Straight head hemostatic forcepsTechnical field
The present invention relates to technical field of medical instruments, refer to especially a kind of straight head hemostatic forceps.
Background technology
Straight head hemostatic forceps is for superficial part hemostasis and the separate tissue of operative site, have tooth mosquito forceps be mainly used in tough tissue hemostasis, lift the part etc. of incision.
Existing straight head hemostatic forceps adopts metal material to make conventionally, is assembled by two calipers, between two calipers, is hinged by screw, and the posterior medial of two calipers is provided with the locking rack cooperatively interacting.Realizing by screw when hinged, the tightness of screw is difficult to hold, and while causing existing mosquito forceps to use, can have pine or tension phenomenon.In addition, in the time of grasping tissue or blood vessel, its occlusal edge, due to comparatively sharp-pointed, can cause shearing injury to tissue or blood vessel.The locking rack of straight head hemostatic forceps is mainly used in making straight head hemostatic forceps in locking state, the locking rack of the straight head hemostatic forceps using is at present generally clamp connection structure, only has a kind of locking degree, in use, due to the tissue of required clamping or blood vessel more or less, only exist a kind of straight head hemostatic forceps of locking degree often can not clamp and put in place.
Summary of the invention
Technical problem to be solved by this invention is: provide that a kind of degree of tightness is suitable, occlusal surface edge-smoothing and have the straight head hemostatic forceps of multiple locking degree.
For addressing the above problem, the technical solution used in the present invention is: straight head hemostatic forceps, comprise left caliper and the right caliper body made by macromolecular material, between left caliper and right caliper body, be hinged, articulated structure between described left caliper and right caliper body is: the middle part of left caliper is provided with draw-in groove, matches with draw-in groove in the middle part of right caliper body, on the draw-in groove outer wall of left caliper, is provided with pin-and-hole, on the middle part outer wall of right caliper body, be provided with bearing pin, bearing pin be arranged in pin-and-hole, realize hinged; The front end of left caliper and right caliper body is rectilinear undulatory occlusal surface, and occlusal edge is rounding off, the cambered surface that the front end outer wall of left caliper and right caliper body is rounding off.
The posterior medial of described left caliper and right caliper body is provided with the locking rack cooperatively interacting.
Described locking rack is made up of the right card that is placed in the left card of left caliper lower end and be placed in right caliper body lower end, and left card is evenly equipped with the lower tooth of arranged askew below, be evenly equipped with the upper tooth being meshed with the lower tooth of left card above right card.
The quantity of described upper tooth and lower tooth is corresponding, is three.
On the draw-in groove outer wall of described left caliper, only have one side to be provided with pin-and-hole, on the middle part outer wall of right caliper body, in the one side corresponding with pin-and-hole, be provided with bearing pin.
The invention has the beneficial effects as follows: above-mentioned straight head hemostatic forceps, it is simple in structure, with low cost, easy to use.It adopts macromolecular material, and mold injection mo(u)lding is made, between two calipers, realize by bearing pin and coordinating of pin-and-hole hinged, not only simple installation, and degree of tightness is suitable; In addition, the occlusal edge of this straight head hemostatic forceps is rounding off, thereby in the time of grasping tissue or blood vessel, can not cause shearing injury to tissue or blood vessel.The locking rack of this straight head hemostatic forceps has three tooth buttons, thereby has three kinds of locking degree, can select suitable locking degree according to the amount of the tissue of required clamping or blood vessel.
In addition, original straight head hemostatic forceps is owing to adopting metal material to make, and its color and luster, under operation light, easily reflectively causes eyes weakness, although mosquito forceps had been taked some measures in the past, as the processing of surperficial molybdenum color, high-grade head or afterbody carry out gold-plated processing; All cannot overcome gloss defect.The application's straight head hemostatic forceps adopts macromolecular material, can not have reflective phenomenon, has overcome above-mentioned defect.And the application's straight head hemostatic forceps is disposable apparatus, can prevent cross infection for aseptic packaging, improve human comfort simultaneously, reduce operating theater instruments to human injury, its mold injection molded, reduces costs, and economizes on resources and the energy.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of left caliper in Fig. 1;
Fig. 3 is the structural representation of right caliper body in Fig. 1;
In figure: 1, left caliper, 2, right caliper body, 3, draw-in groove, 4, pin-and-hole, 5, bearing pin, 6, occlusal surface, 7, left card, 8, right card, 9, lower tooth, 10, upper tooth.
Detailed description of the invention
Below by specific embodiment, straight head hemostatic forceps of the present invention is described in further detail.
As shown in Figure 1, straight head hemostatic forceps, comprise left caliper 1 and the right caliper body 2 made by macromolecular material, between left caliper 1 and right caliper body 2, be hinged, the articulated structure between described left caliper 1 and right caliper body 2 is: as shown in Figure 2 and Figure 3, the middle part of left caliper 1 is provided with draw-in groove 3, match with draw-in groove 3 in the middle part of right caliper body 2, on draw-in groove 3 outer walls of left caliper 1, be provided with pin-and-hole 4, on the middle part outer wall of right caliper body 2, be provided with bearing pin 5, bearing pin 5 be arranged in pin-and-hole 4, realize hinged; The front end of left caliper 1 and right caliper body 2 is rectilinear undulatory occlusal surface 6, and the edge of occlusal surface 6 is rounding off, the cambered surface that the front end outer wall of left caliper 1 and right caliper body 2 is rounding off.
The posterior medial of described left caliper 1 and right caliper body 2 is provided with the locking rack cooperatively interacting.Described locking rack is made up of the right card 8 that is placed in the left card 7 of left caliper 1 lower end and is placed in right caliper body 2 lower ends, and left card 7 is evenly equipped with the lower tooth 9 of arranged askew below, be evenly equipped with the upper tooth 10 being meshed with the lower tooth 9 of left card 7 above right card 8.In the present embodiment, described upper tooth 10 is corresponding with the quantity of lower tooth 9, is three.The quantity of upper tooth 10 and lower tooth 9 can be also multiple, thereby makes locking rack have multiple locking degree, all belongs to protection category of the present invention.
On draw-in groove 3 outer walls of described left caliper 1, only have one side to be provided with pin-and-hole 4, on the middle part outer wall of right caliper body 2, in the one side corresponding with pin-and-hole 4, be provided with bearing pin 5.Owing to only having one side to be provided with the cooperation of pin-and-hole 4 and bearing pin 5, make easy for installationly, resistance is little, and degree of tightness is suitable, more flexible.
Above-mentioned straight head hemostatic forceps, it is simple in structure, with low cost, easy to use.It adopts macromolecular material, and mold injection mo(u)lding is made, between two calipers, realize by bearing pin 5 and coordinating of pin-and-hole 4 hinged, not only simple installation, and degree of tightness is suitable; In addition, the edge of the occlusal surface 6 of this straight head hemostatic forceps is rounding off, thereby in the time of grasping tissue or blood vessel, can not cause shearing injury to tissue or blood vessel.The locking rack of this straight head hemostatic forceps has three tooth buttons, thereby has three kinds of locking degree, can select suitable locking degree according to the amount of the tissue of required clamping or blood vessel.
In addition, original straight head hemostatic forceps is owing to adopting metal material to make, and its color and luster, under operation light, easily reflectively causes eyes weakness, although mosquito forceps had been taked some measures in the past, as the processing of surperficial molybdenum color, high-grade head or afterbody carry out gold-plated processing; All cannot overcome gloss defect.The application's straight head hemostatic forceps adopts macromolecular material, can not have reflective phenomenon, has overcome above-mentioned defect.And the application's straight head hemostatic forceps is disposable apparatus, can prevent cross infection for aseptic packaging, improve human comfort simultaneously, reduce operating theater instruments to human injury, its mold injection molded, reduces costs, and economizes on resources and the energy.
The above embodiments are principle and effect thereof of illustrative the invention only, and the embodiment of part utilization, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.