CN102579087B - Hole puncher for pressure nonstop artery blood vessels - Google Patents
Hole puncher for pressure nonstop artery blood vessels Download PDFInfo
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- CN102579087B CN102579087B CN2012100107974A CN201210010797A CN102579087B CN 102579087 B CN102579087 B CN 102579087B CN 2012100107974 A CN2012100107974 A CN 2012100107974A CN 201210010797 A CN201210010797 A CN 201210010797A CN 102579087 B CN102579087 B CN 102579087B
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- sleeve
- dowel steel
- card punch
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- cutter head
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Abstract
The invention discloses a hole puncher for pressure nonstop artery blood vessels, which comprises a hole puncher body with a sleeve. A dowel bar is sleeved in the sleeve, an inner-layer stent is fixedly sleeved on the outer wall of the sleeve, a cylindrical clamp sleeve is disposed on the lower portion of the inner-layer stent, ring slots are arranged in the clamp sleeve, flexible sealing retainer rings are mounted in the ring slots, and the tail end of the clamp sleeve is connected with a cylindrical shell; the outside of the inner-layer stent is fixedly connected with an outer-layer stent, and a fastening sleeve is disposed on the lower portion of the outer-layer stent and used for fixedly clamping the clamp sleeve; an inverted frustum-shaped opening is arranged at the lower end of the sleeve; the lower end of the dowel bar is fixedly connected with a cutter bit, four lower blades are uniformly distributed at the lower end of the cutter bit, the cutter bit is conical integrally, and a circular upper blade and an annular groove are arranged at the upper end of the cutter bit; the lower end of the cylindrical shell matches with the upper end of the frustum-shaped opening, and a lower port of the frustum-shaped opening matches with the upper blade. The inner-layer stent and the flexible sealing retainer ring stop blood overflowing from an artery after hole punching is finished, and hole punching for the pressure nonstop artery blood vessels is realized.
Description
Technical field
The invention belongs to a kind of cardiac operation apparatus, relate generally to a kind of arteries not stopping transportation with pressure card punch.
Background technology
Bypass operation of coronary artery is as one of primary treatment mode of coronary heart disease, be blood vessel or the blood vessel succedaneum of getting patient itself, narrow far-end coronarius and aorta are coupled together, allow blood walk around narrow part, arrive the position of ischemia, improve myocardial blood supply and cardiac function.
Be no matter traditional extracorporeal circulation coronary bypass or the bridging in the heart beating situation, surgeon all needs carry out vascular anastomosis with continuous or interrupted suture technology.Consider surgical field of view depletion of blood and easy to operate, blood vessel perforate and stitching need in the situation that coronary artery is carried out clamp and blocking-up proceed step by step.Clamp can cause the endarterium speckle to come off, and easily causes the complication such as thrombosis and apoplexy; The blocking-up of artery blood flow also can cause the myocardial ischemia symptom, can cause operative failure when serious; Proceed step by step has increased operating time.
, though existing medical apparatus and instruments can be realized bypass surgery, there are tremulous pulse clamp, blocking-up, perforate and coincide and the defect such as do not carry out simultaneously, blood leaks outside too much.Being 200820029416.6 medium and small arteries card punch such as number of patent application, at first need to cutting an aperture on tremulous pulse when this utility model is used, must be in the situation that blood vessel is blocked carries out, and easily forms the complication such as thrombosis and apoplexy.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing tremulous pulse punching technology, the invention provides a kind of energy and realize the card punch that punches under arteries not stopping transportation with pressure, optimal way has offered a kind of card punch of the simple, convenient punching of arteries efficiently, punch and prepare for the fast wireless of follow-up grafting vessel is identical by this kind mode, can improve the success rate of operation.
The present invention solves the technical scheme that the problem of punching under arteries not stopping transportation with pressure takes: arteries of the present invention not stopping transportation with pressure card punch is provided, comprise and establish sleeved card punch body, be set with dowel steel in described sleeve, wherein, be fixed with the auxiliary stand that is formed by internal layer support and outer support on the outer wall of described sleeve, described internal layer support bottom is provided with by left and right tubular chuck dimerous, be equipped with annular groove in every part of described chuck, the flexible sealing back-up ring all is housed in described annular groove, and the end of described chuck is provided with cylindrical outer casing; Described internal layer support is fixedly connected with outer support outward, and outer support bottom is provided with adapter sleeve, is used for being fixedly clamped described chuck; The lower end of described sleeve is provided with the nozzle that is reverse frustoconic; Described dowel steel lower end is fixedly connected with cutter head, and the lower end of described cutter head is evenly equipped with four lower blades, and integral body is conical, the annular groove that the upper end of described cutter head is provided with a circular upper knife edge of circle and by described upper knife edge, is surrounded; Wherein said cylindrical outer casing lower end next-door neighbour described truncated cone-shaped nozzle upper end, and described cylindrical outer casing lower end matches with described truncated cone-shaped nozzle upper end, and described truncated cone-shaped nozzle lower port matches with described upper knife edge.Puncture fast a cross aperture by the uniform four lower blades in cutter head of the present invention lower end are high-quality on arterial wall, allow internal layer support end cylindrical outer casing to insert in tremulous pulse with the nozzle of sleeve, and when dowel steel band dynamic cutter head withdraws, utilize the upper knife edge of cutter head upper end that arterial wall is excised fully, and the arterial wall that will downcut is recovered in annular groove, avoids falling into tremulous pulse.In addition, after internal layer support end cylindrical outer casing inserts in tremulous pulse with the nozzle of sleeve, keep the shape of perforate, due to the cylindrical outer casing size,, greater than the blade diameter, make the tapping arterial wall tightly embrace internal layer support end cylindrical outer casing, realize the tapping circumferential seal; After sleeve was withdrawn from, the Sealing shield ring that is provided with in the internal layer support restored and can stop the blood outflow of from tremulous pulse, overflowing, and plays the effect of sealing, realizes tremulous pulse punching under blood vessel not stopping transportation with pressure.
In technique scheme, preferred described sleeve outer wall is provided with downward first step, is provided with second step in described internal layer support, and described first step matches with described second step and realizes sleeve and internal layer support location.
For the ease of assembling, internal layer support of the present invention preferably is fixedly connected with by keyway with described outer support; Preferably by screw thread, be fixedly connected with between described dowel steel lower end and cutter head.
Card punch of the present invention has also further improved actuating device, and this actuating device comprises the dowel steel of suit in sleeve, preferably epimere dowel steel and hypomere dowel steel two parts, consists of, and is fixedly connected with by screw thread between two parts; The both sides of sleeve upper end respectively are hinged with a handle, be hinged with support bar on described handle, the other end of described support bar is hinged on epimere dowel steel top, the bottom of epimere dowel steel is provided with elastic switch, and the upper rabbet groove that arranges on the lower surface of elastic switch and sleeve, the lower surface of lower rabbet groove match and realize the location of air exercise hole depth; Described hypomere dowel steel is provided with round ring boss, is provided with the 3rd step in described sleeve, is set with return spring between the 3rd step of this round ring boss and sleeve, and the end of described hypomere dowel steel is fixedly connected with by screw thread with described cutter head.By the distance between upper rabbet groove and lower rabbet groove, and the lower surface of elastic switch and described up and down rabbet groove coordinates and drives the location that cutter head that the hypomere dowel steel is connected realizes fighting each other hole depth, and contrast locating is more accurate.In addition, preferably be threaded connection between cutter head and hypomere dowel steel lower end, cutter head can freely be changed, and realizes the hole of opening different size.The present invention also provides a kind of optimal way, and described truncated cone-shaped nozzle inwall is provided with annular baffle, when cutter head withdraws, upper knife edge is just withdrawn to this annular baffle lower surface, utilizes stopping of annular baffle, fully fast the excision arterial wall.
Can realize blood vessel not being carried out completing quickly and easily the arteries perforate under the prerequisite of any clamp and blocking-up operation by card punch of the present invention; Simultaneously, the fast wireless that can carry out follow-up grafting vessel by card punch coincide, and can effectively improve the success rate of operation.In addition, by structure optimization, card punch of the present invention rational in infrastructure, simple to operate, can save operating time greatly.
Description of drawings
Fig. 1 is the 3-D view of card punch of the present invention;
Fig. 2 is the structural representation after card punch of the present invention is installed;
Fig. 3 is the using state figure of card punch of the present invention;
Fig. 4 is the partial enlarged drawing at A place in Fig. 2;
Fig. 5 is the structural representation of internal layer support;
Fig. 6 is the structural representation of outer support;
The structural representation of the card punch body that Fig. 7 is comprised of sleeve, handle, support bar, dowel steel and cutter head;
Fig. 8 is the structural representation that is provided with the sleeve of handle;
Fig. 9 is respectively the structural representation of the epimere dowel steel that is provided with elastic switch, hypomere dowel steel, cutter head.
Figure 10 is the enlarged drawing of cutter head in Fig. 9.
In figure: 1 cutter head, 2 sleeves, 3 epimere dowel steels, 4 hypomere dowel steels, 5 internal layer supports, 6 outer supports, 7 handles, 8 support bars, 11 times blades, 12 upper knife edges, 13 annular grooves, rabbet groove on 21,22 times rabbet grooves, 23 first steps, 24 nozzles, 25 the 3rd steps, 26 annular baffles, 31 elastic switch, 41 round ring boss, 42 return springs, 51 keys, 52 chucks, 53 annular grooves, 54 flexible sealing back-up rings, 55 cylindrical outer casings, 56 second steps, 61 keyways, 62 adapter sleeves.
The specific embodiment
Further describe as follows below in conjunction with drawings and the specific embodiments to structure of the present invention:
see also Fig. 1～Figure 10, a kind of arteries not stopping transportation with pressure card punch, comprise the card punch body that is provided with sleeve 2, be set with dowel steel (epimere dowel steel 3 and hypomere dowel steel 4) in described sleeve 2, wherein hypomere dowel steel 4 lower ends are connected with cutter head 1, on the outer wall of sleeve 2, fixed cover is connected to the auxiliary stand that is comprised of internal layer support 5 and outer support 6, wherein internal layer support 5 is provided with key 51, bottom is provided with by left and right tubular chuck 52 dimerous, chuck 52 is not open configuration (as Fig. 5) when stressed, two parts inside of this chuck 52 is equipped with annular groove 53, flexible sealing back-up ring 54 is installed in annular groove 53, the end of described chuck is connected with cylindrical outer casing 55, when the sleeve 2 that wherein when the card punch body, comprises inserted internal layer support 5, flexible sealing back-up ring 54 deformed and is close on sleeve 2, and after the card punch body was withdrawn, flexible sealing back-up ring 54 restored to the original state, and seals.Outer support 6 is provided with keyway 61 (as Fig. 6), during use, coordinates with key 51 by keyway 61 two stands is fixed together (as Fig. 1-3), and outer support 6 bottoms are provided with adapter sleeve 62, is used for being fixedly clamped described chuck 52.In addition, the lower end of sleeve 2 is provided with diameter and reduces gradually, is the nozzle 24 of reverse frustoconic; Hypomere dowel steel 4 preferably is threaded connection cutter head 1, thereby can change cutter head, opens the hole of different size; As Fig. 9～shown in Figure 10, the lower end of cutter head 1 is evenly equipped with four lower blades 11, and it is conical that integral body is, be used for the penetration rate of blood tube wall, the annular groove 13 that the upper end of cutter head 1 is provided with a circular upper knife edge 12 of circle and by described upper knife edge 12, is surrounded, be respectively used to excise arterial wall and deposit the arterial wall that cuts down.The cylindrical outer casing 55 of internal layer support 5 is sleeved on nozzle 24 tops of next-door neighbour's sleeve 2, and match with described truncated cone-shaped nozzle 24 upper ends in described cylindrical outer casing 55 lower ends, described truncated cone-shaped nozzle 24 lower port match with described upper knife edge 12, upper knife edge 12 can be withdrawn in nozzle 24, and nozzle 24 is easy to be inserted in the hole that upper knife edge 12 opens; In addition, the size of cylindrical outer casing 55 external diameters according to the present invention the card punch actual size determine, as long as guarantee that internal layer support 5 end cylindrical outer casings 55 insert in tremulous pulsies with sleeve 2, concrete grammar is well known in the art, does not repeat them here.Obviously, the diameter in the hole that the external diameter of cylindrical outer casing 55 is left greater than cutter head 1, the tapping blood vessel wall will tightly be embraced cylindrical outer casing 55, and then realize the circumferential seal of tapping; After arterial wall excises fully, the card punch body is withdrawn, and auxiliary stand maintains static, and flexible sealing back-up ring 54 restores to the original state, the blood that overflows from tremulous pulse can not overflow under the effect of flexible sealing back-up ring 54, and then completes the punching of tremulous pulse under blood vessel not stopping transportation with pressure.
In addition, in the present embodiment, for ease of assembling, the preferred dowel steel of arteries of the present invention not stopping transportation with pressure card punch is divided into epimere dowel steel 3 and hypomere dowel steel 4, and is threaded connection between two sections; The both sides of sleeve 2 upper ends respectively are hinged with a handle 7 by swivel pin, be hinged with support bar 8 on handle 7, the other end of this support bar 8 is movably connected in epimere dowel steel 3 tops by swivel pin, the bottom of this epimere dowel steel 3 is provided with elastic switch 31, the upper surface of this elastic switch 31 is an inclined-plane, and lower surface is a horizontal plane (as Fig. 9); Described hypomere dowel steel 4 is provided with round ring boss 41, is provided with the 3rd step 25 in described sleeve 2, and 25, the 3rd step of this round ring boss 41 and sleeve 2 is set with return spring 42.By the distance between upper rabbet groove 21 and lower rabbet groove 22, and the lower surface of elastic switch 31 and described up and down rabbet groove (21,22) coordinates and drives the location that the cutter head 1 that is connected on hypomere dowel steel 4 realizes fighting each other hole depth, realizes accurately locating.In addition, preferably realize by the step of establishing on sleeve 2 and internal layer support 5 location that sleeve 2 in the present embodiment on the card punch body and internal layer support are 5, be specially: be provided with downward first step 23 on the outer wall of this sleeve 2, be provided with second step 56 in the internal layer support, by first step 23 is stuck on second step 56, realize sleeve and internal layer support location.As shown in Figure 4, also adopted a kind of optimal way in the present embodiment, truncated cone-shaped nozzle 24 inwalls are provided with annular baffle 26, when cutter head 1 withdraws, upper knife edge 12 is just withdrawn to the lower surface of this annular baffle 26, utilize stopping of annular baffle 26, fully fast the excision arterial wall.
By above-mentioned improvement, make the rational in infrastructure of card punch of the present invention, simple to operate, can greatly save operating time.
Foregoing description only schematically describes the preferred embodiments of the present invention, be not limited to the above-mentioned specific embodiment, the present invention can also make the concrete conversion of a lot of forms,, as actuating device, also can adopt other actuating devices of prior art well known to those skilled in the art realize stretching out of cutter head and withdraw.
The invention will be further described below in conjunction with the concrete assembly of card punch of the present invention and use procedure:
1) card punch assembling process:
The bottom chuck 52 of internal layer support 5 is not in open configuration (please refer to Fig. 5) before using.At first flexible sealing back-up ring 54 is fixed in the annular groove 53 of internal layer support 5, then in the keyway 61 that the key of internal layer support 5 51 is inserted on outer support 6 (please refer to Fig. 5 and Fig. 6), the chuck 52 of internal layer support 5 remains closed and is tubular under the clamping of outer support 6 at this moment; The card punch body is inserted in internal layer support 5, to both locate by the first step 23 on sleeve 2 and the second step 56 on internal layer support 5, and then complete the assembling process of card punch, schematic diagram after installing please refer to Fig. 2, at this moment, cutter head 1 does not stretch out, and as shown in the partial enlarged drawing of Fig. 4, the upper knife edge 12 of cutter head 1 is near the lower surface of annular baffle 26.
2) card punch is placed in the using state process:
After each parts assemble (this moment, return spring 42 was in compressive state), card punch is placed in vertical direction, press elastic switch 31, under the restoring force effect of return spring 42, elastic switch 31 moves downward along sleeve 2 inner surfacies, hypomere dowel steel 4 band dynamic cutter heads 1 move downward, and cutter head 1 starts to stretch out; Meanwhile, the support bar 8 band fixed handles 7 that are hinged on epimere dowel steel 3 open, and when the lower surface of elastic switch 31 contacted with the lower surface of lower rabbet groove 22, cutter head 1 stopped stretching out, and handle 7 stops opening, and this moment, card punch was in using state, please refer to Fig. 3.
3) punch and withdraw process:
At first utilize four lower blades 11 on cutter head 1 to puncture a cross osculum on arterial wall, after whole cutter head 1 is cut in tremulous pulse fully, draw handle 7 (this moment, return spring 42 was compressed) in, elastic switch 31 moves upward along sleeve 2 inner surfacies, handle 7 drives epimere dowel steel 3 by support bar 8 and hypomere dowel steel 4 moves upward, and then band dynamic cutter head 1 does and withdraws motion, and the circular upper knife edge 12 of cutter head 1 upper end starts to cut arterial wall; When the lower surface of elastic switch 31 contacts with upper rabbet groove 21 lower surfaces, stop drawing in handle 7, the upper knife edge 12 of cutter head 1 drives arterial wall and abuts against on annular baffle 26, and with the quick and complete excision of arterial wall, the arterial wall of excision falls in annular groove 13, and can not fall into tremulous pulse; Draw handle 7 in, when cutter head 1 withdraws, auxiliary stand radially advances along tremulous pulse together with the card punch body needs, until the end cylindrical outer casing 55 of internal layer support 5 inserts in tremulous pulse, the shape that keeps perforate, the tapping blood vessel wall will tightly be embraced cylindrical outer casing 55, and then realize the circumferential seal of tapping; After arterial wall excises fully, the card punch body is withdrawn, and auxiliary stand maintains static, and the blood that overflows from tremulous pulse can not overflow under the effect of flexible sealing back-up ring 54, and then complete the punching of tremulous pulse under blood vessel not stopping transportation with pressure, coincide for follow-up blood vessel is wireless ready.
Claims (2)
1. arteries not stopping transportation with pressure card punch, comprise and establish sleeved card punch body, be set with dowel steel in described sleeve, it is characterized in that, be fixed with the auxiliary stand that is comprised of internal layer support and outer support on the outer wall of described sleeve, described internal layer support bottom is provided with by left and right tubular chuck dimerous, is equipped with annular groove in every part of described chuck, the flexible sealing back-up ring is housed in described annular groove, and the end of described chuck is provided with cylindrical outer casing; Described internal layer support is connected with outer support outward, and described outer support bottom is provided with adapter sleeve, is used for being fixedly clamped described chuck; The lower end of described sleeve is provided with the nozzle of reverse frustoconic; Described dowel steel lower end is fixedly connected with cutter head, and the lower end of described cutter head is evenly equipped with four lower blades, and integral body is conical, the annular groove that the upper end of described cutter head is provided with a circular upper knife edge of circle and by described upper knife edge, is surrounded; Wherein said cylindrical outer casing lower end next-door neighbour described reverse frustoconic nozzle upper end, and described cylindrical outer casing lower end matches with described reverse frustoconic nozzle upper end, and described reverse frustoconic nozzle lower port matches with described upper knife edge.
2. arteries according to claim 1 not stopping transportation with pressure card punch, it is characterized in that, the outer wall of described sleeve is provided with downward first step, is provided with second step in described internal layer support, and described first step matches with described second step and realizes sleeve and internal layer support location.
3. arteries according to claim 2 not stopping transportation with pressure card punch, it is characterized in that, described dowel steel is comprised of interconnective epimere dowel steel and hypomere dowel steel, the both sides of described sleeve upper end respectively are hinged with a handle, be hinged with support bar on described handle, the other end of described support bar is hinged on epimere dowel steel top, the bottom of epimere dowel steel is provided with elastic switch, and the upper rabbet groove that arranges on the lower surface of elastic switch and sleeve, the lower surface of lower rabbet groove match and realize the location of air exercise hole depth; Described hypomere dowel steel is provided with round ring boss, is provided with the 3rd step in described sleeve, is set with return spring between described round ring boss and sleeve the 3rd step.
4. arteries according to claim 1 not stopping transportation with pressure card punch, is characterized in that, described reverse frustoconic nozzle inwall is provided with annular baffle.
5. arteries according to claim 1 not stopping transportation with pressure card punch, is characterized in that, is fixedly connected with by screw thread between described dowel steel lower end and cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100107974A CN102579087B (en) | 2012-01-13 | 2012-01-13 | Hole puncher for pressure nonstop artery blood vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100107974A CN102579087B (en) | 2012-01-13 | 2012-01-13 | Hole puncher for pressure nonstop artery blood vessels |
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| Publication Number | Publication Date |
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| CN102579087A CN102579087A (en) | 2012-07-18 |
| CN102579087B true CN102579087B (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100107974A Active CN102579087B (en) | 2012-01-13 | 2012-01-13 | Hole puncher for pressure nonstop artery blood vessels |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10188420B2 (en) * | 2016-10-14 | 2019-01-29 | Medline Industries, Inc. | Aortic punch |
| CN111419469B (en) * | 2020-04-16 | 2022-08-02 | 中国医学科学院阜外医院 | Cutting device for aortic surgery |
| CN112842476B (en) * | 2020-12-31 | 2022-03-22 | 河南科技大学第一附属医院 | Aorta blood vessel puncher capable of stably punching |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893369A (en) * | 1997-02-24 | 1999-04-13 | Lemole; Gerald M. | Procedure for bypassing an occlusion in a blood vessel |
| CN201200451Y (en) * | 2008-06-14 | 2009-03-04 | 包军胜 | Perforator for middle and small arterial vessels |
| DE102009059078A1 (en) * | 2009-12-18 | 2011-06-22 | Geister Medizintechnik GmbH, 78532 | Surgical punch for instrument set for intervention to blood vessel for establishing anastomosis e.g. end-to-side anastomosis, has punching tool with cutting edge, and punching surface with corner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5150600A (en) * | 1999-05-18 | 2000-12-05 | Vascular Innovations, Inc. | Tissue punch |
| US6913609B2 (en) * | 2001-09-28 | 2005-07-05 | Cardica, Inc. | Access port system for anastomosis |
-
2012
- 2012-01-13 CN CN2012100107974A patent/CN102579087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5893369A (en) * | 1997-02-24 | 1999-04-13 | Lemole; Gerald M. | Procedure for bypassing an occlusion in a blood vessel |
| CN201200451Y (en) * | 2008-06-14 | 2009-03-04 | 包军胜 | Perforator for middle and small arterial vessels |
| DE102009059078A1 (en) * | 2009-12-18 | 2011-06-22 | Geister Medizintechnik GmbH, 78532 | Surgical punch for instrument set for intervention to blood vessel for establishing anastomosis e.g. end-to-side anastomosis, has punching tool with cutting edge, and punching surface with corner |
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| CN102579087A (en) | 2012-07-18 |
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