CN102886098A - Split pneumothorax puncture needle - Google Patents
Split pneumothorax puncture needle Download PDFInfo
- Publication number
- CN102886098A CN102886098A CN201110203543XA CN201110203543A CN102886098A CN 102886098 A CN102886098 A CN 102886098A CN 201110203543X A CN201110203543X A CN 201110203543XA CN 201110203543 A CN201110203543 A CN 201110203543A CN 102886098 A CN102886098 A CN 102886098A
- Authority
- CN
- China
- Prior art keywords
- needle guard
- needle
- plane
- location division
- closing member
- 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
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a split pneumothorax puncture needle, which comprises a needle core and a needle guard, wherein the needle core comprises a needle core head part and a puncture part; and the needle guard has a split structure, and comprises a first needle guard and a second needle guard which are matched with each other. Key points are that: the first needle guard comprises a first positioning part and a first guiding part which are integrated together; the first positioning part is provided with a first step surface; the first step surface is provided with at least one first positioning pin; the second needle guard comprises a second positioning part and a second guiding part which are integrated together; the second positioning part is provided with a second step surface which is matched with the first step surface; and the second positioning part is provided with a first positioning hole which corresponds to a first positioning pin on the second step surface. The split pneumothorax puncture needle is convenient to operate, and is rapid and accurate for puncturing; and after puncture is completed, the needle guard can be easily taken down from a drainage tube, so that pain of a patient can be reduced.
Description
Technical field
The invention belongs to technical field of medical instruments, relate to the thoracic cavity tube drainage device, particularly relate to a kind of thoracentesis needle.
Background technology
In the prior art, enter conduit to intrathoracic and generally cut first skin, blunt separation subcutaneous tissue and muscle, then will overlap has the puncture of needle guard nook closing member to thrust to the thoracic cavity from incision, then extracts nook closing member, and drainage tube is sent into the thoracic cavity from needle guard.When therefore drain is carried out in patient's thoracic cavity, this structure is difficult to needle guard is taken out from drainage tube, thereby causes larger misery to patient.
ZL200820023975.6 discloses a kind of thoracentesis needle needle guard, although this needle guard can take out needle guard from drainage tube, but because this needle guard is docked for lacking circular body by two lobe cross sections, be bolted formation, complicated operation when therefore taking out this needle guard, in the process of getting the pin needle guard, also can increase patient's misery; On the other hand, the needle guard assembling after the fractionation is also more loaded down with trivial details, and the assembling of bolt needs special instrument.
Therefore those skilled in the art be devoted to develop a kind of can be than the thoracentesis needle that is easier to needle guard is taken off from drainage tube.
Summary of the invention
Because the defects of prior art, technical problem to be solved by this invention provide a kind of can be than the thoracentesis needle that is easier to needle guard is taken off from drainage tube.
For achieving the above object, the invention provides a kind of split type thoracentesis needle, comprise nook closing member and needle guard, described nook closing member comprises nook closing member head and puncture section; Described needle guard is split-type structural, comprises the first needle guard and the second needle guard that are fitted to each other; Its key is: described the first needle guard comprises the first location division and first guide portion of integrative-structure; Be provided with the First terrace on described the first location division; Be provided with at least one first alignment pin on the described first step plane; Described the second needle guard comprises the second location division and second guide portion of integrative-structure; Be provided with the second step face that cooperates with described First terrace on described the second location division; Described the second location division is provided with first locating hole corresponding with described the first alignment pin at described second step face place, and when the first needle guard and the docking of the second needle guard, described the first alignment pin inserts the first locating hole, and described First terrace and second step face are fitted.
Because the first needle guard and the second needle guard are located by step surface, and locked by alignment pin, so the assembling of needle guard and split all very convenient.Needle guard assembling carefully, puncture needle inserts trepanning and punctures, puncture complete after, the First terrace is separated with the second step face, the first needle guard and the second needle guard be natural separation just.
For limiting the relative motion that produces circumferencial direction after the assembling of the first needle guard and the second needle guard, axially be symmetrically arranged with two described the first alignment pins along described needle guard on the described First terrace; Described the second location division is provided with two first locating holes corresponding with described the first alignment pin at described second step face place.
For ease of processing, described the first locating hole is through hole.
Better, described First terrace arranges with the end face homonymy of corresponding described nook closing member one side of described the first needle guard; The opposing setting of end face of described second step face and corresponding described nook closing member one side of described the second needle guard.
For ease of the location of nook closing member and needle guard, corresponding described needle guard one side of described nook closing member head is provided with at least one second alignment pin; Be provided with second locating hole corresponding with described the second alignment pin on the described needle guard.
Be that further restriction the first needle guard and the second needle guard produce the relative motion of circumferencial direction, corresponding described needle guard one side of described nook closing member head axially is symmetrically arranged with two the second alignment pins along described puncture section; Be respectively arranged with second locating hole corresponding with described the second alignment pin on described the first needle guard and the second needle guard.
Produce axially-movable for limiting the first needle guard and the second needle guard, be provided with at least one first stop inclined-plane on described the first guide portion; Be provided with the second stop inclined-plane that matches with described the first stop inclined-plane on described the second guide portion.
Be the safety of protection medical personnel when assembling and dismantle needle guard, the separating surface round-corner transition of described the first stop inclined-plane and described the first guide portion and described the second guide portion; The separating surface round-corner transition of described the second stop inclined-plane and described the second guide portion and the first guide portion.
For further restriction the first needle guard and the second needle guard generation axially-movable, be provided with at least one the 3rd stop inclined-plane on described the first location division; Be provided with the 4th stop inclined-plane that matches with described the 3rd stop inclined-plane on described the second location division.
Be the safety of protection medical personnel when assembling and dismantle needle guard, the separating surface round-corner transition of described the 3rd stop inclined-plane and described the first location division and described the second location division; The separating surface round-corner transition of described the 4th stop inclined-plane and described the second location division and the first location division.
The invention has the beneficial effects as follows: this utility model is easy to operate, puncture fast, accurately, puncture complete after, can very easily needle guard be taken off from drainage tube, so can reduce patient's misery.
Description of drawings
Fig. 1 is the structural representation of the first needle guard in the embodiment of the invention 1;
Fig. 2 is the structural representation of the second needle guard in the embodiment of the invention 1;
Fig. 3 is the front view of nook closing member in the embodiment of the invention 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the confined state schematic diagram of the embodiment of the invention 1;
Fig. 6 is the structural representation of the first needle guard in the embodiment of the invention 2;
Fig. 7 is the partial enlarged drawing at I place among Fig. 6;
Fig. 8 is the partial enlarged drawing at II place among Fig. 6;
Fig. 9 is the structural representation of the second needle guard in the embodiment of the invention 2;
Figure 10 is the partial enlarged drawing at A place among Fig. 9;
Figure 11 is the partial enlarged drawing at B place among Fig. 9;
Figure 12 is the assembling schematic diagram of the first needle guard and the second needle guard in the embodiment of the invention 2.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment 1: to shown in Figure 5, a kind of split type thoracentesis needle comprises nook closing member 1 and needle guard such as Fig. 1.Nook closing member 1 comprises nook closing member head 11 and puncture section 12, and needle guard is split-type structural, comprises the first needle guard 2 and the second needle guard 3 that are fitted to each other.
The first needle guard 2 comprises the first location division 23 and first guide portion 24 of integrative-structure.Be provided with First terrace 21 on the first location division 23, axially be symmetrically arranged with two the first alignment pins 22 along needle guard on the First terrace 21.
The second needle guard 3 comprises the second location division 33 and second guide portion 34 of integrative-structure.Be provided with second step face 31, the second location divisions 33 that cooperate with First terrace 21 on the second location division 33 and be provided with two first locating holes 32 corresponding with the first alignment pin 22 at second step face 31 places.
When the first needle guard 2 and 3 docking of the second needle guard, the first alignment pin 22 inserts the first locating hole 32, and First terrace 21 is fitted with second step face 31.
In the present embodiment, the end face 25 homonymy settings of First terrace 21 and the first needle guard 2 corresponding nook closing member 1 one sides, the end face 35 of second step face 31 and the second needle guard 3 corresponding nook closing member 1 one sides is back to setting.In other specific embodiment, First terrace 21 also can with the end face 25 of the first needle guard 2 corresponding nook closing member 1 one sides back to setting, the end face 35 homonymy settings of second step face 31 and the second needle guard 3 corresponding nook closing member 1 one sides are to reach essentially identical technique effect.
In the present embodiment, the first locating hole 32 is through hole, and namely this through hole extends to the second needle guard 3 near the end face 35 of nook closing member 1 one sides from second step face 31.In other specific embodiment, the first locating hole 32 also can not connect the second location division 33, to reach essentially identical technique effect.
Nook closing member head 11 corresponding needle guard one sides are respectively arranged with second locating hole 4 corresponding with the second alignment pin 13 along axially being symmetrically arranged with of puncture section 12 on two the second alignment pin 13, the first needle guards 2 and the second needle guard 3.
In the present embodiment, the hole heart line of two the first locating holes 32 is perpendicular to one another with the hole heart line of two the second locating holes 4.
When needing puncture, two the first alignment pins 22 are inserted in the first corresponding locating hole 32, and with First terrace 21 and 31 applyings of second step face, then two the second alignment pins 13 on the nook closing member head are inserted the second corresponding on the first needle guard 2 and the second needle guard 3 locating hole 4, can begin puncture.After puncturing successfully, first nook closing member 1 is extracted needle guard, then the first needle guard 2 is separated getting final product with the second needle guard 3.
Embodiment 2: extremely shown in Figure 12 such as Fig. 6, the structure of the present embodiment and embodiment 1 is basic identical, difference is: be provided with on the first guide portion 24 on the first stop inclined-plane 26, the second guide portion 34 and be provided with the second stop inclined-plane 36 that matches with the first stop inclined-plane 26; Be provided with the 3rd a stop inclined-plane 27 on the first location division 23; Be provided with the 4th stop inclined-plane 37 that matches with the 3rd stop inclined-plane 27 on the second location division 33.
Because the separating surface of stop inclined-plane and the first needle guard and the second needle guard may form sharp acute angle, therefore for preventing that medical personnel from assembling and being scratched when dismantling puncture needle, the separating surface round-corner transition of the first stop inclined-plane 26 and the first guide portion 24 and the second guide portion 24, the separating surface round-corner transition of the second stop inclined-plane 36 and the second guide portion 34 and the first guide portion 24.The separating surface round-corner transition of the 3rd stop inclined-plane 27 and the first location division 23 and the second location division 33, the separating surface round-corner transition of the 4th stop inclined-plane 37 and the second location division 23 and the first location division 23.
In other specific embodiment, the stop inclined-plane also can form the obtuse angle with the separating surface of needle guard, to reach essentially identical technique effect.
The operation principle of the present embodiment is identical with embodiment 1, but because the setting on each stop inclined-plane, therefore the assembling of puncture needle is more accurate, the more important thing is, the first needle guard and the second needle guard in the process of puncture, have been limited in axial relative motion, therefore puncture is more accurate, and has further reduced patient's misery.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all in the art technical staff all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a split type thoracentesis needle comprises nook closing member (1) and needle guard, and described nook closing member (1) comprises nook closing member head (11) and puncture section (12); Described needle guard is split-type structural, comprises the first needle guard (2) and the second needle guard (3) that are fitted to each other; It is characterized in that: described the first needle guard (2) comprises the first location division (23) and first guide portion (24) of integrative-structure; Be provided with First terrace (21) on described the first location division (23); Be provided with at least one first alignment pin (22) on the described first step plane (21); Described the second needle guard (3) comprises the second location division (33) and second guide portion (34) of integrative-structure; Be provided with the second step face (31) that cooperates with described First terrace (21) on described the second location division (33); First locating hole (32) corresponding with described the first alignment pin (22) located to be provided with at described second step face (31) in described the second location division (33), when the first needle guard (2) and the second needle guard (3) docking, described the first alignment pin (22) inserts the first locating hole (32), and described First terrace (21) is fitted with second step face (31).
2. split type thoracentesis needle as claimed in claim 1 is characterized in that: described First terrace (21) is upper axially to be symmetrically arranged with two described the first alignment pins (22) along described needle guard; Two first locating holes (32) corresponding with described the first alignment pin (22) are located to be provided with at described second step face (31) in described the second location division (33).
3. split type thoracentesis needle as claimed in claim 1 or 2, it is characterized in that: described the first locating hole (32) is through hole.
4. split type thoracentesis needle as claimed in claim 1 or 2 is characterized in that: end face (25) the homonymy setting of described First terrace (21) and corresponding described nook closing member (1) one side of described the first needle guard (2); The opposing setting of end face (35) of described second step face (31) and corresponding described nook closing member (1) one side of described the second needle guard (3).
5. split type thoracentesis needle as claimed in claim 1, it is characterized in that: corresponding described needle guard one side of described nook closing member head (11) is provided with at least one second alignment pin (13); Be provided with second locating hole (4) corresponding with described the second alignment pin (13) on the described needle guard.
6. split type thoracentesis needle as claimed in claim 5 is characterized in that: corresponding described needle guard one side of described nook closing member head (11) axially is symmetrically arranged with two the second alignment pins (13) along described puncture section (12); Be respectively arranged with second locating hole (4) corresponding with described the second alignment pin (13) on described the first needle guard (2) and the second needle guard (3).
7. split type thoracentesis needle as claimed in claim 1 is characterized in that: be provided with at least one first stop inclined-plane (26) on described the first guide portion (24); Be provided with the second stop inclined-plane (36) that matches with described the first stop inclined-plane (26) on described the second guide portion (34).
8. split type thoracentesis needle as claimed in claim 7 is characterized in that: the separating surface round-corner transition of described the first stop inclined-plane (26) and described the first guide portion (24) and described the second guide portion (24); The separating surface round-corner transition of described the second stop inclined-plane (36) and described the second guide portion (34) and the first guide portion (24).
9. split type thoracentesis needle as claimed in claim 1 is characterized in that: be provided with at least one the 3rd stop inclined-plane (27) on described the first location division (23); Be provided with the 4th stop inclined-plane (37) that matches with described the 3rd stop inclined-plane (27) on described the second location division (33).
10. split type thoracentesis needle as claimed in claim 9 is characterized in that: the separating surface round-corner transition of described the 3rd stop inclined-plane (27) and described the first location division (23) and described the second location division (33); The separating surface round-corner transition of described the 4th stop inclined-plane (37) and described the second location division (23) and the first location division (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203543XA CN102886098A (en) | 2011-07-20 | 2011-07-20 | Split pneumothorax puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110203543XA CN102886098A (en) | 2011-07-20 | 2011-07-20 | Split pneumothorax puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102886098A true CN102886098A (en) | 2013-01-23 |
Family
ID=47529909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110203543XA Pending CN102886098A (en) | 2011-07-20 | 2011-07-20 | Split pneumothorax puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102886098A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166000A1 (en) * | 2017-03-14 | 2018-09-20 | 山东省千佛山医院 | Apparatus for guiding post-puncture subcutaneous placement of indwelling drainage tube |
| CN111110988A (en) * | 2020-01-10 | 2020-05-08 | 山东省千佛山医院 | Device for submerging drainage tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201194831Y (en) * | 2008-04-24 | 2009-02-18 | 重庆亚弘医疗器械有限公司 | Puncture needle for split type thoracic drainage |
| CN201213829Y (en) * | 2008-06-12 | 2009-04-01 | 齐保龙 | Anocelia puncture needle sleeve |
-
2011
- 2011-07-20 CN CN201110203543XA patent/CN102886098A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201194831Y (en) * | 2008-04-24 | 2009-02-18 | 重庆亚弘医疗器械有限公司 | Puncture needle for split type thoracic drainage |
| CN201213829Y (en) * | 2008-06-12 | 2009-04-01 | 齐保龙 | Anocelia puncture needle sleeve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166000A1 (en) * | 2017-03-14 | 2018-09-20 | 山东省千佛山医院 | Apparatus for guiding post-puncture subcutaneous placement of indwelling drainage tube |
| US11446057B2 (en) | 2017-03-14 | 2022-09-20 | Shandong Provincial Qianfoshan Hospital | Apparatus for guiding subcutaneous placement of puncture indwelling drainage tube |
| CN111110988A (en) * | 2020-01-10 | 2020-05-08 | 山东省千佛山医院 | Device for submerging drainage tube |
| CN111110988B (en) * | 2020-01-10 | 2021-08-24 | 山东省千佛山医院 | Device for submerging drainage tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102886098A (en) | Split pneumothorax puncture needle | |
| CN201743745U (en) | Multiplex trocar for percutaneous puncture | |
| CN209966512U (en) | Integral type puncture sheath needle | |
| CN203138511U (en) | Safe blood taking needle sleeve | |
| CN204307161U (en) | Remaining needle needle point protector | |
| CN105214168A (en) | Venous detaining needle needle assembly | |
| CN103908732A (en) | Spatial dilator for endoscopic thyroidectomy | |
| CN204501832U (en) | A kind of gold-plated blunt nosed liposuction pipe | |
| CN204246599U (en) | Pyramid-type medical vein syringe needle | |
| CN206587242U (en) | It is a kind of to create hypodynia sense medical needle without interior | |
| CN209437287U (en) | Percutaneous puncture catheter needle | |
| CN203029784U (en) | Straightener capable of being torn of pigtail catheter | |
| CN202843728U (en) | Chest wall pierce type labyrinth card | |
| CN204671241U (en) | Therapeutic apparatus is peeped in extraordinary acupuncture V-type | |
| CN211156084U (en) | Peeling needle for treating true wrinkles | |
| CN205126362U (en) | Marrow puncture needle | |
| CN208231865U (en) | A kind of simple type tablet cutter | |
| CN207928359U (en) | Deep vein puncture needle | |
| CN203001080U (en) | Thoracocentesis drainage needle | |
| CN201398992Y (en) | Thorax puncture needle | |
| CN203842146U (en) | Drainage catheter | |
| CN203042389U (en) | Endorhachis outer puncture needle with assistant cathetering function | |
| CN110464448A (en) | Incision knife and its application method | |
| CN109011035A (en) | Minimally invasive autologous tissue's filling device | |
| CN202446547U (en) | Closed thoracic cavity drainage assisting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130123 |