SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and aims to provide a medical suturing device which aims to solve the technical problem that medical staff are easily punctured when a surgical suture needle and a suture are used for fixing a medical catheter on the body surface in the prior art.
In order to achieve the above object, an embodiment of the present invention is implemented by the following technical solutions: a medical stitching instrument comprises a first handle and a second handle, wherein one end of the first handle is connected to the end part of the second handle through a rotating shaft;
the first handle is provided with a hollow needle at one end far away from the rotating shaft, the needle point of the hollow needle faces one side of the second handle, the first handle is provided with a threading channel in a penetrating mode, the second handle is provided with an accommodating channel in a penetrating mode, when the first handle rotates around the rotating shaft and faces one side of the second handle, the hollow needle penetrates through the skin and stretches into the threading channel, the hollow needle and the accommodating channel are in a penetrating state, and a suture thread penetrates through the threading channel and penetrates out of the accommodating channel through the hollow needle.
Compared with the prior art, the beneficial effects of the utility model reside in that: when using this medical suturing device to fix body surface medical catheter, medical staff with first handle and second handle pressfitting, the hollow needle of locating in the first handle can pierce through skin, use the stylolite to penetrate and wear out the back through hollow needle and holding passageway from the threading passageway, cut off the stylolite and loosen this medical suturing device, just can tie a knot the stylolite fast and fix, in order to accomplish the fixed to body surface medical catheter, use this medical suturing device easy operation, medical staff is stabbed when effectively avoiding the suture.
According to one aspect of the above technical solution, the medical suturing device further comprises a manipulation mechanism, and the hollow needle can hide or extend out of the first handle under the control of the manipulation mechanism.
According to one aspect of the above technical solution, the first handle is provided with an opening at one end away from the rotating shaft, and when the operating mechanism controls the hollow needle to move horizontally, the needle tip portion of the hollow needle can be hidden in the first handle or exposed out of the opening.
According to one aspect of the above technical scheme, the pressing surface of the opening is arranged horizontally, and the pressing surface is parallel to the bottom surface of the first handle.
According to one aspect of the above technical scheme, the pressing surface of the opening is arranged in an inclined shape, and the pressing surface gradually rises towards one side of the rotating shaft.
According to one aspect of the above technical solution, the operating mechanism includes a control member and a connecting member, the control member is slidably disposed in a sliding groove formed in the first handle, one end of the control member extends into the first handle through the sliding groove, the control member is connected to the connecting member, and the connecting member is connected to the hollow needle at an end away from the control member.
According to one aspect of the above technical solution, the medical suturing device further comprises a resetting piece, and the resetting piece is connected with the operating mechanism so that the hollow needle has a rebound tendency.
According to one aspect of the above technical solution, one end of the reset member is connected to the control member, and the other end of the reset member is connected to the inner wall of the first handle or the rotating shaft.
According to an aspect of the above technical scheme, the piece that resets is the couple spring, the one end that resets is connected to the control piece, the inner wall of first handle is equipped with the stand, the other end that resets is connected to the stand.
According to one aspect of the technical scheme, a groove body is arranged on the first handle or the second handle, and a cutting blade used for cutting the remained thread end after the suture thread is knotted and fixed is arranged in the groove body.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are for illustrative purposes only and do not indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an embodiment of the present invention provides a medical suturing device, which is mainly used for fixing medical catheters on body surfaces, such as deep venous catheters and arterial catheters, and for suturing mild trauma.
Specifically, the medical stitching instrument comprises a first handle 10 and a second handle 20, wherein one end of the first handle 10 is connected to the end of the second handle 20 through a rotating shaft 30; the first handle 10 is provided with a hollow needle 40 at one end far away from the rotating shaft 30, the needle point of the hollow needle 40 faces one side of the second handle 20, the first handle 10 is provided with a threading channel 11 in a penetrating manner, the second handle 20 is provided with an accommodating channel 21 in a penetrating manner, when the first handle 10 rotates around the rotating shaft 30 and faces one side of the second handle 20, the hollow needle 40 penetrates through the skin 80 and extends into the threading channel 11, the hollow needle 40 and the accommodating channel 21 penetrate back and forth, and a suture thread 70 penetrates through the threading channel 11 and penetrates out through the hollow needle 40 and the accommodating channel 21.
Taking the deep venipuncture catheterization as an example, the medical staff holds the medical suturing instrument by hand, the first handle 10 is pressed by the palm, the hollow needle 40 arranged in the first handle 10 can pierce the skin 80, the suture thread 70 penetrates from the threading channel 11 and penetrates out of the accommodating channel 21 through the hollow needle 40, the palm releases the medical suturing instrument, the medical staff can make the skin extending suture thread 70 pass through the deep venous catheter and tie knots according to the suturing specification to fix the deep venous catheter.
Taking a mild trauma suture operation as an example, when the length of the skin wound is short but the wound is deep, for example, when a puncture wound with the wound length of about 5mm and the wound depth of more than 10mm is punctured, the medical staff holds the medical suture device, the first handle 10 is positioned at one side of the wound, the second handle 20 is positioned at the other side of the wound, the palm is pressed to enable the first handle 10 to be pressed against the second handle 20, the hollow needle 40 arranged in the first handle 10 can pierce the skin 80, the suture thread 70 penetrates through the threading channel 11 and penetrates out of the accommodating channel 21 through the hollow needle 40, the palm releases the medical suture device, the medical staff ties and fixes the suture thread 70 extending out of the skin according to the suture specification to complete the suture operation of the skin wound, the operation of the medical suture device is simple, and the medical staff is effectively prevented from being punctured during the suture.
In this embodiment, the medical suturing device further comprises a manipulating mechanism 50, and the hollow needle 40 can hide or extend out of the first handle 10 under the control of the manipulating mechanism 50 by the hollow needle 40.
Specifically, the operating mechanism 50 includes a control member 51 and a connecting member 52, the control member 51 is slidably disposed in a sliding slot 14 formed in the first handle 10, one end of the control member 51 extends into the first handle 10 through the sliding slot 14, the control member 51 is connected to the connecting member 52, and one end of the connecting member 52 away from the control member 51 is connected to the hollow needle 40; when medical staff took this medical suturing device, hollow needle 40 was located first handle 10, can effectively avoid medical staff to be stabbed, avoided with patient's cross infection, when needing to pierce through patient's skin 80, can make hollow needle 40 expose through promoting control 51 to the completion is to the impaling of skin 80.
In this embodiment, the medical suturing device further comprises a restoring member 60, wherein the restoring member 60 is connected to the operating mechanism 50 to make the hollow needle 40 have a tendency to rebound. One end of the reset member 60 is connected to the control member 51, and the other end of the reset member 60 is connected to the inner wall of the first handle 10 or the rotating shaft 30.
Specifically, the reset member 60 is a hook spring, one end of the reset member 60 is connected to the control member 51, the inner wall of the first handle 10 is provided with a column 15, and the other end of the reset member 60 is connected to the column 15; in practice, the medical staff pushes the control member 51 and overcomes the resilience of the hook spring, so that the hollow needle 40 is exposed and can pierce the skin.
In this embodiment, the first handle 10 is provided with an opening 12 at an end away from the rotating shaft 30, and when the operating mechanism 50 controls the hollow needle 40 to move horizontally, the tip of the hollow needle 40 can be hidden in the first handle 10 or exposed out of the opening 12.
Preferably, the pressing surface 13 of the opening 12 is arranged horizontally, the pressing surface 13 is parallel to the bottom surface of the first handle 10, when the medical suturing device is used for puncturing the skin 80 of a patient, the first handle 10 and the second handle 20 are in a pressing state, the skin 80 is located in the opening 12, the pressing surface 13 and the skin 80 are prevented from being in contact with each other, the skin 80 can be effectively prevented from sliding out, and the body surface medical catheter can be conveniently fixed or the suturing operation can be conveniently performed.
The technical personnel in the field can easily understand that the pressing surface of the opening is arranged in an inclined manner, the pressing surface gradually rises towards one side of the rotating shaft, and the hollow needle can be conveniently hidden by the inclined pressing surface.
In order to facilitate the treatment of the remaining thread end after the suture 70 is knotted and fixed, the second handle 20 is provided with a groove 22, the groove 22 is internally provided with a cutting blade 90 for cutting the remaining thread end after the suture 70 is knotted and fixed.
The cutting blade 90 is relatively sharp, the cutting blade 90 is hidden in the groove body 22, if the width of the groove body 22 is 2-5mm, when the medical suturing device is used, the fingers of medical staff cannot stretch into the groove body 22 to be contacted with the cutting blade 90, and the scratching condition is effectively avoided.
After the medical suturing device is used for fixing a medical catheter on the body surface or suturing a trauma, after medical staff ties and fixes the suture line 70 according to the suturing specification, the medical staff holds the thread end left on the surface of the skin by hand and holds the medical suturing device by the other hand, and the thread end is pulled and placed in the groove body 22 and is contacted with the sharp edge of the cutting blade 90, so that the cutting of the thread end is finished easily.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.