CN211156121U - Laparoscope puncture needle - Google Patents
Laparoscope puncture needle Download PDFInfo
- Publication number
- CN211156121U CN211156121U CN201921458561.0U CN201921458561U CN211156121U CN 211156121 U CN211156121 U CN 211156121U CN 201921458561 U CN201921458561 U CN 201921458561U CN 211156121 U CN211156121 U CN 211156121U
- Authority
- CN
- China
- Prior art keywords
- needle
- sleeve
- tube
- laparoscopic
- plugging
- 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
Links
- 210000000683 abdominal cavity Anatomy 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 210000004204 blood vessel Anatomy 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000035876 healing Effects 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000002357 laparoscopic surgery Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000001575 pathological effect Effects 0.000 description 3
- 230000031877 prophase Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010060932 Postoperative adhesion Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a laparoscope puncture needle, which comprises a cylinder body, wherein the end of the cylinder body is provided with a connector; the piston structure can move back and forth along the length direction of the cylinder; the needle seat is detachably connected with the connector; the needle tube can penetrate into human tissue in the abdominal cavity and form a needle hole in the human tissue; and the plugging object is arranged at the lower part of the needle tube, and absorbs water to expand to plug the needle hole after the plugging object is contacted with the water of the needle hole. The utility model discloses a shutoff thing can carry out quick closure to the pinhole after going out the needle, and then reduces the outside outflow of liquid in the middle of the tissues such as blood vessel, and it is to having protected the patient, has accelerated the time of patient's pinhole healing.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a peritoneoscope pjncture needle.
Background
Laparoscopic surgery is a newly developed minimally invasive procedure in which three small 1 cm incisions are made in the patient's body, and a ducted working channel called "trocar" is inserted into each incision, through which all subsequent operations are performed; and then special lengthened surgical instruments are used for completing the same steps as the open surgery under the television monitoring, so that the same surgical effect is achieved.
The advantages of laparoscopic surgery after two-hole surgery are very obvious, firstly, the trauma is very small, only 2 small holes are needed, and the scar is very small, which is more remarkable for young people and women loving beauty. Secondly, the operation is a single-knife straight-in entry, the damage to surrounding tissues is reduced to the minimum, and the chance of postoperative adhesion is reduced. Third, the patient had significantly reduced pain from post-operative wounds. Fourthly, the number of hospital stay days is small, some patients can be discharged after 2-3 days, and the patients can completely recover health and put into operation after 7 days, so that the burden cost of the patients is greatly reduced, and the turnover rate of hospital beds is accelerated.
Extracting fluid from the diseased tissue to detect the condition of the lesion prior to performing the laparoscopic surgery; however, since the lesion is located in the abdominal cavity in the laparoscopic surgery, the conventional syringe has a short length, is difficult to insert into the abdominal cavity for drawing fluid, and leaves a needle hole in the body tissue during the drawing of fluid, and the needle hole causes the outward flow of blood, which causes damage to the body of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a laparoscope puncture needle which can rapidly seal the needle hole, in order to overcome the defects of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a laparoscope puncture needle comprises
The tail end of the cylinder body is provided with a connector;
the piston structure can move back and forth along the length direction of the cylinder;
the needle seat is detachably connected with the connector;
the needle tube can penetrate into human tissue in the abdominal cavity and form a needle hole in the human tissue;
and the plugging object is arranged at the lower part of the needle tube, and absorbs water to expand to plug the needle hole after the plugging object is contacted with the water of the needle hole.
The utility model is provided with the needle tube to be inserted into the abdominal cavity, and liquid at the pathological tissue part is extracted to carry out early detection, thereby judging the property of the pathological tissue part and further facilitating the targeted detection of the pathological tissue; and can carry out quick closure to the pinhole after going out the needle through the shutoff thing, and then reduce the outside outflow of liquid in the middle of the tissue such as blood vessel, it is to having protected the patient, has accelerated the time of patient's pinhole healing.
Preferably, the lower part of the needle tube is provided with a plurality of groove structures, and at least part of plugging objects are positioned in the groove structures; more plugging objects can be conveniently stored by arranging the groove body structure on the needle tube, and in the process that the needle tube is inserted into human tissues and pulled out from the human tissues, the human tissues can wipe the plugging objects in the groove body structure down to enable the plugging objects to be located at the needle holes, so that enough plugging objects are arranged to plug the needle holes after the needle tube is pulled out, the quick hemostasis effect is realized, the blood flow is reduced, and the recovery speed of the human tissues is improved.
Preferably, the needle sleeve is sleeved on the needle tube, and the upper part of the needle sleeve is detachably connected with the needle seat; the needle tube can be protected by arranging the needle sleeve, and the needle tube is ensured to be in a sterile state before being used.
Preferably, the lower part of the needle sleeve is provided with a filling cavity for containing the plugging substance, and after the needle tube is inserted into the needle sleeve, the plugging substance in the filling cavity partially enters the groove body structure; the needle sleeve is provided with the filling cavity, and the plugging substance is filled in the filling cavity, so that sufficient plugging substance can enter the groove body structure in the groove body structure, and the situation that the puncture needle is transported is avoided, and the sufficient plugging substance is always kept in the groove body structure.
Preferably, the lower part of the needle sleeve is provided with a blocking rod for blocking the blocking object in the filling cavity from entering the needle tube, and the blocking rod is at least partially inserted into the needle tube; the blocking rod can prevent the blocking object from entering the needle tube, so that the blocking object can not fall into the blood vessel when the needle tube is inserted into the blood vessel and other areas.
Preferably, the inner wall of the needle sleeve is provided with an elastically deformable sheet which is matched with the outer wall of the needle tube; through the elastic sheet, on one hand, the blocking object can be limited from falling out of the needle sleeve, and on the other hand, the blocking object can be stroked down when the needle tube is pulled out, so that the situation that a large amount of blocking objects are adhered to the outer wall of the needle tube to cause a large amount of blocking objects to fall into the abdominal cavity when the puncture needle is used is avoided.
Preferably, the upper part of the needle sleeve is provided with an internal thread, and the outer wall of the needle seat is provided with an external thread matched with the internal thread; the needle sleeve is in threaded connection with the needle seat, so that the needle sleeve is convenient to connect, has a sealing effect, and avoids the expansion failure of a plugging object in the needle tube due to the fact that a large amount of water vapor in the air enters the needle tube.
Preferably, the upper part of the needle sleeve is provided with a sealing structure matched with the needle seat; the puncture needle can achieve a better sealing effect through the sealing structure, and the quality guarantee period of the puncture needle is prolonged.
Preferably, the needle sleeve is provided with a rotating part with a rough outer wall; the rotating part can be convenient for taking off the needle sleeve in the process, and the operation is convenient.
Preferably, the outer wall of the needle tube is provided with a plurality of scale grooves; the scale groove is arranged to facilitate the judgment of the insertion depth of the puncture needle.
To sum up, the utility model discloses a shutoff thing can carry out quick closure to the pinhole after going out the needle, and then reduces the outside outflow of liquid in the middle of the tissues such as blood vessel, and it is to having protected the patient, has accelerated the time of patient's pinhole healing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Figure 4 is a partial cross-sectional view of a needle hub of the present invention.
Detailed Description
In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.
As shown in fig. 1-4, a laparoscopic puncture needle comprises a cylinder 1, a piston structure 2, a needle base 3, a needle tube 5, a stopper and a needle sheath 6, wherein the cylinder 1 is a plastic cylinder of a medical disposable syringe, the lower end of the cylinder 1 is provided with a connector 11 communicated with an internal cavity of the cylinder 1, and the connector 11 is a plastic tube integrally formed with the cylinder 1; the upper part of the barrel body 1 is provided with two symmetrically arranged limiting lugs 12, and the limiting lugs 12 are plastic blocks integrally formed with the barrel body 1; the piston structure 2 comprises a piston head 21 and a piston rod 22, the piston head 21 is a rubber head, the piston rod 22 is a plastic rod, and the piston rod 22 is connected with the piston head 21, so that liquid can be pumped and injected when the piston structure 2 moves back and forth along the length direction of the cylinder 1.
Further, the needle tube 5 is a metal tube, the upper part of the needle tube 5 is fixedly connected with the needle seat 3, and the needle seat 3 is a plastic seat which can be sleeved on the connector 11; a plurality of scale grooves 52 are formed in the outer wall of the needle tube 5, the scale grooves 52 are arranged at equal intervals, and the scale grooves 52 can judge the insertion depth of the needle tube 5 when the needle tube 5 is inserted into the abdominal cavity; the lower part of the needle tube 5 is provided with a plurality of groove body structures 51, the groove body structures 51 are grooves, the plugging object is partially positioned in the groove body structures 51, the plugging object is a medical hydrogel prophase object, the prophase object refers to a solid substance which is not expanded by water absorption of hydrogel, and the prophase object is the prior art, so the plugging object is not explained again; when the needle tube 5 is inserted into a human tissue (for example, a blood vessel, etc.) to form a needle hole, the meat on the human tissue scrapes off the blocking object in the groove body structure 51, and then the blocking object is left at the needle hole, so that the blocking object absorbs moisture in the human tissue and expands to block the needle hole, thereby forming a hemostatic effect.
Specifically, the needle guard 6 is sleeved on the needle tube 5 to protect the needle tube 5; the needle sleeve 6 is a plastic sleeve, the upper part of the needle sleeve 6 is provided with internal threads, the outer wall of the needle seat 3 is provided with internal threads, and after the needle sleeve 6 is inserted into the needle tube 5, the upper part of the needle sleeve 6 is in threaded connection with the needle seat 3; a sealing structure 64 is adhered to the upper part of the needle sleeve 6, the sealing structure 64 is a rubber ring, and after the needle sleeve 6 is connected with the needle seat 3, the sealing structure 64 is contacted with the needle seat 3 to realize sealing; meanwhile, the outer wall of the needle sleeve 6 is provided with a rotating part 65, and the rotating part 65 is a cylinder with a rough outer wall; when the needle hub 6 is rotated, the rotating portion 65 is pinched by fingers to rotate.
Further, a thin sheet 63 is adhered to the inner wall of the lower part of the needle sleeve 6, and the thin sheet 63 is an elastically deformable rubber sheet; said tabs 63 are in contact with the outer wall of the needle cannula 5 after said needle cannula 5 has been inserted into the needle hub 6; and a filling cavity 61 is arranged at the lower part of the needle sleeve 6, and the filling cavity 61 is a space at the lower part of the sheet; the filling cavity 61 is filled with the above-mentioned blocking object, and after the needle tube 5 is inserted into the needle sheath 6, the blocking object in the filling cavity 61 enters the groove body structure 51.
Specifically, a blocking rod 62 is arranged inside the needle sleeve 6, the blocking rod 62 is integrally formed with the needle sleeve 6, the lower part of the blocking rod 62 is located in the filling cavity 61, and the upper part of the blocking rod 62 is located outside the filling cavity 61; after the needle tube 5 is inserted into the needle sheath 6, the blocking rod 62 is inserted into the needle tube 5, so as to block the blockage in the filling cavity 61 from entering the needle tube 5 to block the needle tube 5.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Claims (10)
1. A laparoscopic needle comprising: comprises that
The device comprises a barrel body (1), wherein the tail end of the barrel body (1) is provided with a connector (11);
the piston structure (2) can move back and forth along the length direction of the cylinder (1);
the needle seat (3) is detachably connected with the connector (11);
the needle tube (5) can penetrate into human tissue in the abdominal cavity and form a needle hole in the human tissue;
and the plugging object is arranged at the lower part of the needle tube (5), and absorbs water to swell to plug the needle hole after the plugging object is contacted with the water of the needle hole.
2. A laparoscopic needle, according to claim 1, wherein: the lower part of the needle tube (5) is provided with a plurality of groove body structures (51), and at least part of plugging objects are positioned in the groove body structures (51).
3. A laparoscopic needle, according to claim 2, wherein: the needle sleeve is characterized by further comprising a needle sleeve (6) sleeved on the needle tube (5), and the upper part of the needle sleeve (6) is detachably connected with the needle seat (3).
4. A laparoscopic needle according to claim 3, wherein: the lower part of the needle sleeve (6) is provided with a filling cavity (61) for containing the plugging substance, and when the needle tube (5) is inserted into the needle sleeve (6), the plugging substance in the filling cavity (61) partially enters the groove body structure (51).
5. A laparoscopic needle according to claim 4, wherein: the lower part of the needle sleeve (6) is provided with a blocking rod (62) for blocking a blocking object in the filling cavity (61) from entering the needle tube (5), and the blocking rod (62) is at least partially inserted into the needle tube (5).
6. A laparoscopic needle according to claim 3, wherein: the inner wall of the needle sleeve (6) is provided with an elastically deformable sheet (63), and the sheet (63) is matched with the outer wall of the needle tube (5).
7. A laparoscopic needle according to claim 3, wherein: the upper part of the needle sleeve (6) is provided with an internal thread, and the outer wall of the needle seat (3) is provided with an external thread matched with the internal thread.
8. A laparoscopic needle according to claim 6, wherein: the upper part of the needle sleeve (6) is provided with a sealing structure (64) matched with the needle seat (3).
9. A laparoscopic needle according to claim 3, wherein: the needle sleeve (6) is provided with a rotating part (65) with a rough outer wall.
10. A laparoscopic needle, according to claim 1, wherein: the outer wall of the needle tube (5) is provided with a plurality of scale grooves (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458561.0U CN211156121U (en) | 2019-09-03 | 2019-09-03 | Laparoscope puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921458561.0U CN211156121U (en) | 2019-09-03 | 2019-09-03 | Laparoscope puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211156121U true CN211156121U (en) | 2020-08-04 |
Family
ID=71787997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921458561.0U Expired - Fee Related CN211156121U (en) | 2019-09-03 | 2019-09-03 | Laparoscope puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211156121U (en) |
-
2019
- 2019-09-03 CN CN201921458561.0U patent/CN211156121U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |