CN106510812A - Cutter-free puncture needle capable of emitting sound - Google Patents
Cutter-free puncture needle capable of emitting sound Download PDFInfo
- Publication number
- CN106510812A CN106510812A CN201611125659.5A CN201611125659A CN106510812A CN 106510812 A CN106510812 A CN 106510812A CN 201611125659 A CN201611125659 A CN 201611125659A CN 106510812 A CN106510812 A CN 106510812A
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- China
- Prior art keywords
- puncture needle
- sound
- puncture
- producing device
- distal end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000002784 stomach Anatomy 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 210000001519 tissue Anatomy 0.000 claims description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 208000005646 Pneumoperitoneum Diseases 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 abstract description 4
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 3
- 210000003815 abdominal wall Anatomy 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 210000001015 abdomen Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 208000012260 Accidental injury Diseases 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003387 muscular Effects 0.000 description 3
- 206010021620 Incisional hernias Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000001087 myotubule Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00115—Electrical control of surgical instruments with audible or visual output
- A61B2017/00119—Electrical control of surgical instruments with audible or visual output alarm; indicating an abnormal situation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
Abstract
The invention relates to a cutter-free puncture needle capable of emitting sound. The puncture needle comprises a near-end handle, a hollow rod, an inclined far end and a vertex, wherein one end of the inclined far end is connected with the hollow rod, the other end of the inclined far end is connected with the vertex, and the inclined far end comprises an inclined outer surface and a blind hole structure communicating with the hollow rod; the inclined outer surface comprises slots, the slots penetrate through the inclined outer surface and communicate with blind holes, and the slots extend along the inclined outer surface towards the near end from the close region of the vertex; the cutter-free puncture needle further comprises a sound-emitting device, and the sound-emitting device directly or indirectly communicates with the hollow rod. Once the top end of the puncture needle punctures the abdominal wall and the inclined far end enters the abdominal cavity, the sound-emitting device emits clear and bright sound; after hearing the sound, an operating doctor accurately judges that the far end of the puncture needle punctures the abdominal wall, and immediately stops the operation of applying large puncture force towards the in-vivo direction of the patient.
Description
Technical field
A kind of the present invention relates to Minimally Invasive Surgery apparatus, more particularly to puncture needle structure.
Background technology
Perforator is in a kind of Minimally Invasive Surgery (especially hard tube endoscope-assistant surgery), for setting up the artificial channel into body cavity
Operating theater instruments.Perforator generally comprises thimble assembly and puncture needle two parts.The mode that generally uses of its clinic is：First suffering from
Cut osculum on person's skin, then puncture needle is run through into thimble assembly, the distal end of puncture needle exceedes the distal end of thimble assembly, then together
Body cavity is entered via body wall is penetrated at skin openings.
During penetrating body wall, operative doctor grips perforator and applies larger puncture procedure power, for overcoming thorn
Resistance that is broken and cutting open tissue, and the resistance of extruding and the tissue that swells.The distal end of puncture needle generally comprises sharp blade, has
Help reduce the power for puncturing and cutting open tissue.And resistance described in penetrating moment of body wall suddenly disappears, doctor has little time stopping and applies
Power or due to effect of inertia, the blade may accidental injury patient's interior tissues.Therefore puncture needle generally comprises alternative
Axial movement protective case and automatic locking apparatus, referred to as protect puncture needle.The protection puncture needle has lock-out state
And release conditions.In the release conditions when, the protective case can proximally be return by distal end and expose the blade；It is in
During guard mode, the protective case can not be proximally return by distal end, and the blade is coated by protective case.And, penetrator
The moment of wall, almost trigger the automatic locking apparatus simultaneously, so that rapidly automatically protection shape is switched to from release conditions
State.The moment of body wall penetrated, the protective case almost simultaneously, is rapidly proximally moved to distal end cladding blade and locks
It is fixed, accidental injury is caused so as to prevent blade from exposing.Even if however, protective case effective protection effect under, because of doctors experience
Shortcoming, or the puncture procedure power applied because of doctor is excessive, or because doctor stops applying puncture procedure power in time, or because of patient
The factors such as state of an illness difference, are still susceptible to the situation of accidental injury internal.
In order to reduce the risk for damaging internal, when in clinical practice, doctor's gripping perforator carries out puncture procedure, no
It is that to piercing in vivo, but small range is rotated back and forth on one side to being pierced in vivo in the way of simple linear motion.It is this
The piercing method of formula is rotated back and forth, this is conducive to tearing and swelling muscular tissue, while being conducive to control to be pierced into speed and reduction
Aforementioned effect of inertia.But this piercing method for rotating back and forth formula, the blade of the protection puncture needle is with rotating back and forth simultaneously
Cutting muscular tissue, causes wound irregular, so as to additionally increase the damage for patient, and increased incisional hernia complication
Probability of happening.
Research shows, is conducive to reducing for patient's using the puncture needle (hereinafter referred to as without knife puncture needle) without blade
Damage.As it was noted above, when carrying out abdomen wall puncture using protection puncture needle, its blade pierces and cutting muscle and tissue；And make
With it is described carry out abdomen wall puncture without knife puncture needle when, as without sharp blade, its tip punctures muscle and tissue, and tears
Separating muscle fiber and wound is swollen until puncture needle and thimble assembly are integrally through stomach wall.It can be seen that, it is described without knife puncture needle phase
For protection puncture needle, the cutting damage for muscular tissue is reduced, is conducive to post-operative recovery, be conducive to reducing incisional hernia simultaneously
Send out the probability of disease.Generally draw accordingly using without knife puncture needle ratio using there is knife (protection) puncture needle less for patient damages
Conclusion.But abdomen wall puncture is carried out using described without knife puncture needle, which punctures, and needle force is typically larger than described to have knife (protection) to puncture
The puncture force of pin, so being more difficult to control, increased the risk of injured patient internal and tissue on the contrary.
There is the situation of injured patient internal or tissue, be primarily due to doctor and cannot accurately perceive needle tip terminal spine
The moment of broken body wall, stop in time applying puncture procedure power, but when experiencing puncture needle and thimble assembly is integrally worn
Thoroughly after the sense that falls through of body wall, just stop applying puncture procedure power, however it is generally late, due to effect of inertia, puncture needle tip
The different degrees of damage for being difficult to predict may be caused to internal.
The present invention propose it is a kind of penetrate body wall moment produce obvious auditory tone cueses without knife puncture needle and its using method.
The content of the invention
Therefore, it is an object of the present invention to provide one kind is without knife puncture needle, the puncture needle includes sound-producing device, punctures
Needle construction is compact, and part manufactures economy, and assembling product is convenient and swift.
In one aspect of the invention, it is a kind of to include proximal handle, hollow bar, beveled distal end and summit without knife puncture needle.
One end connection hollow bar of the beveled distal end and its other end connect summit, the beveled distal end include inclined outer surface and with
The blind hole structure of hollow bar UNICOM.The inclined outer surface includes elongate slot, and the elongate slot penetrates the inclined outer surface simultaneously
With the blind hole UNICOM, the elongate slot is from the beginning of the close region on the summit, proximally facing along the inclined outer surface
Extend.It is described without knife puncture needle also include sound-producing device, the sound-producing device directly or indirectly with hollow bar UNICOM.
In a kind of scheme, the inclined outer surface includes at least 2 elongate slots.In another kind of scheme, the inclination appearance
Face includes the elongate slot of unnecessary two.
The elongate slot starts proximally to extend from the close region on the summit, but the elongate slot is not extended to point
Open the summit.In a kind of scheme, the elongate slot is less than or equal to 5mm with the distance on the summit.
In a kind of scheme, the sound-producing device is made up of metal clips, comprising elongate slot and vibrating reed, when air-flow leads to
When crossing the elongate slot, the vibrating reed vibration at high speed sends sound.
In another scheme, the sound-producing device includes nonmetallic vibrating diaphragm, and the vibrating diaphragm includes elongate slot, when
When air-flow passes through the elongate slot, the vibrating diaphragm vibration at high speed sends sound.
In a kind of scheme, the sound-producing device is arranged in the hollow bar.In another kind of scheme, the sound-producing device peace
It is mounted in the handle.
Another object of the present invention, is just to provide a kind of piercing method for setting up puncture channel.
S1：Operation doctor sets up pneumoperitoneum to patient in advance；
S2：Operation doctor has arbitrary puncture needle of auditory tone cueses using aforementioned strip and coordinates thimble assembly, and the puncture needle runs through
Thimble assembly, is punctured via the skin incisions of point of puncture；
S3：Once the top of the puncture needle punctures stomach wall and beveled distal end enters abdominal cavity, then the gas of preset pneumoperitoneum is through narrow
Elongated slot, hollow bar and handle storehouse are simultaneously discharged from sound-producing device, cause the sound-producing device to send clear bright sound.Operation doctor
This sound is heard in life, you can accurately judge that puncturing needle distal has penetrated stomach wall, operation doctor reduces puncture force immediately；；
S4：Operation doctor is slow, cautious, continues separate and swell muscle and tissue by the way of rotating back and forth,
Make the distal end of thimble assembly stop puncturing after also completely penetrating through stomach wall, after removing puncture needle, adjust the position of thimble assembly again, it is complete
Into setting up puncture channel.
Description of the drawings
In order to more fully understand the essence of the present invention, it is described in detail below in conjunction with accompanying drawing, wherein：
Fig. 1 is the axonometric chart for puncturing device assembly；
Fig. 2 is the axonometric chart of the puncture needle of one embodiment of the present invention；
Fig. 3 is the exploded view of the solid of puncture needle shown in Fig. 2；
Fig. 4 is the detail drawing of the sound-producing device of puncture needle shown in Fig. 3；
Fig. 5 is the side elevational view of the puncture shank of puncture needle shown in Fig. 3；
Fig. 6 is the 6-6 sectional views for puncturing shank shown in Fig. 5；
Fig. 7 is the axis projection view for puncturing shank shown in Fig. 5；
Fig. 8 is the longitudinal sectional view of puncture needle shown in Fig. 2；
Fig. 9 is the 9-9 sectional views of puncture needle shown in Fig. 8；
Figure 10 is the three-dimensional view at another tip for puncturing shank；
Figure 11 is the side elevational view at the tip for puncturing shank shown in Figure 10；
Figure 12 is the axis projection view of the 12-12 cross sections at tip shown in Figure 11；
Figure 13 is the axonometric chart in another handle storehouse；
Figure 14 is the axonometric chart of another sound-producing device；
Figure 15 is the longitudinal sectional view of the puncture needle of second embodiment of the invention.
In all of view, identical label represents the part or part of equivalent.
Specific embodiment
Embodiment of the present invention is disclosed herein is, it should be understood, however, that disclosed embodiment is only of the invention
Example, the present invention can be realized by different modes.Therefore, this disclosure is not to be construed as restricted, and
It is the basis only as claim, and as teaching those skilled in the art how using basis of the invention.
Fig. 1-2 depicts the overall structure of perforator.A kind of typical perforator includes thimble assembly 100 and puncture needle 200.
Thimble assembly 100 includes gas-tight silo 110 and breather valve 120.The gas-tight silo 110 includes 111 (not shown) of proximal end face and center
113 (not shown) of through hole, it is usual zero sealing (also known as automatic-sealed) and diaphragm seal (also known as instrument seal) by distal end proximally according to
It is secondary in gas-tight silo 110.Zero sealing is generally not provided the sealing for insertion instrument, and automatic when apparatus is removed
Close and formed sealing.The diaphragm seal banding apparatus forms sealing when apparatus is inserted.Described sleeve pipe 130 includes opening
The hollow pipe 133 of distal end 131 and UNICOM's gas-tight silo 110.The puncture needle 200 can be mainly classified into handle portion 202, bar portion
Divide 204 and distal portions 206.The handle portion includes proximal end face 271 and distal face 253.
With reference to Fig. 1-2, the puncture needle 200 runs through thimble assembly 100, and the proximal end face 111 and distal face 253 connect
Touch.When puncture action is carried out, doctor's finger holds gas-tight silo 110, and palm is close to the proximal end face 271 of puncture needle 200, continues
Applying puncture procedure power make which penetrate patient's body wall.Once completely penetrating through body wall, puncture needle is removed, leaves thimble assembly work
The passage of body cavity is passed in and out for apparatus.For convenience of stating, a side of follow-up all Proximity operation persons is defined as near-end, and away from operator
A side be defined as distal end, the central axis for defining puncture needle bar part 204 is 201 (not shown) of axis, follow-up all substantially to put down
The direction of row axis 201 is referred to as axially, and the direction of substantially vertical axis 201 is referred to as laterally.
Fig. 3-7 illustrate in detail the structure composition of the one embodiment without knife puncture needle 200 of the present invention and assembly relation.
With reference to Fig. 3, described including without knife puncture needle 200 punctures shank 210, sound-producing device 230, handle lower cover 250 and handle storehouse 270.
With reference to Fig. 3 and 8, the handle storehouse 270 includes the cavity 273 that top 271 and side wall 272 are formed, four fixed columns
274 are approximately distributed on top 271 and from inside cavity 273 to remote extension, and the fixed column 274 includes blind hole 275.It is described
Top 271 also comprising from inside hollow pipe 276 from cavity 273 to remote extension.The side wall 272 includes multiple passages 278.
With reference to Fig. 3 and Fig. 8, the handle lower cover 250 includes proximal end face 251 and distal face 253 and flange therebetween 252, the flange
252 are approximately distributed on proximal end face 251 and proximally facing extension comprising 256,4 fixed columns 255 of central through hole.
With reference to Fig. 4, the sound-producing device 230 includes matrix 232 and vibrating reed 234, wherein vibrating reed 234 only with institute
State matrix 232 to be connected, the remainder of vibrating reed 234 is disconnected by elongate slot 236 with matrix 232.The sound-producing device 230
It is made up of metal material, for example pyrite.The thinner thickness of the sound-producing device 230, typically less than or equal to 0.5mm.It is described to shake
Moving plate 234 has good elastic and flexible, and when elongate slot 236 described in slight air-flow through hole, the vibrating reed 234 is
Vibration at high speed sound can be sent.
With reference to Fig. 3, Fig. 5, Fig. 6 and Fig. 7, the puncture shank 210 includes near-end 211 and distal end 216 and therebetween hollow
Bar 214, it is described to puncture the inclination that shank 210 also includes summit 219 and extends to the summit 219 from the inclination of the distal end 216
Distal end 218.The puncture shank 210 also includes central blind hole 215, and the central blind hole 215 penetrates near-end 211 and extends to and inclines
Oblique distal end 218.Two elongate slots 217 penetrate the beveled distal end 218 and with 215 UNICOM of the central blind hole.The near-end 211
Comprising fixed step 212 and penetrate the fixed step 212 and through hole 213 with 215 UNICOM of hollow blind hole.
The elongate slot 217 is non-extensible to summit 219, if elongate slot 217 extends and separate summit 219, generally easily leads
Cause penetration Resistance larger.But the elongate slot is better closer to summit 219, then when the puncture needle 200 penetrates patient's body wall
When, auditory tone cueses can be sent as early as possible as soon as possible.Beeline generally between the elongate slot 217 and summit 219 is more than or equal to
1mm and be less than or equal to 5mm.Generally the width of the elongate slot 217 is less than or equal to 2mm, if the width of the elongate slot leads to greatly very much
Often result in penetration Resistance increase.
With reference to Fig. 3, Fig. 8 and Fig. 9, the sound-producing device 230 is arranged on the near-end for puncturing shank 210, wherein described
Matrix 232 is bonded together with the fixed step 212, and the vibrating reed 234 is directed at the through hole 213.The hollow connection
Bar 214 is inserted in the central through hole 256, and the near-end 211 is inserted in the hollow pipe 276 and interference fit, so as to wear
Pricker bar 210 and handle storehouse 270 are fixed together.Interference fit between 4 fixed columns 255 and blind hole 275, so as to will be described
Handle lower cover 250 and handle storehouse 270 are fixed together.Although this example lists interference fit between glue bonding or hole axle
Method connects each parts, but those skilled in the art is certain it is contemplated that adopting glue bonding, riveting is welded, spiral shell
Stricture of vagina connects, and any known MACHINERY JOINT such as interference fit also can be achieved on.
Typical laparoscopic surgery, resettles puncture channel after generally creating pneumoperitoneum using veress needle in advance.With reference to Fig. 1,
The puncture needle 200 runs through thimble assembly 100, operation doctor's finger grip gas-tight silo 110 and palm is close to handle storehouse, via wearing
The skin incisions of thorn point are punctured.Once the top of the puncture needle 200 punctures stomach wall and beveled distal end 218 enters abdomen
Chamber, then the gas of preset pneumoperitoneum is through elongate slot 217 and hollow bar 214, and discharges from the long and narrow seam 236 of sound-producing device 230, draws
Play 234 vibration at high speed of the vibrating reed and send clear bright sound.Operation doctor hears this sound, you can accurately judge to puncture
Needle distal has penetrated stomach wall, stops to the larger puncture force of direction applying in patient's body immediately, but and then slow, the careful wing
The wing, the mode for rotating back and forth continues separate and swell muscle and tissue, makes the distal end of thimble assembly also completely penetrate through stomach wall.
As it was noted above, puncturing needle distal and penetrating the auditory tone cueses of stomach wall to judge whether puncture needle penetrates when doctor relies on
During stomach wall, then the reliability of acoustic mechanism must be reliable enough, will otherwise cause catastrophic consequence.United States Patent (USP)
US5352206 discloses a kind of reuse puncture needle with auditory tone cueses, and its distal end has passage and its bar portion is carried
Sounding whistle.Those skilled in the art needs to puncture and fractionation of fatty during being to be understood that lancet puncture stomach wall
Layer, Musclar layer and peritoneal layer, its situation are complicated, if the distal end passage of puncture needle is less, easily by fat or muscle chip
Block, and it is larger if distal end passage is too big to be easily caused puncture force.The present invention adopts 2 elongate slots 217, greatly reduces
The risk that is plugged.Even if summit 219 punctures stomach wall, the elongate slot 217 of 219 close region of summit is plugged, with wearing
Deeply in vivo, elongate slot 217 will continue to expose and provide air flow inlet pricker.What two elongate slots 217 were plugged simultaneously completely
Probability is extremely low.Although puncture needle 200 described in this example only includes two elongate slots 217, but can also be using more narrow
Elongated slot.
Figure 10-12 depicts another embodiment and punctures shank 210a.The puncture shank 210a has and puncture needle
210 identical near-end 211 of bar and identical hollow bar 210, which differs only in distal end.The puncture shank 210 is also comprising remote
End 216a and summit 219a and beveled distal end 218d therebetween.The beveled distal end is by the first conical surface 218a, the second conical surface 218b
And plane 218c is constituted, wherein the drift angle of the first conical surface 218a is less than the drift angle of the second taper seat 218b, then described to incline far
End 218d defines its side (side of the first conical surface 218a) shape less than opposite side (side of the second conical surface 218b).Institute
The first conical surface 218a is stated comprising completely penetrating through the elongate slot 217a of its conical surface, the elongate slot 217a closes on area from summit 219a
Domain starts proximally to extend, and its bearing of trend is not parallel with the direction of axis line of the puncture shank 210a, and elongate slot 217a
Width it is proximally gradually broadening by distal end.Second conical surface 218b includes the elongate slot 217b for completely penetrating through its conical surface, institute
State elongate slot 217b to start proximally to extend from the close region of summit 219a, its bearing of trend not with the puncture shank 210a
Direction of axis line it is parallel, and the width of elongate slot 217b is proximally gradually broadening by distal end.Those skilled in the art should hold
It is readily conceivable that, the shape of the puncture needle distal disclosed in prior art has a lot, and other shapes are also what is be contemplated that, are changed
Become the shape for puncturing needle distal without departing from the scope of the present invention.
Figure 13-15 depicts another embodiment puncture needle 200a.The puncture needle 200a includes puncture shank 210,
Sound-producing device 290, handle lower cover 250 and handle storehouse 270a.The handle storehouse 270a is essentially identical with handle storehouse 270, the handss
Handle storehouse 270a includes the cavity 273 that top 271 and side wall 272 are formed, and four fixed columns 274 are approximately distributed on top 271 simultaneously
From inside cavity 273 to remote extension, the fixed column 274 includes blind hole 275.The top 271 is also comprising from cavity 273
Hollow pipe 276 of the portion to remote extension.The side wall 272 includes sound-producing device installation position 278a.The sound-producing device 290 is included
Cylindrical wall 292 and vibrating diaphragm 294, the vibrating diaphragm 294 include multiple long and narrow seams 296.
Primary Reference Figure 15, the puncture needle 200a are essentially identical with the assembling mode of the puncture needle 200, and its difference exists
Sound-producing device 230 is not assembled on the puncture shank 210 of the puncture needle 200a, but sound-producing device 290 is arranged on into handss
At the sound-producing device installation position 278a of handle storehouse 270a and it is glued fixation, but can also be using other known sides of being mechanically fixed
Method.As it was noted above, the puncture needle 200a runs through thimble assembly 100, operation doctor's finger grip gas-tight silo 110 and palm is tight
Patch handle storehouse, is punctured via the skin incisions of point of puncture.Once the top of the puncture needle 200a punctures stomach wall and inclines
Tiltedly distal end 218 enters abdominal cavity, then the gas of preset pneumoperitoneum is through elongate slot 217, hollow bar 214 and handle storehouse 270a, and from sending out
The long and narrow seam 296 of acoustic device 290 is discharged, and causes 294 vibration at high speed of the vibrating diaphragm to send clear bright sound.Operation doctor
Hear this sound, you can accurately judge that puncturing needle distal has penetrated stomach wall, stop immediately applying larger to direction in patient's body
Puncture force, but and then it is slow, cautious, the mode for rotating back and forth continues separate and swell muscle and tissue, makes set
The distal end of tube assembly also completely penetrates through stomach wall.Although in this scheme, the sound-producing device 290 is arranged on the 270a of handle storehouse, so
And also by handle storehouse and shank slightly adaptation can be punctured, and sound-producing device 290 is arranged on and is punctured in shank.Meanwhile,
Although in this scheme, the correspondence of the sound-producing device 290 long and narrow seam 296 such as Figure 14 shows, 296 linear shapes of single long and narrow seam,
But long and narrow seam 296 can also be designed to the combined shaped of curve shape or straight line and curve.
Many different embodiments and the example of the present invention are had shown and described.One ordinary skill of this area
Personnel, without departing from the scope of the invention, can make adaptation to methods described and apparatus by suitably modified.
For example do simple adaptation using the puncture needle distal end shape disclosed in other inventions, for example with whistle, reed etc. its
His sound-producing device, for example, change installation site of sound-producing device etc..Several kinds of amendment schemes are referred, for this area
For technical staff, other amendment schemes are also what is be contemplated that.Therefore the scope of the present invention should according to accessory claim,
The particular content for being understood not to the structure for being shown and recorded by description and accompanying drawing, material or behavior simultaneously is limited.
Claims (9)
1. one kind includes proximal handle, hollow bar, beveled distal end and summit without knife puncture needle；One end connection of the beveled distal end
Hollow bar and its other end connects summit, the beveled distal end includes inclined outer surface and the blind hole structure with hollow bar UNICOM,
It is characterized in that：
The inclined outer surface include elongate slot, the elongate slot penetrate the inclined outer surface and with the blind hole UNICOM, institute
Elongate slot is stated from the beginning of the close region on the summit, along the proximally facing extension of the inclined outer surface；
It is described without knife puncture needle also include sound-producing device, the sound-producing device directly or indirectly with hollow bar UNICOM.
2. puncture needle as claimed in claim 1, it is characterised in that the inclined outer surface includes at least 2 elongate slots.
3. puncture needle as claimed in claim 1, it is characterised in that the distance between the elongate slot and described summit less than etc.
In 5mm.
4. puncture needle as claimed in claim 1, it is characterised in that the width of the elongate slot is less than or equal to 2mm.
5. puncture needle as claimed in claim 1, it is characterised in that the sound-producing device is made up of metal material, comprising sounding
Gap and vibrating reed, when air-flow passes through the sounding gap, the vibrating reed vibration sends sound.
6. puncture needle as claimed in claim 1, it is characterised in that the sound-producing device includes vibrating diaphragm, the vibrating diaphragm bag
Gap containing sounding, when air-flow passes through the sounding gap, the vibrating diaphragm vibration sends sound.
7. puncture needle as claimed in claim 4, it is characterised in that the sound-producing device is arranged on hollow bar.
8. puncture needle as claimed in claim 5, it is characterised in that the sound-producing device is arranged on handle.
9. the method that a kind of puncture needle of use as described in any one of claim 1-8 sets up puncture channel, it is characterised in that institute
The step of stating method be：
S1:Operation doctor sets up pneumoperitoneum to patient in advance；
S2:Operation doctor adopts the puncture needle and coordinates thimble assembly, is punctured via the skin incisions of point of puncture；
S3:When the beveled distal end of the puncture needle penetrates patient's stomach wall, the air-flow of pneumoperitoneum is through the long and narrow of the beveled distal end
Groove is flowed into, and flows out and drive sound-producing device sounding from sound-producing device, so as to the distal end for reminding operator's puncture needle penetrates
Patient's stomach wall, operation doctor reduce puncture force immediately；
S4:Operation doctor is slow, continues separate and swell muscle and tissue, make thimble assembly remote by the way of rotating back and forth
End stops puncturing after completely penetrating through stomach wall, adjusts the position of thimble assembly after removing puncture needle again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611125659.5A CN106510812A (en) | 2016-12-09 | 2016-12-09 | Cutter-free puncture needle capable of emitting sound |
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| CN201611125659.5A CN106510812A (en) | 2016-12-09 | 2016-12-09 | Cutter-free puncture needle capable of emitting sound |
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| CN106510812A true CN106510812A (en) | 2017-03-22 |
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| CN201611125659.5A Pending CN106510812A (en) | 2016-12-09 | 2016-12-09 | Cutter-free puncture needle capable of emitting sound |
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| CN109984812A (en) * | 2017-12-31 | 2019-07-09 | 江苏风和医疗器材股份有限公司 | A kind of centreless puncture outfit |
| CN111166437A (en) * | 2020-02-17 | 2020-05-19 | 杭州三坛医疗科技有限公司 | Auxiliary method for epidural anesthesia needle placement |
| WO2021057281A1 (en) * | 2019-09-24 | 2021-04-01 | 周星 | Puncture rod and trocar |
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