CN104068921B - Perforator - Google Patents
Perforator Download PDFInfo
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- CN104068921B CN104068921B CN201410292005.6A CN201410292005A CN104068921B CN 104068921 B CN104068921 B CN 104068921B CN 201410292005 A CN201410292005 A CN 201410292005A CN 104068921 B CN104068921 B CN 104068921B
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- sleeve pipe
- lower cover
- slot
- support bar
- cover
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- 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
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of perforator, it is primarily adapted for use in the laparoscopic surgery of human body.The present invention includes thimble assembly, black box, the gentle valve component of needle assembly, it is characterized in that: in thimble assembly, be also equipped with compression spring, support bar and alignment pin, compression spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover, and alignment pin and sleeve pipe top cap are integral and make to pass through interference fit between sleeve pipe upper cover and sleeve pipe lower cover；Sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and hole, support bar location；The lower end sealing lower cover is additionally provided with and seals the rotary buckle that lower cover is connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.The attachment structure design of the present invention is more reasonable, and sealing property is better, even and if in sterilizing, packaging, transportation, produce extruding, collision, vibrations, without making black box come off, design and safe and reliable.
Description
Technical field
The present invention relates to a kind of perforator, it belongs to medical apparatus and instruments, is primarily adapted for use in the laparoscopic surgery of human body.
Background technology
In prior art, human abdominal cavity operation is widely used perforator, is particularly used in Minimally Invasive Surgery field and laparoscopic surgery.Common perforator includes thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, air valve body assembly is connected with thimble assembly, owing to the attachment structure between each assembly designs not reasonable, it is easy to cause chronic leakage.
Chinese utility model patent application number 2013202959451 discloses one " perforator ", and it has also applied for invention simultaneously；This perforator includes thimble assembly, black box, needle assembly and plug valve, elastic sealing element in black box is the cone with a breach, and elastic sealing element has four, and the circumference cornerite of every is 300 °-340 °, its overlapping area is little, and sealing property is good not；Meanwhile, black box is stuck in by the through hole 2-27 of the three-back-shaped snap close 2-23 of spring 2-24 pretension by dead bolt 2-11；When needing to dismantle, being pressed by two three-back-shaped snap close 2-23, dead bolt 2-11 breaks off relations from through hole 2-27, takes down black box.This perforator has the disadvantage in that the structural design of the connection between thimble assembly and black box and three-back-shaped snap close 2-23 and connector thereof is all not reasonable in actual use, extruding, collision, vibrations etc. are easily produced in carrying out sterilizing, packaging, transportation, these uncontrollable factors very easily cause that black box comes off, increased risk when making it use, this risk includes bacterial index and exceeds standard, and black box is damaged；Meanwhile, three-back-shaped snap close 2-23 metal is made, complex process, and cost is high.
Chinese invention patent application number 2011102181154 discloses one " One-time-use Perforator ", spherical sealed seat 2 in this perforator adopts with housing 5 threadeds, but it is non-removable in operation process, when taking out when there being bigger tissue foreign body to need, can not pass through namely can not implement, narrow application range；Meanwhile, the axially extending bore of spherical sealing element 3 is a fixed value, and 5mm operating theater instruments can not, with the perforator of a specification, unless used transducer, use extremely inconvenient with 10mm operating theater instruments.
Chinese invention patent application number 2014100692568 discloses one " One-time-use Perforator ", and the choke sealing device in this perforator is non-disconnectable, when taking out when there being bigger tissue foreign body to need, can not pass through equally namely can not implement, narrow application range；Meanwhile, 5mm operating theater instruments and 10mm operating theater instruments can not with the perforator of a specification, unless use transducer, identical with disadvantages mentioned above；Additionally, its sealing device is made up of choke sealing shroud 16, sealing ring 18, insurance diaphragm seal 20, although three-layer sealed structure can improve sealing property, but it is the increase in apparatus resistance in operative process, and relatively costly.
Summary of the invention
The technical problem to be solved is to overcome above-mentioned deficiency existing in prior art, and provides the perforator that a kind of structural design is more reasonable, sealing effectiveness is better and packed and transported is safer.
This invention address that the problems referred to above be the technical scheme is that, this perforator includes thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, thimble assembly is provided with sleeve pipe, sleeve pipe lower cover, sleeve pipe upper cover and sealing cap, black box is provided with sealing lower cover, sealing ring, seal upper cover, seal lower cover, elastic sealing element, support member and sealing upper press cover, elastic sealing element is cone, it is characterized in that: in described thimble assembly, be also equipped with compression spring, support bar and alignment pin, compression spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover；Alignment pin and sleeve pipe top cap are integral, and they are all made of plastic, sleeve pipe upper cover and sleeve pipe lower cover interference fit；Described sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and hole, support bar location, described elongated slot, bayonet slot and support bar location Kong Jun are opened in the upper surface of sleeve pipe upper cover, bayonet slot connects with the above of elongated slot one end, locating slot connects with below the elongated slot other end, and spring eye positions hole with support bar and connects；The lower end of described sealing lower cover is additionally provided with and seals the rotary buckle that lower cover is connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.So that the attachment structure design between thimble assembly of the present invention and black box is more reasonable, sealing property is better, even and if in sterilizing, packaging, transportation produce extruding, collision, vibrations, without making black box come off, design and safe and reliable.
Elongated slot of the present invention, bayonet slot, locating slot, spring eye, alignment pin and support bar location Kong Jun have four, and they are distributed on respectively on sleeve pipe and cover；Described revotating card is buckled with four, and they are distributed under sealing respectively and cover；The design between thimble assembly and black box is made to reach optimum structure.
Air valve body assembly of the present invention is bonding with thimble assembly, and design is simpler, and effect might as well.
Elastic sealing element of the present invention has identical five, and the circumference cornerite of every is 225 °, and the overlapping area making elastic sealing element is big, and sealing effectiveness is better.
The overlapping angle of its every two pieces of elastic sealing element of the present invention is 153 °, and the overlapping area making elastic sealing element is big, and sealing effectiveness is better.
The angle of its hole centre line of elastic sealing element of the present invention is 18 °.
The present invention is compared with prior art, have the following advantages and effect: structural design is more reasonable, owing to being provided with compression spring, support bar and alignment pin in thimble assembly so that be demountable structure between thimble assembly and black box, bigger tissue foreign body can be taken out during operation；Owing to being provided with alignment pin, serve and compress the effect sealing cap, connecting sleeve pipe upper and lower covers；Elongated slot, bayonet slot, locating slot, spring eye and hole, support bar location is had so that black box will not be made in sterilizing, packaging, transportation to come off, and design and use are more safe and reliable owing to covering on sleeve pipe；Owing to elastic sealing element has identical five, the circumference cornerite of every is 225 °, and the overlapping angle of its every two pieces is 153 °, and the angle of its hole centre line is 18 °, and the overlapping area making elastic sealing element is big, and sealing effectiveness is better.
In a word, compared with number of patent application 2013202959451, the attachment structure design between thimble assembly and the black box of the present invention is more reasonable, it does not have the three-back-shaped snap close of protrusion and related components thereof, uses more safe and reliable.
Compared with number of patent application 2011102181154, it is demountable structure between thimble assembly and the black box of the present invention, bigger tissue foreign body can be taken out, and black box has on five its circumference of elastic sealing element to be formed with small through hole, there is bigger telescopicing performance, can by 10mm operating theater instruments, it is not necessary to use transducer.
Compared with number of patent application 2014100692568, it is demountable structure between thimble assembly and the black box of the present invention, bigger tissue foreign body can be taken out, and black box has on five its circumference of elastic sealing element to be formed with small through hole, there is bigger telescopicing performance, can by 10mm operating theater instruments, it is not necessary to use transducer；Meanwhile, the present invention only has two-layer to seal, and resistance is little and good seal performance.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation front view of thimble assembly of the present invention.
Fig. 3 is the structural representation top view of thimble assembly of the present invention.
Fig. 4 is the structural representation side view of thimble assembly of the present invention.
Fig. 5 is the structural representation sectional view of A-A in Fig. 3.
Fig. 6 is Fig. 5 superstructure enlarged diagram.
Fig. 7 is the structural representation front view (section view) of sleeve pipe upper cover of the present invention.
Fig. 8 is the structural representation top view of Fig. 7.
Fig. 9 is the structural representation axonometric chart of Fig. 8.
Figure 10 is the structural representation upward view of Fig. 7.
Figure 11 is the structural representation axonometric chart of Figure 10.
Figure 12 is the structural representation exploded perspective figure of black box of the present invention.
Figure 13 is the structural representation front view of Figure 12.
Figure 14 is the structural representation sectional view of black box of the present invention.
Figure 15 is the structural representation top view of elastic sealing element of the present invention.
Figure 16 is the structural representation of needle assembly of the present invention.
Figure 17 is the structural representation of shank assembly in Figure 16.
Figure 18 is the structural representation sectional view of air valve body assembly of the present invention.
Detailed description of the invention
Referring to Fig. 1-Fig. 6, the present invention is mainly made up of thimble assembly 1, black box 2, the gentle valve component 4 of needle assembly 3；Black box 2 is connected with thimble assembly 1 and needle assembly 3 respectively, and air valve body assembly 4 is bonding with thimble assembly 1；The gentle valve component 4 of thimble assembly 1, black box 2, needle assembly 3 is all detachable and installs.The present invention is mainly suitable for pin diameter in needle assembly 3 is the product of 10-12mm.
The thimble assembly 1 of the present invention includes sleeve pipe 11, sleeve pipe lower cover 12, sleeve pipe upper cover 13, seals cap 14, compresses spring 16, support bar 17 and alignment pin 18, sleeve pipe lower cover 12 is enclosed within sleeve pipe 11, sealing cap 14 and be positioned at sleeve pipe 11, compression spring 16 and support bar 17 contact with each other and are arranged between sleeve pipe lower cover 12 and sleeve pipe upper cover 13；Alignment pin 18 is connected with sleeve pipe upper cover 13, and they are all made of plastic, and technique is simple, and cost is low, passes through interference fit between sleeve pipe upper cover 13 and sleeve pipe lower cover 12.
Referring to Fig. 3-Figure 11, sleeve pipe upper cover 13 in thimble assembly 1 has elongated slot 131, bayonet slot 1311, locating slot 1312, spring eye 132 and hole 133, support bar location, here elongated slot 131, bayonet slot 1311 and hole 133, support bar location are all opened in the upper surface of sleeve pipe upper cover 13, the above connection of bayonet slot 1311 and elongated slot 131 one end, locating slot 1312 connects with below elongated slot 131 other end, and spring eye 132 positions hole 133 with support bar and connects.
In the present embodiment, elongated slot 131, bayonet slot 1311, locating slot 1312, spring eye 132, alignment pin 18 and hole 133, support bar location all have four, and they are distributed on sleeve pipe upper cover 13 respectively.
Referring to Figure 12-Figure 13, the black box 2(of the present invention is shown in Fig. 1) include sealing lower cover 21, sealing ring 22, sealing upper cover 23, sealing lower cover 24, elastic sealing element 25, space bar 26, support member 27 and seal upper press cover 28, elastic sealing element 25 is the cone with a breach；Wherein: sealing ring 22, sealing lower cover 24, elastic sealing element 25, space bar 26, support member 27 and sealing upper press cover 28 are respectively positioned on sealing lower cover 21 and seal between upper cover 23, when sealing the structure just defining Figure 14 after they are compressed and pass through ultrasonic bonding with sealing upper cover 23 by lower cover 21.
Referring to Fig. 1-Figure 14, the lower end sealing lower cover 21 in black box 2 is additionally provided with and seals the rotary buckle 211 that lower cover 21 is connected, and this rotary buckle 211 is matched with locating slot 1312 by the bayonet slot 1311 in thimble assembly 1 and elongated slot 131；In the present embodiment, rotary buckle 211 has four, and they are distributed on sealing lower cover 21 respectively.
Referring to Figure 12-Figure 15, in the present embodiment, elastic sealing element 25 has identical five, and the circumference wrap angle sigma of every is 225 °, and the overlapping angle of its every two pieces of elastic sealing element 25 is 153 °, and the angle β of its hole centre line of elastic sealing element 25 is 18 °.
Referring to Figure 16-Figure 17, in the present embodiment, needle assembly 3 includes shank assembly 31, card mirror block 32, card mirror switch 33, pin buckle 34 and pin bonnet 35；Wherein: card mirror block 32, card mirror switch 33, pin buckle 34 are sleeved between shank assembly 31 and pin bonnet 35, and shank assembly 31 and pin bonnet 35 connect and fix；Shank assembly 31 includes needle stand 311, needle tubing 312 and syringe needle 313, and they are all identical with the structure of prior art, no longer describe.
Referring to Figure 18, in the present embodiment, air valve body assembly 4 includes valve body 41 and spool 42, valve body 41 and spool 42 clamping.
Referring to Fig. 1-Figure 14, when thimble assembly 1 and black box 2 are installed, four rotary buckles 211 sealing lower cover 21 are alignd with four bayonet slot 1311 of sleeve pipe upper cover 13, it is pressed downwardly onto the end, then turn clockwise on earth so that rotary buckle 211, in the underface of locating slot 1312, is then loosed one's grip, the rotary buckle 211 sealing lower cover 21, under the effect of compression spring 16, is headed in the locating slot 1312 of sleeve pipe upper cover 13 by four support bars 17.
During dismounting, sealing lower cover 21 is pressed downwardly onto the end, then rotates counterclockwise to the end, make rotary buckle 211 in the underface of bayonet slot 1311, then loosing one's grip, the rotary buckle 211 sealing lower cover 21, under the effect of compression spring 16, is ejected the bayonet slot 1311 of sleeve pipe upper cover 13 by four support bars 17.
During operation, pierce through human body stomach wall by the present invention, then Wicresoft and laparoscopic surgery can be carried out in other operating theater instruments entrance human abdominal cavity from the present invention.
Specific embodiment described in this specification, as long as the undeclared concrete shape of its part and size, then this part can be any shape and size adapted with its structure；Meanwhile, the title that part takes can also be different.All equivalences done according to the structure described in inventional idea of the present invention, feature and principle or simple change, be all included in the protection domain of patent of the present invention.
Claims (6)
1. a perforator, including thimble assembly, black box, the gentle valve component of needle assembly, black box is connected with thimble assembly and needle assembly respectively, thimble assembly is provided with sleeve pipe, sleeve pipe lower cover, sleeve pipe upper cover and seals cap, black box is provided with sealing lower cover, sealing ring, sealing upper cover, seals lower cover, elastic sealing element, support member and sealing upper press cover, elastic sealing element is the cone with a breach, it is characterised in that:
Being also equipped with compression spring, support bar and alignment pin in described thimble assembly, compression spring and support bar contact with each other and are arranged between sleeve pipe lower cover and sleeve pipe upper cover；Alignment pin and sleeve pipe top cap are integral, and they are all made of plastic, sleeve pipe upper cover and sleeve pipe lower cover interference fit；
Described sleeve pipe covers and has elongated slot, bayonet slot, locating slot, spring eye and hole, support bar location, described elongated slot, bayonet slot and support bar location Kong Jun are opened in the upper surface of sleeve pipe upper cover, bayonet slot connects with the above of elongated slot one end, locating slot connects with below the elongated slot other end, and spring eye positions hole with support bar and connects；
The lower end of described sealing lower cover is additionally provided with and seals the rotary buckle that lower cover is connected, and this rotary buckle is matched with described locating slot by bayonet slot and elongated slot.
2. perforator according to claim 1, it is characterised in that: described elongated slot, bayonet slot, locating slot, spring eye, alignment pin and support bar location Kong Jun have four, and they are distributed on respectively on sleeve pipe and cover；Described revotating card is buckled with four, and they are distributed under sealing respectively and cover.
3. perforator according to claim 1 and 2, it is characterised in that: described air valve body assembly is bonding with thimble assembly.
4. perforator according to claim 1 and 2, it is characterised in that: described elastic sealing element has identical five, and the circumference cornerite of every is 225 °.
5. perforator according to claim 4, it is characterised in that: the overlapping angle of its every two pieces of described elastic sealing element is 153 °.
6. perforator according to claim 4, it is characterised in that: the angle of described its hole centre line of elastic sealing element is 18 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292005.6A CN104068921B (en) | 2014-06-26 | 2014-06-26 | Perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292005.6A CN104068921B (en) | 2014-06-26 | 2014-06-26 | Perforator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104068921A CN104068921A (en) | 2014-10-01 |
| CN104068921B true CN104068921B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410292005.6A Active CN104068921B (en) | 2014-06-26 | 2014-06-26 | Perforator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104068921B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615954B (en) * | 2014-11-08 | 2018-10-12 | 广州迪克医疗器械有限公司 | Puncture outfit containing silencing means |
| CN105662545B (en) * | 2014-11-16 | 2019-04-26 | 广州迪克医疗器械有限公司 | Radial seal assembly, end seal and puncture outfit |
| CN105769113B (en) * | 2014-12-23 | 2017-08-29 | 广州迪克医疗器械有限公司 | Apparatus locking switch and puncture outfit |
| CN105982719B (en) | 2015-02-07 | 2018-10-12 | 周星 | The anti-reverse mechanism and puncture outfit of puncture outfit |
| CN104799914B (en) * | 2015-04-08 | 2017-06-13 | 安徽奥弗医疗设备科技股份有限公司 | A kind of diaphragm seal diaphragm for laparoscope puncture outfit |
| CN107157508B (en) * | 2017-04-18 | 2020-11-03 | 合肥美亚光电技术股份有限公司 | Rotating device for CBCT skull supporting device and CBCT device with same |
| CN108272493B (en) * | 2018-03-12 | 2023-09-12 | 杰尼肯(苏州)医疗器械有限公司 | Small-sized laparoscope puncture outfit device |
| CN108294812B (en) * | 2018-03-12 | 2023-11-24 | 杰尼肯(苏州)医疗器械有限公司 | Laparoscope puncture outfit device |
| CN108261231B (en) * | 2018-03-12 | 2024-04-16 | 杰尼肯(苏州)医疗器械有限公司 | Puncture sleeve device of small-sized laparoscope puncture outfit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7727194A (en) * | 1993-09-07 | 1995-03-27 | Invamed, Inc. | Safety shielded, reusable trocar |
| US7597701B2 (en) * | 2003-09-30 | 2009-10-06 | Ethican Endo-Surgery, Inc. | Instrument lock assembly for trocar |
| TWM369134U (en) * | 2009-05-06 | 2009-11-21 | Bo-Yi Wang | Trocar |
| CN102335031B (en) * | 2011-08-01 | 2013-06-05 | 安徽奥弗医疗设备科技有限公司 | Disposable puncture outfit |
| CN203539415U (en) * | 2013-09-30 | 2014-04-16 | 常州市新能源吻合器总厂有限公司 | Puncture device with better sealing performance |
| CN204072247U (en) * | 2014-06-26 | 2015-01-07 | 浙江天松医疗器械股份有限公司 | A kind of perforator |
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2014
- 2014-06-26 CN CN201410292005.6A patent/CN104068921B/en active Active
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| CN104068921A (en) | 2014-10-01 |
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