact of support frame (2) first elastic component (32) with the one end of shorter one in second elastic component (33) slope structure height is higher.
10. The medical self-locking structure according to claim 2, wherein: the first elastic piece (32) and the second elastic piece (33) are arranged on the same side of the fixing plate (31), and the first elastic piece (32) and the second elastic piece (33) are different in length and elasticity; the shorter one of the first elastic member (32) and the second elastic member (33) is more elastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798065.5A CN113244031B (en) | 2021-07-15 | 2021-07-15 | Medical self-locking structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798065.5A CN113244031B (en) | 2021-07-15 | 2021-07-15 | Medical self-locking structure |
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| CN113244031A true CN113244031A (en) | 2021-08-13 |
| CN113244031B CN113244031B (en) | 2021-09-24 |
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| CN202110798065.5A Active CN113244031B (en) | 2021-07-15 | 2021-07-15 | Medical self-locking structure |
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| CN105201193A (en) * | 2015-10-26 | 2015-12-30 | 王军伟 | Scaffold |
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| CN111904660A (en) * | 2020-03-18 | 2020-11-10 | 杭州德晋医疗科技有限公司 | Valve clamping device and valve clamping system |
| CN112263367A (en) * | 2020-10-20 | 2021-01-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Vertebra traction rehabilitation device |
| US20210068955A1 (en) * | 2019-09-10 | 2021-03-11 | Boston Scientific Scimed, Inc. | Spring loaded self locking reversible anchor |
| CN112826639A (en) * | 2021-02-05 | 2021-05-25 | 广东脉搏医疗科技有限公司 | Valve holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1852688A (en) * | 2003-05-19 | 2006-10-25 | 斯托特药物集团公司 | Tissue distention device and related methods for therapeutic intervention |
| CN1981720A (en) * | 2005-12-16 | 2007-06-20 | 上海科生假肢有限公司 | Self-locking curve tractive manus |
| US20100116360A1 (en) * | 2008-11-13 | 2010-05-13 | Atrion Medical Products, Inc. | Actuating mechanism for fluid displacement and pressurizing device |
| CN204909748U (en) * | 2015-08-28 | 2015-12-30 | 佛山市南海区广工大数控装备协同创新研究院 | Artifical bearing self -locking mechanism |
| CN105201193A (en) * | 2015-10-26 | 2015-12-30 | 王军伟 | Scaffold |
| CN210750124U (en) * | 2019-08-16 | 2020-06-16 | 卞春喜 | Multifunctional fracture traction repositor |
| US20210068955A1 (en) * | 2019-09-10 | 2021-03-11 | Boston Scientific Scimed, Inc. | Spring loaded self locking reversible anchor |
| CN111265346A (en) * | 2020-01-20 | 2020-06-12 | 西安交通大学 | Height-adjustable self-locking interbody fusion cage device |
| CN111904660A (en) * | 2020-03-18 | 2020-11-10 | 杭州德晋医疗科技有限公司 | Valve clamping device and valve clamping system |
| CN112263367A (en) * | 2020-10-20 | 2021-01-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Vertebra traction rehabilitation device |
| CN112826639A (en) * | 2021-02-05 | 2021-05-25 | 广东脉搏医疗科技有限公司 | Valve holder |
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| CN113244031B (en) | 2021-09-24 |
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