CN202776425U - Round purse-string forceps capable of suturing purse-string - Google Patents
Round purse-string forceps capable of suturing purse-string Download PDFInfo
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- CN202776425U CN202776425U CN 201220475209 CN201220475209U CN202776425U CN 202776425 U CN202776425 U CN 202776425U CN 201220475209 CN201220475209 CN 201220475209 CN 201220475209 U CN201220475209 U CN 201220475209U CN 202776425 U CN202776425 U CN 202776425U
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Abstract
The utility model relates to round purse-string forceps capable of suturing purse-string. The round purse-string forceps comprise a fixed forceps body, a movable forceps body and a suture needle component, wherein the fixed forceps body comprises a fixed handle and a fixed head part, and one side of the fixed head part is provided with an arc tooth-shaped flange; the movable forceps body comprises a handle part, a fork part and an arc head part, the arc head part is provided with a tooth-shaped structure which can be closed with the fixed head part, the rear end of the fork part is fixedly connected with the handle part, and two front ends of the fork part are respectively and fixedly connected with two ends of the arc head part; the fixed handle of the fixed forceps body passes through the fork part of the movable forceps body, and is connected with the fork part in a rotating way through a fixed pin; the fixed head part of the fixed forceps body and the arc head part of the movable forceps body are closed to form the head part of the purse-string forceps, and an annular suture needle runner is arranged in the head part; and the suture needle component is arranged in the annular suture needle runner. The round purse-string forceps can guarantee proper texture at the purse-string position, and can automatically, conveniently and reliably suture purse-string.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of circular purse string clamp that can automatically play pocket.
Background technology
In surgical operation, since the sixties in 20th century utility model first staple series products, Medical stapler has become requisite a kind of medical apparatus and instruments in the auxiliary edge of a knife sewing process.
Along with the development of medical science and the research and development of medical device product, increasing staple series products is applied to clinical.The scope of application of this series products has related to the fields such as gastrointestinal surgery, Genneral Surgery, thoracic surgery, Urology Surgery, department of obstetrics and gynecology, becomes one of requisite instrument of doctor.The application of such instrument has the advantage that intraoperative hemorrhage is less, operating time is short for the patient, and replaces can reducing error, the infection that causes owing to manual by hand with apparatus, thereby makes patient's post-operative recovery faster.
The doctor often operates with tube type anastomat when doing the digestive tract end to end anastomosis.Before coincideing, must at one end carry out the nail supporting base that purse string suture is implanted tube type anastomat to tissue, so that then firmly ligation after inserting center-pole could implement to organize anastomosis operation.At present a lot of doctors are manual suture pockets, can't guarantee so whether the amount of pocket place tissue is suitable, if residual tissue too much can cause anastomat to pull the trigger unsuccessfully; If very few, have the risk of fistula after then coincideing.Therefore, in use, what the doctor was more and more many sews up pocket with purse-string forceps, and the quality of this apparatus performance directly affects the operation process, plays very important effect for surgical effect.
The actual purse-string forceps that uses mainly contains two types at present, and a kind of is the manual purse-string forceps of linear type all-metal, and another kind is the automatic purse-string forceps of linear type staple formula.
For the manual purse-string forceps of linear type, need to there be the suture needle of suture to pass the organized jaw of folder with a foot section brought and carries out manual purse string suture.First tissue is clamped with jaw during operation, then lock notch, clamped and some tissue of tissue meeting nature is clamp-oned in the notch space, penetrate the top circular hole of purse-string forceps in from the suture needle with an afterbody band wire of an end of purse-string forceps this moment, extract from opposite side, then pin turns around, in the bottom circular hole of purse-string forceps, pass again, at last in two the termination knottings of a side with purse wire, this purse-string forceps length that needs at least to be equivalent to twice just can be finished the operation (working place that the pin needs are very large) of operation, yet the operative site that is limited to for positions such as rectum resection or esophagus excisions, playing pocket with this kind purse-string forceps can't finish operation or have great operation risk, owing to there is not good surgical field of view, it is again manual suture needle, be easy to hurt other adjacent histoorgans, have huge operation risk.
Another kind is the automatic purse-string forceps of linear type staple formula, first tissue is clamped with jaw during operation, then locks notch, and clamped and some tissue of tissue meeting nature is clamp-oned in the notch space.Staple is pressed purse wire organizationally simultaneously, and unclamp notch this moment, lifts apparatus, and purse wire can propose a segment length (the long stitching thread of 600mm can be stored in the built-in line storehouse of apparatus) with apparatus along the track that staple is followed closely out and then play pocket.The operative site that this apparatus is limited to for positions such as rectum resection or esophagus excisions, have very large shortcoming: at first purse wire can only lift along the organ-tissue cross section, so just requiring to have suitable working place, otherwise being easy to oblique loading breaks away from staple and tissue, cause beating the pocket failure, and concerning the position of limited location, suitable working place exactly can not be arranged, so the risk of performing an operation at this kind position is very big; Secondly, excessive because of lifting power, may cause staple to fall in the human body, because position limitation and staple are very little, be not easy to find the staple that drops finally may cause staple to be stayed in the body, may bring the life threat to patient.
This shows that existing purse-string forceps exists obvious defective and deficiency, how to found a kind of real one of the current important research and development problem that belongs to of purse-string suture device that can automatically, conveniently, reliably play in the operation narrow positions pocket.
The utility model content
The technical problems to be solved in the utility model provides a kind of circular purse string clamp that can automatically play pocket, make it be limited to the position when performing the operation for positions such as rectum resection or esophagus excisions, can play automatically, conveniently, reliably pocket, thereby overcome the deficiencies in the prior art.
For solving the problems of the technologies described above, a kind of circular purse string clamp that can automatically play pocket of this utility model comprises fixed caliper, moving caliper and suture needle assembly, and wherein: fixed caliper comprises fixed handle and fixing head, and fixing head one side is provided with the arc toothed edge; Moving caliper comprises handle portion, fork-shaped section and arc-shaped head, arc-shaped head be provided with can with the dentalation of fixing head closure, fork-shaped section rear end is fixedly connected with handle portion, two front ends of fork-shaped section are fixedly connected with the two ends of arc-shaped head respectively; The fixed handle of fixed caliper passes the fork-shaped section of moving caliper, and is rotatably connected by steady pin, is provided with annular suture needle chute in the closed purse-string forceps head that forms of the fixing head of fixed caliper and the arc-shaped head of moving caliper; The suture needle assembly is installed in the described annular suture needle chute.
As further improvement of the utility model, the inside and outside Curved seaming needle that described suture needle assembly comprises slide block and is fixedly connected with slide block, described annular suture needle chute is inside and outside suture needle chute in corresponding section with dentalation, is the slide block chute in other section.
In the fixing head of described fixed caliper, be provided with wire casing and thimble baffle plate at an end place of dentalation, be equipped with absorbable suture in the wire casing, the suture termination is connected with needle guard by the through hole in the fixing head.
Described wire casing notch place is provided with slot, and the wire casing baffle plate of sealing wire casing is installed in the slot.
Be provided with the kinking duct in the described wire casing.
Each forms the fixing head of described fixed caliper and the arc-shaped head of moving caliper by forward and backward two, and annular suture needle chute namely is arranged between forward and backward two.
The front surface of described fixed caliper anter also is fixedly connected with lamina tecti, and described fixed caliper rear panel is extended with bent frame to rear side, and the trailing edge of bent frame is fixedly connected with head base plate, and the bent frame two ends are fixedly connected with baffle head.
All be bolted to connection between described fixing head anter and the fixing head rear panel, between fixing head rear panel and the head base plate and between forward and backward of moving caliper arc-shaped head, and be provided with corresponding arc convex and groove.
There is sleeve in the handle portion outside of described moving caliper also cover, the longitudinal separation of fork-shaped section is 8-20mm, the angle that arc-shaped head is corresponding is not more than 180 °, and the arc-shaped head closure of the fixing head of fixed caliper and moving caliper is full circle shape, and this circular diameter is between 30-80mm.
The handgrip section correspondence of the fixed handle of described fixed caliper and moving caliper is provided with jaw locking hook.
After adopting above-mentioned design, this utility model compared with prior art has following beneficial effect: the automatic purse-string forceps of this circle is applicable to the narrow operative site that the positions such as rectum resection or esophagus excision are limited to, can guarantee that pocket place tissue is an amount of, automatically, conveniently, reliably play pocket.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding this utility model, the utility model is described in further detail below in conjunction with accompanying drawing and the specific embodiment.
Fig. 1 is the structural representation that this utility model can be beaten the circular purse string clamp of pocket automatically.
Fig. 2 is the decomposition texture sketch map that this utility model can be beaten the circular purse string clamp of pocket automatically.
Fig. 3 is the decomposition texture sketch map of fixed caliper part of the present utility model.
Fig. 4 is the decomposition texture sketch map of moving caliper part of the present utility model.
Fig. 5 be the suture needle of this utility model jaw closed insert needle guard structural representation.
Fig. 6 is the structural representation of suture needle assembly of the present utility model.
The specific embodiment
See also Fig. 1, shown in Figure 2, a kind of circular purse string clamp that can automatically play pocket of this utility model comprises fixed caliper 1, moving caliper 2 and suture needle assembly 3.Below for clear product structure of the present utility model described, in Fig. 1 the right side as the front side, head, describe take the left side as rear side, afterbody.
Wherein, please cooperate and consult shown in Figure 3ly, fixed caliper 1 comprises fixed handle 11 and fixing head, and fixing head one side is provided with the arc toothed edge.
Specifically, fixing head is mainly assembled by bolt by fixed caliper anter 12, fixed caliper rear panel 13, lamina tecti 14, head base plate 15 and baffle head 16.Wherein, a side of fixed caliper rear panel 13 and fixed caliper anter 12 is the arc toothed edge, and the angle that dentalation is corresponding is not more than 180 °, forms annular suture needle chute between fixed caliper rear panel 13 and the fixed caliper anter 12.Lamina tecti 14 is fan-shaped, is installed in fixed caliper anter 12 front surfaces, and is corresponding with the part of non-dentalation.Fixed caliper rear panel 13 is extended bent frame to rear side, and head base plate 15 is semicircle or mostly circular, is installed in the bent frame trailing edge of fixed caliper rear panel 13, and is corresponding with the part of non-dentalation.Baffle head 16 is installed in the bent frame two ends of fixed caliper rear panel 13, cooperates the rear space of sealing fixed caliper rear panel 13 non-tooth-like parts of anything with head base plate 15.
In addition, in the fixing head of fixed caliper 1 (for example on the fixed caliper rear panel 13), be provided with wire casing 17 and thimble baffle plate 18 at an end place of dentalation.Be equipped with absorbable suture in the wire casing 17, the notch place of wire casing 17 is provided with slot, and the wire casing baffle plate 19 of sealing wire casing 17 is installed in the slot.
Please cooperate consult shown in Figure 4, moving caliper 2 comprises handle portion 21, fork-shaped section 22 and arc-shaped head 23, wherein, arc-shaped head 23 is corresponding with the toothed edge of the fixing head of fixed caliper 1, and be provided with can with the dentalation of fixing head closure, the rear end of fork-shaped section 22 is fixedly connected with handle portion 21, and two front ends of fork-shaped section 22 are fixedly connected with the two ends of arc-shaped head 23 respectively.
Specifically, handle portion 21 outsides can utilize the interference fit cover that sleeve 24 is arranged.The arc-shaped head 23 of moving caliper 2 also can assemble by bolt by forward and backward, is provided with the Curved seaming needle chute between forward and backward.Fork-shaped section hollow structure has enough spaces, so as when operation shears cut off tissue.
Better, be equipped with corresponding arc convex and groove between fixed caliper anter 12 and the fixed caliper rear panel 13, between fixed caliper rear panel 13 and the head base plate 15 and between forward and backward of moving caliper 2 arc-shaped heads 23, to guarantee the precision of link position, improve packaging efficiency.
The fixed handle 11 of fixed caliper 1 passes the fork-shaped section 22 of moving caliper 2, and is rotatably connected by steady pin 25, also can be provided with jaw locking hook 26 at the fixed handle 11 of fixed caliper 1 and handgrip section 21 correspondences of moving caliper 2.The jaw locking hook 26 L-type barbs that can be as shown in Figure 4, when pressing down the handle portion 21 of moving caliper 2, two L-type barbs are hooked in together mutually, and the arc-shaped head of the fixing head of fixed caliper 1 and moving caliper 2 is closed and locked.If unclamp moving caliper, must guarantee that suture needle gets back to initial position, then the handle portion 21 at moving caliper 2 applies certain side force, and the L-type barb is thrown off mutually, and jaw is opened.
Please cooperate consult shown in Figure 5, the arc-shaped head closure of the fixing head of fixed caliper 1 and moving caliper 2 is full circle shape, this circular diameter has complete annular suture needle chute in the head of the purse-string forceps after the closure between 30-80mm, suture needle assembly 3 namely is installed in the annular suture needle chute.
Please cooperate consult shown in Figure 6, suture needle assembly 3 comprises interior suture needle 32 and the outer suture needle 33 that needle stand slide block 31 and an end insert needle stand slide block 31 and lock by screw, needle stand slide block 31 is a circular arc piece, the needle body of inside and outside suture needle is arc, the needle body cross section is the circle of 0.6-3mm, and head is taper and is provided with barb.
Corresponding, please cooperate and consult Fig. 5, shown in Figure 6, annular suture needle chute is two thin and be parallel to each other inside and outside suture needle chutes in corresponding section with dentalation, then is a wider slide block chute in the corresponding section of non-dentalation.And also answer accommodating two sutures in the wire casing 17, the suture termination is connected with interior needle guard 34, outer needle guard 35 respectively by the through hole in the fixing head.Inside and outside needle guard inner hollow, suitable with the diameter of section of inside and outside needle body, there is chamfering at the edge, is inverted cone, and slotted head is so that syringe needle inserts smoothly.Also can be provided with changeover portion between connecting needle and the needle body, form obvious boss in order to tangle the needle guard slotted head at changeover portion place syringe needle, after syringe needle is rotated in place, can clamp-on in the needle guard, hook needle guard, needle guard can be brought back.
The initial position of suture needle is positioned at an end of purse-string forceps head dentalation, and needle guard is positioned at the other end, and the needle guard afterbody is connected with suture and leans against on the thimble baffle plate 18, and suture is wrapped in the wire casing 17 by the duct that is arranged on fixed caliper rear panel 13.Suture needle is passed the tissue that is clipped between fixed caliper 1 and the moving caliper 2 along annular suture needle chute, moves to the needle guard place, and syringe needle inserts needle guard, afterwards backward rotation suture needle, and the barb of suture needle is taken back needle guard, makes suture pass tissue.
During use, first jaw locking hook 26 is opened, needs are beaten the intestinal position of pocket and put into the jaw place, the handle portion 21 of closed moving caliper 2 blocks jaw locking hook 26, keeps the closed and locked state of purse-string forceps, makes intestinal tissue keep compressive state.
The suture needle 32,33 that promotes on the needle stand slide block 31 is moved in annular suture needle chute, the tissue in the jaw gap is pierced through in suture needle, when needle point rotates to the needle guard place of the other end of chute, syringe needle inserts needle guard and blocks by barb, the while syringe needle can promote needle guard and lean against on the thimble baffle plate 18, to guarantee that syringe needle put in place with being connected of needle guard.
Afterwards, reverse mobile needle stand slide block 31, needle guard is taken back in suture needle, and the part through the jaw closure makes the suture of needle guard afterbody pass tissue.Moved to by suture needle in the process of jaw another side at needle guard, needle guard and back-connected suture thereof pass the tissue of being stepped up, and two purse wires pass from the both sides of tissue respectively, because the profile of tooth effect of jaw makes one section one section of purse wire pass tissue.Behind about 1/2nd circumference of revolution, the seismaesthesia that hand has hook to block, at this moment suture needle assembly 3 is got back to initial position.
At last, open jaw locking hook 26, pull purse-string forceps, seam money is released, when enough times spent of the line of emitting, cut off the both sides suture, take out purse-string forceps, two side stretching sutures, adjust the position, the head of anastomat is placed in the tissue tension both sides suture, suture is tied up on the center-pole of circular anastomosis device head and manually fasten, play pocket and finish.
This circle automatically purse-string forceps is applicable to the narrow operative site that the positions such as rectum resection or esophagus excision are limited to, and also can be used for the operation at other position of working place spaciousness.
The above; it only is preferred embodiment of the present utility model; be not that this utility model is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in the protection domain of the present utility model.
Claims (10)
1. the circular purse string clamp that can automatically play pocket is characterized in that comprising fixed caliper, moving caliper and suture needle assembly, wherein:
Fixed caliper comprises fixed handle and fixing head, and fixing head one side is provided with the arc toothed edge;
Moving caliper comprises handle portion, fork-shaped section and arc-shaped head, arc-shaped head be provided with can with the dentalation of fixing head closure, fork-shaped section rear end is fixedly connected with handle portion, two front ends of fork-shaped section are fixedly connected with the two ends of arc-shaped head respectively;
The fixed handle of fixed caliper passes the fork-shaped section of moving caliper, and is rotatably connected by steady pin, is provided with annular suture needle chute in the closed purse-string forceps head that forms of the fixing head of fixed caliper and the arc-shaped head of moving caliper;
The suture needle assembly is installed in the described annular suture needle chute.
2. the circular purse string clamp that can automatically play pocket according to claim 1, it is characterized in that the inside and outside Curved seaming needle that described suture needle assembly comprises slide block and is fixedly connected with slide block, described annular suture needle chute is inside and outside suture needle chute in corresponding section with dentalation, is the slide block chute in other section.
3. the circular purse string clamp that can automatically play pocket according to claim 1, it is characterized in that in the fixing head of described fixed caliper, end place at dentalation is provided with wire casing and thimble baffle plate, be equipped with absorbable suture in the wire casing, the suture termination is connected with needle guard by the through hole in the fixing head.
4. the circular purse string clamp that can automatically play pocket according to claim 3 is characterized in that described wire casing notch place is provided with slot, and the wire casing baffle plate of sealing wire casing is installed in the slot.
5. the circular purse string clamp that can automatically play pocket according to claim 3 is characterized in that being provided with in the described wire casing kinking duct.
6. the circular purse string clamp that can automatically play pocket according to claim 1 is characterized in that the fixing head of described fixed caliper and the arc-shaped head of moving caliper respectively form by forward and backward two, and annular suture needle chute namely is arranged between forward and backward two.
7. the circular purse string clamp that can automatically play pocket according to claim 6, the front surface that it is characterized in that described fixed caliper anter also is fixedly connected with lamina tecti, described fixed caliper rear panel is extended with bent frame to rear side, the trailing edge of bent frame is fixedly connected with head base plate, and the bent frame two ends are fixedly connected with baffle head.
8. the circular purse string clamp that can automatically play pocket according to claim 7, it is characterized in that between described fixing head anter and the fixing head rear panel, all be bolted to connection between fixing head rear panel and the head base plate and between forward and backward of moving caliper arc-shaped head, and be provided with corresponding arc convex and groove.
9. the circular purse string clamp that can automatically play pocket according to claim 1, there is sleeve in the handle portion outside that it is characterized in that described moving caliper also cover, the longitudinal separation of fork-shaped section is 8-20mm, the angle that arc-shaped head is corresponding is not more than 180 °, the arc-shaped head closure of the fixing head of fixed caliper and moving caliper is full circle shape, and this circular diameter is between 30-80mm.
10. each the described circular purse string clamp that can automatically play pocket according to claim 1-9 is characterized in that the fixed handle of described fixed caliper and the handgrip section correspondence of moving caliper are provided with jaw locking hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475209 CN202776425U (en) | 2012-09-17 | 2012-09-17 | Round purse-string forceps capable of suturing purse-string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220475209 CN202776425U (en) | 2012-09-17 | 2012-09-17 | Round purse-string forceps capable of suturing purse-string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202776425U true CN202776425U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220475209 Withdrawn - After Issue CN202776425U (en) | 2012-09-17 | 2012-09-17 | Round purse-string forceps capable of suturing purse-string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202776425U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824201A (en) * | 2012-09-17 | 2012-12-19 | 北京中法派尔特医疗设备有限公司 | Circular purse-string forceps capable of automatically sewing in purse way |
| WO2014040369A1 (en) * | 2012-09-17 | 2014-03-20 | 北京中法派尔特医疗设备有限公司 | Circular purse string clamp able to automatically sew up purse |
| WO2014040368A1 (en) * | 2012-09-17 | 2014-03-20 | 北京中法派尔特医疗设备有限公司 | Circular purse string clamp able to automatically sew up purse |
-
2012
- 2012-09-17 CN CN 201220475209 patent/CN202776425U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824201A (en) * | 2012-09-17 | 2012-12-19 | 北京中法派尔特医疗设备有限公司 | Circular purse-string forceps capable of automatically sewing in purse way |
| WO2014040369A1 (en) * | 2012-09-17 | 2014-03-20 | 北京中法派尔特医疗设备有限公司 | Circular purse string clamp able to automatically sew up purse |
| WO2014040368A1 (en) * | 2012-09-17 | 2014-03-20 | 北京中法派尔特医疗设备有限公司 | Circular purse string clamp able to automatically sew up purse |
| CN102824201B (en) * | 2012-09-17 | 2014-12-03 | 北京中法派尔特医疗设备有限公司 | Circular purse-string forceps capable of automatically sewing in purse way |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |