CN201750897U - Paracentesis tube-setting device - Google Patents
Paracentesis tube-setting device Download PDFInfo
- Publication number
- CN201750897U CN201750897U CN2010202454576U CN201020245457U CN201750897U CN 201750897 U CN201750897 U CN 201750897U CN 2010202454576 U CN2010202454576 U CN 2010202454576U CN 201020245457 U CN201020245457 U CN 201020245457U CN 201750897 U CN201750897 U CN 201750897U
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- Prior art keywords
- puncture
- pipe
- flexible pipe
- stay pipe
- flexible
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- Expired - Lifetime
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Abstract
The utility model relates to the medical field, especially to a paracentesis tube-setting device. The technical project of the utility model is that the paracentesis tube-setting device includes a puncturing needle, a hose tube sleeved inside the puncturing needle and a supporting tube socketed with the hose tube and projecting from the tail end of the hose tube, and a spring which two ends are respectively abutted against the supporting tube and the puncturing needle is arranged between the supporting tube and the puncturing needle. By means of the utility model, an operator can easily and effectively determine whether the puncturing needle reach a right position or not, and the hose tube can be retained by one time of puncturing so as to prevent patients from pains and risks due to many times of puncturing and improve safety of puncturing.
Description
Technical field
This utility model 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.
The utility model content
The purpose of this utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model preferred, described flexible pipe has the straight tube of a plurality of slotted eyes for the head side.
As of the present utility model preferred, described stay pipe tail end is provided with sealing-plug.
In sum, the utlity model 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 this utility model is described in further detail.
This specific embodiment only is to explanation of the present utility model; it is not to restriction of the present utility model; 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 utility model.
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.
Handle 12 is connected with flexible bag 13; Stay pipe 3 tail ends pass spring 4 and pass handle 12 and stretch in the flexible bag 13, and after syringe needle 11 arrived the tram, the length that syringe needle 11 enters human body should be shorter than the length that stay pipe 3 exceeds handle 12.
Seal between flexible bag 13, handle 12 and syringe needle 11 threes and be connected.
Flexible bag 13 transparent, and the operator can see clearly outside flexible bag 13 that the expanding-contracting action of stay pipe 3 is to determine whether syringe needle 11 has reached correct position.
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 (10)
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).
2. a kind of puncture cannulation instrument according to claim 1 is characterized in that, 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).
3. a kind of puncture cannulation instrument according to claim 2 is characterized in that, 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).
4. a kind of puncture cannulation instrument according to claim 3 is characterized in that, seals between described flexible bag (13), handle (12) and syringe needle (11) three to be connected; Described flexible bag (13) is transparent.
5. according to claim 1 or 2 or 3 or 4 described a kind of puncture cannulation instruments, it is characterized in that described flexible pipe (2) head is provided with one or more pores (21).
6. a kind of puncture cannulation instrument according to claim 5 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.
7. according to claim 1 or 2 or 3 or 4 or 6 described a kind of puncture cannulation instruments, it is characterized in that described flexible pipe (2) afterbody is an interface (22).
8. a kind of puncture cannulation instrument according to claim 7 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.
9. according to claim 1 or 2 or 3 or 4 or 6 or 8 described a kind of puncture cannulation instruments, it is characterized in that described flexible pipe (2) is the Memorability curved spout.
10. according to claim 3 or 4 described a kind of puncture cannulation instruments, it 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 |
|---|---|---|---|
| CN2010202454576U CN201750897U (en) | 2010-07-02 | 2010-07-02 | Paracentesis tube-setting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202454576U CN201750897U (en) | 2010-07-02 | 2010-07-02 | Paracentesis tube-setting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750897U true CN201750897U (en) | 2011-02-23 |
Family
ID=43601301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202454576U Expired - Lifetime CN201750897U (en) | 2010-07-02 | 2010-07-02 | Paracentesis tube-setting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750897U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912291A (en) * | 2010-07-02 | 2010-12-15 | 魏云海 | Puncture cannulation instrument |
| CN103637854A (en) * | 2013-12-20 | 2014-03-19 | 魏云海 | Rabbit portal vein thrombosis model |
| CN104274868A (en) * | 2013-07-11 | 2015-01-14 | 宁波市海曙思力德贸易有限公司 | Drainage set |
| CN109771004A (en) * | 2019-01-15 | 2019-05-21 | 朱晓峰 | A kind of thoracic surgery drain pleural effusion sting device |
-
2010
- 2010-07-02 CN CN2010202454576U patent/CN201750897U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912291A (en) * | 2010-07-02 | 2010-12-15 | 魏云海 | Puncture cannulation instrument |
| CN101912291B (en) * | 2010-07-02 | 2011-12-07 | 魏云海 | Puncture cannulation instrument |
| CN104274868A (en) * | 2013-07-11 | 2015-01-14 | 宁波市海曙思力德贸易有限公司 | Drainage set |
| CN104274868B (en) * | 2013-07-11 | 2017-06-13 | 宁波市海曙思力德贸易有限公司 | A kind of drainage kit |
| CN103637854A (en) * | 2013-12-20 | 2014-03-19 | 魏云海 | Rabbit portal vein thrombosis model |
| CN109771004A (en) * | 2019-01-15 | 2019-05-21 | 朱晓峰 | A kind of thoracic surgery drain pleural effusion sting device |
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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: 20110223 Effective date of abandoning: 20111207 |