Disposable circumcision anastomat
Technical field
The present invention relates to a kind of prepuce ring-cutter, refer in particular to and to realize compensating roller lock solid structure.
Background technology
Adult's Wrapping annulus cuts operation is extensively approved in the effect that reduces the HIV propagation, the disposable circumcision anastomat of Mr. Shang Jianzhong design, employing is provided with the closed lock solid structure of type self-destroyed clamping block at the outer shroud opening part, the apparatus that efficiently solves the screw connection of traditional prepuce ring-cutter tool use screw rod and cause is reused problem, has improved the safety and the standardization of Wrapping annulus cuts operation greatly.
But widely used type self-destroyed clamping block formula is identical with the screw rod screw closed manners of transmission at present, all belongs to one-time positioning formula closing device, and apparatus is subdivided into different models according to the size of ring.In the operation implementation process, according to measurement result, selects different apparatuses, after local anesthesia was carried out at the corrective surgery position, the cover upper inner ring was turned up foreskin, adjust the position of inner and outer ring after, closed outer shroud is finished the action that go up to encircle of prepuce ring-cutter.Because there are differences between each individuality, even identical measurement result, the skin histology thin and thick difference of every patient's foreskin, every patient is also different to the tolerance degree of pain, like this, use the girdling device of same model, but can't take into account everyone individual variation.
In addition, finish above-mentioned on the ring step after, wanting earlier, the foreskin that the patient is unnecessary falls major part by excision, the patient is by wearing prepuce ring-cutter in many days, pressuring action by prepuce ring-cutter, make the remaining unnecessary foreskin of fraction come off voluntarily, and the position that prepuce ring-cutter compresses rebulid new circulative metabolism and obtains to recover.It is few that this kind therapeutic modality, the recovery process of foreskin need not anaesthetic, antibiolics, pain, the postoperative effect smooth and beautiful appearance.But, still need operation to finish local excision.
In above-mentioned whole therapeutic process, the tightness of outer shroud is only once determined by installation process, can't take into account the individual diversity abnormity, and in the middle of operation, can not regulate the degree of tightness of outer shroud again, the pain that produces if take place extruding property edema or patient can't tolerate the compressing of girdling device still needs extraneous auxiliary treatment even following ring midway.
So, how to improve the different crowd suitability of prepuce ring-cutter and wear level of comfort, and the real operation Wicresoft that realizes, be to be worth inquiring into, at the demand that exists in the prior art, Mr. Shang Jianzhong research has also designed the aperture closure of taking into account locked mechanism and adjustment structure, introduces in detail below in conjunction with accompanying drawing and explanation.
Summary of the invention
The present invention is directed to the requirement of existing Wrapping annulus cuts operation, a kind of novel disposable circumcision anastomat is provided, fundamentally change the modus operandi that Wrapping annulus cuts operation is operated on.
The technical solution used in the present invention is: disposable circumcision anastomat, outer shroud has opening, the two ends of outer ring opening have the first half edge of a knife junction and the Lower Half edge of a knife junction of mutual coupling, its emphasis improves and is: the outer ring opening left side is provided with tooth bar, and the right side is provided with the unidirectional swing pinion that matches with tooth bar.
Described unidirectional swing pinion, comprise the internal fixation axle and and the external tooth torus, the external gear ring set is located at the internal fixation axle outside, on the external tooth torus inwall caulking groove is set;
Offer socket on the internal fixation axle outer wall, be placed with elastomer and active fastening block in the socket, this active fastening block outer end shape and caulking groove form fit;
Active fastening block is placed in the caulking groove, or is subjected to internal fixation axle outer wall extruding force, and compresses elastomeric is placed in the socket.
The internal fixation axle comprises first stiff end, second stiff end and locking part, center, and this first stiff end, second stiff end and locking part, center all have the keyhole through hole, and the three wears through hole by the locking key and is connected to integral body, and forms fixing.
It is pointed that the shape of this caulking groove shape and active fastening block is crescent moon, and to lopsidedness.
Described elastomer is spring, block rubber.
Latch on the rack and pinion is parallel with the outer shroud ring wall.
The vertically vertical outer shroud ring wall of tooth on tooth bar and the gear or with the vertical oblique of outer shroud ring wall.
The opening right side is provided with for the ccontaining groove of tooth bar.
Have the double-pole mouth on the outer shroud, the back, first half edge of a knife joint portion of two edges of a knife links to each other, and tooth bar is set on it, is formed with the groove of ccontaining tooth bar between the Lower Half edge of a knife junction of the corresponding opening other end.
The invention has the beneficial effects as follows: by the closed adjustment structure of wheel and rack cooperation, can be according to the practical situation of different operators, for example, every patient's skin of foreskin is organized the difference of different and every the patient of thin and thick to the tolerance degree of pain, the tightness when suitably ring is gone up in appropriateness control.Then, can tolerate the degree that compresses of ring, the different times in operation, the size of progressively dwindling ring gradually according to human skin tissue.Like this, in the process that compresses gradually of outer shroud, the outer unnecessary foreskin of ring is downright bad naturally gradually.Because in the operation process, human body is incremental tolerance to the pain that outer shroud compresses generation, can be according to everyone tolerance degree, select a good opportunity and adjust or the size of the uncomfortable domain, make Wrapping annulus cuts operation hommization more, effectively reduce patient's uncomfortable degree, improve the acceptance of this operation.
Description of drawings
Fig. 1 to Fig. 4 adopts the axonometric chart of gear closed manners for anastomat for circumcision of the present invention.
Fig. 5 adopts the front view of gear closed manners for anastomat for circumcision of the present invention.
Fig. 6 adopts the vertical view of gear closed manners for anastomat for circumcision of the present invention.
Fig. 7 adopts the upward view of gear closed manners for anastomat for circumcision of the present invention.
Fig. 8 adopts the rearview of gear closed manners for anastomat for circumcision of the present invention.
Fig. 9 adopts the side view of gear closed manners for anastomat for circumcision of the present invention.
Figure 10 is the cutaway view along A-A direction among Fig. 9.
Figure 11 is one of structure for amplifying sketch map of ratchet.
Figure 12 be ratchet the structure for amplifying sketch map two.
Figure 13 is the front view of ratchet.
Figure 14 is the cutaway view of Figure 13 along the B-B direction.
Figure 15 is the cutaway view of Figure 13 along the C-C direction.
Figure 16 is the structural representation of locking key.
Figure 17 is the sketch map of the another kind of embodiment of gear and tooth bar.
The specific embodiment
Disposable circumcision anastomat of the present invention, wherein, outer shroud has opening, and the outer wall inboard of outer shroud is provided with edge of a knife structure, and outer shroud adopts whole C type structure or divides body structure.As shown in Figures 1 to 4, outer shroud comprises left semi-ring 1 and right semi-ring 2, left end at outer ring opening is provided with tooth bar 3, the other end is provided with the unidirectional swing pinion 4 that matches with tooth bar 3, these unidirectional swing pinion 4 bottom sides are provided with groove 5, and gear 4 rotations are with tooth bar 3 progressive interlocks, tooth bar 3 is pressed against gear 4 lower ends, is placed in groove 5 inside.
Gear is unidirectional rotation, and its purpose is effectively to prevent the repeated use of apparatus, improves the firm performance of closing structure.Fig. 9 to Figure 16 is the detailed structure sketch map of ratchet, and this ratchet 4 comprises internal fixation axle 41 and external tooth torus 42.Wherein, internal fixation axle 41 comprises first stiff end 411, second stiff end 412 and locking part, center 413, this first stiff end 411, second stiff end 412 and locking part, center 413 all have keyhole through hole 414, three parts are arranged in the through hole 414 by locking key 43 and are connected to integral body, and form fixed structure.First stiff end 411 and second stiff end 412 are fixed on the outer shroud, offer socket 414 on the outer wall of locking part, center 413, be placed with elastic block rubber 415 and active fastening block 416 in this socket 414, it is pointed that the outer end of this active fastening block 416 is crescent moon, to lopsidedness.Described, external tooth torus 42 outer walls are evenly laid latch 421, and inwall is provided with some caulking grooves 422, and it is pointed that caulking groove 422 is crescent moon, and to lopsidedness (clockwise among the figure).External tooth torus 42 can be rotated in a clockwise direction, and external tooth torus 42 inwalls extruding active fastening block 416 compressing elastic block rubbers 412 dwindle, and make active fastening block resist in socket 414, when active fastening block 416 and caulking groove 422 intersect, because its incline direction is identical.So when continuing to apply external force, caulking groove 422 is very easy to break away from the restriction of active fastening block 416, continues to slide clockwise.This design has ensured the unidirectional rotation of external tooth torus, after the opening closure, prevents its reverse opening, has avoided the use repeatedly of this medical apparatus and instruments, has guaranteed the safe in utilization of user.
Disposable circumcision anastomat of the present invention, extremely shown in Figure 8 as Fig. 5, outer shroud 1 adopts and divides body structure, comprise left semi-ring 1 and right semi-ring 2, the opening of left side semi-ring 1 edge of a knife has first half edge of a knife junction 11, and this first half edge of a knife junction 11 comprises along the edge of a knife from caving in, be thinner than the adjacent edge of a knife outside to inside.The opening of right semi-ring 2 edges of a knife has Lower Half edge of a knife junction 21, and this Lower Half edge of a knife junction 21 comprises along the edge of a knife caves in, is thinner than the adjacent edge of a knife from inside to outside.When opening is closed, the depressed part of first half edge of a knife junction 11 and Lower Half edge of a knife junction 21 mates the complete edge of a knife structure of formation mutually, the edge of this first half edge of a knife junction 11 and Lower Half edge of a knife junction 21 can be fillet, corner or oblique angle, press from both sides meat in the process that above-mentioned staggered floor construction is up and down avoided encircling, and complete edge of a knife structure makes postoperative effect very attractive in appearance.
And above-mentioned tooth bar can be arranged on the ring wall of outer shroud, also can be set directly at the dorsal part of first half edge of a knife junction, and the length of tooth bar can be concordant with the edge of a knife junction of outer shroud or slightly be longer than edge of a knife junction.Gear is arranged on the ring wall of outer shroud or the back of the body end of Lower Half edge of a knife junction, and Lower Half edge of a knife junction will protrude in the outer end of gear.See also shown in Figure 10, after first half edge of a knife junction 11 and Lower Half edge of a knife junction 12 overlapped closures, tooth bar 3 embeds groove 5 inside, and transmitting gear makes the edge of a knife close, and the progressive closure by wheel and rack, make that the tightness of outer shroud is adjustable.
In addition, the present invention can also adopt the double-pole mouth structure, connect as one between the first half edge of a knife junction of two edges of a knife, the back of this connecting portion is provided with tooth bar, and the groove that is complementary with tooth bar is set between the Lower Half edge of a knife junction of two edges of a knife of practising physiognomy, such design promptly can be finished meshing, and outward appearance is elegant in appearance again.
Moreover in the various embodiments described above, the tooth on the rack and pinion is parallel with the outer shroud ring wall.In actual use, tooth bar and gear also can be vertical with the outer shroud ring wall or this tilt to intersect, as shown in figure 17, gear centre is vertical with outer shroud ring arm, latch on the gear and tooth bar with outer shroud ring arm oblique, can reach closed outer ring opening equally and regulate the effect of outer shroud degree of tightness.
In sum, by the closed adjustment structure that wheel and rack cooperates, can be according to the practical situation of different operators, for example, every patient's skin of foreskin is organized the difference of different and every the patient of thin and thick to the tolerance degree of pain, the tightness when suitably ring is gone up in appropriateness control.Then, can tolerate the degree that compresses of ring, the different times in operation, the size of progressively dwindling ring gradually according to human skin tissue.Like this, in the process that compresses gradually of outer shroud, the outer unnecessary foreskin of ring is downright bad naturally gradually.Because in the operation process, human body is incremental tolerance to the pain that outer shroud compresses generation, can be according to everyone tolerance degree, select a good opportunity and adjust or the size of the uncomfortable domain, make Wrapping annulus cuts operation hommization more, effectively reduce patient's uncomfortable degree, improve the acceptance of this operation.Simultaneously, see also shown in Figure 5ly, the outer shroud edge of a knife evenly is provided with some drainage troughs 6, can further alleviate edema.