阅读说明：本技术 一种用于心胸外科手术的穿刺器 (Puncture outfit for cardiothoracic surgery ) 是由 杜杰 章岳峰 周伟鹤 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种用于心胸外科手术的穿刺器,属于医疗器械技术领域,其技术方案要点是：包括穿刺锥和穿刺套管,穿刺套管套接于穿刺锥的外壁,且穿刺套管包括穿刺外置部、穿刺内置部和穿刺弹性部,穿刺弹性部的内壁对称设有限位块一和限位块二,穿刺锥包括柱部和锥部,柱部的两侧对称开有可供限位块一和限位块二通过的2个条形槽,穿刺锥顶端设有连接杆,连接杆顶端设有卡接板一和卡接板二,卡接板一与穿刺外置部的外部顶端相触接,卡接板二与穿刺外置部的内部顶端相触接,卡接板一顶端连接有支撑杆,且支撑杆顶端连接有操作块。本发明主要用于对穿刺锥进行限位,便于穿刺的顺利进行,同时,能够有效避免脏器在穿刺过程受到损伤。(The invention discloses a puncture outfit for cardiothoracic surgery, which belongs to the technical field of medical appliances and has the technical scheme that: including puncture awl and puncture sleeve pipe, the puncture sleeve pipe cup joints in the outer wall of puncture awl, and the puncture sleeve pipe includes the puncture external portion, puncture internal portion and puncture elasticity portion, the inner wall symmetry of puncture elasticity portion is equipped with stopper one and stopper two, the puncture awl includes post portion and pyramis, the bilateral symmetry of post portion is opened has 2 bar grooves that can supply stopper one and stopper two to pass through, the puncture awl top is equipped with the connecting rod, the connecting rod top is equipped with joint board one and joint board two, joint board one touches mutually with the outside top of puncture external portion, joint board two touches mutually with the inside top of puncture external portion, joint board one top is connected with the bracing piece, and the bracing piece top is connected with the operation piece. The invention is mainly used for limiting the puncture cone, is convenient for puncture to be smoothly carried out, and can effectively prevent the viscera from being damaged in the puncture process.)

1. A puncture outfit for cardiothoracic surgery, which comprises a puncture cone (1) and a puncture cannula (2), and is characterized in that: the puncture sleeve (2) is sleeved on the outer wall of the puncture cone (1) and comprises a puncture external part (3), a puncture internal part (4) arranged at the bottom end of the puncture external part and a puncture elastic part (5) arranged at the bottom end of the puncture internal part; a first limiting block (6) and a second limiting block (7) are symmetrically arranged on the inner wall of the puncture elastic part (5); the puncture cone (1) comprises a column part (8) and a cone part (9), wherein 2 strip-shaped grooves (10) for allowing a first limiting block and a second limiting block to pass through are symmetrically formed in two sides of the column part (8);

the top end of the puncture cone (1) is provided with a connecting rod (11), the top end of the connecting rod (11) is provided with a clamping plate I (12) and a clamping plate II (13), the clamping plate I (12) is in contact connection with the outer top end of the puncture outer part (3), and the clamping plate II (13) is in contact connection with the inner top end of the puncture outer part (3); the top end of the clamping plate I (12) is connected with a supporting rod (14), and the top end of the supporting rod (14) is connected with an operation block (15).

2. A puncture instrument for cardiothoracic surgery as set forth in claim 1, wherein: 2 longitudinal partition plates (16) are symmetrically arranged inside the puncture external part (3), fixing assisting parts (17) are respectively arranged between the inner wall of the puncture external part (3) and the side walls of the 2 longitudinal partition plates (16), and the 2 fixing assisting parts (17) are symmetrically arranged; the bottom end of the puncture external part (3) is provided with a sucker (18), and the bottom end of the fixing assisting part (17) penetrates through the wall surface of the puncture external part (3) and is connected with the top surface of the sucker (18).

3. A puncture instrument for cardiothoracic surgery as set forth in claim 2, wherein: the fixing assisting part (17) comprises a first force application block (19) and a second force application block (20) which are arranged at the same horizontal height, the first force application block (19) is fixedly connected to the inner wall of the puncture external part (3), and the second force application block (20) is fixedly connected to the wall surface of the longitudinal partition plate (16); the plane of the second force application block (20) facing the first force application block (19) is fixedly connected with an elastic piece (21), the elastic piece (21) is prismatic, and the central line of the plane of the elastic piece (21) is parallel to the longitudinal partition plate (16); the bottom end of the elastic piece (21) is contacted with a force transmission block (22); an elastic surface (23) is arranged between the longitudinal clapboard (16) and the inner wall of the puncture external part (3), and the elastic surface (23) is contacted with the bottom end of the force transmission block (22); the bottom end of the elastic surface (23) is fixedly connected with a force transmission strip (24).

4. A puncture instrument for cardiothoracic surgery as set forth in claim 1, wherein: the top end of the puncture external part (3) is provided with an elastic ring (25), and the elastic ring (25) is positioned between the first clamping plate (12) and the second clamping plate (13).

5. A puncture instrument for cardiothoracic surgery as set forth in claim 1, wherein: the outer wall of the puncture internal part (4) is provided with a thread (26).

6. A puncture instrument for cardiothoracic surgery as set forth in claim 1, wherein: the bottom of the operating block (15) is symmetrically provided with a stop block (27).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a puncture outfit for cardiothoracic surgery.

Background

The cardiothoracic surgery comprises diseases of the cardiosurgery and the general thoracic surgery, the cardiosurgery mainly treats diseases such as cardiac great vessel trauma, pericardial disease, congenital heart disease, acquired heart valve disease, ischemic heart disease and the like, and the puncture outfit for the cardiothoracic surgery is diagnosis and treatment equipment for puncturing a puncture needle into a body cavity to extract water in the body cavity or injecting medicine into the body cavity.

When puncturing a patient, the puncture awl and the skin incision of the puncture sleeve patient need to be punctured, after puncturing is completed, a doctor needs to press and press the puncture sleeve by one hand, the puncture awl is pulled out by the other hand, in the puncturing or pulling-out process, the elasticity of the skin of the patient is different, when the puncture awl is punctured or withdrawn, two wings of the puncture awl are easily blocked by tissues such as skin, muscle or fascia, and the like, so that the puncture awl is pushed by the increased force, the instantaneous potential energy of the puncture awl entering the human body is larger, the tip of the puncture awl can be used for pointing to visceral organs, unnecessary injuries can be easily caused to the human body, complications can be further caused, and safety hazards exist.

In order to solve the above problems, the present invention proposes a puncture instrument for cardiothoracic surgery based on the prior art.

Disclosure of Invention

The invention aims to provide a puncture outfit for cardiothoracic surgery, which is provided with a puncture elastic part, so that when the puncture outfit is blocked by skin, muscle or fascia and other tissues, a puncture cone can be limited, and the puncture can be performed smoothly; when puncture potential energy is great, and when losing the stagnation power in the twinkling of an eye, elasticity puncture portion can kick-back, and simultaneously, puncture awl also can rebound puncture sleeve pipe, can avoid puncture awl pointed end and internal organs to contact to effectively avoid the internal organs to receive the damage in the puncture process.

The technical purpose of the invention is realized by the following technical scheme:

a puncture outfit for cardiothoracic surgery comprises a puncture cone and a puncture sleeve, wherein the puncture sleeve is sleeved on the outer wall of the puncture cone and comprises a puncture external part, a puncture internal part arranged at the bottom end of the puncture external part and a puncture elastic part arranged at the bottom end of the puncture internal part; the inner wall of the puncture elastic part is symmetrically provided with a first limiting block and a second limiting block; the puncture awl includes post portion and pyramis portion, the bilateral symmetry of post portion is opened has 2 bar grooves that can supply stopper one and stopper two to pass through.

The top end of the puncture cone is provided with a connecting rod, the top end of the connecting rod is provided with a first clamping plate and a second clamping plate, the first clamping plate is in contact with the outer top end of the puncture external part, and the second clamping plate is in contact with the inner top end of the puncture external part; a supporting rod is connected to one top end of the clamping and connecting plate, and an operation block is connected to the top end of the supporting rod.

By adopting the technical scheme, the puncture cone and the puncture cannula are utilized to be beneficial to establishing an access channel at the corresponding part of a human body so as to facilitate the entry of other surgical instruments such as guide wires, catheters and the like, and corresponding examination or surgical operation can be carried out; the puncture cannula is sleeved on the outer wall of the puncture cone, the puncture cannula enters the human body along the incision along with the puncture cone, after the access channel is established, the puncture external part of the puncture cannula is positioned outside the access channel, and the puncture internal part and the puncture elastic part are positioned in the access channel; utilize stopper one and stopper two, help receiving pressure at puncture elastic component, spacing to the puncture awl to, lose pressure suddenly when puncture elastic component, stopper one and stopper two can reply the normal position simultaneously, and at this moment, the puncture awl can be retracted to the puncture cover intraductally, can avoid puncture awl and internal organs to contact, effectively prevent that the internal organs from receiving the damage at the puncture in-process.

After the access channel is established, when the puncture elastic part is still stressed, the strip-shaped grooves on the two sides of the puncture cone column part are rotated to the positions opposite to the first limiting block and the second limiting block, so that the puncture cone can be manually taken out of the puncture sleeve, and the subsequent operation is convenient; the connecting rod is used for facilitating the connection of the puncture cone and the second clamping plate, and the puncture cone can be conveniently operated through the operation block; the first clamping plate and the second clamping plate are used for facilitating clamping of the first clamping plate and the second clamping plate on the top end of the puncture external part, so that the puncture cone can be fixed conveniently; the use of the support rod and the handling block facilitates manipulation of the puncture cone by the connecting rod, facilitating the establishment of an access channel or the separation of the puncture cone from the puncture cannula.

By adopting the scheme, the puncture cone can be limited, so that the puncture can be smoothly performed; when puncture potential energy is great, and when losing the stagnation power in the twinkling of an eye, elasticity puncture portion can kick-back, and simultaneously, puncture awl also can rebound puncture sleeve pipe, can avoid puncture awl pointed end and internal organs to contact to effectively avoid the internal organs to receive the damage in the puncture process.

The invention is further configured to: 2 longitudinal partition plates are symmetrically arranged inside the puncture external part, fixing assisting parts are respectively arranged between the inner wall of the puncture external part and the side walls of the 2 longitudinal partition plates, and the 2 fixing assisting parts are symmetrically arranged; the bottom end of the external puncture part is provided with a sucker, and the bottom end of the fixing assisting part penetrates through the wall surface of the external puncture part and is connected with the top surface of the sucker.

By adopting the technical scheme, the outer puncturing part is favorably fixed on the outer side of the incision by utilizing the sucking disc; the fixing assisting part is arranged by utilizing the longitudinal clapboard and the inner wall of the puncture external part; utilize fixed assistance portion, help fixing the sucking disc through the application of force to the sucking disc, be convenient for fix the puncture external portion.

The invention is further configured to: the fixing assisting part comprises a first force application block and a second force application block which are arranged at the same horizontal height, the first force application block is fixedly connected to the inner wall of the puncture external part, and the second force application block is fixedly connected to the wall surface of the longitudinal partition plate; an elastic piece is fixedly connected to the plane of the two sides of the force application block facing to the force application block I, the elastic piece is prismatic, and the center line of the plane of the elastic piece is parallel to the longitudinal partition plate; the bottom end of the elastic part is in contact with a force transmission block; an elastic surface is arranged between the longitudinal partition plate and the inner wall of the puncture external part, and the elastic surface is in contact with the bottom end of the force transmission block; the bottom end of the elastic surface is fixedly connected with a force transmission strip.

By adopting the technical scheme, the force applied by the hand can be transferred to the elastic piece by utilizing the first force application block and the second force application block; the elastic part is prismatic, and the prismatic shape can deform along the longitudinal direction and the transverse direction, so that the distance between the two transverse edges is narrowed after the elastic part is stressed, meanwhile, the distance between the two longitudinal edges is lengthened, and force is transferred to the force transfer block through the longitudinal edges; the force transfer block and the elastic surface are utilized to help to transfer force to the force transfer strip, so that force can be applied to the sucker through the force transfer strip conveniently, air between the sucker and the skin surface can be eliminated, and the sucker can be fixed on the outer side of the cut.

The invention is further configured to: an elastic ring is arranged at the top end of the puncture external part and is positioned between the first clamping plate and the second clamping plate.

By adopting the technical scheme, the first clamping plate and the second clamping plate can be fixed conveniently by utilizing the elastic ring; after the access channel is established, the puncture cone is removed from the puncture cannula, and the catheter or other medical devices are placed in the puncture cannula, so that the elastic ring can play a certain fixing role.

The invention is further configured to: the outer wall of the puncture internal part is provided with threads.

By adopting the technical scheme, the threads arranged on the outer wall of the puncture built-in part are utilized, so that the resistance borne in the puncture process is reduced, and the establishment of an access channel is facilitated.

The invention is further configured to: and the bottoms of the operation blocks are symmetrically provided with stop blocks.

By adopting the technical scheme, the stop block is utilized, the holding is convenient, and the function of assisting the application force can be exerted during the operation.

In conclusion, the invention has the following beneficial effects: the device is provided with a puncture elastic part, when the puncture elastic part is blocked by tissues such as skin, muscle or fascia, the puncture cone can be limited, and the puncture can be performed smoothly; when puncture potential energy is great, and when losing the stagnation power in the twinkling of an eye, elasticity puncture portion can kick-back, and simultaneously, puncture awl also can rebound puncture sleeve pipe, can avoid puncture awl pointed end and internal organs to contact to effectively avoid the internal organs to receive the damage in the puncture process.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic structural view of a piercing cone of an embodiment of the present invention;

FIG. 4 is a schematic view of the structure within the puncturing cannula in accordance with an embodiment of the invention;

fig. 5 is a schematic structural view of the fixing assistance portion according to the embodiment of the present invention.

In the figure: 1. puncturing a awl; 2. puncturing a cannula; 3. puncturing the external part; 4. a puncture internal part; 5. a puncture elastic part; 6. a first limiting block; 7. a second limiting block; 8. a pillar portion; 9. a pyramid part; 10. a strip-shaped groove; 11. a connecting rod; 12. a first clamping and connecting plate; 13. a clamping and connecting plate II; 14. a support bar; 15. an operation block; 16. a longitudinal partition; 17. a fixing assisting section; 18. a suction cup; 19. a first force application block; 20. a second force application block; 21. an elastic member; 22. a force transfer block; 23. an elastic surface; 24. a force transfer strip; 25. an elastic ring; 26. a thread; 27. and a stop block.

Detailed Description

The invention is described in further detail below with reference to the following figures and embodiments:

example (b): a puncture outfit for cardiothoracic surgery, as shown in fig. 1 to 5, comprises a puncture cone 1 and a puncture cannula 2, wherein the puncture cannula 2 is sleeved on the outer wall of the puncture cone 1, and the puncture cone 1 and the puncture cannula 2 are utilized to help to establish an access channel at the corresponding position of the human body for the access of other surgical instruments such as guide wires, catheters and the like, and corresponding examination or operation operations can be carried out. The puncture cannula 2 comprises a puncture external part 3, a puncture internal part 4 arranged at the bottom end of the puncture external part 3 and a puncture elastic part 5 arranged at the bottom end of the puncture internal part 4; the puncture sleeve 2 is sleeved on the outer wall of the puncture cone 1, the puncture sleeve 2 enters the human body along with the puncture cone 1 along the incision, after an access channel is established, the puncture external part 3 of the puncture sleeve 2 is positioned outside the access channel, and the puncture internal part 4 and the puncture elastic part 5 are positioned in the access channel.

The inner wall of the puncture elastic part 5 is symmetrically and fixedly connected with a first limiting block 6 and a second limiting block 7; utilize stopper one 6 and stopper two 7, help receiving pressure at puncture elastic component 5, spacing to puncture awl 1 to, lose pressure suddenly when puncture elastic component 5, stopper one 6 and stopper two 7 can answer the normal position simultaneously, and at this moment, puncture awl 1 can retract to puncture sleeve pipe 2 in, can prevent effectively that the internal organs from being injured when puncture awl 1 establishes the admission passage. Puncture awl 1 includes column portion 8 and pyramis 9, and the bilateral symmetry of column portion 8 is opened and is had 2 bar grooves 10 that can supply stopper one 6 and stopper two 7 to pass through, and after establishing the access passage and accomplish, puncture elasticity portion 5 still receives pressure, through rotating the bar groove 10 with 1 column portion 8 both sides of puncture awl to the position relative with stopper one 6 and stopper two 7, can separate puncture awl 1 from puncture sleeve pipe 2, the subsequent operation of being convenient for.

The top end of the puncture cone 1 is integrally connected with a connecting rod 11, the connecting rod 11 is a thermoplastic elastomer, the top end of the connecting rod 11 is fixedly connected with a clamping plate I12 and a clamping plate II 13, the clamping plate I12 is in contact connection with the outer top end of the puncture external part 3, and the clamping plate II 13 is in contact connection with the inner top end of the puncture external part 3; the top end of the first clamping plate 12 is connected with a supporting rod 14, and the top end of the supporting rod 14 is connected with an operating block 15; the first clamping plate 12 and the second clamping plate 13 are used for clamping the first clamping plate 12 and the second clamping plate 13 at the top end of the puncture external part 3, so that the puncture cone 1 can be fixed conveniently; the use of the support bar 14 and the support block facilitates manipulation of the multiple puncture cones 1 by the connecting bar 11, facilitating the establishment of an access channel or the separation of the puncture cones 1 from the puncture cannula 2.

2 longitudinal partition plates 16 are symmetrically connected inside the puncture external part 3, fixing assisting parts 17 are respectively arranged between the inner wall of the puncture external part 3 and the side walls of the 2 longitudinal partition plates 16, and the 2 fixing assisting parts 17 are symmetrically arranged; the bottom end of the puncture exterior 3 is connected with a suction cup 18, and the bottom end of the fixation assisting section 17 penetrates the wall surface of the puncture exterior 3 and is connected with the top surface of the suction cup 18. The suction cup 18 helps to fix the puncture exterior 3 to the outside of the incision; the fixing assistance portion 17 is facilitated to be provided by the longitudinal partition 16 and the inner wall of the puncture exterior portion 3; the fixing assisting section 17 helps to fix the suction cup 18 by applying a force to the suction cup 18, and facilitates fixing of the puncture exterior section 3.

The fixing assisting part 17 comprises a first force application block 19 and a second force application block 20 which are arranged at the same horizontal height, the first force application block 19 is fixedly connected to the inner wall of the puncture external part 3, and the second force application block 20 is fixedly connected to the wall surface of the longitudinal partition plate 16; the plane of the second force application block 20 facing the first force application block 19 is fixedly connected with an elastic piece 21, the elastic piece 21 is prismatic, and the central line of the plane of the elastic piece 21 is parallel to the longitudinal partition plate 16; the bottom end of the elastic part 21 is contacted with a force transmission block 22; an elastic surface 23 is arranged between the longitudinal clapboard 16 and the inner wall of the puncture external part 3, and the elastic surface 23 is contacted with the bottom end of the force transmission block 22; the bottom end of the elastic surface 23 is fixedly connected with a force transmission strip 24.

The first force application block 19 and the second force application block 20 are used for helping to transmit the force applied by the hand to the elastic piece 21; the elastic part 21 is prismatic, and the prismatic shape can deform along the longitudinal direction and the transverse direction, so that the distance between the two transverse edges is narrowed after the elastic part 21 is stressed, meanwhile, the distance between the two longitudinal edges is lengthened, and the force is transmitted to the force transmission block 22 through the longitudinal edges; the force transfer block 22 and the elastic surface 23 help to transfer force to the force transfer strip 24, so that the suction cup 18 can be conveniently applied with force through the force transfer strip 24, air between the suction cup 18 and the skin surface can be removed, and the suction cup 18 can be fixed on the outer side of the incision.

An elastic ring 25 is arranged at the top end of the puncture external part 3, and the elastic ring 25 is positioned between the clamping plate I12 and the clamping plate II 13; the elastic ring 25 is used for facilitating the fixation of the first clamping plate 12 and the second clamping plate 13; when the access passage is established, the puncture cone 1 is removed from the puncture cannula 2, and a catheter or other medical devices are placed in the puncture cannula 2, the elastic ring 25 can play a certain fixing role. The outer wall of the puncture interior 4 is provided with threads 26 which help to reduce the resistance experienced during the puncture process and facilitate the establishment of an access channel. The bottom of the operation block 15 is symmetrically provided with the stop blocks 27, which are convenient to hold and can play a role of assisting force application during operation.

The working principle is as follows: the puncture awl 1 and the puncture sleeve 2 are utilized to perform puncture operation on the corresponding part of a patient, the puncture awl 1 fixes the position of the puncture awl 1 through a first limiting block 6 and a second limiting block 7, and the position of an operation end is fixed through an elastic ring 25, a first clamping plate 12 and a second clamping plate 13; when the puncture process is retarded by tissues such as skin, muscle or fascia, the first limiting block 6 and the second limiting block 7 can limit the puncture cone 1, so that the puncture can be smoothly performed; when the puncture potential energy is great, and lose in the twinkling of an eye when hindering the power, elasticity puncture portion can kick-back, and simultaneously, puncture awl 1 also can rebound puncture sleeve pipe 2, can avoid puncture awl 1 pointed end to contact with the internal organs, and effectively avoid the internal organs to receive the damage in the puncture process, in addition, can also make puncture awl 1 redirecting through rotatory operation piece 15, make two bar grooves 10 of locating on puncture awl 1 just to stopper one 6 and stopper two 7, thereby can withdraw puncture awl 1 from puncture sleeve pipe 2.

In the above embodiment of the present invention, the device is provided with the puncture elastic part 5, when the device is blocked by the skin, muscle or fascia and other tissues, the puncture cone 1 can be limited, so that the puncture can be smoothly performed; when puncture potential energy is great, and when losing the stagnation power in the twinkling of an eye, elasticity puncture portion can kick-back, and simultaneously, puncture awl 1 also can rebound puncture sleeve pipe 2, can avoid puncture awl 1 pointed end and internal organs to contact to effectively avoid the internal organs to receive the damage in the puncture process.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.