Medical thread hooking structureTechnical Field
The invention relates to the technical field of medical instruments.
Background
The operation refers to a treatment such as excision and suture performed on a patient's body by a medical instrument, and is mainly performed by an operation performed on a part of the human body by an instrument such as a knife, scissors, or a needle, so as to maintain the health of the patient.
The wound of a patient needs to be sutured after surgical treatment, so that the wound is healed; when the wound is healed to the expected time, hospital personnel need to take the stitches of the patient; at present, in the process of removing stitches, medical staff needs to hook out and cut off a line body on a patient by using an auxiliary tool; the appurtenance that now commonly uses is the piece of gripping of taking the coupler body, can only hook out the line body through the coupler body, nevertheless does not have the structure spacing to the line body for the line body is easy to be followed the coupler body and is gone up the landing, leads to medical staff to need the repetitive operation, has increaseed medical staff's the work degree of difficulty.
Disclosure of Invention
The invention aims to provide a medical thread hooking structure, which aims to solve the problems that the prior hook body can only hook out a thread body, but does not have a structure for limiting the thread body, so that the thread body is easy to slide off the hook body, medical staff needs to operate repeatedly, and the working difficulty of the medical staff is increased.
In order to achieve the above object, the basic scheme of the invention is as follows: a medical thread hooking structure comprises a hook body and a rod body, wherein a rotating shaft is rotatably connected to the rod body, a first torsion spring is arranged between the rotating shaft and the rod body, and the hook body is fixed on the arc-shaped surface of the rotating shaft; the side wall of the hook body is provided with a bulge, and the bulge is provided with a groove; the free end of the bulge is provided with an elastic block; the side block is provided with a transverse hole, and the width of the transverse hole is smaller than that of the elastic block; the wire body limiting device further comprises a linkage part which limits the wire body along with the limiting of the elastic block.
The advantages of the basic scheme are:
1. according to the scheme, the hook body hooks the line body on the patient body, the driving part is utilized to drive the rotating shaft to rotate, and the first torsion spring deforms; the rotating shaft drives the hook body to rotate, and the hook body drives the protrusion and the elastic block to move towards the side block; meanwhile, the hook body drives the wire body to move into the groove; the hook body continues to rotate, the elastic block extends into the transverse hole, and the transverse hole is smaller than the elastic block in width, so that the elastic block can be limited through the transverse hole, and the protrusion and the hook are positioned; in addition, the line body can be limited by the linkage part; compared with the prior art, the novel cutting device has the advantages that hooking, moving and limiting of the line body can be achieved, cutting of the medical staff after the line body is positioned is facilitated, operation is simple and convenient, stability is high, work difficulty of the medical staff is reduced, and work efficiency of the medical staff is improved.
2. The utility model has the advantages of this scheme is to the spacing back of line body, just can stop the effort of drive division to the countershaft, and then avoids medical staff to continuously operate the drive division, has reduced medical staff's intensity of labour.
Further, the driving part comprises a fixed block fixedly connected with the rod body and a cavity arranged in the fixed block, the fixed block is provided with a through hole for fingers to pass through, the inner wall of the through hole is provided with a transverse groove communicated with the cavity, and the transverse groove is connected with a rack in a sliding manner; a circular shaft is rotatably connected in the cavity, a second torsion spring is arranged between the circular shaft and the cavity, and a gear meshed with the rack is arranged on the circular shaft; the rotating shaft is wound and fixedly connected with a thin rope, and the free end of the thin rope extends into the cavity and is fixedly connected with the round shaft.
Through the setting, medical staff stretches into the through-hole with the finger, presses the arc piece through the finger and moves right, and the arc piece drives the rack and slides right, and the rack drives the gear clockwise rotation, and then drives the round axle clockwise rotation, and the second torsional spring deformation.
The round shaft rotates clockwise to enable the thin rope to be wound on the round shaft, then the thin rope is pulled to move rightwards, the rotating shaft is driven by the thin rope to rotate clockwise, and the first torsion spring deforms.
Furthermore, a plurality of guide blocks are arranged on the rod body, and guide grooves for the strings to pass through are formed in the guide blocks.
Through the arrangement, in the movement process of the thin rope, the guide groove can guide the movement path of the thin rope.
Furthermore, an arc block is arranged on the rack and is positioned in the through hole.
Through the setting, replace the basis of rack and finger through the arc piece, increased the contact surface, make things convenient for the application of force of finger, avoided the rack to the concentrated effort of finger, improved the comfort of finger.
Further, the linkage part comprises a sliding groove formed in the protrusion and a limiting block sliding in the sliding groove and used for pressing the line body tightly, the sliding groove is communicated with the groove, and a spring is arranged between the limiting block and the sliding groove; the side wall of the limiting block is provided with a linkage block, and the side block is positioned on the motion trail of the linkage block.
Through the arrangement, the bulges and the elastic blocks move towards the direction of the side blocks when the elastic blocks extend into the transverse holes, and the side blocks are fixed on the rod body, so that the linkage blocks can be extruded by the side blocks to move towards the direction of the grooves along the path of the sliding grooves, and then the linkage blocks drive the limiting blocks to move towards the direction of the line body; when the elastic block is limited, the line body is compressed through the limiting block, so that the limiting of the line body is realized, and the movement of the line body is avoided.
Furthermore, a positioning block is arranged on the inner wall of the groove, and a storage groove for storing the wire body is arranged on the positioning block; and the free end of the limiting block is provided with a positioning groove used for being clamped with the positioning block.
Through the arrangement, the protrusions and the elastic blocks move towards the direction of the side blocks when the elastic blocks stretch into the transverse holes, and the side blocks are fixed on the rod body, so that the side blocks can extrude the linkage blocks to move towards the direction of the grooves along the path of the sliding grooves, and the linkage blocks drive the limiting blocks to move towards the direction of the positioning blocks; when the locating piece was connected with the locating slot joint, the arc piece offseted with the inner wall of through-hole, because the width in horizontal hole is less than the width of elastic block, can play spacing effect to the elastic block through horizontal hole, and then fixes a position arch, couple to, the inner wall through the inner wall of locating slot and hold up tank is tight to the line body this moment, and then realizes spacing to the line body, avoids the removal of the line body.
Furthermore, auxiliary grooves are symmetrically formed in one side, far away from the hook body, of the side block by taking the transverse hole as a center, and the auxiliary grooves are communicated with the transverse hole; the distance between the two auxiliary grooves is larger than the width of the transverse hole, and the distance between the two auxiliary grooves is not larger than the width of the elastic block.
Through the arrangement, the elastic block extends into the transverse hole, so that the free end of the elastic block passes through the transverse hole; because the width of the transverse hole is smaller than that of the elastic block, the part of the elastic block, which penetrates through the transverse hole, is restored under the action of the elastic block, namely the part of the elastic block, which penetrates through the transverse hole, is wider than that of the transverse hole, so that the part of the elastic block, which penetrates through the transverse hole, is blocked by the side block, the limiting effect on the elastic block is further enhanced, namely the limiting effect on the protrusion, the hook and the limiting block is enhanced, and the limiting effect on the line body is ensured; and, can also strengthen the spacing effect that passes horizontal hole part to the elasticity piece through two auxiliary grooves, improved the spacing stability to the elasticity piece.
Drawings
Fig. 1 is a partial sectional view in a front view of an embodiment of a medical thread structure according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 2 at B.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the hook comprises ahook body 1, a rod body 2, a rotating shaft 3, aprotrusion 4, agroove 5, an elastic block 6, a transverse hole 7, a fixing block 8, a through hole 9, a rack 10, a gear 11, a string 12, a guide groove 13, an arc-shaped block 14, alimiting block 15, aspring 16, alinkage block 17, apositioning block 18, astorage groove 19, apositioning groove 20 and anauxiliary groove 21.
Examples
Substantially as shown in figures 1, 2 and 3: a medical thread hooking structure comprises ahook body 1 and a rod body 2, wherein the left end of the rod body 2 is rotatably connected with a rotating shaft 3, a first torsion spring is fixedly connected between the rotating shaft 3 and the rod body 2, and thehook body 1 is fixed on the arc-shaped surface of the rotating shaft 3; abulge 4 is fixedly connected to the right side wall of thehook body 1, agroove 5 is vertically formed in thebulge 4, and thegroove 5 is attached to thehook body 1; the free end of thebulge 4 is bonded with an elastic block 6, and in the embodiment, the elastic block 6 is made of rubber materials.
The rod body 2 is provided with a side block and a driving part for driving the rotating shaft 3 to rotate, the side block is positioned on the right side of thehook body 1, the side block is provided with a transverse hole 7, and the width of the transverse hole 7 is smaller than that of the elastic block 6. The driving part comprises a fixed block 8 fixedly connected with the rod body 2 and a cavity arranged in the fixed block 8, the fixed block 8 is provided with a through hole 9 for fingers to pass through, the inner wall of the through hole 9 is provided with a transverse groove communicated with the cavity, a rack 10 is connected in the transverse groove in a sliding manner, the left end of the rack 10 is fixedly connected with an arc-shaped block 14, and the arc-shaped block 14 is positioned in the through hole 9; a round shaft is rotatably connected in the cavity, a second torsion spring is fixedly connected between the round shaft and the cavity, a gear 11 meshed with the rack 10 is fixedly connected on the round shaft, and the gear 11 is positioned below the rack 10; the rotating shaft 3 is wound and fixedly connected with a thin rope 12, and the free end of the thin rope 12 extends into the cavity and is fixedly connected with the round shaft. A plurality of guide blocks are fixedly connected to the rod body 2, and guide grooves 13 for the thin ropes 12 to pass through are formed in the guide blocks.
The linkage part is used for limiting the line body along with the limiting of the elastic block 6, the linkage part comprises a sliding groove formed in theprotrusion 4 and a limitingblock 15 sliding in the sliding groove and used for pressing the line body tightly, the sliding groove is communicated with thegroove 5, and aspring 16 is fixedly connected between the limitingblock 15 and the sliding groove; the side wall of the limitingblock 15 is fixedly connected with alinkage block 17, and the side block is positioned on the motion track of thelinkage block 17.
Apositioning block 18 is fixedly connected to the inner wall of thegroove 5, thepositioning block 18 is triangular, and astorage groove 19 for storing a wire body is formed in thepositioning block 18; the free end of the limitingblock 15 is provided with apositioning groove 20 used for being clamped with thepositioning block 18, and thepositioning groove 20 is triangular.
The specific implementation process is as follows:
the medical staff stretches fingers into the through hole 9 and hooks thehook body 1 with the line body of the patient; the arc-shaped block 14 is pressed by fingers to move rightwards, the arc-shaped block 14 drives the rack 10 to slide rightwards, the rack 10 drives the gear 11 to rotate clockwise, and then the circular shaft is driven to rotate clockwise, and the second torsion spring deforms.
The round shaft rotates clockwise to enable the thin rope 12 to be wound on the round shaft, so that the thin rope 12 is pulled to move rightwards along the path of the guide groove 13, the thin rope 12 drives the rotating shaft 3 to rotate clockwise, and the first torsion spring deforms; the rotating shaft 3 drives thehook body 1 to rotate clockwise, so that thehook body 1 drives the lug and the elastic block 6 to move towards the side block; meanwhile, thehook body 1 drives the wire body to move into thegroove 5 first, and the wire body moves downwards and finally moves into thestorage tank 19; the rotation of the shaft 3 is continued so that the elastic block 6 is pressed into the transverse hole 7.
When the elastic block 6 extends into the transverse hole 7, theprotrusion 4 and the elastic block 6 move towards the side block, and the side block is fixed on the rod body 2, so that the side block can extrude thelinkage block 17 to move towards thegroove 5 along the path of the sliding groove, and thelinkage block 17 drives thelimiting block 15 to move towards thepositioning block 18; when thepositioning block 18 is clamped with thepositioning groove 20, the arc-shaped block 14 abuts against the inner wall of the through hole 9, the width of the transverse hole 7 is smaller than that of the elastic block 6, the elastic block 6 is in interference fit with the transverse hole 7, the elastic block 6 can be limited through the transverse hole 7, and then theprotrusion 4 and the hook are positioned, and the wire body is clamped tightly through the inner wall of thepositioning groove 20 and the inner wall of thestorage groove 19, so that the wire body is surrounded in thestorage groove 19 through the inner wall of thepositioning groove 20, the limitation on the wire body is realized, and the movement of the wire body is avoided; therefore, the scheme can realize hooking, moving and limiting of the line body only by pressing the arc top block, so that the cutting of the medical staff after positioning the line body is facilitated, the operation is simple and convenient, the stability is high, the work difficulty of the medical staff is reduced, and the work efficiency of the medical staff is improved. In addition, in the embodiment, after the wire body is limited, the medical staff can release the pressing force of the fingers on the arc-shaped block 14, so that the medical staff is prevented from continuously pressing, and the labor intensity of the medical staff is reduced.
In the embodiment, the right side of the side block is symmetrically provided withauxiliary grooves 21 by taking the transverse hole 7 as a center, and theauxiliary grooves 21 are communicated with the transverse hole 7; the distance between the twoauxiliary grooves 21 is larger than the width of the transverse hole 7, and the distance between the twoauxiliary grooves 21 is consistent with the width of the elastic block 6; the length of the transverse hole 7 is less than that of the elastic block 6; the elastic block 6 extends into the transverse hole 7 so that the free end of the elastic block 6 passes through the transverse hole 7; because the width of the transverse hole 7 is smaller than that of the elastic block 6, the part of the elastic block 6, which penetrates through the transverse hole 7, is restored under the action of the elastic block 6, namely the width of the part of the elastic block 6, which penetrates through the transverse hole 7, is larger than that of the transverse hole 7, so that the part of the elastic block 6, which penetrates through the transverse hole 7, is blocked by the side block, the limiting effect on the elastic block 6 is further enhanced, namely the limiting effect on theprotrusion 4, the hook and the limitingblock 15 is enhanced, and the limiting effect on the wire body is ensured; in addition, the limiting effect of the elastic block 6 passing through the transverse hole 7 can be enhanced through the twoauxiliary grooves 21, and the stability of limiting the elastic block 6 is improved.
The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.