CN101912291B - Puncture cannulation instrument - Google Patents
Puncture cannulation instrument Download PDFInfo
- Publication number
- CN101912291B CN101912291B CN2010102158986A CN201010215898A CN101912291B CN 101912291 B CN101912291 B CN 101912291B CN 2010102158986 A CN2010102158986 A CN 2010102158986A CN 201010215898 A CN201010215898 A CN 201010215898A CN 101912291 B CN101912291 B CN 101912291B
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- CN
- China
- Prior art keywords
- puncture
- pipe
- flexible pipe
- stay pipe
- puncture needle
- 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.)
- Expired - Fee Related
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- 210000003128 head Anatomy 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 14
- 238000011282 treatment Methods 0.000 abstract description 5
- 241000521257 Hydrops Species 0.000 description 12
- 206010030113 Oedema Diseases 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 210000000056 organ Anatomy 0.000 description 7
- 239000003814 drug Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000005213 imbibition Methods 0.000 description 4
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 238000003973 irrigation Methods 0.000 description 3
- 210000001835 viscera Anatomy 0.000 description 3
- 210000000683 abdominal cavity Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the field of medical treatment, in particular to a puncture cannulation instrument. The invention is realized through the following technical scheme: the puncture cannulation instrument comprises a puncture needle, a hose sleeved in the puncture needle and a supporting tube sleeved with the hose and going beyond the tail end of the hose; and a spring of which the two ends are contacted with the supporting tube and the puncture needle is arranged between the supporting tube and the puncture needle. The puncture cannulation instrument can make an operator simply, conveniently and effectively determine whether the puncture needle reaches a correct position and puncture at one time and remain the hose simultaneously, avoids the pain and risks brought to a patient due to repeated puncture, and improves the puncture safety.
Description
Technical field
The present invention relates to a kind of medical puncturing tube placing device tool.
Background technology
Puncture technique is a kind of effective means of clinical diagnosis and clinical treatment, generally is used for diagnosis, pathology collection, purposes such as splanchnocoel irrigation and drainage, drug infusion or discharge opeing (gas) treatment.
Present clinical puncture needle commonly used is 94244548.1 patent disclosed " a kind of Puncture needle sleeve " as China Patent No., its in piercing process often feel and the experience with the operator judge whether syringe needle arrives the tram; This just brings sizable difficulty to the operator, and judging nicety rate is low, and is careless slightly, the easy surrounding organ of stabbing, its consequence possibility threat to life is dangerous high; Accept puncture person and often also therefore produce the psychology of fear; On the other hand, can't when puncture, keep somewhere the drainage tube that is used for irrigation and drainage, treatment of drug perfusion simultaneously, bring great misery and risk to patient so must repeatedly puncture.
In sum, for puncture technique, and following problem to be solved:
1, how easier, safe, determine whether puncture needle arrives the tram effectively;
2, indwelling drainage tube in one-time puncture how.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, can make the operator determine simple and effectively whether puncture needle has reached the puncture cannulation instrument of tram again, and can in one-time puncture, keep somewhere flexible pipe, avoid the misery and the risk that repeatedly puncture and bring, improved the safety of puncture to patient.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of puncture cannulation instrument, comprise puncture needle, be sheathed in the puncture needle flexible pipe and with tube socket and exceed the stay pipe of flexible pipe tail end, be provided with between stay pipe and the puncture needle two ends respectively with stay pipe, the inconsistent spring of puncture needle.
When spring was not compressed, stay pipe and flexible pipe exceeded the puncture needle front end; In piercing process, be subjected to the resistance of tissue, spring is compressed, stay pipe and flexible pipe contract to puncture needle inside, after puncture needle enters human body body cavity (as thoracic cavity, abdominal cavity) resistance and reduces, stay pipe and flexible pipe are promptly ejected by spring, show that with this puncture needle syringe needle has reached the tram, have solved the deficiency in the background technology; Flexible pipe and stay pipe are fitted, and tension force slightly between the two, leave the gap between flexible pipe and the puncture needle inwall, to make things convenient for the expanding-contracting action of stay pipe and flexible pipe.
As of the present invention preferred, described stay pipe and flexible pipe tail end junction are provided with flange; Described puncture needle comprises syringe needle and handle, and the syringe needle afterbody is provided with the pin medicated cap, and handle and pin medicated cap are for removably connecting; Handle is spacing edge near stay pipe one end, and described spring is located between flange and the spacing edge.
Between handle and the pin medicated cap for the optimal way that removably connects be handle with the pin medicated cap between adopt and be threaded.
As of the present invention preferred, described puncture needle also comprises the flexible bag of fixedlying connected with handle; Described stay pipe tail end passes handle and is arranged in flexible bag.
Flexible bag also can be the tubular articles with Telescopic.
As preferably, flexible bag is connected with the handle one; After puncture needle arrives the tram, pinch pressure stretch and contract bag afterbody until pinching stay pipe, after slowly withdraw from puncture needle outside withdrawing from human body; For conveniently withdrawing from puncture needle, stay pipe exceeds the length that the length of handle all should enter human body greater than syringe needle.
As of the present invention preferred, seal between described flexible bag, handle and the syringe needle three and be connected; Described flexible bag is transparent.
Flexible bag is transparent, makes the operator can clearly see the expanding-contracting action of stay pipe, whether has reached correct position with definite puncture needle.
As of the present invention preferred, described flexible pipe head is provided with one or more pores.
As preferably, the flexible pipe head is provided with a plurality of pores, and the relative single hole of a plurality of pores can guarantee that imbibition (gas) is unobstructed in imbibition (gas) process; As preferably, pore should be little and many, can guarantee that in imbibition (gas) process the uptake of hydrops (gas) can avoid the single hole flexible pipe to surrounding organ absorption damage again.
As of the present invention preferred, described stay pipe head is provided with the through hole that communicates with pore on the flexible pipe; Described stay pipe is transparent.
As preferably, the stay pipe head is provided with the through hole that pore a plurality of and on the flexible pipe communicates, and after puncture needle arrived the tram, part hydrops (gas) can flow in the stay pipe, to avoid this part hydrops (gas) to clamp-on between flexible pipe and the stay pipe, destroy the sealing between flexible pipe and the stay pipe.
As of the present invention preferred, described flexible pipe afterbody is an interface.
After puncture needle arrives the tram, should remove puncture needle and stay pipe successively, and flexible pipe be linked to each other with other medical instrument by interface, suffer from intravital hydrops (gas) or in patient's body, inject medicine to get rid of.
As of the present invention preferred, described interface is and the hard tube of flexible pipe soft section one that the hard tube outer wall is provided with screw thread.
The flexible pipe tail end also can not be provided with the hard hickey, after removing puncture needle and stay pipe successively, can with other medical instrument directly and tube socket suffer from intravital hydrops (gas) or inject medicine in patient's body to get rid of.
As of the present invention preferred, described flexible pipe is the Memorability curved spout.
As preferably, flexible pipe is the Memorability curved spout, can avoid taking place the ordinary straight flexible pipe injures the organ around the fluid collection chamber easily in the port problem; Wherein the Memorability curved spout may be defined as the swan-neck of being made by certain flexible material that is the shape that inwardly curls, the supported pipe body of the pipe of bending supports to straight tube when this pipe is enclosed within outside the stay pipe, but after stay pipe breaks away from this pipe, this pipe reverts to the original shape that inwardly curls automatically, is described Memorability curved spout.
As of the present invention preferred, described flexible pipe has the straight tube of a plurality of slotted eyes for the head side.
As of the present invention preferred, described stay pipe tail end is provided with sealing-plug.
In sum, the present invention has following beneficial effect:
1, in piercing process, be subjected to the resistance of tissue, spring is compressed, stay pipe and flexible pipe contract to puncture needle inside, after puncture needle enters human body body cavity (as thoracic cavity, abdominal cavity) resistance and reduces, stay pipe and flexible pipe are promptly ejected by spring, show that with this puncture needle syringe needle has reached the tram, have solved the deficiency in the background technology; The expanding-contracting action of stay pipe can be observed by transparent flexible bag;
2, one-time puncture can be kept somewhere flexible pipe simultaneously, in order to treatments such as irrigation and drainage, drug infusions; Flexible pipe is " drainage tube " described in the background technology;
3, the pore of flexible pipe head is little and many, can guarantee that in the imbibition process uptake of hydrops (gas) can avoid the single hole flexible pipe to surrounding organ absorption damage again;
4, the internal organs in it expand or displacement is easily scratched by straight shape tube head after hydrops (gas) is sucked away, if flexible pipe is the Memorability curved spout, can avoid taking place the problem of the organ of above-mentioned normal straight tube around injuring easily in the port;
5, flexible pipe is opened the straight tube of a plurality of slotted eyes for the head side, then when since stay pipe when withdrawing from human body or hydrops (gas) draw, when surrounding organ was oppressed to the flexible pipe head end, the flexible pipe head end was yielding, plays cushioning effect, avoids damaging internal organs;
6, the flexible pipe tail end is provided with interface, can be used for flexible pipe is connected with other medical instrument, with discharge opeing (gas) or injection medicine.
Description of drawings
Fig. 1 is embodiment 1 a structure cut-away view;
Fig. 2 is an A portion enlarged drawing among Fig. 1;
Fig. 3 is the structural representation of Memorability curved spout among the embodiment 1;
Fig. 4 is a flexible pipe sketch map among the embodiment 2.
Among the figure, 1, puncture needle, 2, flexible pipe, 3, stay pipe, 4, spring, 31, flange, 11, syringe needle, 111, the pin medicated cap, 12, handle, 121, spacing edge, 13, flexible bag, 21, pore, 32, through hole, 22, interface, 23, slotted eye, 33, sealing-plug.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is an explanation of the invention; it is not a limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this description, but as long as all are subjected to the protection of Patent Law in claim scope of the present invention.
Embodiment 1: a kind of puncture cannulation instrument as shown in Figures 1 to 3, comprises puncture needle 1, be arranged with flexible pipe 2 in the puncture needle 1, slightly gapped between puncture needle 1 and the flexible pipe 2, flexible pipe 2 is socketed with stay pipe 3, flexible pipe 2 head ends paste mutually with stay pipe 3 head ends, and stay pipe 3 tail ends exceed flexible pipe 2 tail ends.
Stay pipe 3 is provided with flange 31 with flexible pipe 2 tail end junctions; Puncture needle 1 comprises syringe needle 11, syringe needle 11 afterbodys are provided with pin medicated cap 111, pin medicated cap 111 handle 12 that has been threaded, handle 12 is spacing edge 121 near stay pipe 3 one ends, be provided with spring 4 between flange 31 and the spacing edge 121, when ejecting stay pipe 3, should be merely able to the head end of stay pipe 3 and flexible pipe 2 is slightly exceeded the needle point of syringe needle 11; Spacing edge 121 is provided with three buckles, and snap fit connects spring 4, is buckled in not shown.
Seal between flexible bag 13, handle 12 and syringe needle 11 threes and be connected.
Stay pipe 3 heads are provided with a plurality of through holes 32, and when stay pipe 3 head ends pasted mutually with flexible pipe 2 head ends, the part pore 21 on the flexible pipe 2 communicated with through hole 32, and the aperture of through hole 32 is greater than the aperture of pore 21.
Stay pipe 3 tail ends are provided with sealing-plug 33 sealings, when syringe needle 11 arrived the tram, some hydrops can enter in the stay pipe 3 stay pipe 3 transparent settings through pore 21 and through hole 32, because flexible bag 13 also transparent, the operator can see above-mentioned situation outside flexible bag 13.
In piercing process, the operator shows that then syringe needle 11 has reached the tram if see that stay pipe 3 ejects in human body; If lose sight of the expanding-contracting action of stay pipe 3 accidentally, but see in the stay pipe 3 and flowed into hydrops, show also that then syringe needle 11 has reached the tram; Stop puncture this moment, pinch pressure stretch on the other hand and contract bag 13 until pinching stay pipe 3, another hands pinches handle 12, syringe needle 11 is withdrawed from outside the human body, after pinch flexible pipe 2 and outwards slowly move back stay pipe 3, when stay pipe 3 head ends withdraw from outside the human body but still are positioned at flexible pipe 2, clamp flexible pipe 2 a section between stay pipe 3 head ends and human body with clip, slowly withdraw from stay pipe 3 again until breaking away from flexible pipe 2, be connected other medical instrument this moment again with interface 22, to extract hydrops (gas) or injection Drug therapy in patient's body out.
Embodiment 2: be that with the difference of embodiment 1 as shown in Figure 4, described flexible pipe 2 is a straight tube, straight tube head side has a plurality of slotted eyes 23.
The effect that slotted eye 23 is set is as follows: when stay pipe 3 withdraws from human body or hydrops (gas) when drawing, surrounding organ is to the compressing of flexible pipe 2 head ends, and at this moment, flexible pipe 2 head ends are yielding, play cushioning effect, avoid damaging internal organs.
Claims (7)
1. puncture cannulation instrument, it is characterized in that, comprise puncture needle (1), be sheathed in the puncture needle (1) flexible pipe (2) and with flexible pipe (2) socket and exceed the stay pipe (3) of flexible pipe (2) tail end, be provided with between stay pipe (3) and the puncture needle (1) two ends respectively with stay pipe (3), the inconsistent spring (4) of puncture needle (1); Described stay pipe (3) is provided with flange (31) with flexible pipe (2) tail end junction; Described puncture needle (1) comprises syringe needle (11) and handle (12), and syringe needle (11) afterbody is provided with pin medicated cap (111), and handle (12) and pin medicated cap (111) are for removably connecting; Handle (12) is spacing edge (121) near stay pipe (3) one ends, and described spring (4) is located between flange (31) and the spacing edge (121);
Described puncture needle (1) also comprises the flexible bag (13) of fixedlying connected with handle (12); Described stay pipe (3) tail end passes handle (12) and is arranged in flexible bag (13);
Seal between described flexible bag (13), handle (12) and syringe needle (11) three and be connected; Described flexible bag (13) is transparent.
2. a kind of puncture cannulation instrument according to claim 1 is characterized in that, described flexible pipe (2) head is provided with one or more pores (21).
3. a kind of puncture cannulation instrument according to claim 2 is characterized in that, described stay pipe (3) head is provided with a through hole (32) that communicates with pore (21) on the flexible pipe (2) at least; Described stay pipe (3) is transparent.
4. a kind of puncture cannulation instrument according to claim 3 is characterized in that, described flexible pipe (2) afterbody is an interface (22).
5. a kind of puncture cannulation instrument according to claim 4 is characterized in that, described interface (22) is and the hard tube of flexible pipe (2) soft section one that the hard tube outer wall is provided with screw thread.
6. a kind of puncture cannulation instrument according to claim 5 is characterized in that, described flexible pipe (2) is the Memorability curved spout.
7. a kind of puncture cannulation instrument according to claim 1 is characterized in that, described flexible pipe (2) has the straight tube of a plurality of slotted eyes (23) for the head side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102158986A CN101912291B (en) | 2010-07-02 | 2010-07-02 | Puncture cannulation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102158986A CN101912291B (en) | 2010-07-02 | 2010-07-02 | Puncture cannulation instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101912291A CN101912291A (en) | 2010-12-15 |
| CN101912291B true CN101912291B (en) | 2011-12-07 |
Family
ID=43320061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102158986A Expired - Fee Related CN101912291B (en) | 2010-07-02 | 2010-07-02 | Puncture cannulation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101912291B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102125456A (en) * | 2011-03-31 | 2011-07-20 | 浙江大学 | Novel artery puncture trocar |
| CN103637854A (en) * | 2013-12-20 | 2014-03-19 | 魏云海 | Rabbit portal vein thrombosis model |
| KR102508406B1 (en) * | 2016-08-24 | 2023-03-10 | 큐렉소 주식회사 | Medical Probe |
| CN109224150B (en) * | 2018-10-30 | 2024-08-16 | 南京市胸科医院 | Hydrops pjncture needle with strut netted support |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385684Y (en) * | 1999-08-16 | 2000-07-05 | 世运医疗器具商社株式会社 | Puncture trocar for laparoscope operation |
| CN2620543Y (en) * | 2003-05-09 | 2004-06-16 | 邓舒文 | Thoracico-abdominal fluid puncture drainage device |
| CN2922815Y (en) * | 2006-06-22 | 2007-07-18 | 韩东 | Spring-type injury chest-abdomen-cavity puncturing needle |
| CN101239217A (en) * | 2007-08-10 | 2008-08-13 | 张亚根 | Safety type artery and vein indwelling needle with needleless closed positive pressure interface |
| CN101700419A (en) * | 2009-05-09 | 2010-05-05 | 魏云海 | Extension-type puncture needle tool |
| CN201750897U (en) * | 2010-07-02 | 2011-02-23 | 魏云海 | Paracentesis tube-setting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030130621A1 (en) * | 2002-01-04 | 2003-07-10 | Bryan Vincent E. | Spinal needle system |
-
2010
- 2010-07-02 CN CN2010102158986A patent/CN101912291B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385684Y (en) * | 1999-08-16 | 2000-07-05 | 世运医疗器具商社株式会社 | Puncture trocar for laparoscope operation |
| CN2620543Y (en) * | 2003-05-09 | 2004-06-16 | 邓舒文 | Thoracico-abdominal fluid puncture drainage device |
| CN2922815Y (en) * | 2006-06-22 | 2007-07-18 | 韩东 | Spring-type injury chest-abdomen-cavity puncturing needle |
| CN101239217A (en) * | 2007-08-10 | 2008-08-13 | 张亚根 | Safety type artery and vein indwelling needle with needleless closed positive pressure interface |
| CN101700419A (en) * | 2009-05-09 | 2010-05-05 | 魏云海 | Extension-type puncture needle tool |
| CN201750897U (en) * | 2010-07-02 | 2011-02-23 | 魏云海 | Paracentesis tube-setting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101912291A (en) | 2010-12-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 |