CN214857281U - Disposable puncture outfit - Google Patents
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- CN214857281U CN214857281U CN202121004599.8U CN202121004599U CN214857281U CN 214857281 U CN214857281 U CN 214857281U CN 202121004599 U CN202121004599 U CN 202121004599U CN 214857281 U CN214857281 U CN 214857281U
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Abstract
The utility model relates to a disposable puncture outfit, which belongs to the field of medical instruments, is a surgical instrument matched with a laparoscope, and is suitable for laparoscope examination and operation working channel establishment. Comprises a locking cap, a puncture cannula component, a locking sealing cap component, a locking switch, a choke sealing cap, an air injection valve, an air injection switch, a positioning ring, a one-way valve, a sealing patch and an air bag; the puncture cannula assembly consists of a puncture cannula seat and a puncture cannula, and the locking sealing cap assembly is provided with a cannula elastic sealing cap, a cannula sealing cap mounting seat, a locking fixing cover and a lower pressing cover. The outer side of the puncture sleeve is provided with a vent groove, and the vent groove extends forwards to the front part of the puncture sleeve along the axial direction of the puncture sleeve and passes through a wire tying groove; the air bag is arranged at the front end part of the puncture sleeve and fixed on the periphery of the binding line groove by bundling, and an air outlet hole arranged on the sealing patch conveys compressed air for the air bag to inflate the air bag; the middle part of the puncture cannula is sleeved with the positioning ring.
Description
Technical Field
The utility model relates to a disposable puncture outfit, which belongs to the field of medical instruments, is a surgical instrument matched with a laparoscope, and is suitable for laparoscope examination and operation working channel establishment.
Background
The puncture outfit is a surgical instrument which punctures the abdominal wall and provides a passage for other surgical instruments to enter the body cavity, belonging to a minimally invasive surgical instrument. The existing puncture outfit is of a single-hole straight pipe structure, is easy to swing in the using process and can be seriously separated from a human body, so that the operation process is influenced due to the slippage of the puncture outfit in the operation process, the wound of an operation patient is aggravated, and the recovery of the patient is delayed.
In order to solve prior art problem, provided patent application "sacculus puncture ware" including puncture sleeve pipe, including puncture sleeve pipe and wear to establish the puncture rod in puncture sleeve pipe, puncture sleeve pipe including the stereoplasm sleeve pipe body that is the tube-shape, stereoplasm sleeve pipe body one end be equipped with the casing seat that supplies puncture rod to pass, the cover is equipped with the soft tectorial membrane cover body of making by soft material in stereoplasm sleeve pipe body circumference outside. Thereby soft tectorial membrane cover circumference outside cover be equipped with and to restrain the restraint structure that soft tectorial membrane cover circumference outside was restrained and is prevented its circumference inflation. The circumferential outer side of the soft film-coated sleeve body is restrained by the restraining structure, so that the circumferential expansion of the soft film-coated sleeve body is prevented when the balloon is inflated or filled with liquid, the balloon is smoothly inflated, and the purpose of firm fixation is achieved. The complex structure of the puncture sleeve has the influence on the mutual sleeving between the flexible film covering sleeve body and the restraining sleeve body, the processing difficulty is higher, and the diameter using effect of the puncture sleeve is improved.
Disclosure of Invention
The utility model aims at the aforesaid is not enough to provide a disposable puncture ware, locking block has, the puncture sleeve subassembly, locking seal cap subassembly, the locking switch, the sealed cap of choke, gas injection valve, the gas injection switch, the position circle, the check valve, sealed paster, the gasbag, compact structure, safe in utilization, effective, can greatly reduce the wound area in clinical operation, shorten the operation time greatly, and convenient operation reduces patient's hemorrhage and postoperative infection, improves the operation quality simultaneously, and the postoperative is painful light, and the healing is fast. Because the fixing structure of the positioning ring and the air bag which respectively clamp the puncture outfit from the inside and the outside of the human body is adopted, the puncture outfit is firmly fixed after penetrating into the human body, is not easy to fall off in the operation process, and the clamping position can be conveniently adjusted through the positioning ring made of elastic soft materials.
The disposable puncture outfit is realized by adopting the following technical scheme
The disposable puncture outfit comprises a locking cap, a puncture cannula component, a locking sealing cap component, a locking switch, a choke sealing cap, an air injection valve, an air injection switch, a positioning ring, a one-way valve, a sealing patch and an air bag.
The puncture cannula subassembly constitute by puncture cannula seat, puncture cannula, the lower part is provided with the sealed cap mounting groove of choke in the puncture cannula seat, puncture cannula seat upper portion is provided with the sealed cap subassembly mounting groove of locking, the sealed cap of choke is installed in the sealed cap mounting groove of puncture cannula's choke, the sealed cap subassembly of locking is installed in the sealed cap subassembly mounting groove of locking on puncture cannula seat upper portion, compresses tightly sealed fixedly through locking block, sealing washer.
The locking sealing cap component is provided with a sleeve elastic sealing cap, a sleeve sealing cap mounting seat, a locking fixing cover and a lower pressing cover. The sleeve elastic sealing cap is arranged on the sleeve sealing cap mounting seat and is locked and fixed through the locking and fixing cover, and the lower pressing cover is arranged on the lower portion of the sleeve sealing cap mounting seat. The sleeve elastic sealing cap has elastic sealing function, can adjust tightness to adapt to different surgical instruments, and is inserted through the locking sealing assembly.
The locking cap and the sealing ring can be fixed together by ultrasonic welding and are arranged on the upper part of the puncture cannula seat. Two lock hooks are arranged at the lower part of the sealing ring. Two lock hook installation jacks are arranged at the upper part of the puncture cannula seat and used for locking hook installation and fixation. The upper part of the puncture cannula seat is provided with a locking switch inserting hole, and the locking switch is inserted into the locking switch inserting hole to lock and fix the locking cap, the sealing ring and the locking sealing cap component on the puncture cannula seat.
The sleeve elastic sealing cap is provided with a plurality of conical silica gel sheets and a silica gel pad, the conical silica gel sheets are sleeved on the silica gel pad and pressed into the sleeve elastic sealing cap through combination, the sleeve elastic sealing cap is provided with elastic wrinkles and is conical, and a mounting hole is formed in the bottom of the sleeve elastic sealing cap.
The sleeve sealing cap mounting base is provided with a mounting column and a mounting hole and is used for mounting the sleeve elastic sealing cap.
The locking fixing cover is provided with a mounting locking column and a mounting locking hole and is used for mounting a locking sleeve elastic sealing cap.
The lower pressing cover is provided with an installation pressing column and a supporting ring and is used for supporting the shaping sleeve elastic sealing cap.
The air-blocking sealing cap is a conical sealing cap and is made of elastic soft materials, and air-blocking sealing is achieved.
An air injection valve is arranged on one side of the puncture cannula seat, an air injection switch is arranged on the air injection valve, an air inlet hole and an air outlet are arranged on the air injection valve, the air injection valve is connected with an air source through a pipeline, and air is injected into the cavity of the punctured operation patient through the air injection valve in the operation process to form pneumoperitoneum, so that the operation is convenient.
The outer side of the puncture sleeve is provided with a vent groove, and the vent groove extends forwards to the front part of the puncture sleeve along the axial direction of the puncture sleeve and passes through a wire tying groove. Two wire binding grooves are arranged on the periphery of the front end part of the puncture sleeve.
The lower part of the puncture cannula seat is provided with a one-way valve, and the air outlet of the one-way valve is communicated with the ventilation groove on the outer side of the puncture tube. The sealing patch is sealed and pressed on the outer side of the vent groove of the puncture cannula, and the inner side of the sealing patch is provided with an air conveying groove, so that the vent groove forms an air conveying channel. Sealed paster one end be provided with the fixed block dress and insert and fix in the check valve bottom, sealed paster other end is provided with prick the wire casing and the venthole that correspond with puncture tube front end, be convenient for prick the fixed gasbag of line to supply air to the gasbag through the venthole.
The sealing patch is adhered or ultrasonically welded to seal the gland outside the vent groove of the puncture sleeve, so that the vent groove forms an air transmission channel.
The air bag is arranged at the front end part of the puncture sleeve and fixed on the periphery of the binding line groove through bundling, and the air outlet hole arranged on the sealing patch conveys compressed air for the air bag to inflate the air bag.
The position circle suit puncture sleeve pipe middle part, after puncture sleeve pipe inserted patient's cavity in the operation, the check valve passed through the air channel, through the sealed hole of giving vent to anger that pastes of ventilating to the gasbag, after the gasbag was full of gas, adjust the position circle position, press from both sides the position circle of suit and the gasbag through puncture sleeve pipe with the puncture ware on tight in patient's cavity tissue, can not rock, the surgical instruments of being convenient for carries out the surgery operation. After the operation is finished, the air injection valve is closed, the air injection switch is opened, the air in the cavity is discharged, the valve core of the one-way air injection valve is pressed, the air in the air bag is discharged, and the puncture cannula is taken out from the wall of the patient cavity.
The one-way valve is a one-way gas injection valve. The check valve is provided with a valve body, a valve seat, a valve core, a sealing ring and a spring, wherein the sealing ring is arranged on the valve core, and the spring pushes the sealing ring of the valve core against the valve seat of the valve body to realize one-way sealing. The air inlet of the valve body is connected with an air injection pipe and is connected with a compressed air source.
The air bag is made of elastic soft film materials.
The positioning ring is made of elastic soft materials.
Principle of operation
When the disposable puncture outfit is used, a puncture cone is matched, the disposable puncture outfit is used as a surgical instrument matched with a laparoscope, firstly, pneumoperitoneum is established, then, a small incision is cut at a proper position of the abdomen, the disposable puncture outfit is fixed on the abdomen with the pneumoperitoneum lifted by hands at a proper angle, a puncture sleeve of the disposable puncture outfit and the puncture cone are inserted into the small incision, a puncture cone handle cap of the puncture cone is pressed by hands to wrap an upper cover part and is pressed downwards, the puncture cone penetrates through the soft tissue lower layer by a puncture knife at the front end and carries a bevel face with the taper at the lower part of the puncture sleeve to enter the soft tissue, the puncture knife cone penetrates through the soft tissue of the abdomen of a patient until the abdominal cavity, and at the moment, the puncture sleeve is inserted into the abdominal cavity along with the puncture cone until the middle part of the puncture sleeve.
The puncture cone is pulled out from the puncture cannula, a valve switch at the upper part of the gas injection valve is opened, the gas is injected into the abdominal cavity of the patient from the puncture cannula through a gas inlet of the gas injection valve, the valve core and the valve body, the abdominal cavity of the patient is swelled, the valve switch 7 is closed, the abdominal cavity surgical instrument can enter the puncture cannula from the locking cover cap, the sealing ring, the cannula elastic sealing cap and the choke sealing cap of the disposable puncture outfit and is inserted into the abdominal cavity through the puncture cannula, because of the multiple seals such as the sealing ring, the sleeve elastic sealing cap, the air-blocking sealing cap and the like, the performance of the abdominal cavity sealing surgical instrument is good, the gas injected into the abdominal cavity can not leak, the puncture sleeve fixing structure of the puncture outfit which is respectively clamped from the inside and the outside of the human body, such as the positioning ring and the air bag, is adopted, the puncture outfit is firmly fixed after penetrating into a human body, can not shake, is not easy to fall off in the operation process, and can conveniently adjust the clamping position through the positioning ring made of elastic soft material. After the operation is finished, the surgical instrument is pulled out of the disposable puncture outfit, the valve switch is opened, the gas injected into the abdominal cavity of the patient is discharged out of the body from the exhaust port of the gas injection valve, after the injected gas is discharged, the valve core of the one-way valve is pressed, the gas filled in the air bag is discharged, the puncture cannula is taken out of the wall of the patient cavity, and the disposable puncture outfit can be pulled out of the abdominal cavity of the patient.
The disposable puncture outfit has reasonable design, compact structure, safe and effective use, can greatly reduce the wound area in clinical operation, greatly shortens the operation time, is convenient to operate, reduces the bleeding and postoperative infection of patients, simultaneously improves the operation quality, has light postoperative pain and fast healing. Because the puncture awl is provided with puncture knife, puncture knife handle, puncture awl head, puncture awl sleeve pipe, puncture awl upper casing pipe, puncture awl handle, percussion safety button and puncture awl handle block, can conveniently pierce through abdominal cavity tissue and can not fish tail other tissues in the abdominal cavity, because the adoption is provided with multiple sealings such as sealing washer, sleeve pipe elasticity sealing cap, choke sealing cap, and sealed abdominal cavity surgical instruments performance is good, and the gas can not leak in the injection abdominal cavity. The gas injected into the abdominal cavity through the gas injection valve of the disposable puncture outfit in the operation process can not leak out in the operation process, thereby ensuring the normal operation of the abdominal cavity operation and having safe and reliable use.
Because the puncture cannula fixing structure of the positioning ring and the air bag which respectively clamp the puncture outfit from the inside and the outside of the human body is adopted, the puncture cannula of the puncture outfit is firmly fixed after penetrating into the human body and can not shake, the puncture cannula is not easy to fall off in the operation process, and the clamping position can be conveniently adjusted through the positioning ring made of elastic soft materials.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic view of a single-use puncture instrument.
Fig. 2 is an exploded view of the disposable puncture outfit.
Fig. 3 is a schematic view of the locking cap structure of the disposable puncture outfit.
FIG. 4 is a schematic view of a piercing cannula assembly of the single use piercer.
FIG. 5 is a schematic view of the locking seal cap assembly of the single use puncture instrument.
Fig. 6 is a schematic view of the structure of the air-tight sealing cap of the disposable puncture outfit.
Fig. 7 is a schematic view of the locking switch structure of the disposable puncture outfit.
Fig. 8 is a schematic view of a sealing patch configuration for a single use lancet.
Fig. 9 is a schematic view of the structure of the sealing ring of the disposable puncture outfit.
In the figure: 1. the puncture needle comprises a locking cap, a puncture cannula assembly, a locking sealing cap assembly, a locking switch, a gas blocking sealing cap, a gas injection valve, a gas injection switch, a positioning ring, a one-way valve, a sealing patch, a gas bag, a sealing ring, a puncture cone and a puncture needle, wherein the locking cap 2 is connected with the puncture cannula assembly, the locking sealing cap assembly 3 is connected with the puncture cannula assembly 4 through the locking switch, the gas blocking sealing cap 6 is connected with the gas injection valve, the gas injection switch 7 is connected with the gas injection valve, the positioning ring 8 is connected with the one-way valve, the sealing patch 10 is connected with the puncture needle, and the sealing patch 11 is connected with the puncture needle;
2-1, a puncture cannula base, 2-2, a puncture cannula, 2-3, a vent groove, 2-4, a binding wire groove, 2-5, an air-blocking sealing cap mounting groove, 2-6 and a locking sealing cap assembly mounting groove;
3-1, 3-2 of a sleeve elastic sealing cap, 3-3 of a sleeve sealing cap mounting seat and 3-3 of a locking fixing cover;
9-1 parts of a valve body, 9-2 parts of a valve seat, 9-3 parts of a valve core, 9-4 parts of a sealing ring, 9-5 parts of a spring;
10-1 parts of fixing blocks, 10-2 parts of binding grooves, 10-3 parts of air outlet holes, 10-4 parts of air conveying grooves, 12-1 parts of lock hooks.
Detailed Description
Referring to fig. 1-9, the disposable puncture outfit comprises a locking cap 1, a puncture cannula assembly 2, a locking sealing cap assembly 3, a locking switch 4, a choke sealing cap 5, an air injection valve 6, an air injection switch 7, a positioning ring 8, a one-way valve 9, a sealing patch 10 and an air bag 11.
The puncture cannula assembly 2 consists of a puncture cannula seat 2-1 and a puncture cannula 2-2, the lower part in the puncture cannula seat 2-1 is provided with an air-blocking sealing cap mounting groove 2-5, the upper part of the puncture cannula seat 2-1 is provided with a locking sealing cap assembly mounting groove 2-6, the air-blocking sealing cap 5 is mounted in the air-blocking sealing cap mounting groove 2-5 of the puncture cannula, and the locking sealing cap assembly 3 is mounted in the locking sealing cap assembly mounting groove 2-6 on the upper part of the puncture cannula seat and is pressed, sealed and fixed through a locking cap 1 and a sealing ring 12.
The locking sealing cap component 3 is provided with a sleeve elastic sealing cap 3-1, a sleeve sealing cap mounting seat 3-2, a locking fixing cover 3-3 and a lower pressing cover 3-4. The sleeve elastic sealing cap 3-1 is arranged on the sleeve sealing cap mounting seat 3-2 and is locked 3-3 for fixation through a locking fixing cover, the lower part of the sleeve sealing cap mounting seat 3-2 is provided with a lower pressing cover 3-4, the sleeve elastic sealing cap 3-1 is provided with elastic wrinkles and is conical, has an elastic sealing effect and elastic wrinkles, can adjust tightness to adapt to different surgical instruments due to the conical shape, and is inserted into the sleeve elastic sealing cap 3-1 of the locking sealing component.
The locking cap 1 and the sealing ring 12 can be fixed together by ultrasonic welding and are arranged at the upper part of the puncture cannula seat. Two lock hooks 12-1 are arranged at the lower part of the sealing ring 12. Two lock hook installation jacks are arranged at the upper part of the puncture cannula seat 2-1 and are used for installing and fixing the lock hook 12-1. The upper part of the puncture cannula seat 2-1 is provided with a locking switch insertion hole, and a locking switch 4 is inserted into the locking switch insertion hole to lock and fix the locking cap 1, the sealing ring 12 and the locking sealing cap component 3 on the puncture cannula seat 2-1.
The sleeve elastic sealing cap 3-1 is provided with a plurality of conical silica gel sheets and silica gel pads, the conical silica gel sheets are sleeved on the silica gel pads and pressed into the sleeve elastic sealing cap 3-1 through combination, the sleeve elastic sealing cap 3-1 is provided with elastic wrinkles and is conical, and mounting holes are formed in the bottom of the sleeve elastic sealing cap 3-1.
The sleeve sealing cap mounting base 3-2 is provided with a mounting column 3-2-1 and a mounting hole 3-2-2 for mounting the sleeve elastic sealing cap 3-1.
The locking fixing cover 3-3 is provided with an installation locking column 3-3-1 and an installation locking hole 3-3-2 for installing a locking sleeve elastic sealing cap 3-1.
The lower pressing cover 3-4 is provided with an installation pressing column 3-4-1 and a support ring 3-4-2 for supporting the shaping sleeve elastic sealing cap 3-1.
The air-blocking sealing cap 5 is a conical sealing cap and is made of elastic soft materials, and air-blocking sealing is achieved.
An air injection valve 6 is arranged on one side of the puncture cannula seat 2-1, an air injection switch 7 is arranged on the air injection valve 6, an air inlet hole and an air outlet are formed in the air injection valve 6, the air injection valve 6 is connected with an air source through a pipeline, and air is injected into the cavity of the punctured operation patient through the air injection valve 6 in the operation process to form pneumoperitoneum, so that the operation is convenient.
The outer side of the puncture cannula 2-2 is provided with a vent groove 2-3, and the vent groove 2-3 extends forwards to the front part of the puncture cannula 2-2 along the axial direction of the puncture cannula and passes through a wire tying groove. Two wire binding grooves 2-4 are arranged on the periphery of the front end part of the puncture cannula 2-2.
The lower part of the puncture cannula seat 2-1 is provided with a one-way valve 9, and the air outlet of the one-way valve is communicated with the ventilation groove 2-3 outside the puncture cannula. The sealing patch 10 is hermetically pressed on the outer side of the air channel 2-3 of the puncture cannula 2-2, and the inner side of the sealing patch 10 is provided with an air transmission groove 10-4, so that the air channel 2-3 forms an air transmission channel. One end of the sealing patch 10 is provided with a fixed block 10-1 which is inserted and fixed at the bottom of the one-way valve 9, and the other end of the sealing patch 10 is provided with a binding groove 10-2 and an air outlet 10-3 which correspond to the front end of the puncture tube, so that the air bag can be conveniently fixed by binding and air can be supplied to the air bag 11 through the air outlet 10-3.
The sealing patch 10 is adhered or sealed and pressed on the outer side of the vent groove 2-3 of the puncture sleeve 2-2 by ultrasonic welding, so that the vent groove 2-3 forms an air transmission channel.
The air bag 11 is arranged at the front end part of the puncture sleeve 2-2 and fixed on the periphery of the wire binding groove 2-4 through bundling, and the air outlet 10-3 arranged on the sealing patch 10 is used for conveying compressed air to the air bag 11 and inflating the air bag 11.
The middle part of the puncture cannula 2-2 is sleeved with the positioning ring 8, when the puncture cannula 2-2 is inserted into a cavity of a patient in an operation, the one-way valve 9 inflates the air bag 11 through the air outlet hole on the sealing patch 10 through the air groove 2-3, the position of the positioning ring 8 is adjusted after the air bag 11 is full of air, and the puncture device is clamped on the cavity tissue of the patient through the positioning ring 8 and the air bag 11 sleeved on the puncture cannula 2-2 and cannot shake, so that a surgical instrument can conveniently perform a surgical operation. After the operation is finished, the air injection valve 6 is closed, the air injection switch 7 is opened, the air in the cavity is discharged, the valve core of the one-way valve 9 is pressed, the air in the air bag 11 is discharged, and the puncture cannula 2-2 is taken out from the wall of the patient cavity.
The one-way valve 9 is a one-way gas injection valve. The check valve 9 is provided with a valve body 9-1, a valve seat 9-2, a valve core 9-3, a sealing ring 9-4 and a spring 9-5, wherein the sealing ring 9-4 is arranged on the valve core 9-3, and the spring 9-4 presses the valve core 9-3 and the sealing ring 9-4 on the valve seat 9-2 of the valve body to realize one-way sealing. The air inlet of the valve body is connected with an air injection pipe and is connected with a compressed air source.
The air bag 11 is made of elastic soft film materials.
The locating ring 8 is made of elastic soft materials.
Principle of operation
When the disposable puncture outfit is used, a puncture cone 13 is matched, the disposable puncture outfit is used as a surgical instrument matched with a laparoscope, firstly, pneumoperitoneum is established, then, a small incision is cut at a proper position of the abdomen, the disposable puncture outfit is fixed on the abdomen with the pneumoperitoneum lifted by hand at a proper angle, a puncture sleeve 2-2 of the disposable puncture outfit and the puncture cone are inserted into the small incision, a puncture cone handle cap of the puncture cone is pressed by hand to wrap an upper cover part and is pressed downwards, the puncture cone penetrates through soft tissue lower layer with a puncture knife at the front end and carries a bevel face with taper at the lower part of the puncture sleeve to enter into the soft tissue together, the puncture knife cone penetrates through the abdominal soft tissue of a patient until the abdominal cavity, and the puncture sleeve is inserted into the abdominal cavity along with the puncture cone until the middle part of the puncture sleeve 2-2.
The puncture cone 13 is pulled out from the puncture cannula 2-2, the valve switch 7 at the upper part of the gas injection valve 6 is opened, gas is injected into the abdominal cavity of the patient from the puncture cannula 2-2 through the gas inlet of the gas injection valve, the valve core and the valve body, so that the abdominal cavity of the patient is swollen, the valve switch 7 is closed, the abdominal cavity surgical instrument can enter the puncture cannula 2-2 from the locking cap 1, the sealing ring 12, the cannula elastic sealing cap 3-1 and the gas-barrier sealing cap 5 of the disposable puncture device and is inserted into the abdominal cavity through the puncture cannula 2-2, and the sealing ring 12, the cannula elastic sealing cap 3-1, the gas-barrier sealing cap 5 and the like are arranged for multiple sealing, so that the performance of the sealed abdominal cavity surgical instrument is good, and the gas in the injected abdominal cavity can not leak. The puncture cannula 2-2 fixing structure of the positioning ring 8 and the air bag 11 which clamp the puncture outfit from the inside and the outside of the human body respectively is adopted, the puncture outfit is firmly fixed after penetrating into the human body and can not shake, the puncture outfit is not easy to fall off in the operation process, and the clamping position can be conveniently adjusted through the positioning ring 8 made of elastic soft materials. After the operation is finished, the surgical instrument is pulled out of the disposable puncture outfit, the valve switch 7 is opened, the gas injected into the abdominal cavity of the patient is discharged out of the body from the exhaust port of the gas injection valve, after the injected gas is discharged, the valve core 9-3 of the one-way valve 9 is pressed, the gas filled in the air bag 11 is discharged, and the puncture cannula 2-2 is taken out of the cavity wall of the patient, so that the disposable puncture outfit can be pulled out of the abdominal cavity of the patient.
Claims (10)
1. The disposable puncture outfit is characterized by comprising a locking cap, a puncture sleeve assembly, a locking sealing cap assembly, a locking switch, an air blocking sealing cap, an air injection valve, an air injection switch, a positioning ring, a one-way valve, a sealing patch and an air bag;
the puncture cannula assembly consists of a puncture cannula seat and a puncture cannula, wherein the lower part in the puncture cannula seat is provided with an air blocking sealing cap mounting groove, the upper part of the puncture cannula seat is provided with a locking sealing cap assembly mounting groove, an air blocking sealing cap is mounted in the air blocking sealing cap mounting groove of the puncture cannula, and the locking sealing cap assembly is mounted in the locking sealing cap assembly mounting groove at the upper part of the puncture cannula seat and is pressed, sealed and fixed through a locking cap and a sealing ring;
the locking sealing cap assembly is provided with a sleeve elastic sealing cap, a sleeve sealing cap mounting seat, a locking fixing cover and a lower pressing cover, the sleeve elastic sealing cap is mounted on the sleeve sealing cap mounting seat and is locked and fixed through the locking fixing cover, and the lower part of the sleeve sealing cap mounting seat is provided with a lower pressing cover;
an air injection valve is arranged on one side of the puncture cannula seat, an air injection switch is arranged on the air injection valve, an air inlet hole and an air outlet are arranged on the air injection valve, and the air injection valve is connected with an air source through a pipeline;
the outer side of the puncture sleeve is provided with a vent groove, and the vent groove extends forwards to the front part of the puncture sleeve along the axial direction of the puncture sleeve and passes through a wire tying groove;
the sealing patch is sealed and pressed on the outer side of the ventilation groove of the puncture cannula, and the inner side of the sealing patch is provided with a gas transmission groove, so that the ventilation groove forms a gas transmission channel;
the air bag is arranged at the front end part of the puncture sleeve and fixed on the periphery of the binding line groove by bundling, and an air outlet hole arranged on the sealing patch conveys compressed air for the air bag to inflate the air bag;
the puncture device is characterized in that the middle part of the puncture sleeve is sleeved with the positioning ring, the one-way valve inflates the air bag through the air outlet hole on the ventilation sealing sticker through the air groove, after the air bag is full of air, the position of the positioning ring is adjusted, and the puncture device is tightly clamped on the cavity tissue of a patient through the positioning ring and the air bag sleeved on the puncture sleeve, so that the surgical operation of a surgical instrument is facilitated.
2. The single-use puncture instrument according to claim 1,
the locking cap and the sealing ring are fixed together by ultrasonic welding, two lock hooks are arranged on the lower portion of the sealing ring on the upper portion of the puncture cannula base, two lock hook insertion holes are formed in the upper portion of the puncture cannula base and used for inserting and fixing the lock hooks, a locking switch insertion hole is formed in the upper portion of the puncture cannula base, and the locking switch is inserted into the locking switch insertion hole to lock and fix the locking cap and the sealing ring together with the locking sealing cap component on the puncture cannula base.
3. The disposable puncture outfit of claim 1, wherein the elastic sealing cap of the cannula has a plurality of conical silicon sheets and a silicon pad, the conical silicon sheets are sleeved on the silicon pad and pressed into the elastic sealing cap of the cannula by combination, the elastic sealing cap of the cannula has elastic folds and is conical, and the bottom of the elastic sealing cap of the cannula is provided with a mounting hole;
the sleeve sealing cap mounting base is provided with a mounting column and a mounting hole and is used for mounting the sleeve elastic sealing cap.
4. The single-use puncture instrument according to claim 1, wherein the locking fixing cover is provided with a mounting locking post, a mounting locking hole for mounting a locking sleeve elastic sealing cap.
5. The single-use puncture instrument according to claim 1, wherein the lower pressing cap is provided with a mounting pressing column and a support ring for supporting the shaping sleeve elastic sealing cap.
6. The single-use puncture instrument according to claim 1, wherein the air-tight sealing cap is a cone-shaped sealing cap made of an elastic soft material.
7. The disposable puncture outfit of claim 1, wherein the one-way valve is a one-way gas injection valve, the one-way valve comprises a valve body, a valve seat, a valve core, a sealing ring and a spring, the sealing ring is arranged on the valve core, and the spring pushes the sealing ring of the valve core against the valve seat of the valve body to realize one-way sealing.
8. The single-use puncture instrument according to claim 1,
two wire binding grooves are arranged on the periphery of the front end part of the puncture sleeve and are used for binding the air bag.
9. The disposable puncture outfit of claim 1, wherein one end of the sealing patch is provided with a fixing block which is inserted and fixed at the bottom of the one-way valve, and the other end of the sealing patch is provided with a wire tying groove and an air outlet hole which correspond to the front end of the puncture cannula, so that the air bag can be conveniently tied and fixed, and air can be supplied to the air bag through the air outlet hole.
10. The single use puncture instrument according to claim 1, wherein the sealing patch is adhered or ultrasonically welded to seal the puncture cannula with the vent groove outside, so that the vent groove forms an air delivery channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121004599.8U CN214857281U (en) | 2021-05-12 | 2021-05-12 | Disposable puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121004599.8U CN214857281U (en) | 2021-05-12 | 2021-05-12 | Disposable puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214857281U true CN214857281U (en) | 2021-11-26 |
Family
ID=78946554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121004599.8U Active CN214857281U (en) | 2021-05-12 | 2021-05-12 | Disposable puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214857281U (en) |
-
2021
- 2021-05-12 CN CN202121004599.8U patent/CN214857281U/en active Active
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