CN214414890U

CN214414890U - Simple puncture outfit

Info

Publication number: CN214414890U
Application number: CN202023199171.1U
Authority: CN
Inventors: 马博平; 万建峰
Original assignee: Changzhou Xin Neng Yuan Medical Stapler Co ltd
Current assignee: Changzhou Xin Neng Yuan Medical Stapler Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-19
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to a simple puncture outfit, which comprises a sleeve pipe component, a puncture knife component, a choke valve component, a sealing valve component and a handle shell component; the puncture knife assembly is arranged in the sleeve assembly in a lifting manner, the top end of the puncture knife assembly is in transmission fit with the handle shell assembly, the choke valve assembly comprises a valve body, a choke valve and a choke valve pressing ring, the valve body is fixedly arranged at the top of the sleeve assembly, one side of the valve body is provided with an air inlet connector, the air inlet connector is provided with an air injection switch, the sleeve and the choke valve are designed in a split manner, and the cut residual tissues can be taken out easily after the operation; the gas injection switch carries out axial spacing through spacing annular with the spacing ring platform, can avoid air inlet joint gas leakage, easily controls.

Description

Simple puncture outfit

Technical Field

The utility model relates to the technical field of minimally invasive surgical instruments, in particular to a simple puncture outfit.

Background

In the prior art, a puncture outfit used in thoracic and laparoscopic surgeries generally comprises a puncture needle, a puncture cannula and an outer sheath, and mainly comprises the steps of penetrating human tissues by using the outer sheath and the cannula, then drawing away the inner puncture cannula, and establishing an inlet and a tissue taking-out port of an endoscope and a surgical instrument. The technique belongs to a part of minimally invasive surgery, and the influence of less bleeding on a patient in the surgery is small; the postoperative suture area is small, the scar is not obvious, and the condition of excessive bleeding in the open type operation and the large-area suture scar caused by the open type operation postoperative suture are avoided.

Patent document No. CN105030306B entitled puncture device discloses a puncture device, including: a puncture needle, a puncture cannula and an outer sheath; the puncture needle is inserted into the puncture sleeve, a first connecting pipe is arranged on the puncture sleeve, a connecting groove is further formed in the pipe wall of the puncture sleeve, the puncture sleeve is inserted into the outer sheath, a connecting channel is formed between the connecting groove and the outer sheath, a second connecting pipe is arranged at the upper part of the outer sheath, an annular air bag is arranged at the lower part of the outer sheath, the second connecting pipe is communicated with the annular air bag through the connecting channel, a slidable check ring is further arranged on the outer sheath, and a lock catch used for locking the check ring on the outer sheath is further arranged on the check ring; the puncture needle comprises a base, a cap, a connecting cylinder, a puncture conical head and a puncture knife; the base is provided with a mounting hole, the connecting cylinder is arranged in the mounting hole in a sliding manner, the puncture knife comprises a blade and a knife bar, the knife bar is inserted into the connecting cylinder and fixed on the cap, and the connecting cylinder is connected with the puncture conical head; the puncture outfit is convenient for medical personnel to use, the phenomena of slipping and air leakage are reduced, and the reliability of the puncture outfit is improved.

The sealing of the puncture outfit is realized by the check valve assembly, the structure of the puncture outfit comprises a valve core, an annular valve cover and an airtight ring, the structure is complex, and the air tightness is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple and easy puncture ware of simple structure, easy assembly.

In order to solve the technical problem, the utility model provides a simple puncture outfit, including thimble assembly, puncture knife tackle spare, choke valve subassembly, seal valve subassembly, handle shell subassembly, puncture knife tackle spare liftable sets up in thimble assembly, the top of puncture knife tackle spare and handle shell subassembly transmission fit, choke valve subassembly includes valve body, choke valve clamping ring, the valve body is fixed to be set up at the top of thimble assembly, and one side of valve body sets up the air inlet joint, sets up the gas injection switch on the air inlet joint, and the valve body sets up the valve body inner ring platform, sets up a plurality of valve body pilot holes that arrange on same circumference on the valve body inner ring platform, the top of choke valve sets up annular valve platform, and the bottom of choke valve sets up elastic sealing member, set up a plurality of valve platform pilot holes that arrange on same circumference on the annular valve platform, set up a plurality of grooves that keep away on same circumference on the choke valve clamping ring, the bottom end of the avoiding groove is provided with a plurality of clamping ring connecting columns which are matched with the valve body assembling holes and are arranged on the same circumference, the sealing valve assembly comprises a sealing valve, an upper valve body cover, a sealing valve fixing ring and a sealing valve mounting seat, the sealing valve comprises an annular valve disc, the middle part of the valve disc is provided with an elastic sealing part, the center of the elastic sealing part is provided with a through hole, the valve disc is provided with a plurality of valve disc assembling holes which are arranged on the same circumference, the sealing valve fixing ring is provided with a plurality of fixing ring assembling holes which are arranged on the same circumference, the bottom end of the annular sealing valve mounting seat is provided with a plurality of mounting seat connecting columns which are arranged on the same circumference and are matched with the valve seat assembling holes, the elastic sealing part at the bottom end of the choke valve penetrates through the valve body and is arranged in the sleeve assembly during assembly, and the clamping ring connecting columns are inserted into the valve body assembling holes so that the valve seat at the top end of the choke valve is arranged in the circumference formed by the clamping ring connecting columns, the mounting seat connecting column of the sealing valve mounting seat sequentially penetrates through the fixing ring mounting hole, the valve disc mounting hole, the avoiding groove and is inserted into the valve platform mounting hole, the top of the sealing valve mounting seat is arranged in the valve body upper cover, and the top of the puncture knife assembly sequentially penetrates through the elastic sealing element, the through hole of the elastic sealing part, the valve body upper cover and the handle shell assembly in a transmission fit mode.

Further, the sleeve assembly comprises a sleeve, a puncture conical head and a sleeve base, wherein the top of the sleeve is provided with a choke valve mounting table, an elastic sealing piece at the bottom end of the choke valve is arranged on the choke valve mounting table, and two sides of the choke valve mounting table are provided with inserting buckles; the puncture conical head is fixedly arranged at the bottom end of the sleeve, the bottom end of the puncture conical head is provided with a knife edge, and the sleeve base is sleeved on the sleeve.

Furthermore, the center of the sleeve base is provided with a sleeve through hole, and the side wall of the sleeve through hole is provided with a plurality of clamping buckles for clamping the sleeve.

Further, choke valve subassembly still include with sleeve pipe base joint complex valve body bottom plate, the center setting of valve body bottom plate is suitable for the pilot hole that the sleeve pipe passed through, and the both sides setting of pilot hole is suitable for the eye-splice that the eye-splice passes through the groove, and the both sides that each eye-splice led to the groove set up the reference column, and the bottom of valve body sets up the locating hole with reference column looks adaptation, and the reference column inserts in the locating hole during the assembly for fixed valve body bottom plate and valve body.

Further, simple and easy puncture ware still includes the buckle, the both sides of valve body along the axial set up with the draw-in groove of eye-splice looks adaptation, still set up on the valve body with the communicating buckle mounting groove of draw-in groove, the buckle is arranged in the mounting groove, set up the eye-splice spacing groove with eye-splice looks adaptation on the buckle, set up the buckle spring between buckle and the valve body to buckle spring compression eye-splice can break away from the eye-splice spacing groove when making the buckle press.

Furthermore, the upper end surface of the valve disc is provided with a limit ring table, and the sealing valve fixing ring and the sealing valve mounting seat are arranged in the limit ring table.

Further, set up on the connector of admitting air with the communicating inlet channel in the valve body, set up on the connector of admitting air with inlet channel looks vertically switch mounting hole, set up rotatable gas injection switch on the switch mounting hole, the gas injection switch includes with switch mounting hole damping complex cylindricality chock plug and arrange the rotatory spanner on chock plug top in, radially sets up the air vent on the chock plug, the bottom of chock plug sets up spacing annular along circumference, set up in the switch mounting hole with spacing annular looks adaptation spacing ring platform to cooperate by spacing annular and spacing ring platform and carry out axial spacing during making the chock plug assembly, rotate rotatory spanner and air vent and inlet channel switch on when setting up with the inlet channel syntropy, the inlet channel is cut off when air vent and inlet channel are mutually perpendicular.

The technical effects of the utility model are that: (1) compared with the prior art, the simple puncture outfit of the utility model has the advantages that the sleeve and the choke valve are designed in a split type, so that the cut residual tissue can be taken out more easily after the operation; the gas injection switch performs axial limiting through the limiting ring groove and the limiting ring table, so that gas leakage of the gas inlet joint can be avoided, and the gas injection switch is easy to operate and control; (2) the choke valve and the valve body inner ring platform can be conveniently fixed by arranging the pressing ring connecting column; the sealing valve, the sealing valve fixing ring, the sealing valve mounting seat and the choke valve can be conveniently fixed by arranging the mounting seat connecting column; (3) the arrangement of the insert buckle and the buckle facilitates the assembly and the separation of the sleeve and the valve body; (4) the sealing valve can effectively seal the puncture knife assembly by arranging the elastic sealing part.

Drawings

The invention will be described in further detail with reference to the accompanying drawings:

fig. 1 is a schematic perspective view of a simple puncture instrument according to embodiment 1;

FIG. 2 is a schematic view of an exploded structure of the simple puncture outfit;

FIG. 3 is a schematic perspective view of the cannula;

FIG. 4 is a schematic perspective view of the sleeve mount and valve body base plate;

figure 5 is a schematic diagram of an exploded configuration of the choke valve assembly and the sealing valve assembly;

FIG. 6 is a schematic perspective view of the valve body;

FIG. 7 is a perspective view of the lancet assembly;

FIG. 8 is a schematic perspective view of a gas injection switch;

in the figure:

a sleeve 1, a puncture conical head 11, a choke valve mounting table 12, a latch 13,

a sleeve base 2, a clamping buckle 21, a valve body bottom plate 22, an assembling hole 22, a inserting buckle through groove 24 and a positioning column 25,

the valve body 3, the air inlet connector 31, the air injection switch 32, the buckle 33, the valve body inner ring platform 34, the valve body assembly hole 35, the plug 36, the vent hole 37, the limit ring groove 38, the rotary wrench 39,

the choke valve 4, the valve stand 41, the valve stand fitting hole 42, the choke valve pressing ring 43, the pressing ring connecting post 44, the escape groove 45,

the sealing valve 5, the valve disc 51, the valve disc fitting hole 52, the elastic sealing portion 53, the through hole 54, the retainer ring land 55,

a valve body upper cover 6, a sealing valve fixing ring 61, a fixing ring assembling hole 62, a sealing valve mounting seat 63, a mounting seat connecting column 64,

a base 7 of the handle shell is provided,

handle shell 8, spacing buckle 81, puncture cutter arbor 82, puncture blade 83, adapter 84, connecting rod 85, safety button 9.

Detailed Description

Embodiment 1 as shown in fig. 1 to 8, the simple puncture outfit of the present embodiment includes a cannula assembly, a puncture knife assembly, a choke valve assembly, a sealing valve assembly, and a handle housing assembly.

The puncture knife component comprises a connecting rod 85, an adapter 84, a puncture knife bar 82 and a puncture blade 83, the handle shell component comprises a handle shell 8, a handle shell base 7 and a safety button 9, limiting buckles 81 are arranged on two sides of the handle shell 8, and a base clamping groove matched with the limiting buckles 81 is arranged on the handle shell base 7 so that the handle shell 8 is in buckling fit with the handle shell base 7; a mounting hole is formed in the center of the handle shell base 7, a limiting baffle is arranged on the handle shell base 7, a limiting groove is formed in the limiting baffle, a positioning stop lever is arranged at the end of the limiting baffle, a pin is arranged at the bottom end of the safety button, a clamping groove is formed in the top end of the safety button, a second reset spring is arranged between the safety button and the handle shell, the specific structure of the handle shell base 7 is the prior art, and the patent document with the publication number of CN105030306B is referred to; the upper end of the connecting rod 85 is provided with a limiting block and an ejector rod, the specific connection mode among the connecting rod 85, the adapter 84, the puncture knife bar 82 and the puncture blade 83 is the prior art, the specific connection mode among the connecting rod 85, the handle shell base 7 and the safety button 9 is also the prior art, and the patent document with the publication number of CN105030306B is referred to, and the detailed description is omitted here.

The sleeve assembly comprises a sleeve 1, a puncture conical head 11 and a sleeve base 2, wherein the top of the sleeve 1 is provided with an air-lock valve mounting table 12, and two sides of the air-lock valve mounting table 12 are provided with inserting buckles 13; the choke valve assembly comprises a valve body 3, a choke valve 4 and a choke valve pressing ring 43, wherein the top of the choke valve 4 is provided with an annular valve table 41, the bottom of the choke valve 4 is provided with an elastic sealing member, and the elastic sealing member at the bottom end of the choke valve 4 is arranged on a choke valve mounting table 12; the valve body 3 is fixedly arranged at the top of the sleeve 1, one side of the valve body 3 is provided with an air inlet joint 31, the air inlet joint 31 is provided with an air injection switch 32, the valve body 3 is internally provided with a valve body inner ring platform 34, the valve body inner ring platform 34 is uniformly provided with 8 valve body assembly holes 35 which are arranged on the same circumference, the ring valve platform 41 is uniformly provided with 8 valve platform assembly holes 42 which are arranged on the same circumference, the choke valve pressure ring 43 is uniformly provided with 8 avoiding grooves 45 which are arranged on the same circumference, the bottom end of the avoiding groove 45 is provided with 8 pressure ring connecting columns 44 which are matched with the valve body assembly holes 35 and arranged on the same circumference, the sealing valve assembly comprises a sealing valve 5, a valve body upper cover 6, a sealing valve ring 61 and a sealing valve mounting seat 63, the sealing valve 5 comprises an annular valve disc 51, the middle part of the valve disc 51 is provided with an elastic sealing part 53, the center of the elastic sealing part 53 is provided with a through hole 54, the valve disc 51 is uniformly provided with 8 valve disc assembly holes 52 which are arranged on the same circumference, 8 fixed ring assembly holes 62 which are arranged on the same circumference are uniformly distributed on the sealing valve fixed ring 61, 8 mounting seat connecting columns 64 which are arranged on the same circumference and are matched with the valve platform assembly holes 52 are uniformly distributed at the bottom end of an annular sealing valve mounting seat 63, an elastic sealing piece at the bottom end of the choke valve 4 penetrates through the valve body 3 and is arranged on the choke valve mounting platform 12 of the sleeve during assembly, a pressing ring connecting column 44 is inserted into the valve body assembly hole 35 so that the valve platform 41 at the top end of the choke valve 4 is arranged in the circumference formed by the pressing ring connecting column 44, the mounting seat connecting column 64 of the sealing valve mounting seat 63 sequentially penetrates through the fixed ring assembly holes 62, the assembly valve disk 52, the avoiding groove 45 and is inserted into the valve platform assembly hole 42, the top of the sealing valve mounting seat 63 is arranged in the valve body upper cover 6, the top end of the connecting rod 85 sequentially penetrates through the elastic sealing piece, the through hole 54 of the elastic sealing part 53, the valve body upper cover 6 and the safety button 9 in a transmission fit manner, the top end of the puncture knife bar 82 extends out of the connecting rod 85 and is in transmission fit with the handle shell 8.

The puncture conical head 11 is fixedly arranged at the bottom end of the sleeve 1, the bottom end of the puncture conical head 11 is provided with a knife edge, and the sleeve base 2 is sleeved on the sleeve 1; the center of the sleeve base 2 is provided with a sleeve through hole, and the side wall of the sleeve through hole is provided with 6 clamping buckles 21 for clamping the sleeve 1.

The choke valve subassembly still includes with sleeve pipe base 2 joint complex valve body bottom plate 22, the center setting of valve body bottom plate 22 is suitable for the pilot hole 23 that sleeve pipe 1 passes through, the both sides of pilot hole 23 set up the eye-splice logical groove 24 that is suitable for eye-splice 13 to pass through, the both sides that each eye-splice led to the groove 24 set up reference column 25, the bottom of valve body 3 sets up the locating hole with reference column 25 looks adaptation, reference column 25 inserts in the locating hole during assembly for fixed valve body bottom plate 22 and valve body 3.

The simple puncture outfit further comprises a buckle 33, clamping grooves matched with the inserting buckles 13 are formed in the two sides of the valve body 3 along the axial direction, a buckle mounting groove communicated with the clamping grooves is further formed in the valve body 3, the buckle 33 is arranged in the mounting groove, inserting buckle limiting grooves matched with the inserting buckles 13 are formed in the buckle 33, and buckle springs are arranged between the buckle 33 and the valve body 3 so that the buckle springs compress the inserting buckles 13 to be separated from the inserting buckle limiting grooves when the buckle 33 is pressed.

The upper end face of valve disc 51 is provided with limit ring platform 55, and sealing valve retainer 61 and sealing valve mounting seat 63 are placed in limit ring platform 55.

The air inlet connector 31 is provided with an air inlet channel communicated with the interior of the valve body 3, the air inlet connector 31 is provided with a switch mounting hole perpendicular to the air inlet channel, the switch mounting hole is provided with a rotatable air injection switch 32, the air injection switch 32 comprises a cylindrical plug head 36 in damping fit with the switch mounting hole and a rotary wrench 39 arranged at the top end of the plug head 36, the plug head 36 is provided with a vent hole 37 along the radial direction, the bottom of the plug head 36 is provided with a limit ring groove 38 along the circumferential direction, a limit ring platform matched with the limit ring groove 38 is arranged in the switch mounting hole, so that the plug head is axially limited by matching the limit ring groove 38 and the limit ring platform during assembly, the air inlet channel is communicated when the rotary wrench 39 is rotated until the vent hole 37 is arranged in the same direction as the air inlet channel, and the air inlet channel is blocked when the vent hole 37 is perpendicular to the air inlet channel.

It should be understood that the above examples are only for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And that obvious changes and modifications may be made without departing from the spirit of the invention.

Claims

1. The utility model provides a simple puncture outfit, its characterized in that includes thimble assembly, puncture knife tackle spare, choke valve subassembly, sealed valve subassembly, handle shell subassembly, puncture knife tackle spare liftable sets up in the thimble assembly, puncture knife tackle spare's top and handle shell subassembly transmission cooperation, choke valve subassembly includes valve body, choke valve clamping ring, the fixed top that sets up at thimble assembly of valve body, one side of valve body sets up the air inlet connector, sets up the gas injection switch on the air inlet connector, and the valve body sets up valve body inner ring platform, sets up a plurality of valve body pilot holes of arranging on same circumference on the valve body inner ring platform, the top of choke valve sets up annular valve platform, and the bottom of choke valve sets up elastic sealing member, set up a plurality of valve platform pilot holes of arranging on same circumference on the annular valve platform, set up a plurality of grooves of avoiding of arranging on same circumference on the choke valve clamping ring, the bottom end of the avoiding groove is provided with a plurality of clamping ring connecting columns which are matched with the valve body assembling holes and are arranged on the same circumference, the sealing valve assembly comprises a sealing valve, an upper valve body cover, a sealing valve fixing ring and a sealing valve mounting seat, the sealing valve comprises an annular valve disc, the middle part of the valve disc is provided with an elastic sealing part, the center of the elastic sealing part is provided with a through hole, the valve disc is provided with a plurality of valve disc assembling holes which are arranged on the same circumference, the sealing valve fixing ring is provided with a plurality of fixing ring assembling holes which are arranged on the same circumference, the bottom end of the annular sealing valve mounting seat is provided with a plurality of mounting seat connecting columns which are arranged on the same circumference and are matched with the valve seat assembling holes, the elastic sealing part at the bottom end of the choke valve penetrates through the valve body and is arranged in the sleeve assembly during assembly, and the clamping ring connecting columns are inserted into the valve body assembling holes so that the valve seat at the top end of the choke valve is arranged in the circumference formed by the clamping ring connecting columns, the mounting seat connecting column of the sealing valve mounting seat sequentially penetrates through the fixing ring mounting hole, the valve disc mounting hole, the avoiding groove and is inserted into the valve platform mounting hole, the top of the sealing valve mounting seat is arranged in the valve body upper cover, and the top of the puncture knife assembly sequentially penetrates through the elastic sealing element, the through hole of the elastic sealing part, the valve body upper cover and the handle shell assembly in a transmission fit mode.

2. The simple puncture outfit of claim 1, wherein the sleeve assembly comprises a sleeve, a puncture cone, and a sleeve base, the top of the sleeve is provided with a choke valve mounting stand, the elastic sealing member at the bottom end of the choke valve is arranged on the choke valve mounting stand, and two sides of the choke valve mounting stand are provided with a plug-in buckle; the puncture conical head is fixedly arranged at the bottom end of the sleeve, the bottom end of the puncture conical head is provided with a knife edge, and the sleeve base is sleeved on the sleeve.

3. The simplified puncture outfit of claim 2, wherein the cannula base is centrally provided with a cannula through hole, and the side wall of the cannula through hole is provided with a plurality of clamping buckles.

4. The simple puncture outfit of claim 3, wherein the choke valve assembly further comprises a valve body bottom plate engaged with the sleeve base, a mounting hole for the sleeve to pass through is formed in the center of the valve body bottom plate, insertion and buckling through grooves for the insertion and buckling to pass through are formed on two sides of the mounting hole, positioning posts are arranged on two sides of each insertion and buckling through groove, positioning holes matched with the positioning posts are formed in the bottom of the valve body, and the positioning posts are inserted into the positioning holes during assembly.

5. The simple puncture outfit of any one of claims 1 to 4, which further comprises a buckle, wherein the valve body is provided with a clamping groove along the axial direction, the valve body is further provided with a buckle mounting groove communicated with the clamping groove, the buckle is arranged in the mounting groove, the buckle is provided with a buckle limiting groove matched with the buckle, and a buckle spring is arranged between the buckle and the valve body, so that the buckle spring compresses the buckle to be separated from the buckle limiting groove when the buckle is pressed.

6. The plain puncture outfit of claim 5, wherein the upper end surface of the valve disk is provided with a limit ring platform, and the sealing valve fixing ring and the sealing valve mounting seat are arranged in the limit ring platform.

7. The simple puncture outfit of claim 6, wherein the inlet connector is provided with an inlet channel communicating with the valve body, the inlet connector is provided with a switch mounting hole perpendicular to the inlet channel, the switch mounting hole is provided with a rotatable gas injection switch, the gas injection switch comprises a cylindrical plug head in damping fit with the switch mounting hole and a rotary wrench arranged at the top end of the plug head, the plug head is provided with a vent hole along the radial direction, the bottom of the plug head is provided with a limit ring groove along the circumferential direction, the switch mounting hole is internally provided with a limit ring platform matched with the limit ring groove, so that the plug head is axially limited by matching the limit ring groove and the limit ring platform when being assembled, the inlet channel is communicated when the rotary wrench is rotated until the vent hole is arranged in the same direction as the inlet channel, and the inlet channel is blocked when the vent hole is perpendicular to the inlet channel.